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Comparing libev/event.c (file contents):
Revision 1.10 by root, Sun Nov 4 15:58:50 2007 UTC vs.
Revision 1.32 by root, Thu Nov 29 12:21:06 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>
36 35
36#ifndef WIN32
37# include <sys/time.h>
38#endif
39
40#ifdef EV_EVENT_H
41# include EV_EVENT_H
42#else
37#include "event.h" 43# include "event.h"
44#endif
38 45
39#if EV_MULTIPLICITY 46#if EV_MULTIPLICITY
40# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base 47# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base
41# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base 48# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base
42#else 49#else
… …
82 89
83void *event_init (void) 90void *event_init (void)
84{ 91{
85#if EV_MULTIPLICITY 92#if EV_MULTIPLICITY
86 if (x_cur) 93 if (x_cur)
87 x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO); 94 x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO);
88 else 95 else
89 x_cur = ev_default_loop (EVMETHOD_AUTO); 96 x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO);
90#else 97#else
91 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur)); 98 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur));
92 99
93 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO); 100 x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO);
94#endif 101#endif
95 102
96 return x_cur; 103 return x_cur;
97} 104}
98 105
99void event_base_free (struct event_base *base) 106void event_base_free (struct event_base *base)
100{ 107{
101 dLOOPbase; 108 dLOOPbase;
102 109
103#if EV_MULTIPLICITY 110#if EV_MULTIPLICITY
111 if (ev_default_loop (EVFLAG_AUTO) != loop)
104 ev_loop_delete (loop); 112 ev_loop_destroy (loop);
105#endif 113#endif
106} 114}
107 115
108int event_dispatch (void) 116int event_dispatch (void)
109{ 117{
… …
131x_cb (struct event *ev, int revents) 139x_cb (struct event *ev, int revents)
132{ 140{
133 revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL; 141 revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL;
134 142
135 ev->ev_res = revents; 143 ev->ev_res = revents;
136 ev->ev_callback (ev->ev_fd, revents, ev->ev_arg); 144 ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg);
137} 145}
138 146
139static void 147static void
140x_cb_sig (EV_P_ struct ev_signal *w, int revents) 148x_cb_sig (EV_P_ struct ev_signal *w, int revents)
141{ 149{
142 x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents); 150 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.sig));
151
152 if (revents & EV_ERROR)
153 event_del (ev);
154
155 x_cb (ev, revents);
143} 156}
144 157
145static void 158static void
146x_cb_io (EV_P_ struct ev_io *w, int revents) 159x_cb_io (EV_P_ struct ev_io *w, int revents)
147{ 160{
148 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); 161 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io));
149 162
150 if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) 163 if ((revents & EV_ERROR) || !(ev->ev_events & EV_PERSIST))
151 ev_io_stop (EV_A_ w); 164 event_del (ev);
152 165
153 x_cb (ev, revents); 166 x_cb (ev, revents);
154} 167}
155 168
156static void 169static void
157x_cb_to (EV_P_ struct ev_timer *w, int revents) 170x_cb_to (EV_P_ struct ev_timer *w, int revents)
158{ 171{
159 x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents); 172 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to));
173
174 event_del (ev);
175
176 x_cb (ev, revents);
160} 177}
161 178
162void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) 179void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg)
163{ 180{
164 if (!ev->initialised)
165 {
166 ev->initialised = 1;
167
168 if (events & EV_SIGNAL) 181 if (events & EV_SIGNAL)
169 ev_watcher_init (&ev->iosig.sig, x_cb_sig); 182 ev_init (&ev->iosig.sig, x_cb_sig);
170 else 183 else
171 ev_watcher_init (&ev->iosig.io, x_cb_io); 184 ev_init (&ev->iosig.io, x_cb_io);
172 185
173 ev_watcher_init (&ev->to, x_cb_to); 186 ev_init (&ev->to, x_cb_to);
174 }
175 187
176 ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */ 188 ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */
177 ev->ev_fd = fd; 189 ev->ev_fd = fd;
178 ev->ev_events = events; 190 ev->ev_events = events;
179 ev->ev_pri = 0; 191 ev->ev_pri = 0;
180 ev->ev_callback = cb; 192 ev->ev_callback = cb;
181 ev->ev_arg = arg; 193 ev->ev_arg = arg;
182 ev->ev_res = 0; 194 ev->ev_res = 0;
195 ev->ev_flags = EVLIST_INIT;
183} 196}
184 197
185int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) 198int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
186{ 199{
187 return event_base_once (x_cur, fd, events, cb, arg, tv); 200 return event_base_once (x_cur, fd, events, cb, arg, tv);
… …
189 202
190int event_add (struct event *ev, struct timeval *tv) 203int event_add (struct event *ev, struct timeval *tv)
191{ 204{
192 dLOOPev; 205 dLOOPev;
193 206
194 /* disable all watchers */
195 event_del (ev);
196
197 if (ev->ev_events & EV_SIGNAL) 207 if (ev->ev_events & EV_SIGNAL)
198 { 208 {
209 if (!ev_is_active (&ev->iosig.sig))
210 {
199 ev_signal_set (&ev->iosig.sig, ev->ev_fd); 211 ev_signal_set (&ev->iosig.sig, ev->ev_fd);
200 ev_signal_start (EV_A_ &ev->iosig.sig); 212 ev_signal_start (EV_A_ &ev->iosig.sig);
213
214 ev->ev_flags |= EVLIST_SIGNAL;
215 }
201 } 216 }
202 else if (ev->ev_events & (EV_READ | EV_WRITE)) 217 else if (ev->ev_events & (EV_READ | EV_WRITE))
203 { 218 {
219 if (!ev_is_active (&ev->iosig.io))
220 {
204 ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE)); 221 ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE));
205 ev_io_start (EV_A_ &ev->iosig.io); 222 ev_io_start (EV_A_ &ev->iosig.io);
223
224 ev->ev_flags |= EVLIST_INSERTED;
225 }
206 } 226 }
207 227
208 if (tv) 228 if (tv)
209 { 229 {
210 ev_timer_set (&ev->to, tv_get (tv), 0.); 230 ev->to.repeat = tv_get (tv);
231 ev_timer_again (EV_A_ &ev->to);
232 ev->ev_flags |= EVLIST_TIMEOUT;
233 }
234 else
235 {
211 ev_timer_start (EV_A_ &ev->to); 236 ev_timer_stop (EV_A_ &ev->to);
237 ev->ev_flags &= ~EVLIST_TIMEOUT;
212 } 238 }
239
240 ev->ev_flags |= EVLIST_ACTIVE;
213 241
214 return 0; 242 return 0;
215} 243}
216 244
217int event_del (struct event *ev) 245int event_del (struct event *ev)
218{ 246{
219 dLOOPev; 247 dLOOPev;
220 248
221 if (ev->ev_events & EV_SIGNAL) 249 if (ev->ev_events & EV_SIGNAL)
222 {
223 /* sig */
224 if (ev_is_active (&ev->iosig.sig))
225 ev_signal_stop (EV_A_ &ev->iosig.sig); 250 ev_signal_stop (EV_A_ &ev->iosig.sig);
226 } 251 else if (ev->ev_events & (EV_READ | EV_WRITE))
227 else
228 {
229 /* io */
230 if (ev_is_active (&ev->iosig.io))
231 ev_io_stop (EV_A_ &ev->iosig.io); 252 ev_io_stop (EV_A_ &ev->iosig.io);
232 }
233 253
234 if (ev_is_active (&ev->to)) 254 if (ev_is_active (&ev->to))
235 ev_timer_stop (EV_A_ &ev->to); 255 ev_timer_stop (EV_A_ &ev->to);
236 256
257 ev->ev_flags = EVLIST_INIT;
258
237 return 0; 259 return 0;
260}
261
262void event_active (struct event *ev, int res, short ncalls)
263{
264 dLOOPev;
265
266 if (res & EV_TIMEOUT)
267 ev_feed_event (EV_A_ &ev->to, res & EV_TIMEOUT);
268
269 if (res & EV_SIGNAL)
270 ev_feed_event (EV_A_ &ev->iosig.sig, res & EV_SIGNAL);
271
272 if (res & (EV_READ | EV_WRITE))
273 ev_feed_event (EV_A_ &ev->iosig.io, res & (EV_READ | EV_WRITE));
238} 274}
239 275
240int event_pending (struct event *ev, short events, struct timeval *tv) 276int event_pending (struct event *ev, short events, struct timeval *tv)
241{ 277{
278 short revents = 0;
242 dLOOPev; 279 dLOOPev;
243 280
244 short revents = 0;
245 281
246 if (ev->ev_events & EV_SIGNAL) 282 if (ev->ev_events & EV_SIGNAL)
247 { 283 {
248 /* sig */ 284 /* sig */
249 if (ev->iosig.sig.pending) 285 if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig))
250 revents |= EV_SIGNAL; 286 revents |= EV_SIGNAL;
251 } 287 }
252 else 288 else if (ev->ev_events & (EV_READ | EV_WRITE))
253 { 289 {
254 /* io */ 290 /* io */
255 if (ev->iosig.io.pending) 291 if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io))
256 revents |= ev->ev_events & (EV_READ | EV_WRITE); 292 revents |= ev->ev_events & (EV_READ | EV_WRITE);
257 } 293 }
258 294
259 if (ev->to.pending) 295 if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
260 { 296 {
261 revents |= EV_TIMEOUT; 297 revents |= EV_TIMEOUT;
262 298
263 if (tv) 299 if (tv)
264 tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ 300 tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */
… …
303static void 339static void
304x_loopexit_cb (int revents, void *base) 340x_loopexit_cb (int revents, void *base)
305{ 341{
306 dLOOPbase; 342 dLOOPbase;
307 343
308 ev_unloop (EV_A_ EVUNLOOP_ONCE); 344 ev_unloop (EV_A_ EVUNLOOP_ONE);
309} 345}
310 346
311int event_base_loopexit (struct event_base *base, struct timeval *tv) 347int event_base_loopexit (struct event_base *base, struct timeval *tv)
312{ 348{
313 dLOOPbase;
314 ev_tstamp after = tv_get (tv); 349 ev_tstamp after = tv_get (tv);
350 dLOOPbase;
315 351
316 ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); 352 ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base);
317 353
318 return -1; 354 return -1;
319} 355}
… …
326}; 362};
327 363
328static void 364static void
329x_once_cb (int revents, void *arg) 365x_once_cb (int revents, void *arg)
330{ 366{
331 struct x_once *once = arg; 367 struct x_once *once = (struct x_once *)arg;
332 368
333 once->cb (once->fd, revents, once->arg); 369 once->cb (once->fd, (short)revents, once->arg);
334 free (once); 370 free (once);
335} 371}
336 372
337int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) 373int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
338{ 374{
339 dLOOPbase;
340 struct x_once *once = malloc (sizeof (struct x_once)); 375 struct x_once *once = (struct x_once *)malloc (sizeof (struct x_once));
376 dLOOPbase;
341 377
342 if (!once) 378 if (!once)
343 return -1; 379 return -1;
344 380
345 once->fd = fd; 381 once->fd = fd;
… …
351 return 0; 387 return 0;
352} 388}
353 389
354int event_base_priority_init (struct event_base *base, int npri) 390int event_base_priority_init (struct event_base *base, int npri)
355{ 391{
356 dLOOPbase; 392 /*dLOOPbase;*/
357 393
358 return 0; 394 return 0;
359} 395}
360 396

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