mirror of
https://github.com/intel/linux-sgx
synced 2026-06-08 14:49:32 +00:00
Zhang Lili Z
85 lines
2.3 KiB
C++
85 lines
2.3 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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int pthread_cond_init(pthread_cond_t *condp, const pthread_condattr_t *attr)
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{
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UNUSED(attr);
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pthread_cond_t cond;
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cond = (pthread_cond_t)calloc(1, sizeof(*cond));
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if (cond == NULL)
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return (ENOMEM);
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*condp = cond;
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return sgx_thread_cond_init(cond, NULL);
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}
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int pthread_cond_destroy(pthread_cond_t *condp)
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{
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int error;
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pthread_cond_t cond;
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cond = *condp;
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if (cond != NULL) {
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error = sgx_thread_cond_destroy(cond);
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if(0 != error)
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return error;
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free(cond);
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}
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*condp = NULL;
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return 0;
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}
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int pthread_cond_wait(pthread_cond_t *condp, pthread_mutex_t *mutexp)
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{
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pthread_cond_t cond;
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int error;
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if (*condp == NULL) {
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if ((error = pthread_cond_init(condp, NULL)))
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return (error);
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}
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cond = *condp;
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return sgx_thread_cond_wait(cond, *mutexp);
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}
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int pthread_cond_signal(pthread_cond_t *condp)
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{
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pthread_cond_t cond;
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if (*condp == NULL)
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return (0);
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cond = *condp;
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return sgx_thread_cond_signal(cond);
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}
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int pthread_cond_broadcast(pthread_cond_t *condp)
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{
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pthread_cond_t cond;
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if (*condp == NULL)
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return (0);
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cond = *condp;
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return sgx_thread_cond_broadcast(cond);
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}
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