struct work_struct {
atomic_long_t data;
#define WORK_STRUCT_PENDING 0 /* T if work item pending execution */
+#define WORK_STRUCT_STATIC 1 /* static initializer (debugobjects) */
#define WORK_STRUCT_FLAG_MASK (3UL)
#define WORK_STRUCT_WQ_DATA_MASK (~WORK_STRUCT_FLAG_MASK)
struct list_head entry;
};
#define WORK_DATA_INIT() ATOMIC_LONG_INIT(0)
+#define WORK_DATA_STATIC_INIT() ATOMIC_LONG_INIT(2)
struct delayed_work {
struct work_struct work;
struct timer_list timer;
};
+static inline struct delayed_work *to_delayed_work(struct work_struct *work)
+{
+ return container_of(work, struct delayed_work, work);
+}
+
struct execute_work {
struct work_struct work;
};
#endif
#define __WORK_INITIALIZER(n, f) { \
- .data = WORK_DATA_INIT(), \
+ .data = WORK_DATA_STATIC_INIT(), \
.entry = { &(n).entry, &(n).entry }, \
.func = (f), \
__WORK_INIT_LOCKDEP_MAP(#n, &(n)) \
#define PREPARE_DELAYED_WORK(_work, _func) \
PREPARE_WORK(&(_work)->work, (_func))
+#ifdef CONFIG_DEBUG_OBJECTS_WORK
+extern void __init_work(struct work_struct *work, int onstack);
+extern void destroy_work_on_stack(struct work_struct *work);
+#else
+static inline void __init_work(struct work_struct *work, int onstack) { }
+static inline void destroy_work_on_stack(struct work_struct *work) { }
+#endif
+
/*
* initialize all of a work item in one go
*
- * NOTE! No point in using "atomic_long_set()": useing a direct
+ * NOTE! No point in using "atomic_long_set()": using a direct
* assignment of the work data initializer allows the compiler
* to generate better code.
*/
#ifdef CONFIG_LOCKDEP
-#define INIT_WORK(_work, _func) \
+#define __INIT_WORK(_work, _func, _onstack) \
do { \
static struct lock_class_key __key; \
\
+ __init_work((_work), _onstack); \
(_work)->data = (atomic_long_t) WORK_DATA_INIT(); \
lockdep_init_map(&(_work)->lockdep_map, #_work, &__key, 0);\
INIT_LIST_HEAD(&(_work)->entry); \
PREPARE_WORK((_work), (_func)); \
} while (0)
#else
-#define INIT_WORK(_work, _func) \
+#define __INIT_WORK(_work, _func, _onstack) \
do { \
+ __init_work((_work), _onstack); \
(_work)->data = (atomic_long_t) WORK_DATA_INIT(); \
INIT_LIST_HEAD(&(_work)->entry); \
PREPARE_WORK((_work), (_func)); \
} while (0)
#endif
+#define INIT_WORK(_work, _func) \
+ do { \
+ __INIT_WORK((_work), (_func), 0); \
+ } while (0)
+
+#define INIT_WORK_ON_STACK(_work, _func) \
+ do { \
+ __INIT_WORK((_work), (_func), 1); \
+ } while (0)
+
#define INIT_DELAYED_WORK(_work, _func) \
do { \
INIT_WORK(&(_work)->work, (_func)); \
init_timer(&(_work)->timer); \
} while (0)
-#define INIT_DELAYED_WORK_DEFERRABLE(_work, _func) \
+#define INIT_DELAYED_WORK_ON_STACK(_work, _func) \
+ do { \
+ INIT_WORK_ON_STACK(&(_work)->work, (_func)); \
+ init_timer_on_stack(&(_work)->timer); \
+ } while (0)
+
+#define INIT_DELAYED_WORK_DEFERRABLE(_work, _func) \
do { \
INIT_WORK(&(_work)->work, (_func)); \
init_timer_deferrable(&(_work)->timer); \
extern void flush_workqueue(struct workqueue_struct *wq);
extern void flush_scheduled_work(void);
+extern void flush_delayed_work(struct delayed_work *work);
extern int schedule_work(struct work_struct *work);
extern int schedule_work_on(int cpu, struct work_struct *work);
return ret;
}
+/*
+ * Like above, but uses del_timer() instead of del_timer_sync(). This means,
+ * if it returns 0 the timer function may be running and the queueing is in
+ * progress.
+ */
+static inline int __cancel_delayed_work(struct delayed_work *work)
+{
+ int ret;
+
+ ret = del_timer(&work->timer);
+ if (ret)
+ work_clear_pending(&work->work);
+ return ret;
+}
+
extern int cancel_delayed_work_sync(struct delayed_work *work);
/* Obsolete. use cancel_delayed_work_sync() */
cancel_delayed_work_sync(work);
}
+#ifndef CONFIG_SMP
+static inline long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg)
+{
+ return fn(arg);
+}
+#else
+long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg);
+#endif /* CONFIG_SMP */
#endif