1 #include "test/jemalloc_test.h" 2 3 #ifndef _CRT_SPINCOUNT 4 #define _CRT_SPINCOUNT 4000 5 #endif 6 7 bool 8 mtx_init(mtx_t *mtx) 9 { 10 11 #ifdef _WIN32 12 if (!InitializeCriticalSectionAndSpinCount(&mtx->lock, _CRT_SPINCOUNT)) 13 return (true); 14 #elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) 15 mtx->lock = OS_UNFAIR_LOCK_INIT; 16 #elif (defined(JEMALLOC_OSSPIN)) 17 mtx->lock = 0; 18 #else 19 pthread_mutexattr_t attr; 20 21 if (pthread_mutexattr_init(&attr) != 0) 22 return (true); 23 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_DEFAULT); 24 if (pthread_mutex_init(&mtx->lock, &attr) != 0) { 25 pthread_mutexattr_destroy(&attr); 26 return (true); 27 } 28 pthread_mutexattr_destroy(&attr); 29 #endif 30 return (false); 31 } 32 33 void 34 mtx_fini(mtx_t *mtx) 35 { 36 37 #ifdef _WIN32 38 #elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) 39 #elif (defined(JEMALLOC_OSSPIN)) 40 #else 41 pthread_mutex_destroy(&mtx->lock); 42 #endif 43 } 44 45 void 46 mtx_lock(mtx_t *mtx) 47 { 48 49 #ifdef _WIN32 50 EnterCriticalSection(&mtx->lock); 51 #elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) 52 os_unfair_lock_lock(&mtx->lock); 53 #elif (defined(JEMALLOC_OSSPIN)) 54 OSSpinLockLock(&mtx->lock); 55 #else 56 pthread_mutex_lock(&mtx->lock); 57 #endif 58 } 59 60 void 61 mtx_unlock(mtx_t *mtx) 62 { 63 64 #ifdef _WIN32 65 LeaveCriticalSection(&mtx->lock); 66 #elif (defined(JEMALLOC_OS_UNFAIR_LOCK)) 67 os_unfair_lock_unlock(&mtx->lock); 68 #elif (defined(JEMALLOC_OSSPIN)) 69 OSSpinLockUnlock(&mtx->lock); 70 #else 71 pthread_mutex_unlock(&mtx->lock); 72 #endif 73 } 74
