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Import <threads.h> from latest FreeBSD.

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- 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
2015-10-13 17:52:34 -04:00
parent ecee0b0607
commit c98d01ee0c
3 changed files with 152 additions and 0 deletions
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5
newlib/ChangeLog
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@@ -1,3 +1,8 @@
2015-10-13 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/include/threads.h: New.
* libc/sys/rtems/include/machine/_threads.h: Likewise.
2015-10-13 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/include/sys/cdefs.h: Synchronize with latest FreeBSD

93
newlib/libc/include/threads.h Normal file
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@@ -0,0 +1,93 @@
/*-
* Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _THREADS_H_
#define _THREADS_H_
#include <machine/_threads.h>
#include <time.h>
typedef void (*tss_dtor_t)(void *);
typedef int (*thrd_start_t)(void *);
enum {
mtx_plain = 0x1,
mtx_recursive = 0x2,
mtx_timed = 0x4
};
enum {
thrd_busy = 1,
thrd_error = 2,
thrd_nomem = 3,
thrd_success = 4,
thrd_timedout = 5
};
#if !defined(__cplusplus) || __cplusplus < 201103L
#define thread_local _Thread_local
#endif
__BEGIN_DECLS
void call_once(once_flag *, void (*)(void));
int cnd_broadcast(cnd_t *);
void cnd_destroy(cnd_t *);
int cnd_init(cnd_t *);
int cnd_signal(cnd_t *);
int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict __mtx,
const struct timespec *__restrict)
__requires_exclusive(*__mtx);
int cnd_wait(cnd_t *, mtx_t *__mtx)
__requires_exclusive(*__mtx);
void mtx_destroy(mtx_t *__mtx)
__requires_unlocked(*__mtx);
int mtx_init(mtx_t *__mtx, int)
__requires_unlocked(*__mtx);
int mtx_lock(mtx_t *__mtx)
__locks_exclusive(*__mtx);
int mtx_timedlock(mtx_t *__restrict __mtx,
const struct timespec *__restrict)
__trylocks_exclusive(thrd_success, *__mtx);
int mtx_trylock(mtx_t *__mtx)
__trylocks_exclusive(thrd_success, *__mtx);
int mtx_unlock(mtx_t *__mtx)
__unlocks(*__mtx);
int thrd_create(thrd_t *, thrd_start_t, void *);
thrd_t thrd_current(void);
int thrd_detach(thrd_t);
int thrd_equal(thrd_t, thrd_t);
_Noreturn void
thrd_exit(int);
int thrd_join(thrd_t, int *);
int thrd_sleep(const struct timespec *, struct timespec *);
void thrd_yield(void);
int tss_create(tss_t *, tss_dtor_t);
void tss_delete(tss_t);
void * tss_get(tss_t);
int tss_set(tss_t, void *);
__END_DECLS
#endif /* !_THREADS_H_ */

54
newlib/libc/sys/rtems/include/machine/_threads.h Normal file
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@@ -0,0 +1,54 @@
/*
* Copyright (c) 2015 embedded brains GmbH. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MACHINE__THREADS_H_
#define _MACHINE__THREADS_H_
#include <machine/_default_types.h>
#include <sys/lock.h>
typedef struct _Condition_Control cnd_t;
typedef struct _Mutex_recursive_Control mtx_t;
/* pthread_t */
typedef __uint32_t thrd_t;
/* pthread_key_t */
typedef __uint32_t tss_t;
/* pthread_once_t */
typedef struct {
int _is_initialized;
int _init_executed;
} once_flag;
/* PTHREAD_ONCE_INIT */
#define ONCE_FLAG_INIT { 1, 0 }
/* PTHREAD_DESTRUCTOR_ITERATIONS */
#define TSS_DTOR_ITERATIONS 4
#endif /* _MACHINE__THREADS_H_ */