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added event compatibility layer

master
Marc Alexander Lehmann 14 years ago
parent
commit
3a41906321
  1. 10
      ev.c
  2. 119
      event.h

10
ev.c

@ -368,17 +368,17 @@ static void
sigcb (struct ev_io *iow, int revents)
{
struct ev_signal *w;
int sig;
int signum;
read (sigpipe [0], &revents, 1);
gotsig = 0;
for (sig = signalmax; sig--; )
if (signals [sig].gotsig)
for (signum = signalmax; signum--; )
if (signals [signum].gotsig)
{
signals [sig].gotsig = 0;
signals [signum].gotsig = 0;
for (w = signals [sig].head; w; w = w->next)
for (w = signals [signum].head; w; w = w->next)
event ((W)w, EV_SIGNAL);
}
}

119
event.h

@ -0,0 +1,119 @@
/*
* 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 __cplusplus
extern "C" {
#endif
#include "ev.h"
struct event
{
struct ev_io io;
struct ev_timer to;
struct ev_signal sig;
struct event_base *ev_base;
int ev_fd;
short ev_events;
int ev_pri;
void (*ev_callback)(int, short, void *arg);
void *ev_arg;
int ev_res;
};
#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 fd, short events);
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;
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);
#endif
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