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authorAndi Kleen <andi@basil.nowhere.org>2006-11-21 10:22:09 +0100
committerAndi Kleen <andi@basil.nowhere.org>2006-11-21 10:22:09 +0100
commit1b7f6a626f0ff511c3840678466cbfe1d62c0b29 (patch)
tree415e8c838c0067bff384afb8a2c91e5f7c6d11d3 /include/linux/wait.h
parentb3edc9cec07ade41aaf1804f7c9e876afa90c862 (diff)
parent3f5a6ca31c334011fd929501a078424c0d3f71be (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.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h
index b3b9048421d8..e820d00e1383 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -79,6 +79,15 @@ struct task_struct;
extern void init_waitqueue_head(wait_queue_head_t *q);
+#ifdef CONFIG_LOCKDEP
+# define __WAIT_QUEUE_HEAD_INIT_ONSTACK(name) \
+ ({ init_waitqueue_head(&name); name; })
+# define DECLARE_WAIT_QUEUE_HEAD_ONSTACK(name) \
+ wait_queue_head_t name = __WAIT_QUEUE_HEAD_INIT_ONSTACK(name)
+#else
+# define DECLARE_WAIT_QUEUE_HEAD_ONSTACK(name) DECLARE_WAIT_QUEUE_HEAD(name)
+#endif
+
static inline void init_waitqueue_entry(wait_queue_t *q, struct task_struct *p)
{
q->flags = 0;