[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.425 by root, Sun May 6 13:09:35 2012 UTC vs.
Revision 1.426 by root, Sun May 6 13:42:10 2012 UTC

 #if EV_FEATURE_API
 void ecb_cold
 ev_verify (EV_P) EV_THROW
 {
 #if EV_VERIFY
-  int i;
+  int i, j;
-  WL w;
+  WL w, w2;
   assert (activecnt >= -1);
   assert (fdchangemax >= fdchangecnt);
   for (i = 0; i < fdchangecnt; ++i)
     assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
   assert (anfdmax >= 0);
-  for (i = 0; i < anfdmax; ++i)
+  for (i = j = 0; i < anfdmax; ++i)
-    for (w = anfds [i].head; w; w = w->next)
+    for (w = w2 = anfds [i].head; w; w = w->next)
       {
         verify_watcher (EV_A_ (W)w);
+        if (++j & 1)
+          w2 = w2->next;
+        assert (("libev: io watcher list contains a loop", w != w2));
         assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
         assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
       }
   assert (timermax >= timercnt);
   EV_FREQUENT_CHECK;
   ev_start (EV_A_ (W)w, 1);
   array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
   wlist_add (&anfds[fd].head, (WL)w);
+  /* common bug, apparently */
+  assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
   fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
   w->events &= ~EV__IOFDSET;
   EV_FREQUENT_CHECK;

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