--- libev/ev.h	2009/03/28 22:17:17	1.112
+++ libev/ev.h	2009/04/25 14:12:48	1.115
@@ -82,6 +82,10 @@
 # define EV_ASYNC_ENABLE 1
 #endif
 
+#ifndef EV_WALK_ENABLE
+# define EV_WALK_ENABLE 0 /* not yet */
+#endif
+
 #ifndef EV_ATOMIC_T
 # include <signal.h>
 # define EV_ATOMIC_T sig_atomic_t volatile
@@ -147,6 +151,7 @@
 #define EV_EMBED    0x00010000 /* embedded event loop needs sweep */
 #define EV_FORK     0x00020000 /* event loop resumed in child */
 #define EV_ASYNC    0x00040000 /* async intra-loop signal */
+#define EV_CUSTOM   0x01000000 /* for use by user code */
 #define EV_ERROR    0x80000000 /* sent when an error occurs */
 
 /* can be used to add custom fields to all watchers, while losing binary compatibility */
@@ -493,7 +498,7 @@
 /* you can actually call it at any time, anywhere :) */
 void ev_default_fork (void);
 
-#if 0
+#if EV_WALK_ENABLE
 /* walk (almost) all watchers in the loop of a given type, invoking the */
 /* callback on every such watcher. The callback might stop the watcher, */
 /* but do nothing else with the loop */
@@ -525,8 +530,16 @@
 void ev_ref   (EV_P);
 void ev_unref (EV_P);
 
-/* convenience function, wait for a single event, without registering an event watcher */
-/* if timeout is < 0, do wait indefinitely */
+/*
+ * stop/start the timer handling.
+ */
+void ev_suspend (EV_P);
+void ev_resume  (EV_P);
+
+/*
+ * convenience function, wait for a single event, without registering an event watcher
+ * if timeout is < 0, do wait indefinitely
+ */
 void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
 #endif