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mdbx: add mdbx_fastmutex_t.

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This commit is contained in:
Leo Yuriev
2017-05-23 21:54:06 +03:00
parent 8c18622592
commit 132c9c994e
2 changed files with 45 additions and 0 deletions
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38
src/osal.c
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@@ -267,6 +267,44 @@ int mdbx_condmutex_wait(mdbx_condmutex_t *condmutex) {
/*----------------------------------------------------------------------------*/
int mdbx_fastmutex_init(mdbx_fastmutex_t *fastmutex) {
#if defined(_WIN32) || defined(_WIN64)
InitializeCriticalSection(fastmutex);
return MDB_SUCCESS;
#else
return pthread_mutex_init(fastmutex, NULL);
#endif
}
int mdbx_fastmutex_destroy(mdbx_fastmutex_t *fastmutex) {
#if defined(_WIN32) || defined(_WIN64)
DeleteCriticalSection(fastmutex);
return MDB_SUCCESS;
#else
return pthread_mutex_destroy(fastmutex);
#endif
}
int mdbx_fastmutex_acquire(mdbx_fastmutex_t *fastmutex) {
#if defined(_WIN32) || defined(_WIN64)
EnterCriticalSection(fastmutex);
return MDB_SUCCESS;
#else
return pthread_mutex_lock(fastmutex);
#endif
}
int mdbx_fastmutex_release(mdbx_fastmutex_t *fastmutex) {
#if defined(_WIN32) || defined(_WIN64)
LeaveCriticalSection(fastmutex);
return MDB_SUCCESS;
#else
return pthread_mutex_unlock(fastmutex);
#endif
}
/*----------------------------------------------------------------------------*/
int mdbx_openfile(const char *pathname, int flags, mode_t mode,
mdbx_filehandle_t *fd) {
*fd = INVALID_HANDLE_VALUE;