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https://github.com/intel/linux-sgx
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lzha101
ca3795bdfb
Make sure the pthread structures be initialized by PTHREAD_*_INITIALIZER. Also fix one potential race condition issue. Signed-off-by: Zhang Lili <lili.z.zhang@intel.com>
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/* $OpenBSD: rthread_cond.c,v 1.5 2019/01/29 17:40:26 mpi Exp $ */
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/*
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* Copyright (c) 2017 Martin Pieuchot <mpi@openbsd.org>
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* Copyright (c) 2012 Philip Guenther <guenther@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "sgx_trts.h"
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#include "sgx_spinlock.h"
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#include "pthread_imp.h"
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#include "util.h"
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static volatile uint32_t static_init_lock = SGX_SPINLOCK_INITIALIZER;
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int pthread_rwlock_init(pthread_rwlock_t *rwlockp, const pthread_rwlockattr_t *attr)
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{
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UNUSED(attr);
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return sgx_thread_rwlock_init(rwlockp, NULL);
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}
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int pthread_rwlock_destroy(pthread_rwlock_t *rwlockp)
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{
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return sgx_thread_rwlock_destroy(rwlockp);
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}
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int pthread_rwlock_rdlock(pthread_rwlock_t *rwlockp)
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{
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return sgx_thread_rwlock_rdlock(rwlockp);
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}
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int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlockp)
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{
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return sgx_thread_rwlock_tryrdlock(rwlockp);
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}
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int pthread_rwlock_wrlock(pthread_rwlock_t *rwlockp)
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{
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return sgx_thread_rwlock_wrlock(rwlockp);
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}
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int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlockp)
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{
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return sgx_thread_rwlock_trywrlock(rwlockp);
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}
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int pthread_rwlock_unlock(pthread_rwlock_t *rwlockp)
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{
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return sgx_thread_rwlock_unlock(rwlockp);
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}
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