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Comparing libev/ev.c (file contents):
Revision 1.17 by root, Wed Oct 31 14:44:15 2007 UTC vs.
Revision 1.46 by root, Sat Nov 3 09:20:12 2007 UTC

1/* 1/*
2 * libev event processing core, watcher management
3 *
2 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
3 * All rights reserved. 5 * All rights reserved.
4 * 6 *
5 * Redistribution and use in source and binary forms, with or without 7 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are 8 * modification, are permitted provided that the following conditions are
… …
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * 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.
28 */ 30 */
31#if EV_USE_CONFIG_H
32# include "config.h"
33#endif
29 34
30#include <math.h> 35#include <math.h>
31#include <stdlib.h> 36#include <stdlib.h>
32#include <unistd.h> 37#include <unistd.h>
33#include <fcntl.h> 38#include <fcntl.h>
… …
36 41
37#include <stdio.h> 42#include <stdio.h>
38 43
39#include <assert.h> 44#include <assert.h>
40#include <errno.h> 45#include <errno.h>
46#include <sys/types.h>
47#ifndef WIN32
48# include <sys/wait.h>
49#endif
41#include <sys/time.h> 50#include <sys/time.h>
42#include <time.h> 51#include <time.h>
43 52
44#define HAVE_EPOLL 1 53/**/
45 54
46#ifndef HAVE_MONOTONIC 55#ifndef EV_USE_MONOTONIC
56# define EV_USE_MONOTONIC 1
57#endif
58
59#ifndef EV_USE_SELECT
60# define EV_USE_SELECT 1
61#endif
62
63#ifndef EV_USE_POLL
64# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
65#endif
66
67#ifndef EV_USE_EPOLL
68# define EV_USE_EPOLL 0
69#endif
70
71#ifndef EV_USE_KQUEUE
72# define EV_USE_KQUEUE 0
73#endif
74
75#ifndef EV_USE_REALTIME
76# define EV_USE_REALTIME 1
77#endif
78
79/**/
80
47# ifdef CLOCK_MONOTONIC 81#ifndef CLOCK_MONOTONIC
82# undef EV_USE_MONOTONIC
48# define HAVE_MONOTONIC 1 83# define EV_USE_MONOTONIC 0
49# endif 84#endif
50#endif
51 85
52#ifndef HAVE_SELECT
53# define HAVE_SELECT 1
54#endif
55
56#ifndef HAVE_EPOLL
57# define HAVE_EPOLL 0
58#endif
59
60#ifndef HAVE_REALTIME 86#ifndef CLOCK_REALTIME
61# define HAVE_REALTIME 1 /* posix requirement, but might be slower */ 87# undef EV_USE_REALTIME
88# define EV_USE_REALTIME 0
62#endif 89#endif
90
91/**/
63 92
64#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 93#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
65#define MAX_BLOCKTIME 60. 94#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
95#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
96/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */
66 97
67#include "ev.h" 98#include "ev.h"
99
100#if __GNUC__ >= 3
101# define expect(expr,value) __builtin_expect ((expr),(value))
102# define inline inline
103#else
104# define expect(expr,value) (expr)
105# define inline static
106#endif
107
108#define expect_false(expr) expect ((expr) != 0, 0)
109#define expect_true(expr) expect ((expr) != 0, 1)
110
111#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112#define ABSPRI(w) ((w)->priority - EV_MINPRI)
68 113
69typedef struct ev_watcher *W; 114typedef struct ev_watcher *W;
70typedef struct ev_watcher_list *WL; 115typedef struct ev_watcher_list *WL;
71typedef struct ev_watcher_time *WT; 116typedef struct ev_watcher_time *WT;
72 117
73static ev_tstamp now, diff; /* monotonic clock */ 118static ev_tstamp now_floor, now, diff; /* monotonic clock */
74ev_tstamp ev_now; 119ev_tstamp ev_now;
75int ev_method; 120int ev_method;
76 121
77static int have_monotonic; /* runtime */ 122static int have_monotonic; /* runtime */
78 123
… …
83/*****************************************************************************/ 128/*****************************************************************************/
84 129
85ev_tstamp 130ev_tstamp
86ev_time (void) 131ev_time (void)
87{ 132{
88#if HAVE_REALTIME 133#if EV_USE_REALTIME
89 struct timespec ts; 134 struct timespec ts;
90 clock_gettime (CLOCK_REALTIME, &ts); 135 clock_gettime (CLOCK_REALTIME, &ts);
91 return ts.tv_sec + ts.tv_nsec * 1e-9; 136 return ts.tv_sec + ts.tv_nsec * 1e-9;
92#else 137#else
93 struct timeval tv; 138 struct timeval tv;
… …
97} 142}
98 143
99static ev_tstamp 144static ev_tstamp
100get_clock (void) 145get_clock (void)
101{ 146{
102#if HAVE_MONOTONIC 147#if EV_USE_MONOTONIC
103 if (have_monotonic) 148 if (expect_true (have_monotonic))
104 { 149 {
105 struct timespec ts; 150 struct timespec ts;
106 clock_gettime (CLOCK_MONOTONIC, &ts); 151 clock_gettime (CLOCK_MONOTONIC, &ts);
107 return ts.tv_sec + ts.tv_nsec * 1e-9; 152 return ts.tv_sec + ts.tv_nsec * 1e-9;
108 } 153 }
109#endif 154#endif
110 155
111 return ev_time (); 156 return ev_time ();
112} 157}
113 158
159#define array_roundsize(base,n) ((n) | 4 & ~3)
160
114#define array_needsize(base,cur,cnt,init) \ 161#define array_needsize(base,cur,cnt,init) \
115 if ((cnt) > cur) \ 162 if (expect_false ((cnt) > cur)) \
116 { \ 163 { \
117 int newcnt = cur ? cur << 1 : 16; \ 164 int newcnt = cur; \
165 do \
166 { \
167 newcnt = array_roundsize (base, newcnt << 1); \
168 } \
169 while ((cnt) > newcnt); \
170 \
118 base = realloc (base, sizeof (*base) * (newcnt)); \ 171 base = realloc (base, sizeof (*base) * (newcnt)); \
119 init (base + cur, newcnt - cur); \ 172 init (base + cur, newcnt - cur); \
120 cur = newcnt; \ 173 cur = newcnt; \
121 } 174 }
122 175
123/*****************************************************************************/ 176/*****************************************************************************/
124 177
125typedef struct 178typedef struct
126{ 179{
127 struct ev_io *head; 180 struct ev_io *head;
128 unsigned char wev, rev; /* want, received event set */ 181 unsigned char events;
182 unsigned char reify;
129} ANFD; 183} ANFD;
130 184
131static ANFD *anfds; 185static ANFD *anfds;
132static int anfdmax; 186static int anfdmax;
133 187
134static int *fdchanges;
135static int fdchangemax, fdchangecnt;
136
137static void 188static void
138anfds_init (ANFD *base, int count) 189anfds_init (ANFD *base, int count)
139{ 190{
140 while (count--) 191 while (count--)
141 { 192 {
142 base->head = 0; 193 base->head = 0;
143 base->wev = base->rev = EV_NONE; 194 base->events = EV_NONE;
195 base->reify = 0;
196
144 ++base; 197 ++base;
145 } 198 }
146} 199}
147 200
148typedef struct 201typedef struct
149{ 202{
150 W w; 203 W w;
151 int events; 204 int events;
152} ANPENDING; 205} ANPENDING;
153 206
154static ANPENDING *pendings; 207static ANPENDING *pendings [NUMPRI];
155static int pendingmax, pendingcnt; 208static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
156 209
157static void 210static void
158event (W w, int events) 211event (W w, int events)
159{ 212{
160 if (w->active) 213 if (w->pending)
161 { 214 {
162 w->pending = ++pendingcnt;
163 array_needsize (pendings, pendingmax, pendingcnt, );
164 pendings [pendingcnt - 1].w = w;
165 pendings [pendingcnt - 1].events = events; 215 pendings [ABSPRI (w)][w->pending - 1].events |= events;
216 return;
166 } 217 }
218
219 w->pending = ++pendingcnt [ABSPRI (w)];
220 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], );
221 pendings [ABSPRI (w)][w->pending - 1].w = w;
222 pendings [ABSPRI (w)][w->pending - 1].events = events;
223}
224
225static void
226queue_events (W *events, int eventcnt, int type)
227{
228 int i;
229
230 for (i = 0; i < eventcnt; ++i)
231 event (events [i], type);
167} 232}
168 233
169static void 234static void
170fd_event (int fd, int events) 235fd_event (int fd, int events)
171{ 236{
… …
179 if (ev) 244 if (ev)
180 event ((W)w, ev); 245 event ((W)w, ev);
181 } 246 }
182} 247}
183 248
249/*****************************************************************************/
250
251static int *fdchanges;
252static int fdchangemax, fdchangecnt;
253
184static void 254static void
185queue_events (W *events, int eventcnt, int type) 255fd_reify (void)
186{ 256{
187 int i; 257 int i;
188 258
189 for (i = 0; i < eventcnt; ++i) 259 for (i = 0; i < fdchangecnt; ++i)
190 event (events [i], type); 260 {
261 int fd = fdchanges [i];
262 ANFD *anfd = anfds + fd;
263 struct ev_io *w;
264
265 int events = 0;
266
267 for (w = anfd->head; w; w = w->next)
268 events |= w->events;
269
270 anfd->reify = 0;
271
272 if (anfd->events != events)
273 {
274 method_modify (fd, anfd->events, events);
275 anfd->events = events;
276 }
277 }
278
279 fdchangecnt = 0;
280}
281
282static void
283fd_change (int fd)
284{
285 if (anfds [fd].reify || fdchangecnt < 0)
286 return;
287
288 anfds [fd].reify = 1;
289
290 ++fdchangecnt;
291 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
292 fdchanges [fdchangecnt - 1] = fd;
293}
294
295static void
296fd_kill (int fd)
297{
298 struct ev_io *w;
299
300 printf ("killing fd %d\n", fd);//D
301 while ((w = anfds [fd].head))
302 {
303 ev_io_stop (w);
304 event ((W)w, EV_ERROR | EV_READ | EV_WRITE);
305 }
306}
307
308/* called on EBADF to verify fds */
309static void
310fd_ebadf (void)
311{
312 int fd;
313
314 for (fd = 0; fd < anfdmax; ++fd)
315 if (anfds [fd].events)
316 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
317 fd_kill (fd);
318}
319
320/* called on ENOMEM in select/poll to kill some fds and retry */
321static void
322fd_enomem (void)
323{
324 int fd = anfdmax;
325
326 while (fd--)
327 if (anfds [fd].events)
328 {
329 close (fd);
330 fd_kill (fd);
331 return;
332 }
191} 333}
192 334
193/*****************************************************************************/ 335/*****************************************************************************/
194 336
195static struct ev_timer **timers; 337static struct ev_timer **timers;
… …
242/*****************************************************************************/ 384/*****************************************************************************/
243 385
244typedef struct 386typedef struct
245{ 387{
246 struct ev_signal *head; 388 struct ev_signal *head;
247 sig_atomic_t gotsig; 389 sig_atomic_t volatile gotsig;
248} ANSIG; 390} ANSIG;
249 391
250static ANSIG *signals; 392static ANSIG *signals;
251static int signalmax; 393static int signalmax;
252 394
253static int sigpipe [2]; 395static int sigpipe [2];
254static sig_atomic_t gotsig; 396static sig_atomic_t volatile gotsig;
255static struct ev_io sigev; 397static struct ev_io sigev;
256 398
257static void 399static void
258signals_init (ANSIG *base, int count) 400signals_init (ANSIG *base, int count)
259{ 401{
260 while (count--) 402 while (count--)
261 { 403 {
262 base->head = 0; 404 base->head = 0;
263 base->gotsig = 0; 405 base->gotsig = 0;
406
264 ++base; 407 ++base;
265 } 408 }
266} 409}
267 410
268static void 411static void
… …
271 signals [signum - 1].gotsig = 1; 414 signals [signum - 1].gotsig = 1;
272 415
273 if (!gotsig) 416 if (!gotsig)
274 { 417 {
275 gotsig = 1; 418 gotsig = 1;
276 write (sigpipe [1], &gotsig, 1); 419 write (sigpipe [1], &signum, 1);
277 } 420 }
278} 421}
279 422
280static void 423static void
281sigcb (struct ev_io *iow, int revents) 424sigcb (struct ev_io *iow, int revents)
282{ 425{
283 struct ev_signal *w; 426 struct ev_signal *w;
284 int sig; 427 int signum;
285 428
429 read (sigpipe [0], &revents, 1);
286 gotsig = 0; 430 gotsig = 0;
287 read (sigpipe [0], &revents, 1);
288 431
289 for (sig = signalmax; sig--; ) 432 for (signum = signalmax; signum--; )
290 if (signals [sig].gotsig) 433 if (signals [signum].gotsig)
291 { 434 {
292 signals [sig].gotsig = 0; 435 signals [signum].gotsig = 0;
293 436
294 for (w = signals [sig].head; w; w = w->next) 437 for (w = signals [signum].head; w; w = w->next)
295 event ((W)w, EV_SIGNAL); 438 event ((W)w, EV_SIGNAL);
296 } 439 }
297} 440}
298 441
299static void 442static void
300siginit (void) 443siginit (void)
301{ 444{
445#ifndef WIN32
302 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 446 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
303 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); 447 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
304 448
305 /* rather than sort out wether we really need nb, set it */ 449 /* rather than sort out wether we really need nb, set it */
306 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); 450 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
307 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); 451 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
452#endif
308 453
309 evio_set (&sigev, sigpipe [0], EV_READ); 454 ev_io_set (&sigev, sigpipe [0], EV_READ);
310 evio_start (&sigev); 455 ev_io_start (&sigev);
311} 456}
312 457
313/*****************************************************************************/ 458/*****************************************************************************/
314 459
315static struct ev_idle **idles; 460static struct ev_idle **idles;
316static int idlemax, idlecnt; 461static int idlemax, idlecnt;
317 462
463static struct ev_prepare **prepares;
464static int preparemax, preparecnt;
465
318static struct ev_check **checks; 466static struct ev_check **checks;
319static int checkmax, checkcnt; 467static int checkmax, checkcnt;
320 468
321/*****************************************************************************/ 469/*****************************************************************************/
322 470
471static struct ev_child *childs [PID_HASHSIZE];
472static struct ev_signal childev;
473
474#ifndef WIN32
475
476#ifndef WCONTINUED
477# define WCONTINUED 0
478#endif
479
480static void
481childcb (struct ev_signal *sw, int revents)
482{
483 struct ev_child *w;
484 int pid, status;
485
486 while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1)
487 for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)
488 if (w->pid == pid || !w->pid)
489 {
490 w->rpid = pid;
491 w->rstatus = status;
492 event ((W)w, EV_CHILD);
493 }
494}
495
496#endif
497
498/*****************************************************************************/
499
500#if EV_USE_KQUEUE
501# include "ev_kqueue.c"
502#endif
323#if HAVE_EPOLL 503#if EV_USE_EPOLL
324# include "ev_epoll.c" 504# include "ev_epoll.c"
325#endif 505#endif
506#if EV_USE_POLL
507# include "ev_poll.c"
508#endif
326#if HAVE_SELECT 509#if EV_USE_SELECT
327# include "ev_select.c" 510# include "ev_select.c"
328#endif 511#endif
329 512
513int
514ev_version_major (void)
515{
516 return EV_VERSION_MAJOR;
517}
518
519int
520ev_version_minor (void)
521{
522 return EV_VERSION_MINOR;
523}
524
525/* return true if we are running with elevated privileges and ignore env variables */
526static int
527enable_secure ()
528{
529 return getuid () != geteuid ()
530 || getgid () != getegid ();
531}
532
330int ev_init (int flags) 533int ev_init (int methods)
331{ 534{
332#if HAVE_MONOTONIC
333 {
334 struct timespec ts;
335 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
336 have_monotonic = 1;
337 }
338#endif
339
340 ev_now = ev_time ();
341 now = get_clock ();
342 diff = ev_now - now;
343
344 if (pipe (sigpipe))
345 return 0;
346
347 ev_method = EVMETHOD_NONE;
348#if HAVE_EPOLL
349 if (ev_method == EVMETHOD_NONE) epoll_init (flags);
350#endif
351#if HAVE_SELECT
352 if (ev_method == EVMETHOD_NONE) select_init (flags);
353#endif
354
355 if (ev_method) 535 if (!ev_method)
536 {
537#if EV_USE_MONOTONIC
356 { 538 {
539 struct timespec ts;
540 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
541 have_monotonic = 1;
542 }
543#endif
544
545 ev_now = ev_time ();
546 now = get_clock ();
547 now_floor = now;
548 diff = ev_now - now;
549
550 if (pipe (sigpipe))
551 return 0;
552
553 if (methods == EVMETHOD_AUTO)
554 if (!enable_secure () && getenv ("LIBEV_METHODS"))
555 methods = atoi (getenv ("LIBEV_METHODS"));
556 else
557 methods = EVMETHOD_ANY;
558
559 ev_method = 0;
560#if EV_USE_KQUEUE
561 if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);
562#endif
563#if EV_USE_EPOLL
564 if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);
565#endif
566#if EV_USE_POLL
567 if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);
568#endif
569#if EV_USE_SELECT
570 if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);
571#endif
572
573 if (ev_method)
574 {
357 evw_init (&sigev, sigcb); 575 ev_watcher_init (&sigev, sigcb);
358 siginit (); 576 siginit ();
577
578#ifndef WIN32
579 ev_signal_init (&childev, childcb, SIGCHLD);
580 ev_signal_start (&childev);
581#endif
582 }
359 } 583 }
360 584
361 return ev_method; 585 return ev_method;
362} 586}
363 587
364/*****************************************************************************/ 588/*****************************************************************************/
365 589
366void ev_prefork (void) 590void
591ev_fork_prepare (void)
367{ 592{
368 /* nop */ 593 /* nop */
369} 594}
370 595
596void
371void ev_postfork_parent (void) 597ev_fork_parent (void)
372{ 598{
373 /* nop */ 599 /* nop */
374} 600}
375 601
602void
376void ev_postfork_child (void) 603ev_fork_child (void)
377{ 604{
378#if HAVE_EPOLL 605#if EV_USE_EPOLL
379 if (ev_method == EVMETHOD_EPOLL) 606 if (ev_method == EVMETHOD_EPOLL)
380 epoll_postfork_child (); 607 epoll_postfork_child ();
381#endif 608#endif
382 609
383 evio_stop (&sigev); 610 ev_io_stop (&sigev);
384 close (sigpipe [0]); 611 close (sigpipe [0]);
385 close (sigpipe [1]); 612 close (sigpipe [1]);
386 pipe (sigpipe); 613 pipe (sigpipe);
387 siginit (); 614 siginit ();
388} 615}
389 616
390/*****************************************************************************/ 617/*****************************************************************************/
391 618
392static void 619static void
393fd_reify (void) 620call_pending (void)
394{ 621{
395 int i; 622 int pri;
396 623
397 for (i = 0; i < fdchangecnt; ++i) 624 for (pri = NUMPRI; pri--; )
398 { 625 while (pendingcnt [pri])
399 int fd = fdchanges [i];
400 ANFD *anfd = anfds + fd;
401 struct ev_io *w;
402
403 int wev = 0;
404
405 for (w = anfd->head; w; w = w->next)
406 wev |= w->events;
407
408 if (anfd->wev != wev)
409 { 626 {
410 method_modify (fd, anfd->wev, wev); 627 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
411 anfd->wev = wev;
412 }
413 }
414 628
415 fdchangecnt = 0;
416}
417
418static void
419call_pending ()
420{
421 int i;
422
423 for (i = 0; i < pendingcnt; ++i)
424 {
425 ANPENDING *p = pendings + i;
426
427 if (p->w) 629 if (p->w)
428 { 630 {
429 p->w->pending = 0; 631 p->w->pending = 0;
430 p->w->cb (p->w, p->events); 632 p->w->cb (p->w, p->events);
431 } 633 }
432 } 634 }
433
434 pendingcnt = 0;
435} 635}
436 636
437static void 637static void
438timers_reify () 638timers_reify (void)
439{ 639{
440 while (timercnt && timers [0]->at <= now) 640 while (timercnt && timers [0]->at <= now)
441 { 641 {
442 struct ev_timer *w = timers [0]; 642 struct ev_timer *w = timers [0];
443
444 event ((W)w, EV_TIMEOUT);
445 643
446 /* first reschedule or stop timer */ 644 /* first reschedule or stop timer */
447 if (w->repeat) 645 if (w->repeat)
448 { 646 {
647 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
449 w->at = now + w->repeat; 648 w->at = now + w->repeat;
450 assert (("timer timeout in the past, negative repeat?", w->at > now));
451 downheap ((WT *)timers, timercnt, 0); 649 downheap ((WT *)timers, timercnt, 0);
452 } 650 }
453 else 651 else
454 evtimer_stop (w); /* nonrepeating: stop timer */ 652 ev_timer_stop (w); /* nonrepeating: stop timer */
455 }
456}
457 653
654 event ((W)w, EV_TIMEOUT);
655 }
656}
657
458static void 658static void
459periodics_reify () 659periodics_reify (void)
460{ 660{
461 while (periodiccnt && periodics [0]->at <= ev_now) 661 while (periodiccnt && periodics [0]->at <= ev_now)
462 { 662 {
463 struct ev_periodic *w = periodics [0]; 663 struct ev_periodic *w = periodics [0];
464 664
465 /* first reschedule or stop timer */ 665 /* first reschedule or stop timer */
466 if (w->interval) 666 if (w->interval)
467 { 667 {
468 w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; 668 w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;
469 assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); 669 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));
470 downheap ((WT *)periodics, periodiccnt, 0); 670 downheap ((WT *)periodics, periodiccnt, 0);
471 } 671 }
472 else 672 else
473 evperiodic_stop (w); /* nonrepeating: stop timer */ 673 ev_periodic_stop (w); /* nonrepeating: stop timer */
474 674
475 event ((W)w, EV_TIMEOUT); 675 event ((W)w, EV_PERIODIC);
476 } 676 }
477} 677}
478 678
479static void 679static void
480periodics_reschedule (ev_tstamp diff) 680periodics_reschedule (ev_tstamp diff)
… …
490 { 690 {
491 ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; 691 ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;
492 692
493 if (fabs (diff) >= 1e-4) 693 if (fabs (diff) >= 1e-4)
494 { 694 {
495 evperiodic_stop (w); 695 ev_periodic_stop (w);
496 evperiodic_start (w); 696 ev_periodic_start (w);
497 697
498 i = 0; /* restart loop, inefficient, but time jumps should be rare */ 698 i = 0; /* restart loop, inefficient, but time jumps should be rare */
499 } 699 }
500 } 700 }
501 } 701 }
502} 702}
503 703
504static void 704static int
705time_update_monotonic (void)
706{
707 now = get_clock ();
708
709 if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))
710 {
711 ev_now = now + diff;
712 return 0;
713 }
714 else
715 {
716 now_floor = now;
717 ev_now = ev_time ();
718 return 1;
719 }
720}
721
722static void
505time_update () 723time_update (void)
506{ 724{
507 int i; 725 int i;
508 726
509 ev_now = ev_time (); 727#if EV_USE_MONOTONIC
510
511 if (have_monotonic) 728 if (expect_true (have_monotonic))
512 { 729 {
730 if (time_update_monotonic ())
731 {
513 ev_tstamp odiff = diff; 732 ev_tstamp odiff = diff;
514 733
515 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 734 for (i = 4; --i; ) /* loop a few times, before making important decisions */
516 { 735 {
517 now = get_clock ();
518 diff = ev_now - now; 736 diff = ev_now - now;
519 737
520 if (fabs (odiff - diff) < MIN_TIMEJUMP) 738 if (fabs (odiff - diff) < MIN_TIMEJUMP)
521 return; /* all is well */ 739 return; /* all is well */
522 740
523 ev_now = ev_time (); 741 ev_now = ev_time ();
742 now = get_clock ();
743 now_floor = now;
524 } 744 }
525 745
526 periodics_reschedule (diff - odiff); 746 periodics_reschedule (diff - odiff);
527 /* no timer adjustment, as the monotonic clock doesn't jump */ 747 /* no timer adjustment, as the monotonic clock doesn't jump */
748 }
528 } 749 }
529 else 750 else
751#endif
530 { 752 {
753 ev_now = ev_time ();
754
531 if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP) 755 if (expect_false (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
532 { 756 {
533 periodics_reschedule (ev_now - now); 757 periodics_reschedule (ev_now - now);
534 758
535 /* adjust timers. this is easy, as the offset is the same for all */ 759 /* adjust timers. this is easy, as the offset is the same for all */
536 for (i = 0; i < timercnt; ++i) 760 for (i = 0; i < timercnt; ++i)
… …
544int ev_loop_done; 768int ev_loop_done;
545 769
546void ev_loop (int flags) 770void ev_loop (int flags)
547{ 771{
548 double block; 772 double block;
549 ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; 773 ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
550
551 if (checkcnt)
552 {
553 queue_events ((W *)checks, checkcnt, EV_CHECK);
554 call_pending ();
555 }
556 774
557 do 775 do
558 { 776 {
777 /* queue check watchers (and execute them) */
778 if (expect_false (preparecnt))
779 {
780 queue_events ((W *)prepares, preparecnt, EV_PREPARE);
781 call_pending ();
782 }
783
559 /* update fd-related kernel structures */ 784 /* update fd-related kernel structures */
560 fd_reify (); 785 fd_reify ();
561 786
562 /* calculate blocking time */ 787 /* calculate blocking time */
563 788
564 /* we only need this for !monotonic clock, but as we always have timers, we just calculate it every time */ 789 /* we only need this for !monotonic clockor timers, but as we basically
790 always have timers, we just calculate it always */
791#if EV_USE_MONOTONIC
792 if (expect_true (have_monotonic))
793 time_update_monotonic ();
794 else
795#endif
796 {
565 ev_now = ev_time (); 797 ev_now = ev_time ();
798 now = ev_now;
799 }
566 800
567 if (flags & EVLOOP_NONBLOCK || idlecnt) 801 if (flags & EVLOOP_NONBLOCK || idlecnt)
568 block = 0.; 802 block = 0.;
569 else 803 else
570 { 804 {
571 block = MAX_BLOCKTIME; 805 block = MAX_BLOCKTIME;
572 806
573 if (timercnt) 807 if (timercnt)
574 { 808 {
575 ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge; 809 ev_tstamp to = timers [0]->at - now + method_fudge;
576 if (block > to) block = to; 810 if (block > to) block = to;
577 } 811 }
578 812
579 if (periodiccnt) 813 if (periodiccnt)
580 { 814 {
… …
589 823
590 /* update ev_now, do magic */ 824 /* update ev_now, do magic */
591 time_update (); 825 time_update ();
592 826
593 /* queue pending timers and reschedule them */ 827 /* queue pending timers and reschedule them */
828 timers_reify (); /* relative timers called last */
594 periodics_reify (); /* absolute timers first */ 829 periodics_reify (); /* absolute timers called first */
595 timers_reify (); /* relative timers second */
596 830
597 /* queue idle watchers unless io or timers are pending */ 831 /* queue idle watchers unless io or timers are pending */
598 if (!pendingcnt) 832 if (!pendingcnt)
599 queue_events ((W *)idles, idlecnt, EV_IDLE); 833 queue_events ((W *)idles, idlecnt, EV_IDLE);
600 834
601 /* queue check and possibly idle watchers */ 835 /* queue check watchers, to be executed first */
836 if (checkcnt)
602 queue_events ((W *)checks, checkcnt, EV_CHECK); 837 queue_events ((W *)checks, checkcnt, EV_CHECK);
603 838
604 call_pending (); 839 call_pending ();
605 } 840 }
606 while (!ev_loop_done); 841 while (!ev_loop_done);
607 842
… …
632 head = &(*head)->next; 867 head = &(*head)->next;
633 } 868 }
634} 869}
635 870
636static void 871static void
637ev_clear (W w) 872ev_clear_pending (W w)
638{ 873{
639 if (w->pending) 874 if (w->pending)
640 { 875 {
641 pendings [w->pending - 1].w = 0; 876 pendings [ABSPRI (w)][w->pending - 1].w = 0;
642 w->pending = 0; 877 w->pending = 0;
643 } 878 }
644} 879}
645 880
646static void 881static void
647ev_start (W w, int active) 882ev_start (W w, int active)
648{ 883{
884 if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
885 if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
886
649 w->active = active; 887 w->active = active;
650} 888}
651 889
652static void 890static void
653ev_stop (W w) 891ev_stop (W w)
… …
656} 894}
657 895
658/*****************************************************************************/ 896/*****************************************************************************/
659 897
660void 898void
661evio_start (struct ev_io *w) 899ev_io_start (struct ev_io *w)
662{ 900{
901 int fd = w->fd;
902
663 if (ev_is_active (w)) 903 if (ev_is_active (w))
664 return; 904 return;
665 905
666 int fd = w->fd; 906 assert (("ev_io_start called with negative fd", fd >= 0));
667 907
668 ev_start ((W)w, 1); 908 ev_start ((W)w, 1);
669 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 909 array_needsize (anfds, anfdmax, fd + 1, anfds_init);
670 wlist_add ((WL *)&anfds[fd].head, (WL)w); 910 wlist_add ((WL *)&anfds[fd].head, (WL)w);
671 911
672 ++fdchangecnt; 912 fd_change (fd);
673 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
674 fdchanges [fdchangecnt - 1] = fd;
675} 913}
676 914
677void 915void
678evio_stop (struct ev_io *w) 916ev_io_stop (struct ev_io *w)
679{ 917{
680 ev_clear ((W)w); 918 ev_clear_pending ((W)w);
681 if (!ev_is_active (w)) 919 if (!ev_is_active (w))
682 return; 920 return;
683 921
684 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 922 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
685 ev_stop ((W)w); 923 ev_stop ((W)w);
686 924
687 ++fdchangecnt; 925 fd_change (w->fd);
688 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
689 fdchanges [fdchangecnt - 1] = w->fd;
690} 926}
691 927
692void 928void
693evtimer_start (struct ev_timer *w) 929ev_timer_start (struct ev_timer *w)
694{ 930{
695 if (ev_is_active (w)) 931 if (ev_is_active (w))
696 return; 932 return;
697 933
698 w->at += now; 934 w->at += now;
699 935
700 assert (("timer repeat value less than zero not allowed", w->repeat >= 0.)); 936 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
701 937
702 ev_start ((W)w, ++timercnt); 938 ev_start ((W)w, ++timercnt);
703 array_needsize (timers, timermax, timercnt, ); 939 array_needsize (timers, timermax, timercnt, );
704 timers [timercnt - 1] = w; 940 timers [timercnt - 1] = w;
705 upheap ((WT *)timers, timercnt - 1); 941 upheap ((WT *)timers, timercnt - 1);
706} 942}
707 943
708void 944void
709evtimer_stop (struct ev_timer *w) 945ev_timer_stop (struct ev_timer *w)
710{ 946{
711 ev_clear ((W)w); 947 ev_clear_pending ((W)w);
712 if (!ev_is_active (w)) 948 if (!ev_is_active (w))
713 return; 949 return;
714 950
715 if (w->active < timercnt--) 951 if (w->active < timercnt--)
716 { 952 {
… …
722 958
723 ev_stop ((W)w); 959 ev_stop ((W)w);
724} 960}
725 961
726void 962void
727evtimer_again (struct ev_timer *w) 963ev_timer_again (struct ev_timer *w)
728{ 964{
729 if (ev_is_active (w)) 965 if (ev_is_active (w))
730 { 966 {
731 if (w->repeat) 967 if (w->repeat)
732 { 968 {
733 w->at = now + w->repeat; 969 w->at = now + w->repeat;
734 downheap ((WT *)timers, timercnt, w->active - 1); 970 downheap ((WT *)timers, timercnt, w->active - 1);
735 } 971 }
736 else 972 else
737 evtimer_stop (w); 973 ev_timer_stop (w);
738 } 974 }
739 else if (w->repeat) 975 else if (w->repeat)
740 evtimer_start (w); 976 ev_timer_start (w);
741} 977}
742 978
743void 979void
744evperiodic_start (struct ev_periodic *w) 980ev_periodic_start (struct ev_periodic *w)
745{ 981{
746 if (ev_is_active (w)) 982 if (ev_is_active (w))
747 return; 983 return;
748 984
749 assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); 985 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
750 986
751 /* this formula differs from the one in periodic_reify because we do not always round up */ 987 /* this formula differs from the one in periodic_reify because we do not always round up */
752 if (w->interval) 988 if (w->interval)
753 w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; 989 w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;
754 990
… …
757 periodics [periodiccnt - 1] = w; 993 periodics [periodiccnt - 1] = w;
758 upheap ((WT *)periodics, periodiccnt - 1); 994 upheap ((WT *)periodics, periodiccnt - 1);
759} 995}
760 996
761void 997void
762evperiodic_stop (struct ev_periodic *w) 998ev_periodic_stop (struct ev_periodic *w)
763{ 999{
764 ev_clear ((W)w); 1000 ev_clear_pending ((W)w);
765 if (!ev_is_active (w)) 1001 if (!ev_is_active (w))
766 return; 1002 return;
767 1003
768 if (w->active < periodiccnt--) 1004 if (w->active < periodiccnt--)
769 { 1005 {
… …
773 1009
774 ev_stop ((W)w); 1010 ev_stop ((W)w);
775} 1011}
776 1012
777void 1013void
778evsignal_start (struct ev_signal *w) 1014ev_signal_start (struct ev_signal *w)
779{ 1015{
780 if (ev_is_active (w)) 1016 if (ev_is_active (w))
781 return; 1017 return;
1018
1019 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
782 1020
783 ev_start ((W)w, 1); 1021 ev_start ((W)w, 1);
784 array_needsize (signals, signalmax, w->signum, signals_init); 1022 array_needsize (signals, signalmax, w->signum, signals_init);
785 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1023 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
786 1024
… …
793 sigaction (w->signum, &sa, 0); 1031 sigaction (w->signum, &sa, 0);
794 } 1032 }
795} 1033}
796 1034
797void 1035void
798evsignal_stop (struct ev_signal *w) 1036ev_signal_stop (struct ev_signal *w)
799{ 1037{
800 ev_clear ((W)w); 1038 ev_clear_pending ((W)w);
801 if (!ev_is_active (w)) 1039 if (!ev_is_active (w))
802 return; 1040 return;
803 1041
804 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1042 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
805 ev_stop ((W)w); 1043 ev_stop ((W)w);
806 1044
807 if (!signals [w->signum - 1].head) 1045 if (!signals [w->signum - 1].head)
808 signal (w->signum, SIG_DFL); 1046 signal (w->signum, SIG_DFL);
809} 1047}
810 1048
1049void
811void evidle_start (struct ev_idle *w) 1050ev_idle_start (struct ev_idle *w)
812{ 1051{
813 if (ev_is_active (w)) 1052 if (ev_is_active (w))
814 return; 1053 return;
815 1054
816 ev_start ((W)w, ++idlecnt); 1055 ev_start ((W)w, ++idlecnt);
817 array_needsize (idles, idlemax, idlecnt, ); 1056 array_needsize (idles, idlemax, idlecnt, );
818 idles [idlecnt - 1] = w; 1057 idles [idlecnt - 1] = w;
819} 1058}
820 1059
1060void
821void evidle_stop (struct ev_idle *w) 1061ev_idle_stop (struct ev_idle *w)
822{ 1062{
823 ev_clear ((W)w); 1063 ev_clear_pending ((W)w);
824 if (ev_is_active (w)) 1064 if (ev_is_active (w))
825 return; 1065 return;
826 1066
827 idles [w->active - 1] = idles [--idlecnt]; 1067 idles [w->active - 1] = idles [--idlecnt];
828 ev_stop ((W)w); 1068 ev_stop ((W)w);
829} 1069}
830 1070
1071void
1072ev_prepare_start (struct ev_prepare *w)
1073{
1074 if (ev_is_active (w))
1075 return;
1076
1077 ev_start ((W)w, ++preparecnt);
1078 array_needsize (prepares, preparemax, preparecnt, );
1079 prepares [preparecnt - 1] = w;
1080}
1081
1082void
1083ev_prepare_stop (struct ev_prepare *w)
1084{
1085 ev_clear_pending ((W)w);
1086 if (ev_is_active (w))
1087 return;
1088
1089 prepares [w->active - 1] = prepares [--preparecnt];
1090 ev_stop ((W)w);
1091}
1092
1093void
831void evcheck_start (struct ev_check *w) 1094ev_check_start (struct ev_check *w)
832{ 1095{
833 if (ev_is_active (w)) 1096 if (ev_is_active (w))
834 return; 1097 return;
835 1098
836 ev_start ((W)w, ++checkcnt); 1099 ev_start ((W)w, ++checkcnt);
837 array_needsize (checks, checkmax, checkcnt, ); 1100 array_needsize (checks, checkmax, checkcnt, );
838 checks [checkcnt - 1] = w; 1101 checks [checkcnt - 1] = w;
839} 1102}
840 1103
1104void
841void evcheck_stop (struct ev_check *w) 1105ev_check_stop (struct ev_check *w)
842{ 1106{
843 ev_clear ((W)w); 1107 ev_clear_pending ((W)w);
844 if (ev_is_active (w)) 1108 if (ev_is_active (w))
845 return; 1109 return;
846 1110
847 checks [w->active - 1] = checks [--checkcnt]; 1111 checks [w->active - 1] = checks [--checkcnt];
1112 ev_stop ((W)w);
1113}
1114
1115void
1116ev_child_start (struct ev_child *w)
1117{
1118 if (ev_is_active (w))
1119 return;
1120
1121 ev_start ((W)w, 1);
1122 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1123}
1124
1125void
1126ev_child_stop (struct ev_child *w)
1127{
1128 ev_clear_pending ((W)w);
1129 if (ev_is_active (w))
1130 return;
1131
1132 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
848 ev_stop ((W)w); 1133 ev_stop ((W)w);
849} 1134}
850 1135
851/*****************************************************************************/ 1136/*****************************************************************************/
852 1137
… …
862once_cb (struct ev_once *once, int revents) 1147once_cb (struct ev_once *once, int revents)
863{ 1148{
864 void (*cb)(int revents, void *arg) = once->cb; 1149 void (*cb)(int revents, void *arg) = once->cb;
865 void *arg = once->arg; 1150 void *arg = once->arg;
866 1151
867 evio_stop (&once->io); 1152 ev_io_stop (&once->io);
868 evtimer_stop (&once->to); 1153 ev_timer_stop (&once->to);
869 free (once); 1154 free (once);
870 1155
871 cb (revents, arg); 1156 cb (revents, arg);
872} 1157}
873 1158
… …
887ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1172ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
888{ 1173{
889 struct ev_once *once = malloc (sizeof (struct ev_once)); 1174 struct ev_once *once = malloc (sizeof (struct ev_once));
890 1175
891 if (!once) 1176 if (!once)
892 cb (EV_ERROR, arg); 1177 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
893 else 1178 else
894 { 1179 {
895 once->cb = cb; 1180 once->cb = cb;
896 once->arg = arg; 1181 once->arg = arg;
897 1182
898 evw_init (&once->io, once_cb_io); 1183 ev_watcher_init (&once->io, once_cb_io);
899
900 if (fd >= 0) 1184 if (fd >= 0)
901 { 1185 {
902 evio_set (&once->io, fd, events); 1186 ev_io_set (&once->io, fd, events);
903 evio_start (&once->io); 1187 ev_io_start (&once->io);
904 } 1188 }
905 1189
906 evw_init (&once->to, once_cb_to); 1190 ev_watcher_init (&once->to, once_cb_to);
907
908 if (timeout >= 0.) 1191 if (timeout >= 0.)
909 { 1192 {
910 evtimer_set (&once->to, timeout, 0.); 1193 ev_timer_set (&once->to, timeout, 0.);
911 evtimer_start (&once->to); 1194 ev_timer_start (&once->to);
912 } 1195 }
913 } 1196 }
914} 1197}
915 1198
916/*****************************************************************************/ 1199/*****************************************************************************/
… …
927 1210
928static void 1211static void
929ocb (struct ev_timer *w, int revents) 1212ocb (struct ev_timer *w, int revents)
930{ 1213{
931 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); 1214 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
932 evtimer_stop (w); 1215 ev_timer_stop (w);
933 evtimer_start (w); 1216 ev_timer_start (w);
934} 1217}
935 1218
936static void 1219static void
937scb (struct ev_signal *w, int revents) 1220scb (struct ev_signal *w, int revents)
938{ 1221{
939 fprintf (stderr, "signal %x,%d\n", revents, w->signum); 1222 fprintf (stderr, "signal %x,%d\n", revents, w->signum);
940 evio_stop (&wio); 1223 ev_io_stop (&wio);
941 evio_start (&wio); 1224 ev_io_start (&wio);
942} 1225}
943 1226
944static void 1227static void
945gcb (struct ev_signal *w, int revents) 1228gcb (struct ev_signal *w, int revents)
946{ 1229{
… …
950 1233
951int main (void) 1234int main (void)
952{ 1235{
953 ev_init (0); 1236 ev_init (0);
954 1237
955 evio_init (&wio, sin_cb, 0, EV_READ); 1238 ev_io_init (&wio, sin_cb, 0, EV_READ);
956 evio_start (&wio); 1239 ev_io_start (&wio);
957 1240
958 struct ev_timer t[10000]; 1241 struct ev_timer t[10000];
959 1242
960#if 0 1243#if 0
961 int i; 1244 int i;
962 for (i = 0; i < 10000; ++i) 1245 for (i = 0; i < 10000; ++i)
963 { 1246 {
964 struct ev_timer *w = t + i; 1247 struct ev_timer *w = t + i;
965 evw_init (w, ocb, i); 1248 ev_watcher_init (w, ocb, i);
966 evtimer_init_abs (w, ocb, drand48 (), 0.99775533); 1249 ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
967 evtimer_start (w); 1250 ev_timer_start (w);
968 if (drand48 () < 0.5) 1251 if (drand48 () < 0.5)
969 evtimer_stop (w); 1252 ev_timer_stop (w);
970 } 1253 }
971#endif 1254#endif
972 1255
973 struct ev_timer t1; 1256 struct ev_timer t1;
974 evtimer_init (&t1, ocb, 5, 10); 1257 ev_timer_init (&t1, ocb, 5, 10);
975 evtimer_start (&t1); 1258 ev_timer_start (&t1);
976 1259
977 struct ev_signal sig; 1260 struct ev_signal sig;
978 evsignal_init (&sig, scb, SIGQUIT); 1261 ev_signal_init (&sig, scb, SIGQUIT);
979 evsignal_start (&sig); 1262 ev_signal_start (&sig);
980 1263
981 struct ev_check cw; 1264 struct ev_check cw;
982 evcheck_init (&cw, gcb); 1265 ev_check_init (&cw, gcb);
983 evcheck_start (&cw); 1266 ev_check_start (&cw);
984 1267
985 struct ev_idle iw; 1268 struct ev_idle iw;
986 evidle_init (&iw, gcb); 1269 ev_idle_init (&iw, gcb);
987 evidle_start (&iw); 1270 ev_idle_start (&iw);
988 1271
989 ev_loop (0); 1272 ev_loop (0);
990 1273
991 return 0; 1274 return 0;
992} 1275}

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