rtt-f030/components/libc/dlib/rmtx.c

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2015-01-31 11:13:50 +08:00
/*
* File : rmtx.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2015-01-28 Bernard first version
*/
#include <rtthread.h>
#include <yfuns.h>
/*
* for IAR compiler, we recommand to define _DLIB_THREAD_SUPPORT
* as 2 for dlib multi-thread support.
*/
#if _DLIB_THREAD_SUPPORT
typedef void* _Rmtx;
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void _Mtxinit(_Rmtx *m)
{
rt_mutex_t mutex;
RT_ASSERT(m != RT_NULL);
mutex = (rt_mutex_t)m;
rt_mutex_init(mutex, "iarMtx", RT_IPC_FLAG_FIFO);
}
void _Mtxdst(_Rmtx *m)
{
rt_mutex_t mutex;
RT_ASSERT(m != RT_NULL);
mutex = (rt_mutex_t)m;
rt_mutex_detach(mutex);
}
void _Mtxlock(_Rmtx *m)
{
rt_mutex_t mutex;
RT_ASSERT(m != RT_NULL);
mutex = (rt_mutex_t)m;
rt_mutex_take(mutex, RT_WAITING_FOREVER);
}
void _Mtxunlock(_Rmtx *m)
{
rt_mutex_t mutex;
RT_ASSERT(m != RT_NULL);
mutex = (rt_mutex_t)m;
rt_mutex_release(mutex);
}
#endif