2015-04-11 07:44:37 +08:00
|
|
|
/* microkernel/sema.h - microkernel semaphore header file */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Copyright (c) 1997-2010, 2012-2014 Wind River Systems, Inc.
|
|
|
|
|
*
|
|
|
|
|
* 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.
|
|
|
|
|
*
|
|
|
|
|
* 3) Neither the name of Wind River Systems nor the names of its contributors
|
|
|
|
|
* may be used to endorse or promote products derived from this software without
|
|
|
|
|
* specific prior written permission.
|
|
|
|
|
*
|
|
|
|
|
* 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 HOLDER 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 SEMA_H
|
|
|
|
|
#define SEMA_H
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include <microkernel/cmdPkt.h>
|
|
|
|
|
|
|
|
|
|
extern void isr_sem_give(ksem_t sema, struct cmd_pkt_set *pSet);
|
|
|
|
|
extern void fiber_sem_give(ksem_t sema, struct cmd_pkt_set *pSet);
|
|
|
|
|
|
|
|
|
|
extern void task_sem_give(ksem_t sema);
|
|
|
|
|
extern void task_sem_group_give(ksemg_t semagroup);
|
|
|
|
|
extern int task_sem_count_get(ksem_t sema);
|
|
|
|
|
extern void task_sem_reset(ksem_t sema);
|
|
|
|
|
extern void task_sem_group_reset(ksemg_t semagroup);
|
|
|
|
|
extern int _task_sem_take(ksem_t sema, int32_t time);
|
|
|
|
|
extern ksem_t _task_sem_group_take(ksemg_t semagroup, int32_t time);
|
|
|
|
|
|
2015-05-11 22:46:39 +08:00
|
|
|
#define task_sem_take(s) _task_sem_take(s, TICKS_NONE)
|
|
|
|
|
#define task_sem_take_wait(s) _task_sem_take(s, TICKS_UNLIMITED)
|
|
|
|
|
#define task_sem_group_take_wait(g) _task_sem_group_take(g, TICKS_UNLIMITED)
|
|
|
|
|
|
2015-05-12 21:01:47 +08:00
|
|
|
#ifdef CONFIG_SYS_CLOCK_EXISTS
|
2015-05-11 22:46:39 +08:00
|
|
|
#define task_sem_take_wait_timeout(s, t) _task_sem_take(s, t)
|
|
|
|
|
#define task_sem_group_take_wait_timeout(g, t) _task_sem_group_take(g, t)
|
|
|
|
|
#endif
|
|
|
|
|
|
2015-04-11 07:44:37 +08:00
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* SEMA_H */
|
