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/cvs/libev/event.h
Revision: 1.16
Committed: Mon Nov 12 01:11:36 2007 UTC (16 years, 6 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_0, rel-1_71, rel-0_8, rel-0_9, rel-1_8, rel-1_4, rel-1_72, rel-1_1, rel-1_3, rel-1_2, rel-1_5, rel-1_6, rel-1_81, rel-1_86, rel-1_85
Changes since 1.15: +9 -1 lines
Log Message:
half-assed ev_flags emulation

File Contents

# Content
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 EV_H
35 # include EV_H
36 #else
37 # include <ev.h>
38 #endif
39
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43
44 struct event_base;
45
46 #define EVLIST_TIMEOUT 0x01
47 #define EVLIST_INSERTED 0x02
48 #define EVLIST_SIGNAL 0x04
49 #define EVLIST_ACTIVE 0x08
50 #define EVLIST_INTERNAL 0x10
51 #define EVLIST_INIT 0x80
52
53 struct event
54 {
55 /* libev watchers we map onto */
56 union {
57 struct ev_io io;
58 struct ev_signal sig;
59 } iosig;
60 struct ev_timer to;
61
62 /* compatibility slots */
63 struct event_base *ev_base;
64 void (*ev_callback)(int, short, void *arg);
65 void *ev_arg;
66 int ev_fd;
67 int ev_pri;
68 int ev_res;
69 int ev_flags;
70 short ev_events;
71 };
72
73 #define EV_PERSIST 0x10
74
75 #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd)
76 #define EVENT_FD(ev) ((int) (ev)->ev_fd)
77
78 #define event_initialized(ev) ((ev)->ev_flags & EVLIST_INIT)
79
80 #define evtimer_add(ev,tv) event_add (ev, tv)
81 #define evtimer_set(ev,cb,data) event_set (ev, -1, 0, cb, data)
82 #define evtimer_del(ev) event_del (ev)
83 #define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv)
84 #define evtimer_initialized(ev) event_initialized (ev)
85
86 #define timeout_add(ev,tv) evtimer_add (ev, tv)
87 #define timeout_set(ev,cb,data) evtimer_set (ev, cb, data)
88 #define timeout_del(ev) evtimer_del (ev)
89 #define timeout_pending(ev,tv) evtimer_pending (ev, tv)
90 #define timeout_initialized(ev) evtimer_initialized (ev)
91
92 #define signal_add(ev,tv) event_add (ev, tv)
93 #define signal_set(ev,sig,cb,data) event_set (ev, sig, EV_SIGNAL | EV_PERSIST, cb, data)
94 #define signal_del(ev) event_del (ev)
95 #define signal_pending(ev,tv) event_pending (ev, EV_SIGNAL, tv)
96 #define signal_initialized(ev) event_initialized (ev)
97
98 const char *event_get_version (void);
99 const char *event_get_method (void);
100
101 void *event_init (void);
102 void event_base_free (struct event_base *base);
103
104 #define EVLOOP_ONCE EVLOOP_ONESHOT
105 int event_loop (int);
106 int event_loopexit (struct timeval *tv);
107 int event_dispatch (void);
108
109 #define _EVENT_LOG_DEBUG 0
110 #define _EVENT_LOG_MSG 1
111 #define _EVENT_LOG_WARN 2
112 #define _EVENT_LOG_ERR 3
113 typedef void (*event_log_cb)(int severity, const char *msg);
114 void event_set_log_callback(event_log_cb cb);
115
116 void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg);
117 int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
118
119 int event_add (struct event *ev, struct timeval *tv);
120 int event_del (struct event *ev);
121 void event_active (struct event *ev, int res, short ncalls); /* ncalls is being ignored */
122
123 int event_pending (struct event *ev, short, struct timeval *tv);
124
125 int event_priority_init (int npri);
126 int event_priority_set (struct event *ev, int pri);
127
128 int event_base_set (struct event_base *base, struct event *ev);
129 int event_base_loop (struct event_base *base, int);
130 int event_base_loopexit (struct event_base *base, struct timeval *tv);
131 int event_base_dispatch (struct event_base *base);
132 int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
133 int event_base_priority_init (struct event_base *base, int fd);
134
135 #ifndef EV_STANDALONE
136 # include <event_compat.h>
137 #endif
138
139 #ifdef __cplusplus
140 }
141 #endif
142
143 #endif
144