diff options
Diffstat (limited to 'usr.sbin/bluetooth/btpand/event.h')
| -rw-r--r-- | usr.sbin/bluetooth/btpand/event.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/usr.sbin/bluetooth/btpand/event.h b/usr.sbin/bluetooth/btpand/event.h new file mode 100644 index 000000000000..dd588e86f6bf --- /dev/null +++ b/usr.sbin/bluetooth/btpand/event.h @@ -0,0 +1,148 @@ +/* + * event.h + */ + +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2009 Maksim Yevmenkin <m_evmenkin@yahoo.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, 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 AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 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 OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + +/* + * Hack to provide libevent (see devel/libevent port) like API. + * Should be removed if FreeBSD ever decides to import libevent into base. + */ + +#ifndef _EVENT_H_ +#define _EVENT_H_ 1 + +#define EV_READ 0x02 +#define EV_WRITE 0x04 +#define EV_PERSIST 0x10 /* Persistent event */ +#define EV_PENDING (1 << 13) /* internal use only! */ +#define EV_HAS_TIMEOUT (1 << 14) /* internal use only! */ +#define EV_CURRENT (1 << 15) /* internal use only! */ + +struct event +{ + int fd; + short flags; + void (*cb)(int, short, void *); + void *cbarg; + struct timeval timeout; + struct timeval expire; + +#ifdef EVENT_DEBUG + char const *files[3]; + int lines[3]; +#endif + + TAILQ_ENTRY(event) next; +}; + +void event_init (void); +int event_dispatch (void); + +void __event_set (struct event *, int, short, + void (*)(int, short, void *), void *); +int __event_add (struct event *, struct timeval const *); +int __event_del (struct event *); + +#ifdef EVENT_DEBUG +#define event_log_err(fmt, args...) syslog(LOG_ERR, fmt, ##args) +#define event_log_info(fmt, args...) syslog(LOG_INFO, fmt, ##args) +#define event_log_notice(fmt, args...) syslog(LOG_NOTICE, fmt, ##args) +#define event_log_debug(fmt, args...) syslog(LOG_DEBUG, fmt, ##args) + +#define event_set(ev, fd, flags, cb, cbarg) \ + _event_set(__FILE__, __LINE__, ev, fd, flags, cb, cbarg) +#define event_add(ev, timeout) \ + _event_add(__FILE__, __LINE__, ev, timeout) +#define event_del(ev) \ + _event_del(__FILE__, __LINE__, ev) + +#define evtimer_set(ev, cb, cbarg) \ + _event_set(__FILE__, __LINE__, ev, -1, 0, cb, cbarg) +#define evtimer_add(ev, timeout) \ + _event_add(__FILE__, __LINE__, ev, timeout) + +static inline void +_event_set(char const *file, int line, struct event *ev, int fd, short flags, + void (*cb)(int, short, void *), void *cbarg) +{ + event_log_debug("set %s:%d ev=%p, fd=%d, flags=%#x, cb=%p, cbarg=%p", + file, line, ev, fd, flags, cb, cbarg); + + ev->files[0] = file; + ev->lines[0] = line; + + __event_set(ev, fd, flags, cb, cbarg); +} + +static inline int +_event_add(char const *file, int line, struct event *ev, + struct timeval const *timeout) { + event_log_debug("add %s:%d ev=%p, fd=%d, flags=%#x, cb=%p, cbarg=%p, " \ + "timeout=%p", file, line, ev, ev->fd, ev->flags, ev->cb, + ev->cbarg, timeout); + + ev->files[1] = file; + ev->lines[1] = line; + + return (__event_add(ev, timeout)); +} + +static inline int +_event_del(char const *file, int line, struct event *ev) +{ + event_log_debug("del %s:%d ev=%p, fd=%d, flags=%#x, cb=%p, cbarg=%p", + file, line, ev, ev->fd, ev->flags, ev->cb, ev->cbarg); + + ev->files[2] = file; + ev->lines[2] = line; + + return (__event_del(ev)); +} +#else +#define event_log_err(fmt, args...) +#define event_log_info(fmt, args...) +#define event_log_notice(fmt, args...) +#define event_log_debug(fmt, args...) + +#define event_set(ev, fd, flags, cb, cbarg) \ + __event_set(ev, fd, flags, cb, cbarg) +#define event_add(ev, timeout) \ + __event_add(ev, timeout) +#define event_del(ev) \ + __event_del(ev) + +#define evtimer_set(ev, cb, cbarg) \ + __event_set(ev, -1, 0, cb, cbarg) +#define evtimer_add(ev, timeout) \ + __event_add(ev, timeout) +#endif /* EVENT_DEBUG */ + +#endif /* ndef _EVENT_H_ */ |