ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/event.c
(Generate patch)

Comparing libev/event.c (file contents):
Revision 1.13 by root, Sun Nov 4 18:29:44 2007 UTC vs.
Revision 1.23 by root, Thu Nov 8 23:53:41 2007 UTC

… …
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */ 30 */
31 31
32#include <stddef.h> 32#include <stddef.h>
33#include <stdlib.h> 33#include <stdlib.h>
34#include <sys/time.h>
35#include <assert.h> 34#include <assert.h>
35
36#ifndef WIN32
37# include <sys/time.h>
38#endif
36 39
37#include "ev.h" 40#include "ev.h"
38#include "event.h" 41#include "event.h"
39 42
40#if EV_MULTIPLICITY 43#if EV_MULTIPLICITY
… …
89 else 92 else
90 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO); 93 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO);
91#else 94#else
92 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur)); 95 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur));
93 96
94 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO); 97 x_cur = (struct event_base *)(long)ev_default_loop (EVMETHOD_AUTO);
95#endif 98#endif
96 99
97 return x_cur; 100 return x_cur;
98} 101}
99 102
… …
139} 142}
140 143
141static void 144static void
142x_cb_sig (EV_P_ struct ev_signal *w, int revents) 145x_cb_sig (EV_P_ struct ev_signal *w, int revents)
143{ 146{
144 x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents); 147 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.sig));
148
149 if (revents & EV_ERROR)
150 event_del (ev);
151
152 x_cb (ev, revents);
145} 153}
146 154
147static void 155static void
148x_cb_io (EV_P_ struct ev_io *w, int revents) 156x_cb_io (EV_P_ struct ev_io *w, int revents)
149{ 157{
150 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); 158 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io));
151 159
160 if (revents & EV_ERROR)
161 event_del (ev);
152 if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) 162 else if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w))
153 ev_io_stop (EV_A_ w); 163 ev_io_stop (EV_A_ w);
154 164
155 x_cb (ev, revents); 165 x_cb (ev, revents);
156} 166}
157 167
158static void 168static void
159x_cb_to (EV_P_ struct ev_timer *w, int revents) 169x_cb_to (EV_P_ struct ev_timer *w, int revents)
160{ 170{
161 x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents); 171 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to));
172
173 event_del (ev);
174
175 x_cb (ev, revents);
162} 176}
163 177
164void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) 178void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg)
165{ 179{
166 if (!ev->initialised)
167 {
168 ev->initialised = 1;
169
170 if (events & EV_SIGNAL) 180 if (events & EV_SIGNAL)
171 ev_watcher_init (&ev->iosig.sig, x_cb_sig); 181 ev_watcher_init (&ev->iosig.sig, x_cb_sig);
172 else 182 else
173 ev_watcher_init (&ev->iosig.io, x_cb_io); 183 ev_watcher_init (&ev->iosig.io, x_cb_io);
174 184
175 ev_watcher_init (&ev->to, x_cb_to); 185 ev_watcher_init (&ev->to, x_cb_to);
176 }
177 186
178 ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */ 187 ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */
179 ev->ev_fd = fd; 188 ev->ev_fd = fd;
180 ev->ev_events = events; 189 ev->ev_events = events;
181 ev->ev_pri = 0; 190 ev->ev_pri = 0;
… …
224 { 233 {
225 /* sig */ 234 /* sig */
226 if (ev_is_active (&ev->iosig.sig)) 235 if (ev_is_active (&ev->iosig.sig))
227 ev_signal_stop (EV_A_ &ev->iosig.sig); 236 ev_signal_stop (EV_A_ &ev->iosig.sig);
228 } 237 }
229 else 238 else if (ev->ev_events & (EV_READ | EV_WRITE))
230 { 239 {
231 /* io */ 240 /* io */
232 if (ev_is_active (&ev->iosig.io)) 241 if (ev_is_active (&ev->iosig.io))
233 ev_io_stop (EV_A_ &ev->iosig.io); 242 ev_io_stop (EV_A_ &ev->iosig.io);
234 } 243 }
… …
237 ev_timer_stop (EV_A_ &ev->to); 246 ev_timer_stop (EV_A_ &ev->to);
238 247
239 return 0; 248 return 0;
240} 249}
241 250
251void event_active (struct event *ev, int res, short ncalls)
252{
253 dLOOPev;
254
255 if (res & EV_TIMEOUT)
256 ev_feed_event (EV_A_ &ev->to, res & EV_TIMEOUT);
257
258 if (res & EV_SIGNAL)
259 ev_feed_event (EV_A_ &ev->iosig.sig, res & EV_SIGNAL);
260
261 if (res & (EV_READ | EV_WRITE))
262 ev_feed_event (EV_A_ &ev->iosig.io, res & (EV_READ | EV_WRITE));
263}
264
242int event_pending (struct event *ev, short events, struct timeval *tv) 265int event_pending (struct event *ev, short events, struct timeval *tv)
243{ 266{
267 short revents = 0;
244 dLOOPev; 268 dLOOPev;
245 269
246 short revents = 0;
247 270
248 if (ev->ev_events & EV_SIGNAL) 271 if (ev->ev_events & EV_SIGNAL)
249 { 272 {
250 /* sig */ 273 /* sig */
251 if (ev->iosig.sig.pending) 274 if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig))
252 revents |= EV_SIGNAL; 275 revents |= EV_SIGNAL;
253 } 276 }
254 else 277 else if (ev->ev_events & (EV_READ | EV_WRITE))
255 { 278 {
256 /* io */ 279 /* io */
257 if (ev->iosig.io.pending) 280 if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io))
258 revents |= ev->ev_events & (EV_READ | EV_WRITE); 281 revents |= ev->ev_events & (EV_READ | EV_WRITE);
259 } 282 }
260 283
261 if (ev->to.pending) 284 if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
262 { 285 {
263 revents |= EV_TIMEOUT; 286 revents |= EV_TIMEOUT;
264 287
265 if (tv) 288 if (tv)
266 tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ 289 tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */
… …
310 ev_unloop (EV_A_ EVUNLOOP_ONCE); 333 ev_unloop (EV_A_ EVUNLOOP_ONCE);
311} 334}
312 335
313int event_base_loopexit (struct event_base *base, struct timeval *tv) 336int event_base_loopexit (struct event_base *base, struct timeval *tv)
314{ 337{
315 dLOOPbase;
316 ev_tstamp after = tv_get (tv); 338 ev_tstamp after = tv_get (tv);
339 dLOOPbase;
317 340
318 ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); 341 ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base);
319 342
320 return -1; 343 return -1;
321} 344}
… …
328}; 351};
329 352
330static void 353static void
331x_once_cb (int revents, void *arg) 354x_once_cb (int revents, void *arg)
332{ 355{
333 struct x_once *once = arg; 356 struct x_once *once = (struct x_once *)arg;
334 357
335 once->cb (once->fd, revents, once->arg); 358 once->cb (once->fd, revents, once->arg);
336 free (once); 359 free (once);
337} 360}
338 361
339int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) 362int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
340{ 363{
341 dLOOPbase;
342 struct x_once *once = malloc (sizeof (struct x_once)); 364 struct x_once *once = (struct x_once *)malloc (sizeof (struct x_once));
365 dLOOPbase;
343 366
344 if (!once) 367 if (!once)
345 return -1; 368 return -1;
346 369
347 once->fd = fd; 370 once->fd = fd;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines