rt-thread/components/drivers/include/ipc/condvar.h

39 lines
887 B
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-11-20 Shell Add cond var API in kernel
*/
#ifndef __LWP_TERMINAL_CONDVAR_H__
#define __LWP_TERMINAL_CONDVAR_H__
#include <rtthread.h>
typedef struct rt_condvar
{
#ifdef USING_RT_OBJECT
struct rt_object parent;
#endif
rt_atomic_t waiters_cnt;
rt_atomic_t waiting_mtx;
struct rt_wqueue event;
} *rt_condvar_t;
void rt_condvar_init(rt_condvar_t cv, char *name);
int rt_condvar_timedwait(rt_condvar_t cv, rt_mutex_t mtx, int suspend_flag,
rt_tick_t timeout);
int rt_condvar_signal(rt_condvar_t cv);
int rt_condvar_broadcast(rt_condvar_t cv);
rt_inline void rt_condvar_detach(rt_condvar_t cv)
{
RT_UNUSED(cv);
return ;
}
#endif /* __LWP_TERMINAL_CONDVAR_H__ */