Import <threads.h> from latest FreeBSD.
- Move types and defines to <machine/_threads.h> so that it can be customized per target. * libc/include/threads.h: New. * libc/sys/rtems/include/machine/_threads.h: Likewise.
This commit is contained in:
Jeff Johnston
parent
ecee0b0607
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c98d01ee0c
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@ -1,3 +1,8 @@
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2015-10-13 Sebastian Huber <sebastian.huber@embedded-brains.de>
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* libc/include/threads.h: New.
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* libc/sys/rtems/include/machine/_threads.h: Likewise.
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2015-10-13 Sebastian Huber <sebastian.huber@embedded-brains.de>
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* libc/include/sys/cdefs.h: Synchronize with latest FreeBSD
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/*-
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* Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
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* All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* 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 <machine/_threads.h>
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#include <time.h>
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typedef void (*tss_dtor_t)(void *);
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typedef int (*thrd_start_t)(void *);
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enum {
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mtx_plain = 0x1,
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mtx_recursive = 0x2,
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mtx_timed = 0x4
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};
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enum {
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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_success = 4,
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thrd_timedout = 5
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};
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#if !defined(__cplusplus) || __cplusplus < 201103L
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#define thread_local _Thread_local
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#endif
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__BEGIN_DECLS
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void call_once(once_flag *, void (*)(void));
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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 __mtx,
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const struct timespec *__restrict)
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__requires_exclusive(*__mtx);
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int cnd_wait(cnd_t *, mtx_t *__mtx)
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__requires_exclusive(*__mtx);
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void mtx_destroy(mtx_t *__mtx)
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__requires_unlocked(*__mtx);
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int mtx_init(mtx_t *__mtx, int)
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__requires_unlocked(*__mtx);
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int mtx_lock(mtx_t *__mtx)
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__locks_exclusive(*__mtx);
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int mtx_timedlock(mtx_t *__restrict __mtx,
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const struct timespec *__restrict)
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__trylocks_exclusive(thrd_success, *__mtx);
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int mtx_trylock(mtx_t *__mtx)
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__trylocks_exclusive(thrd_success, *__mtx);
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int mtx_unlock(mtx_t *__mtx)
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__unlocks(*__mtx);
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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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_Noreturn void
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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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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 /* !_THREADS_H_ */
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@ -0,0 +1,54 @@
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/*
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* Copyright (c) 2015 embedded brains GmbH. All rights reserved.
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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 COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MACHINE__THREADS_H_
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#define _MACHINE__THREADS_H_
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#include <machine/_default_types.h>
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#include <sys/lock.h>
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typedef struct _Condition_Control cnd_t;
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typedef struct _Mutex_recursive_Control mtx_t;
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/* pthread_t */
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typedef __uint32_t thrd_t;
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/* pthread_key_t */
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typedef __uint32_t tss_t;
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/* pthread_once_t */
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typedef struct {
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int _is_initialized;
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int _init_executed;
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} once_flag;
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/* PTHREAD_ONCE_INIT */
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#define ONCE_FLAG_INIT { 1, 0 }
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/* PTHREAD_DESTRUCTOR_ITERATIONS */
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#define TSS_DTOR_ITERATIONS 4
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#endif /* _MACHINE__THREADS_H_ */
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