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Comparing libev/event.c (file contents):
Revision 1.8 by root, Sat Nov 3 22:10:39 2007 UTC vs.
Revision 1.15 by root, Sun Nov 4 20:38:07 2007 UTC

… …
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> 34#include <sys/time.h>
35#include <assert.h>
35 36
37#include "ev.h"
36#include "event.h" 38#include "event.h"
37 39
38#ifdef EV_MULTIPLICITY 40#if EV_MULTIPLICITY
39# define dLOOPev struct ev_loop *loop = ev->ev_base->loop 41# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base
40# define dLOOPbase struct ev_loop *loop = base->loop 42# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base
41#else 43#else
42# define dLOOPev 44# define dLOOPev
43# define dLOOPbase 45# define dLOOPbase
44#endif 46#endif
45 47
48/* never accessed, will always be cast from/to ev_loop */
46struct event_base 49struct event_base
47{ 50{
48#ifdef EV_MULTIPLICITY
49 struct ev_loop *loop;
50#endif
51 int dummy; 51 int dummy;
52}; 52};
53 53
54static struct event_base x_base, *x_cur; 54static struct event_base *x_cur;
55 55
56static void 56static void
57tv_set (struct timeval *tv, ev_tstamp at) 57tv_set (struct timeval *tv, ev_tstamp at)
58{ 58{
59 tv->tv_sec = (long)at; 59 tv->tv_sec = (long)at;
… …
81 return "libev"; 81 return "libev";
82} 82}
83 83
84void *event_init (void) 84void *event_init (void)
85{ 85{
86 if (!x_cur && ev_init (0)) 86#if EV_MULTIPLICITY
87 return x_cur = &x_base; 87 if (x_cur)
88 x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO);
89 else
90 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO);
91#else
92 assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur));
88 93
94 x_cur = (struct event_base *)ev_default_loop (EVMETHOD_AUTO);
95#endif
96
89 return 0; 97 return x_cur;
90} 98}
91 99
92void event_base_free (struct event_base *base) 100void event_base_free (struct event_base *base)
93{ 101{
94 dLOOPbase; 102 dLOOPbase;
95 103
96 /* nop */ 104#if EV_MULTIPLICITY
105 if (ev_default_loop (EVMETHOD_AUTO) != loop)
106 ev_loop_destroy (loop);
107#endif
97} 108}
98 109
99int event_dispatch (void) 110int event_dispatch (void)
100{ 111{
101 return event_base_dispatch (x_cur); 112 return event_base_dispatch (x_cur);
… …
137x_cb_io (EV_P_ struct ev_io *w, int revents) 148x_cb_io (EV_P_ struct ev_io *w, int revents)
138{ 149{
139 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io)); 150 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io));
140 151
141 if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w)) 152 if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w))
142 ev_io_stop (w); 153 ev_io_stop (EV_A_ w);
143 154
144 x_cb (ev, revents); 155 x_cb (ev, revents);
145} 156}
146 157
147static void 158static void
148x_cb_to (EV_P_ struct ev_timer *w, int revents) 159x_cb_to (EV_P_ struct ev_timer *w, int revents)
149{ 160{
150 x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents); 161 struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to));
162
163 event_del (ev);
164
165 x_cb (ev, revents);
151} 166}
152 167
153void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) 168void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg)
154{ 169{
170 printf ("event set %p\n", ev);//D
155 if (events & EV_SIGNAL) 171 if (events & EV_SIGNAL)
156 ev_watcher_init (&ev->iosig.sig, x_cb_sig); 172 ev_watcher_init (&ev->iosig.sig, x_cb_sig);
157 else 173 else
158 ev_watcher_init (&ev->iosig.io, x_cb_io); 174 ev_watcher_init (&ev->iosig.io, x_cb_io);
159 175
160 ev_watcher_init (&ev->to, x_cb_to); 176 ev_watcher_init (&ev->to, x_cb_to);
161 177
162 ev->ev_base = x_cur; 178 ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */
163 ev->ev_fd = fd; 179 ev->ev_fd = fd;
164 ev->ev_events = events; 180 ev->ev_events = events;
165 ev->ev_pri = 0; 181 ev->ev_pri = 0;
166 ev->ev_callback = cb; 182 ev->ev_callback = cb;
167 ev->ev_arg = arg; 183 ev->ev_arg = arg;
… …
173 return event_base_once (x_cur, fd, events, cb, arg, tv); 189 return event_base_once (x_cur, fd, events, cb, arg, tv);
174} 190}
175 191
176int event_add (struct event *ev, struct timeval *tv) 192int event_add (struct event *ev, struct timeval *tv)
177{ 193{
194 printf ("event add %p %p\n", ev, &ev->to);//D
178 dLOOPev; 195 dLOOPev;
179 196
180 /* disable all watchers */ 197 /* disable all watchers */
181 event_del (ev); 198 event_del (ev);
182 199
… …
200 return 0; 217 return 0;
201} 218}
202 219
203int event_del (struct event *ev) 220int event_del (struct event *ev)
204{ 221{
222 printf ("event del %p\n", ev);//D
205 dLOOPev; 223 dLOOPev;
206 224
207 if (ev->ev_events & EV_SIGNAL) 225 if (ev->ev_events & EV_SIGNAL)
208 { 226 {
209 /* sig */ 227 /* sig */
… …
215 /* io */ 233 /* io */
216 if (ev_is_active (&ev->iosig.io)) 234 if (ev_is_active (&ev->iosig.io))
217 ev_io_stop (EV_A_ &ev->iosig.io); 235 ev_io_stop (EV_A_ &ev->iosig.io);
218 } 236 }
219 237
238 printf ("to %p %d\n", &ev->to, ev->to.active);//D
220 if (ev_is_active (&ev->to)) 239 if (ev_is_active (&ev->to))
221 ev_timer_stop (EV_A_ &ev->to); 240 ev_timer_stop (EV_A_ &ev->to);
222 241
223 return 0; 242 return 0;
224} 243}
… …
230 short revents = 0; 249 short revents = 0;
231 250
232 if (ev->ev_events & EV_SIGNAL) 251 if (ev->ev_events & EV_SIGNAL)
233 { 252 {
234 /* sig */ 253 /* sig */
235 if (ev->iosig.sig.pending) 254 if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig))
236 revents |= EV_SIGNAL; 255 revents |= EV_SIGNAL;
237 } 256 }
238 else 257 else
239 { 258 {
240 /* io */ 259 /* io */
241 if (ev->iosig.io.pending) 260 if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io))
242 revents |= ev->ev_events & (EV_READ | EV_WRITE); 261 revents |= ev->ev_events & (EV_READ | EV_WRITE);
243 } 262 }
244 263
245 if (ev->to.pending) 264 if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
246 { 265 {
247 revents |= EV_TIMEOUT; 266 revents |= EV_TIMEOUT;
248 267
249 if (tv) 268 if (tv)
250 tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ 269 tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */
… …
285{ 304{
286 return event_base_loop (base, 0); 305 return event_base_loop (base, 0);
287} 306}
288 307
289static void 308static void
290x_loopexit_cb (EV_P_ int revents, void *arg) 309x_loopexit_cb (int revents, void *base)
291{ 310{
311 dLOOPbase;
312
292 ev_unloop (EV_A_ 2); 313 ev_unloop (EV_A_ EVUNLOOP_ONCE);
293} 314}
294 315
295int event_base_loopexit (struct event_base *base, struct timeval *tv) 316int event_base_loopexit (struct event_base *base, struct timeval *tv)
296{ 317{
297 dLOOPbase; 318 dLOOPbase;
… …
335 return 0; 356 return 0;
336} 357}
337 358
338int event_base_priority_init (struct event_base *base, int npri) 359int event_base_priority_init (struct event_base *base, int npri)
339{ 360{
340 dLOOPbase; 361 /*dLOOPbase;*/
341 362
342 return 0; 363 return 0;
343} 364}
344 365

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