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/cvs/libev/event.h
Revision: 1.2
Committed: Thu Nov 1 18:30:26 2007 UTC (16 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.1: +3 -3 lines
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File Contents

# User Rev Content
1 root 1.1 /*
2     * libevent compatibility header, only core events supported
3     *
4     * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
5     * All rights reserved.
6     *
7     * Redistribution and use in source and binary forms, with or without
8     * modification, are permitted provided that the following conditions are
9     * met:
10     *
11     * * Redistributions of source code must retain the above copyright
12     * notice, this list of conditions and the following disclaimer.
13     *
14     * * Redistributions in binary form must reproduce the above
15     * copyright notice, this list of conditions and the following
16     * disclaimer in the documentation and/or other materials provided
17     * with the distribution.
18     *
19     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21     * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22     * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23     * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24     * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25     * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29     * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30     */
31     #ifndef _EVENT_H_
32     #define _EVENT_H_
33    
34     #ifdef __cplusplus
35     extern "C" {
36     #endif
37    
38     #include "ev.h"
39    
40     struct event
41     {
42     struct ev_io io;
43     struct ev_timer to;
44     struct ev_signal sig;
45    
46     struct event_base *ev_base;
47 root 1.2 void (*ev_callback)(int, short, void *arg);
48     void *ev_arg;
49 root 1.1 int ev_fd;
50     int ev_pri;
51     int ev_res;
52 root 1.2 short ev_events;
53 root 1.1 };
54    
55     #define EV_PERSIST 0x10
56    
57     #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd)
58     #define EVENT_FD(ev) ((int) (ev)->ev_fd)
59    
60     #define event_initialized(ev) 1
61    
62     #define evtimer_add(ev,tv) event_add (ev, tv)
63     #define evtimer_set(ev,cb,data) event_set (ev, -1, 0, cb, data)
64     #define evtimer_del(ev) event_del (ev)
65     #define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv)
66     #define evtimer_initialized(ev) event_initialized (ev)
67    
68     #define timeout_add(ev,tv) evtimer_add (ev, tv)
69     #define timeout_set(ev,cb,data) evtimer_set (ev, cb, data)
70     #define timeout_del(ev) evtimer_del (ev)
71     #define timeout_pending(ev,tv) evtimer_pending (ev, tv)
72     #define timeout_initialized(ev) evtimer_initialized (ev)
73    
74     #define signal_add(ev,tv) event_add (ev, tv)
75     #define signal_set(ev,sig,cb,data) event_set (ev, sig, EV_SIGNAL | EV_PERSIST, cb, data)
76     #define signal_del(ev) event_del (ev)
77     #define signal_pending(ev,tv) event_pending (ev, EV_SIGNAL, tv)
78     #define signal_initialized(ev) event_initialized (ev)
79    
80     const char *event_get_version (void);
81     const char *event_get_method (void);
82    
83     void *event_init (void);
84     void event_base_free (struct event_base *base);
85    
86     #define EVLOOP_ONCE EVLOOP_ONESHOT
87     int event_loop (int);
88     int event_loopexit (struct timeval *tv);
89     int event_dispatch (void);
90    
91     #define _EVENT_LOG_DEBUG 0
92     #define _EVENT_LOG_MSG 1
93     #define _EVENT_LOG_WARN 2
94     #define _EVENT_LOG_ERR 3
95     typedef void (*event_log_cb)(int severity, const char *msg);
96     void event_set_log_callback(event_log_cb cb);
97    
98     void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg);
99     int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
100    
101     int event_add (struct event *ev, struct timeval *tv);
102     int event_del (struct event *ev);
103     void event_active (struct event *ev, int fd, short events);
104    
105     int event_pending (struct event *ev, short, struct timeval *tv);
106    
107     int event_priority_init (int npri);
108     int event_priority_set (struct event *ev, int pri);
109    
110     struct event_base;
111    
112     int event_base_set (struct event_base *base, struct event *ev);
113     int event_base_loop (struct event_base *base, int);
114     int event_base_loopexit (struct event_base *base, struct timeval *tv);
115     int event_base_dispatch (struct event_base *base);
116     int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
117     int event_base_priority_init (struct event_base *base, int fd);
118    
119     #endif