applied fix by chris brody

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index 35180023c603d60532c1f2008223a822a8ecdc47..8cb61413c15c2cc048cb97d74f13f7f14adc017b 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -888,6 +888,12 @@ ev_backend (EV_P)
   return backend;
 }
 
+unsigned int
+ev_loop_count (EV_P)
+{
+  return loop_count;
+}
+
 static void noinline
 loop_init (EV_P_ unsigned int flags)
 {
@@ -1344,7 +1350,7 @@ ev_loop (EV_P_ int flags)
 
   call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
 
-  while (activecnt)
+  do
     {
 #ifndef _WIN32
       if (expect_false (curpid)) /* penalise the forking check even more */
@@ -1372,6 +1378,9 @@ ev_loop (EV_P_ int flags)
           call_pending (EV_A);
         }
 
+      if (expect_false (!activecnt))
+        break;
+
       /* we might have forked, so reify kernel state if necessary */
       if (expect_false (postfork))
         loop_fork (EV_A);
@@ -1383,7 +1392,7 @@ ev_loop (EV_P_ int flags)
       {
         ev_tstamp block;
 
-        if (flags & EVLOOP_NONBLOCK || idlecnt)
+        if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt))
           block = 0.; /* do not block at all */
         else
           {
@@ -1417,6 +1426,7 @@ ev_loop (EV_P_ int flags)
             if (expect_false (block < 0.)) block = 0.;
           }
 
+        ++loop_count;
         backend_poll (EV_A_ block);
       }
 
@@ -1439,9 +1449,8 @@ ev_loop (EV_P_ int flags)
 
       call_pending (EV_A);
 
-      if (expect_false (loop_done))
-        break;
     }
+  while (expect_true (activecnt && !loop_done));
 
   if (loop_done == EVUNLOOP_ONE)
     loop_done = EVUNLOOP_CANCEL;