time: ntp: refactor do_adjtimex() some more
[safe/jmp/linux-2.6] / include / linux / wait.h
index 33a2aa9..a210ede 100644 (file)
@@ -108,18 +108,9 @@ static inline int waitqueue_active(wait_queue_head_t *q)
        return !list_empty(&q->task_list);
 }
 
-/*
- * Used to distinguish between sync and async io wait context:
- * sync i/o typically specifies a NULL wait queue entry or a wait
- * queue entry bound to a task (current task) to wake up.
- * aio specifies a wait queue entry with an async notification
- * callback routine, not associated with any task.
- */
-#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)
 {
@@ -141,16 +132,18 @@ static inline void __remove_wait_queue(wait_queue_head_t *head,
        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));
+void __wake_up_common(wait_queue_head_t *q, unsigned int mode,
+                       int nr_exclusive, int sync, void *key);
+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)
@@ -342,16 +335,19 @@ do {                                                                      \
        for (;;) {                                                      \
                prepare_to_wait_exclusive(&wq, &__wait,                 \
                                        TASK_INTERRUPTIBLE);            \
-               if (condition)                                          \
+               if (condition) {                                        \
+                       finish_wait(&wq, &__wait);                      \
                        break;                                          \
+               }                                                       \
                if (!signal_pending(current)) {                         \
                        schedule();                                     \
                        continue;                                       \
                }                                                       \
                ret = -ERESTARTSYS;                                     \
+               abort_exclusive_wait(&wq, &__wait,                      \
+                               TASK_INTERRUPTIBLE, NULL);              \
                break;                                                  \
        }                                                               \
-       finish_wait(&wq, &__wait);                                      \
 } while (0)
 
 #define wait_event_interruptible_exclusive(wq, condition)              \
@@ -437,11 +433,11 @@ extern long interruptible_sleep_on_timeout(wait_queue_head_t *q,
 /*
  * 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);
+void abort_exclusive_wait(wait_queue_head_t *q, wait_queue_t *wait,
+                       unsigned int mode, void *key);
 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);