Changeset 148 in svn for trunk/mem.h


Ignore:
Timestamp:
2006-09-09T00:56:44Z (9 years ago)
Author:
Xuefer
Message:

reconstruct shm/allocator

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/mem.h

    r1 r148  
    33typedef unsigned int xc_memsize_t;
    44
    5 void *xc_mem_malloc(xc_mem_t *mem, xc_memsize_t size);
    6 int xc_mem_free(xc_mem_t *mem, const void *p);
    7 void *xc_mem_calloc(xc_mem_t *mem, xc_memsize_t memb, xc_memsize_t size);
    8 void *xc_mem_realloc(xc_mem_t *mem, const void *p, xc_memsize_t size);
    9 char *xc_mem_strndup(xc_mem_t *mem, const char *str, xc_memsize_t len);
    10 char *xc_mem_strdup(xc_mem_t *mem, const char *str);
    11 const xc_block_t *xc_mem_freeblock_first(xc_mem_t *mem);
    12 const xc_block_t *xc_mem_freeblock_next(const xc_block_t *block);
    13 xc_memsize_t xc_mem_block_size(const xc_block_t *block);
    14 xc_memsize_t xc_mem_block_offset(const xc_mem_t *mem, const xc_block_t *block);
     5/* shm::mem */
     6#define XC_MEM_MALLOC(func)          void *func(xc_mem_t *mem, xc_memsize_t size)
     7#define XC_MEM_FREE(func)            xc_memsize_t  func(xc_mem_t *mem, const void *p)
     8#define XC_MEM_CALLOC(func)          void *func(xc_mem_t *mem, xc_memsize_t memb, xc_memsize_t size)
     9#define XC_MEM_REALLOC(func)         void *func(xc_mem_t *mem, const void *p, xc_memsize_t size)
     10#define XC_MEM_STRNDUP(func)         char *func(xc_mem_t *mem, const char *str, xc_memsize_t len)
     11#define XC_MEM_STRDUP(func)          char *func(xc_mem_t *mem, const char *str)
     12#define XC_MEM_AVAIL(func)           xc_memsize_t      func(xc_mem_t *mem)
     13#define XC_MEM_SIZE(func)            xc_memsize_t      func(xc_mem_t *mem)
     14#define XC_MEM_FREEBLOCK_FIRST(func) const xc_block_t *func(xc_mem_t *mem)
     15#define XC_MEM_FREEBLOCK_NEXT(func)  const xc_block_t *func(const xc_block_t *block)
     16#define XC_MEM_BLOCK_SIZE(func)      xc_memsize_t      func(const xc_block_t *block)
     17#define XC_MEM_BLOCK_OFFSET(func)    xc_memsize_t      func(const xc_mem_t *mem, const xc_block_t *block)
    1518
    16 xc_memsize_t xc_mem_avail(xc_mem_t *mem);
    17 xc_memsize_t xc_mem_size(xc_mem_t *mem);
     19#define XC_MEM_INIT(func)            xc_mem_t *func(xc_shm_t *shm, xc_mem_t *mem, xc_memsize_t size)
     20#define XC_MEM_DESTROY(func)         void func(xc_mem_t *mem)
    1821
    19 xc_mem_t *xc_mem_init(void *ptr, xc_memsize_t size);
    20 void xc_mem_destroy(xc_mem_t *mem);
     22#define XC_MEM_HANDLERS(name)   {  \
     23    xc_##name##_malloc             \
     24    , xc_##name##_free             \
     25    , xc_##name##_calloc           \
     26    , xc_##name##_realloc          \
     27    , xc_##name##_strndup          \
     28    , xc_##name##_strdup           \
     29    , xc_##name##_avail            \
     30    , xc_##name##_size             \
     31    , xc_##name##_freeblock_first  \
     32    , xc_##name##_freeblock_next   \
     33    , xc_##name##_block_size       \
     34    , xc_##name##_block_offset     \
     35\
     36    , xc_##name##_init             \
     37    , xc_##name##_destroy          \
     38}
     39
     40typedef struct {
     41    XC_MEM_MALLOC((*malloc));
     42    XC_MEM_FREE((*free));
     43    XC_MEM_CALLOC((*calloc));
     44    XC_MEM_REALLOC((*realloc));
     45    XC_MEM_STRNDUP((*strndup));
     46    XC_MEM_STRDUP((*strdup));
     47    XC_MEM_AVAIL((*avail));
     48    XC_MEM_SIZE((*size));
     49    XC_MEM_FREEBLOCK_FIRST((*freeblock_first));
     50    XC_MEM_FREEBLOCK_NEXT((*freeblock_next));
     51    XC_MEM_BLOCK_SIZE((*block_size));
     52    XC_MEM_BLOCK_OFFSET((*block_offset));
     53
     54    XC_MEM_INIT((*init));
     55    XC_MEM_DESTROY((*destroy));
     56} xc_mem_handlers_t;
     57
     58#ifndef XC_MEM_IMPL
     59struct _xc_mem_t {
     60    const xc_mem_handlers_t *handlers;
     61    xc_shm_t                *shm;
     62};
     63#endif
     64
     65int xc_mem_scheme_register(const char *name, const xc_mem_handlers_t *handlers);
     66const xc_mem_handlers_t *xc_mem_scheme_find(const char *name);
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