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134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/*
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* libevent compatibility header, only core events supported
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*
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* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EVENT_H_
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#define _EVENT_H_
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#include "ev.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct event
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{
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/* libev watchers we map onto */
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union {
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struct ev_io io;
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struct ev_signal sig;
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} iosig;
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struct ev_timer to;
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/* compatibility slots */
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struct event_base *ev_base;
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void (*ev_callback)(int, short, void *arg);
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void *ev_arg;
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int ev_fd;
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int ev_pri;
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int ev_res;
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short ev_events;
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char initialised; /* flag to work around some idiosynchrasies in the API */
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};
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#define EV_PERSIST 0x10
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#define EVENT_SIGNAL(ev) ((int) (ev)->ev_fd)
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#define EVENT_FD(ev) ((int) (ev)->ev_fd)
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#define event_initialized(ev) ((ev)->initialised)
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#define evtimer_add(ev,tv) event_add (ev, tv)
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#define evtimer_set(ev,cb,data) event_set (ev, -1, 0, cb, data)
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#define evtimer_del(ev) event_del (ev)
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#define evtimer_pending(ev,tv) event_pending (ev, EV_TIMEOUT, tv)
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#define evtimer_initialized(ev) event_initialized (ev)
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#define timeout_add(ev,tv) evtimer_add (ev, tv)
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#define timeout_set(ev,cb,data) evtimer_set (ev, cb, data)
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#define timeout_del(ev) evtimer_del (ev)
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#define timeout_pending(ev,tv) evtimer_pending (ev, tv)
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#define timeout_initialized(ev) evtimer_initialized (ev)
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#define signal_add(ev,tv) event_add (ev, tv)
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#define signal_set(ev,sig,cb,data) event_set (ev, sig, EV_SIGNAL | EV_PERSIST, cb, data)
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#define signal_del(ev) event_del (ev)
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#define signal_pending(ev,tv) event_pending (ev, EV_SIGNAL, tv)
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#define signal_initialized(ev) event_initialized (ev)
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const char *event_get_version (void);
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const char *event_get_method (void);
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void *event_init (void);
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void event_base_free (struct event_base *base);
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#define EVLOOP_ONCE EVLOOP_ONESHOT
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int event_loop (int);
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int event_loopexit (struct timeval *tv);
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int event_dispatch (void);
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#define _EVENT_LOG_DEBUG 0
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#define _EVENT_LOG_MSG 1
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#define _EVENT_LOG_WARN 2
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#define _EVENT_LOG_ERR 3
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typedef void (*event_log_cb)(int severity, const char *msg);
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void event_set_log_callback(event_log_cb cb);
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void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg);
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int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
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int event_add (struct event *ev, struct timeval *tv);
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int event_del (struct event *ev);
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int event_pending (struct event *ev, short, struct timeval *tv);
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int event_priority_init (int npri);
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int event_priority_set (struct event *ev, int pri);
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struct event_base;
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int event_base_set (struct event_base *base, struct event *ev);
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int event_base_loop (struct event_base *base, int);
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int event_base_loopexit (struct event_base *base, struct timeval *tv);
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int event_base_dispatch (struct event_base *base);
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int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv);
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int event_base_priority_init (struct event_base *base, int fd);
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#ifndef EV_STANDALONE
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# include "event_compat.h"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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