This repository has been archived by the owner on Nov 20, 2020. It is now read-only.
/
event.h
177 lines (147 loc) · 6.11 KB
/
event.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
/*
* libevent compatibility header, only core events supported
*
* Copyright (c) 2007,2008,2010,2012 Marc Alexander Lehmann <libev@schmorp.de>
* All rights reserved.
*
* 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.
*
* 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_
#ifdef EV_H
# include EV_H
#else
# include "ev.h"
#endif
#ifndef EVLOOP_NONBLOCK
# define EVLOOP_NONBLOCK EVRUN_NOWAIT
#endif
#ifndef EVLOOP_ONESHOT
# define EVLOOP_ONESHOT EVRUN_ONCE
#endif
#ifndef EV_TIMEOUT
# define EV_TIMEOUT EV_TIMER
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* we need sys/time.h for struct timeval only */
#if !defined (WIN32) || defined (__MINGW32__)
# include <time.h> /* mingw seems to need this, for whatever reason */
# include <sys/time.h>
#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
typedef void (*event_callback_fn)(int, short, void *);
struct event
{
/* libev watchers we map onto */
union {
struct ev_io io;
struct ev_signal sig;
} iosig;
struct ev_timer to;
/* compatibility slots */
struct event_base *ev_base;
event_callback_fn ev_callback;
void *ev_arg;
int ev_fd;
int ev_pri;
int ev_res;
int ev_flags;
short ev_events;
};
event_callback_fn event_get_callback (const struct event *ev);
#define EV_READ EV_READ
#define EV_WRITE EV_WRITE
#define EV_PERSIST 0x10
#define EV_ET 0x20 /* nop */
#define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd)
#define EVENT_FD(ev) ((int) (ev)->ev_fd)
#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_del(ev) event_del (ev)
#define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv)
#define evtimer_initialized(ev) event_initialized (ev)
#define timeout_add(ev,tv) evtimer_add (ev, tv)
#define timeout_set(ev,cb,data) evtimer_set (ev, cb, data)
#define timeout_del(ev) evtimer_del (ev)
#define timeout_pending(ev,tv) evtimer_pending (ev, tv)
#define timeout_initialized(ev) evtimer_initialized (ev)
#define signal_add(ev,tv) event_add (ev, tv)
#define signal_set(ev,sig,cb,data) event_set (ev, sig, EV_SIGNAL | EV_PERSIST, cb, data)
#define signal_del(ev) event_del (ev)
#define signal_pending(ev,tv) event_pending (ev, EV_SIGNAL, tv)
#define signal_initialized(ev) event_initialized (ev)
const char *event_get_version (void);
const char *event_get_method (void);
void *event_init (void);
void event_base_free (struct event_base *base);
#define EVLOOP_ONCE EVLOOP_ONESHOT
int event_loop (int);
int event_loopexit (struct timeval *tv);
int event_dispatch (void);
#define _EVENT_LOG_DEBUG 0
#define _EVENT_LOG_MSG 1
#define _EVENT_LOG_WARN 2
#define _EVENT_LOG_ERR 3
typedef void (*event_log_cb)(int severity, const char *msg);
void event_set_log_callback(event_log_cb cb);
void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg);
int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
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 */
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 *event_base_new (void);
const char *event_base_get_method (const 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_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);
/* next line is different in the libevent+libev version */
/*libevent-include*/
#ifdef __cplusplus
}
#endif
#endif