--- libev/ev.h	2007/11/03 21:58:51	1.27
+++ libev/ev.h	2007/11/04 00:24:17	1.29
@@ -44,10 +44,23 @@
 # define EV_MAXPRI +2
 #endif
 
-#define EV_P void
-#define EV_P_
-#define EV_A
-#define EV_A_
+#ifndef EV_MULTIPLICITY
+# define EV_MULTIPLICITY 1
+#endif
+
+/* support multiple event loops? */
+#if EV_MULTIPLICITY
+struct ev_loop;
+# define EV_P struct ev_loop *loop
+# define EV_P_ EV_P,
+# define EV_A loop
+# define EV_A_ EV_A,
+#else
+# define EV_P void
+# define EV_P_
+# define EV_A
+# define EV_A_
+#endif
 
 /* eventmask, revents, events... */
 #define EV_UNDEF          -1 /* guaranteed to be invalid */
@@ -145,6 +158,9 @@
 struct ev_signal
 {
   EV_WATCHER_LIST (ev_signal);
+#if EV_MULTIPLICITY
+  struct ev_loop *loop;
+#endif
 
   int signum; /* ro */
 };
@@ -191,9 +207,8 @@
 #define EVMETHOD_DEVPOLL 16 /* NYI */
 #define EVMETHOD_PORT    32 /* NYI */
 #define EVMETHOD_ANY     ~0 /* any method, do not consult env */
+
 #if EV_PROTOTYPES
-int ev_method (EV_P);
-int ev_init (EV_P_ int methods); /* returns ev_method */
 int ev_version_major (void);
 int ev_version_minor (void);
 
@@ -203,13 +218,26 @@
 void ev_fork_child (void);
 
 ev_tstamp ev_time (void);
+
+# if EV_MULTIPLICITY
+struct ev_loop *ev_loop_new (int methods);
+void ev_loop_delete (EV_P);
+# else
+int ev_init (int methods); /* returns ev_method */
+# endif
+
+int ev_method (EV_P);
+
 #endif
 
 #define EVLOOP_NONBLOCK	1 /* do not block/wait */
 #define EVLOOP_ONESHOT	2 /* block *once* only */
+#define EVUNLOOP_ONCE   1 /* unloop once */
+#define EVUNLOOP_ALL    2 /* unloop all loops */
+
 #if EV_PROTOTYPES
 void ev_loop (EV_P_ int flags);
-void ev_unloop (EV_P_ int status); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
+void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
 
 ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */