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mdbx: change mdbx_env_set_oomfunc() API.

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This commit is contained in:
Leo Yuriev 2017-05-23 22:07:35 +03:00
parent 132c9c994e
commit 2c43997026
2 changed files with 13 additions and 5 deletions
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6
mdbx.h
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@ -1452,8 +1452,10 @@ typedef int(MDBX_oom_func)(MDB_env *env, int pid, mdbx_tid_t tid, uint64_t txn,
* a laggard readers to allowing reclaiming of freeDB.
*
* [in] env An environment handle returned by mdbx_env_create().
* [in] oomfunc A MDBX_oom_func function or NULL to disable. */
LIBMDBX_API void mdbx_env_set_oomfunc(MDB_env *env, MDBX_oom_func *oom_func);
* [in] oomfunc A MDBX_oom_func function or NULL to disable.
*
* Returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_env_set_oomfunc(MDB_env *env, MDBX_oom_func *oom_func);
/* Get the current oom_func callback.
*

12
src/mdbx.c
View File

@ -9635,9 +9635,15 @@ int __cold mdbx_env_set_syncbytes(MDB_env *env, size_t bytes) {
return env->me_map ? mdbx_env_sync(env, 0) : MDB_SUCCESS;
}
void __cold mdbx_env_set_oomfunc(MDB_env *env, MDBX_oom_func *oomfunc) {
if (likely(env && env->me_signature == MDBX_ME_SIGNATURE))
env->me_oom_func = oomfunc;
int __cold mdbx_env_set_oomfunc(MDB_env *env, MDBX_oom_func *oomfunc) {
if (unlikely(!env))
return MDBX_EINVAL;
if (unlikely(env->me_signature != MDBX_ME_SIGNATURE))
return MDBX_EBADSIGN;
env->me_oom_func = oomfunc;
return MDB_SUCCESS;
}
MDBX_oom_func *__cold mdbx_env_get_oomfunc(MDB_env *env) {