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Comparing libev/ev.h (file contents):
Revision 1.9 by root, Wed Oct 31 13:57:34 2007 UTC vs.
Revision 1.13 by root, Wed Oct 31 20:10:17 2007 UTC

1/*
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
1#ifndef EV_H 30#ifndef EV_H
2#define EV_H 31#define EV_H
3 32
4typedef double ev_tstamp; 33typedef double ev_tstamp;
5 34
… …
10#define EV_WRITE 0x02 39#define EV_WRITE 0x02
11#define EV_TIMEOUT 0x04 40#define EV_TIMEOUT 0x04
12#define EV_SIGNAL 0x08 41#define EV_SIGNAL 0x08
13#define EV_IDLE 0x10 42#define EV_IDLE 0x10
14#define EV_CHECK 0x20 43#define EV_CHECK 0x20
44#define EV_PREPARE 0x40
45#define EV_CHILD 0x80
15#define EV_ERROR (0x3f|0x80) 46#define EV_ERROR (0xff|0x8000)
16 47
17/* can be used to add custom fields to all watchers */ 48/* can be used to add custom fields to all watchers */
18#ifndef EV_COMMON 49#ifndef EV_COMMON
19# define EV_COMMON void *data 50# define EV_COMMON void *data
20#endif 51#endif
… …
96struct ev_idle 127struct ev_idle
97{ 128{
98 EV_WATCHER (ev_idle); 129 EV_WATCHER (ev_idle);
99}; 130};
100 131
101/* invoked for each run of the mainloop, just before the next blocking vall is initiated */ 132/* invoked for each run of the mainloop, just before the blocking call */
133/* you can still change events in any way you like */
134struct ev_prepare
135{
136 EV_WATCHER (ev_prepare);
137};
138
139/* invoked for each run of the mainloop, just after the blocking call */
102struct ev_check 140struct ev_check
103{ 141{
104 EV_WATCHER (ev_check); 142 EV_WATCHER (ev_check);
143};
144
145/* invoked when sigchld is received and waitpid indicates the givne pid */
146struct ev_child
147{
148 EV_WATCHER_LIST (ev_child);
149
150 int pid; /* ro */
151 int status; /* rw, holds the exit status, use the macros from sys/wait.h */
105}; 152};
106 153
107#define EVMETHOD_NONE 0 154#define EVMETHOD_NONE 0
108#define EVMETHOD_SELECT 1 155#define EVMETHOD_SELECT 1
109#define EVMETHOD_EPOLL 2 156#define EVMETHOD_EPOLL 2
… …
137 184
138#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 185#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
139#define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 186#define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
140#define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 187#define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)
141#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 188#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
189#define evidle_set(ev) /* nop, yes, this is a serious in-joke */
190#define evprepare_set(ev) /* nop, yes, this is a serious in-joke */
142#define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ 191#define evcheck_set(ev) /* nop, yes, this is a serious in-joke */
143#define evidle_set(ev) /* nop, yes, this is a serious in-joke */ 192#define evchild_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
144 193
145#define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) 194#define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0)
146#define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) 195#define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0)
147#define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) 196#define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0)
148#define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) 197#define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0)
198#define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0)
199#define evprepare_init(ev,cb) do { evw_init ((ev), (cb)); evprepare_set ((ev)); } while (0)
149#define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) 200#define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0)
150#define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) 201#define evchild_init(ev,cb,pid) do { evw_init ((ev), (cb)); evchild_set ((ev),(pid)); } while (0)
151 202
152#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 203#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */
153 204
154/* stopping (enabling, adding) a watcher does nothing if it is already running */ 205/* stopping (enabling, adding) a watcher does nothing if it is already running */
155/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 206/* stopping (disabling, deleting) a watcher does nothing unless its already running */
… …
168void evsignal_stop (struct ev_signal *w); 219void evsignal_stop (struct ev_signal *w);
169 220
170void evidle_start (struct ev_idle *w); 221void evidle_start (struct ev_idle *w);
171void evidle_stop (struct ev_idle *w); 222void evidle_stop (struct ev_idle *w);
172 223
224void evprepare_start (struct ev_prepare *w);
225void evprepare_stop (struct ev_prepare *w);
226
173void evcheck_start (struct ev_check *w); 227void evcheck_start (struct ev_check *w);
174void evcheck_stop (struct ev_check *w); 228void evcheck_stop (struct ev_check *w);
175#endif
176 229
230void evchild_start (struct ev_child *w);
231void evchild_stop (struct ev_child *w);
177#endif 232#endif
178 233
234#endif
235

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