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xcache.c @ 992

Revision 992, 120.1 KB (checked in by moo, 10 months ago)
refactor mshutdown minit
Property svn:eol-style set to `native`

Line
1
2	#if 0
3	#define XCACHE_DEBUG
4	#endif
5
6	#if 0
7	#define SHOW_DPRINT
8	#endif
9
10	/* {{{ macros */
11	#include <stdlib.h>
12	#include <stdio.h>
13	#include <string.h>
14
15	#include <signal.h>
16
17	#include "php.h"
18	#include "ext/standard/info.h"
19	#include "ext/standard/md5.h"
20	#include "ext/standard/php_math.h"
21	#include "ext/standard/php_string.h"
22	#include "zend_extensions.h"
23	#include "SAPI.h"
24
25	#include "xcache.h"
26	#ifdef ZEND_ENGINE_2_1
27	#include "ext/date/php_date.h"
28	#endif
29	#include "submodules/xc_optimizer.h"
30	#include "submodules/xc_coverager.h"
31	#include "submodules/xc_disassembler.h"
32	#include "xcache_globals.h"
33	#include "xc_processor.h"
34	#include "xcache/xc_const_string.h"
35	#include "xcache/xc_opcode_spec.h"
36	#include "xcache/xc_utils.h"
37	#include "xcache/xc_sandbox.h"
38	#include "util/xc_align.h"
39	#include "util/xc_stack.h"
40	#include "util/xc_vector.h"
41	#include "util/xc_trace.h"
42
43	#define VAR_ENTRY_EXPIRED(pentry) ((pentry)->ttl && XG(request_time) > (pentry)->ctime + (time_t) (pentry)->ttl)
44	#define CHECK(x, e) do { if ((x) == NULL) { zend_error(E_ERROR, "XCache: " e); goto err; } } while (0)
45	#define LOCK(x) xc_lock((x)->lck)
46	#define UNLOCK(x) xc_unlock((x)->lck)
47
48	#define ENTER_LOCK_EX(x) \
49	xc_lock((x)->lck); \
50	zend_try { \
51	do
52	#define LEAVE_LOCK_EX(x) \
53	while (0); \
54	} zend_catch { \
55	catched = 1; \
56	} zend_end_try(); \
57	xc_unlock((x)->lck)
58
59	#define ENTER_LOCK(x) do { \
60	int catched = 0; \
61	ENTER_LOCK_EX(x)
62	#define LEAVE_LOCK(x) \
63	LEAVE_LOCK_EX(x); \
64	if (catched) { \
65	zend_bailout(); \
66	} \
67	} while(0)
68
69	/* }}} */
70
71	/* {{{ globals */
72	static char *xc_shm_scheme = NULL;
73	static char *xc_mmap_path = NULL;
74	static char *xc_coredump_dir = NULL;
75	static zend_bool xc_disable_on_crash = 0;
76
77	static xc_hash_t xc_php_hcache = { 0, 0, 0 };
78	static xc_hash_t xc_php_hentry = { 0, 0, 0 };
79	static xc_hash_t xc_var_hcache = { 0, 0, 0 };
80	static xc_hash_t xc_var_hentry = { 0, 0, 0 };
81
82	static zend_ulong xc_php_ttl = 0;
83	static zend_ulong xc_var_maxttl = 0;
84
85	enum { xc_deletes_gc_interval = 120 };
86	static zend_ulong xc_php_gc_interval = 0;
87	static zend_ulong xc_var_gc_interval = 0;
88
89	/* total size */
90	static zend_ulong xc_php_size = 0;
91	static zend_ulong xc_var_size = 0;
92
93	static xc_shm_t *xc_shm = NULL;
94	static xc_cache_t **xc_php_caches = NULL;
95	static xc_cache_t **xc_var_caches = NULL;
96
97	static zend_bool xc_initized = 0;
98	static time_t xc_init_time = 0;
99	static long unsigned xc_init_instance_id = 0;
100	#ifdef ZTS
101	static long unsigned xc_init_instance_subid = 0;
102	#endif
103	static zend_compile_file_t *origin_compile_file = NULL;
104	static zend_compile_file_t *old_compile_file = NULL;
105	static zend_llist_element *xc_llist_zend_extension = NULL;
106
107	static zend_bool xc_test = 0;
108	static zend_bool xc_readonly_protection = 0;
109
110	zend_bool xc_have_op_array_ctor = 0;
111
112	static zend_bool xc_module_gotup = 0;
113	static zend_bool xc_zend_extension_gotup = 0;
114	static zend_bool xc_zend_extension_faked = 0;
115	#if !COMPILE_DL_XCACHE
116	# define zend_extension_entry xcache_zend_extension_entry
117	#endif
118	ZEND_DLEXPORT zend_extension zend_extension_entry;
119	ZEND_DECLARE_MODULE_GLOBALS(xcache)
120
121	typedef enum { XC_TYPE_PHP, XC_TYPE_VAR } xc_entry_type_t;
122	/* }}} */
123
124	/* any function in _unlocked is only safe be called within locked (single thread access) area /
125
126	static void xc_php_add_unlocked(xc_cache_t cache, xc_entry_data_php_t php) /* {{{ */
127	{
128	xc_entry_data_php_t **head = &(cache->phps[php->hvalue]);
129	php->next = *head;
130	*head = php;
131	cache->phps_count ++;
132	}
133	/* }}} */
134	static xc_entry_data_php_t xc_php_store_unlocked(xc_cache_t cache, xc_entry_data_php_t php TSRMLS_DC) / {{{ */
135	{
136	xc_entry_data_php_t *stored_php;
137
138	php->hits = 0;
139	php->refcount = 0;
140	stored_php = xc_processor_store_xc_entry_data_php_t(cache, php TSRMLS_CC);
141	if (stored_php) {
142	xc_php_add_unlocked(cache, stored_php);
143	return stored_php;
144	}
145	else {
146	cache->ooms ++;
147	return NULL;
148	}
149	}
150	/* }}} */
151	static xc_entry_data_php_t xc_php_find_unlocked(xc_cache_t cache, xc_entry_data_php_t php TSRMLS_DC) / {{{ */
152	{
153	xc_entry_data_php_t *p;
154	for (p = cache->phps[php->hvalue]; p; p = (xc_entry_data_php_t *) p->next) {
155	if (memcmp(&php->md5.digest, &p->md5.digest, sizeof(php->md5.digest)) == 0) {
156	p->hits ++;
157	return p;
158	}
159	}
160	return NULL;
161	}
162	/* }}} */
163	static void xc_php_free_unlocked(xc_cache_t cache, xc_entry_data_php_t php) /* {{{ */
164	{
165	cache->mem->handlers->free(cache->mem, (xc_entry_data_php_t *)php);
166	}
167	/* }}} */
168	static void xc_php_addref_unlocked(xc_entry_data_php_t php) / {{{ */
169	{
170	php->refcount ++;
171	}
172	/* }}} */
173	static void xc_php_release_unlocked(xc_cache_t cache, xc_entry_data_php_t php) /* {{{ */
174	{
175	if (-- php->refcount == 0) {
176	xc_entry_data_php_t **pp = &(cache->phps[php->hvalue]);
177	xc_entry_data_php_t *p;
178	for (p = *pp; p; pp = &(p->next), p = p->next) {
179	if (memcmp(&php->md5.digest, &p->md5.digest, sizeof(php->md5.digest)) == 0) {
180	/* unlink */
181	*pp = p->next;
182	xc_php_free_unlocked(cache, php);
183	return;
184	}
185	}
186	assert(0);
187	}
188	}
189	/* }}} */
190
191	static inline int xc_entry_equal_unlocked(xc_entry_type_t type, const xc_entry_t entry1, const xc_entry_t entry2 TSRMLS_DC) /* {{{ */
192	{
193	/* this function isn't required but can be in unlocked */
194	switch (type) {
195	case XC_TYPE_PHP:
196	{
197	const xc_entry_php_t php_entry1 = (const xc_entry_php_t ) entry1;
198	const xc_entry_php_t php_entry2 = (const xc_entry_php_t ) entry2;
199	if (php_entry1->file_inode && php_entry2->file_inode) {
200	zend_bool inodeIsSame = php_entry1->file_inode == php_entry2->file_inode
201	&& php_entry1->file_device == php_entry2->file_device;
202	if (XG(experimental)) {
203	/* new experimental behavior: quick check by inode, first */
204	if (!inodeIsSame) {
205	return 0;
206	}
207
208	/* and then opened_path compare */
209	}
210	else {
211	/* old behavior: inode check only */
212	return inodeIsSame;
213	}
214	}
215	}
216
217	assert(IS_ABSOLUTE_PATH(entry1->name.str.val, entry1->name.str.len));
218	assert(IS_ABSOLUTE_PATH(entry2->name.str.val, entry2->name.str.len));
219
220	return entry1->name.str.len == entry2->name.str.len
221	&& memcmp(entry1->name.str.val, entry2->name.str.val, entry1->name.str.len + 1) == 0;
222
223	case XC_TYPE_VAR:
224	#ifdef IS_UNICODE
225	if (entry1->name_type != entry2->name_type) {
226	return 0;
227	}
228
229	if (entry1->name_type == IS_UNICODE) {
230	return entry1->name.ustr.len == entry2->name.ustr.len
231	&& memcmp(entry1->name.ustr.val, entry2->name.ustr.val, (entry1->name.ustr.len + 1) * sizeof(UChar)) == 0;
232	}
233	#endif
234	return entry1->name.str.len == entry2->name.str.len
235	&& memcmp(entry1->name.str.val, entry2->name.str.val, entry1->name.str.len + 1) == 0;
236	break;
237
238	default:
239	assert(0);
240	}
241	return 0;
242	}
243	/* }}} */
244	static inline int xc_entry_has_prefix_unlocked(xc_entry_type_t type, xc_entry_t entry, zval prefix) /* {{{ */
245	{
246	/* this function isn't required but can be in unlocked */
247
248	#ifdef IS_UNICODE
249	if (entry->name_type != prefix->type) {
250	return 0;
251	}
252
253	if (entry->name_type == IS_UNICODE) {
254	if (entry->name.ustr.len < Z_USTRLEN_P(prefix)) {
255	return 0;
256	}
257	return memcmp(entry->name.ustr.val, Z_USTRVAL_P(prefix), Z_USTRLEN_P(prefix) * sizeof(UChar)) == 0;
258	}
259	#endif
260	if (prefix->type != IS_STRING) {
261	return 0;
262	}
263
264	if (entry->name.str.len < Z_STRLEN_P(prefix)) {
265	return 0;
266	}
267
268	return memcmp(entry->name.str.val, Z_STRVAL_P(prefix), Z_STRLEN_P(prefix)) == 0;
269	}
270	/* }}} */
271	static void xc_entry_add_unlocked(xc_cache_t cache, xc_hash_value_t entryslotid, xc_entry_t entry) /* {{{ */
272	{
273	xc_entry_t **head = &(cache->entries[entryslotid]);
274	entry->next = *head;
275	*head = entry;
276	cache->entries_count ++;
277	}
278	/* }}} */
279	static xc_entry_t xc_entry_store_unlocked(xc_entry_type_t type, xc_cache_t cache, xc_hash_value_t entryslotid, xc_entry_t entry TSRMLS_DC) / {{{ */
280	{
281	xc_entry_t *stored_entry;
282
283	entry->hits = 0;
284	entry->ctime = XG(request_time);
285	entry->atime = XG(request_time);
286	stored_entry = type == XC_TYPE_PHP
287	? (xc_entry_t ) xc_processor_store_xc_entry_php_t(cache, (xc_entry_php_t ) entry TSRMLS_CC)
288	: (xc_entry_t ) xc_processor_store_xc_entry_var_t(cache, (xc_entry_var_t ) entry TSRMLS_CC);
289	if (stored_entry) {
290	xc_entry_add_unlocked(cache, entryslotid, stored_entry);
291	++cache->updates;
292	return stored_entry;
293	}
294	else {
295	cache->ooms ++;
296	return NULL;
297	}
298	}
299	/* }}} */
300	static xc_entry_php_t xc_entry_php_store_unlocked(xc_cache_t cache, xc_hash_value_t entryslotid, xc_entry_php_t entry_php TSRMLS_DC) / {{{ */
301	{
302	return (xc_entry_php_t ) xc_entry_store_unlocked(XC_TYPE_PHP, cache, entryslotid, (xc_entry_t ) entry_php TSRMLS_CC);
303	}
304	/* }}} */
305	static xc_entry_var_t xc_entry_var_store_unlocked(xc_cache_t cache, xc_hash_value_t entryslotid, xc_entry_var_t entry_var TSRMLS_DC) / {{{ */
306	{
307	return (xc_entry_var_t ) xc_entry_store_unlocked(XC_TYPE_VAR, cache, entryslotid, (xc_entry_t ) entry_var TSRMLS_CC);
308	}
309	/* }}} */
310	static void xc_entry_free_real_unlocked(xc_entry_type_t type, xc_cache_t cache, volatile xc_entry_t entry) /* {{{ */
311	{
312	if (type == XC_TYPE_PHP) {
313	xc_php_release_unlocked(cache, ((xc_entry_php_t *) entry)->php);
314	}
315	cache->mem->handlers->free(cache->mem, (xc_entry_t *)entry);
316	}
317	/* }}} */
318	static void xc_entry_free_unlocked(xc_entry_type_t type, xc_cache_t cache, xc_entry_t entry TSRMLS_DC) /* {{{ */
319	{
320	cache->entries_count --;
321	if ((type == XC_TYPE_PHP ? ((xc_entry_php_t *) entry)->refcount : 0) == 0) {
322	xc_entry_free_real_unlocked(type, cache, entry);
323	}
324	else {
325	entry->next = cache->deletes;
326	cache->deletes = entry;
327	entry->dtime = XG(request_time);
328	cache->deletes_count ++;
329	}
330	return;
331	}
332	/* }}} */
333	static void xc_entry_remove_unlocked(xc_entry_type_t type, xc_cache_t cache, xc_hash_value_t entryslotid, xc_entry_t entry TSRMLS_DC) /* {{{ */
334	{
335	xc_entry_t **pp = &(cache->entries[entryslotid]);
336	xc_entry_t *p;
337	for (p = *pp; p; pp = &(p->next), p = p->next) {
338	if (xc_entry_equal_unlocked(type, entry, p TSRMLS_CC)) {
339	/* unlink */
340	*pp = p->next;
341	xc_entry_free_unlocked(type, cache, entry TSRMLS_CC);
342	return;
343	}
344	}
345	assert(0);
346	}
347	/* }}} */
348	static xc_entry_t xc_entry_find_unlocked(xc_entry_type_t type, xc_cache_t cache, xc_hash_value_t entryslotid, xc_entry_t entry TSRMLS_DC) / {{{ */
349	{
350	xc_entry_t *p;
351	for (p = cache->entries[entryslotid]; p; p = p->next) {
352	if (xc_entry_equal_unlocked(type, entry, p TSRMLS_CC)) {
353	zend_bool fresh;
354	switch (type) {
355	case XC_TYPE_PHP:
356	{
357	xc_entry_php_t p_php = (xc_entry_php_t ) p;
358	xc_entry_php_t entry_php = (xc_entry_php_t ) entry;
359	fresh = p_php->file_mtime == entry_php->file_mtime && p_php->file_size == entry_php->file_size;
360	}
361	break;
362
363	case XC_TYPE_VAR:
364	{
365	fresh = !VAR_ENTRY_EXPIRED(p);
366	}
367	break;
368
369	default:
370	assert(0);
371	}
372
373	if (fresh) {
374	p->hits ++;
375	p->atime = XG(request_time);
376	return p;
377	}
378
379	xc_entry_remove_unlocked(type, cache, entryslotid, p TSRMLS_CC);
380	return NULL;
381	}
382	}
383	return NULL;
384	}
385	/* }}} */
386	static void xc_entry_hold_php_unlocked(xc_cache_t cache, xc_entry_php_t entry TSRMLS_DC) /* {{{ */
387	{
388	TRACE("hold %d:%s", entry->file_inode, entry->entry.name.str.val);
389	entry->refcount ++;
390	xc_stack_push(&XG(php_holds)[cache->cacheid], (void *)entry);
391	}
392	/* }}} */
393	static inline zend_uint advance_wrapped(zend_uint val, zend_uint count) /* {{{ */
394	{
395	if (val + 1 >= count) {
396	return 0;
397	}
398	return val + 1;
399	}
400	/* }}} */
401	static void xc_counters_inc(time_t curtime, zend_uint curslot, time_t period, zend_ulong counters, zend_uint count TSRMLS_DC) / {{{ */
402	{
403	time_t n = XG(request_time) / period;
404	if (*curtime != n) {
405	zend_uint target_slot = n % count;
406	if (n - *curtime > period) {
407	memset(counters, 0, sizeof(counters[0]) * count);
408	}
409	else {
410	zend_uint slot;
411	for (slot = advance_wrapped(*curslot, count);
412	slot != target_slot;
413	slot = advance_wrapped(slot, count)) {
414	counters[slot] = 0;
415	}
416	counters[target_slot] = 0;
417	}
418	*curtime = n;
419	*curslot = target_slot;
420	}
421	counters[*curslot] ++;
422	}
423	/* }}} */
424	static void xc_cache_hit_unlocked(xc_cache_t cache TSRMLS_DC) / {{{ */
425	{
426	cache->hits ++;
427
428	xc_counters_inc(&cache->hits_by_hour_cur_time
429	, &cache->hits_by_hour_cur_slot, 60 * 60
430	, cache->hits_by_hour
431	, sizeof(cache->hits_by_hour) / sizeof(cache->hits_by_hour[0])
432	TSRMLS_CC);
433
434	xc_counters_inc(&cache->hits_by_second_cur_time
435	, &cache->hits_by_second_cur_slot
436	, 1
437	, cache->hits_by_second
438	, sizeof(cache->hits_by_second) / sizeof(cache->hits_by_second[0])
439	TSRMLS_CC);
440	}
441	/* }}} */
442
443	/* helper function that loop through each entry */
444	#define XC_ENTRY_APPLY_FUNC(name) zend_bool name(xc_entry_t *entry TSRMLS_DC)
445	typedef XC_ENTRY_APPLY_FUNC((*cache_apply_unlocked_func_t));
446	static void xc_entry_apply_unlocked(xc_entry_type_t type, xc_cache_t cache, cache_apply_unlocked_func_t apply_func TSRMLS_DC) / {{{ */
447	{
448	xc_entry_t p, *pp;
449	int i, c;
450
451	for (i = 0, c = cache->hentry->size; i < c; i ++) {
452	pp = &(cache->entries[i]);
453	for (p = pp; p; p = pp) {
454	if (apply_func(p TSRMLS_CC)) {
455	/* unlink */
456	*pp = p->next;
457	xc_entry_free_unlocked(type, cache, p TSRMLS_CC);
458	}
459	else {
460	pp = &(p->next);
461	}
462	}
463	}
464	}
465	/* }}} */
466
467	#define XC_CACHE_APPLY_FUNC(name) void name(xc_cache_t *cache TSRMLS_DC)
468	/* call graph:
469	* xc_gc_expires_php -> xc_gc_expires_one -> xc_entry_apply_unlocked -> xc_gc_expires_php_entry_unlocked
470	* xc_gc_expires_var -> xc_gc_expires_one -> xc_entry_apply_unlocked -> xc_gc_expires_var_entry_unlocked
471	*/
472	static XC_ENTRY_APPLY_FUNC(xc_gc_expires_php_entry_unlocked) /* {{{ */
473	{
474	TRACE("ttl %lu, %lu %lu", (zend_ulong) XG(request_time), (zend_ulong) entry->atime, xc_php_ttl);
475	if (XG(request_time) > entry->atime + (time_t) xc_php_ttl) {
476	return 1;
477	}
478	return 0;
479	}
480	/* }}} */
481	static XC_ENTRY_APPLY_FUNC(xc_gc_expires_var_entry_unlocked) /* {{{ */
482	{
483	if (VAR_ENTRY_EXPIRED(entry)) {
484	return 1;
485	}
486	return 0;
487	}
488	/* }}} */
489	static void xc_gc_expires_one(xc_entry_type_t type, xc_cache_t cache, zend_ulong gc_interval, cache_apply_unlocked_func_t apply_func TSRMLS_DC) / {{{ */
490	{
491	TRACE("interval %lu, %lu %lu", (zend_ulong) XG(request_time), (zend_ulong) cache->last_gc_expires, gc_interval);
492	if (XG(request_time) >= cache->last_gc_expires + (time_t) gc_interval) {
493	ENTER_LOCK(cache) {
494	if (XG(request_time) >= cache->last_gc_expires + (time_t) gc_interval) {
495	cache->last_gc_expires = XG(request_time);
496	xc_entry_apply_unlocked(type, cache, apply_func TSRMLS_CC);
497	}
498	} LEAVE_LOCK(cache);
499	}
500	}
501	/* }}} */
502	static void xc_gc_expires_php(TSRMLS_D) /* {{{ */
503	{
504	int i, c;
505
506	if (!xc_php_ttl \|\| !xc_php_gc_interval \|\| !xc_php_caches) {
507	return;
508	}
509
510	for (i = 0, c = xc_php_hcache.size; i < c; i ++) {
511	xc_gc_expires_one(XC_TYPE_PHP, xc_php_caches[i], xc_php_gc_interval, xc_gc_expires_php_entry_unlocked TSRMLS_CC);
512	}
513	}
514	/* }}} */
515	static void xc_gc_expires_var(TSRMLS_D) /* {{{ */
516	{
517	int i, c;
518
519	if (!xc_var_gc_interval \|\| !xc_var_caches) {
520	return;
521	}
522
523	for (i = 0, c = xc_var_hcache.size; i < c; i ++) {
524	xc_gc_expires_one(XC_TYPE_VAR, xc_var_caches[i], xc_var_gc_interval, xc_gc_expires_var_entry_unlocked TSRMLS_CC);
525	}
526	}
527	/* }}} */
528
529	static XC_CACHE_APPLY_FUNC(xc_gc_delete_unlocked) /* {{{ */
530	{
531	xc_entry_t p, *pp;
532
533	pp = &cache->deletes;
534	for (p = pp; p; p = pp) {
535	xc_entry_php_t entry = (xc_entry_php_t ) p;
536	if (XG(request_time) - p->dtime > 3600) {
537	entry->refcount = 0;
538	/* issue warning here */
539	}
540	if (entry->refcount == 0) {
541	/* unlink */
542	*pp = p->next;
543	cache->deletes_count --;
544	xc_entry_free_real_unlocked(XC_TYPE_PHP, cache, p);
545	}
546	else {
547	pp = &(p->next);
548	}
549	}
550	}
551	/* }}} */
552	static XC_CACHE_APPLY_FUNC(xc_gc_deletes_one) /* {{{ */
553	{
554	if (cache->deletes && XG(request_time) - cache->last_gc_deletes > xc_deletes_gc_interval) {
555	ENTER_LOCK(cache) {
556	if (cache->deletes && XG(request_time) - cache->last_gc_deletes > xc_deletes_gc_interval) {
557	cache->last_gc_deletes = XG(request_time);
558	xc_gc_delete_unlocked(cache TSRMLS_CC);
559	}
560	} LEAVE_LOCK(cache);
561	}
562	}
563	/* }}} */
564	static void xc_gc_deletes(TSRMLS_D) /* {{{ */
565	{
566	int i, c;
567
568	if (xc_php_caches) {
569	for (i = 0, c = xc_php_hcache.size; i < c; i ++) {
570	xc_gc_deletes_one(xc_php_caches[i] TSRMLS_CC);
571	}
572	}
573
574	if (xc_var_caches) {
575	for (i = 0, c = xc_var_hcache.size; i < c; i ++) {
576	xc_gc_deletes_one(xc_var_caches[i] TSRMLS_CC);
577	}
578	}
579	}
580	/* }}} */
581
582	/* helper functions for user functions */
583	static void xc_fillinfo_unlocked(int cachetype, xc_cache_t cache, zval return_value TSRMLS_DC) /* {{{ */
584	{
585	zval blocks, hits;
586	size_t i;
587	const xc_block_t *b;
588	#ifndef NDEBUG
589	xc_memsize_t avail = 0;
590	#endif
591	xc_mem_t *mem = cache->mem;
592	const xc_mem_handlers_t *handlers = mem->handlers;
593	zend_ulong interval;
594	if (cachetype == XC_TYPE_PHP) {
595	interval = xc_php_ttl ? xc_php_gc_interval : 0;
596	}
597	else {
598	interval = xc_var_gc_interval;
599	}
600
601	add_assoc_long_ex(return_value, ZEND_STRS("slots"), cache->hentry->size);
602	add_assoc_long_ex(return_value, ZEND_STRS("compiling"), cache->compiling);
603	add_assoc_long_ex(return_value, ZEND_STRS("updates"), cache->updates);
604	add_assoc_long_ex(return_value, ZEND_STRS("misses"), cache->updates); /* deprecated */
605	add_assoc_long_ex(return_value, ZEND_STRS("hits"), cache->hits);
606	add_assoc_long_ex(return_value, ZEND_STRS("clogs"), cache->clogs);
607	add_assoc_long_ex(return_value, ZEND_STRS("ooms"), cache->ooms);
608	add_assoc_long_ex(return_value, ZEND_STRS("errors"), cache->errors);
609
610	add_assoc_long_ex(return_value, ZEND_STRS("cached"), cache->entries_count);
611	add_assoc_long_ex(return_value, ZEND_STRS("deleted"), cache->deletes_count);
612	if (interval) {
613	time_t gc = (cache->last_gc_expires + interval) - XG(request_time);
614	add_assoc_long_ex(return_value, ZEND_STRS("gc"), gc > 0 ? gc : 0);
615	}
616	else {
617	add_assoc_null_ex(return_value, ZEND_STRS("gc"));
618	}
619	MAKE_STD_ZVAL(hits);
620	array_init(hits);
621	for (i = 0; i < sizeof(cache->hits_by_hour) / sizeof(cache->hits_by_hour[0]); i ++) {
622	add_next_index_long(hits, (long) cache->hits_by_hour[i]);
623	}
624	add_assoc_zval_ex(return_value, ZEND_STRS("hits_by_hour"), hits);
625
626	MAKE_STD_ZVAL(hits);
627	array_init(hits);
628	for (i = 0; i < sizeof(cache->hits_by_second) / sizeof(cache->hits_by_second[0]); i ++) {
629	add_next_index_long(hits, (long) cache->hits_by_second[i]);
630	}
631	add_assoc_zval_ex(return_value, ZEND_STRS("hits_by_second"), hits);
632
633	MAKE_STD_ZVAL(blocks);
634	array_init(blocks);
635
636	add_assoc_long_ex(return_value, ZEND_STRS("size"), handlers->size(mem));
637	add_assoc_long_ex(return_value, ZEND_STRS("avail"), handlers->avail(mem));
638	add_assoc_bool_ex(return_value, ZEND_STRS("can_readonly"), xc_readonly_protection);
639
640	for (b = handlers->freeblock_first(mem); b; b = handlers->freeblock_next(b)) {
641	zval *bi;
642
643	MAKE_STD_ZVAL(bi);
644	array_init(bi);
645
646	add_assoc_long_ex(bi, ZEND_STRS("size"), handlers->block_size(b));
647	add_assoc_long_ex(bi, ZEND_STRS("offset"), handlers->block_offset(mem, b));
648	add_next_index_zval(blocks, bi);
649	#ifndef NDEBUG
650	avail += handlers->block_size(b);
651	#endif
652	}
653	add_assoc_zval_ex(return_value, ZEND_STRS("free_blocks"), blocks);
654	#ifndef NDEBUG
655	assert(avail == handlers->avail(mem));
656	#endif
657	}
658	/* }}} */
659	static void xc_fillentry_unlocked(xc_entry_type_t type, const xc_entry_t entry, xc_hash_value_t entryslotid, int del, zval list TSRMLS_DC) /* {{{ */
660	{
661	zval* ei;
662	const xc_entry_data_php_t *php;
663
664	ALLOC_INIT_ZVAL(ei);
665	array_init(ei);
666
667	add_assoc_long_ex(ei, ZEND_STRS("hits"), entry->hits);
668	add_assoc_long_ex(ei, ZEND_STRS("ctime"), entry->ctime);
669	add_assoc_long_ex(ei, ZEND_STRS("atime"), entry->atime);
670	add_assoc_long_ex(ei, ZEND_STRS("hvalue"), entryslotid);
671	if (del) {
672	add_assoc_long_ex(ei, ZEND_STRS("dtime"), entry->dtime);
673	}
674	#ifdef IS_UNICODE
675	do {
676	zval *zv;
677	ALLOC_INIT_ZVAL(zv);
678	switch (entry->name_type) {
679	case IS_UNICODE:
680	ZVAL_UNICODEL(zv, entry->name.ustr.val, entry->name.ustr.len, 1);
681	break;
682	case IS_STRING:
683	ZVAL_STRINGL(zv, entry->name.str.val, entry->name.str.len, 1);
684	break;
685	default:
686	assert(0);
687	}
688	zv->type = entry->name_type;
689	add_assoc_zval_ex(ei, ZEND_STRS("name"), zv);
690	} while (0);
691	#else
692	add_assoc_stringl_ex(ei, ZEND_STRS("name"), entry->name.str.val, entry->name.str.len, 1);
693	#endif
694	switch (type) {
695	case XC_TYPE_PHP: {
696	xc_entry_php_t entry_php = (xc_entry_php_t ) entry;
697	php = entry_php->php;
698	add_assoc_long_ex(ei, ZEND_STRS("size"), entry->size + php->size);
699	add_assoc_long_ex(ei, ZEND_STRS("refcount"), entry_php->refcount);
700	add_assoc_long_ex(ei, ZEND_STRS("phprefcount"), php->refcount);
701	add_assoc_long_ex(ei, ZEND_STRS("file_mtime"), entry_php->file_mtime);
702	add_assoc_long_ex(ei, ZEND_STRS("file_size"), entry_php->file_size);
703	add_assoc_long_ex(ei, ZEND_STRS("file_device"), entry_php->file_device);
704	add_assoc_long_ex(ei, ZEND_STRS("file_inode"), entry_php->file_inode);
705
706	#ifdef HAVE_XCACHE_CONSTANT
707	add_assoc_long_ex(ei, ZEND_STRS("constinfo_cnt"), php->constinfo_cnt);
708	#endif
709	add_assoc_long_ex(ei, ZEND_STRS("function_cnt"), php->funcinfo_cnt);
710	add_assoc_long_ex(ei, ZEND_STRS("class_cnt"), php->classinfo_cnt);
711	#ifdef ZEND_ENGINE_2_1
712	add_assoc_long_ex(ei, ZEND_STRS("autoglobal_cnt"),php->autoglobal_cnt);
713	#endif
714	break;
715	}
716
717	case XC_TYPE_VAR:
718	add_assoc_long_ex(ei, ZEND_STRS("refcount"), 0); /* for BC only */
719	add_assoc_long_ex(ei, ZEND_STRS("size"), entry->size);
720	break;
721
722	default:
723	assert(0);
724	}
725
726	add_next_index_zval(list, ei);
727	}
728	/* }}} */
729	static void xc_filllist_unlocked(xc_entry_type_t type, xc_cache_t cache, zval return_value TSRMLS_DC) /* {{{ */
730	{
731	zval* list;
732	int i, c;
733	xc_entry_t *e;
734
735	ALLOC_INIT_ZVAL(list);
736	array_init(list);
737
738	for (i = 0, c = cache->hentry->size; i < c; i ++) {
739	for (e = cache->entries[i]; e; e = e->next) {
740	xc_fillentry_unlocked(type, e, i, 0, list TSRMLS_CC);
741	}
742	}
743	add_assoc_zval(return_value, "cache_list", list);
744
745	ALLOC_INIT_ZVAL(list);
746	array_init(list);
747	for (e = cache->deletes; e; e = e->next) {
748	xc_fillentry_unlocked(XC_TYPE_PHP, e, 0, 1, list TSRMLS_CC);
749	}
750	add_assoc_zval(return_value, "deleted_list", list);
751	}
752	/* }}} */
753
754	static zend_op_array xc_entry_install(xc_entry_php_t entry_php TSRMLS_DC) /* {{{ */
755	{
756	zend_uint i;
757	xc_entry_data_php_t *p = entry_php->php;
758	zend_op_array *old_active_op_array = CG(active_op_array);
759	#ifndef ZEND_ENGINE_2
760	ALLOCA_FLAG(use_heap)
761	/* new ptr which is stored inside CG(class_table) */
762	xc_cest_t new_cest_ptrs = (xc_cest_t )my_do_alloca(sizeof(xc_cest_t) p->classinfo_cnt, use_heap);
763	#endif
764
765	CG(active_op_array) = p->op_array;
766
767	#ifdef HAVE_XCACHE_CONSTANT
768	/* install constant */
769	for (i = 0; i < p->constinfo_cnt; i ++) {
770	xc_constinfo_t *ci = &p->constinfos[i];
771	xc_install_constant(entry_php->entry.name.str.val, &ci->constant,
772	UNISW(0, ci->type), ci->key, ci->key_size, ci->h TSRMLS_CC);
773	}
774	#endif
775
776	/* install function */
777	for (i = 0; i < p->funcinfo_cnt; i ++) {
778	xc_funcinfo_t *fi = &p->funcinfos[i];
779	xc_install_function(entry_php->entry.name.str.val, &fi->func,
780	UNISW(0, fi->type), fi->key, fi->key_size, fi->h TSRMLS_CC);
781	}
782
783	/* install class */
784	for (i = 0; i < p->classinfo_cnt; i ++) {
785	xc_classinfo_t *ci = &p->classinfos[i];
786	#ifndef ZEND_ENGINE_2
787	zend_class_entry *ce = CestToCePtr(ci->cest);
788	/* fix pointer to the be which inside class_table */
789	if (ce->parent) {
790	zend_uint class_idx = (/* class_num */ (int) (long) ce->parent) - 1;
791	assert(class_idx < i);
792	ci->cest.parent = new_cest_ptrs[class_idx];
793	}
794	new_cest_ptrs[i] =
795	#endif
796	#ifdef ZEND_COMPILE_DELAYED_BINDING
797	xc_install_class(entry_php->entry.name.str.val, &ci->cest, -1,
798	UNISW(0, ci->type), ci->key, ci->key_size, ci->h TSRMLS_CC);
799	#else
800	xc_install_class(entry_php->entry.name.str.val, &ci->cest, ci->oplineno,
801	UNISW(0, ci->type), ci->key, ci->key_size, ci->h TSRMLS_CC);
802	#endif
803	}
804
805	#ifdef ZEND_ENGINE_2_1
806	/* trigger auto_globals jit */
807	for (i = 0; i < p->autoglobal_cnt; i ++) {
808	xc_autoglobal_t *aginfo = &p->autoglobals[i];
809	zend_u_is_auto_global(aginfo->type, aginfo->key, aginfo->key_len TSRMLS_CC);
810	}
811	#endif
812	#ifdef XCACHE_ERROR_CACHING
813	/* restore trigger errors */
814	for (i = 0; i < p->compilererror_cnt; i ++) {
815	xc_compilererror_t *error = &p->compilererrors[i];
816	CG(zend_lineno) = error->lineno;
817	zend_error(error->type, "%s", error->error);
818	}
819	CG(zend_lineno) = 0;
820	#endif
821
822	i = 1;
823	#ifndef ZEND_ENGINE_2_2
824	zend_hash_add(&EG(included_files), entry_php->entry.name.str.val, entry_php->entry.name.str.len+1, (void *)&i, sizeof(int), NULL);
825	#endif
826
827	#ifndef ZEND_ENGINE_2
828	my_free_alloca(new_cest_ptrs, use_heap);
829	#endif
830	CG(active_op_array) = old_active_op_array;
831	return p->op_array;
832	}
833	/* }}} */
834
835	static inline void xc_entry_unholds_real(xc_stack_t holds, xc_cache_t caches, int cachecount TSRMLS_DC) / {{{ */
836	{
837	int i;
838	xc_stack_t *s;
839	xc_cache_t *cache;
840	xc_entry_php_t *entry_php;
841
842	for (i = 0; i < cachecount; i ++) {
843	s = &holds[i];
844	TRACE("holded %d items", xc_stack_count(s));
845	if (xc_stack_count(s)) {
846	cache = caches[i];
847	ENTER_LOCK(cache) {
848	while (xc_stack_count(s)) {
849	entry_php = (xc_entry_php_t *) xc_stack_pop(s);
850	TRACE("unhold %d:%s", entry_php->file_inode, entry_php->entry.name.str.val);
851	assert(entry_php->refcount > 0);
852	--entry_php->refcount;
853	}
854	} LEAVE_LOCK(cache);
855	}
856	}
857	}
858	/* }}} */
859	static void xc_entry_unholds(TSRMLS_D) /* {{{ */
860	{
861	if (xc_php_caches) {
862	xc_entry_unholds_real(XG(php_holds), xc_php_caches, xc_php_hcache.size TSRMLS_CC);
863	}
864
865	if (xc_var_caches) {
866	xc_entry_unholds_real(XG(var_holds), xc_var_caches, xc_var_hcache.size TSRMLS_CC);
867	}
868	}
869	/* }}} */
870
871	#define HASH(i) (i)
872	#define HASH_ZSTR_L(t, s, l) HASH(zend_u_inline_hash_func((t), (s), ((l) + 1) * sizeof(UChar)))
873	#define HASH_STR_S(s, l) HASH(zend_inline_hash_func((char *) (s), (l)))
874	#define HASH_STR_L(s, l) HASH_STR_S((s), (l) + 1)
875	#define HASH_STR(s) HASH_STR_L((s), strlen((s)) + 1)
876	#define HASH_NUM(n) HASH(n)
877	static inline xc_hash_value_t xc_hash_fold(xc_hash_value_t hvalue, const xc_hash_t hasher) / {{{ fold hash bits as needed */
878	{
879	xc_hash_value_t folded = 0;
880	while (hvalue) {
881	folded ^= (hvalue & hasher->mask);
882	hvalue >>= hasher->bits;
883	}
884	return folded;
885	}
886	/* }}} */
887	static inline xc_hash_value_t xc_entry_hash_name(xc_entry_t entry TSRMLS_DC) / {{{ */
888	{
889	return UNISW(NOTHING, UG(unicode) ? HASH_ZSTR_L(entry->name_type, entry->name.uni.val, entry->name.uni.len) :)
890	HASH_STR_L(entry->name.str.val, entry->name.str.len);
891	}
892	/* }}} */
893	#define xc_entry_hash_var xc_entry_hash_name
894	static void xc_entry_free_key_php(xc_entry_php_t entry_php TSRMLS_DC) / {{{ */
895	{
896	#define X_FREE(var) do {\
897	if (entry_php->var) { \
898	efree(entry_php->var); \
899	} \
900	} while (0)
901	X_FREE(dirpath);
902	#ifdef IS_UNICODE
903	X_FREE(ufilepath);
904	X_FREE(udirpath);
905	#endif
906
907	#undef X_FREE
908	}
909	/* }}} */
910	static char xc_expand_url(const char filepath, char real_path TSRMLS_DC) / {{{ */
911	{
912	if (strstr(filepath, "://") != NULL) {
913	size_t filepath_len = strlen(filepath);
914	size_t copy_len = filepath_len > MAXPATHLEN - 1 ? MAXPATHLEN - 1 : filepath_len;
915	memcpy(real_path, filepath, filepath_len);
916	real_path[copy_len] = '\0';
917	return real_path;
918	}
919	return expand_filepath(filepath, real_path TSRMLS_CC);
920	}
921	/* }}} */
922
923	#define XC_RESOLVE_PATH_CHECKER(name) zend_bool name(const char filepath, size_t filepath_len, void data TSRMLS_DC)
924	typedef XC_RESOLVE_PATH_CHECKER((*xc_resolve_path_checker_func_t));
925	static zend_bool xc_resolve_path(const char filepath, char path_buffer, xc_resolve_path_checker_func_t checker_func, void data TSRMLS_DC) / {{{ */
926	{
927	char paths, path;
928	char *tokbuf;
929	size_t path_buffer_len;
930	int size;
931	char tokens[] = { DEFAULT_DIR_SEPARATOR, '\0' };
932	int ret;
933	ALLOCA_FLAG(use_heap)
934
935	#if 0
936	if ((*filepath == '.' &&
937	(IS_SLASH(filepath[1]) \|\|
938	((filepath[1] == '.') && IS_SLASH(filepath[2])))) \|\|
939	IS_ABSOLUTE_PATH(filepath, strlen(filepath)) \|\|
940	!path \|\|
941	!*path) {
942
943	if (checker_func(path_buffer, path_buffer_len, data TSRMLS_CC)) {
944	ret = 1;
945	}
946	else {
947	ret = FAILURE;
948	}
949	goto finish;
950	}
951	#endif
952
953	size = strlen(PG(include_path)) + 1;
954	paths = (char *)my_do_alloca(size, use_heap);
955	memcpy(paths, PG(include_path), size);
956
957	for (path = php_strtok_r(paths, tokens, &tokbuf); path; path = php_strtok_r(NULL, tokens, &tokbuf)) {
958	path_buffer_len = snprintf(path_buffer, MAXPATHLEN, "%s/%s", path, filepath);
959	if (path_buffer_len < MAXPATHLEN - 1) {
960	if (checker_func(path_buffer, path_buffer_len, data TSRMLS_CC)) {
961	ret = 1;
962	goto finish;
963	}
964	}
965	}
966
967	/* fall back to current directory */
968	if (zend_is_executing(TSRMLS_C)) {
969	const char *executed_filename = zend_get_executed_filename(TSRMLS_C);
970	if (executed_filename && executed_filename[0] && executed_filename[0] != '[') {
971	size_t filename_len = strlen(filepath);
972	size_t dirname_len;
973
974	for (dirname_len = strlen(executed_filename) - 1; dirname_len > 0; --dirname_len) {
975	if (IS_SLASH(executed_filename[dirname_len])) {
976	if (dirname_len + filename_len < MAXPATHLEN - 1) {
977	++dirname_len; /* include tailing slash */
978	memcpy(path_buffer, executed_filename, dirname_len);
979	memcpy(path_buffer + dirname_len, filepath, filename_len);
980	path_buffer_len = dirname_len + filename_len;
981	path_buffer[path_buffer_len] = '\0';
982	if (checker_func(path_buffer, path_buffer_len, data TSRMLS_CC)) {
983	ret = 1;
984	goto finish;
985	}
986	}
987	break;
988	}
989	}
990	}
991	}
992
993	ret = 0;
994
995	finish:
996	my_free_alloca(paths, use_heap);
997
998	return ret;
999	}
1000	/* }}} */
1001	#ifndef ZEND_ENGINE_2_3
1002	static XC_RESOLVE_PATH_CHECKER(xc_stat_file) /* {{{ */
1003	{
1004	return VCWD_STAT(filepath, (struct stat *) data) == 0 ? 1 : 0;
1005	}
1006	/* }}} */
1007	static int xc_resolve_path_stat(const char filepath, char path_buffer, struct stat pbuf TSRMLS_DC) / {{{ */
1008	{
1009	return xc_resolve_path(filepath, path_buffer, xc_stat_file, (void *) pbuf TSRMLS_CC)
1010	? SUCCESS
1011	: FAILURE;
1012	}
1013	/* }}} */
1014	#endif
1015	typedef struct xc_compiler_t { /* {{{ */
1016	/* XCache cached compile state */
1017	const char *filename;
1018	size_t filename_len;
1019	const char *opened_path;
1020	char opened_path_buffer[MAXPATHLEN];
1021
1022	xc_entry_hash_t entry_hash;
1023	xc_entry_php_t new_entry;
1024	xc_entry_data_php_t new_php;
1025	} xc_compiler_t;
1026	/* }}} */
1027	typedef struct xc_entry_resolve_path_data_t { /* {{{ */
1028	xc_compiler_t *compiler;
1029	xc_entry_php_t **stored_entry;
1030	} xc_entry_resolve_path_data_t;
1031	/* }}} */
1032	static XC_RESOLVE_PATH_CHECKER(xc_entry_resolve_path_func_unlocked) /* {{{ */
1033	{
1034	xc_entry_resolve_path_data_t entry_resolve_path_data = (xc_entry_resolve_path_data_t ) data;
1035	xc_compiler_t *compiler = entry_resolve_path_data->compiler;
1036
1037	compiler->new_entry.entry.name.str.val = xc_expand_url(filepath, compiler->opened_path_buffer TSRMLS_CC);
1038	compiler->new_entry.entry.name.str.len = strlen(compiler->new_entry.entry.name.str.val);
1039
1040	entry_resolve_path_data->stored_entry = (xc_entry_php_t ) xc_entry_find_unlocked(
1041	XC_TYPE_PHP
1042	, xc_php_caches[compiler->entry_hash.cacheid]
1043	, compiler->entry_hash.entryslotid
1044	, (xc_entry_t *) &compiler->new_entry
1045	TSRMLS_CC);
1046
1047	return *entry_resolve_path_data->stored_entry ? 1 : 0;
1048	}
1049	/* }}} */
1050	static int xc_entry_resolve_path_unlocked(xc_compiler_t compiler, const char filepath, xc_entry_php_t *stored_entry TSRMLS_DC) / {{{ */
1051	{
1052	char path_buffer[MAXPATHLEN];
1053	xc_entry_resolve_path_data_t entry_resolve_path_data;
1054	entry_resolve_path_data.compiler = compiler;
1055	entry_resolve_path_data.stored_entry = stored_entry;
1056
1057	return xc_resolve_path(filepath, path_buffer, xc_entry_resolve_path_func_unlocked, (void *) &entry_resolve_path_data TSRMLS_CC)
1058	? SUCCESS
1059	: FAILURE;
1060	}
1061	/* }}} */
1062	static int xc_entry_php_quick_resolve_opened_path(xc_compiler_t compiler, struct stat statbuf TSRMLS_DC) /* {{{ */
1063	{
1064	if (strcmp(SG(request_info).path_translated, compiler->filename) == 0) {
1065	/* sapi has already done this stat() for us */
1066	if (statbuf) {
1067	struct stat *sapi_stat = sapi_get_stat(TSRMLS_C);
1068	if (!sapi_stat) {
1069	goto giveupsapistat;
1070	}
1071	statbuf = sapi_stat;
1072	}
1073
1074	compiler->opened_path = xc_expand_url(compiler->filename, compiler->opened_path_buffer TSRMLS_CC);
1075	return SUCCESS;
1076	}
1077	giveupsapistat:
1078
1079	/* absolute path */
1080	if (IS_ABSOLUTE_PATH(compiler->filename, strlen(compiler->filename))) {
1081	if (statbuf && VCWD_STAT(compiler->filename, statbuf) != 0) {
1082	return FAILURE;
1083	}
1084	compiler->opened_path = xc_expand_url(compiler->filename, compiler->opened_path_buffer TSRMLS_CC);
1085	return SUCCESS;
1086	}
1087
1088	/* relative path */
1089	if (*compiler->filename == '.' && (IS_SLASH(compiler->filename[1]) \|\| compiler->filename[1] == '.')) {
1090	const char *ptr = compiler->filename + 1;
1091	if (*ptr == '.') {
1092	while (*(++ptr) == '.');
1093	if (!IS_SLASH(*ptr)) {
1094	return FAILURE;
1095	}
1096	}
1097
1098	if (statbuf && VCWD_STAT(compiler->filename, statbuf) != 0) {
1099	return FAILURE;
1100	}
1101
1102	compiler->opened_path = xc_expand_url(compiler->filename, compiler->opened_path_buffer TSRMLS_CC);
1103	return SUCCESS;
1104	}
1105
1106	return FAILURE;
1107	}
1108	/* }}} */
1109	static int xc_entry_php_resolve_opened_path(xc_compiler_t compiler, struct stat statbuf TSRMLS_DC) /* {{{ */
1110	{
1111	if (xc_entry_php_quick_resolve_opened_path(compiler, statbuf TSRMLS_CC) == SUCCESS) {
1112	/* opened_path resolved */
1113	return SUCCESS;
1114	}
1115	/* fall back to real stat call */
1116	else {
1117	#ifdef ZEND_ENGINE_2_3
1118	char *opened_path = php_resolve_path(compiler->filename, compiler->filename_len, PG(include_path) TSRMLS_CC);
1119	if (opened_path) {
1120	strcpy(compiler->opened_path_buffer, opened_path);
1121	efree(opened_path);
1122	compiler->opened_path = compiler->opened_path_buffer;
1123	if (!statbuf \|\| VCWD_STAT(compiler->opened_path, statbuf) == 0) {
1124	return SUCCESS;
1125	}
1126	}
1127	#else
1128	char path_buffer[MAXPATHLEN];
1129	if (xc_resolve_path_stat(compiler->filename, path_buffer, statbuf TSRMLS_CC) == SUCCESS) {
1130	compiler->opened_path = xc_expand_url(path_buffer, compiler->opened_path_buffer TSRMLS_CC);
1131	return SUCCESS;
1132	}
1133	#endif
1134	}
1135	return FAILURE;
1136	}
1137	/* }}} */
1138	static int xc_entry_php_init_key(xc_compiler_t compiler TSRMLS_DC) / {{{ */
1139	{
1140	if (XG(stat)) {
1141	struct stat buf;
1142	time_t delta;
1143
1144	if (compiler->opened_path) {
1145	if (VCWD_STAT(compiler->opened_path, &buf) != 0) {
1146	return FAILURE;
1147	}
1148	}
1149	else {
1150	if (xc_entry_php_resolve_opened_path(compiler, &buf TSRMLS_CC) != SUCCESS) {
1151	return FAILURE;
1152	}
1153	}
1154
1155	delta = XG(request_time) - buf.st_mtime;
1156	if (abs(delta) < 2 && !xc_test) {
1157	return FAILURE;
1158	}
1159
1160	compiler->new_entry.file_mtime = buf.st_mtime;
1161	compiler->new_entry.file_size = buf.st_size;
1162	compiler->new_entry.file_device = buf.st_dev;
1163	compiler->new_entry.file_inode = buf.st_ino;
1164	}
1165	else {
1166	xc_entry_php_quick_resolve_opened_path(compiler, NULL TSRMLS_CC);
1167
1168	compiler->new_entry.file_mtime = 0;
1169	compiler->new_entry.file_size = 0;
1170	compiler->new_entry.file_device = 0;
1171	compiler->new_entry.file_inode = 0;
1172	}
1173
1174	{
1175	xc_hash_value_t basename_hash_value;
1176	if (xc_php_hcache.size > 1
1177	\|\| !compiler->new_entry.file_inode) {
1178	const char *filename_end = compiler->filename + compiler->filename_len;
1179	const char *basename = filename_end - 1;
1180
1181	/* scan till out of basename part */
1182	while (basename >= compiler->filename && !IS_SLASH(*basename)) {
1183	--basename;
1184	}
1185	/* get back to basename */
1186	++basename;
1187
1188	basename_hash_value = HASH_STR_L(basename, filename_end - basename);
1189	}
1190
1191	compiler->entry_hash.cacheid = xc_php_hcache.size > 1 ? xc_hash_fold(basename_hash_value, &xc_php_hcache) : 0;
1192	compiler->entry_hash.entryslotid = xc_hash_fold(
1193	compiler->new_entry.file_inode
1194	? (xc_hash_value_t) HASH(compiler->new_entry.file_device + compiler->new_entry.file_inode)
1195	: basename_hash_value
1196	, &xc_php_hentry);
1197	}
1198
1199	compiler->new_entry.filepath = NULL;
1200	compiler->new_entry.dirpath = NULL;
1201	#ifdef IS_UNICODE
1202	compiler->new_entry.ufilepath = NULL;
1203	compiler->new_entry.udirpath = NULL;
1204	#endif
1205
1206	return SUCCESS;
1207	}
1208	/* }}} */
1209	static inline xc_hash_value_t xc_php_hash_md5(xc_entry_data_php_t php TSRMLS_DC) / {{{ */
1210	{
1211	return HASH_STR_S(php->md5.digest, sizeof(php->md5.digest));
1212	}
1213	/* }}} */
1214	static int xc_entry_data_php_init_md5(xc_cache_t cache, xc_compiler_t compiler TSRMLS_DC) /* {{{ */
1215	{
1216	unsigned char buf[1024];
1217	PHP_MD5_CTX context;
1218	int n;
1219	php_stream *stream;
1220	ulong old_rsid = EG(regular_list).nNextFreeElement;
1221
1222	stream = php_stream_open_wrapper((char *) compiler->filename, "rb", USE_PATH \| REPORT_ERRORS \| ENFORCE_SAFE_MODE \| STREAM_DISABLE_OPEN_BASEDIR, NULL);
1223	if (!stream) {
1224	return FAILURE;
1225	}
1226
1227	PHP_MD5Init(&context);
1228	while ((n = php_stream_read(stream, (char *) buf, sizeof(buf))) > 0) {
1229	PHP_MD5Update(&context, buf, n);
1230	}
1231	PHP_MD5Final((unsigned char *) compiler->new_php.md5.digest, &context);
1232
1233	php_stream_close(stream);
1234	if (EG(regular_list).nNextFreeElement == old_rsid + 1) {
1235	EG(regular_list).nNextFreeElement = old_rsid;
1236	}
1237
1238	if (n < 0) {
1239	return FAILURE;
1240	}
1241
1242	compiler->new_php.hvalue = (xc_php_hash_md5(&compiler->new_php TSRMLS_CC) & cache->hphp->mask);
1243	#ifdef XCACHE_DEBUG
1244	{
1245	char md5str[33];
1246	make_digest(md5str, (unsigned char *) compiler->new_php.md5.digest);
1247	TRACE("md5 %s", md5str);
1248	}
1249	#endif
1250
1251	return SUCCESS;
1252	}
1253	/* }}} */
1254	static void xc_entry_php_init(xc_entry_php_t entry_php, const char filepath TSRMLS_DC) /* {{{*/
1255	{
1256	entry_php->filepath = ZEND_24((char *), NOTHING) filepath;
1257	entry_php->filepath_len = strlen(entry_php->filepath);
1258	entry_php->dirpath = estrndup(entry_php->filepath, entry_php->filepath_len);
1259	entry_php->dirpath_len = zend_dirname(entry_php->dirpath, entry_php->filepath_len);
1260	#ifdef IS_UNICODE
1261	zend_string_to_unicode(ZEND_U_CONVERTER(UG(runtime_encoding_conv)), &entry_php->ufilepath, &entry_php->ufilepath_len, entry_php->filepath, entry_php->filepath_len TSRMLS_CC);
1262	zend_string_to_unicode(ZEND_U_CONVERTER(UG(runtime_encoding_conv)), &entry_php->udirpath, &entry_php->udirpath_len, entry_php->dirpath, entry_php->dirpath_len TSRMLS_CC);
1263	#endif
1264	}
1265	/* }}} */
1266	#ifndef ZEND_COMPILE_DELAYED_BINDING
1267	static void xc_cache_early_binding_class_cb(zend_op opline, int oplineno, void data TSRMLS_DC) /* {{{ */
1268	{
1269	char *class_name;
1270	zend_uint i;
1271	int class_len;
1272	xc_cest_t cest;
1273	xc_entry_data_php_t php = (xc_entry_data_php_t ) data;
1274
1275	class_name = Z_OP_CONSTANT(opline->op1).value.str.val;
1276	class_len = Z_OP_CONSTANT(opline->op1).value.str.len;
1277	if (zend_hash_find(CG(class_table), class_name, class_len, (void **) &cest) == FAILURE) {
1278	assert(0);
1279	}
1280	TRACE("got ZEND_DECLARE_INHERITED_CLASS: %s", class_name + 1);
1281	/* let's see which class */
1282	for (i = 0; i < php->classinfo_cnt; i ++) {
1283	if (memcmp(ZSTR_S(php->classinfos[i].key), class_name, class_len) == 0) {
1284	php->classinfos[i].oplineno = oplineno;
1285	php->have_early_binding = 1;
1286	break;
1287	}
1288	}
1289
1290	if (i == php->classinfo_cnt) {
1291	assert(0);
1292	}
1293	}
1294	/* }}} */
1295	#endif
1296
1297	/* {{{ Constant Usage */
1298	#ifdef ZEND_ENGINE_2_4
1299	# define xcache_literal_is_dir 1
1300	# define xcache_literal_is_file 2
1301	#else
1302	# define xcache_op1_is_file 1
1303	# define xcache_op1_is_dir 2
1304	# define xcache_op2_is_file 4
1305	# define xcache_op2_is_dir 8
1306	#endif
1307	typedef struct {
1308	zend_bool filepath_used;
1309	zend_bool dirpath_used;
1310	zend_bool ufilepath_used;
1311	zend_bool udirpath_used;
1312	} xc_const_usage_t;
1313	/* }}} */
1314	static void xc_collect_op_array_info(xc_compiler_t compiler, xc_const_usage_t usage, xc_op_array_info_t op_array_info, zend_op_array op_array TSRMLS_DC) /* {{{ */
1315	{
1316	#ifdef ZEND_ENGINE_2_4
1317	int literalindex;
1318	#else
1319	zend_uint oplinenum;
1320	#endif
1321	xc_vector_t details;
1322
1323	xc_vector_init(xc_op_array_info_detail_t, &details);
1324
1325	#define XCACHE_ANALYZE_LITERAL(type) \
1326	if (zend_binary_strcmp(Z_STRVAL(literal->constant), Z_STRLEN(literal->constant), compiler->new_entry.type##path, compiler->new_entry.type##path_len) == 0) { \
1327	usage->type##path_used = 1; \
1328	literalinfo \|= xcache_##literal##_is_##type; \
1329	}
1330
1331	#define XCACHE_U_ANALYZE_LITERAL(type) \
1332	if (zend_u_##binary_strcmp(Z_USTRVAL(literal->constant), Z_USTRLEN(literal->constant), compiler->new_entry.u##type##path, compiler->new_entry.u##type##path_len) == 0) { \
1333	usage->u##type##path_used = 1; \
1334	literalinfo \|= xcache_##literal##_is_##type; \
1335	}
1336
1337	#define XCACHE_ANALYZE_OP(type, op) \
1338	if (zend_binary_strcmp(Z_STRVAL(Z_OP_CONSTANT(opline->op)), Z_STRLEN(Z_OP_CONSTANT(opline->op)), compiler->new_entry.type##path, compiler->new_entry.type##path_len) == 0) { \
1339	usage->type##path_used = 1; \
1340	oplineinfo \|= xcache_##op##_is_##type; \
1341	}
1342
1343	#define XCACHE_U_ANALYZE_OP(type, op) \
1344	if (zend_u_##binary_strcmp(Z_USTRVAL(Z_OP_CONSTANT(opline->op)), Z_USTRLEN(Z_OP_CONSTANT(opline->op)), compiler->new_entry.u##type##path, compiler->new_entry.u##type##path_len) == 0) { \
1345	usage->u##type##path_used = 1; \
1346	oplineinfo \|= xcache_##op##_is_##type; \
1347	}
1348
1349	#ifdef ZEND_ENGINE_2_4
1350	for (literalindex = 0; literalindex < op_array->last_literal; literalindex++) {
1351	zend_literal *literal = &op_array->literals[literalindex];
1352	zend_uint literalinfo = 0;
1353	if (Z_TYPE(literal->constant) == IS_STRING) {
1354	XCACHE_ANALYZE_LITERAL(file)
1355	else XCACHE_ANALYZE_LITERAL(dir)
1356	}
1357	#ifdef IS_UNICODE
1358	else if (Z_TYPE(literal->constant) == IS_UNICODE) {
1359	XCACHE_U_ANALYZE_LITERAL(file)
1360	else XCACHE_U_ANALYZE_LITERAL(dir)
1361	}
1362	#endif
1363	if (literalinfo) {
1364	xc_op_array_info_detail_t detail;
1365	detail.index = literalindex;
1366	detail.info = literalinfo;
1367	xc_vector_add(xc_op_array_info_detail_t, &details, detail);
1368	}
1369	}
1370
1371	op_array_info->literalinfo_cnt = details.cnt;
1372	op_array_info->literalinfos = xc_vector_detach(xc_op_array_info_detail_t, &details);
1373	#else /* ZEND_ENGINE_2_4 */
1374	for (oplinenum = 0; oplinenum < op_array->last; oplinenum++) {
1375	zend_op *opline = &op_array->opcodes[oplinenum];
1376	zend_uint oplineinfo = 0;
1377	if (Z_OP_TYPE(opline->op1) == IS_CONST) {
1378	if (Z_TYPE(Z_OP_CONSTANT(opline->op1)) == IS_STRING) {
1379	XCACHE_ANALYZE_OP(file, op1)
1380	else XCACHE_ANALYZE_OP(dir, op1)
1381	}
1382	#ifdef IS_UNICODE
1383	else if (Z_TYPE(Z_OP_CONSTANT(opline->op1)) == IS_UNICODE) {
1384	XCACHE_U_ANALYZE_OP(file, op1)
1385	else XCACHE_U_ANALYZE_OP(dir, op1)
1386	}
1387	#endif
1388	}
1389
1390	if (Z_OP_TYPE(opline->op2) == IS_CONST) {
1391	if (Z_TYPE(Z_OP_CONSTANT(opline->op2)) == IS_STRING) {
1392	XCACHE_ANALYZE_OP(file, op2)
1393	else XCACHE_ANALYZE_OP(dir, op2)
1394	}
1395	#ifdef IS_UNICODE
1396	else if (Z_TYPE(Z_OP_CONSTANT(opline->op2)) == IS_UNICODE) {
1397	XCACHE_U_ANALYZE_OP(file, op2)
1398	else XCACHE_U_ANALYZE_OP(dir, op2)
1399	}
1400	#endif
1401	}
1402
1403	if (oplineinfo) {
1404	xc_op_array_info_detail_t detail;
1405	detail.index = oplinenum;
1406	detail.info = oplineinfo;
1407	xc_vector_add(xc_op_array_info_detail_t, &details, detail);
1408	}
1409	}
1410
1411	op_array_info->oplineinfo_cnt = details.cnt;
1412	op_array_info->oplineinfos = xc_vector_detach(xc_op_array_info_detail_t, &details);
1413	#endif /* ZEND_ENGINE_2_4 */
1414	xc_vector_free(xc_op_array_info_detail_t, &details);
1415	}
1416	/* }}} */
1417	void xc_fix_op_array_info(const xc_entry_php_t entry_php, const xc_entry_data_php_t php, zend_op_array op_array, int shallow_copy, const xc_op_array_info_t op_array_info TSRMLS_DC) /* {{{ */
1418	{
1419	#ifdef ZEND_ENGINE_2_4
1420	zend_uint literalinfoindex;
1421
1422	for (literalinfoindex = 0; literalinfoindex < op_array_info->literalinfo_cnt; ++literalinfoindex) {
1423	int literalindex = op_array_info->literalinfos[literalinfoindex].index;
1424	int literalinfo = op_array_info->literalinfos[literalinfoindex].info;
1425	zend_literal *literal = &op_array->literals[literalindex];
1426	if ((literalinfo & xcache_literal_is_file)) {
1427	if (!shallow_copy) {
1428	efree(Z_STRVAL(literal->constant));
1429	}
1430	if (Z_TYPE(literal->constant) == IS_STRING) {
1431	assert(entry_php->filepath);
1432	ZVAL_STRINGL(&literal->constant, entry_php->filepath, entry_php->filepath_len, !shallow_copy);
1433	TRACE("restored literal constant: %s", entry_php->filepath);
1434	}
1435	#ifdef IS_UNICODE
1436	else if (Z_TYPE(literal->constant) == IS_UNICODE) {
1437	assert(entry_php->ufilepath);
1438	ZVAL_UNICODEL(&literal->constant, entry_php->ufilepath, entry_php->ufilepath_len, !shallow_copy);
1439	}
1440	#endif
1441	else {
1442	assert(0);
1443	}
1444	}
1445	else if ((literalinfo & xcache_literal_is_dir)) {
1446	if (!shallow_copy) {
1447	efree(Z_STRVAL(literal->constant));
1448	}
1449	if (Z_TYPE(literal->constant) == IS_STRING) {
1450	assert(entry_php->dirpath);
1451	TRACE("restored literal constant: %s", entry_php->dirpath);
1452	ZVAL_STRINGL(&literal->constant, entry_php->dirpath, entry_php->dirpath_len, !shallow_copy);
1453	}
1454	#ifdef IS_UNICODE
1455	else if (Z_TYPE(literal->constant) == IS_UNICODE) {
1456	assert(!entry_php->udirpath);
1457	ZVAL_UNICODEL(&literal->constant, entry_php->udirpath, entry_php->udirpath_len, !shallow_copy);
1458	}
1459	#endif
1460	else {
1461	assert(0);
1462	}
1463	}
1464	}
1465	#else /* ZEND_ENGINE_2_4 */
1466	zend_uint oplinenum;
1467
1468	for (oplinenum = 0; oplinenum < op_array_info->oplineinfo_cnt; ++oplinenum) {
1469	int oplineindex = op_array_info->oplineinfos[oplinenum].index;
1470	int oplineinfo = op_array_info->oplineinfos[oplinenum].info;
1471	zend_op *opline = &op_array->opcodes[oplineindex];
1472	if ((oplineinfo & xcache_op1_is_file)) {
1473	assert(Z_OP_TYPE(opline->op1) == IS_CONST);
1474	if (!shallow_copy) {
1475	efree(Z_STRVAL(Z_OP_CONSTANT(opline->op1)));
1476	}
1477	if (Z_TYPE(Z_OP_CONSTANT(opline->op1)) == IS_STRING) {
1478	assert(entry_php->filepath);
1479	ZVAL_STRINGL(&Z_OP_CONSTANT(opline->op1), entry_php->filepath, entry_php->filepath_len, !shallow_copy);
1480	TRACE("restored op1 constant: %s", entry_php->filepath);
1481	}
1482	#ifdef IS_UNICODE
1483	else if (Z_TYPE(Z_OP_CONSTANT(opline->op1)) == IS_UNICODE) {
1484	assert(entry_php->ufilepath);
1485	ZVAL_UNICODEL(&Z_OP_CONSTANT(opline->op1), entry_php->ufilepath, entry_php->ufilepath_len, !shallow_copy);
1486	}
1487	#endif
1488	else {
1489	assert(0);
1490	}
1491	}
1492	else if ((oplineinfo & xcache_op1_is_dir)) {
1493	assert(Z_OP_TYPE(opline->op1) == IS_CONST);
1494	if (!shallow_copy) {
1495	efree(Z_STRVAL(Z_OP_CONSTANT(opline->op1)));
1496	}
1497	if (Z_TYPE(Z_OP_CONSTANT(opline->op1)) == IS_STRING) {
1498	assert(entry_php->dirpath);
1499	TRACE("restored op1 constant: %s", entry_php->dirpath);
1500	ZVAL_STRINGL(&Z_OP_CONSTANT(opline->op1), entry_php->dirpath, entry_php->dirpath_len, !shallow_copy);
1501	}
1502	#ifdef IS_UNICODE
1503	else if (Z_TYPE(Z_OP_CONSTANT(opline->op1)) == IS_UNICODE) {
1504	assert(!entry_php->udirpath);
1505	ZVAL_UNICODEL(&Z_OP_CONSTANT(opline->op1), entry_php->udirpath, entry_php->udirpath_len, !shallow_copy);
1506	}
1507	#endif
1508	else {
1509	assert(0);
1510	}
1511	}
1512
1513	if ((oplineinfo & xcache_op2_is_file)) {
1514	assert(Z_OP_TYPE(opline->op2) == IS_CONST);
1515	if (!shallow_copy) {
1516	efree(Z_STRVAL(Z_OP_CONSTANT(opline->op2)));
1517	}
1518	if (Z_TYPE(Z_OP_CONSTANT(opline->op2)) == IS_STRING) {
1519	assert(entry_php->filepath);
1520	TRACE("restored op2 constant: %s", entry_php->filepath);
1521	ZVAL_STRINGL(&Z_OP_CONSTANT(opline->op2), entry_php->filepath, entry_php->filepath_len, !shallow_copy);
1522	}
1523	#ifdef IS_UNICODE
1524	else if (Z_TYPE(Z_OP_CONSTANT(opline->op2)) == IS_UNICODE) {
1525	assert(entry_php->ufilepath);
1526	ZVAL_UNICODEL(&Z_OP_CONSTANT(opline->op2), entry_php->ufilepath, entry_php->ufilepath_len, !shallow_copy);
1527	}
1528	#endif
1529	else {
1530	assert(0);
1531	}
1532	}
1533	else if ((oplineinfo & xcache_op2_is_dir)) {
1534	assert(Z_OP_TYPE(opline->op2) == IS_CONST);
1535	if (!shallow_copy) {
1536	efree(Z_STRVAL(Z_OP_CONSTANT(opline->op2)));
1537	}
1538	if (Z_TYPE(Z_OP_CONSTANT(opline->op2)) == IS_STRING) {
1539	assert(entry_php->dirpath);
1540	TRACE("restored op2 constant: %s", entry_php->dirpath);
1541	ZVAL_STRINGL(&Z_OP_CONSTANT(opline->op2), entry_php->dirpath, entry_php->dirpath_len, !shallow_copy);
1542	}
1543	#ifdef IS_UNICODE
1544	else if (Z_TYPE(Z_OP_CONSTANT(opline->op2)) == IS_UNICODE) {
1545	assert(entry_php->udirpath);
1546	ZVAL_UNICODEL(&Z_OP_CONSTANT(opline->op2), entry_php->udirpath, entry_php->udirpath_len, !shallow_copy);
1547	}
1548	#endif
1549	else {
1550	assert(0);
1551	}
1552	}
1553	}
1554	#endif /* ZEND_ENGINE_2_4 */
1555	}
1556	/* }}} */
1557	static void xc_free_op_array_info(xc_op_array_info_t op_array_info TSRMLS_DC) / {{{ */
1558	{
1559	#ifdef ZEND_ENGINE_2_4
1560	if (op_array_info->literalinfos) {
1561	efree(op_array_info->literalinfos);
1562	}
1563	#else
1564	if (op_array_info->oplineinfos) {
1565	efree(op_array_info->oplineinfos);
1566	}
1567	#endif
1568	}
1569	/* }}} */
1570	static void xc_free_php(xc_entry_data_php_t php TSRMLS_DC) / {{{ */
1571	{
1572	zend_uint i;
1573	if (php->classinfos) {
1574	for (i = 0; i < php->classinfo_cnt; i ++) {
1575	xc_classinfo_t *classinfo = &php->classinfos[i];
1576	zend_uint j;
1577
1578	for (j = 0; j < classinfo->methodinfo_cnt; j ++) {
1579	xc_free_op_array_info(&classinfo->methodinfos[j] TSRMLS_CC);
1580	}
1581
1582	if (classinfo->methodinfos) {
1583	efree(classinfo->methodinfos);
1584	}
1585	}
1586	}
1587	if (php->funcinfos) {
1588	for (i = 0; i < php->funcinfo_cnt; i ++) {
1589	xc_free_op_array_info(&php->funcinfos[i].op_array_info TSRMLS_CC);
1590	}
1591	}
1592	xc_free_op_array_info(&php->op_array_info TSRMLS_CC);
1593
1594	#define X_FREE(var) do {\
1595	if (php->var) { \
1596	efree(php->var); \
1597	} \
1598	} while (0)
1599
1600	#ifdef ZEND_ENGINE_2_1
1601	X_FREE(autoglobals);
1602	#endif
1603	X_FREE(classinfos);
1604	X_FREE(funcinfos);
1605	#ifdef HAVE_XCACHE_CONSTANT
1606	X_FREE(constinfos);
1607	#endif
1608	#undef X_FREE
1609	}
1610	/* }}} */
1611	static void xc_compile_php(xc_compiler_t compiler, zend_file_handle h, int type TSRMLS_DC) /* {{{ */
1612	{
1613	zend_uint old_constinfo_cnt, old_funcinfo_cnt, old_classinfo_cnt;
1614	zend_bool catched = 0;
1615
1616	/* {{{ compile */
1617	TRACE("compiling %s", h->opened_path ? h->opened_path : h->filename);
1618
1619	old_classinfo_cnt = zend_hash_num_elements(CG(class_table));
1620	old_funcinfo_cnt = zend_hash_num_elements(CG(function_table));
1621	old_constinfo_cnt = zend_hash_num_elements(EG(zend_constants));
1622
1623	zend_try {
1624	compiler->new_php.op_array = old_compile_file(h, type TSRMLS_CC);
1625	} zend_catch {
1626	catched = 1;
1627	} zend_end_try();
1628
1629	if (catched) {
1630	goto err_bailout;
1631	}
1632
1633	if (compiler->new_php.op_array == NULL) {
1634	goto err_op_array;
1635	}
1636
1637	if (!XG(initial_compile_file_called)) {
1638	return;
1639	}
1640
1641	/* }}} */
1642	/* {{{ prepare */
1643	zend_restore_compiled_filename(h->opened_path ? h->opened_path : (char *) h->filename TSRMLS_CC);
1644
1645	#ifdef HAVE_XCACHE_CONSTANT
1646	compiler->new_php.constinfo_cnt = zend_hash_num_elements(EG(zend_constants)) - old_constinfo_cnt;
1647	#endif
1648	compiler->new_php.funcinfo_cnt = zend_hash_num_elements(CG(function_table)) - old_funcinfo_cnt;
1649	compiler->new_php.classinfo_cnt = zend_hash_num_elements(CG(class_table)) - old_classinfo_cnt;
1650	#ifdef ZEND_ENGINE_2_1
1651	/* {{{ count new_php.autoglobal_cnt */ {
1652	Bucket *b;
1653
1654	compiler->new_php.autoglobal_cnt = 0;
1655	for (b = CG(auto_globals)->pListHead; b != NULL; b = b->pListNext) {
1656	zend_auto_global auto_global = (zend_auto_global ) b->pData;
1657	/* check if actived */
1658	if (auto_global->auto_global_callback && !auto_global->armed) {
1659	compiler->new_php.autoglobal_cnt ++;
1660	}
1661	}
1662	}
1663	/* }}} */
1664	#endif
1665
1666	#define X_ALLOC_N(var, cnt) do { \
1667	if (compiler->new_php.cnt) { \
1668	ECALLOC_N(compiler->new_php.var, compiler->new_php.cnt); \
1669	if (!compiler->new_php.var) { \
1670	goto err_alloc; \
1671	} \
1672	} \
1673	else { \
1674	compiler->new_php.var = NULL; \
1675	} \
1676	} while (0)
1677
1678	#ifdef HAVE_XCACHE_CONSTANT
1679	X_ALLOC_N(constinfos, constinfo_cnt);
1680	#endif
1681	X_ALLOC_N(funcinfos, funcinfo_cnt);
1682	X_ALLOC_N(classinfos, classinfo_cnt);
1683	#ifdef ZEND_ENGINE_2_1
1684	X_ALLOC_N(autoglobals, autoglobal_cnt);
1685	#endif
1686	#undef X_ALLOC
1687	/* }}} */
1688
1689	/* {{{ shallow copy, pointers only */ {
1690	Bucket *b;
1691	zend_uint i;
1692	zend_uint j;
1693
1694	#define COPY_H(vartype, var, cnt, name, datatype) do { \
1695	for (i = 0, j = 0; b; i ++, b = b->pListNext) { \
1696	vartype *data = &compiler->new_php.var[j]; \
1697	\
1698	if (i < old_##cnt) { \
1699	continue; \
1700	} \
1701	j ++; \
1702	\
1703	assert(i < old_##cnt + compiler->new_php.cnt); \
1704	assert(b->pData); \
1705	memcpy(&data->name, b->pData, sizeof(datatype)); \
1706	UNISW(NOTHING, data->type = b->key.type;) \
1707	if (UNISW(1, b->key.type == IS_STRING)) { \
1708	ZSTR_S(data->key) = BUCKET_KEY_S(b); \
1709	} \
1710	else { \
1711	ZSTR_U(data->key) = BUCKET_KEY_U(b); \
1712	} \
1713	data->key_size = b->nKeyLength; \
1714	data->h = b->h; \
1715	} \
1716	} while(0)
1717
1718	#ifdef HAVE_XCACHE_CONSTANT
1719	b = EG(zend_constants)->pListHead; COPY_H(xc_constinfo_t, constinfos, constinfo_cnt, constant, zend_constant);
1720	#endif
1721	b = CG(function_table)->pListHead; COPY_H(xc_funcinfo_t, funcinfos, funcinfo_cnt, func, zend_function);
1722	b = CG(class_table)->pListHead; COPY_H(xc_classinfo_t, classinfos, classinfo_cnt, cest, xc_cest_t);
1723
1724	#undef COPY_H
1725
1726	/* for ZE1, cest need to be fixed inside store */
1727
1728	#ifdef ZEND_ENGINE_2_1
1729	/* scan for acatived auto globals */
1730	i = 0;
1731	for (b = CG(auto_globals)->pListHead; b != NULL; b = b->pListNext) {
1732	zend_auto_global auto_global = (zend_auto_global ) b->pData;
1733	/* check if actived */
1734	if (auto_global->auto_global_callback && !auto_global->armed) {
1735	xc_autoglobal_t *data = &compiler->new_php.autoglobals[i];
1736
1737	assert(i < compiler->new_php.autoglobal_cnt);
1738	i ++;
1739	UNISW(NOTHING, data->type = b->key.type;)
1740	if (UNISW(1, b->key.type == IS_STRING)) {
1741	ZSTR_S(data->key) = BUCKET_KEY_S(b);
1742	}
1743	else {
1744	ZSTR_U(data->key) = BUCKET_KEY_U(b);
1745	}
1746	data->key_len = b->nKeyLength - 1;
1747	data->h = b->h;
1748	}
1749	}
1750	#endif
1751	}
1752	/* }}} */
1753
1754	/* {{{ collect info for file/dir path */ {
1755	Bucket *b;
1756	xc_const_usage_t const_usage;
1757	unsigned int i;
1758
1759	xc_entry_php_init(&compiler->new_entry, zend_get_compiled_filename(TSRMLS_C) TSRMLS_CC);
1760	memset(&const_usage, 0, sizeof(const_usage));
1761
1762	for (i = 0; i < compiler->new_php.classinfo_cnt; i ++) {
1763	xc_classinfo_t *classinfo = &compiler->new_php.classinfos[i];
1764	zend_class_entry *ce = CestToCePtr(classinfo->cest);
1765	classinfo->methodinfo_cnt = ce->function_table.nTableSize;
1766	if (classinfo->methodinfo_cnt) {
1767	int j;
1768
1769	ECALLOC_N(classinfo->methodinfos, classinfo->methodinfo_cnt);
1770	if (!classinfo->methodinfos) {
1771	goto err_alloc;
1772	}
1773
1774	for (j = 0, b = ce->function_table.pListHead; b; j ++, b = b->pListNext) {
1775	xc_collect_op_array_info(compiler, &const_usage, &classinfo->methodinfos[j], (zend_op_array *) b->pData TSRMLS_CC);
1776	}
1777	}
1778	else {
1779	classinfo->methodinfos = NULL;
1780	}
1781	}
1782
1783	for (i = 0; i < compiler->new_php.funcinfo_cnt; i ++) {
1784	xc_collect_op_array_info(compiler, &const_usage, &compiler->new_php.funcinfos[i].op_array_info, (zend_op_array *) &compiler->new_php.funcinfos[i].func TSRMLS_CC);
1785	}
1786
1787	xc_collect_op_array_info(compiler, &const_usage, &compiler->new_php.op_array_info, compiler->new_php.op_array TSRMLS_CC);
1788
1789	/* file/dir path free unused */
1790	#define X_FREE_UNUSED(var) \
1791	if (!const_usage.var##path_used) { \
1792	efree(compiler->new_entry.var##path); \
1793	compiler->new_entry.var##path = NULL; \
1794	compiler->new_entry.var##path_len = 0; \
1795	}
1796	/* filepath is required to restore op_array->filename, so no free filepath here */
1797	X_FREE_UNUSED(dir)
1798	#ifdef IS_UNICODE
1799	X_FREE_UNUSED(ufile)
1800	X_FREE_UNUSED(udir)
1801	#endif
1802	#undef X_FREE_UNUSED
1803	}
1804	/* }}} */
1805	#ifdef XCACHE_ERROR_CACHING
1806	compiler->new_php.compilererrors = xc_sandbox_compilererrors(TSRMLS_C);
1807	compiler->new_php.compilererror_cnt = xc_sandbox_compilererror_cnt(TSRMLS_C);
1808	#endif
1809	#ifndef ZEND_COMPILE_DELAYED_BINDING
1810	/* {{{ find inherited classes that should be early-binding */
1811	compiler->new_php.have_early_binding = 0;
1812	{
1813	zend_uint i;
1814	for (i = 0; i < compiler->new_php.classinfo_cnt; i ++) {
1815	compiler->new_php.classinfos[i].oplineno = -1;
1816	}
1817	}
1818
1819	xc_undo_pass_two(compiler->new_php.op_array TSRMLS_CC);
1820	xc_foreach_early_binding_class(compiler->new_php.op_array, xc_cache_early_binding_class_cb, (void *) &compiler->new_php TSRMLS_CC);
1821	xc_redo_pass_two(compiler->new_php.op_array TSRMLS_CC);
1822	/* }}} */
1823	#endif
1824
1825	return;
1826
1827	err_alloc:
1828	xc_free_php(&compiler->new_php TSRMLS_CC);
1829
1830	err_bailout:
1831	err_op_array:
1832
1833	if (catched) {
1834	zend_bailout();
1835	}
1836	}
1837	/* }}} */
1838	static zend_op_array xc_compile_restore(xc_entry_php_t stored_entry, xc_entry_data_php_t stored_php TSRMLS_DC) / {{{ */
1839	{
1840	zend_op_array *op_array;
1841	xc_entry_php_t restored_entry;
1842	xc_entry_data_php_t restored_php;
1843	zend_bool catched;
1844	zend_uint i;
1845
1846	/* still needed because in zend_language_scanner.l, require()/include() check file_handle.handle.stream.handle */
1847	i = 1;
1848	zend_hash_add(&EG(included_files), stored_entry->entry.name.str.val, stored_entry->entry.name.str.len + 1, (void *)&i, sizeof(int), NULL);
1849
1850	CG(in_compilation) = 1;
1851	CG(compiled_filename) = stored_entry->entry.name.str.val;
1852	CG(zend_lineno) = 0;
1853	TRACE("restoring %d:%s", stored_entry->file_inode, stored_entry->entry.name.str.val);
1854	xc_processor_restore_xc_entry_php_t(&restored_entry, stored_entry TSRMLS_CC);
1855	xc_processor_restore_xc_entry_data_php_t(stored_entry, &restored_php, stored_php, xc_readonly_protection TSRMLS_CC);
1856	restored_entry.php = &restored_php;
1857	#ifdef SHOW_DPRINT
1858	xc_dprint(&restored_entry, 0 TSRMLS_CC);
1859	#endif
1860
1861	catched = 0;
1862	zend_try {
1863	op_array = xc_entry_install(&restored_entry TSRMLS_CC);
1864	} zend_catch {
1865	catched = 1;
1866	} zend_end_try();
1867
1868	#ifdef HAVE_XCACHE_CONSTANT
1869	if (restored_php.constinfos) {
1870	efree(restored_php.constinfos);
1871	}
1872	#endif
1873	if (restored_php.funcinfos) {
1874	efree(restored_php.funcinfos);
1875	}
1876	if (restored_php.classinfos) {
1877	efree(restored_php.classinfos);
1878	}
1879
1880	if (catched) {
1881	zend_bailout();
1882	}
1883	CG(in_compilation) = 0;
1884	CG(compiled_filename) = NULL;
1885	TRACE("restored %d:%s", stored_entry->file_inode, stored_entry->entry.name.str.val);
1886	return op_array;
1887	}
1888	/* }}} */
1889	static zend_op_array xc_check_initial_compile_file(zend_file_handle h, int type TSRMLS_DC) /* {{{ */
1890	{
1891	XG(initial_compile_file_called) = 1;
1892	return origin_compile_file(h, type TSRMLS_CC);
1893	}
1894	/* }}} */
1895	typedef struct xc_sandboxed_compiler_t { /* {{{ */
1896	xc_compiler_t *compiler;
1897	/* input */
1898	zend_file_handle *h;
1899	int type;
1900
1901	/* sandbox output */
1902	xc_entry_php_t *stored_entry;
1903	xc_entry_data_php_t *stored_php;
1904	} xc_sandboxed_compiler_t; /* {{{ */
1905
1906	static zend_op_array xc_compile_file_sandboxed(void data TSRMLS_DC) /* {{{ */
1907	{
1908	xc_sandboxed_compiler_t sandboxed_compiler = (xc_sandboxed_compiler_t ) data;
1909	xc_compiler_t *compiler = sandboxed_compiler->compiler;
1910	zend_bool catched = 0;
1911	xc_cache_t *cache = xc_php_caches[compiler->entry_hash.cacheid];
1912	xc_entry_php_t *stored_entry;
1913	xc_entry_data_php_t *stored_php;
1914
1915	/* {{{ compile */
1916	/* make compile inside sandbox */
1917	#ifdef HAVE_XCACHE_CONSTANT
1918	compiler->new_php.constinfos = NULL;
1919	#endif
1920	compiler->new_php.funcinfos = NULL;
1921	compiler->new_php.classinfos = NULL;
1922	#ifdef ZEND_ENGINE_2_1
1923	compiler->new_php.autoglobals = NULL;
1924	#endif
1925	memset(&compiler->new_php.op_array_info, 0, sizeof(compiler->new_php.op_array_info));
1926
1927	XG(initial_compile_file_called) = 0;
1928	zend_try {
1929	compiler->new_php.op_array = NULL;
1930	xc_compile_php(compiler, sandboxed_compiler->h, sandboxed_compiler->type TSRMLS_CC);
1931	} zend_catch {
1932	catched = 1;
1933	} zend_end_try();
1934
1935	if (catched
1936	\|\| !compiler->new_php.op_array /* possible ? */
1937	\|\| !XG(initial_compile_file_called)) {
1938	goto err_aftersandbox;
1939	}
1940
1941	/* }}} */
1942	#ifdef SHOW_DPRINT
1943	compiler->new_entry.php = &compiler->new_php;
1944	xc_dprint(&compiler->new_entry, 0 TSRMLS_CC);
1945	#endif
1946
1947	stored_entry = NULL;
1948	stored_php = NULL;
1949	ENTER_LOCK_EX(cache) { /* {{{ php_store/entry_store */
1950	/* php_store */
1951	stored_php = xc_php_store_unlocked(cache, &compiler->new_php TSRMLS_CC);
1952	if (!stored_php) {
1953	/* error */
1954	break;
1955	}
1956	/* entry_store */
1957	compiler->new_entry.php = stored_php;
1958	stored_entry = xc_entry_php_store_unlocked(cache, compiler->entry_hash.entryslotid, &compiler->new_entry TSRMLS_CC);
1959	if (stored_entry) {
1960	xc_php_addref_unlocked(stored_php);
1961	TRACE(" cached %d:%s, holding", compiler->new_entry.file_inode, stored_entry->entry.name.str.val);
1962	xc_entry_hold_php_unlocked(cache, stored_entry TSRMLS_CC);
1963	}
1964	} LEAVE_LOCK_EX(cache);
1965	/* }}} */
1966	TRACE("%s", stored_entry ? "stored" : "store failed");
1967
1968	if (catched \|\| !stored_php) {
1969	goto err_aftersandbox;
1970	}
1971
1972	cache->compiling = 0;
1973	xc_free_php(&compiler->new_php TSRMLS_CC);
1974
1975	if (stored_entry) {
1976	sandboxed_compiler->stored_entry = stored_entry;
1977	sandboxed_compiler->stored_php = stored_php;
1978	/* discard newly compiled result, restore from stored one */
1979	if (compiler->new_php.op_array) {
1980	#ifdef ZEND_ENGINE_2
1981	destroy_op_array(compiler->new_php.op_array TSRMLS_CC);
1982	#else
1983	destroy_op_array(compiler->new_php.op_array);
1984	#endif
1985	efree(compiler->new_php.op_array);
1986	compiler->new_php.op_array = NULL;
1987	}
1988	return NULL;
1989	}
1990	else {
1991	return compiler->new_php.op_array;
1992	}
1993
1994	err_aftersandbox:
1995	xc_free_php(&compiler->new_php TSRMLS_CC);
1996
1997	cache->compiling = 0;
1998	if (catched) {
1999	cache->errors ++;
2000	zend_bailout();
2001	}
2002	return compiler->new_php.op_array;
2003	} /* }}} */
2004	static zend_op_array xc_compile_file_cached(xc_compiler_t compiler, zend_file_handle h, int type TSRMLS_DC) / {{{ */
2005	{
2006	/*
2007	if (clog) {
2008	return old;
2009	}
2010
2011	if (cached_entry = getby entry_hash) {
2012	php = cached_entry.php;
2013	php = restore(php);
2014	return php;
2015	}
2016	else {
2017	if (!(php = getby md5)) {
2018	if (clog) {
2019	return old;
2020	}
2021
2022	inside_sandbox {
2023	php = compile;
2024	entry = create entries[entry];
2025	}
2026	}
2027
2028	entry.php = php;
2029	return php;
2030	}
2031	*/
2032
2033	xc_entry_php_t *stored_entry;
2034	xc_entry_data_php_t *stored_php;
2035	zend_bool gaveup = 0;
2036	zend_bool catched = 0;
2037	zend_op_array *op_array;
2038	xc_cache_t *cache = xc_php_caches[compiler->entry_hash.cacheid];
2039	xc_sandboxed_compiler_t sandboxed_compiler;
2040
2041	/* stale clogs precheck */
2042	if (XG(request_time) - cache->compiling < 30) {
2043	cache->clogs ++;
2044	return old_compile_file(h, type TSRMLS_CC);
2045	}
2046
2047	/* {{{ entry_lookup/hit/md5_init/php_lookup */
2048	stored_entry = NULL;
2049	stored_php = NULL;
2050
2051	ENTER_LOCK_EX(cache) {
2052	if (!compiler->opened_path && xc_entry_resolve_path_unlocked(compiler, compiler->filename, &stored_entry TSRMLS_CC) == SUCCESS) {
2053	compiler->opened_path = compiler->new_entry.entry.name.str.val;
2054	}
2055	else {
2056	if (!compiler->opened_path && xc_entry_php_resolve_opened_path(compiler, NULL TSRMLS_CC) != SUCCESS) {
2057	gaveup = 1;
2058	break;
2059	}
2060
2061	/* finalize name */
2062	compiler->new_entry.entry.name.str.val = (char *) compiler->opened_path;
2063	compiler->new_entry.entry.name.str.len = strlen(compiler->new_entry.entry.name.str.val);
2064
2065	stored_entry = (xc_entry_php_t ) xc_entry_find_unlocked(XC_TYPE_PHP, cache, compiler->entry_hash.entryslotid, (xc_entry_t ) &compiler->new_entry TSRMLS_CC);
2066	}
2067
2068	if (stored_entry) {
2069	xc_cache_hit_unlocked(cache TSRMLS_CC);
2070
2071	TRACE(" hit %d:%s, holding", compiler->new_entry.file_inode, stored_entry->entry.name.str.val);
2072	xc_entry_hold_php_unlocked(cache, stored_entry TSRMLS_CC);
2073	stored_php = stored_entry->php;
2074	break;
2075	}
2076
2077	TRACE("miss entry %d:%s", compiler->new_entry.file_inode, compiler->new_entry.entry.name.str.val);
2078
2079	if (xc_entry_data_php_init_md5(cache, compiler TSRMLS_CC) != SUCCESS) {
2080	gaveup = 1;
2081	break;
2082	}
2083
2084	stored_php = xc_php_find_unlocked(cache, &compiler->new_php TSRMLS_CC);
2085
2086	if (stored_php) {
2087	compiler->new_entry.php = stored_php;
2088	xc_entry_php_init(&compiler->new_entry, compiler->opened_path TSRMLS_CC);
2089	stored_entry = xc_entry_php_store_unlocked(cache, compiler->entry_hash.entryslotid, &compiler->new_entry TSRMLS_CC);
2090	if (stored_entry) {
2091	xc_php_addref_unlocked(stored_php);
2092	TRACE(" cached %d:%s, holding", compiler->new_entry.file_inode, stored_entry->entry.name.str.val);
2093	xc_entry_hold_php_unlocked(cache, stored_entry TSRMLS_CC);
2094	}
2095	else {
2096	gaveup = 1;
2097	}
2098	break;
2099	}
2100
2101	if (XG(request_time) - cache->compiling < 30) {
2102	TRACE("%s", "miss php, but compiling");
2103	cache->clogs ++;
2104	gaveup = 1;
2105	break;
2106	}
2107
2108	TRACE("%s", "miss php, going to compile");
2109	cache->compiling = XG(request_time);
2110	} LEAVE_LOCK_EX(cache);
2111
2112	if (catched) {
2113	cache->compiling = 0;
2114	zend_bailout();
2115	}
2116
2117	/* found entry */
2118	if (stored_entry && stored_php) {
2119	zend_llist_add_element(&CG(open_files), h);
2120	return xc_compile_restore(stored_entry, stored_php TSRMLS_CC);
2121	}
2122
2123	/* gaveup */
2124	if (gaveup) {
2125	return old_compile_file(h, type TSRMLS_CC);
2126	}
2127	/* }}} */
2128
2129	sandboxed_compiler.compiler = compiler;
2130	sandboxed_compiler.h = h;
2131	sandboxed_compiler.type = type;
2132	sandboxed_compiler.stored_php = NULL;
2133	sandboxed_compiler.stored_entry = NULL;
2134	op_array = xc_sandbox(xc_compile_file_sandboxed, (void *) &sandboxed_compiler, h->opened_path ? h->opened_path : h->filename TSRMLS_CC);
2135	if (sandboxed_compiler.stored_entry) {
2136	return xc_compile_restore(sandboxed_compiler.stored_entry, sandboxed_compiler.stored_php TSRMLS_CC);
2137	}
2138	else {
2139	return op_array;
2140	}
2141	}
2142	/* }}} */
2143	static zend_op_array xc_compile_file(zend_file_handle h, int type TSRMLS_DC) /* {{{ */
2144	{
2145	xc_compiler_t compiler;
2146	zend_op_array *op_array;
2147
2148	assert(xc_initized);
2149
2150	TRACE("xc_compile_file: type=%d name=%s", h->type, h->filename ? h->filename : "NULL");
2151
2152	if (!XG(cacher)
2153	\|\| !h->filename
2154	\|\| !SG(request_info).path_translated
2155	\|\| strstr(h->filename, "://") != NULL
2156	#ifdef ZEND_ENGINE_2_3
2157	/* supported by php_resolve_path */
2158	\|\| (!XG(stat) && strstr(PG(include_path), "://") != NULL)
2159	#else
2160	\|\| strstr(PG(include_path), "://") != NULL
2161	#endif
2162	\|\| xc_shm \|\| xc_shm->disabled
2163	) {
2164	TRACE("%s", "cacher not enabled");
2165	return old_compile_file(h, type TSRMLS_CC);
2166	}
2167
2168	/* {{{ entry_init_key */
2169	compiler.opened_path = h->opened_path;
2170	compiler.filename = compiler.opened_path ? compiler.opened_path : h->filename;
2171	compiler.filename_len = strlen(compiler.filename);
2172	if (xc_entry_php_init_key(&compiler TSRMLS_CC) != SUCCESS) {
2173	TRACE("failed to init key for %s", compiler.filename);
2174	return old_compile_file(h, type TSRMLS_CC);
2175	}
2176	/* }}} */
2177
2178	op_array = xc_compile_file_cached(&compiler, h, type TSRMLS_CC);
2179
2180	xc_entry_free_key_php(&compiler.new_entry TSRMLS_CC);
2181
2182	return op_array;
2183	}
2184	/* }}} */
2185
2186	/* gdb helper functions, but N/A for coredump */
2187	int xc_is_rw(const void p) / {{{ */
2188	{
2189	xc_shm_t *shm;
2190	size_t i;
2191
2192	if (xc_php_caches) {
2193	for (i = 0; i < xc_php_hcache.size; i ++) {
2194	shm = xc_php_caches[i]->shm;
2195	if (shm->handlers->is_readwrite(shm, p)) {
2196	return 1;
2197	}
2198	}
2199	}
2200
2201	if (xc_var_caches) {
2202	for (i = 0; i < xc_var_hcache.size; i ++) {
2203	shm = xc_var_caches[i]->shm;
2204	if (shm->handlers->is_readwrite(shm, p)) {
2205	return 1;
2206	}
2207	}
2208	}
2209	return 0;
2210	}
2211	/* }}} */
2212	int xc_is_ro(const void p) / {{{ */
2213	{
2214	xc_shm_t *shm;
2215	size_t i;
2216
2217	if (xc_php_caches) {
2218	for (i = 0; i < xc_php_hcache.size; i ++) {
2219	shm = xc_php_caches[i]->shm;
2220	if (shm->handlers->is_readonly(shm, p)) {
2221	return 1;
2222	}
2223	}
2224	}
2225
2226	if (xc_var_caches) {
2227	for (i = 0; i < xc_var_hcache.size; i ++) {
2228	shm = xc_var_caches[i]->shm;
2229	if (shm->handlers->is_readonly(shm, p)) {
2230	return 1;
2231	}
2232	}
2233	}
2234	return 0;
2235	}
2236	/* }}} */
2237	int xc_is_shm(const void p) / {{{ */
2238	{
2239	return xc_is_ro(p) \|\| xc_is_rw(p);
2240	}
2241	/* }}} */
2242
2243	void xc_gc_add_op_array(xc_gc_op_array_t gc_op_array TSRMLS_DC) / {{{ */
2244	{
2245	zend_llist_add_element(&XG(gc_op_arrays), (void *) gc_op_array);
2246	}
2247	/* }}} */
2248	static void xc_gc_op_array(void pDest) / {{{ */
2249	{
2250	xc_gc_op_array_t op_array = (xc_gc_op_array_t ) pDest;
2251	zend_uint i;
2252	#ifdef ZEND_ENGINE_2
2253	if (op_array->arg_info) {
2254	for (i = 0; i < op_array->num_args; i++) {
2255	efree((char *) ZSTR_V(op_array->arg_info[i].name));
2256	if (ZSTR_V(op_array->arg_info[i].class_name)) {
2257	efree((char *) ZSTR_V(op_array->arg_info[i].class_name));
2258	}
2259	}
2260	efree(op_array->arg_info);
2261	}
2262	#endif
2263	if (op_array->opcodes) {
2264	efree(op_array->opcodes);
2265	}
2266	}
2267	/* }}} */
2268
2269	/* module helper function */
2270	static int xc_init_constant(int module_number TSRMLS_DC) /* {{{ */
2271	{
2272	typedef struct {
2273	const char *prefix;
2274	zend_uchar (*getsize)();
2275	const char (get)(zend_uchar i);
2276	} xc_meminfo_t;
2277	xc_meminfo_t nameinfos[] = {
2278	{ "", xc_get_op_type_count, xc_get_op_type },
2279	{ "", xc_get_data_type_count, xc_get_data_type },
2280	{ "", xc_get_opcode_count, xc_get_opcode },
2281	{ "OPSPEC_", xc_get_op_spec_count, xc_get_op_spec },
2282	{ NULL, NULL, NULL }
2283	};
2284	xc_meminfo_t* p;
2285	zend_uchar i, count;
2286	char const_name[96];
2287	int const_name_len;
2288	int undefdone = 0;
2289
2290	for (p = nameinfos; p->getsize; p ++) {
2291	count = p->getsize();
2292	for (i = 0; i < count; i ++) {
2293	const char *name = p->get(i);
2294	if (!name) continue;
2295	if (strcmp(name, "UNDEF") == 0) {
2296	if (undefdone) continue;
2297	undefdone = 1;
2298	}
2299	const_name_len = snprintf(const_name, sizeof(const_name), "XC_%s%s", p->prefix, name);
2300	zend_register_long_constant(const_name, const_name_len+1, i, CONST_CS \| CONST_PERSISTENT, module_number TSRMLS_CC);
2301	}
2302	}
2303
2304	zend_register_long_constant(ZEND_STRS("XC_SIZEOF_TEMP_VARIABLE"), sizeof(temp_variable), CONST_CS \| CONST_PERSISTENT, module_number TSRMLS_CC);
2305	zend_register_long_constant(ZEND_STRS("XC_TYPE_PHP"), XC_TYPE_PHP, CONST_CS \| CONST_PERSISTENT, module_number TSRMLS_CC);
2306	zend_register_long_constant(ZEND_STRS("XC_TYPE_VAR"), XC_TYPE_VAR, CONST_CS \| CONST_PERSISTENT, module_number TSRMLS_CC);
2307	zend_register_stringl_constant(ZEND_STRS("XCACHE_VERSION"), ZEND_STRL(XCACHE_VERSION), CONST_CS \| CONST_PERSISTENT, module_number TSRMLS_CC);
2308	zend_register_stringl_constant(ZEND_STRS("XCACHE_MODULES"), ZEND_STRL(XCACHE_MODULES), CONST_CS \| CONST_PERSISTENT, module_number TSRMLS_CC);
2309	return 0;
2310	}
2311	/* }}} */
2312	static void xc_cache_destroy(xc_cache_t *caches, xc_hash_t hcache) /* {{{ */
2313	{
2314	size_t i;
2315	xc_cache_t *cache;
2316
2317	if (!caches) {
2318	return;
2319	}
2320
2321	for (i = 0; i < hcache->size; i ++) {
2322	cache = caches[i];
2323	if (cache) {
2324	if (cache->lck) {
2325	xc_lock_destroy(cache->lck);
2326	}
2327	/* do NOT free
2328	if (cache->entries) {
2329	cache->mem->handlers->free(cache->mem, cache->entries);
2330	}
2331	cache->mem->handlers->free(cache->mem, cache);
2332	*/
2333	cache->shm->handlers->memdestroy(cache->mem);
2334	}
2335	}
2336	free(caches);
2337	}
2338	/* }}} */
2339	static xc_cache_t *xc_cache_init(xc_shm_t shm, xc_hash_t hcache, xc_hash_t hentry, xc_hash_t hphp, xc_shmsize_t shmsize) / {{{ */
2340	{
2341	xc_cache_t *caches = NULL, cache;
2342	xc_mem_t *mem;
2343	time_t now = time(NULL);
2344	size_t i;
2345	xc_memsize_t memsize;
2346
2347	memsize = shmsize / hcache->size;
2348
2349	/* Don't let it break out of mem after ALIGNed
2350	* This is important for
2351	* Simply loop until it fit our need
2352	*/
2353	while (ALIGN(memsize) * hcache->size > shmsize && ALIGN(memsize) != memsize) {
2354	if (memsize < ALIGN(1)) {
2355	CHECK(NULL, "cache too small");
2356	}
2357	memsize --;
2358	}
2359
2360	CHECK(caches = calloc(hcache->size, sizeof(xc_cache_t *)), "caches OOM");
2361
2362	for (i = 0; i < hcache->size; i ++) {
2363	CHECK(mem = shm->handlers->meminit(shm, memsize), "Failed init memory allocator");
2364	CHECK(cache = mem->handlers->calloc(mem, 1, sizeof(xc_cache_t)), "cache OOM");
2365	CHECK(cache->entries = mem->handlers->calloc(mem, hentry->size, sizeof(xc_entry_t*)), "entries OOM");
2366	if (hphp) {
2367	CHECK(cache->phps= mem->handlers->calloc(mem, hphp->size, sizeof(xc_entry_data_php_t*)), "phps OOM");
2368	}
2369	CHECK(cache->lck = xc_lock_init(NULL), "can't create lock");
2370
2371	cache->hcache = hcache;
2372	cache->hentry = hentry;
2373	cache->hphp = hphp;
2374	cache->shm = shm;
2375	cache->mem = mem;
2376	cache->cacheid = i;
2377	cache->last_gc_deletes = now;
2378	cache->last_gc_expires = now;
2379	caches[i] = cache;
2380	}
2381	return caches;
2382
2383	err:
2384	if (caches) {
2385	xc_cache_destroy(caches, hcache);
2386	}
2387	return NULL;
2388	}
2389	/* }}} */
2390	static void xc_destroy() /* {{{ */
2391	{
2392	if (old_compile_file) {
2393	zend_compile_file = old_compile_file;
2394	old_compile_file = NULL;
2395	}
2396
2397	if (origin_compile_file) {
2398	zend_compile_file = origin_compile_file;
2399	origin_compile_file = NULL;
2400	}
2401
2402	if (xc_php_caches) {
2403	xc_cache_destroy(xc_php_caches, &xc_php_hcache);
2404	xc_php_caches = NULL;
2405	}
2406
2407	if (xc_var_caches) {
2408	xc_cache_destroy(xc_var_caches, &xc_var_hcache);
2409	xc_var_caches = NULL;
2410	}
2411
2412	if (xc_shm) {
2413	xc_shm_destroy(xc_shm);
2414	xc_shm = NULL;
2415	}
2416
2417	xc_initized = 0;
2418	}
2419	/* }}} */
2420	static int xc_init(int module_number TSRMLS_DC) /* {{{ */
2421	{
2422	xc_shmsize_t shmsize = ALIGN(xc_php_size) + ALIGN(xc_var_size);
2423
2424	xc_php_caches = xc_var_caches = NULL;
2425	xc_shm = NULL;
2426
2427	if (shmsize < (size_t) xc_php_size \|\| shmsize < (size_t) xc_var_size) {
2428	zend_error(E_ERROR, "XCache: neither xcache.size nor xcache.var_size can be negative");
2429	goto err;
2430	}
2431
2432	if (xc_php_size \|\| xc_var_size) {
2433	CHECK(xc_shm = xc_shm_init(xc_shm_scheme, shmsize, xc_readonly_protection, xc_mmap_path, NULL), "Cannot create shm");
2434	if (!xc_shm->handlers->can_readonly(xc_shm)) {
2435	xc_readonly_protection = 0;
2436	}
2437
2438	if (xc_php_size) {
2439	old_compile_file = zend_compile_file;
2440	zend_compile_file = xc_compile_file;
2441
2442	CHECK(xc_php_caches = xc_cache_init(xc_shm, &xc_php_hcache, &xc_php_hentry, &xc_php_hentry, xc_php_size), "failed init opcode cache");
2443	}
2444
2445	if (xc_var_size) {
2446	CHECK(xc_var_caches = xc_cache_init(xc_shm, &xc_var_hcache, &xc_var_hentry, NULL, xc_var_size), "failed init variable cache");
2447	}
2448	}
2449	return SUCCESS;
2450
2451	err:
2452	if (xc_php_caches \|\| xc_var_caches) {
2453	xc_destroy();
2454	/* shm destroied in xc_destroy() */
2455	}
2456	else if (xc_shm) {
2457	xc_destroy();
2458	xc_shm_destroy(xc_shm);
2459	xc_shm = NULL;
2460	}
2461	return 0;
2462	}
2463	/* }}} */
2464	static void xc_request_init(TSRMLS_D) /* {{{ */
2465	{
2466	size_t i;
2467
2468	if (!XG(internal_table_copied)) {
2469	zend_function tmp_func;
2470	xc_cest_t tmp_cest;
2471
2472	#ifdef HAVE_XCACHE_CONSTANT
2473	zend_hash_destroy(&XG(internal_constant_table));
2474	#endif
2475	zend_hash_destroy(&XG(internal_function_table));
2476	zend_hash_destroy(&XG(internal_class_table));
2477
2478	#ifdef HAVE_XCACHE_CONSTANT
2479	zend_hash_init_ex(&XG(internal_constant_table), 20, NULL, (dtor_func_t) xc_zend_constant_dtor, 1, 0);
2480	#endif
2481	zend_hash_init_ex(&XG(internal_function_table), 100, NULL, NULL, 1, 0);
2482	zend_hash_init_ex(&XG(internal_class_table), 10, NULL, NULL, 1, 0);
2483
2484	#ifdef HAVE_XCACHE_CONSTANT
2485	xc_copy_internal_zend_constants(&XG(internal_constant_table), EG(zend_constants));
2486	#endif
2487	zend_hash_copy(&XG(internal_function_table), CG(function_table), NULL, &tmp_func, sizeof(tmp_func));
2488	zend_hash_copy(&XG(internal_class_table), CG(class_table), NULL, &tmp_cest, sizeof(tmp_cest));
2489
2490	XG(internal_table_copied) = 1;
2491	}
2492	if (xc_php_caches && !XG(php_holds)) {
2493	XG(php_holds) = calloc(xc_php_hcache.size, sizeof(xc_stack_t));
2494	for (i = 0; i < xc_php_hcache.size; i ++) {
2495	xc_stack_init(&XG(php_holds[i]));
2496	}
2497	}
2498
2499	if (xc_var_caches && !XG(var_holds)) {
2500	XG(var_holds) = calloc(xc_var_hcache.size, sizeof(xc_stack_t));
2501	for (i = 0; i < xc_var_hcache.size; i ++) {
2502	xc_stack_init(&XG(var_holds[i]));
2503	}
2504	}
2505
2506	#ifdef ZEND_ENGINE_2
2507	zend_llist_init(&XG(gc_op_arrays), sizeof(xc_gc_op_array_t), xc_gc_op_array, 0);
2508	#endif
2509
2510	#if PHP_API_VERSION <= 20041225
2511	XG(request_time) = time(NULL);
2512	#else
2513	XG(request_time) = sapi_get_request_time(TSRMLS_C);
2514	#endif
2515
2516	#ifdef HAVE_XCACHE_COVERAGER
2517	xc_coverager_request_init(TSRMLS_C);
2518	#endif
2519	}
2520	/* }}} */
2521	static void xc_request_shutdown(TSRMLS_D) /* {{{ */
2522	{
2523	if (xc_shm && !xc_shm->disabled) {
2524	xc_entry_unholds(TSRMLS_C);
2525	xc_gc_expires_php(TSRMLS_C);
2526	xc_gc_expires_var(TSRMLS_C);
2527	xc_gc_deletes(TSRMLS_C);
2528	}
2529	#ifdef ZEND_ENGINE_2
2530	zend_llist_destroy(&XG(gc_op_arrays));
2531	#endif
2532	#ifdef HAVE_XCACHE_COVERAGER
2533	xc_coverager_request_shutdown(TSRMLS_C);
2534	#endif
2535	}
2536	/* }}} */
2537	/* {{{ PHP_GINIT_FUNCTION(xcache) */
2538	static
2539	#ifdef PHP_GINIT_FUNCTION
2540	PHP_GINIT_FUNCTION(xcache)
2541	#else
2542	void xc_init_globals(zend_xcache_globals* xcache_globals TSRMLS_DC)
2543	#endif
2544	{
2545	memset(xcache_globals, 0, sizeof(zend_xcache_globals));
2546
2547	#ifdef HAVE_XCACHE_CONSTANT
2548	zend_hash_init_ex(&xcache_globals->internal_constant_table, 1, NULL, (dtor_func_t) xc_zend_constant_dtor, 1, 0);
2549	#endif
2550	zend_hash_init_ex(&xcache_globals->internal_function_table, 1, NULL, NULL, 1, 0);
2551	zend_hash_init_ex(&xcache_globals->internal_class_table, 1, NULL, NULL, 1, 0);
2552	}
2553	/* }}} */
2554	/* {{{ PHP_GSHUTDOWN_FUNCTION(xcache) */
2555	static
2556	#ifdef PHP_GSHUTDOWN_FUNCTION
2557	PHP_GSHUTDOWN_FUNCTION(xcache)
2558	#else
2559	void xc_shutdown_globals(zend_xcache_globals* xcache_globals TSRMLS_DC)
2560	#endif
2561	{
2562	size_t i;
2563
2564	if (xcache_globals->php_holds != NULL) {
2565	for (i = 0; i < xc_php_hcache.size; i ++) {
2566	xc_stack_destroy(&xcache_globals->php_holds[i]);
2567	}
2568	free(xcache_globals->php_holds);
2569	xcache_globals->php_holds = NULL;
2570	}
2571
2572	if (xcache_globals->var_holds != NULL) {
2573	for (i = 0; i < xc_var_hcache.size; i ++) {
2574	xc_stack_destroy(&xcache_globals->var_holds[i]);
2575	}
2576	free(xcache_globals->var_holds);
2577	xcache_globals->var_holds = NULL;
2578	}
2579
2580	if (xcache_globals->internal_table_copied) {
2581	#ifdef HAVE_XCACHE_CONSTANT
2582	zend_hash_destroy(&xcache_globals->internal_constant_table);
2583	#endif
2584	zend_hash_destroy(&xcache_globals->internal_function_table);
2585	zend_hash_destroy(&xcache_globals->internal_class_table);
2586	}
2587	}
2588	/* }}} */
2589
2590	/* user functions */
2591	static int xcache_admin_auth_check(TSRMLS_D) /* {{{ */
2592	{
2593	zval **server = NULL;
2594	zval **user = NULL;
2595	zval **pass = NULL;
2596	char *admin_user = NULL;
2597	char *admin_pass = NULL;
2598	HashTable *ht;
2599
2600	/* auth disabled, nothing to do.. */
2601	if (!XG(auth_enabled)) {
2602	return 1;
2603	}
2604
2605	if (cfg_get_string("xcache.admin.user", &admin_user) == FAILURE \|\| !admin_user[0]) {
2606	admin_user = NULL;
2607	}
2608	if (cfg_get_string("xcache.admin.pass", &admin_pass) == FAILURE \|\| !admin_pass[0]) {
2609	admin_pass = NULL;
2610	}
2611
2612	if (admin_user == NULL \|\| admin_pass == NULL) {
2613	php_error_docref(XCACHE_WIKI_URL "/InstallAdministration" TSRMLS_CC, E_ERROR,
2614	"xcache.admin.user and/or xcache.admin.pass settings is not configured."
2615	" Make sure you've modified the correct php ini file for your php used in webserver.");
2616	zend_bailout();
2617	}
2618	if (strlen(admin_pass) != 32) {
2619	php_error_docref(NULL TSRMLS_CC, E_ERROR, "xcache.admin.pass is %lu chars unexpectedly, it is supposed to be the password after md5() which should be 32 chars", (unsigned long) strlen(admin_pass));
2620	zend_bailout();
2621	}
2622
2623	#ifdef ZEND_ENGINE_2_1
2624	zend_is_auto_global("_SERVER", sizeof("_SERVER") - 1 TSRMLS_CC);
2625	#endif
2626	if (zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &server) != SUCCESS \|\| Z_TYPE_PP(server) != IS_ARRAY) {
2627	php_error_docref(NULL TSRMLS_CC, E_ERROR, "_SERVER is corrupted");
2628	zend_bailout();
2629	}
2630	ht = HASH_OF((*server));
2631
2632	if (zend_hash_find(ht, "PHP_AUTH_USER", sizeof("PHP_AUTH_USER"), (void **) &user) == FAILURE) {
2633	user = NULL;
2634	}
2635	else if (Z_TYPE_PP(user) != IS_STRING) {
2636	user = NULL;
2637	}
2638
2639	if (zend_hash_find(ht, "PHP_AUTH_PW", sizeof("PHP_AUTH_PW"), (void **) &pass) == FAILURE) {
2640	pass = NULL;
2641	}
2642	else if (Z_TYPE_PP(pass) != IS_STRING) {
2643	pass = NULL;
2644	}
2645
2646	if (user != NULL && pass != NULL && strcmp(admin_user, Z_STRVAL_PP(user)) == 0) {
2647	PHP_MD5_CTX context;
2648	char md5str[33];
2649	unsigned char digest[16];
2650
2651	PHP_MD5Init(&context);
2652	PHP_MD5Update(&context, (unsigned char *) Z_STRVAL_PP(pass), Z_STRLEN_PP(pass));
2653	PHP_MD5Final(digest, &context);
2654
2655	md5str[0] = '\0';
2656	make_digest(md5str, digest);
2657	if (strcmp(admin_pass, md5str) == 0) {
2658	return 1;
2659	}
2660	}
2661
2662	#define STR "HTTP/1.0 401 Unauthorized"
2663	sapi_add_header_ex(STR, sizeof(STR) - 1, 1, 1 TSRMLS_CC);
2664	#undef STR
2665	#define STR "WWW-authenticate: Basic Realm=\"XCache Administration\""
2666	sapi_add_header_ex(STR, sizeof(STR) - 1, 1, 1 TSRMLS_CC);
2667	#undef STR
2668	#define STR "Content-type: text/html; charset=UTF-8"
2669	sapi_add_header_ex(STR, sizeof(STR) - 1, 1, 1 TSRMLS_CC);
2670	#undef STR
2671	ZEND_PUTS("<html>\n");
2672	ZEND_PUTS("<head><title>XCache Authentication Failed</title></head>\n");
2673	ZEND_PUTS("<body>\n");
2674	ZEND_PUTS("<h1>XCache Authentication Failed</h1>\n");
2675	ZEND_PUTS("<p>You're not authorized to access this page due to wrong username and/or password you typed.<br />The following check points is suggested:</p>\n");
2676	ZEND_PUTS("<ul>\n");
2677	ZEND_PUTS("<li>Be aware that `Username' and `Password' is case sense. Check capslock status led on your keyboard, and punch left/right Shift keys once for each</li>\n");
2678	ZEND_PUTS("<li>Make sure the md5 password is generated correctly. You may use <a href=\"mkpassword.php\">mkpassword.php</a></li>\n");
2679	ZEND_PUTS("<li>Reload browser cache by pressing F5 and/or Ctrl+F5, or simply clear browser cache after you've updated username/password in php ini.</li>\n");
2680	ZEND_PUTS("</ul>\n");
2681	ZEND_PUTS("Check <a href=\"" XCACHE_WIKI_URL "/InstallAdministration\">XCache wiki page</a> for more information.\n");
2682	ZEND_PUTS("</body>\n");
2683	ZEND_PUTS("</html>\n");
2684
2685	zend_bailout();
2686	return 0;
2687	}
2688	/* }}} */
2689	static void xc_clear(long type, xc_cache_t cache TSRMLS_DC) / {{{ */
2690	{
2691	xc_entry_t e, next;
2692	int entryslotid, c;
2693
2694	ENTER_LOCK(cache) {
2695	for (entryslotid = 0, c = cache->hentry->size; entryslotid < c; entryslotid ++) {
2696	for (e = cache->entries[entryslotid]; e; e = next) {
2697	next = e->next;
2698	xc_entry_remove_unlocked(type, cache, entryslotid, e TSRMLS_CC);
2699	}
2700	cache->entries[entryslotid] = NULL;
2701	}
2702	} LEAVE_LOCK(cache);
2703	} /* }}} */
2704	/* {{{ xcache_admin_operate */
2705	typedef enum { XC_OP_COUNT, XC_OP_INFO, XC_OP_LIST, XC_OP_CLEAR } xcache_op_type;
2706	static void xcache_admin_operate(xcache_op_type optype, INTERNAL_FUNCTION_PARAMETERS)
2707	{
2708	long type;
2709	int size;
2710	xc_cache_t *caches, cache;
2711	long id = 0;
2712
2713	xcache_admin_auth_check(TSRMLS_C);
2714
2715	if (!xc_initized \|\| !xc_shm \|\| xc_shm->disabled) {
2716	RETURN_NULL();
2717	}
2718
2719	switch (optype) {
2720	case XC_OP_COUNT:
2721	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &type) == FAILURE) {
2722	return;
2723	}
2724	break;
2725	case XC_OP_CLEAR:
2726	id = -1;
2727	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l\|l", &type, &id) == FAILURE) {
2728	return;
2729	}
2730	break;
2731	default:
2732	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &type, &id) == FAILURE) {
2733	return;
2734	}
2735	}
2736
2737	switch (type) {
2738	case XC_TYPE_PHP:
2739	size = xc_php_hcache.size;
2740	caches = xc_php_caches;
2741	break;
2742
2743	case XC_TYPE_VAR:
2744	size = xc_var_hcache.size;
2745	caches = xc_var_caches;
2746	break;
2747
2748	default:
2749	php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown type %ld", type);
2750	RETURN_FALSE;
2751	}
2752
2753	switch (optype) {
2754	case XC_OP_COUNT:
2755	RETURN_LONG(caches ? size : 0)
2756	break;
2757
2758	case XC_OP_INFO:
2759	case XC_OP_LIST:
2760	if (!caches \|\| id < 0 \|\| id >= size) {
2761	php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cache not exists");
2762	RETURN_FALSE;
2763	}
2764
2765	array_init(return_value);
2766
2767	cache = caches[id];
2768	ENTER_LOCK(cache) {
2769	if (optype == XC_OP_INFO) {
2770	xc_fillinfo_unlocked(type, cache, return_value TSRMLS_CC);
2771	}
2772	else {
2773	xc_filllist_unlocked(type, cache, return_value TSRMLS_CC);
2774	}
2775	} LEAVE_LOCK(cache);
2776	break;
2777
2778	case XC_OP_CLEAR:
2779	if (!caches \|\| id < -1 \|\| id >= size) {
2780	php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cache not exists");
2781	RETURN_FALSE;
2782	}
2783
2784	if (id == -1) {
2785	for (id = 0; id < size; ++id) {
2786	xc_clear(type, caches[id] TSRMLS_CC);
2787	}
2788	}
2789	else {
2790	xc_clear(type, caches[id] TSRMLS_CC);
2791	}
2792
2793	xc_gc_deletes(TSRMLS_C);
2794	break;
2795
2796	default:
2797	assert(0);
2798	}
2799	}
2800	/* }}} */
2801	/* {{{ proto int xcache_count(int type)
2802	Return count of cache on specified cache type */
2803	PHP_FUNCTION(xcache_count)
2804	{
2805	xcache_admin_operate(XC_OP_COUNT, INTERNAL_FUNCTION_PARAM_PASSTHRU);
2806	}
2807	/* }}} */
2808	/* {{{ proto array xcache_info(int type, int id)
2809	Get cache info by id on specified cache type */
2810	PHP_FUNCTION(xcache_info)
2811	{
2812	xcache_admin_operate(XC_OP_INFO, INTERNAL_FUNCTION_PARAM_PASSTHRU);
2813	}
2814	/* }}} */
2815	/* {{{ proto array xcache_list(int type, int id)
2816	Get cache entries list by id on specified cache type */
2817	PHP_FUNCTION(xcache_list)
2818	{
2819	xcache_admin_operate(XC_OP_LIST, INTERNAL_FUNCTION_PARAM_PASSTHRU);
2820	}
2821	/* }}} */
2822	/* {{{ proto array xcache_clear_cache(int type, [ int id = -1 ])
2823	Clear cache by id on specified cache type */
2824	PHP_FUNCTION(xcache_clear_cache)
2825	{
2826	xcache_admin_operate(XC_OP_CLEAR, INTERNAL_FUNCTION_PARAM_PASSTHRU);
2827	}
2828	/* }}} */
2829
2830	#define VAR_DISABLED_WARNING() do { \
2831	php_error_docref(NULL TSRMLS_CC, E_WARNING, "XCache var cache was not initialized properly. Check php log for actual reason"); \
2832	} while (0)
2833
2834	static int xc_entry_var_init_key(xc_entry_var_t entry_var, xc_entry_hash_t entry_hash, zval name TSRMLS_DC) / {{{ */
2835	{
2836	xc_hash_value_t hv;
2837
2838	switch (name->type) {
2839	#ifdef IS_UNICODE
2840	case IS_UNICODE:
2841	case IS_STRING:
2842	#endif
2843	default:
2844	#ifdef IS_UNICODE
2845	convert_to_unicode(name);
2846	#else
2847	convert_to_string(name);
2848	#endif
2849	}
2850
2851	#ifdef IS_UNICODE
2852	entry_var->name_type = name->type;
2853	#endif
2854	entry_var->entry.name = name->value;
2855
2856	hv = xc_entry_hash_var((xc_entry_t *) entry_var TSRMLS_CC);
2857
2858	entry_hash->cacheid = (hv & xc_var_hcache.mask);
2859	hv >>= xc_var_hcache.bits;
2860	entry_hash->entryslotid = (hv & xc_var_hentry.mask);
2861	return SUCCESS;
2862	}
2863	/* }}} */
2864	/* {{{ proto mixed xcache_get(string name)
2865	Get cached data by specified name */
2866	PHP_FUNCTION(xcache_get)
2867	{
2868	xc_entry_hash_t entry_hash;
2869	xc_cache_t *cache;
2870	xc_entry_var_t entry_var, *stored_entry_var;
2871	zval *name;
2872
2873	if (!xc_var_caches \|\| !xc_shm \|\| xc_shm->disabled) {
2874	VAR_DISABLED_WARNING();
2875	RETURN_NULL();
2876	}
2877
2878	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &name) == FAILURE) {
2879	return;
2880	}
2881	xc_entry_var_init_key(&entry_var, &entry_hash, name TSRMLS_CC);
2882	cache = xc_var_caches[entry_hash.cacheid];
2883
2884	ENTER_LOCK(cache) {
2885	stored_entry_var = (xc_entry_var_t ) xc_entry_find_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t ) &entry_var TSRMLS_CC);
2886	if (stored_entry_var) {
2887	/* return */
2888	xc_processor_restore_zval(return_value, stored_entry_var->value, stored_entry_var->have_references TSRMLS_CC);
2889	xc_cache_hit_unlocked(cache TSRMLS_CC);
2890	}
2891	else {
2892	RETVAL_NULL();
2893	}
2894	} LEAVE_LOCK(cache);
2895	}
2896	/* }}} */
2897	/* {{{ proto bool xcache_set(string name, mixed value [, int ttl])
2898	Store data to cache by specified name */
2899	PHP_FUNCTION(xcache_set)
2900	{
2901	xc_entry_hash_t entry_hash;
2902	xc_cache_t *cache;
2903	xc_entry_var_t entry_var, *stored_entry_var;
2904	zval *name;
2905	zval *value;
2906
2907	if (!xc_var_caches \|\| !xc_shm \|\| xc_shm->disabled) {
2908	VAR_DISABLED_WARNING();
2909	RETURN_NULL();
2910	}
2911
2912	entry_var.entry.ttl = XG(var_ttl);
2913	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz\|l", &name, &value, &entry_var.entry.ttl) == FAILURE) {
2914	return;
2915	}
2916
2917	if (Z_TYPE_P(value) == IS_OBJECT) {
2918	php_error_docref(NULL TSRMLS_CC, E_ERROR, "Objects cannot be stored in the variable cache. Use serialize before xcache_set");
2919	RETURN_NULL();
2920	}
2921
2922	/* max ttl */
2923	if (xc_var_maxttl && (!entry_var.entry.ttl \|\| entry_var.entry.ttl > xc_var_maxttl)) {
2924	entry_var.entry.ttl = xc_var_maxttl;
2925	}
2926
2927	xc_entry_var_init_key(&entry_var, &entry_hash, name TSRMLS_CC);
2928	cache = xc_var_caches[entry_hash.cacheid];
2929
2930	ENTER_LOCK(cache) {
2931	stored_entry_var = (xc_entry_var_t ) xc_entry_find_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t ) &entry_var TSRMLS_CC);
2932	if (stored_entry_var) {
2933	xc_entry_remove_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t *) stored_entry_var TSRMLS_CC);
2934	}
2935	entry_var.value = value;
2936	RETVAL_BOOL(xc_entry_var_store_unlocked(cache, entry_hash.entryslotid, &entry_var TSRMLS_CC) != NULL ? 1 : 0);
2937	} LEAVE_LOCK(cache);
2938	}
2939	/* }}} */
2940	/* {{{ proto bool xcache_isset(string name)
2941	Check if an entry exists in cache by specified name */
2942	PHP_FUNCTION(xcache_isset)
2943	{
2944	xc_entry_hash_t entry_hash;
2945	xc_cache_t *cache;
2946	xc_entry_var_t entry_var, *stored_entry_var;
2947	zval *name;
2948
2949	if (!xc_var_caches \|\| !xc_shm \|\| xc_shm->disabled) {
2950	VAR_DISABLED_WARNING();
2951	RETURN_FALSE;
2952	}
2953
2954	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &name) == FAILURE) {
2955	return;
2956	}
2957	xc_entry_var_init_key(&entry_var, &entry_hash, name TSRMLS_CC);
2958	cache = xc_var_caches[entry_hash.cacheid];
2959
2960	ENTER_LOCK(cache) {
2961	stored_entry_var = (xc_entry_var_t ) xc_entry_find_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t ) &entry_var TSRMLS_CC);
2962	if (stored_entry_var) {
2963	xc_cache_hit_unlocked(cache TSRMLS_CC);
2964	RETVAL_TRUE;
2965	/* return */
2966	}
2967	else {
2968	RETVAL_FALSE;
2969	}
2970
2971	} LEAVE_LOCK(cache);
2972	}
2973	/* }}} */
2974	/* {{{ proto bool xcache_unset(string name)
2975	Unset existing data in cache by specified name */
2976	PHP_FUNCTION(xcache_unset)
2977	{
2978	xc_entry_hash_t entry_hash;
2979	xc_cache_t *cache;
2980	xc_entry_var_t entry_var, *stored_entry_var;
2981	zval *name;
2982
2983	if (!xc_var_caches \|\| !xc_shm \|\| xc_shm->disabled) {
2984	VAR_DISABLED_WARNING();
2985	RETURN_FALSE;
2986	}
2987
2988	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &name) == FAILURE) {
2989	return;
2990	}
2991	xc_entry_var_init_key(&entry_var, &entry_hash, name TSRMLS_CC);
2992	cache = xc_var_caches[entry_hash.cacheid];
2993
2994	ENTER_LOCK(cache) {
2995	stored_entry_var = (xc_entry_var_t ) xc_entry_find_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t ) &entry_var TSRMLS_CC);
2996	if (stored_entry_var) {
2997	xc_entry_remove_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t *) stored_entry_var TSRMLS_CC);
2998	RETVAL_TRUE;
2999	}
3000	else {
3001	RETVAL_FALSE;
3002	}
3003	} LEAVE_LOCK(cache);
3004	}
3005	/* }}} */
3006	/* {{{ proto bool xcache_unset_by_prefix(string prefix)
3007	Unset existing data in cache by specified prefix */
3008	PHP_FUNCTION(xcache_unset_by_prefix)
3009	{
3010	zval *prefix;
3011	int i, iend;
3012
3013	if (!xc_var_caches \|\| !xc_shm \|\| xc_shm->disabled) {
3014	VAR_DISABLED_WARNING();
3015	RETURN_FALSE;
3016	}
3017
3018	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &prefix) == FAILURE) {
3019	return;
3020	}
3021
3022	for (i = 0, iend = xc_var_hcache.size; i < iend; i ++) {
3023	xc_cache_t *cache = xc_var_caches[i];
3024	ENTER_LOCK(cache) {
3025	int entryslotid, jend;
3026	for (entryslotid = 0, jend = cache->hentry->size; entryslotid < jend; entryslotid ++) {
3027	xc_entry_t entry, next;
3028	for (entry = cache->entries[entryslotid]; entry; entry = next) {
3029	next = entry->next;
3030	if (xc_entry_has_prefix_unlocked(XC_TYPE_VAR, entry, prefix)) {
3031	xc_entry_remove_unlocked(XC_TYPE_VAR, cache, entryslotid, entry TSRMLS_CC);
3032	}
3033	}
3034	}
3035	} LEAVE_LOCK(cache);
3036	}
3037	}
3038	/* }}} */
3039	static inline void xc_var_inc_dec(int inc, INTERNAL_FUNCTION_PARAMETERS) /* {{{ */
3040	{
3041	xc_entry_hash_t entry_hash;
3042	xc_cache_t *cache;
3043	xc_entry_var_t entry_var, *stored_entry_var;
3044	zval *name;
3045	long count = 1;
3046	long value = 0;
3047	zval oldzval;
3048
3049	if (!xc_var_caches \|\| !xc_shm \|\| xc_shm->disabled) {
3050	VAR_DISABLED_WARNING();
3051	RETURN_NULL();
3052	}
3053
3054	entry_var.entry.ttl = XG(var_ttl);
3055	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z\|ll", &name, &count, &entry_var.entry.ttl) == FAILURE) {
3056	return;
3057	}
3058
3059	/* max ttl */
3060	if (xc_var_maxttl && (!entry_var.entry.ttl \|\| entry_var.entry.ttl > xc_var_maxttl)) {
3061	entry_var.entry.ttl = xc_var_maxttl;
3062	}
3063
3064	xc_entry_var_init_key(&entry_var, &entry_hash, name TSRMLS_CC);
3065	cache = xc_var_caches[entry_hash.cacheid];
3066
3067	ENTER_LOCK(cache) {
3068	stored_entry_var = (xc_entry_var_t ) xc_entry_find_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t ) &entry_var TSRMLS_CC);
3069	if (stored_entry_var) {
3070	TRACE("incdec: got entry_var %s", entry_var.entry.name.str.val);
3071	/* do it in place */
3072	if (Z_TYPE_P(stored_entry_var->value) == IS_LONG) {
3073	zval *zv;
3074	stored_entry_var->entry.ctime = XG(request_time);
3075	stored_entry_var->entry.ttl = entry_var.entry.ttl;
3076	TRACE("%s", "incdec: islong");
3077	value = Z_LVAL_P(stored_entry_var->value);
3078	value += (inc == 1 ? count : - count);
3079	RETVAL_LONG(value);
3080
3081	zv = (zval ) cache->shm->handlers->to_readwrite(cache->shm, (char ) stored_entry_var->value);
3082	Z_LVAL_P(zv) = value;
3083	++cache->updates;
3084	break; /* leave lock */
3085	}
3086
3087	TRACE("%s", "incdec: notlong");
3088	xc_processor_restore_zval(&oldzval, stored_entry_var->value, stored_entry_var->have_references TSRMLS_CC);
3089	convert_to_long(&oldzval);
3090	value = Z_LVAL(oldzval);
3091	zval_dtor(&oldzval);
3092	}
3093	else {
3094	TRACE("incdec: %s not found", entry_var.entry.name.str.val);
3095	}
3096
3097	value += (inc == 1 ? count : - count);
3098	RETVAL_LONG(value);
3099	entry_var.value = return_value;
3100
3101	if (stored_entry_var) {
3102	entry_var.entry.atime = stored_entry_var->entry.atime;
3103	entry_var.entry.ctime = stored_entry_var->entry.ctime;
3104	entry_var.entry.hits = stored_entry_var->entry.hits;
3105	xc_entry_remove_unlocked(XC_TYPE_VAR, cache, entry_hash.entryslotid, (xc_entry_t *) stored_entry_var TSRMLS_CC);
3106	}
3107	xc_entry_var_store_unlocked(cache, entry_hash.entryslotid, &entry_var TSRMLS_CC);
3108	} LEAVE_LOCK(cache);
3109	}
3110	/* }}} */
3111	/* {{{ proto int xcache_inc(string name [, int value [, int ttl]])
3112	Increase an int counter in cache by specified name, create it if not exists */
3113	PHP_FUNCTION(xcache_inc)
3114	{
3115	xc_var_inc_dec(1, INTERNAL_FUNCTION_PARAM_PASSTHRU);
3116	}
3117	/* }}} */
3118	/* {{{ proto int xcache_dec(string name [, int value [, int ttl]])
3119	Decrease an int counter in cache by specified name, create it if not exists */
3120	PHP_FUNCTION(xcache_dec)
3121	{
3122	xc_var_inc_dec(-1, INTERNAL_FUNCTION_PARAM_PASSTHRU);
3123	}
3124	/* }}} */
3125	/* {{{ proto int xcache_get_refcount(mixed variable)
3126	XCache internal uses only: Get reference count of variable */
3127	PHP_FUNCTION(xcache_get_refcount)
3128	{
3129	zval *variable;
3130	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &variable) == FAILURE) {
3131	RETURN_NULL();
3132	}
3133
3134	RETURN_LONG(Z_REFCOUNT(*variable));
3135	}
3136	/* }}} */
3137	/* {{{ proto bool xcache_get_isref(mixed variable)
3138	XCache internal uses only: Check if variable data is marked referenced */
3139	ZEND_BEGIN_ARG_INFO_EX(arginfo_xcache_get_isref, 0, 0, 1)
3140	ZEND_ARG_INFO(1, variable)
3141	ZEND_END_ARG_INFO()
3142
3143	PHP_FUNCTION(xcache_get_isref)
3144	{
3145	zval *variable;
3146	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &variable) == FAILURE) {
3147	RETURN_NULL();
3148	}
3149
3150	RETURN_BOOL(Z_ISREF(variable) && Z_REFCOUNT(variable) >= 3);
3151	}
3152	/* }}} */
3153	#ifdef HAVE_XCACHE_DPRINT
3154	/* {{{ proto bool xcache_dprint(mixed value)
3155	Prints variable (or value) internal struct (debug only) */
3156	PHP_FUNCTION(xcache_dprint)
3157	{
3158	zval *value;
3159
3160	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &value) == FAILURE) {
3161	return;
3162	}
3163	xc_dprint_zval(value, 0 TSRMLS_CC);
3164	}
3165	/* }}} */
3166	#endif
3167	/* {{{ proto string xcache_asm(string filename)
3168	*/
3169	#ifdef HAVE_XCACHE_ASSEMBLER
3170	PHP_FUNCTION(xcache_asm)
3171	{
3172	}
3173	#endif
3174	/* }}} */
3175	#ifdef HAVE_XCACHE_DISASSEMBLER
3176	/* {{{ proto array xcache_dasm_file(string filename)
3177	Disassemble file into opcode array by filename */
3178	PHP_FUNCTION(xcache_dasm_file)
3179	{
3180	char *filename;
3181	int filename_len;
3182
3183	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) {
3184	return;
3185	}
3186	if (!filename_len) RETURN_FALSE;
3187
3188	xc_dasm_file(return_value, filename TSRMLS_CC);
3189	}
3190	/* }}} */
3191	/* {{{ proto array xcache_dasm_string(string code)
3192	Disassemble php code into opcode array */
3193	PHP_FUNCTION(xcache_dasm_string)
3194	{
3195	zval *code;
3196
3197	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &code) == FAILURE) {
3198	return;
3199	}
3200	xc_dasm_string(return_value, code TSRMLS_CC);
3201	}
3202	/* }}} */
3203	#endif
3204	/* {{{ proto string xcache_encode(string filename)
3205	Encode php file into XCache opcode encoded format */
3206	#ifdef HAVE_XCACHE_ENCODER
3207	PHP_FUNCTION(xcache_encode)
3208	{
3209	}
3210	#endif
3211	/* }}} */
3212	/* {{{ proto bool xcache_decode_file(string filename)
3213	Decode(load) opcode from XCache encoded format file */
3214	#ifdef HAVE_XCACHE_DECODER
3215	PHP_FUNCTION(xcache_decode_file)
3216	{
3217	}
3218	#endif
3219	/* }}} */
3220	/* {{{ proto bool xcache_decode_string(string data)
3221	Decode(load) opcode from XCache encoded format data */
3222	#ifdef HAVE_XCACHE_DECODER
3223	PHP_FUNCTION(xcache_decode_string)
3224	{
3225	}
3226	#endif
3227	/* }}} */
3228	/* {{{ xc_call_getter */
3229	typedef const char *(xc_name_getter_t)(zend_uchar type);
3230	static void xc_call_getter(xc_name_getter_t getter, int count, INTERNAL_FUNCTION_PARAMETERS)
3231	{
3232	long spec;
3233	const char *name;
3234
3235	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &spec) == FAILURE) {
3236	return;
3237	}
3238	if (spec >= 0 && spec < count) {
3239	name = getter((zend_uchar) spec);
3240	if (name) {
3241	/* RETURN_STRING */
3242	int len = strlen(name);
3243	return_value->value.str.len = len;
3244	return_value->value.str.val = estrndup(name, len);
3245	return_value->type = IS_STRING;
3246	return;
3247	}
3248	}
3249	RETURN_NULL();
3250	}
3251	/* }}} */
3252	/* {{{ proto string xcache_get_op_type(int op_type) */
3253	PHP_FUNCTION(xcache_get_op_type)
3254	{
3255	xc_call_getter(xc_get_op_type, xc_get_op_type_count(), INTERNAL_FUNCTION_PARAM_PASSTHRU);
3256	}
3257	/* }}} */
3258	/* {{{ proto string xcache_get_data_type(int type) */
3259	PHP_FUNCTION(xcache_get_data_type)
3260	{
3261	xc_call_getter(xc_get_data_type, xc_get_data_type_count(), INTERNAL_FUNCTION_PARAM_PASSTHRU);
3262	}
3263	/* }}} */
3264	/* {{{ proto string xcache_get_opcode(int opcode) */
3265	PHP_FUNCTION(xcache_get_opcode)
3266	{
3267	xc_call_getter(xc_get_opcode, xc_get_opcode_count(), INTERNAL_FUNCTION_PARAM_PASSTHRU);
3268	}
3269	/* }}} */
3270	/* {{{ proto string xcache_get_op_spec(int op_type) */
3271	PHP_FUNCTION(xcache_get_op_spec)
3272	{
3273	xc_call_getter(xc_get_op_spec, xc_get_op_spec_count(), INTERNAL_FUNCTION_PARAM_PASSTHRU);
3274	}
3275	/* }}} */
3276	/* {{{ proto string xcache_get_opcode_spec(int opcode) */
3277	PHP_FUNCTION(xcache_get_opcode_spec)
3278	{
3279	long spec;
3280	const xc_opcode_spec_t *opspec;
3281
3282	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &spec) == FAILURE) {
3283	return;
3284	}
3285	if ((zend_uchar) spec <= xc_get_opcode_spec_count()) {
3286	opspec = xc_get_opcode_spec((zend_uchar) spec);
3287	if (opspec) {
3288	array_init(return_value);
3289	add_assoc_long_ex(return_value, ZEND_STRS("ext"), opspec->ext);
3290	add_assoc_long_ex(return_value, ZEND_STRS("op1"), opspec->op1);
3291	add_assoc_long_ex(return_value, ZEND_STRS("op2"), opspec->op2);
3292	add_assoc_long_ex(return_value, ZEND_STRS("res"), opspec->res);
3293	return;
3294	}
3295	}
3296	RETURN_NULL();
3297	}
3298	/* }}} */
3299	/* {{{ proto mixed xcache_get_special_value(zval value)
3300	XCache internal use only: For decompiler to get static value with type fixed */
3301	PHP_FUNCTION(xcache_get_special_value)
3302	{
3303	zval *value;
3304
3305	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &value) == FAILURE) {
3306	return;
3307	}
3308
3309	switch ((Z_TYPE_P(value) & IS_CONSTANT_TYPE_MASK)) {
3310	case IS_CONSTANT:
3311	return_value = value;
3312	zval_copy_ctor(return_value);
3313	return_value->type = UNISW(IS_STRING, UG(unicode) ? IS_UNICODE : IS_STRING);
3314	break;
3315
3316	case IS_CONSTANT_ARRAY:
3317	return_value = value;
3318	zval_copy_ctor(return_value);
3319	return_value->type = IS_ARRAY;
3320	break;
3321
3322	default:
3323	RETURN_NULL();
3324	}
3325	}
3326	/* }}} */
3327	/* {{{ proto int xcache_get_type(zval value)
3328	XCache internal use only for disassembler to get variable type in engine level */
3329	PHP_FUNCTION(xcache_get_type)
3330	{
3331	zval *value;
3332
3333	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &value) == FAILURE) {
3334	return;
3335	}
3336
3337	RETURN_LONG(Z_TYPE_P(value));
3338	}
3339	/* }}} */
3340	/* {{{ proto string xcache_coredump(int op_type) */
3341	PHP_FUNCTION(xcache_coredump)
3342	{
3343	if (xc_test) {
3344	raise(SIGSEGV);
3345	}
3346	else {
3347	php_error_docref(NULL TSRMLS_CC, E_WARNING, "xcache.test must be enabled to test xcache_coredump()");
3348	}
3349	}
3350	/* }}} */
3351	/* {{{ proto string xcache_is_autoglobal(string name) */
3352	PHP_FUNCTION(xcache_is_autoglobal)
3353	{
3354	zval *name;
3355
3356	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &name) == FAILURE) {
3357	return;
3358	}
3359
3360	#ifdef IS_UNICODE
3361	convert_to_unicode(name);
3362	#else
3363	convert_to_string(name);
3364	#endif
3365
3366	RETURN_BOOL(zend_u_hash_exists(CG(auto_globals), UG(unicode), Z_STRVAL_P(name), Z_STRLEN_P(name) + 1));
3367	}
3368	/* }}} */
3369	static zend_function_entry xcache_functions[] = /* {{{ */
3370	{
3371	PHP_FE(xcache_count, NULL)
3372	PHP_FE(xcache_info, NULL)
3373	PHP_FE(xcache_list, NULL)
3374	PHP_FE(xcache_clear_cache, NULL)
3375	PHP_FE(xcache_coredump, NULL)
3376	#ifdef HAVE_XCACHE_ASSEMBLER
3377	PHP_FE(xcache_asm, NULL)
3378	#endif
3379	#ifdef HAVE_XCACHE_DISASSEMBLER
3380	PHP_FE(xcache_dasm_file, NULL)
3381	PHP_FE(xcache_dasm_string, NULL)
3382	#endif
3383	#ifdef HAVE_XCACHE_ENCODER
3384	PHP_FE(xcache_encode, NULL)
3385	#endif
3386	#ifdef HAVE_XCACHE_DECODER
3387	PHP_FE(xcache_decode_file, NULL)
3388	PHP_FE(xcache_decode_string, NULL)
3389	#endif
3390	#ifdef HAVE_XCACHE_COVERAGER
3391	PHP_FE(xcache_coverager_decode, NULL)
3392	PHP_FE(xcache_coverager_start, NULL)
3393	PHP_FE(xcache_coverager_stop, NULL)
3394	PHP_FE(xcache_coverager_get, NULL)
3395	#endif
3396	PHP_FE(xcache_get_special_value, NULL)
3397	PHP_FE(xcache_get_type, NULL)
3398	PHP_FE(xcache_get_op_type, NULL)
3399	PHP_FE(xcache_get_data_type, NULL)
3400	PHP_FE(xcache_get_opcode, NULL)
3401	PHP_FE(xcache_get_opcode_spec, NULL)
3402	PHP_FE(xcache_is_autoglobal, NULL)
3403	PHP_FE(xcache_inc, NULL)
3404	PHP_FE(xcache_dec, NULL)
3405	PHP_FE(xcache_get, NULL)
3406	PHP_FE(xcache_set, NULL)
3407	PHP_FE(xcache_isset, NULL)
3408	PHP_FE(xcache_unset, NULL)
3409	PHP_FE(xcache_unset_by_prefix, NULL)
3410	PHP_FE(xcache_get_refcount, NULL)
3411	PHP_FE(xcache_get_isref, arginfo_xcache_get_isref)
3412	#ifdef HAVE_XCACHE_DPRINT
3413	PHP_FE(xcache_dprint, NULL)
3414	#endif
3415	#ifdef PHP_FE_END
3416	PHP_FE_END
3417	#else
3418	{NULL, NULL, NULL}
3419	#endif
3420	};
3421	/* }}} */
3422
3423	#ifdef ZEND_WIN32
3424	#include "dbghelp.h"
3425	typedef BOOL (WINAPI *MINIDUMPWRITEDUMP)(HANDLE hProcess, DWORD dwPid, HANDLE hFile, MINIDUMP_TYPE DumpType,
3426	CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
3427	CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
3428	CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam
3429	);
3430
3431	static PTOP_LEVEL_EXCEPTION_FILTER oldFilter = NULL;
3432	static HMODULE dbghelpModule = NULL;
3433	static char crash_dumpPath[_MAX_PATH] = { 0 };
3434	static MINIDUMPWRITEDUMP dbghelp_MiniDumpWriteDump = NULL;
3435
3436	static LONG WINAPI miniDumperFilter(struct _EXCEPTION_POINTERS pExceptionInfo) / {{{ */
3437	{
3438	HANDLE fileHandle;
3439
3440	SetUnhandledExceptionFilter(oldFilter);
3441
3442	/* create the file */
3443	fileHandle = CreateFile(crash_dumpPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
3444
3445	if (fileHandle != INVALID_HANDLE_VALUE) {
3446	MINIDUMP_EXCEPTION_INFORMATION exceptionInformation;
3447	BOOL ok;
3448
3449	exceptionInformation.ThreadId = GetCurrentThreadId();
3450	exceptionInformation.ExceptionPointers = pExceptionInfo;
3451	exceptionInformation.ClientPointers = FALSE;
3452
3453	/* write the dump */
3454	ok = dbghelp_MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), fileHandle, MiniDumpNormal\|MiniDumpWithDataSegs\|MiniDumpWithIndirectlyReferencedMemory, &exceptionInformation, NULL, NULL);
3455	CloseHandle(fileHandle);
3456	if (ok) {
3457	zend_error(E_ERROR, "Saved dump file to '%s'", crash_dumpPath);
3458	return EXCEPTION_EXECUTE_HANDLER;
3459	}
3460	else {
3461	zend_error(E_ERROR, "Failed to save dump file to '%s' (error %d)", crash_dumpPath, GetLastError());
3462	}
3463	}
3464	else {
3465	zend_error(E_ERROR, "Failed to create dump file '%s' (error %d)", crash_dumpPath, GetLastError());
3466	}
3467
3468	return EXCEPTION_CONTINUE_SEARCH;
3469	}
3470	/* }}} */
3471
3472	static void xcache_restore_crash_handler() /* {{{ */
3473	{
3474	if (oldFilter) {
3475	SetUnhandledExceptionFilter(oldFilter);
3476	oldFilter = NULL;
3477	}
3478	}
3479	/* }}} */
3480	static void xcache_init_crash_handler() /* {{{ */
3481	{
3482	/* firstly see if dbghelp.dll is around and has the function we need
3483	look next to the EXE first, as the one in System32 might be old
3484	(e.g. Windows 2000) */
3485	char dbghelpPath[_MAX_PATH];
3486
3487	if (GetModuleFileName(NULL, dbghelpPath, _MAX_PATH)) {
3488	char *slash = strchr(dbghelpPath, '\\');
3489	if (slash) {
3490	strcpy(slash + 1, "DBGHELP.DLL");
3491	dbghelpModule = LoadLibrary(dbghelpPath);
3492	}
3493	}
3494
3495	if (!dbghelpModule) {
3496	/* load any version we can */
3497	dbghelpModule = LoadLibrary("DBGHELP.DLL");
3498	if (!dbghelpModule) {
3499	zend_error(E_ERROR, "Unable to enable crash dump saver: %s", "DBGHELP.DLL not found");
3500	return;
3501	}
3502	}
3503
3504	dbghelp_MiniDumpWriteDump = (MINIDUMPWRITEDUMP)GetProcAddress(dbghelpModule, "MiniDumpWriteDump");
3505	if (!dbghelp_MiniDumpWriteDump) {
3506	zend_error(E_ERROR, "Unable to enable crash dump saver: %s", "DBGHELP.DLL too old. Get updated dll and put it aside of php_xcache.dll");
3507	return;
3508	}
3509
3510	#ifdef XCACHE_VERSION_REVISION
3511	#define REVISION "r" XCACHE_VERSION_REVISION
3512	#else
3513	#define REVISION ""
3514	#endif
3515	sprintf(crash_dumpPath, "%s\\php-%s-xcache-%s%s-%lu-%lu.dmp", xc_coredump_dir, zend_get_module_version("standard"), XCACHE_VERSION, REVISION, (unsigned long) time(NULL), (unsigned long) GetCurrentProcessId());
3516	#undef REVISION
3517
3518	oldFilter = SetUnhandledExceptionFilter(&miniDumperFilter);
3519	}
3520	/* }}} */
3521	#else
3522	/* old signal handlers {{{ */
3523	typedef void (*xc_sighandler_t)(int);
3524	#define FOREACH_SIG(sig) static xc_sighandler_t old_##sig##_handler = NULL
3525	#include "util/xc_foreachcoresig.h"
3526	#undef FOREACH_SIG
3527	/* }}} */
3528	static void xcache_signal_handler(int sig);
3529	static void xcache_restore_crash_handler() /* {{{ */
3530	{
3531	#define FOREACH_SIG(sig) do { \
3532	if (old_##sig##_handler != xcache_signal_handler) { \
3533	signal(sig, old_##sig##_handler); \
3534	} \
3535	else { \
3536	signal(sig, SIG_DFL); \
3537	} \
3538	} while (0)
3539	#include "util/xc_foreachcoresig.h"
3540	#undef FOREACH_SIG
3541	}
3542	/* }}} */
3543	static void xcache_init_crash_handler() /* {{{ */
3544	{
3545	#define FOREACH_SIG(sig) \
3546	old_##sig##_handler = signal(sig, xcache_signal_handler)
3547	#include "util/xc_foreachcoresig.h"
3548	#undef FOREACH_SIG
3549	}
3550	/* }}} */
3551	static void xcache_signal_handler(int sig) /* {{{ */
3552	{
3553	xcache_restore_crash_handler();
3554	if (xc_coredump_dir && xc_coredump_dir[0]) {
3555	if (chdir(xc_coredump_dir) != 0) {
3556	/* error, but nothing can do about it
3557	* and should'nt print anything which might SEGV again */
3558	}
3559	}
3560	if (xc_disable_on_crash) {
3561	xc_disable_on_crash = 0;
3562	if (xc_shm) {
3563	xc_shm->disabled = 1;
3564	}
3565	}
3566	raise(sig);
3567	}
3568	/* }}} */
3569	#endif
3570
3571	/* {{{ PHP_INI */
3572
3573	static PHP_INI_MH(xc_OnUpdateDummy)
3574	{
3575	return SUCCESS;
3576	}
3577
3578	static PHP_INI_MH(xc_OnUpdateULong)
3579	{
3580	zend_ulong p = (zend_ulong ) mh_arg1;
3581
3582	*p = (zend_ulong) atoi(new_value);
3583	return SUCCESS;
3584	}
3585
3586	static PHP_INI_MH(xc_OnUpdateBool)
3587	{
3588	zend_bool p = (zend_bool )mh_arg1;
3589
3590	if (strncasecmp("on", new_value, sizeof("on"))) {
3591	*p = (zend_bool) atoi(new_value);
3592	}
3593	else {
3594	*p = (zend_bool) 1;
3595	}
3596	return SUCCESS;
3597	}
3598
3599	static PHP_INI_MH(xc_OnUpdateString)
3600	{
3601	char p = (char)mh_arg1;
3602	if (*p) {
3603	pefree(*p, 1);
3604	}
3605	*p = pemalloc(strlen(new_value) + 1, 1);
3606	strcpy(*p, new_value);
3607	return SUCCESS;
3608	}
3609
3610	#ifndef ZEND_ENGINE_2
3611	#define OnUpdateLong OnUpdateInt
3612	#endif
3613
3614	#ifdef ZEND_WIN32
3615	# define DEFAULT_PATH "xcache"
3616	#else
3617	# define DEFAULT_PATH "/dev/zero"
3618	#endif
3619	PHP_INI_BEGIN()
3620	PHP_INI_ENTRY1 ("xcache.mmap_path", DEFAULT_PATH, PHP_INI_SYSTEM, xc_OnUpdateString, &xc_mmap_path)
3621	PHP_INI_ENTRY1 ("xcache.coredump_directory", "", PHP_INI_SYSTEM, xc_OnUpdateString, &xc_coredump_dir)
3622	PHP_INI_ENTRY1 ("xcache.disable_on_crash", "0", PHP_INI_SYSTEM, xc_OnUpdateBool, &xc_disable_on_crash)
3623	PHP_INI_ENTRY1 ("xcache.test", "0", PHP_INI_SYSTEM, xc_OnUpdateBool, &xc_test)
3624	PHP_INI_ENTRY1 ("xcache.readonly_protection", "0", PHP_INI_SYSTEM, xc_OnUpdateBool, &xc_readonly_protection)
3625	/* opcode cache */
3626	PHP_INI_ENTRY1 ("xcache.size", "0", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3627	PHP_INI_ENTRY1 ("xcache.count", "1", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3628	PHP_INI_ENTRY1 ("xcache.slots", "8K", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3629	PHP_INI_ENTRY1 ("xcache.shm_scheme", "mmap", PHP_INI_SYSTEM, xc_OnUpdateString, &xc_shm_scheme)
3630	PHP_INI_ENTRY1 ("xcache.ttl", "0", PHP_INI_SYSTEM, xc_OnUpdateULong, &xc_php_ttl)
3631	PHP_INI_ENTRY1 ("xcache.gc_interval", "0", PHP_INI_SYSTEM, xc_OnUpdateULong, &xc_php_gc_interval)
3632	/* var cache */
3633	PHP_INI_ENTRY1 ("xcache.var_size", "0", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3634	PHP_INI_ENTRY1 ("xcache.var_count", "1", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3635	PHP_INI_ENTRY1 ("xcache.var_slots", "8K", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3636	PHP_INI_ENTRY1 ("xcache.var_maxttl", "0", PHP_INI_SYSTEM, xc_OnUpdateULong, &xc_var_maxttl)
3637	PHP_INI_ENTRY1 ("xcache.var_gc_interval", "120", PHP_INI_SYSTEM, xc_OnUpdateULong, &xc_var_gc_interval)
3638
3639	STD_PHP_INI_BOOLEAN("xcache.cacher", "1", PHP_INI_ALL, OnUpdateBool, cacher, zend_xcache_globals, xcache_globals)
3640	STD_PHP_INI_BOOLEAN("xcache.stat", "1", PHP_INI_ALL, OnUpdateBool, stat, zend_xcache_globals, xcache_globals)
3641	STD_PHP_INI_BOOLEAN("xcache.admin.enable_auth", "1", PHP_INI_SYSTEM, OnUpdateBool, auth_enabled, zend_xcache_globals, xcache_globals)
3642	STD_PHP_INI_BOOLEAN("xcache.experimental", "0", PHP_INI_ALL, OnUpdateBool, experimental, zend_xcache_globals, xcache_globals)
3643	#ifdef HAVE_XCACHE_OPTIMIZER
3644	STD_PHP_INI_BOOLEAN("xcache.optimizer", "0", PHP_INI_ALL, OnUpdateBool, optimizer, zend_xcache_globals, xcache_globals)
3645	#endif
3646	STD_PHP_INI_ENTRY ("xcache.var_ttl", "0", PHP_INI_ALL, OnUpdateLong, var_ttl, zend_xcache_globals, xcache_globals)
3647	#ifdef HAVE_XCACHE_COVERAGER
3648	STD_PHP_INI_BOOLEAN("xcache.coverager" , "0", PHP_INI_ALL, OnUpdateBool, coverager, zend_xcache_globals, xcache_globals)
3649	PHP_INI_ENTRY1 ("xcache.coveragedump_directory", "", PHP_INI_SYSTEM, xc_OnUpdateDummy, NULL)
3650	#endif
3651	PHP_INI_END()
3652	/* }}} */
3653	/* {{{ PHP_MINFO_FUNCTION(xcache) */
3654	static PHP_MINFO_FUNCTION(xcache)
3655	{
3656	char buf[100];
3657	char *ptr;
3658	int left, len;
3659	xc_shm_scheme_t *scheme;
3660	#ifdef HAVE_XCACHE_COVERAGER
3661	char *covdumpdir;
3662	#endif
3663
3664	php_info_print_table_start();
3665	php_info_print_table_header(2, "XCache Support", "enabled");
3666	php_info_print_table_row(2, "Version", XCACHE_VERSION);
3667	#ifdef XCACHE_VERSION_REVISION
3668	php_info_print_table_row(2, "Revision", "r" XCACHE_VERSION_REVISION);
3669	#endif
3670	php_info_print_table_row(2, "Modules Built", XCACHE_MODULES);
3671	php_info_print_table_row(2, "Readonly Protection", xc_readonly_protection ? "enabled" : "N/A");
3672	#ifdef ZEND_ENGINE_2_1
3673	ptr = php_format_date("Y-m-d H:i:s", sizeof("Y-m-d H:i:s") - 1, xc_init_time, 1 TSRMLS_CC);
3674	php_info_print_table_row(2, "Cache Init Time", ptr);
3675	efree(ptr);
3676	#else
3677	snprintf(buf, sizeof(buf), "%lu", (long unsigned) xc_init_time);
3678	php_info_print_table_row(2, "Cache Init Time", buf);
3679	#endif
3680
3681	#ifdef ZTS
3682	snprintf(buf, sizeof(buf), "%lu.%lu", xc_init_instance_id, xc_init_instance_subid);
3683	#else
3684	snprintf(buf, sizeof(buf), "%lu", xc_init_instance_id);
3685	#endif
3686	php_info_print_table_row(2, "Cache Instance Id", buf);
3687
3688	if (xc_php_size) {
3689	ptr = _php_math_number_format(xc_php_size, 0, '.', ',');
3690	snprintf(buf, sizeof(buf), "enabled, %s bytes, %d split(s), with %d slots each", ptr, xc_php_hcache.size, xc_php_hentry.size);
3691	php_info_print_table_row(2, "Opcode Cache", buf);
3692	efree(ptr);
3693	}
3694	else {
3695	php_info_print_table_row(2, "Opcode Cache", "disabled");
3696	}
3697	if (xc_var_size) {
3698	ptr = _php_math_number_format(xc_var_size, 0, '.', ',');
3699	snprintf(buf, sizeof(buf), "enabled, %s bytes, %d split(s), with %d slots each", ptr, xc_var_hcache.size, xc_var_hentry.size);
3700	php_info_print_table_row(2, "Variable Cache", buf);
3701	efree(ptr);
3702	}
3703	else {
3704	php_info_print_table_row(2, "Variable Cache", "disabled");
3705	}
3706
3707	left = sizeof(buf);
3708	ptr = buf;
3709	buf[0] = '\0';
3710	for (scheme = xc_shm_scheme_first(); scheme; scheme = xc_shm_scheme_next(scheme)) {
3711	len = snprintf(ptr, left, ptr == buf ? "%s" : ", %s", xc_shm_scheme_name(scheme));
3712	left -= len;
3713	ptr += len;
3714	}
3715	php_info_print_table_row(2, "Shared Memory Schemes", buf);
3716
3717	#ifdef HAVE_XCACHE_COVERAGER
3718	if (cfg_get_string("xcache.coveragedump_directory", &covdumpdir) != SUCCESS \|\| !covdumpdir[0]) {
3719	covdumpdir = NULL;
3720	}
3721	php_info_print_table_row(2, "Coverage Auto Dumper", XG(coverager) && covdumpdir ? "enabled" : "disabled");
3722	#endif
3723	php_info_print_table_end();
3724
3725	DISPLAY_INI_ENTRIES();
3726	}
3727	/* }}} */
3728	/* {{{ extension startup */
3729	static void xc_zend_extension_register(zend_extension *new_extension, DL_HANDLE handle)
3730	{
3731	zend_extension extension;
3732
3733	extension = *new_extension;
3734	extension.handle = handle;
3735
3736	zend_extension_dispatch_message(ZEND_EXTMSG_NEW_EXTENSION, &extension);
3737
3738	zend_llist_prepend_element(&zend_extensions, &extension);
3739	TRACE("%s", "registered");
3740	}
3741
3742	static zend_llist_element xc_llist_get_element_by_zend_extension(zend_llist l, const char *extension_name)
3743	{
3744	zend_llist_element *element;
3745
3746	for (element = zend_extensions.head; element; element = element->next) {
3747	zend_extension extension = (zend_extension ) element->data;
3748
3749	if (!strcmp(extension->name, extension_name)) {
3750	return element;
3751	}
3752	}
3753	return NULL;
3754	}
3755
3756	static void xc_llist_prepend(zend_llist l, zend_llist_element element)
3757	{
3758	element->next = l->head;
3759	element->prev = NULL;
3760	if (l->head) {
3761	l->head->prev = element;
3762	}
3763	else {
3764	l->tail = element;
3765	}
3766	l->head = element;
3767	++l->count;
3768	}
3769
3770	static void xc_llist_unlink(zend_llist l, zend_llist_element element)
3771	{
3772	if ((element)->prev) {
3773	(element)->prev->next = (element)->next;
3774	}
3775	else {
3776	(l)->head = (element)->next;
3777	}
3778
3779	if ((element)->next) {
3780	(element)->next->prev = (element)->prev;
3781	}
3782	else {
3783	(l)->tail = (element)->prev;
3784	}
3785
3786	--l->count;
3787	}
3788
3789	static int xc_zend_extension_startup(zend_extension *extension)
3790	{
3791	if (extension->startup) {
3792	if (extension->startup(extension) != SUCCESS) {
3793	return FAILURE;
3794	}
3795	}
3796	return SUCCESS;
3797	}
3798	/* }}} */
3799	static int xc_ptr_compare_func(void p1, void p2) /* {{{ */
3800	{
3801	return p1 == p2;
3802	}
3803	/* }}} */
3804	static int xc_zend_remove_extension(zend_extension extension) / {{{ */
3805	{
3806	llist_dtor_func_t dtor;
3807
3808	assert(extension);
3809	dtor = zend_extensions.dtor; /* avoid dtor */
3810	zend_extensions.dtor = NULL;
3811	zend_llist_del_element(&zend_extensions, extension, xc_ptr_compare_func);
3812	zend_extensions.dtor = dtor;
3813	return SUCCESS;
3814	}
3815	/* }}} */
3816	static int xc_config_hash(xc_hash_t p, char name, char default_value) / {{{ */
3817	{
3818	size_t bits, size;
3819	char *value;
3820
3821	if (cfg_get_string(name, &value) != SUCCESS) {
3822	value = default_value;
3823	}
3824
3825	p->size = zend_atoi(value, strlen(value));
3826	for (size = 1, bits = 1; size < p->size; bits ++, size <<= 1) {
3827	/* empty body */
3828	}
3829	p->size = size;
3830	p->bits = bits;
3831	p->mask = size - 1;
3832
3833	return SUCCESS;
3834	}
3835	/* }}} */
3836	static int xc_config_long(zend_ulong p, char name, char default_value) / {{{ */
3837	{
3838	char *value;
3839
3840	if (cfg_get_string(name, &value) != SUCCESS) {
3841	value = default_value;
3842	}
3843
3844	*p = zend_atol(value, strlen(value));
3845	return SUCCESS;
3846	}
3847	/* }}} */
3848	/* {{{ PHP_MINIT_FUNCTION(xcache) */
3849	static PHP_MINIT_FUNCTION(xcache)
3850	{
3851	char *env;
3852	zend_extension *ext;
3853	zend_llist_position lpos;
3854
3855	xc_module_gotup = 1;
3856	if (!xc_zend_extension_gotup) {
3857	zend_error(E_WARNING, "XCache is designed to be loaded as zend_extension not extension");
3858	xc_zend_extension_register(&zend_extension_entry, 0);
3859	xc_zend_extension_startup(&zend_extension_entry);
3860	xc_zend_extension_faked = 1;
3861	}
3862
3863	ext = zend_get_extension("Zend Optimizer");
3864	if (ext) {
3865	/* zend_optimizer.optimization_level>0 is not compatible with other cacher, disabling */
3866	ext->op_array_handler = NULL;
3867	}
3868	/* cache if there's an op_array_ctor */
3869	for (ext = zend_llist_get_first_ex(&zend_extensions, &lpos);
3870	ext;
3871	ext = zend_llist_get_next_ex(&zend_extensions, &lpos)) {
3872	if (ext->op_array_ctor) {
3873	xc_have_op_array_ctor = 1;
3874	break;
3875	}
3876	}
3877
3878
3879	#ifndef PHP_GINIT
3880	ZEND_INIT_MODULE_GLOBALS(xcache, xc_init_globals, xc_shutdown_globals);
3881	#endif
3882	REGISTER_INI_ENTRIES();
3883
3884	/* additional_functions requires PHP 5.3. TODO: find simpler way to do it */
3885	#ifdef ZEND_ENGINE_2_3
3886	if (strcmp(sapi_module.name, "cgi-fcgi") == 0 && !sapi_module.additional_functions && !getenv("XCACHE_SKIP_FCGI_WARNING") && !getenv("GATEWAY_INTERFACE")) {
3887	if ((getenv("PHP_FCGI_CHILDREN") == NULL) \|\| (atoi(getenv("PHP_FCGI_CHILDREN")) < 1)) {
3888	zend_error(E_WARNING, "PHP_FCGI_CHILDREN should be >= 1 and use 1 group of parent/childs model. Set XCACHE_SKIP_FCGI_WARNING=1 to skip this warning. See " XCACHE_WIKI_URL "/Faq");
3889	}
3890	}
3891	#endif
3892
3893	xc_config_long(&xc_php_size, "xcache.size", "0");
3894	xc_config_hash(&xc_php_hcache, "xcache.count", "1");
3895	xc_config_hash(&xc_php_hentry, "xcache.slots", "8K");
3896
3897	xc_config_long(&xc_var_size, "xcache.var_size", "0");
3898	xc_config_hash(&xc_var_hcache, "xcache.var_count", "1");
3899	xc_config_hash(&xc_var_hentry, "xcache.var_slots", "8K");
3900
3901	if (strcmp(sapi_module.name, "cli") == 0) {
3902	if ((env = getenv("XCACHE_TEST")) != NULL) {
3903	xc_test = atoi(env);
3904	}
3905	if (!xc_test) {
3906	/* disable cache for cli except for testing */
3907	xc_php_size = xc_var_size = 0;
3908	}
3909	}
3910
3911	if (xc_php_size <= 0) {
3912	xc_php_size = xc_php_hcache.size = 0;
3913	}
3914	if (xc_var_size <= 0) {
3915	xc_var_size = xc_var_hcache.size = 0;
3916	}
3917
3918	if (xc_coredump_dir && xc_coredump_dir[0]) {
3919	xcache_init_crash_handler();
3920	}
3921
3922	xc_init_constant(module_number TSRMLS_CC);
3923	xc_shm_init_modules();
3924
3925	if ((xc_php_size \|\| xc_var_size) && xc_mmap_path && xc_mmap_path[0]) {
3926	if (xc_init(module_number TSRMLS_CC) != SUCCESS) {
3927	zend_error(E_ERROR, "XCache: Cannot init");
3928	goto err_init;
3929	}
3930	xc_initized = 1;
3931	xc_init_time = time(NULL);
3932	#ifdef PHP_WIN32
3933	xc_init_instance_id = GetCurrentProcessId();
3934	#else
3935	xc_init_instance_id = getpid();
3936	#endif
3937	#ifdef ZTS
3938	xc_init_instance_subid = tsrm_thread_id();
3939	#endif
3940	}
3941
3942	xc_sandbox_module_init(module_number TSRMLS_CC);
3943	#ifdef HAVE_XCACHE_COVERAGER
3944	xc_coverager_module_init(module_number TSRMLS_CC);
3945	#endif
3946
3947	return SUCCESS;
3948
3949	err_init:
3950	return FAILURE;
3951	}
3952	/* }}} */
3953	/* {{{ PHP_MSHUTDOWN_FUNCTION(xcache) */
3954	static PHP_MSHUTDOWN_FUNCTION(xcache)
3955	{
3956	#ifdef HAVE_XCACHE_COVERAGER
3957	xc_coverager_module_shutdown();
3958	#endif
3959	xc_sandbox_module_shutdown();
3960
3961	if (xc_initized) {
3962	xc_destroy();
3963	}
3964	if (xc_mmap_path) {
3965	pefree(xc_mmap_path, 1);
3966	xc_mmap_path = NULL;
3967	}
3968	if (xc_shm_scheme) {
3969	pefree(xc_shm_scheme, 1);
3970	xc_shm_scheme = NULL;
3971	}
3972
3973	if (xc_coredump_dir && xc_coredump_dir[0]) {
3974	xcache_restore_crash_handler();
3975	}
3976	if (xc_coredump_dir) {
3977	pefree(xc_coredump_dir, 1);
3978	xc_coredump_dir = NULL;
3979	}
3980	#ifndef PHP_GINIT
3981	# ifdef ZTS
3982	ts_free_id(xcache_globals_id);
3983	# else
3984	xc_shutdown_globals(&xcache_globals TSRMLS_CC);
3985	# endif
3986	#endif
3987
3988	if (xc_zend_extension_faked) {
3989	zend_extension *ext = zend_get_extension(XCACHE_NAME);
3990	if (ext) {
3991	if (ext->shutdown) {
3992	ext->shutdown(ext);
3993	}
3994	xc_zend_remove_extension(ext);
3995	}
3996	}
3997	UNREGISTER_INI_ENTRIES();
3998
3999	xc_module_gotup = 0;
4000	xc_zend_extension_gotup = 0;
4001	xc_zend_extension_faked = 0;
4002
4003	return SUCCESS;
4004	}
4005	/* }}} */
4006	/* {{{ PHP_RINIT_FUNCTION(xcache) */
4007	static PHP_RINIT_FUNCTION(xcache)
4008	{
4009	xc_request_init(TSRMLS_C);
4010	return SUCCESS;
4011	}
4012	/* }}} */
4013	/* {{{ PHP_RSHUTDOWN_FUNCTION(xcache) */
4014	#ifndef ZEND_ENGINE_2
4015	static PHP_RSHUTDOWN_FUNCTION(xcache)
4016	#else
4017	static ZEND_MODULE_POST_ZEND_DEACTIVATE_D(xcache)
4018	#endif
4019	{
4020	#ifdef ZEND_ENGINE_2
4021	TSRMLS_FETCH();
4022	#endif
4023
4024	xc_request_shutdown(TSRMLS_C);
4025	return SUCCESS;
4026	}
4027	/* }}} */
4028	/* {{{ module dependencies */
4029	#if ZEND_MODULE_API_NO >= 20050922
4030	static zend_module_dep xcache_module_deps[] = {
4031	ZEND_MOD_REQUIRED("standard")
4032	ZEND_MOD_CONFLICTS("apc")
4033	ZEND_MOD_CONFLICTS("eAccelerator")
4034	ZEND_MOD_CONFLICTS("Turck MMCache")
4035	#ifdef ZEND_MOD_END
4036	ZEND_MOD_END
4037	#else
4038	{NULL, NULL, NULL, 0}
4039	#endif
4040	};
4041	#endif
4042	/* }}} */
4043	/* {{{ module definition structure */
4044
4045	zend_module_entry xcache_module_entry = {
4046	#if ZEND_MODULE_API_NO >= 20050922
4047	STANDARD_MODULE_HEADER_EX,
4048	NULL,
4049	xcache_module_deps,
4050	#else
4051	STANDARD_MODULE_HEADER,
4052	#endif
4053	XCACHE_NAME,
4054	xcache_functions,
4055	PHP_MINIT(xcache),
4056	PHP_MSHUTDOWN(xcache),
4057	PHP_RINIT(xcache),
4058	#ifndef ZEND_ENGINE_2
4059	PHP_RSHUTDOWN(xcache),
4060	#else
4061	NULL,
4062	#endif
4063	PHP_MINFO(xcache),
4064	XCACHE_VERSION,
4065	#ifdef PHP_GINIT
4066	PHP_MODULE_GLOBALS(xcache),
4067	PHP_GINIT(xcache),
4068	PHP_GSHUTDOWN(xcache),
4069	#endif
4070	#ifdef ZEND_ENGINE_2
4071	ZEND_MODULE_POST_ZEND_DEACTIVATE_N(xcache),
4072	#else
4073	NULL,
4074	NULL,
4075	#endif
4076	STANDARD_MODULE_PROPERTIES_EX
4077	};
4078
4079	#ifdef COMPILE_DL_XCACHE
4080	ZEND_GET_MODULE(xcache)
4081	#endif
4082	/* }}} */
4083	static startup_func_t xc_last_ext_startup;
4084	static int xc_zend_startup_last(zend_extension extension) / {{{ */
4085	{
4086	zend_extension *ext = zend_get_extension(XCACHE_NAME);
4087	if (ext) {
4088	zend_error(E_WARNING, "Module '" XCACHE_NAME "' already loaded");
4089	}
4090	/* restore */
4091	extension->startup = xc_last_ext_startup;
4092	if (extension->startup) {
4093	if (extension->startup(extension) != SUCCESS) {
4094	return FAILURE;
4095	}
4096	}
4097	assert(xc_llist_zend_extension);
4098	xc_llist_prepend(&zend_extensions, xc_llist_zend_extension);
4099	if (!xc_module_gotup) {
4100	return zend_startup_module(&xcache_module_entry);
4101	}
4102	return SUCCESS;
4103	}
4104	/* }}} */
4105	ZEND_DLEXPORT int xcache_zend_startup(zend_extension extension) / {{{ */
4106	{
4107	xc_zend_extension_gotup = 1;
4108
4109	if (!origin_compile_file) {
4110	origin_compile_file = zend_compile_file;
4111	zend_compile_file = xc_check_initial_compile_file;
4112	}
4113
4114	if (zend_llist_count(&zend_extensions) > 1) {
4115	zend_llist_position lpos;
4116	zend_extension *ext;
4117
4118	xc_llist_zend_extension = xc_llist_get_element_by_zend_extension(&zend_extensions, XCACHE_NAME);
4119	if (xc_llist_zend_extension != zend_extensions.head) {
4120	zend_error(E_WARNING, "XCache must be loaded as the first zend_extension for maximum compatibility");
4121	}
4122	/* hide myself */
4123	xc_llist_unlink(&zend_extensions, xc_llist_zend_extension);
4124
4125	ext = (zend_extension *) zend_llist_get_last_ex(&zend_extensions, &lpos);
4126	assert(ext && ext != (zend_extension *) xc_llist_zend_extension->data);
4127	xc_last_ext_startup = ext->startup;
4128	ext->startup = xc_zend_startup_last;
4129	}
4130	else if (!xc_module_gotup) {
4131	return zend_startup_module(&xcache_module_entry);
4132	}
4133	return SUCCESS;
4134	}
4135	/* }}} */
4136	ZEND_DLEXPORT void xcache_zend_shutdown(zend_extension extension) / {{{ */
4137	{
4138	/* empty */
4139	}
4140	/* }}} */
4141	ZEND_DLEXPORT void xcache_statement_handler(zend_op_array op_array) / {{{ */
4142	{
4143	#ifdef HAVE_XCACHE_COVERAGER
4144	xc_coverager_handle_ext_stmt(op_array, ZEND_EXT_STMT);
4145	#endif
4146	}
4147	/* }}} */
4148	ZEND_DLEXPORT void xcache_fcall_begin_handler(zend_op_array op_array) / {{{ */
4149	{
4150	#if 0
4151	xc_coverager_handle_ext_stmt(op_array, ZEND_EXT_FCALL_BEGIN);
4152	#endif
4153	}
4154	/* }}} */
4155	ZEND_DLEXPORT void xcache_fcall_end_handler(zend_op_array op_array) / {{{ */
4156	{
4157	#if 0
4158	xc_coverager_handle_ext_stmt(op_array, ZEND_EXT_FCALL_END);
4159	#endif
4160	}
4161	/* }}} */
4162	/* {{{ zend extension definition structure */
4163	ZEND_DLEXPORT zend_extension zend_extension_entry = {
4164	XCACHE_NAME,
4165	XCACHE_VERSION,
4166	XCACHE_AUTHOR,
4167	XCACHE_URL,
4168	XCACHE_COPYRIGHT,
4169	xcache_zend_startup,
4170	xcache_zend_shutdown,
4171	NULL, /* activate_func_t */
4172	NULL, /* deactivate_func_t */
4173	NULL, /* message_handler_func_t */
4174	#ifdef HAVE_XCACHE_OPTIMIZER
4175	xc_optimizer_op_array_handler,
4176	#else
4177	NULL, /* op_array_handler_func_t */
4178	#endif
4179	xcache_statement_handler,
4180	xcache_fcall_begin_handler,
4181	xcache_fcall_end_handler,
4182	NULL, /* op_array_ctor_func_t */
4183	NULL, /* op_array_dtor_func_t */
4184	STANDARD_ZEND_EXTENSION_PROPERTIES
4185	};
4186
4187	#ifndef ZEND_EXT_API
4188	# define ZEND_EXT_API ZEND_DLEXPORT
4189	#endif
4190	#if COMPILE_DL_XCACHE
4191	ZEND_EXTENSION();
4192	#endif
4193	/* }}} */

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