new helper: wait_event_killable_exclusive()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 27d7a0a..c3ff74d 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -600,6 +600,19 @@
__ret; \
})
+#define __wait_event_killable_exclusive(wq, condition) \
+ ___wait_event(wq, condition, TASK_KILLABLE, 1, 0, \
+ schedule())
+
+#define wait_event_killable_exclusive(wq, condition) \
+({ \
+ int __ret = 0; \
+ might_sleep(); \
+ if (!(condition)) \
+ __ret = __wait_event_killable_exclusive(wq, condition); \
+ __ret; \
+})
+
#define __wait_event_freezable_exclusive(wq, condition) \
___wait_event(wq, condition, TASK_INTERRUPTIBLE, 1, 0, \