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mdbx: minor refine mdbx_env_create().

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Леонид Юрьев (Leonid Yuriev) 2022-09-17 10:02:42 +03:00
parent bec9312df5
commit cf8540d84e
1 changed files with 10 additions and 7 deletions
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17
src/core.c
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@ -11489,6 +11489,16 @@ lckless_stub(const MDBX_env *env) {
}
__cold int mdbx_env_create(MDBX_env **penv) {
if (unlikely(!penv))
return MDBX_EINVAL;
*penv = nullptr;
const size_t os_psize = osal_syspagesize();
if (unlikely(!is_powerof2(os_psize) || os_psize < MIN_PAGESIZE)) {
ERROR("unsuitable system pagesize %" PRIuPTR, os_psize);
return MDBX_INCOMPATIBLE;
}
MDBX_env *env = osal_calloc(1, sizeof(MDBX_env));
if (unlikely(!env))
return MDBX_ENOMEM;
@ -11516,12 +11526,6 @@ __cold int mdbx_env_create(MDBX_env **penv) {
env->me_options.merge_threshold_16dot16_percent = 65536 / 4 /* 25% */;
int rc;
const size_t os_psize = osal_syspagesize();
if (unlikely(!is_powerof2(os_psize) || os_psize < MIN_PAGESIZE)) {
ERROR("unsuitable system pagesize %" PRIuPTR, os_psize);
rc = MDBX_INCOMPATIBLE;
goto bailout;
}
env->me_os_psize = (unsigned)os_psize;
setup_pagesize(env, (env->me_os_psize < MAX_PAGESIZE) ? env->me_os_psize
: MAX_PAGESIZE);
@ -11558,7 +11562,6 @@ __cold int mdbx_env_create(MDBX_env **penv) {
bailout:
osal_free(env);
*penv = nullptr;
return rc;
}