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/* |
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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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|
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#ifdef EV_H |
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# include EV_H |
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#else |
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# include <ev.h> |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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struct event_base; |
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|
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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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|
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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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}; |
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|
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#define EV_PERSIST 0x10 |
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|
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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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|
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#define event_initialized(ev) 1 |
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|
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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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|
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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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|
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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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|
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const char *event_get_version (void); |
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const char *event_get_method (void); |
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|
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void *event_init (void); |
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void event_base_free (struct event_base *base); |
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|
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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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|
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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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|
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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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|
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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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void event_active (struct event *ev, int res, short ncalls); /* ncalls is being ignored */ |
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|
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int event_pending (struct event *ev, short, struct timeval *tv); |
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|
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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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|
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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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|
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#ifndef EV_STANDALONE |
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# include <event_compat.h> |
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#endif |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#endif |
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|
