7 #ifndef OM_ALLOC_SYSTEM_C
8 #define OM_ALLOC_SYSTEM_C
17 #include "omDefaultConfig.h"
23 #define OM_MALLOC_FROM_SYSTEM OM_MALLOC_MALLOC
24 #define OM_REALLOC_FROM_SYSTEM OM_MALLOC_REALLOC
25 #define OM_FREE_TO_SYSTEM OM_MALLOC_FREE
33 #if defined(HAVE_MALLOC_SIZE)
34 #include <malloc/malloc.h>
35 #define _omSizeOfLargeAddr(addr) (malloc_size(addr))
36 #elif defined(HAVE_MALLOC_USABLE_SIZE)
38 #define _omSizeOfLargeAddr(addr) (malloc_usable_size(addr))
45 *((
size_t*) addr) =
size;
46 return (
void *)(addr + SIZEOF_STRICT_ALIGNMENT);
56 new_size = OM_ALIGN_SIZE(new_size);
57 _old_addr = (
char *)old_addr - SIZEOF_STRICT_ALIGNMENT;
59 *((
size_t*) _old_addr) + SIZEOF_STRICT_ALIGNMENT,
60 new_size + SIZEOF_STRICT_ALIGNMENT);
61 *((
size_t*) new_addr) = new_size;
62 return (
void *)(new_addr + SIZEOF_STRICT_ALIGNMENT);
67 char* _addr = (
char *)addr - SIZEOF_STRICT_ALIGNMENT;
71 #define _omSizeOfLargeAddr(addr) (*((size_t*) ((char*) addr - SIZEOF_STRICT_ALIGNMENT)))
77 memset(addr, 0,
size);
92 if (new_size > old_size)
93 memset(new_addr + old_size, 0, new_size - old_size);
94 return (
void *)new_addr;
132 #ifdef OM_HAVE_VALLOC_MMAP
136 #define OM_VALLOC_FROM_SYSTEM omVallocMmap
137 #define OM_VFREE_TO_SYSTEM omVfreeMmap
139 #elif defined(OM_HAVE_VALLOC_MALLOC)
141 #define OM_VALLOC_FROM_SYSTEM OM_MALLOC_VALLOC
142 #define OM_VFREE_TO_SYSTEM OM_MALLOC_VFREE
146 #define OM_VALLOC_FROM_SYSTEM omEmulateValloc
147 #define OM_VFREE_TO_SYSTEM omEmulateVfree
149 #define OM_ALIGN_PAGE(addr) ( ((long)addr + (SIZEOF_SYSTEM_PAGE -1)) & ~(SIZEOF_SYSTEM_PAGE - 1))
154 size_t padding = SIZEOF_VOIDP;
160 if ((
OM_ALIGN_PAGE(addr) + SIZEOF_VOIDP) - (
long) addr <= padding)
163 *((
void**) ((
void*) ret_addr +
size)) = addr;
169 padding = padding << 1;
193 OM_MEMORY_LOW_HOOK();
197 OM_OUT_OF_MEMORY_HOOK();
201 #if defined(HAVE_MALLOC_SIZE) || defined(HAVE_MALLOC_USABLE_SIZE)
217 #if defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM)
218 if (
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM >
om_Info.MaxBytesSystem)
219 om_Info.MaxBytesSystem =
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM;
221 #if defined(HAVE_SBRK) && !defined(OM_MALLOC_MAX_BYTES_SBRK)
224 #ifndef OM_HAVE_VALLOC_MMAP
225 +
om_Info.CurrentBytesFromValloc
233 OM_MALLOC_HOOK(
size);
250 OM_MEMORY_LOW_HOOK();
257 OM_OUT_OF_MEMORY_HOOK();
272 om_Info.CurrentBytesFromMalloc += (long) newsize - (
long) oldsize;
278 #if defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM)
279 if (
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM >
om_Info.MaxBytesSystem)
280 om_Info.MaxBytesSystem =
om_Info.CurrentBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM;
282 #if defined(HAVE_SBRK) && !defined(OM_MALLOC_MAX_BYTES_SBRK)
284 #ifndef OM_HAVE_VALLOC_MMAP
285 +
om_Info.CurrentBytesFromValloc
294 OM_REALLOC_HOOK(oldsize, newsize);
315 OM_MEMORY_LOW_HOOK();
319 if (fail)
return NULL;
322 OM_OUT_OF_MEMORY_HOOK();
342 #if defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM)
343 if (
om_Info.MaxBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM >
om_Info.MaxBytesSystem)
344 om_Info.MaxBytesSystem =
om_Info.MaxBytesFromValloc + OM_MALLOC_MAX_BYTES_SYSTEM;
346 #if defined(HAVE_SBRK) && !defined(OM_HAVE_VALLOC_MMAP) && !defined(OM_MALLOC_MAX_BYTES_SBRK)
352 +
om_Info.CurrentBytesFromValloc);
356 OM_VALLOC_HOOK(
size);
#define omSizeOfBinAddr(addr)
#define omSizeWOfBinAddr(addr)
void * omReallocSizeFromSystem(void *addr, size_t oldsize, size_t newsize)
void omEmulateVfree(void *addr, size_t size)
void omVfreeToSystem(void *page, size_t size)
size_t omSizeOfLargeAddr(void *addr)
#define OM_REALLOC_FROM_SYSTEM
void omFreeLarge(void *addr)
void omFreeSizeToSystem(void *addr, size_t size)
void * omReallocFromSystem(void *addr, size_t newsize)
void * omAllocFromSystem(size_t size)
void * omRealloc0Large(void *old_addr, size_t new_size)
#define OM_ALIGN_PAGE(addr)
#define OM_VFREE_TO_SYSTEM
void * omAllocLarge(size_t size)
void * omEmulateValloc(size_t size)
size_t omSizeWOfAddr(void *addr)
size_t omSizeOfAddr(const void *addr)
#define OM_FREE_TO_SYSTEM
void omFreeToSystem(void *addr)
#define _omSizeOfLargeAddr(addr)
void * omAlloc0Large(size_t size)
void * omReallocLarge(void *old_addr, size_t new_size)
#define OM_MALLOC_FROM_SYSTEM
void * _omVallocFromSystem(size_t size, int fail)
#define OM_VALLOC_FROM_SYSTEM
#define omIsBinPageAddr(addr)
#define omIsAddrPageAligned(addr)
#define omIsBinAddrTrackAddr(addr)
unsigned long om_SbrkInit