#include <unistd.h>
#include <limits.h>
#include "omConfig.h"
#include "omDefaultConfig.h"
#include "omMalloc.h"
#include "omalloc.h"
#include <string.h>
Go to the source code of this file.
◆ _omSizeOfLargeAddr
#define _omSizeOfLargeAddr |
( |
|
addr | ) |
(*((size_t*) ((char*) addr - SIZEOF_STRICT_ALIGNMENT))) |
◆ OM_ALIGN_PAGE
#define OM_ALIGN_PAGE |
( |
|
addr | ) |
( ((long)addr + (SIZEOF_SYSTEM_PAGE -1)) & ~(SIZEOF_SYSTEM_PAGE - 1)) |
◆ OM_ALLOC_SYSTEM_C
#define OM_ALLOC_SYSTEM_C |
◆ OM_FREE_TO_SYSTEM
◆ OM_MALLOC_FROM_SYSTEM
◆ OM_REALLOC_FROM_SYSTEM
◆ OM_VALLOC_FROM_SYSTEM
◆ OM_VFREE_TO_SYSTEM
◆ _omVallocFromSystem()
void* _omVallocFromSystem |
( |
size_t |
size, |
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int |
fail |
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) |
| |
Definition at line 310 of file omAllocSystem.c.
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);
unsigned long om_SbrkInit
#define OM_VALLOC_FROM_SYSTEM
#define omIsAddrPageAligned(addr)
◆ omAlloc0Large()
void* omAlloc0Large |
( |
size_t |
size | ) |
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◆ omAllocFromSystem()
void* omAllocFromSystem |
( |
size_t |
size | ) |
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Definition at line 186 of file omAllocSystem.c.
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);
#define OM_MALLOC_FROM_SYSTEM
unsigned long om_SbrkInit
size_t omSizeOfAddr(const void *addr)
#define _omSizeOfLargeAddr(addr)
◆ omAllocLarge()
void* omAllocLarge |
( |
size_t |
size | ) |
|
Definition at line 40 of file omAllocSystem.c.
45 *((
size_t*) addr) =
size;
46 return (
void *)(addr + SIZEOF_STRICT_ALIGNMENT);
void * omAllocFromSystem(size_t size)
◆ omEmulateValloc()
void* omEmulateValloc |
( |
size_t |
size | ) |
|
Definition at line 151 of file omAllocSystem.c.
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;
#define OM_MALLOC_FROM_SYSTEM
#define OM_ALIGN_PAGE(addr)
#define OM_FREE_TO_SYSTEM
◆ omEmulateVfree()
void omEmulateVfree |
( |
void * |
addr, |
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size_t |
size |
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) |
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◆ omFreeLarge()
void omFreeLarge |
( |
void * |
addr | ) |
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Definition at line 65 of file omAllocSystem.c.
67 char* _addr = (
char *)addr - SIZEOF_STRICT_ALIGNMENT;
void omFreeSizeToSystem(void *addr, size_t size)
◆ omFreeSizeToSystem()
void omFreeSizeToSystem |
( |
void * |
addr, |
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size_t |
size |
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) |
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◆ omFreeToSystem()
void omFreeToSystem |
( |
void * |
addr | ) |
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Definition at line 298 of file omAllocSystem.c.
size_t omSizeOfAddr(const void *addr)
void omFreeSizeToSystem(void *addr, size_t size)
◆ omRealloc0Large()
void* omRealloc0Large |
( |
void * |
old_addr, |
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size_t |
new_size |
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) |
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Definition at line 81 of file omAllocSystem.c.
92 if (new_size > old_size)
93 memset(new_addr + old_size, 0, new_size - old_size);
94 return (
void *)new_addr;
size_t omSizeOfLargeAddr(void *addr)
void * omReallocLarge(void *old_addr, size_t new_size)
#define omIsBinPageAddr(addr)
◆ omReallocFromSystem()
void* omReallocFromSystem |
( |
void * |
addr, |
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size_t |
newsize |
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) |
| |
Definition at line 237 of file omAllocSystem.c.
void * omReallocSizeFromSystem(void *addr, size_t oldsize, size_t newsize)
size_t omSizeOfAddr(const void *addr)
◆ omReallocLarge()
void* omReallocLarge |
( |
void * |
old_addr, |
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size_t |
new_size |
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) |
| |
Definition at line 49 of file omAllocSystem.c.
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);
void * omReallocSizeFromSystem(void *addr, size_t oldsize, size_t newsize)
◆ omReallocSizeFromSystem()
void* omReallocSizeFromSystem |
( |
void * |
addr, |
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size_t |
oldsize, |
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size_t |
newsize |
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) |
| |
Definition at line 242 of file omAllocSystem.c.
250 OM_MEMORY_LOW_HOOK();
257 OM_OUT_OF_MEMORY_HOOK();
266 if (((
unsigned long) res) + newsize >
om_MaxAddr)
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);
unsigned long om_SbrkInit
#define OM_REALLOC_FROM_SYSTEM
◆ omSizeOfAddr()
size_t omSizeOfAddr |
( |
const void * |
addr | ) |
|
Definition at line 102 of file omAllocSystem.c.
size_t omSizeOfLargeAddr(void *addr)
#define omIsBinAddrTrackAddr(addr)
#define omSizeOfBinAddr(addr)
#define omIsBinPageAddr(addr)
◆ omSizeOfLargeAddr()
size_t omSizeOfLargeAddr |
( |
void * |
addr | ) |
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◆ omSizeWOfAddr()
size_t omSizeWOfAddr |
( |
void * |
addr | ) |
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Definition at line 115 of file omAllocSystem.c.
size_t omSizeOfLargeAddr(void *addr)
#define omIsBinAddrTrackAddr(addr)
#define omSizeWOfBinAddr(addr)
#define omIsBinPageAddr(addr)
◆ omVfreeToSystem()
void omVfreeToSystem |
( |
void * |
page, |
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|
size_t |
size |
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) |
| |
Definition at line 360 of file omAllocSystem.c.
#define OM_VFREE_TO_SYSTEM
#define omIsAddrPageAligned(addr)