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Member "usr/include/threads.h" (19 Aug 2019, 3040 Bytes) of package /windows/misc/cygwin-20190819-x86_64.tar.xz:


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    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_ */