rtt-f030/components/drivers/include/ipc/waitqueue.h

40 lines
1.1 KiB
C

#ifndef WAITQUEUE_H__
#define WAITQUEUE_H__
#include <rtthread.h>
struct rt_wqueue_node;
typedef rt_list_t rt_wqueue_t;
typedef int (*rt_wqueue_func_t)(struct rt_wqueue_node *wait, void *key);
struct rt_wqueue_node
{
rt_thread_t polling_thread;
rt_list_t list;
rt_wqueue_func_t wakeup;
rt_uint32_t key;
};
typedef struct rt_wqueue_node rt_wqueue_node_t;
int __wqueue_default_wake(struct rt_wqueue_node *wait, void *key);
void rt_wqueue_add(rt_wqueue_t *queue, struct rt_wqueue_node *node);
void rt_wqueue_remove(struct rt_wqueue_node *node);
int rt_wqueue_wait(rt_wqueue_t *queue, int condition, int timeout);
void rt_wqueue_wakeup(rt_wqueue_t *queue, void *key);
#define DEFINE_WAIT_FUNC(name, function) \
struct rt_wqueue_node name = { \
rt_current_thread, \
RT_LIST_OBJECT_INIT(((name).list)), \
\
function, \
0 \
}
#define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, __wqueue_default_wake)
#endif