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authorFelix Blyakher <felixb@sgi.com>2009-06-10 17:07:47 -0500
committerFelix Blyakher <felixb@sgi.com>2009-06-10 17:07:47 -0500
commit4e73e0eb633f8a1b5cbf20e7f42c6dbfec1d1ca7 (patch)
tree0cea46e43f0625244c3d06a71d6559e5ec5419ca /include/linux/wait.h
parent4156e735d3abde8e9243b5d22f7999dd3fffab2e (diff)
parent07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/wait.h')
-rw-r--r--include/linux/wait.h35
1 files changed, 18 insertions, 17 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h
index a210ede73b56..bc024632f365 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -135,8 +135,11 @@ static inline void __remove_wait_queue(wait_queue_head_t *head,
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_locked_key(wait_queue_head_t *q, unsigned int mode, void *key);
+void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr,
+ void *key);
+void __wake_up_locked(wait_queue_head_t *q, unsigned int mode);
+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);
@@ -155,21 +158,17 @@ wait_queue_head_t *bit_waitqueue(void *, int);
#define wake_up_interruptible_all(x) __wake_up(x, TASK_INTERRUPTIBLE, 0, NULL)
#define wake_up_interruptible_sync(x) __wake_up_sync((x), TASK_INTERRUPTIBLE, 1)
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
/*
- * macro to avoid include hell
+ * Wakeup macros to be used to report events to the targets.
*/
-#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 wake_up_poll(x, m) \
+ __wake_up(x, TASK_NORMAL, 1, (void *) (m))
+#define wake_up_locked_poll(x, m) \
+ __wake_up_locked_key((x), TASK_NORMAL, (void *) (m))
+#define wake_up_interruptible_poll(x, m) \
+ __wake_up(x, TASK_INTERRUPTIBLE, 1, (void *) (m))
+#define wake_up_interruptible_sync_poll(x, m) \
+ __wake_up_sync_key((x), TASK_INTERRUPTIBLE, 1, (void *) (m))
#define __wait_event(wq, condition) \
do { \
@@ -441,13 +440,15 @@ void abort_exclusive_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);
-#define DEFINE_WAIT(name) \
+#define DEFINE_WAIT_FUNC(name, function) \
wait_queue_t name = { \
.private = current, \
- .func = autoremove_wake_function, \
+ .func = function, \
.task_list = LIST_HEAD_INIT((name).task_list), \
}
+#define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, autoremove_wake_function)
+
#define DEFINE_WAIT_BIT(name, word, bit) \
struct wait_bit_queue name = { \
.key = __WAIT_BIT_KEY_INITIALIZER(word, bit), \