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