MINOR: task/notification: Is notifications registered ?

This function returns true is some notifications are registered.

This function is usefull for the following patch

   BUG/MEDIUM: lua/socket: Sheduling error on write: may dead-lock

It should be backported in 1.6, 1.7 and 1.8

diff --git a/include/proto/task.h b/include/proto/task.h
index ef296f6e97a39b4362bdcf4fa0d23718636486ec..760b368b57e44943398b2153c52b97bf260bb452 100644 (file)
--- a/include/proto/task.h
+++ b/include/proto/task.h
@@ -462,6 +462,13 @@ static inline void notification_wake(struct list *wake)
        }
 }
 
+/* This function returns true is some notification are pending
+ */
+static inline int notification_registered(struct list *wake)
+{
+       return !LIST_ISEMPTY(wake);
+}
+
 /*
  * This does 3 things :
  *   - wake up all expired tasks