*** empty log message ***

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index ed0be4133f909838627a13965141e61c3d997b67..53491e1130c6c2c7093b1fd52d7f213ac2a32cd4 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -147,6 +147,12 @@ typedef struct ev_watcher_time *WT;
 
 static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
 
+#if WIN32
+/* note: the comment below could not be substantiated, but what would I care */
+/* MSDN says this is required to handle SIGFPE */
+volatile double SIGFPE_REQ = 0.0f; 
+#endif
+
 /*****************************************************************************/
 
 typedef struct
@@ -234,6 +240,17 @@ ev_now (EV_P)
       cur = newcnt;                                    \
     }
 
+#define array_slim(stem)                                       \
+  if (stem ## max < array_roundsize (stem ## cnt >> 2))                \
+    {                                                          \
+      stem ## max = array_roundsize (stem ## cnt >> 1);                \
+      base = realloc (base, sizeof (*base) * (stem ## max));   \
+      fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
+    }
+
+#define array_free(stem, idx) \
+  free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
+
 /*****************************************************************************/
 
 static void
@@ -308,11 +325,8 @@ fd_reify (EV_P)
 
       anfd->reify = 0;
 
-      if (anfd->events != events)
-        {
-          method_modify (EV_A_ fd, anfd->events, events);
-          anfd->events = events;
-        }
+      method_modify (EV_A_ fd, anfd->events, events);
+      anfd->events = events;
     }
 
   fdchangecnt = 0;
@@ -458,6 +472,10 @@ signals_init (ANSIG *base, int count)
 static void
 sighandler (int signum)
 {
+#if WIN32
+  signal (signum, sighandler);
+#endif
+
   signals [signum - 1].gotsig = 1;
 
   if (!gotsig)
@@ -524,9 +542,9 @@ child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
   for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
     if (w->pid == pid || !w->pid)
       {
-        w->priority = sw->priority; /* need to do it *now* */
-        w->rpid     = pid;
-        w->rstatus  = status;
+        ev_priority (w) = ev_priority (sw); /* need to do it *now* */
+        w->rpid         = pid;
+        w->rstatus      = status;
         event (EV_A_ (W)w, EV_CHILD);
       }
 }
@@ -639,6 +657,8 @@ loop_init (EV_P_ int methods)
 void
 loop_destroy (EV_P)
 {
+  int i;
+
 #if EV_USE_WIN32
   if (method == EVMETHOD_WIN32 ) win32_destroy  (EV_A);
 #endif
@@ -655,6 +675,16 @@ loop_destroy (EV_P)
   if (method == EVMETHOD_SELECT) select_destroy (EV_A);
 #endif
 
+  for (i = NUMPRI; i--; )
+    array_free (pending, [i]);
+
+  array_free (fdchange, );
+  array_free (timer, );
+  array_free (periodic, );
+  array_free (idle, );
+  array_free (prepare, );
+  array_free (check, );
+
   method = 0;
   /*TODO*/
 }
@@ -806,7 +836,7 @@ call_pending (EV_P)
 static void
 timers_reify (EV_P)
 {
-  while (timercnt && timers [0]->at <= mn_now)
+  while (timercnt && ((WT)timers [0])->at <= mn_now)
     {
       struct ev_timer *w = timers [0];
 
@@ -816,7 +846,7 @@ timers_reify (EV_P)
       if (w->repeat)
         {
           assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
-          w->at = mn_now + w->repeat;
+          ((WT)w)->at = mn_now + w->repeat;
           downheap ((WT *)timers, timercnt, 0);
         }
       else
@@ -829,7 +859,7 @@ timers_reify (EV_P)
 static void
 periodics_reify (EV_P)
 {
-  while (periodiccnt && periodics [0]->at <= rt_now)
+  while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
     {
       struct ev_periodic *w = periodics [0];
 
@@ -838,8 +868,8 @@ periodics_reify (EV_P)
       /* first reschedule or stop timer */
       if (w->interval)
         {
-          w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;
-          assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));
+          ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
+          assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
           downheap ((WT *)periodics, periodiccnt, 0);
         }
       else
@@ -861,7 +891,7 @@ periodics_reschedule (EV_P)
 
       if (w->interval)
         {
-          ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;
+          ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
 
           if (fabs (diff) >= 1e-4)
             {
@@ -932,7 +962,7 @@ time_update (EV_P)
 
           /* adjust timers. this is easy, as the offset is the same for all */
           for (i = 0; i < timercnt; ++i)
-            timers [i]->at += rt_now - mn_now;
+            ((WT)timers [i])->at += rt_now - mn_now;
         }
 
       mn_now = rt_now;
@@ -993,13 +1023,13 @@ ev_loop (EV_P_ int flags)
 
           if (timercnt)
             {
-              ev_tstamp to = timers [0]->at - mn_now + method_fudge;
+              ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
               if (block > to) block = to;
             }
 
           if (periodiccnt)
             {
-              ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
+              ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
               if (block > to) block = to;
             }
 
@@ -1126,7 +1156,7 @@ ev_timer_start (EV_P_ struct ev_timer *w)
   if (ev_is_active (w))
     return;
 
-  w->at += mn_now;
+  ((WT)w)->at += mn_now;
 
   assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
 
@@ -1153,7 +1183,7 @@ ev_timer_stop (EV_P_ struct ev_timer *w)
       downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
     }
 
-  w->at = w->repeat;
+  ((WT)w)->at = w->repeat;
 
   ev_stop (EV_A_ (W)w);
 }
@@ -1165,7 +1195,7 @@ ev_timer_again (EV_P_ struct ev_timer *w)
     {
       if (w->repeat)
         {
-          w->at = mn_now + w->repeat;
+          ((WT)w)->at = mn_now + w->repeat;
           downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
         }
       else
@@ -1185,7 +1215,7 @@ ev_periodic_start (EV_P_ struct ev_periodic *w)
 
   /* this formula differs from the one in periodic_reify because we do not always round up */
   if (w->interval)
-    w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;
+    ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
 
   ev_start (EV_A_ (W)w, ++periodiccnt);
   array_needsize (periodics, periodicmax, periodiccnt, );
@@ -1298,13 +1328,17 @@ ev_signal_start (EV_P_ struct ev_signal *w)
   array_needsize (signals, signalmax, w->signum, signals_init);
   wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
 
-  if (!w->next)
+  if (!((WL)w)->next)
     {
+#if WIN32
+      signal (w->signum, sighandler);
+#else
       struct sigaction sa;
       sa.sa_handler = sighandler;
       sigfillset (&sa.sa_mask);
       sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
       sigaction (w->signum, &sa, 0);
+#endif
     }
 }