fix and update ev_stat docs

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index 14213df8f039858fdcd18a9e79d0ff779d127b70..24d00d09e8d7c8017d4d4befa7a2e1ca708318bd 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -282,7 +282,11 @@ typedef ev_watcher *W;
 typedef ev_watcher_list *WL;
 typedef ev_watcher_time *WT;
 
-static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
+#if EV_USE_MONOTONIC
+/* sig_atomic_t is used to avoid per-thread variables or locking but still */
+/* giving it a reasonably high chance of working on typical architetcures */
+static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
+#endif
 
 #ifdef _WIN32
 # include "ev_win32.c"
@@ -972,9 +976,13 @@ ev_recommended_backends (void)
 unsigned int
 ev_embeddable_backends (void)
 {
+  int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
+
   /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
-  return EVBACKEND_KQUEUE
-       | EVBACKEND_PORT;
+  /* please fix it and tell me how to detect the fix */
+  flags &= ~EVBACKEND_EPOLL;
+
+  return flags;
 }
 
 unsigned int
@@ -2266,7 +2274,7 @@ embed_io_cb (EV_P_ ev_io *io, int revents)
   if (ev_cb (w))
     ev_feed_event (EV_A_ (W)w, EV_EMBED);
   else
-    ev_embed_sweep (loop, w);
+    ev_loop (w->other, EVLOOP_NONBLOCK);
 }
 
 static void
@@ -2274,8 +2282,24 @@ embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
 {
   ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
 
-  fd_reify (w->other);
+  {
+    struct ev_loop *loop = w->other;
+
+    while (fdchangecnt)
+      {
+        fd_reify (EV_A);
+        ev_loop (EV_A_ EVLOOP_NONBLOCK);
+      }
+  }
+}
+
+#if 0
+static void
+embed_idle_cb (EV_P_ ev_idle *idle, int revents)
+{
+  ev_idle_stop (EV_A_ idle);
 }
+#endif
 
 void
 ev_embed_start (EV_P_ ev_embed *w)
@@ -2296,6 +2320,8 @@ ev_embed_start (EV_P_ ev_embed *w)
   ev_set_priority (&w->prepare, EV_MINPRI);
   ev_prepare_start (EV_A_ &w->prepare);
 
+  /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
+
   ev_start (EV_A_ (W)w, 1);
 }