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 <sys/cdefs.h> 31 #include <machine/_threads.h> 32 #include <time.h> 33 34 _BEGIN_STD_C 35 36 typedef void (*tss_dtor_t)(void *); 37 typedef int (*thrd_start_t)(void *); 38 39 enum { 40 mtx_plain = 0x1, 41 mtx_recursive = 0x2, 42 mtx_timed = 0x4 43 }; 44 45 enum { 46 thrd_busy = 1, 47 thrd_error = 2, 48 thrd_nomem = 3, 49 thrd_success = 4, 50 thrd_timedout = 5 51 }; 52 53 #if !defined(__cplusplus) || __cplusplus < 201103L 54 #define thread_local NEWLIB_THREAD_LOCAL 55 #endif 56 57 void call_once(once_flag *, void (*)(void)); 58 int cnd_broadcast(cnd_t *); 59 void cnd_destroy(cnd_t *); 60 int cnd_init(cnd_t *); 61 int cnd_signal(cnd_t *); 62 int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict __mtx, 63 const struct timespec *__restrict) 64 __requires_exclusive(*__mtx); 65 int cnd_wait(cnd_t *, mtx_t *__mtx) 66 __requires_exclusive(*__mtx); 67 void mtx_destroy(mtx_t *__mtx) 68 __requires_unlocked(*__mtx); 69 int mtx_init(mtx_t *__mtx, int) 70 __requires_unlocked(*__mtx); 71 int mtx_lock(mtx_t *__mtx) 72 __locks_exclusive(*__mtx); 73 int mtx_timedlock(mtx_t *__restrict __mtx, 74 const struct timespec *__restrict) 75 __trylocks_exclusive(thrd_success, *__mtx); 76 int mtx_trylock(mtx_t *__mtx) 77 __trylocks_exclusive(thrd_success, *__mtx); 78 int mtx_unlock(mtx_t *__mtx) 79 __unlocks(*__mtx); 80 int thrd_create(thrd_t *, thrd_start_t, void *); 81 thrd_t thrd_current(void); 82 int thrd_detach(thrd_t); 83 int thrd_equal(thrd_t, thrd_t); 84 _Noreturn void 85 thrd_exit(int); 86 int thrd_join(thrd_t, int *); 87 int thrd_sleep(const struct timespec *, struct timespec *); 88 void thrd_yield(void); 89 int tss_create(tss_t *, tss_dtor_t); 90 void tss_delete(tss_t); 91 void * tss_get(tss_t); 92 int tss_set(tss_t, void *); 93 94 _END_STD_C 95 96 97 #endif /* !_THREADS_H_ */ 98
