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v4.0
src/libev/event.h
176 строк
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sgrubb
Update libev to 4.15
18 апр 2013, 19:47
18 апр 2013, 19:47
e442f10
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/* * 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