--- libev/ev.c	2009/03/16 21:15:06	1.281
+++ libev/ev.c	2009/03/28 22:17:17	1.282
@@ -3148,6 +3148,114 @@
     }
 }
 
+/*****************************************************************************/
+
+#if 0
+void
+ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
+{
+  int i, j;
+  ev_watcher_list *wl, *wn;
+
+  if (types & (EV_IO | EV_EMBED))
+    for (i = 0; i < anfdmax; ++i)
+      for (wl = anfds [i].head; wl; )
+        {
+          wn = wl->next;
+
+#if EV_EMBED_ENABLE
+          if (ev_cb ((ev_io *)wl) == embed_io_cb)
+            {
+              if (types & EV_EMBED)
+                cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io));
+            }
+          else
+#endif
+#if EV_USE_INOTIFY
+          if (ev_cb ((ev_io *)wl) == infy_cb)
+            ;
+          else
+#endif
+          if ((ev_io *)wl != &pipeev)
+            if (types & EV_IO)
+              cb (EV_A_ EV_IO, wl);
+
+          wl = wn;
+        }
+
+  if (types & (EV_TIMER | EV_STAT))
+    for (i = timercnt + HEAP0; i-- > HEAP0; )
+#if EV_STAT_ENABLE
+      /*TODO: timer is not always active*/
+      if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb)
+        {
+          if (types & EV_STAT)
+            cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer));
+        }
+      else
+#endif
+      if (types & EV_TIMER)
+        cb (EV_A_ EV_TIMER, ANHE_w (timers [i]));
+
+#if EV_PERIODIC_ENABLE
+  if (types & EV_PERIODIC)
+    for (i = periodiccnt + HEAP0; i-- > HEAP0; )
+      cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
+#endif
+
+#if EV_IDLE_ENABLE
+  if (types & EV_IDLE)
+    for (j = NUMPRI; i--; )
+      for (i = idlecnt [j]; i--; )
+        cb (EV_A_ EV_IDLE, idles [j][i]);
+#endif
+
+#if EV_FORK_ENABLE
+  if (types & EV_FORK)
+    for (i = forkcnt; i--; )
+      if (ev_cb (forks [i]) != embed_fork_cb)
+        cb (EV_A_ EV_FORK, forks [i]);
+#endif
+
+#if EV_ASYNC_ENABLE
+  if (types & EV_ASYNC)
+    for (i = asynccnt; i--; )
+      cb (EV_A_ EV_ASYNC, asyncs [i]);
+#endif
+
+  if (types & EV_PREPARE)
+    for (i = preparecnt; i--; )
+#if EV_EMBED_ENABLE
+      if (ev_cb (prepares [i]) != embed_prepare_cb)
+#endif
+        cb (EV_A_ EV_PREPARE, prepares [i]);
+
+  if (types & EV_CHECK)
+    for (i = checkcnt; i--; )
+      cb (EV_A_ EV_CHECK, checks [i]);
+
+  if (types & EV_SIGNAL)
+    for (i = 0; i < signalmax; ++i)
+      for (wl = signals [i].head; wl; )
+        {
+          wn = wl->next;
+          cb (EV_A_ EV_SIGNAL, wl);
+          wl = wn;
+        }
+
+  if (types & EV_CHILD)
+    for (i = EV_PID_HASHSIZE; i--; )
+      for (wl = childs [i]; wl; )
+        {
+          wn = wl->next;
+          cb (EV_A_ EV_CHILD, wl);
+          wl = wn;
+        }
+/* EV_STAT     0x00001000 /* stat data changed */
+/* EV_EMBED    0x00010000 /* embedded event loop needs sweep */
+}
+#endif
+
 #if EV_MULTIPLICITY
   #include "ev_wrap.h"
 #endif