optimise ev_now when \!MULTIPLICITY

[software/libev.git] / ev.h

diff --git a/ev.h b/ev.h
index 37764cd6717f709ad4731b0ea25ecddccf18ce38..cde9da047f6c12c45256d5fa4b826a477738dd6d 100644 (file)
--- a/ev.h
+++ b/ev.h
@@ -88,7 +88,7 @@ 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 +212,15 @@ 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 +262,20 @@ 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 +297,6 @@ 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
@@ -300,12 +311,12 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent
 #endif
 
 /* these may evaluate ev multiple times, and the other arguments at most once */
-/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
-#define ev_watcher_init(ev,cb_) do {           \
+/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
+#define ev_init(ev,cb_) do {                           \
   ((struct ev_watcher *)(void *)(ev))->active   =      \
   ((struct ev_watcher *)(void *)(ev))->pending  =      \
   ((struct ev_watcher *)(void *)(ev))->priority = 0;   \
-  (ev)->cb = (cb_);                            \
+  ev_set_cb ((ev), cb_);                                       \
 } while (0)
 
 #define ev_io_set(ev,fd_,events_)           do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
@@ -317,14 +328,14 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent
 #define ev_check_set(ev)                    /* nop, yes, this is a serious in-joke */
 #define ev_child_set(ev,pid_)               do { (ev)->pid = (pid_); } while (0)
 
-#define ev_io_init(ev,cb,fd,events)         do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
-#define ev_timer_init(ev,cb,after,repeat)   do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
-#define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
-#define ev_signal_init(ev,cb,signum)        do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
-#define ev_idle_init(ev,cb)                 do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
-#define ev_prepare_init(ev,cb)              do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
-#define ev_check_init(ev,cb)                do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
-#define ev_child_init(ev,cb,pid)            do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
+#define ev_io_init(ev,cb,fd,events)         do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
+#define ev_timer_init(ev,cb,after,repeat)   do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
+#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
+#define ev_signal_init(ev,cb,signum)        do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
+#define ev_idle_init(ev,cb)                 do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
+#define ev_prepare_init(ev,cb)              do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
+#define ev_check_init(ev,cb)                do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
+#define ev_child_init(ev,cb,pid)            do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
 
 #define ev_is_pending(ev)                   (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
 #define ev_is_active(ev)                    (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
@@ -332,7 +343,10 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent
 #define ev_priority(ev)                     ((struct ev_watcher *)(void *)(ev))->priority /* rw */
 #define ev_cb(ev)                           (ev)->cb /* rw */
 #define ev_set_priority(ev,pri)             ev_priority (ev) = (pri)
-#define ev_set_cb(ev,cb_)                   ev_cb (ev) = (cb_)
+
+#ifndef ev_set_cb
+# define ev_set_cb(ev,cb_)                  ev_cb (ev) = (cb_)
+#endif
 
 /* stopping (enabling, adding) a watcher does nothing if it is already running */
 /* stopping (disabling, deleting) a watcher does nothing unless its already running */