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/cvs/libev/event.h
Revision: 1.18
Committed: Fri May 23 16:37:38 2008 UTC (16 years, 1 month ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-3_44, rel-3_45, rel-3_41, rel-3_42, rel-3_43, rel-3_48, rel-3_431
Changes since 1.17: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 /*
2     * libevent compatibility header, only core events supported
3     *
4 root 1.18 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
5 root 1.1 * All rights reserved.
6     *
7 root 1.17 * Redistribution and use in source and binary forms, with or without modifica-
8     * tion, are permitted provided that the following conditions are met:
9     *
10     * 1. Redistributions of source code must retain the above copyright notice,
11     * this list of conditions and the following disclaimer.
12     *
13     * 2. Redistributions in binary form must reproduce the above copyright
14     * notice, this list of conditions and the following disclaimer in the
15     * documentation and/or other materials provided with the distribution.
16     *
17     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18     * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19     * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20     * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21     * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23     * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25     * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26     * OF THE POSSIBILITY OF SUCH DAMAGE.
27 root 1.1 *
28 root 1.17 * Alternatively, the contents of this file may be used under the terms of
29     * the GNU General Public License ("GPL") version 2 or any later version,
30     * in which case the provisions of the GPL are applicable instead of
31     * the above. If you wish to allow the use of your version of this file
32     * only under the terms of the GPL and not to allow others to use your
33     * version of this file under the BSD license, indicate your decision
34     * by deleting the provisions above and replace them with the notice
35     * and other provisions required by the GPL. If you do not delete the
36     * provisions above, a recipient may use your version of this file under
37     * either the BSD or the GPL.
38 root 1.1 */
39 root 1.17
40 root 1.15 #ifndef EVENT_H__
41     #define EVENT_H__
42 root 1.1
43 root 1.14 #ifdef EV_H
44     # include EV_H
45     #else
46 root 1.17 # include "ev.h"
47 root 1.14 #endif
48 root 1.6
49 root 1.1 #ifdef __cplusplus
50     extern "C" {
51     #endif
52    
53 root 1.14 struct event_base;
54    
55 root 1.16 #define EVLIST_TIMEOUT 0x01
56     #define EVLIST_INSERTED 0x02
57     #define EVLIST_SIGNAL 0x04
58     #define EVLIST_ACTIVE 0x08
59     #define EVLIST_INTERNAL 0x10
60     #define EVLIST_INIT 0x80
61    
62 root 1.1 struct event
63 root 1.4 {
64 root 1.5 /* libev watchers we map onto */
65 root 1.4 union {
66     struct ev_io io;
67     struct ev_signal sig;
68     } iosig;
69 root 1.1 struct ev_timer to;
70    
71 root 1.4 /* compatibility slots */
72 root 1.1 struct event_base *ev_base;
73 root 1.2 void (*ev_callback)(int, short, void *arg);
74     void *ev_arg;
75 root 1.1 int ev_fd;
76     int ev_pri;
77     int ev_res;
78 root 1.16 int ev_flags;
79 root 1.2 short ev_events;
80 root 1.1 };
81    
82     #define EV_PERSIST 0x10
83    
84     #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd)
85     #define EVENT_FD(ev) ((int) (ev)->ev_fd)
86    
87 root 1.16 #define event_initialized(ev) ((ev)->ev_flags & EVLIST_INIT)
88 root 1.1
89     #define evtimer_add(ev,tv) event_add (ev, tv)
90     #define evtimer_set(ev,cb,data) event_set (ev, -1, 0, cb, data)
91     #define evtimer_del(ev) event_del (ev)
92     #define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv)
93     #define evtimer_initialized(ev) event_initialized (ev)
94    
95     #define timeout_add(ev,tv) evtimer_add (ev, tv)
96     #define timeout_set(ev,cb,data) evtimer_set (ev, cb, data)
97     #define timeout_del(ev) evtimer_del (ev)
98     #define timeout_pending(ev,tv) evtimer_pending (ev, tv)
99     #define timeout_initialized(ev) evtimer_initialized (ev)
100    
101     #define signal_add(ev,tv) event_add (ev, tv)
102     #define signal_set(ev,sig,cb,data) event_set (ev, sig, EV_SIGNAL | EV_PERSIST, cb, data)
103     #define signal_del(ev) event_del (ev)
104     #define signal_pending(ev,tv) event_pending (ev, EV_SIGNAL, tv)
105     #define signal_initialized(ev) event_initialized (ev)
106    
107     const char *event_get_version (void);
108     const char *event_get_method (void);
109    
110     void *event_init (void);
111     void event_base_free (struct event_base *base);
112    
113     #define EVLOOP_ONCE EVLOOP_ONESHOT
114     int event_loop (int);
115     int event_loopexit (struct timeval *tv);
116     int event_dispatch (void);
117    
118     #define _EVENT_LOG_DEBUG 0
119     #define _EVENT_LOG_MSG 1
120     #define _EVENT_LOG_WARN 2
121     #define _EVENT_LOG_ERR 3
122     typedef void (*event_log_cb)(int severity, const char *msg);
123     void event_set_log_callback(event_log_cb cb);
124    
125     void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg);
126     int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
127    
128     int event_add (struct event *ev, struct timeval *tv);
129     int event_del (struct event *ev);
130 root 1.12 void event_active (struct event *ev, int res, short ncalls); /* ncalls is being ignored */
131 root 1.1
132     int event_pending (struct event *ev, short, struct timeval *tv);
133    
134     int event_priority_init (int npri);
135     int event_priority_set (struct event *ev, int pri);
136    
137     int event_base_set (struct event_base *base, struct event *ev);
138     int event_base_loop (struct event_base *base, int);
139     int event_base_loopexit (struct event_base *base, struct timeval *tv);
140     int event_base_dispatch (struct event_base *base);
141     int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
142     int event_base_priority_init (struct event_base *base, int fd);
143    
144 root 1.17 /* next line is different in the libevent+libev version */
145     /*libevent-include*/
146 root 1.6
147     #ifdef __cplusplus
148     }
149     #endif
150    
151 root 1.1 #endif
152 root 1.5