6 * SPDX-License-Identifier: BSD-2-Clause
8 * Copyright (c) 2009 Maksim Yevmenkin <m_evmenkin@yahoo.com>
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * Hack to provide libevent (see devel/libevent port) like API.
36 * Should be removed if FreeBSD ever decides to import libevent into base.
44 #define EV_PERSIST 0x10 /* Persistent event */
45 #define EV_PENDING (1 << 13) /* internal use only! */
46 #define EV_HAS_TIMEOUT (1 << 14) /* internal use only! */
47 #define EV_CURRENT (1 << 15) /* internal use only! */
53 void (*cb)(int, short, void *);
55 struct timeval timeout;
56 struct timeval expire;
63 TAILQ_ENTRY(event) next;
66 void event_init (void);
67 int event_dispatch (void);
69 void __event_set (struct event *, int, short,
70 void (*)(int, short, void *), void *);
71 int __event_add (struct event *, struct timeval const *);
72 int __event_del (struct event *);
75 #define event_log_err(fmt, args...) syslog(LOG_ERR, fmt, ##args)
76 #define event_log_info(fmt, args...) syslog(LOG_INFO, fmt, ##args)
77 #define event_log_notice(fmt, args...) syslog(LOG_NOTICE, fmt, ##args)
78 #define event_log_debug(fmt, args...) syslog(LOG_DEBUG, fmt, ##args)
80 #define event_set(ev, fd, flags, cb, cbarg) \
81 _event_set(__FILE__, __LINE__, ev, fd, flags, cb, cbarg)
82 #define event_add(ev, timeout) \
83 _event_add(__FILE__, __LINE__, ev, timeout)
84 #define event_del(ev) \
85 _event_del(__FILE__, __LINE__, ev)
87 #define evtimer_set(ev, cb, cbarg) \
88 _event_set(__FILE__, __LINE__, ev, -1, 0, cb, cbarg)
89 #define evtimer_add(ev, timeout) \
90 _event_add(__FILE__, __LINE__, ev, timeout)
93 _event_set(char const *file, int line, struct event *ev, int fd, short flags,
94 void (*cb)(int, short, void *), void *cbarg)
96 event_log_debug("set %s:%d ev=%p, fd=%d, flags=%#x, cb=%p, cbarg=%p",
97 file, line, ev, fd, flags, cb, cbarg);
102 __event_set(ev, fd, flags, cb, cbarg);
106 _event_add(char const *file, int line, struct event *ev,
107 struct timeval const *timeout) {
108 event_log_debug("add %s:%d ev=%p, fd=%d, flags=%#x, cb=%p, cbarg=%p, " \
109 "timeout=%p", file, line, ev, ev->fd, ev->flags, ev->cb,
115 return (__event_add(ev, timeout));
119 _event_del(char const *file, int line, struct event *ev)
121 event_log_debug("del %s:%d ev=%p, fd=%d, flags=%#x, cb=%p, cbarg=%p",
122 file, line, ev, ev->fd, ev->flags, ev->cb, ev->cbarg);
127 return (__event_del(ev));
130 #define event_log_err(fmt, args...)
131 #define event_log_info(fmt, args...)
132 #define event_log_notice(fmt, args...)
133 #define event_log_debug(fmt, args...)
135 #define event_set(ev, fd, flags, cb, cbarg) \
136 __event_set(ev, fd, flags, cb, cbarg)
137 #define event_add(ev, timeout) \
138 __event_add(ev, timeout)
139 #define event_del(ev) \
142 #define evtimer_set(ev, cb, cbarg) \
143 __event_set(ev, -1, 0, cb, cbarg)
144 #define evtimer_add(ev, timeout) \
145 __event_add(ev, timeout)
146 #endif /* EVENT_DEBUG */
148 #endif /* ndef _EVENT_H_ */