/* * libevent compatibility header, only core events supported * * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * 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 COPYRIGHT HOLDERS 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 COPYRIGHT * OWNER 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. */ #ifndef EVENT_H__ #define EVENT_H__ #ifdef EV_H # include EV_H #else # include <ev.h> #endif #ifdef __cplusplus extern "C" { #endif struct event_base; 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; void (*ev_callback)(int, short, void *arg); void *ev_arg; int ev_fd; int ev_pri; int ev_res; short ev_events; }; #define EV_PERSIST 0x10 #define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd) #define EVENT_FD(ev) ((int) (ev)->ev_fd) #define event_initialized(ev) 1 #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); 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); #ifndef EV_STANDALONE # include <event_compat.h> #endif #ifdef __cplusplus } #endif #endif