X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/6724cd5b6ffe05187a5520b0cd3771c7dbe83896..9ddee32d6b474c0c6041fbaefade615080892b9c:/ev.h

diff --git a/ev.h b/ev.h
index 589e8ea..4c915a0 100644
--- a/ev.h
+++ b/ev.h
@@ -48,6 +48,10 @@ typedef double ev_tstamp;
 # define EV_MULTIPLICITY 1
 #endif
 
+#ifndef EV_PERIODICS
+# define EV_PERIODICS 1
+#endif
+
 /* support multiple event loops? */
 #if EV_MULTIPLICITY
 struct ev_loop;
@@ -55,28 +59,32 @@ struct ev_loop;
 # define EV_P_ EV_P,
 # define EV_A loop
 # define EV_A_ EV_A,
+# define EV_DEFAULT_A ev_default_loop (0)
+# define EV_DEFAULT_A_ EV_DEFAULT_A,
 #else
 # define EV_P void
 # define EV_P_
 # define EV_A
 # define EV_A_
+# define EV_DEFAULT_A
+# define EV_DEFAULT_A_
 #endif
 
 /* eventmask, revents, events... */
 #define EV_UNDEF          -1 /* guaranteed to be invalid */
 #define EV_NONE         0x00
-#define EV_READ         0x01
-#define EV_WRITE        0x02
-#define EV_TIMEOUT  0x000100
-#define EV_PERIODIC 0x000200
-#define EV_SIGNAL   0x000400
-#define EV_IDLE     0x000800
-#define EV_CHECK    0x001000
-#define EV_PREPARE  0x002000
-#define EV_CHILD    0x004000
+#define EV_READ         0x01 /* io only */
+#define EV_WRITE        0x02 /* io only */
+#define EV_TIMEOUT  0x000100 /* timer only */
+#define EV_PERIODIC 0x000200 /* periodic timer only */
+#define EV_SIGNAL   0x000400 /* signal only */
+#define EV_IDLE     0x000800 /* idle only */
+#define EV_CHECK    0x001000 /* check only */
+#define EV_PREPARE  0x002000 /* prepare only */
+#define EV_CHILD    0x004000 /* child/pid only */
 #define EV_ERROR    0x800000 /* sent when an error occurs */
 
-/* can be used to add custom fields to all watchers */
+/* can be used to add custom fields to all watchers, while losing binary compatibility */
 #ifndef EV_COMMON
 # define EV_COMMON void *data
 #endif
@@ -272,7 +280,7 @@ int ev_default_loop (int methods); /* returns true when successful */
 static ev_tstamp
 ev_now ()
 {
-  extern ev_rt_now;
+  extern ev_tstamp ev_rt_now;
 
   return ev_rt_now;
 }
@@ -366,9 +374,11 @@ void ev_timer_stop     (EV_P_ struct ev_timer *w);
 /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
 void ev_timer_again    (EV_P_ struct ev_timer *w);
 
+#if EV_PERIODICS
 void ev_periodic_start (EV_P_ struct ev_periodic *w);
 void ev_periodic_stop  (EV_P_ struct ev_periodic *w);
 void ev_periodic_again (EV_P_ struct ev_periodic *w);
+#endif
 
 void ev_idle_start     (EV_P_ struct ev_idle *w);
 void ev_idle_stop      (EV_P_ struct ev_idle *w);