40 lines
1.1 KiB
C
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
|