2005-04-16 16:20:36 -06:00
|
|
|
/*
|
|
|
|
* workqueue.h --- work queue handling for Linux.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef _LINUX_WORKQUEUE_H
|
|
|
|
#define _LINUX_WORKQUEUE_H
|
|
|
|
|
|
|
|
#include <linux/timer.h>
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
#include <linux/bitops.h>
|
|
|
|
|
|
|
|
struct workqueue_struct;
|
|
|
|
|
|
|
|
struct work_struct {
|
|
|
|
unsigned long pending;
|
|
|
|
struct list_head entry;
|
|
|
|
void (*func)(void *);
|
|
|
|
void *data;
|
|
|
|
void *wq_data;
|
|
|
|
struct timer_list timer;
|
|
|
|
};
|
|
|
|
|
2006-02-23 11:43:43 -07:00
|
|
|
struct execute_work {
|
|
|
|
struct work_struct work;
|
|
|
|
};
|
|
|
|
|
2005-04-16 16:20:36 -06:00
|
|
|
#define __WORK_INITIALIZER(n, f, d) { \
|
|
|
|
.entry = { &(n).entry, &(n).entry }, \
|
|
|
|
.func = (f), \
|
|
|
|
.data = (d), \
|
|
|
|
.timer = TIMER_INITIALIZER(NULL, 0, 0), \
|
|
|
|
}
|
|
|
|
|
|
|
|
#define DECLARE_WORK(n, f, d) \
|
|
|
|
struct work_struct n = __WORK_INITIALIZER(n, f, d)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* initialize a work-struct's func and data pointers:
|
|
|
|
*/
|
|
|
|
#define PREPARE_WORK(_work, _func, _data) \
|
|
|
|
do { \
|
|
|
|
(_work)->func = _func; \
|
|
|
|
(_work)->data = _data; \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* initialize all of a work-struct:
|
|
|
|
*/
|
|
|
|
#define INIT_WORK(_work, _func, _data) \
|
|
|
|
do { \
|
|
|
|
INIT_LIST_HEAD(&(_work)->entry); \
|
|
|
|
(_work)->pending = 0; \
|
|
|
|
PREPARE_WORK((_work), (_func), (_data)); \
|
|
|
|
init_timer(&(_work)->timer); \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
extern struct workqueue_struct *__create_workqueue(const char *name,
|
|
|
|
int singlethread);
|
|
|
|
#define create_workqueue(name) __create_workqueue((name), 0)
|
|
|
|
#define create_singlethread_workqueue(name) __create_workqueue((name), 1)
|
|
|
|
|
|
|
|
extern void destroy_workqueue(struct workqueue_struct *wq);
|
|
|
|
|
|
|
|
extern int FASTCALL(queue_work(struct workqueue_struct *wq, struct work_struct *work));
|
|
|
|
extern int FASTCALL(queue_delayed_work(struct workqueue_struct *wq, struct work_struct *work, unsigned long delay));
|
2006-06-28 14:50:33 -06:00
|
|
|
extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
|
|
|
|
struct work_struct *work, unsigned long delay);
|
2005-04-16 16:20:36 -06:00
|
|
|
extern void FASTCALL(flush_workqueue(struct workqueue_struct *wq));
|
|
|
|
|
|
|
|
extern int FASTCALL(schedule_work(struct work_struct *work));
|
|
|
|
extern int FASTCALL(schedule_delayed_work(struct work_struct *work, unsigned long delay));
|
|
|
|
|
|
|
|
extern int schedule_delayed_work_on(int cpu, struct work_struct *work, unsigned long delay);
|
2006-01-08 02:00:43 -07:00
|
|
|
extern int schedule_on_each_cpu(void (*func)(void *info), void *info);
|
2005-04-16 16:20:36 -06:00
|
|
|
extern void flush_scheduled_work(void);
|
|
|
|
extern int current_is_keventd(void);
|
|
|
|
extern int keventd_up(void);
|
|
|
|
|
|
|
|
extern void init_workqueues(void);
|
|
|
|
void cancel_rearming_delayed_work(struct work_struct *work);
|
2005-04-16 16:23:59 -06:00
|
|
|
void cancel_rearming_delayed_workqueue(struct workqueue_struct *,
|
|
|
|
struct work_struct *);
|
2006-02-23 11:43:43 -07:00
|
|
|
int execute_in_process_context(void (*fn)(void *), void *,
|
|
|
|
struct execute_work *);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Kill off a pending schedule_delayed_work(). Note that the work callback
|
|
|
|
* function may still be running on return from cancel_delayed_work(). Run
|
|
|
|
* flush_scheduled_work() to wait on it.
|
|
|
|
*/
|
|
|
|
static inline int cancel_delayed_work(struct work_struct *work)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = del_timer_sync(&work->timer);
|
|
|
|
if (ret)
|
|
|
|
clear_bit(0, &work->pending);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|