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

Comparing libev/ev.c (file contents):
Revision 1.193 by root, Sat Dec 22 05:47:58 2007 UTC vs.
Revision 1.199 by root, Tue Dec 25 07:05:45 2007 UTC

  * libev event processing core, watcher management
  *
  * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * Redistribution and use in source and binary forms, with or without modifica-
- * modification, are permitted provided that the following conditions are
+ * tion, are permitted provided that the following conditions are met:
- * met:
+ *
+ *   1.  Redistributions of source code must retain the above copyright notice,
+ *       this list of conditions and the following disclaimer.
+ *
+ *   2.  Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
+ * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
+ * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
+ * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *     * Redistributions of source code must retain the above copyright
+ * Alternatively, the contents of this file may be used under the terms of
- *       notice, this list of conditions and the following disclaimer.
+ * the GNU General Public License ("GPL") version 2 or any later version,
- *
+ * in which case the provisions of the GPL are applicable instead of
- *     * Redistributions in binary form must reproduce the above
+ * the above. If you wish to allow the use of your version of this file
- *       copyright notice, this list of conditions and the following
+ * only under the terms of the GPL and not to allow others to use your
- *       disclaimer in the documentation and/or other materials provided
+ * version of this file under the BSD license, indicate your decision
- *       with the distribution.
+ * by deleting the provisions above and replace them with the notice
- *
+ * and other provisions required by the GPL. If you do not delete the
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * provisions above, a recipient may use your version of this file under
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * either the BSD or the GPL.
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifdef __cplusplus
 extern "C" {
 #endif
 typedef ev_watcher *W;
 typedef ev_watcher_list *WL;
 typedef ev_watcher_time *WT;
+#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 int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
+static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
+#endif
 #ifdef _WIN32
 # include "ev_win32.c"
 #endif
 }
 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
+  /* please fix it and tell me how to detect the fix */
-       | EVBACKEND_PORT;
+  flags &= ~EVBACKEND_EPOLL;
+  return flags;
 }
 unsigned int
 ev_backend (EV_P)
 {
   ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
   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
 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)
 {
   if (expect_false (ev_is_active (w)))
   ev_prepare_init (&w->prepare, embed_prepare_cb);
   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);
 }
 void
 ev_embed_stop (EV_P_ ev_embed *w)

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Comparing libev/ev.c (file contents): Revision 1.193 by root, Sat Dec 22 05:47:58 2007 UTC vs. Revision 1.199 by root, Tue Dec 25 07:05:45 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.193 by root, Sat Dec 22 05:47:58 2007 UTC vs.
Revision 1.199 by root, Tue Dec 25 07:05:45 2007 UTC