Use #if !EV_MULTIPLICITY instead of #ifndef because it should be defined always.

[software/libev.git] / event.h

diff --git a/event.h b/event.h
index 76a521aae16fcc7de3eab909a6b4684025394430..81e725bfdc858654a42336ecf99bd470b9d93fa8 100644 (file)
--- a/event.h
+++ b/event.h
@@ -1,42 +1,64 @@
 /*
  * libevent compatibility header, only core events supported
  *
 /*
  * libevent compatibility header, only core events supported
  *

- * Copyright (c) 2007      Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>

  * All rights reserved.
  *
  * All rights reserved.
  *

- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
+ * Redistribution and use in source and binary forms, with or without modifica-
+ * tion, are permitted provided that the following conditions are 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
- *       notice, this list of conditions and the following disclaimer.
- *
- *     * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * 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.
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License ("GPL") version 2 or any later version,
+ * in which case the provisions of the GPL are applicable instead of
+ * the above. If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use your
+ * version of this file under the BSD license, indicate your decision
+ * by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL. If you do not delete the
+ * provisions above, a recipient may use your version of this file under
+ * either the BSD or the GPL.

  */
  */

-#ifndef _EVENT_H_
-#define _EVENT_H_

 
 

-#include <ev.h>
+#ifndef EVENT_H__
+#define EVENT_H__
+
+#ifdef EV_H
+# include EV_H
+#else
+# include "ev.h"
+#endif

 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 

+struct event_base;
+
+#define EVLIST_TIMEOUT  0x01
+#define EVLIST_INSERTED 0x02
+#define EVLIST_SIGNAL   0x04
+#define EVLIST_ACTIVE   0x08
+#define EVLIST_INTERNAL 0x10
+#define EVLIST_INIT     0x80
+

 struct event
 {
   /* libev watchers we map onto */
 struct event
 {
   /* libev watchers we map onto */


@@ -53,6 +75,7 @@ struct event
   int ev_fd;
   int ev_pri;
   int ev_res;
   int ev_fd;
   int ev_pri;
   int ev_res;

+  int ev_flags;

   short ev_events;
 };
 
   short ev_events;
 };
 


@@ -61,7 +84,7 @@ struct event
 #define EVENT_SIGNAL(ev)           ((int) (ev)->ev_fd)
 #define EVENT_FD(ev)               ((int) (ev)->ev_fd)
 
 #define EVENT_SIGNAL(ev)           ((int) (ev)->ev_fd)
 #define EVENT_FD(ev)               ((int) (ev)->ev_fd)
 

-#define event_initialized(ev)      1
+#define event_initialized(ev)      ((ev)->ev_flags & EVLIST_INIT)

 
 #define evtimer_add(ev,tv)         event_add (ev, tv)
 #define evtimer_set(ev,cb,data)    event_set (ev, -1, 0, cb, data)
 
 #define evtimer_add(ev,tv)         event_add (ev, tv)
 #define evtimer_set(ev,cb,data)    event_set (ev, -1, 0, cb, data)


@@ -104,15 +127,13 @@ int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg,
 
 int event_add (struct event *ev, struct timeval *tv);
 int event_del (struct event *ev);
 
 int event_add (struct event *ev, struct timeval *tv);
 int event_del (struct event *ev);

-void event_active(struct event *ev, int res, short ncalls); /* ncalls is being ignored */
+void event_active (struct event *ev, int res, short ncalls); /* ncalls is being ignored */

 
 int event_pending (struct event *ev, short, struct timeval *tv);
 
 int event_priority_init (int npri);
 int event_priority_set (struct event *ev, int pri);
 
 
 int event_pending (struct event *ev, short, struct timeval *tv);
 
 int event_priority_init (int npri);
 int event_priority_set (struct event *ev, int pri);
 

-struct event_base;
-

 int event_base_set (struct event_base *base, struct event *ev);
 int event_base_loop (struct event_base *base, int);
 int event_base_loopexit (struct event_base *base, struct timeval *tv);
 int event_base_set (struct event_base *base, struct event *ev);
 int event_base_loop (struct event_base *base, int);
 int event_base_loopexit (struct event_base *base, struct timeval *tv);


@@ -120,9 +141,8 @@ int event_base_dispatch (struct event_base *base);
 int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
 int event_base_priority_init (struct event_base *base, int fd);
 
 int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
 int event_base_priority_init (struct event_base *base, int fd);
 

-#ifndef EV_STANDALONE
-# include "event_compat.h"
-#endif
+/* next line is different in the libevent+libev version */
+/*libevent-include*/

 
 #ifdef __cplusplus
 }
 
 #ifdef __cplusplus
 }