libev/event.c

/*
 * libevent compatibility layer
 *
 * Copyright (c) 2007,2008,2009,2010 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.
 */

#include <stddef.h>
#include <stdlib.h>
#include <assert.h>

#ifdef EV_EVENT_H
# include EV_EVENT_H
#else
# include "event.h"
#endif

#if EV_MULTIPLICITY
# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base
# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base
#else
# define dLOOPev
# define dLOOPbase
#endif

/* never accessed, will always be cast from/to ev_loop */
struct event_base
{
  int dummy;
};

static struct event_base *ev_x_cur;

static ev_tstamp
ev_tv_get (struct timeval *tv)
{
  if (tv)
    {
      ev_tstamp after = tv->tv_sec + tv->tv_usec * 1e-6;
      return after ? after : 1e-6;
    }
  else
    return -1.;
}

#define EVENT_STRINGIFY(s) # s
#define EVENT_VERSION(a,b) EVENT_STRINGIFY (a) "." EVENT_STRINGIFY (b)

const char *event_get_version (void)
{
  /* returns ABI, not API or library, version */
  return EVENT_VERSION (EV_VERSION_MAJOR, EV_VERSION_MINOR);
}

const char *event_get_method (void)
{
  return "libev";
}

void *event_init (void)
{
#if EV_MULTIPLICITY
  if (ev_x_cur)
    ev_x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO);
  else
    ev_x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO);
#else
  assert (("libev: multiple event bases not supported when not compiled with EV_MULTIPLICITY", !ev_x_cur));

  ev_x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO);
#endif

  return ev_x_cur;
}

void event_base_free (struct event_base *base)
{
  dLOOPbase;

#if EV_MULTIPLICITY
  if (!ev_is_default_loop (loop))
    ev_loop_destroy (loop);
#endif
}

int event_dispatch (void)
{
  return event_base_dispatch (ev_x_cur);
}

#ifdef EV_STANDALONE
void event_set_log_callback (event_log_cb cb)
{
  /* nop */
}
#endif

int event_loop (int flags)
{
  return event_base_loop (ev_x_cur, flags);
}

int event_loopexit (struct timeval *tv)
{
  return event_base_loopexit (ev_x_cur, tv);
}

static void
ev_x_cb (struct event *ev, int revents)
{
  revents &= EV_READ | EV_WRITE | EV_TIMER | EV_SIGNAL;

  ev->ev_res = revents;
  ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg);
}

static void
ev_x_cb_sig (EV_P_ struct ev_signal *w, int revents)
{
  struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.sig));

  if (revents & EV_ERROR)
    event_del (ev);

  ev_x_cb (ev, revents);
}

static void
ev_x_cb_io (EV_P_ struct ev_io *w, int revents)
{
  struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io));

  if ((revents & EV_ERROR) || !(ev->ev_events & EV_PERSIST))
    event_del (ev);

  ev_x_cb (ev, revents);
}

static void
ev_x_cb_to (EV_P_ struct ev_timer *w, int revents)
{
  struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to));

  event_del (ev);

  ev_x_cb (ev, revents);
}

void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg)
{
  if (events & EV_SIGNAL)
    ev_init (&ev->iosig.sig, ev_x_cb_sig);
  else
    ev_init (&ev->iosig.io, ev_x_cb_io);

  ev_init (&ev->to, ev_x_cb_to);

  ev->ev_base     = ev_x_cur; /* not threadsafe, but it's how libevent works */
  ev->ev_fd       = fd;
  ev->ev_events   = events;
  ev->ev_pri      = 0;
  ev->ev_callback = cb;
  ev->ev_arg      = arg;
  ev->ev_res      = 0;
  ev->ev_flags    = EVLIST_INIT;
}

int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
{
  return event_base_once (ev_x_cur, fd, events, cb, arg, tv);
}

int event_add (struct event *ev, struct timeval *tv)
{
  dLOOPev;

  if (ev->ev_events & EV_SIGNAL)
    {
      if (!ev_is_active (&ev->iosig.sig))
        {
          ev_signal_set (&ev->iosig.sig, ev->ev_fd);
          ev_signal_start (EV_A_ &ev->iosig.sig);

          ev->ev_flags |= EVLIST_SIGNAL;
        }
    }
  else if (ev->ev_events & (EV_READ | EV_WRITE))
    {
      if (!ev_is_active (&ev->iosig.io))
        {
          ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE));
          ev_io_start (EV_A_ &ev->iosig.io);

          ev->ev_flags |= EVLIST_INSERTED;
        }
    }

  if (tv)
    {
      ev->to.repeat = ev_tv_get (tv);
      ev_timer_again (EV_A_ &ev->to);
      ev->ev_flags |= EVLIST_TIMEOUT;
    }
  else
    {
      ev_timer_stop (EV_A_ &ev->to);
      ev->ev_flags &= ~EVLIST_TIMEOUT;
    }

  ev->ev_flags |= EVLIST_ACTIVE;

  return 0;
}

int event_del (struct event *ev)
{
  dLOOPev;

  if (ev->ev_events & EV_SIGNAL)
    ev_signal_stop (EV_A_ &ev->iosig.sig);
  else if (ev->ev_events & (EV_READ | EV_WRITE))
    ev_io_stop (EV_A_ &ev->iosig.io);

  if (ev_is_active (&ev->to))
    ev_timer_stop (EV_A_ &ev->to);

  ev->ev_flags = EVLIST_INIT;

  return 0;
}

void event_active (struct event *ev, int res, short ncalls)
{
  dLOOPev;

  if (res & EV_TIMEOUT)
    ev_feed_event (EV_A_ &ev->to, res & EV_TIMEOUT);

  if (res & EV_SIGNAL)
    ev_feed_event (EV_A_ &ev->iosig.sig, res & EV_SIGNAL);

  if (res & (EV_READ | EV_WRITE))
    ev_feed_event (EV_A_ &ev->iosig.io, res & (EV_READ | EV_WRITE));
}

int event_pending (struct event *ev, short events, struct timeval *tv)
{
  short revents = 0;
  dLOOPev;

  if (ev->ev_events & EV_SIGNAL)
    {
      /* sig */
      if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig))
        revents |= EV_SIGNAL;
    }
  else if (ev->ev_events & (EV_READ | EV_WRITE))
    {
      /* io */
      if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io))
        revents |= ev->ev_events & (EV_READ | EV_WRITE);
    }

  if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
    {
      revents |= EV_TIMEOUT;

      if (tv)
        {
          ev_tstamp at = ev_now (EV_A);

          tv->tv_sec  = (long)at;
          tv->tv_usec = (long)((at - (ev_tstamp)tv->tv_sec) * 1e6);
        }
    }

  return events & revents;
}

int event_priority_init (int npri)
{
  return event_base_priority_init (ev_x_cur, npri);
}

int event_priority_set (struct event *ev, int pri)
{
  ev->ev_pri = pri;

  return 0;
}

int event_base_set (struct event_base *base, struct event *ev)
{
  ev->ev_base = base;

  return 0;
}

int event_base_loop (struct event_base *base, int flags)
{
  dLOOPbase;

  ev_run (EV_A_ flags);

  return 0;
}

int event_base_dispatch (struct event_base *base)
{
  return event_base_loop (base, 0);
}

static void
ev_x_loopexit_cb (int revents, void *base)
{
  dLOOPbase;

  ev_break (EV_A_ EVBREAK_ONE);
}

int event_base_loopexit (struct event_base *base, struct timeval *tv)
{
  ev_tstamp after = ev_tv_get (tv);
  dLOOPbase;

  ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., ev_x_loopexit_cb, (void *)base);

  return 0;
}

struct ev_x_once
{
  int fd;
  void (*cb)(int, short, void *);
  void *arg;
};

static void
ev_x_once_cb (int revents, void *arg)
{
  struct ev_x_once *once = (struct ev_x_once *)arg;

  once->cb (once->fd, (short)revents, once->arg);
  free (once);
}

int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
{
  struct ev_x_once *once = (struct ev_x_once *)malloc (sizeof (struct ev_x_once));
  dLOOPbase;

  if (!once)
    return -1;

  once->fd  = fd;
  once->cb  = cb;
  once->arg = arg;

  ev_once (EV_A_ fd, events & (EV_READ | EV_WRITE), ev_tv_get (tv), ev_x_once_cb, (void *)once);

  return 0;
}

int event_base_priority_init (struct event_base *base, int npri)
{
  /*dLOOPbase;*/

  return 0;
}

Revision:	1.49
Committed:	Tue Jan 4 01:28:56 2011 UTC (13 years, 4 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-4_03
Changes since 1.48:	+1 -1 lines
Log Message:	d'oh
#	User	Rev	Content
1	root	1.1	/*
2			* libevent compatibility layer
3			*
4	root	1.44	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5	root	1.1	* All rights reserved.
6			*
7	root	1.33	* Redistribution and use in source and binary forms, with or without modifica-
8			* tion, are permitted provided that the following conditions are met:
9			*
10			* 1. Redistributions of source code must retain the above copyright notice,
11			* this list of conditions and the following disclaimer.
12			*
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19			* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20			* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21			* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22			* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23			* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24			* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25			* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26			* OF THE POSSIBILITY OF SUCH DAMAGE.
27	root	1.1	*
28	root	1.33	* Alternatively, the contents of this file may be used under the terms of
29			* the GNU General Public License ("GPL") version 2 or any later version,
30			* in which case the provisions of the GPL are applicable instead of
31			* the above. If you wish to allow the use of your version of this file
32			* only under the terms of the GPL and not to allow others to use your
33			* version of this file under the BSD license, indicate your decision
34			* by deleting the provisions above and replace them with the notice
35			* and other provisions required by the GPL. If you do not delete the
36			* provisions above, a recipient may use your version of this file under
37			* either the BSD or the GPL.
38	root	1.1	*/
39
40			#include <stddef.h>
41			#include <stdlib.h>
42	root	1.10	#include <assert.h>
43	root	1.1
44	root	1.24	#ifdef EV_EVENT_H
45			# include EV_EVENT_H
46			#else
47			# include "event.h"
48			#endif
49	root	1.1
50	root	1.9	#if EV_MULTIPLICITY
51			# define dLOOPev struct ev_loop loop = (struct ev_loop )ev->ev_base
52			# define dLOOPbase struct ev_loop loop = (struct ev_loop )base
53	root	1.8	#else
54			# define dLOOPev
55			# define dLOOPbase
56			#endif
57	root	1.7
58	root	1.9	/* never accessed, will always be cast from/to ev_loop */
59	root	1.1	struct event_base
60			{
61			int dummy;
62			};
63
64	root	1.37	static struct event_base *ev_x_cur;
65	root	1.1
66			static ev_tstamp
67	root	1.37	ev_tv_get (struct timeval *tv)
68	root	1.1	{
69			if (tv)
70	root	1.42	{
71			ev_tstamp after = tv->tv_sec + tv->tv_usec * 1e-6;
72			return after ? after : 1e-6;
73			}
74	root	1.1	else
75			return -1.;
76			}
77
78	root	1.40	#define EVENT_STRINGIFY(s) # s
79			#define EVENT_VERSION(a,b) EVENT_STRINGIFY (a) "." EVENT_STRINGIFY (b)
80	root	1.1
81			const char *event_get_version (void)
82			{
83	root	1.40	/* returns ABI, not API or library, version */
84	root	1.1	return EVENT_VERSION (EV_VERSION_MAJOR, EV_VERSION_MINOR);
85			}
86
87			const char *event_get_method (void)
88			{
89			return "libev";
90			}
91
92			void *event_init (void)
93			{
94	root	1.9	#if EV_MULTIPLICITY
95	root	1.37	if (ev_x_cur)
96			ev_x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO);
97	root	1.10	else
98	root	1.37	ev_x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO);
99	root	1.9	#else
100	root	1.39	assert (("libev: multiple event bases not supported when not compiled with EV_MULTIPLICITY", !ev_x_cur));
101	root	1.10
102	root	1.37	ev_x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO);
103	root	1.9	#endif
104	root	1.1
105	root	1.37	return ev_x_cur;
106	root	1.1	}
107
108			void event_base_free (struct event_base *base)
109			{
110	root	1.8	dLOOPbase;
111
112	root	1.9	#if EV_MULTIPLICITY
113	root	1.49	if (!ev_is_default_loop (loop))
114	root	1.13	ev_loop_destroy (loop);
115	root	1.9	#endif
116	root	1.1	}
117
118			int event_dispatch (void)
119			{
120	root	1.37	return event_base_dispatch (ev_x_cur);
121	root	1.1	}
122
123	root	1.12	#ifdef EV_STANDALONE
124	root	1.1	void event_set_log_callback (event_log_cb cb)
125			{
126			/* nop */
127			}
128	root	1.5	#endif
129	root	1.1
130			int event_loop (int flags)
131			{
132	root	1.37	return event_base_loop (ev_x_cur, flags);
133	root	1.1	}
134
135			int event_loopexit (struct timeval *tv)
136			{
137	root	1.37	return event_base_loopexit (ev_x_cur, tv);
138	root	1.1	}
139
140			static void
141	root	1.37	ev_x_cb (struct event *ev, int revents)
142	root	1.1	{
143	root	1.45	revents &= EV_READ \| EV_WRITE \| EV_TIMER \| EV_SIGNAL;
144	root	1.1
145			ev->ev_res = revents;
146	root	1.26	ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg);
147	root	1.1	}
148
149			static void
150	root	1.37	ev_x_cb_sig (EV_P_ struct ev_signal *w, int revents)
151	root	1.1	{
152	root	1.20	struct event ev = (struct event )(((char *)w) - offsetof (struct event, iosig.sig));
153
154			if (revents & EV_ERROR)
155			event_del (ev);
156
157	root	1.37	ev_x_cb (ev, revents);
158	root	1.1	}
159
160			static void
161	root	1.37	ev_x_cb_io (EV_P_ struct ev_io *w, int revents)
162	root	1.1	{
163	root	1.7	struct event ev = (struct event )(((char *)w) - offsetof (struct event, iosig.io));
164
165	root	1.32	if ((revents & EV_ERROR) \|\| !(ev->ev_events & EV_PERSIST))
166	root	1.20	event_del (ev);
167	root	1.7
168	root	1.37	ev_x_cb (ev, revents);
169	root	1.1	}
170
171			static void
172	root	1.37	ev_x_cb_to (EV_P_ struct ev_timer *w, int revents)
173	root	1.1	{
174	root	1.14	struct event ev = (struct event )(((char *)w) - offsetof (struct event, to));
175
176			event_del (ev);
177
178	root	1.37	ev_x_cb (ev, revents);
179	root	1.1	}
180
181			void event_set (struct event ev, int fd, short events, void (cb)(int, short, void ), void arg)
182			{
183	root	1.14	if (events & EV_SIGNAL)
184	root	1.37	ev_init (&ev->iosig.sig, ev_x_cb_sig);
185	root	1.14	else
186	root	1.37	ev_init (&ev->iosig.io, ev_x_cb_io);
187	root	1.4
188	root	1.37	ev_init (&ev->to, ev_x_cb_to);
189	root	1.1
190	root	1.37	ev->ev_base = ev_x_cur; /* not threadsafe, but it's how libevent works */
191	root	1.1	ev->ev_fd = fd;
192			ev->ev_events = events;
193			ev->ev_pri = 0;
194			ev->ev_callback = cb;
195			ev->ev_arg = arg;
196			ev->ev_res = 0;
197	root	1.27	ev->ev_flags = EVLIST_INIT;
198	root	1.1	}
199
200			int event_once (int fd, short events, void (cb)(int, short, void ), void arg, struct timeval tv)
201			{
202	root	1.37	return event_base_once (ev_x_cur, fd, events, cb, arg, tv);
203	root	1.1	}
204
205			int event_add (struct event ev, struct timeval tv)
206			{
207	root	1.7	dLOOPev;
208
209	root	1.4	if (ev->ev_events & EV_SIGNAL)
210	root	1.1	{
211	root	1.31	if (!ev_is_active (&ev->iosig.sig))
212			{
213			ev_signal_set (&ev->iosig.sig, ev->ev_fd);
214			ev_signal_start (EV_A_ &ev->iosig.sig);
215	root	1.27
216	root	1.31	ev->ev_flags \|= EVLIST_SIGNAL;
217			}
218	root	1.1	}
219	root	1.4	else if (ev->ev_events & (EV_READ \| EV_WRITE))
220	root	1.1	{
221	root	1.31	if (!ev_is_active (&ev->iosig.io))
222			{
223			ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ \| EV_WRITE));
224			ev_io_start (EV_A_ &ev->iosig.io);
225	root	1.27
226	root	1.31	ev->ev_flags \|= EVLIST_INSERTED;
227			}
228	root	1.1	}
229
230	root	1.4	if (tv)
231	root	1.1	{
232	root	1.37	ev->to.repeat = ev_tv_get (tv);
233	root	1.31	ev_timer_again (EV_A_ &ev->to);
234	root	1.27	ev->ev_flags \|= EVLIST_TIMEOUT;
235	root	1.1	}
236	root	1.31	else
237	root	1.32	{
238	root	1.31	ev_timer_stop (EV_A_ &ev->to);
239	root	1.32	ev->ev_flags &= ~EVLIST_TIMEOUT;
240			}
241	root	1.1
242	root	1.27	ev->ev_flags \|= EVLIST_ACTIVE;
243
244	root	1.1	return 0;
245			}
246
247			int event_del (struct event *ev)
248			{
249	root	1.7	dLOOPev;
250
251	root	1.4	if (ev->ev_events & EV_SIGNAL)
252	root	1.32	ev_signal_stop (EV_A_ &ev->iosig.sig);
253	root	1.16	else if (ev->ev_events & (EV_READ \| EV_WRITE))
254	root	1.32	ev_io_stop (EV_A_ &ev->iosig.io);
255	root	1.1
256			if (ev_is_active (&ev->to))
257	root	1.7	ev_timer_stop (EV_A_ &ev->to);
258	root	1.1
259	root	1.27	ev->ev_flags = EVLIST_INIT;
260
261	root	1.1	return 0;
262			}
263
264	root	1.21	void event_active (struct event *ev, int res, short ncalls)
265			{
266	root	1.23	dLOOPev;
267
268	root	1.21	if (res & EV_TIMEOUT)
269	root	1.23	ev_feed_event (EV_A_ &ev->to, res & EV_TIMEOUT);
270	root	1.21
271			if (res & EV_SIGNAL)
272	root	1.23	ev_feed_event (EV_A_ &ev->iosig.sig, res & EV_SIGNAL);
273	root	1.21
274			if (res & (EV_READ \| EV_WRITE))
275	root	1.23	ev_feed_event (EV_A_ &ev->iosig.io, res & (EV_READ \| EV_WRITE));
276	root	1.21	}
277
278	root	1.1	int event_pending (struct event ev, short events, struct timeval tv)
279			{
280	root	1.18	short revents = 0;
281	root	1.7	dLOOPev;
282
283	root	1.4	if (ev->ev_events & EV_SIGNAL)
284			{
285			/* sig */
286	root	1.14	if (ev_is_active (&ev->iosig.sig) \|\| ev_is_pending (&ev->iosig.sig))
287	root	1.4	revents \|= EV_SIGNAL;
288			}
289	root	1.16	else if (ev->ev_events & (EV_READ \| EV_WRITE))
290	root	1.4	{
291			/* io */
292	root	1.14	if (ev_is_active (&ev->iosig.io) \|\| ev_is_pending (&ev->iosig.io))
293	root	1.4	revents \|= ev->ev_events & (EV_READ \| EV_WRITE);
294			}
295	root	1.1
296	root	1.14	if (ev->ev_events & EV_TIMEOUT \|\| ev_is_active (&ev->to) \|\| ev_is_pending (&ev->to))
297	root	1.1	{
298			revents \|= EV_TIMEOUT;
299
300			if (tv)
301	root	1.47	{
302			ev_tstamp at = ev_now (EV_A);
303
304			tv->tv_sec = (long)at;
305			tv->tv_usec = (long)((at - (ev_tstamp)tv->tv_sec) * 1e6);
306			}
307	root	1.1	}
308
309			return events & revents;
310			}
311
312			int event_priority_init (int npri)
313			{
314	root	1.37	return event_base_priority_init (ev_x_cur, npri);
315	root	1.1	}
316
317			int event_priority_set (struct event *ev, int pri)
318			{
319			ev->ev_pri = pri;
320
321			return 0;
322			}
323
324			int event_base_set (struct event_base base, struct event ev)
325			{
326			ev->ev_base = base;
327
328			return 0;
329			}
330
331			int event_base_loop (struct event_base *base, int flags)
332			{
333	root	1.7	dLOOPbase;
334	root	1.8
335	root	1.45	ev_run (EV_A_ flags);
336	root	1.1
337			return 0;
338			}
339
340			int event_base_dispatch (struct event_base *base)
341			{
342			return event_base_loop (base, 0);
343			}
344
345			static void
346	root	1.37	ev_x_loopexit_cb (int revents, void *base)
347	root	1.1	{
348	root	1.9	dLOOPbase;
349
350	root	1.45	ev_break (EV_A_ EVBREAK_ONE);
351	root	1.1	}
352
353			int event_base_loopexit (struct event_base base, struct timeval tv)
354			{
355	root	1.37	ev_tstamp after = ev_tv_get (tv);
356	root	1.7	dLOOPbase;
357	root	1.1
358	root	1.37	ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., ev_x_loopexit_cb, (void *)base);
359	root	1.5
360	root	1.34	return 0;
361	root	1.1	}
362
363	root	1.37	struct ev_x_once
364	root	1.1	{
365			int fd;
366			void (cb)(int, short, void );
367			void *arg;
368			};
369
370			static void
371	root	1.37	ev_x_once_cb (int revents, void *arg)
372	root	1.1	{
373	root	1.37	struct ev_x_once once = (struct ev_x_once )arg;
374	root	1.1
375	root	1.26	once->cb (once->fd, (short)revents, once->arg);
376	root	1.1	free (once);
377			}
378
379			int event_base_once (struct event_base base, int fd, short events, void (cb)(int, short, void ), void arg, struct timeval *tv)
380			{
381	root	1.37	struct ev_x_once once = (struct ev_x_once )malloc (sizeof (struct ev_x_once));
382	root	1.7	dLOOPbase;
383	root	1.1
384			if (!once)
385			return -1;
386
387			once->fd = fd;
388			once->cb = cb;
389			once->arg = arg;
390
391	root	1.37	ev_once (EV_A_ fd, events & (EV_READ \| EV_WRITE), ev_tv_get (tv), ev_x_once_cb, (void *)once);
392	root	1.1
393			return 0;
394			}
395
396			int event_base_priority_init (struct event_base *base, int npri)
397			{
398	root	1.13	/dLOOPbase;/
399	root	1.7
400	root	1.1	return 0;
401			}
402