1 /*- 2 * Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _THREADS_H_ 28 #define _THREADS_H_ 29 30 #include <machine/_threads.h> 31 #include <time.h> 32 33 typedef void (*tss_dtor_t)(void *); 34 typedef int (*thrd_start_t)(void *); 35 36 enum { 37 mtx_plain = 0x1, 38 mtx_recursive = 0x2, 39 mtx_timed = 0x4 40 }; 41 42 enum { 43 thrd_busy = 1, 44 thrd_error = 2, 45 thrd_nomem = 3, 46 thrd_success = 4, 47 thrd_timedout = 5 48 }; 49 50 #if !defined(__cplusplus) || __cplusplus < 201103L 51 #define thread_local _Thread_local 52 #endif 53 54 __BEGIN_DECLS 55 void call_once(once_flag *, void (*)(void)); 56 int cnd_broadcast(cnd_t *); 57 void cnd_destroy(cnd_t *); 58 int cnd_init(cnd_t *); 59 int cnd_signal(cnd_t *); 60 int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict __mtx, 61 const struct timespec *__restrict) 62 __requires_exclusive(*__mtx); 63 int cnd_wait(cnd_t *, mtx_t *__mtx) 64 __requires_exclusive(*__mtx); 65 void mtx_destroy(mtx_t *__mtx) 66 __requires_unlocked(*__mtx); 67 int mtx_init(mtx_t *__mtx, int) 68 __requires_unlocked(*__mtx); 69 int mtx_lock(mtx_t *__mtx) 70 __locks_exclusive(*__mtx); 71 int mtx_timedlock(mtx_t *__restrict __mtx, 72 const struct timespec *__restrict) 73 __trylocks_exclusive(thrd_success, *__mtx); 74 int mtx_trylock(mtx_t *__mtx) 75 __trylocks_exclusive(thrd_success, *__mtx); 76 int mtx_unlock(mtx_t *__mtx) 77 __unlocks(*__mtx); 78 int thrd_create(thrd_t *, thrd_start_t, void *); 79 thrd_t thrd_current(void); 80 int thrd_detach(thrd_t); 81 int thrd_equal(thrd_t, thrd_t); 82 _Noreturn void 83 thrd_exit(int); 84 int thrd_join(thrd_t, int *); 85 int thrd_sleep(const struct timespec *, struct timespec *); 86 void thrd_yield(void); 87 int tss_create(tss_t *, tss_dtor_t); 88 void tss_delete(tss_t); 89 void * tss_get(tss_t); 90 int tss_set(tss_t, void *); 91 __END_DECLS 92 93 #endif /* !_THREADS_H_ */ 94