87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
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/******************************************************************************/
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#ifdef JEMALLOC_H_TYPES
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#ifdef JEMALLOC_OSSPIN
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typedef OSSpinLock malloc_mutex_t;
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#else
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typedef pthread_mutex_t malloc_mutex_t;
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#endif
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#ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
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# define MALLOC_MUTEX_INITIALIZER PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
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#else
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# define MALLOC_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
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#endif
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#endif /* JEMALLOC_H_TYPES */
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/******************************************************************************/
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#ifdef JEMALLOC_H_STRUCTS
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#endif /* JEMALLOC_H_STRUCTS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_EXTERNS
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#ifdef JEMALLOC_LAZY_LOCK
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extern bool isthreaded;
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#else
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# define isthreaded true
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#endif
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bool malloc_mutex_init(malloc_mutex_t *mutex);
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void malloc_mutex_destroy(malloc_mutex_t *mutex);
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#endif /* JEMALLOC_H_EXTERNS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_INLINES
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#ifndef JEMALLOC_ENABLE_INLINE
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void malloc_mutex_lock(malloc_mutex_t *mutex);
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bool malloc_mutex_trylock(malloc_mutex_t *mutex);
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void malloc_mutex_unlock(malloc_mutex_t *mutex);
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#endif
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_MUTEX_C_))
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JEMALLOC_INLINE void
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malloc_mutex_lock(malloc_mutex_t *mutex)
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{
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if (isthreaded) {
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#ifdef JEMALLOC_OSSPIN
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OSSpinLockLock(mutex);
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#else
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pthread_mutex_lock(mutex);
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#endif
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}
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}
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JEMALLOC_INLINE bool
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malloc_mutex_trylock(malloc_mutex_t *mutex)
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{
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if (isthreaded) {
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#ifdef JEMALLOC_OSSPIN
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return (OSSpinLockTry(mutex) == false);
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#else
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return (pthread_mutex_trylock(mutex) != 0);
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#endif
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} else
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return (false);
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}
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JEMALLOC_INLINE void
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malloc_mutex_unlock(malloc_mutex_t *mutex)
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{
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if (isthreaded) {
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#ifdef JEMALLOC_OSSPIN
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OSSpinLockUnlock(mutex);
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#else
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pthread_mutex_unlock(mutex);
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#endif
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}
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}
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#endif
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#endif /* JEMALLOC_H_INLINES */
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/******************************************************************************/
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