1 | |
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2 | #include "xc_extension.h" |
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3 | #include "xcache.h" |
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4 | #include "util/xc_trace.h" |
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5 | |
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6 | |
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7 | int xcache_zend_extension_add(zend_extension *new_extension, zend_bool prepend) /* {{{ */ |
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8 | { |
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9 | zend_extension extension; |
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10 | |
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11 | extension = *new_extension; |
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12 | extension.handle = 0; |
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13 | |
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14 | zend_extension_dispatch_message(ZEND_EXTMSG_NEW_EXTENSION, &extension); |
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15 | |
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16 | if (prepend) { |
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17 | zend_llist_prepend_element(&zend_extensions, &extension); |
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18 | } |
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19 | else { |
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20 | zend_llist_add_element(&zend_extensions, &extension); |
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21 | } |
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22 | TRACE("%s", "registered"); |
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23 | return SUCCESS; |
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24 | } |
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25 | /* }}} */ |
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26 | static int xc_ptr_compare_func(void *p1, void *p2) /* {{{ */ |
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27 | { |
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28 | return p1 == p2; |
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29 | } |
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30 | /* }}} */ |
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31 | static int xc_zend_extension_remove(zend_extension *extension) /* {{{ */ |
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32 | { |
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33 | llist_dtor_func_t dtor; |
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34 | |
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35 | assert(extension); |
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36 | dtor = zend_extensions.dtor; /* avoid dtor */ |
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37 | zend_extensions.dtor = NULL; |
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38 | zend_llist_del_element(&zend_extensions, extension, xc_ptr_compare_func); |
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39 | zend_extensions.dtor = dtor; |
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40 | return SUCCESS; |
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41 | } |
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42 | /* }}} */ |
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43 | int xcache_zend_extension_remove(zend_extension *extension) /* {{{ */ |
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44 | { |
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45 | zend_extension *ext = zend_get_extension(extension->name); |
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46 | if (!ext) { |
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47 | return FAILURE; |
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48 | } |
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49 | |
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50 | if (ext->shutdown) { |
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51 | ext->shutdown(ext); |
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52 | } |
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53 | xc_zend_extension_remove(ext); |
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54 | return SUCCESS; |
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55 | } |
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56 | /* }}} */ |
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57 | |
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58 | void xcache_llist_prepend(zend_llist *l, zend_llist_element *element) /* {{{ */ |
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59 | { |
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60 | element->next = l->head; |
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61 | element->prev = NULL; |
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62 | if (l->head) { |
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63 | l->head->prev = element; |
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64 | } |
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65 | else { |
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66 | l->tail = element; |
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67 | } |
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68 | l->head = element; |
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69 | ++l->count; |
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70 | } |
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71 | /* }}} */ |
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72 | void xcache_llist_unlink(zend_llist *l, zend_llist_element *element) /* {{{ */ |
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73 | { |
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74 | if ((element)->prev) { |
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75 | (element)->prev->next = (element)->next; |
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76 | } |
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77 | else { |
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78 | (l)->head = (element)->next; |
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79 | } |
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80 | |
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81 | if ((element)->next) { |
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82 | (element)->next->prev = (element)->prev; |
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83 | } |
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84 | else { |
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85 | (l)->tail = (element)->prev; |
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86 | } |
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87 | |
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88 | --l->count; |
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89 | } |
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90 | /* }}} */ |
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