*** empty log message ***

[software/libev.git] / ev.h

diff --git a/ev.h b/ev.h
index 801783847dc2f5f8a7c10d7b99d496f391ea0257..4c915a010bbba5e3e7af4a03d5fdd6e4f48a8b85 100644 (file)
--- 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
@@ -88,7 +96,7 @@ struct ev_loop;
 #define EV_VERSION_MINOR 1
 
 #ifndef EV_CB_DECLARE
-# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents)
+# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
 #endif
 #ifndef EV_CB_INVOKE
 # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
@@ -212,14 +220,15 @@ union ev_any_watcher
 {
   struct ev_watcher w;
   struct ev_watcher_list wl;
+
   struct ev_io io;
   struct ev_timer timer;
   struct ev_periodic periodic;
-  struct ev_signal signal;
   struct ev_idle idle;
-  struct ev_child child;
   struct ev_prepare prepare;
   struct ev_check check;
+  struct ev_signal signal;
+  struct ev_child child;
 };
 
 #define EVMETHOD_AUTO     0 /* consults environment */
@@ -261,8 +270,20 @@ struct ev_loop *ev_default_loop (int methods); /* returns default loop */
 struct ev_loop *ev_loop_new (int methods);
 void ev_loop_destroy (EV_P);
 void ev_loop_fork (EV_P);
+
+ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
+
 # else
+
 int ev_default_loop (int methods); /* returns true when successful */
+
+static ev_tstamp
+ev_now ()
+{
+  extern ev_tstamp ev_rt_now;
+
+  return ev_rt_now;
+}
 # endif
 
 void ev_default_destroy (void); /* destroy the default loop */
@@ -284,8 +305,6 @@ int ev_method (EV_P);
 void ev_loop (EV_P_ int flags);
 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 */
-
 /*
  * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
  * keeps one reference. if you have a long-runing watcher you never unregister that
@@ -355,9 +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);