# HG changeset patch
# User Thinker K.F. Li <thinker@branda.to>
# Date 1228881737 -28800
# Node ID 748896358da288e1d2240174971797b4e9e7474e
# Parent  e91ba9e197bdea910ff1fdfee8d778ea3ef9151c
Export subject_add_event_observer() to rest of the system.
- declare it in mb_observer.h

diff -r e91ba9e197bd -r 748896358da2 include/mb_observer.h
--- a/include/mb_observer.h	Wed Dec 10 11:52:36 2008 +0800
+++ b/include/mb_observer.h	Wed Dec 10 12:02:17 2008 +0800
@@ -83,6 +83,8 @@
 extern void subject_notify(subject_t *subject, event_t *evt);
 extern observer_t *subject_add_observer(subject_t *subject,
 					evt_handler hdr, void *arg);
+extern observer_t *subject_add_event_observer(subject_t *subject, int type,
+					      evt_handler hdr, void *arg);
 extern void subject_remove_observer(subject_t *subject,
 				    observer_t *observer);
 
diff -r e91ba9e197bd -r 748896358da2 src/observer.c
--- a/src/observer.c	Wed Dec 10 11:52:36 2008 +0800
+++ b/src/observer.c	Wed Dec 10 12:02:17 2008 +0800
@@ -83,6 +83,8 @@
     }
 }
 
+/*! \brief Add an observer for any type of events.
+ */
 observer_t *subject_add_observer(subject_t *subject,
 				 evt_handler hdr, void *arg) {
     ob_factory_t *factory = subject->factory;
@@ -100,6 +102,8 @@
     return observer;
 }
 
+/*! \brief Add an observer for specified type of events.
+ */
 observer_t *subject_add_event_observer(subject_t *subject, int type,
 				 evt_handler hdr, void *arg) {
     ob_factory_t *factory = subject->factory;