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openmpi/opal/threads/mutex.c
Brian Barrett 121ca26c59 Per discussion at Develoepr's Meeting, remove Solaris threads support. Solaris
will just fall back to pthreads, which should be no problem.

This commit was SVN r29893.
2013-12-13 20:07:11 +00:00

82 строки
2.3 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2007-2013 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/threads/mutex.h"
/*
* Wait and see if some upper layer wants to use threads, if support
* exists.
*/
#if OMPI_ENABLE_THREAD_MULTIPLE
bool opal_uses_threads = false;
#endif
static void opal_mutex_construct(opal_mutex_t *m)
{
#if OPAL_HAVE_POSIX_THREADS
#if OPAL_ENABLE_DEBUG
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
/* set type to ERRORCHECK so that we catch recursive locks */
#if OMPI_HAVE_PTHREAD_MUTEX_ERRORCHECK_NP
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK_NP);
#elif OMPI_HAVE_PTHREAD_MUTEX_ERRORCHECK
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK);
#endif /* OMPI_HAVE_PTHREAD_MUTEX_ERRORCHECK_NP */
pthread_mutex_init(&m->m_lock_pthread, &attr);
pthread_mutexattr_destroy(&attr);
#else
/* Without debugging, choose the fastest available mutexes */
pthread_mutex_init(&m->m_lock_pthread, NULL);
#endif /* OPAL_ENABLE_DEBUG */
#endif
#if OPAL_ENABLE_DEBUG
m->m_lock_debug = 0;
m->m_lock_file = NULL;
m->m_lock_line = 0;
#endif
#if OPAL_HAVE_ATOMIC_SPINLOCKS
opal_atomic_init( &m->m_lock_atomic, OPAL_ATOMIC_UNLOCKED );
#endif
}
static void opal_mutex_destruct(opal_mutex_t *m)
{
#if OPAL_HAVE_POSIX_THREADS
pthread_mutex_destroy(&m->m_lock_pthread);
#endif
}
OBJ_CLASS_INSTANCE(opal_mutex_t,
opal_object_t,
opal_mutex_construct,
opal_mutex_destruct);