49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
|
#ifndef __KERN_SYNC_WAIT_H__
|
||
|
|
#define __KERN_SYNC_WAIT_H__
|
||
|
|
|
||
|
|
#include <list.h>
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
list_entry_t wait_head;
|
||
|
|
} wait_queue_t;
|
||
|
|
|
||
|
|
struct proc_struct;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
struct proc_struct *proc;
|
||
|
|
uint32_t wakeup_flags;
|
||
|
|
wait_queue_t *wait_queue;
|
||
|
|
list_entry_t wait_link;
|
||
|
|
} wait_t;
|
||
|
|
|
||
|
|
#define le2wait(le, member) \
|
||
|
|
to_struct((le), wait_t, member)
|
||
|
|
|
||
|
|
void wait_init(wait_t *wait, struct proc_struct *proc);
|
||
|
|
void wait_queue_init(wait_queue_t *queue);
|
||
|
|
void wait_queue_add(wait_queue_t *queue, wait_t *wait);
|
||
|
|
void wait_queue_del(wait_queue_t *queue, wait_t *wait);
|
||
|
|
|
||
|
|
wait_t *wait_queue_next(wait_queue_t *queue, wait_t *wait);
|
||
|
|
wait_t *wait_queue_prev(wait_queue_t *queue, wait_t *wait);
|
||
|
|
wait_t *wait_queue_first(wait_queue_t *queue);
|
||
|
|
wait_t *wait_queue_last(wait_queue_t *queue);
|
||
|
|
|
||
|
|
bool wait_queue_empty(wait_queue_t *queue);
|
||
|
|
bool wait_in_queue(wait_t *wait);
|
||
|
|
void wakeup_wait(wait_queue_t *queue, wait_t *wait, uint32_t wakeup_flags, bool del);
|
||
|
|
void wakeup_first(wait_queue_t *queue, uint32_t wakeup_flags, bool del);
|
||
|
|
void wakeup_queue(wait_queue_t *queue, uint32_t wakeup_flags, bool del);
|
||
|
|
|
||
|
|
void wait_current_set(wait_queue_t *queue, wait_t *wait, uint32_t wait_state);
|
||
|
|
|
||
|
|
#define wait_current_del(queue, wait) \
|
||
|
|
do { \
|
||
|
|
if (wait_in_queue(wait)) { \
|
||
|
|
wait_queue_del(queue, wait); \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif /* !__KERN_SYNC_WAIT_H__ */
|
||
|
|
|