*/
#define is_sync_wait(wait) (!(wait) || ((wait)->private))
-extern void FASTCALL(add_wait_queue(wait_queue_head_t *q, wait_queue_t * wait));
-extern void FASTCALL(add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t * wait));
-extern void FASTCALL(remove_wait_queue(wait_queue_head_t *q, wait_queue_t * wait));
+extern void add_wait_queue(wait_queue_head_t *q, wait_queue_t *wait);
+extern void add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t *wait);
+extern void remove_wait_queue(wait_queue_head_t *q, wait_queue_t *wait);
static inline void __add_wait_queue(wait_queue_head_t *head, wait_queue_t *new)
{
list_del(&old->task_list);
}
-void FASTCALL(__wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key));
-extern void FASTCALL(__wake_up_locked(wait_queue_head_t *q, unsigned int mode));
-extern void FASTCALL(__wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr));
-void FASTCALL(__wake_up_bit(wait_queue_head_t *, void *, int));
-int FASTCALL(__wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned));
-int FASTCALL(__wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned));
-void FASTCALL(wake_up_bit(void *, int));
-int FASTCALL(out_of_line_wait_on_bit(void *, int, int (*)(void *), unsigned));
-int FASTCALL(out_of_line_wait_on_bit_lock(void *, int, int (*)(void *), unsigned));
-wait_queue_head_t *FASTCALL(bit_waitqueue(void *, int));
-
-#define wake_up(x) __wake_up(x, TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 1, NULL)
-#define wake_up_nr(x, nr) __wake_up(x, TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, nr, NULL)
-#define wake_up_all(x) __wake_up(x, TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE, 0, NULL)
+void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
+extern void __wake_up_locked(wait_queue_head_t *q, unsigned int mode);
+extern void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr);
+void __wake_up_bit(wait_queue_head_t *, void *, int);
+int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned);
+int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned);
+void wake_up_bit(void *, int);
+int out_of_line_wait_on_bit(void *, int, int (*)(void *), unsigned);
+int out_of_line_wait_on_bit_lock(void *, int, int (*)(void *), unsigned);
+wait_queue_head_t *bit_waitqueue(void *, int);
+
+#define wake_up(x) __wake_up(x, TASK_NORMAL, 1, NULL)
+#define wake_up_nr(x, nr) __wake_up(x, TASK_NORMAL, nr, NULL)
+#define wake_up_all(x) __wake_up(x, TASK_NORMAL, 0, NULL)
+#define wake_up_locked(x) __wake_up_locked((x), TASK_NORMAL)
+
#define wake_up_interruptible(x) __wake_up(x, TASK_INTERRUPTIBLE, 1, NULL)
#define wake_up_interruptible_nr(x, nr) __wake_up(x, TASK_INTERRUPTIBLE, nr, NULL)
#define wake_up_interruptible_all(x) __wake_up(x, TASK_INTERRUPTIBLE, 0, NULL)
-#define wake_up_locked(x) __wake_up_locked((x), TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE)
-#define wake_up_interruptible_sync(x) __wake_up_sync((x),TASK_INTERRUPTIBLE, 1)
+#define wake_up_interruptible_sync(x) __wake_up_sync((x), TASK_INTERRUPTIBLE, 1)
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+/*
+ * macro to avoid include hell
+ */
+#define wake_up_nested(x, s) \
+do { \
+ unsigned long flags; \
+ \
+ spin_lock_irqsave_nested(&(x)->lock, flags, (s)); \
+ wake_up_locked(x); \
+ spin_unlock_irqrestore(&(x)->lock, flags); \
+} while (0)
+#else
+#define wake_up_nested(x, s) wake_up(x)
+#endif
#define __wait_event(wq, condition) \
do { \
__ret; \
})
+#define __wait_event_killable(wq, condition, ret) \
+do { \
+ DEFINE_WAIT(__wait); \
+ \
+ for (;;) { \
+ prepare_to_wait(&wq, &__wait, TASK_KILLABLE); \
+ if (condition) \
+ break; \
+ if (!fatal_signal_pending(current)) { \
+ schedule(); \
+ continue; \
+ } \
+ ret = -ERESTARTSYS; \
+ break; \
+ } \
+ finish_wait(&wq, &__wait); \
+} while (0)
+
+/**
+ * wait_event_killable - sleep until a condition gets true
+ * @wq: the waitqueue to wait on
+ * @condition: a C expression for the event to wait for
+ *
+ * The process is put to sleep (TASK_KILLABLE) until the
+ * @condition evaluates to true or a signal is received.
+ * The @condition is checked each time the waitqueue @wq is woken up.
+ *
+ * wake_up() has to be called after changing any variable that could
+ * change the result of the wait condition.
+ *
+ * The function will return -ERESTARTSYS if it was interrupted by a
+ * signal and 0 if @condition evaluated to true.
+ */
+#define wait_event_killable(wq, condition) \
+({ \
+ int __ret = 0; \
+ if (!(condition)) \
+ __wait_event_killable(wq, condition, __ret); \
+ __ret; \
+})
+
/*
* Must be called with the spinlock in the wait_queue_head_t held.
*/
/*
* These are the old interfaces to sleep waiting for an event.
- * They are racy. DO NOT use them, use the wait_event* interfaces above.
- * We plan to remove these interfaces during 2.7.
+ * They are racy. DO NOT use them, use the wait_event* interfaces above.
+ * We plan to remove these interfaces.
*/
-extern void FASTCALL(sleep_on(wait_queue_head_t *q));
-extern long FASTCALL(sleep_on_timeout(wait_queue_head_t *q,
- signed long timeout));
-extern void FASTCALL(interruptible_sleep_on(wait_queue_head_t *q));
-extern long FASTCALL(interruptible_sleep_on_timeout(wait_queue_head_t *q,
- signed long timeout));
+extern void sleep_on(wait_queue_head_t *q);
+extern long sleep_on_timeout(wait_queue_head_t *q,
+ signed long timeout);
+extern void interruptible_sleep_on(wait_queue_head_t *q);
+extern long interruptible_sleep_on_timeout(wait_queue_head_t *q,
+ signed long timeout);
/*
* Waitqueues which are removed from the waitqueue_head at wakeup time
*/
-void FASTCALL(prepare_to_wait(wait_queue_head_t *q,
- wait_queue_t *wait, int state));
-void FASTCALL(prepare_to_wait_exclusive(wait_queue_head_t *q,
- wait_queue_t *wait, int state));
-void FASTCALL(finish_wait(wait_queue_head_t *q, wait_queue_t *wait));
+void prepare_to_wait(wait_queue_head_t *q, wait_queue_t *wait, int state);
+void prepare_to_wait_exclusive(wait_queue_head_t *q, wait_queue_t *wait, int state);
+void finish_wait(wait_queue_head_t *q, wait_queue_t *wait);
int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);