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Add module API RM_MallocUsableSize (#10795)

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This allows the module to know the usable size of an allocation
it made, rather than the consumed size.
This commit is contained in:
menwen 2022-05-31 15:29:17 +08:00 committed by GitHub
parent 805191c791
commit 42fbf064d1
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2 changed files with 9 additions and 0 deletions
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7
src/module.c
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@ -9762,6 +9762,12 @@ size_t RM_MallocSize(void* ptr) {
return zmalloc_size(ptr);
}
/* Similar to RM_MallocSize, the difference is that RM_MallocUsableSize
* returns the usable size of memory by the module. */
size_t RM_MallocUsableSize(void *ptr) {
return zmalloc_usable_size(ptr);
}
/* Same as RM_MallocSize, except it works on RedisModuleString pointers.
*/
size_t RM_MallocSizeString(RedisModuleString* str) {
@ -12566,6 +12572,7 @@ void moduleRegisterCoreAPI(void) {
REGISTER_API(GetBlockedClientReadyKey);
REGISTER_API(GetUsedMemoryRatio);
REGISTER_API(MallocSize);
REGISTER_API(MallocUsableSize);
REGISTER_API(MallocSizeString);
REGISTER_API(MallocSizeDict);
REGISTER_API(ScanCursorCreate);

2
src/redismodule.h
View File

@ -1161,6 +1161,7 @@ REDISMODULE_API int (*RedisModule_ExitFromChild)(int retcode) REDISMODULE_ATTR;
REDISMODULE_API int (*RedisModule_KillForkChild)(int child_pid) REDISMODULE_ATTR;
REDISMODULE_API float (*RedisModule_GetUsedMemoryRatio)() REDISMODULE_ATTR;
REDISMODULE_API size_t (*RedisModule_MallocSize)(void* ptr) REDISMODULE_ATTR;
REDISMODULE_API size_t (*RedisModule_MallocUsableSize)(void *ptr) REDISMODULE_ATTR;
REDISMODULE_API size_t (*RedisModule_MallocSizeString)(RedisModuleString* str) REDISMODULE_ATTR;
REDISMODULE_API size_t (*RedisModule_MallocSizeDict)(RedisModuleDict* dict) REDISMODULE_ATTR;
REDISMODULE_API RedisModuleUser * (*RedisModule_CreateModuleUser)(const char *name) REDISMODULE_ATTR;
@ -1494,6 +1495,7 @@ static int RedisModule_Init(RedisModuleCtx *ctx, const char *name, int ver, int
REDISMODULE_GET_API(KillForkChild);
REDISMODULE_GET_API(GetUsedMemoryRatio);
REDISMODULE_GET_API(MallocSize);
REDISMODULE_GET_API(MallocUsableSize);
REDISMODULE_GET_API(MallocSizeString);
REDISMODULE_GET_API(MallocSizeDict);
REDISMODULE_GET_API(CreateModuleUser);