34 lines
1.4 KiB
C
34 lines
1.4 KiB
C
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: pthread_locks.h *
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* Last rev: *
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* mods: *
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* comments: *
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* *
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*************************************************************************/
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/* ----------------------------------- **
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** Atomic locks for PTHREADS **
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** ----------------------------------- */
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#define INIT_LOCK(LOCK_VAR) pthread_mutex_init(&(LOCK_VAR), NULL)
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#define DESTROY_LOCK(LOCK_VAR) pthread_mutex_destroy(&(LOCK_VAR))
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#define TRY_LOCK(LOCK_PTR) pthread_mutex_trylock(&(LOCK_VAR))
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#define LOCK(LOCK_VAR) pthread_mutex_lock(&(LOCK_VAR))
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#define UNLOCK(LOCK_VAR) pthread_mutex_unlock(&(LOCK_VAR))
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#define INIT_RWLOCK(X) pthread_rwlock_init(&(X), NULL)
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#define DESTROY_RWLOCK(X) pthread_rwlock_destroy(&(X))
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#define READ_LOCK(X) pthread_rwlock_rdlock(&(X))
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#define READ_UNLOCK(X) pthread_rwlock_unlock(&(X))
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#define WRITE_LOCK(X) pthread_rwlock_wrlock(&(X))
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#define WRITE_UNLOCK(X) pthread_rwlock_unlock(&(X))
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