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

Comparing libev/event.c (file contents):
Revision 1.9 by root, Sun Nov 4 00:24:17 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 <assert.h>
35
36#ifndef WIN32
34#include <sys/time.h> 37# include <sys/time.h>
38#endif
35 39
40#include "ev.h"
36#include "event.h" 41#include "event.h"
37 42
38#if EV_MULTIPLICITY 43#if EV_MULTIPLICITY
39# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base 44# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base
40# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base 45# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base
… …
47struct event_base 52struct event_base
48{ 53{
49 int dummy; 54 int dummy;
50}; 55};
51 56
52static struct event_base x_base, *x_cur; 57static struct event_base *x_cur;
53 58
54static void 59static void
55tv_set (struct timeval *tv, ev_tstamp at) 60tv_set (struct timeval *tv, ev_tstamp at)
56{ 61{
57 tv->tv_sec = (long)at; 62 tv->tv_sec = (long)at;
… …
80} 85}
81 86
82void *event_init (void) 87void *event_init (void)
83{ 88{
84#if EV_MULTIPLICITY 89#if EV_MULTIPLICITY
90 if (x_cur)
85 x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO); 91 x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO);
92 else
93 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO);
86#else 94#else
87 x_cur = &x_base; 95 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur));
96
97 x_cur = (struct event_base *)(long)ev_default_loop (EVMETHOD_AUTO);
88#endif 98#endif
89 99
90 return x_cur; 100 return x_cur;
91} 101}
92 102
93void event_base_free (struct event_base *base) 103void event_base_free (struct event_base *base)
94{ 104{
95 dLOOPbase; 105 dLOOPbase;
96 106
97#if EV_MULTIPLICITY 107#if EV_MULTIPLICITY
108 if (ev_default_loop (EVMETHOD_AUTO) != loop)
98 ev_loop_delete (loop); 109 ev_loop_destroy (loop);
99#endif 110#endif
100} 111}
101 112
102int event_dispatch (void) 113int event_dispatch (void)
103{ 114{
… …
131} 142}
132 143
133static void 144static void
134x_cb_sig (EV_P_ struct ev_signal *w, int revents) 145x_cb_sig (EV_P_ struct ev_signal *w, int revents)
135{ 146{
136 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);
137} 153}
138 154
139static void 155static void
140x_cb_io (EV_P_ struct ev_io *w, int revents) 156x_cb_io (EV_P_ struct ev_io *w, int revents)
141{ 157{
142 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));
143 159
160 if (revents & EV_ERROR)
161 event_del (ev);
144 if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) 162 else if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w))
145 ev_io_stop (EV_A_ w); 163 ev_io_stop (EV_A_ w);
146 164
147 x_cb (ev, revents); 165 x_cb (ev, revents);
148} 166}
149 167
150static void 168static void
151x_cb_to (EV_P_ struct ev_timer *w, int revents) 169x_cb_to (EV_P_ struct ev_timer *w, int revents)
152{ 170{
153 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);
154} 176}
155 177
156void 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)
157{ 179{
158 if (!ev->initialised)
159 {
160 ev->initialised = 1;
161
162 if (events & EV_SIGNAL) 180 if (events & EV_SIGNAL)
163 ev_watcher_init (&ev->iosig.sig, x_cb_sig); 181 ev_watcher_init (&ev->iosig.sig, x_cb_sig);
164 else 182 else
165 ev_watcher_init (&ev->iosig.io, x_cb_io); 183 ev_watcher_init (&ev->iosig.io, x_cb_io);
166 184
167 ev_watcher_init (&ev->to, x_cb_to); 185 ev_watcher_init (&ev->to, x_cb_to);
168 }
169 186
170 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 */
171 ev->ev_fd = fd; 188 ev->ev_fd = fd;
172 ev->ev_events = events; 189 ev->ev_events = events;
173 ev->ev_pri = 0; 190 ev->ev_pri = 0;
… …
216 { 233 {
217 /* sig */ 234 /* sig */
218 if (ev_is_active (&ev->iosig.sig)) 235 if (ev_is_active (&ev->iosig.sig))
219 ev_signal_stop (EV_A_ &ev->iosig.sig); 236 ev_signal_stop (EV_A_ &ev->iosig.sig);
220 } 237 }
221 else 238 else if (ev->ev_events & (EV_READ | EV_WRITE))
222 { 239 {
223 /* io */ 240 /* io */
224 if (ev_is_active (&ev->iosig.io)) 241 if (ev_is_active (&ev->iosig.io))
225 ev_io_stop (EV_A_ &ev->iosig.io); 242 ev_io_stop (EV_A_ &ev->iosig.io);
226 } 243 }
… …
229 ev_timer_stop (EV_A_ &ev->to); 246 ev_timer_stop (EV_A_ &ev->to);
230 247
231 return 0; 248 return 0;
232} 249}
233 250
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
234int event_pending (struct event *ev, short events, struct timeval *tv) 265int event_pending (struct event *ev, short events, struct timeval *tv)
235{ 266{
267 short revents = 0;
236 dLOOPev; 268 dLOOPev;
237 269
238 short revents = 0;
239 270
240 if (ev->ev_events & EV_SIGNAL) 271 if (ev->ev_events & EV_SIGNAL)
241 { 272 {
242 /* sig */ 273 /* sig */
243 if (ev->iosig.sig.pending) 274 if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig))
244 revents |= EV_SIGNAL; 275 revents |= EV_SIGNAL;
245 } 276 }
246 else 277 else if (ev->ev_events & (EV_READ | EV_WRITE))
247 { 278 {
248 /* io */ 279 /* io */
249 if (ev->iosig.io.pending) 280 if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io))
250 revents |= ev->ev_events & (EV_READ | EV_WRITE); 281 revents |= ev->ev_events & (EV_READ | EV_WRITE);
251 } 282 }
252 283
253 if (ev->to.pending) 284 if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
254 { 285 {
255 revents |= EV_TIMEOUT; 286 revents |= EV_TIMEOUT;
256 287
257 if (tv) 288 if (tv)
258 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 :) */
… …
302 ev_unloop (EV_A_ EVUNLOOP_ONCE); 333 ev_unloop (EV_A_ EVUNLOOP_ONCE);
303} 334}
304 335
305int event_base_loopexit (struct event_base *base, struct timeval *tv) 336int event_base_loopexit (struct event_base *base, struct timeval *tv)
306{ 337{
307 dLOOPbase;
308 ev_tstamp after = tv_get (tv); 338 ev_tstamp after = tv_get (tv);
339 dLOOPbase;
309 340
310 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);
311 342
312 return -1; 343 return -1;
313} 344}
… …
320}; 351};
321 352
322static void 353static void
323x_once_cb (int revents, void *arg) 354x_once_cb (int revents, void *arg)
324{ 355{
325 struct x_once *once = arg; 356 struct x_once *once = (struct x_once *)arg;
326 357
327 once->cb (once->fd, revents, once->arg); 358 once->cb (once->fd, revents, once->arg);
328 free (once); 359 free (once);
329} 360}
330 361
331int 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)
332{ 363{
333 dLOOPbase;
334 struct x_once *once = malloc (sizeof (struct x_once)); 364 struct x_once *once = (struct x_once *)malloc (sizeof (struct x_once));
365 dLOOPbase;
335 366
336 if (!once) 367 if (!once)
337 return -1; 368 return -1;
338 369
339 once->fd = fd; 370 once->fd = fd;
… …
345 return 0; 376 return 0;
346} 377}
347 378
348int event_base_priority_init (struct event_base *base, int npri) 379int event_base_priority_init (struct event_base *base, int npri)
349{ 380{
350 dLOOPbase; 381 /*dLOOPbase;*/
351 382
352 return 0; 383 return 0;
353} 384}
354 385

Diff Legend

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