diff options
author | Dmitry Stogov <dmitry@php.net> | 2007-11-06 07:22:13 +0000 |
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committer | Dmitry Stogov <dmitry@php.net> | 2007-11-06 07:22:13 +0000 |
commit | 609aa052b330bb03072bef6282d68071994fff94 (patch) | |
tree | c2a7bf878c19b9d551fff30f1b18b11a9ef16109 /Zend/zend_alloc.c | |
parent | 35ab31e7ad7f95144e7f336678ee4355c148b72a (diff) | |
download | php-git-609aa052b330bb03072bef6282d68071994fff94.tar.gz |
Allow user defined malloc/realloc/free
Diffstat (limited to 'Zend/zend_alloc.c')
-rw-r--r-- | Zend/zend_alloc.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c index 0cd9c6955b..efa8ec7893 100644 --- a/Zend/zend_alloc.c +++ b/Zend/zend_alloc.c @@ -403,6 +403,9 @@ typedef struct _zend_mm_free_block { struct _zend_mm_heap { int use_zend_alloc; + void *(*malloc)(size_t); + void (*free)(void*); + void *(*realloc)(void*, size_t); size_t free_bitmap; size_t large_free_bitmap; size_t block_size; @@ -2264,7 +2267,7 @@ ZEND_API void *_emalloc(size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC) TSRMLS_FETCH(); if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) { - return malloc(size); + return AG(mm_heap)->malloc(size); } return _zend_mm_alloc_int(AG(mm_heap), size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC); } @@ -2274,7 +2277,7 @@ ZEND_API void _efree(void *ptr ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC) TSRMLS_FETCH(); if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) { - free(ptr); + AG(mm_heap)->free(ptr); return; } _zend_mm_free_int(AG(mm_heap), ptr ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC); @@ -2285,7 +2288,7 @@ ZEND_API void *_erealloc(void *ptr, size_t size, int allow_failure ZEND_FILE_LIN TSRMLS_FETCH(); if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) { - return realloc(ptr, size); + return AG(mm_heap)->realloc(ptr, size); } return _zend_mm_realloc_int(AG(mm_heap), ptr, size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC); } @@ -2452,6 +2455,11 @@ static void alloc_globals_ctor(zend_alloc_globals *alloc_globals TSRMLS_DC) tmp = getenv("USE_ZEND_ALLOC"); if (tmp) { alloc_globals->mm_heap->use_zend_alloc = zend_atoi(tmp, 0); + if (!alloc_globals->mm_heap->use_zend_alloc) { + alloc_globals->mm_heap->malloc = malloc; + alloc_globals->mm_heap->free = free; + alloc_globals->mm_heap->realloc = realloc; + } } } @@ -2485,6 +2493,17 @@ ZEND_API zend_mm_storage *zend_mm_get_storage(zend_mm_heap *heap) return heap->storage; } +ZEND_API void zend_mm_set_custom_handlers(zend_mm_heap *heap, + void* (*malloc)(size_t), + void (*free)(void*), + void* (realloc)(void*, size_t)) +{ + heap->use_zend_alloc = 0; + heap->malloc = malloc; + heap->free = free; + heap->realloc = realloc; +} + #if ZEND_DEBUG ZEND_API int _mem_block_check(void *ptr, int silent ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC) { |