server-skynet-source-3rd-je.../test/src/mtx.c
Jason Evans 3f2b8d9cfa Add os_unfair_lock support.
OS X 10.12 deprecated OSSpinLock; os_unfair_lock is the recommended
replacement.
2016-11-02 19:35:12 -07:00

74 lines
1.3 KiB
C

#include "test/jemalloc_test.h"
#ifndef _CRT_SPINCOUNT
#define _CRT_SPINCOUNT 4000
#endif
bool
mtx_init(mtx_t *mtx)
{
#ifdef _WIN32
if (!InitializeCriticalSectionAndSpinCount(&mtx->lock, _CRT_SPINCOUNT))
return (true);
#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
mtx->lock = OS_UNFAIR_LOCK_INIT;
#elif (defined(JEMALLOC_OSSPIN))
mtx->lock = 0;
#else
pthread_mutexattr_t attr;
if (pthread_mutexattr_init(&attr) != 0)
return (true);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_DEFAULT);
if (pthread_mutex_init(&mtx->lock, &attr) != 0) {
pthread_mutexattr_destroy(&attr);
return (true);
}
pthread_mutexattr_destroy(&attr);
#endif
return (false);
}
void
mtx_fini(mtx_t *mtx)
{
#ifdef _WIN32
#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
#elif (defined(JEMALLOC_OSSPIN))
#else
pthread_mutex_destroy(&mtx->lock);
#endif
}
void
mtx_lock(mtx_t *mtx)
{
#ifdef _WIN32
EnterCriticalSection(&mtx->lock);
#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
os_unfair_lock_lock(&mtx->lock);
#elif (defined(JEMALLOC_OSSPIN))
OSSpinLockLock(&mtx->lock);
#else
pthread_mutex_lock(&mtx->lock);
#endif
}
void
mtx_unlock(mtx_t *mtx)
{
#ifdef _WIN32
LeaveCriticalSection(&mtx->lock);
#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
os_unfair_lock_unlock(&mtx->lock);
#elif (defined(JEMALLOC_OSSPIN))
OSSpinLockUnlock(&mtx->lock);
#else
pthread_mutex_unlock(&mtx->lock);
#endif
}