70 строки
1.6 KiB
C
70 строки
1.6 KiB
C
/*
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* Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
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*
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef ORTE_MUTEX_H
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#define ORTE_MUTEX_H
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#include "orte_config.h"
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#include "opal/sys/atomic.h"
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#include "opal/threads/mutex.h"
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#if OPAL_ENABLE_DEBUG
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#include "opal/util/output.h"
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#endif
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BEGIN_C_DECLS
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/* Lock a mutex */
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#define ORTE_THREAD_LOCK(mutex) opal_mutex_lock(mutex)
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/**
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* Try to lock a mutex
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* Returns 0 if mutex was locked, non-zero otherwise.
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*/
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#define ORTE_THREAD_TRYLOCK(mutex) opal_mutex_trylock(mutex)
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/** Unlock a mutex */
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#define ORTE_THREAD_UNLOCK(mutex) opal_mutex_unlock(mutex)
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/* Lock a mutex */
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#define ORTE_THREAD_SCOPED_LOCK(mutex, action) \
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do { \
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opal_mutex_lock(mutex); \
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(action); \
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opal_mutex_unlock(mutex); \
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} while (0)
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/* Use an atomic operation for increment/decrement */
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#define ORTE_THREAD_ADD32(x,y) opal_atomic_add_32(x,y)
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#define ORTE_THREAD_ADD64(x,y) opal_atomic_add_64(x,y)
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#define ORTE_THREAD_ADD_SIZE_T(x,y) opal_atomic_add_size_t(x,y)
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#define ORTE_CMPSET(x, y, z) ((*(x) == (y)) ? ((*(x) = (z)), 1) : 0)
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#if OPAL_HAVE_ATOMIC_CMPSET_32
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#define ORTE_ATOMIC_CMPSET_32(x, y, z) opal_atomic_cmpset_32(x, y, z)
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# endif
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# if OPAL_HAVE_ATOMIC_CMPSET_64
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#define ORTE_ATOMIC_CMPSET_64(x, y, z) opal_atomic_cmpset_64(x, y, z)
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#endif
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#if OPAL_HAVE_ATOMIC_CMPSET_32 || OPAL_HAVE_ATOMIC_CMPSET_64
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#define ORTE_ATOMIC_CMPSET(x, y, z) opal_atomic_cmpset(x, y, z)
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#endif
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END_C_DECLS
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#endif /* ORTE_MUTEX_H */
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