122 lines
3.8 KiB
C
122 lines
3.8 KiB
C
/* $NetBSD: threads.h,v 1.3 2019/09/10 22:34:19 kamil Exp $ */
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/*-
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Kamil Rytarowski.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _THREADS_H_
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#define _THREADS_H_
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#include <sys/cdefs.h>
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#include <limits.h>
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#include <pthread.h>
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#include <stdint.h>
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#include <time.h>
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/* ISO/IEC 9899:201x 7.26.1/3 */
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#ifndef __thread_local_is_defined
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#if ((__cplusplus - 0) < 201103L)
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#define thread_local _Thread_local
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#endif
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#define __thread_local_is_defined
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#endif /* __thread_local_is_defined */
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#ifndef ONCE_FLAG_INIT
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#define ONCE_FLAG_INIT PTHREAD_ONCE_INIT
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#endif /* ONCE_FLAG_INIT */
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#ifndef TSS_DTOR_ITERATIONS
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#define TSS_DTOR_ITERATIONS PTHREAD_DESTRUCTOR_ITERATIONS
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#endif /* TSS_DTOR_ITERATIONS */
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/* ISO/IEC 9899:201x 7.26.1/4 */
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typedef pthread_cond_t cnd_t;
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typedef pthread_t thrd_t;
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typedef pthread_key_t tss_t;
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typedef pthread_mutex_t mtx_t;
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typedef void (*tss_dtor_t) (void *);
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typedef int (*thrd_start_t) (void *);
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typedef pthread_once_t once_flag;
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/* ISO/IEC 9899:201x 7.26.1/5 */
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enum {
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mtx_plain = 1,
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mtx_recursive = 2,
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mtx_timed = 4,
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_MTX_MAXTYPE = 0x7fffffff
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};
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enum {
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thrd_timedout = -1,
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thrd_success = 0,
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thrd_busy = 1,
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thrd_error = 2,
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thrd_nomem = 3,
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_THRD_MAXTYPE = 0x7fffffff
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};
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__BEGIN_DECLS
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/* ISO/IEC 9899:201x 7.26.2 Initialization functions */
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void call_once(once_flag *, void (*)(void));
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/* ISO/IEC 9899:201x 7.26.3 Condition variable functions */
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int cnd_broadcast(cnd_t *);
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void cnd_destroy(cnd_t *);
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int cnd_init(cnd_t *);
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int cnd_signal(cnd_t *);
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int cnd_timedwait(cnd_t * __restrict, mtx_t * __restrict,
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const struct timespec * __restrict);
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int cnd_wait(cnd_t *, mtx_t *);
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/* ISO/IEC 9899:201x 7.26.4 Mutex functions */
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void mtx_destroy(mtx_t *);
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int mtx_init(mtx_t *, int);
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int mtx_lock(mtx_t *);
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int mtx_timedlock(mtx_t *__restrict, const struct timespec *__restrict);
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int mtx_trylock(mtx_t *);
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int mtx_unlock(mtx_t *);
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/* ISO/IEC 9899:201x 7.26.5 Thread functions */
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int thrd_create(thrd_t *, thrd_start_t, void *);
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thrd_t thrd_current(void);
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int thrd_detach(thrd_t);
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int thrd_equal(thrd_t, thrd_t);
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__dead void thrd_exit(int);
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int thrd_join(thrd_t, int *);
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int thrd_sleep(const struct timespec *, struct timespec *);
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void thrd_yield(void);
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/* ISO/IEC 9899:201x 7.26.6 Thread-specific storage functions */
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int tss_create(tss_t *, tss_dtor_t);
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void tss_delete(tss_t);
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void *tss_get(tss_t);
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int tss_set(tss_t, void *);
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__END_DECLS
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#endif
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