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