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Comparing libev/ev.c (file contents):
Revision 1.22 by root, Wed Oct 31 19:07:43 2007 UTC vs.
Revision 1.45 by root, Sat Nov 3 09:19:58 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>
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>
41#include <sys/types.h> 46#include <sys/types.h>
47#ifndef WIN32
42#include <sys/wait.h> 48# include <sys/wait.h>
49#endif
43#include <sys/time.h> 50#include <sys/time.h>
44#include <time.h> 51#include <time.h>
45 52
53/**/
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) */
66#define PID_HASHSIZE 16 /* size of pid hahs table, must be power of two */ 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 */
67 97
68#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)
69 113
70typedef struct ev_watcher *W; 114typedef struct ev_watcher *W;
71typedef struct ev_watcher_list *WL; 115typedef struct ev_watcher_list *WL;
72typedef struct ev_watcher_time *WT; 116typedef struct ev_watcher_time *WT;
73 117
74static ev_tstamp now, diff; /* monotonic clock */ 118static ev_tstamp now_floor, now, diff; /* monotonic clock */
75ev_tstamp ev_now; 119ev_tstamp ev_now;
76int ev_method; 120int ev_method;
77 121
78static int have_monotonic; /* runtime */ 122static int have_monotonic; /* runtime */
79 123
84/*****************************************************************************/ 128/*****************************************************************************/
85 129
86ev_tstamp 130ev_tstamp
87ev_time (void) 131ev_time (void)
88{ 132{
89#if HAVE_REALTIME 133#if EV_USE_REALTIME
90 struct timespec ts; 134 struct timespec ts;
91 clock_gettime (CLOCK_REALTIME, &ts); 135 clock_gettime (CLOCK_REALTIME, &ts);
92 return ts.tv_sec + ts.tv_nsec * 1e-9; 136 return ts.tv_sec + ts.tv_nsec * 1e-9;
93#else 137#else
94 struct timeval tv; 138 struct timeval tv;
98} 142}
99 143
100static ev_tstamp 144static ev_tstamp
101get_clock (void) 145get_clock (void)
102{ 146{
103#if HAVE_MONOTONIC 147#if EV_USE_MONOTONIC
104 if (have_monotonic) 148 if (expect_true (have_monotonic))
105 { 149 {
106 struct timespec ts; 150 struct timespec ts;
107 clock_gettime (CLOCK_MONOTONIC, &ts); 151 clock_gettime (CLOCK_MONOTONIC, &ts);
108 return ts.tv_sec + ts.tv_nsec * 1e-9; 152 return ts.tv_sec + ts.tv_nsec * 1e-9;
109 } 153 }
110#endif 154#endif
111 155
112 return ev_time (); 156 return ev_time ();
113} 157}
114 158
159#define array_roundsize(base,n) ((n) | 4 & ~3)
160
115#define array_needsize(base,cur,cnt,init) \ 161#define array_needsize(base,cur,cnt,init) \
116 if ((cnt) > cur) \ 162 if (expect_false ((cnt) > cur)) \
117 { \ 163 { \
118 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 \
119 base = realloc (base, sizeof (*base) * (newcnt)); \ 171 base = realloc (base, sizeof (*base) * (newcnt)); \
120 init (base + cur, newcnt - cur); \ 172 init (base + cur, newcnt - cur); \
121 cur = newcnt; \ 173 cur = newcnt; \
122 } 174 }
123 175
124/*****************************************************************************/ 176/*****************************************************************************/
125 177
126typedef struct 178typedef struct
127{ 179{
128 struct ev_io *head; 180 struct ev_io *head;
129 unsigned char wev, rev; /* want, received event set */ 181 unsigned char events;
182 unsigned char reify;
130} ANFD; 183} ANFD;
131 184
132static ANFD *anfds; 185static ANFD *anfds;
133static int anfdmax; 186static int anfdmax;
134 187
135static int *fdchanges;
136static int fdchangemax, fdchangecnt;
137
138static void 188static void
139anfds_init (ANFD *base, int count) 189anfds_init (ANFD *base, int count)
140{ 190{
141 while (count--) 191 while (count--)
142 { 192 {
143 base->head = 0; 193 base->head = 0;
144 base->wev = base->rev = EV_NONE; 194 base->events = EV_NONE;
195 base->reify = 0;
196
145 ++base; 197 ++base;
146 } 198 }
147} 199}
148 200
149typedef struct 201typedef struct
150{ 202{
151 W w; 203 W w;
152 int events; 204 int events;
153} ANPENDING; 205} ANPENDING;
154 206
155static ANPENDING *pendings; 207static ANPENDING *pendings [NUMPRI];
156static int pendingmax, pendingcnt; 208static int pendingmax [NUMPRI], pendingcnt [NUMPRI];
157 209
158static void 210static void
159event (W w, int events) 211event (W w, int events)
160{ 212{
161 if (w->active) 213 if (w->pending)
162 { 214 {
163 w->pending = ++pendingcnt;
164 array_needsize (pendings, pendingmax, pendingcnt, );
165 pendings [pendingcnt - 1].w = w;
166 pendings [pendingcnt - 1].events = events; 215 pendings [ABSPRI (w)][w->pending - 1].events |= events;
216 return;
167 } 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);
168} 232}
169 233
170static void 234static void
171fd_event (int fd, int events) 235fd_event (int fd, int events)
172{ 236{
180 if (ev) 244 if (ev)
181 event ((W)w, ev); 245 event ((W)w, ev);
182 } 246 }
183} 247}
184 248
249/*****************************************************************************/
250
251static int *fdchanges;
252static int fdchangemax, fdchangecnt;
253
185static void 254static void
186queue_events (W *events, int eventcnt, int type) 255fd_reify (void)
187{ 256{
188 int i; 257 int i;
189 258
190 for (i = 0; i < eventcnt; ++i) 259 for (i = 0; i < fdchangecnt; ++i)
191 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 }
192} 306}
193 307
194/* called on EBADF to verify fds */ 308/* called on EBADF to verify fds */
195static void 309static void
196fd_recheck () 310fd_ebadf (void)
197{ 311{
198 int fd; 312 int fd;
199 313
200 for (fd = 0; fd < anfdmax; ++fd) 314 for (fd = 0; fd < anfdmax; ++fd)
201 if (anfds [fd].wev) 315 if (anfds [fd].events)
202 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) 316 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF)
203 while (anfds [fd].head) 317 fd_kill (fd);
204 evio_stop (anfds [fd].head); 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 }
205} 333}
206 334
207/*****************************************************************************/ 335/*****************************************************************************/
208 336
209static struct ev_timer **timers; 337static struct ev_timer **timers;
256/*****************************************************************************/ 384/*****************************************************************************/
257 385
258typedef struct 386typedef struct
259{ 387{
260 struct ev_signal *head; 388 struct ev_signal *head;
261 sig_atomic_t gotsig; 389 sig_atomic_t volatile gotsig;
262} ANSIG; 390} ANSIG;
263 391
264static ANSIG *signals; 392static ANSIG *signals;
265static int signalmax; 393static int signalmax;
266 394
267static int sigpipe [2]; 395static int sigpipe [2];
268static sig_atomic_t gotsig; 396static sig_atomic_t volatile gotsig;
269static struct ev_io sigev; 397static struct ev_io sigev;
270 398
271static void 399static void
272signals_init (ANSIG *base, int count) 400signals_init (ANSIG *base, int count)
273{ 401{
274 while (count--) 402 while (count--)
275 { 403 {
276 base->head = 0; 404 base->head = 0;
277 base->gotsig = 0; 405 base->gotsig = 0;
406
278 ++base; 407 ++base;
279 } 408 }
280} 409}
281 410
282static void 411static void
285 signals [signum - 1].gotsig = 1; 414 signals [signum - 1].gotsig = 1;
286 415
287 if (!gotsig) 416 if (!gotsig)
288 { 417 {
289 gotsig = 1; 418 gotsig = 1;
290 write (sigpipe [1], &gotsig, 1); 419 write (sigpipe [1], &signum, 1);
291 } 420 }
292} 421}
293 422
294static void 423static void
295sigcb (struct ev_io *iow, int revents) 424sigcb (struct ev_io *iow, int revents)
296{ 425{
297 struct ev_signal *w; 426 struct ev_signal *w;
298 int sig; 427 int signum;
299 428
429 read (sigpipe [0], &revents, 1);
300 gotsig = 0; 430 gotsig = 0;
301 read (sigpipe [0], &revents, 1);
302 431
303 for (sig = signalmax; sig--; ) 432 for (signum = signalmax; signum--; )
304 if (signals [sig].gotsig) 433 if (signals [signum].gotsig)
305 { 434 {
306 signals [sig].gotsig = 0; 435 signals [signum].gotsig = 0;
307 436
308 for (w = signals [sig].head; w; w = w->next) 437 for (w = signals [signum].head; w; w = w->next)
309 event ((W)w, EV_SIGNAL); 438 event ((W)w, EV_SIGNAL);
310 } 439 }
311} 440}
312 441
313static void 442static void
314siginit (void) 443siginit (void)
315{ 444{
445#ifndef WIN32
316 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 446 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
317 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); 447 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
318 448
319 /* rather than sort out wether we really need nb, set it */ 449 /* rather than sort out wether we really need nb, set it */
320 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); 450 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
321 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); 451 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
452#endif
322 453
323 evio_set (&sigev, sigpipe [0], EV_READ); 454 ev_io_set (&sigev, sigpipe [0], EV_READ);
324 evio_start (&sigev); 455 ev_io_start (&sigev);
325} 456}
326 457
327/*****************************************************************************/ 458/*****************************************************************************/
328 459
329static struct ev_idle **idles; 460static struct ev_idle **idles;
338/*****************************************************************************/ 469/*****************************************************************************/
339 470
340static struct ev_child *childs [PID_HASHSIZE]; 471static struct ev_child *childs [PID_HASHSIZE];
341static struct ev_signal childev; 472static struct ev_signal childev;
342 473
474#ifndef WIN32
475
343#ifndef WCONTINUED 476#ifndef WCONTINUED
344# define WCONTINUED 0 477# define WCONTINUED 0
345#endif 478#endif
346 479
347static void 480static void
350 struct ev_child *w; 483 struct ev_child *w;
351 int pid, status; 484 int pid, status;
352 485
353 while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1) 486 while ((pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)) != -1)
354 for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next) 487 for (w = childs [pid & (PID_HASHSIZE - 1)]; w; w = w->next)
355 if (w->pid == pid || w->pid == -1) 488 if (w->pid == pid || !w->pid)
356 { 489 {
357 w->status = status; 490 w->status = status;
358 event ((W)w, EV_CHILD); 491 event ((W)w, EV_CHILD);
359 } 492 }
360} 493}
361 494
362/*****************************************************************************/ 495#endif
363 496
497/*****************************************************************************/
498
499#if EV_USE_KQUEUE
500# include "ev_kqueue.c"
501#endif
364#if HAVE_EPOLL 502#if EV_USE_EPOLL
365# include "ev_epoll.c" 503# include "ev_epoll.c"
366#endif 504#endif
505#if EV_USE_POLL
506# include "ev_poll.c"
507#endif
367#if HAVE_SELECT 508#if EV_USE_SELECT
368# include "ev_select.c" 509# include "ev_select.c"
369#endif 510#endif
370 511
512int
513ev_version_major (void)
514{
515 return EV_VERSION_MAJOR;
516}
517
518int
519ev_version_minor (void)
520{
521 return EV_VERSION_MINOR;
522}
523
524/* return true if we are running with elevated privileges and ignore env variables */
525static int
526enable_secure ()
527{
528 return getuid () != geteuid ()
529 || getgid () != getegid ();
530}
531
371int ev_init (int flags) 532int ev_init (int methods)
372{ 533{
373#if HAVE_MONOTONIC
374 {
375 struct timespec ts;
376 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
377 have_monotonic = 1;
378 }
379#endif
380
381 ev_now = ev_time ();
382 now = get_clock ();
383 diff = ev_now - now;
384
385 if (pipe (sigpipe))
386 return 0;
387
388 ev_method = EVMETHOD_NONE;
389#if HAVE_EPOLL
390 if (ev_method == EVMETHOD_NONE) epoll_init (flags);
391#endif
392#if HAVE_SELECT
393 if (ev_method == EVMETHOD_NONE) select_init (flags);
394#endif
395
396 if (ev_method) 534 if (!ev_method)
535 {
536#if EV_USE_MONOTONIC
397 { 537 {
538 struct timespec ts;
539 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
540 have_monotonic = 1;
541 }
542#endif
543
544 ev_now = ev_time ();
545 now = get_clock ();
546 now_floor = now;
547 diff = ev_now - now;
548
549 if (pipe (sigpipe))
550 return 0;
551
552 if (methods == EVMETHOD_AUTO)
553 if (!enable_secure () && getenv ("LIBEV_METHODS"))
554 methods = atoi (getenv ("LIBEV_METHODS"));
555 else
556 methods = EVMETHOD_ANY;
557
558 ev_method = 0;
559#if EV_USE_KQUEUE
560 if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods);
561#endif
562#if EV_USE_EPOLL
563 if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods);
564#endif
565#if EV_USE_POLL
566 if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods);
567#endif
568#if EV_USE_SELECT
569 if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods);
570#endif
571
572 if (ev_method)
573 {
398 evw_init (&sigev, sigcb); 574 ev_watcher_init (&sigev, sigcb);
399 siginit (); 575 siginit ();
400 576
577#ifndef WIN32
401 evsignal_init (&childev, childcb, SIGCHLD); 578 ev_signal_init (&childev, childcb, SIGCHLD);
402 evsignal_start (&childev); 579 ev_signal_start (&childev);
580#endif
581 }
403 } 582 }
404 583
405 return ev_method; 584 return ev_method;
406} 585}
407 586
408/*****************************************************************************/ 587/*****************************************************************************/
409 588
410void ev_prefork (void) 589void
590ev_fork_prepare (void)
411{ 591{
412 /* nop */ 592 /* nop */
413} 593}
414 594
595void
415void ev_postfork_parent (void) 596ev_fork_parent (void)
416{ 597{
417 /* nop */ 598 /* nop */
418} 599}
419 600
601void
420void ev_postfork_child (void) 602ev_fork_child (void)
421{ 603{
422#if HAVE_EPOLL 604#if EV_USE_EPOLL
423 if (ev_method == EVMETHOD_EPOLL) 605 if (ev_method == EVMETHOD_EPOLL)
424 epoll_postfork_child (); 606 epoll_postfork_child ();
425#endif 607#endif
426 608
427 evio_stop (&sigev); 609 ev_io_stop (&sigev);
428 close (sigpipe [0]); 610 close (sigpipe [0]);
429 close (sigpipe [1]); 611 close (sigpipe [1]);
430 pipe (sigpipe); 612 pipe (sigpipe);
431 siginit (); 613 siginit ();
432} 614}
433 615
434/*****************************************************************************/ 616/*****************************************************************************/
435 617
436static void 618static void
437fd_reify (void) 619call_pending (void)
438{ 620{
439 int i; 621 int pri;
440 622
441 for (i = 0; i < fdchangecnt; ++i) 623 for (pri = NUMPRI; pri--; )
442 { 624 while (pendingcnt [pri])
443 int fd = fdchanges [i];
444 ANFD *anfd = anfds + fd;
445 struct ev_io *w;
446
447 int wev = 0;
448
449 for (w = anfd->head; w; w = w->next)
450 wev |= w->events;
451
452 if (anfd->wev != wev)
453 { 625 {
454 method_modify (fd, anfd->wev, wev);
455 anfd->wev = wev;
456 }
457 }
458
459 fdchangecnt = 0;
460}
461
462static void
463call_pending ()
464{
465 while (pendingcnt)
466 {
467 ANPENDING *p = pendings + --pendingcnt; 626 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
468 627
469 if (p->w) 628 if (p->w)
470 { 629 {
471 p->w->pending = 0; 630 p->w->pending = 0;
472 p->w->cb (p->w, p->events); 631 p->w->cb (p->w, p->events);
473 } 632 }
474 } 633 }
475} 634}
476 635
477static void 636static void
478timers_reify () 637timers_reify (void)
479{ 638{
480 while (timercnt && timers [0]->at <= now) 639 while (timercnt && timers [0]->at <= now)
481 { 640 {
482 struct ev_timer *w = timers [0]; 641 struct ev_timer *w = timers [0];
483
484 event ((W)w, EV_TIMEOUT);
485 642
486 /* first reschedule or stop timer */ 643 /* first reschedule or stop timer */
487 if (w->repeat) 644 if (w->repeat)
488 { 645 {
646 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
489 w->at = now + w->repeat; 647 w->at = now + w->repeat;
490 assert (("timer timeout in the past, negative repeat?", w->at > now));
491 downheap ((WT *)timers, timercnt, 0); 648 downheap ((WT *)timers, timercnt, 0);
492 } 649 }
493 else 650 else
494 evtimer_stop (w); /* nonrepeating: stop timer */ 651 ev_timer_stop (w); /* nonrepeating: stop timer */
495 }
496}
497 652
653 event ((W)w, EV_TIMEOUT);
654 }
655}
656
498static void 657static void
499periodics_reify () 658periodics_reify (void)
500{ 659{
501 while (periodiccnt && periodics [0]->at <= ev_now) 660 while (periodiccnt && periodics [0]->at <= ev_now)
502 { 661 {
503 struct ev_periodic *w = periodics [0]; 662 struct ev_periodic *w = periodics [0];
504 663
505 /* first reschedule or stop timer */ 664 /* first reschedule or stop timer */
506 if (w->interval) 665 if (w->interval)
507 { 666 {
508 w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; 667 w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;
509 assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); 668 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));
510 downheap ((WT *)periodics, periodiccnt, 0); 669 downheap ((WT *)periodics, periodiccnt, 0);
511 } 670 }
512 else 671 else
513 evperiodic_stop (w); /* nonrepeating: stop timer */ 672 ev_periodic_stop (w); /* nonrepeating: stop timer */
514 673
515 event ((W)w, EV_TIMEOUT); 674 event ((W)w, EV_PERIODIC);
516 } 675 }
517} 676}
518 677
519static void 678static void
520periodics_reschedule (ev_tstamp diff) 679periodics_reschedule (ev_tstamp diff)
530 { 689 {
531 ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; 690 ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval;
532 691
533 if (fabs (diff) >= 1e-4) 692 if (fabs (diff) >= 1e-4)
534 { 693 {
535 evperiodic_stop (w); 694 ev_periodic_stop (w);
536 evperiodic_start (w); 695 ev_periodic_start (w);
537 696
538 i = 0; /* restart loop, inefficient, but time jumps should be rare */ 697 i = 0; /* restart loop, inefficient, but time jumps should be rare */
539 } 698 }
540 } 699 }
541 } 700 }
542} 701}
543 702
544static void 703static int
704time_update_monotonic (void)
705{
706 now = get_clock ();
707
708 if (expect_true (now - now_floor < MIN_TIMEJUMP * .5))
709 {
710 ev_now = now + diff;
711 return 0;
712 }
713 else
714 {
715 now_floor = now;
716 ev_now = ev_time ();
717 return 1;
718 }
719}
720
721static void
545time_update () 722time_update (void)
546{ 723{
547 int i; 724 int i;
548 725
549 ev_now = ev_time (); 726#if EV_USE_MONOTONIC
550
551 if (have_monotonic) 727 if (expect_true (have_monotonic))
552 { 728 {
729 if (time_update_monotonic ())
730 {
553 ev_tstamp odiff = diff; 731 ev_tstamp odiff = diff;
554 732
555 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 733 for (i = 4; --i; ) /* loop a few times, before making important decisions */
556 { 734 {
557 now = get_clock ();
558 diff = ev_now - now; 735 diff = ev_now - now;
559 736
560 if (fabs (odiff - diff) < MIN_TIMEJUMP) 737 if (fabs (odiff - diff) < MIN_TIMEJUMP)
561 return; /* all is well */ 738 return; /* all is well */
562 739
563 ev_now = ev_time (); 740 ev_now = ev_time ();
741 now = get_clock ();
742 now_floor = now;
564 } 743 }
565 744
566 periodics_reschedule (diff - odiff); 745 periodics_reschedule (diff - odiff);
567 /* no timer adjustment, as the monotonic clock doesn't jump */ 746 /* no timer adjustment, as the monotonic clock doesn't jump */
747 }
568 } 748 }
569 else 749 else
750#endif
570 { 751 {
752 ev_now = ev_time ();
753
571 if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP) 754 if (expect_false (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
572 { 755 {
573 periodics_reschedule (ev_now - now); 756 periodics_reschedule (ev_now - now);
574 757
575 /* adjust timers. this is easy, as the offset is the same for all */ 758 /* adjust timers. this is easy, as the offset is the same for all */
576 for (i = 0; i < timercnt; ++i) 759 for (i = 0; i < timercnt; ++i)
584int ev_loop_done; 767int ev_loop_done;
585 768
586void ev_loop (int flags) 769void ev_loop (int flags)
587{ 770{
588 double block; 771 double block;
589 ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; 772 ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
590 773
591 do 774 do
592 { 775 {
593 /* queue check watchers (and execute them) */ 776 /* queue check watchers (and execute them) */
594 if (preparecnt) 777 if (expect_false (preparecnt))
595 { 778 {
596 queue_events ((W *)prepares, preparecnt, EV_PREPARE); 779 queue_events ((W *)prepares, preparecnt, EV_PREPARE);
597 call_pending (); 780 call_pending ();
598 } 781 }
599 782
602 785
603 /* calculate blocking time */ 786 /* calculate blocking time */
604 787
605 /* we only need this for !monotonic clockor timers, but as we basically 788 /* we only need this for !monotonic clockor timers, but as we basically
606 always have timers, we just calculate it always */ 789 always have timers, we just calculate it always */
790#if EV_USE_MONOTONIC
791 if (expect_true (have_monotonic))
792 time_update_monotonic ();
793 else
794#endif
795 {
607 ev_now = ev_time (); 796 ev_now = ev_time ();
797 now = ev_now;
798 }
608 799
609 if (flags & EVLOOP_NONBLOCK || idlecnt) 800 if (flags & EVLOOP_NONBLOCK || idlecnt)
610 block = 0.; 801 block = 0.;
611 else 802 else
612 { 803 {
613 block = MAX_BLOCKTIME; 804 block = MAX_BLOCKTIME;
614 805
615 if (timercnt) 806 if (timercnt)
616 { 807 {
617 ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge; 808 ev_tstamp to = timers [0]->at - now + method_fudge;
618 if (block > to) block = to; 809 if (block > to) block = to;
619 } 810 }
620 811
621 if (periodiccnt) 812 if (periodiccnt)
622 { 813 {
675 head = &(*head)->next; 866 head = &(*head)->next;
676 } 867 }
677} 868}
678 869
679static void 870static void
680ev_clear (W w) 871ev_clear_pending (W w)
681{ 872{
682 if (w->pending) 873 if (w->pending)
683 { 874 {
684 pendings [w->pending - 1].w = 0; 875 pendings [ABSPRI (w)][w->pending - 1].w = 0;
685 w->pending = 0; 876 w->pending = 0;
686 } 877 }
687} 878}
688 879
689static void 880static void
690ev_start (W w, int active) 881ev_start (W w, int active)
691{ 882{
883 if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
884 if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
885
692 w->active = active; 886 w->active = active;
693} 887}
694 888
695static void 889static void
696ev_stop (W w) 890ev_stop (W w)
699} 893}
700 894
701/*****************************************************************************/ 895/*****************************************************************************/
702 896
703void 897void
704evio_start (struct ev_io *w) 898ev_io_start (struct ev_io *w)
705{ 899{
900 int fd = w->fd;
901
706 if (ev_is_active (w)) 902 if (ev_is_active (w))
707 return; 903 return;
708 904
709 int fd = w->fd; 905 assert (("ev_io_start called with negative fd", fd >= 0));
710 906
711 ev_start ((W)w, 1); 907 ev_start ((W)w, 1);
712 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 908 array_needsize (anfds, anfdmax, fd + 1, anfds_init);
713 wlist_add ((WL *)&anfds[fd].head, (WL)w); 909 wlist_add ((WL *)&anfds[fd].head, (WL)w);
714 910
715 ++fdchangecnt; 911 fd_change (fd);
716 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
717 fdchanges [fdchangecnt - 1] = fd;
718} 912}
719 913
720void 914void
721evio_stop (struct ev_io *w) 915ev_io_stop (struct ev_io *w)
722{ 916{
723 ev_clear ((W)w); 917 ev_clear_pending ((W)w);
724 if (!ev_is_active (w)) 918 if (!ev_is_active (w))
725 return; 919 return;
726 920
727 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 921 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
728 ev_stop ((W)w); 922 ev_stop ((W)w);
729 923
730 ++fdchangecnt; 924 fd_change (w->fd);
731 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
732 fdchanges [fdchangecnt - 1] = w->fd;
733} 925}
734 926
735void 927void
736evtimer_start (struct ev_timer *w) 928ev_timer_start (struct ev_timer *w)
737{ 929{
738 if (ev_is_active (w)) 930 if (ev_is_active (w))
739 return; 931 return;
740 932
741 w->at += now; 933 w->at += now;
742 934
743 assert (("timer repeat value less than zero not allowed", w->repeat >= 0.)); 935 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
744 936
745 ev_start ((W)w, ++timercnt); 937 ev_start ((W)w, ++timercnt);
746 array_needsize (timers, timermax, timercnt, ); 938 array_needsize (timers, timermax, timercnt, );
747 timers [timercnt - 1] = w; 939 timers [timercnt - 1] = w;
748 upheap ((WT *)timers, timercnt - 1); 940 upheap ((WT *)timers, timercnt - 1);
749} 941}
750 942
751void 943void
752evtimer_stop (struct ev_timer *w) 944ev_timer_stop (struct ev_timer *w)
753{ 945{
754 ev_clear ((W)w); 946 ev_clear_pending ((W)w);
755 if (!ev_is_active (w)) 947 if (!ev_is_active (w))
756 return; 948 return;
757 949
758 if (w->active < timercnt--) 950 if (w->active < timercnt--)
759 { 951 {
765 957
766 ev_stop ((W)w); 958 ev_stop ((W)w);
767} 959}
768 960
769void 961void
770evtimer_again (struct ev_timer *w) 962ev_timer_again (struct ev_timer *w)
771{ 963{
772 if (ev_is_active (w)) 964 if (ev_is_active (w))
773 { 965 {
774 if (w->repeat) 966 if (w->repeat)
775 { 967 {
776 w->at = now + w->repeat; 968 w->at = now + w->repeat;
777 downheap ((WT *)timers, timercnt, w->active - 1); 969 downheap ((WT *)timers, timercnt, w->active - 1);
778 } 970 }
779 else 971 else
780 evtimer_stop (w); 972 ev_timer_stop (w);
781 } 973 }
782 else if (w->repeat) 974 else if (w->repeat)
783 evtimer_start (w); 975 ev_timer_start (w);
784} 976}
785 977
786void 978void
787evperiodic_start (struct ev_periodic *w) 979ev_periodic_start (struct ev_periodic *w)
788{ 980{
789 if (ev_is_active (w)) 981 if (ev_is_active (w))
790 return; 982 return;
791 983
792 assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); 984 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
793 985
794 /* this formula differs from the one in periodic_reify because we do not always round up */ 986 /* this formula differs from the one in periodic_reify because we do not always round up */
795 if (w->interval) 987 if (w->interval)
796 w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; 988 w->at += ceil ((ev_now - w->at) / w->interval) * w->interval;
797 989
800 periodics [periodiccnt - 1] = w; 992 periodics [periodiccnt - 1] = w;
801 upheap ((WT *)periodics, periodiccnt - 1); 993 upheap ((WT *)periodics, periodiccnt - 1);
802} 994}
803 995
804void 996void
805evperiodic_stop (struct ev_periodic *w) 997ev_periodic_stop (struct ev_periodic *w)
806{ 998{
807 ev_clear ((W)w); 999 ev_clear_pending ((W)w);
808 if (!ev_is_active (w)) 1000 if (!ev_is_active (w))
809 return; 1001 return;
810 1002
811 if (w->active < periodiccnt--) 1003 if (w->active < periodiccnt--)
812 { 1004 {
816 1008
817 ev_stop ((W)w); 1009 ev_stop ((W)w);
818} 1010}
819 1011
820void 1012void
821evsignal_start (struct ev_signal *w) 1013ev_signal_start (struct ev_signal *w)
822{ 1014{
823 if (ev_is_active (w)) 1015 if (ev_is_active (w))
824 return; 1016 return;
1017
1018 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
825 1019
826 ev_start ((W)w, 1); 1020 ev_start ((W)w, 1);
827 array_needsize (signals, signalmax, w->signum, signals_init); 1021 array_needsize (signals, signalmax, w->signum, signals_init);
828 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1022 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
829 1023
836 sigaction (w->signum, &sa, 0); 1030 sigaction (w->signum, &sa, 0);
837 } 1031 }
838} 1032}
839 1033
840void 1034void
841evsignal_stop (struct ev_signal *w) 1035ev_signal_stop (struct ev_signal *w)
842{ 1036{
843 ev_clear ((W)w); 1037 ev_clear_pending ((W)w);
844 if (!ev_is_active (w)) 1038 if (!ev_is_active (w))
845 return; 1039 return;
846 1040
847 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1041 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
848 ev_stop ((W)w); 1042 ev_stop ((W)w);
849 1043
850 if (!signals [w->signum - 1].head) 1044 if (!signals [w->signum - 1].head)
851 signal (w->signum, SIG_DFL); 1045 signal (w->signum, SIG_DFL);
852} 1046}
853 1047
1048void
854void evidle_start (struct ev_idle *w) 1049ev_idle_start (struct ev_idle *w)
855{ 1050{
856 if (ev_is_active (w)) 1051 if (ev_is_active (w))
857 return; 1052 return;
858 1053
859 ev_start ((W)w, ++idlecnt); 1054 ev_start ((W)w, ++idlecnt);
860 array_needsize (idles, idlemax, idlecnt, ); 1055 array_needsize (idles, idlemax, idlecnt, );
861 idles [idlecnt - 1] = w; 1056 idles [idlecnt - 1] = w;
862} 1057}
863 1058
1059void
864void evidle_stop (struct ev_idle *w) 1060ev_idle_stop (struct ev_idle *w)
865{ 1061{
866 ev_clear ((W)w); 1062 ev_clear_pending ((W)w);
867 if (ev_is_active (w)) 1063 if (ev_is_active (w))
868 return; 1064 return;
869 1065
870 idles [w->active - 1] = idles [--idlecnt]; 1066 idles [w->active - 1] = idles [--idlecnt];
871 ev_stop ((W)w); 1067 ev_stop ((W)w);
872} 1068}
873 1069
1070void
874void evprepare_start (struct ev_prepare *w) 1071ev_prepare_start (struct ev_prepare *w)
875{ 1072{
876 if (ev_is_active (w)) 1073 if (ev_is_active (w))
877 return; 1074 return;
878 1075
879 ev_start ((W)w, ++preparecnt); 1076 ev_start ((W)w, ++preparecnt);
880 array_needsize (prepares, preparemax, preparecnt, ); 1077 array_needsize (prepares, preparemax, preparecnt, );
881 prepares [preparecnt - 1] = w; 1078 prepares [preparecnt - 1] = w;
882} 1079}
883 1080
1081void
884void evprepare_stop (struct ev_prepare *w) 1082ev_prepare_stop (struct ev_prepare *w)
885{ 1083{
886 ev_clear ((W)w); 1084 ev_clear_pending ((W)w);
887 if (ev_is_active (w)) 1085 if (ev_is_active (w))
888 return; 1086 return;
889 1087
890 prepares [w->active - 1] = prepares [--preparecnt]; 1088 prepares [w->active - 1] = prepares [--preparecnt];
891 ev_stop ((W)w); 1089 ev_stop ((W)w);
892} 1090}
893 1091
1092void
894void evcheck_start (struct ev_check *w) 1093ev_check_start (struct ev_check *w)
895{ 1094{
896 if (ev_is_active (w)) 1095 if (ev_is_active (w))
897 return; 1096 return;
898 1097
899 ev_start ((W)w, ++checkcnt); 1098 ev_start ((W)w, ++checkcnt);
900 array_needsize (checks, checkmax, checkcnt, ); 1099 array_needsize (checks, checkmax, checkcnt, );
901 checks [checkcnt - 1] = w; 1100 checks [checkcnt - 1] = w;
902} 1101}
903 1102
1103void
904void evcheck_stop (struct ev_check *w) 1104ev_check_stop (struct ev_check *w)
905{ 1105{
906 ev_clear ((W)w); 1106 ev_clear_pending ((W)w);
907 if (ev_is_active (w)) 1107 if (ev_is_active (w))
908 return; 1108 return;
909 1109
910 checks [w->active - 1] = checks [--checkcnt]; 1110 checks [w->active - 1] = checks [--checkcnt];
911 ev_stop ((W)w); 1111 ev_stop ((W)w);
912} 1112}
913 1113
1114void
914void evchild_start (struct ev_child *w) 1115ev_child_start (struct ev_child *w)
915{ 1116{
916 if (ev_is_active (w)) 1117 if (ev_is_active (w))
917 return; 1118 return;
918 1119
919 ev_start ((W)w, 1); 1120 ev_start ((W)w, 1);
920 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1121 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
921} 1122}
922 1123
1124void
923void evchild_stop (struct ev_child *w) 1125ev_child_stop (struct ev_child *w)
924{ 1126{
925 ev_clear ((W)w); 1127 ev_clear_pending ((W)w);
926 if (ev_is_active (w)) 1128 if (ev_is_active (w))
927 return; 1129 return;
928 1130
929 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1131 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
930 ev_stop ((W)w); 1132 ev_stop ((W)w);
944once_cb (struct ev_once *once, int revents) 1146once_cb (struct ev_once *once, int revents)
945{ 1147{
946 void (*cb)(int revents, void *arg) = once->cb; 1148 void (*cb)(int revents, void *arg) = once->cb;
947 void *arg = once->arg; 1149 void *arg = once->arg;
948 1150
949 evio_stop (&once->io); 1151 ev_io_stop (&once->io);
950 evtimer_stop (&once->to); 1152 ev_timer_stop (&once->to);
951 free (once); 1153 free (once);
952 1154
953 cb (revents, arg); 1155 cb (revents, arg);
954} 1156}
955 1157
969ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1171ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
970{ 1172{
971 struct ev_once *once = malloc (sizeof (struct ev_once)); 1173 struct ev_once *once = malloc (sizeof (struct ev_once));
972 1174
973 if (!once) 1175 if (!once)
974 cb (EV_ERROR, arg); 1176 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
975 else 1177 else
976 { 1178 {
977 once->cb = cb; 1179 once->cb = cb;
978 once->arg = arg; 1180 once->arg = arg;
979 1181
980 evw_init (&once->io, once_cb_io); 1182 ev_watcher_init (&once->io, once_cb_io);
981
982 if (fd >= 0) 1183 if (fd >= 0)
983 { 1184 {
984 evio_set (&once->io, fd, events); 1185 ev_io_set (&once->io, fd, events);
985 evio_start (&once->io); 1186 ev_io_start (&once->io);
986 } 1187 }
987 1188
988 evw_init (&once->to, once_cb_to); 1189 ev_watcher_init (&once->to, once_cb_to);
989
990 if (timeout >= 0.) 1190 if (timeout >= 0.)
991 { 1191 {
992 evtimer_set (&once->to, timeout, 0.); 1192 ev_timer_set (&once->to, timeout, 0.);
993 evtimer_start (&once->to); 1193 ev_timer_start (&once->to);
994 } 1194 }
995 } 1195 }
996} 1196}
997 1197
998/*****************************************************************************/ 1198/*****************************************************************************/
1009 1209
1010static void 1210static void
1011ocb (struct ev_timer *w, int revents) 1211ocb (struct ev_timer *w, int revents)
1012{ 1212{
1013 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); 1213 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1014 evtimer_stop (w); 1214 ev_timer_stop (w);
1015 evtimer_start (w); 1215 ev_timer_start (w);
1016} 1216}
1017 1217
1018static void 1218static void
1019scb (struct ev_signal *w, int revents) 1219scb (struct ev_signal *w, int revents)
1020{ 1220{
1021 fprintf (stderr, "signal %x,%d\n", revents, w->signum); 1221 fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1022 evio_stop (&wio); 1222 ev_io_stop (&wio);
1023 evio_start (&wio); 1223 ev_io_start (&wio);
1024} 1224}
1025 1225
1026static void 1226static void
1027gcb (struct ev_signal *w, int revents) 1227gcb (struct ev_signal *w, int revents)
1028{ 1228{
1032 1232
1033int main (void) 1233int main (void)
1034{ 1234{
1035 ev_init (0); 1235 ev_init (0);
1036 1236
1037 evio_init (&wio, sin_cb, 0, EV_READ); 1237 ev_io_init (&wio, sin_cb, 0, EV_READ);
1038 evio_start (&wio); 1238 ev_io_start (&wio);
1039 1239
1040 struct ev_timer t[10000]; 1240 struct ev_timer t[10000];
1041 1241
1042#if 0 1242#if 0
1043 int i; 1243 int i;
1044 for (i = 0; i < 10000; ++i) 1244 for (i = 0; i < 10000; ++i)
1045 { 1245 {
1046 struct ev_timer *w = t + i; 1246 struct ev_timer *w = t + i;
1047 evw_init (w, ocb, i); 1247 ev_watcher_init (w, ocb, i);
1048 evtimer_init_abs (w, ocb, drand48 (), 0.99775533); 1248 ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1049 evtimer_start (w); 1249 ev_timer_start (w);
1050 if (drand48 () < 0.5) 1250 if (drand48 () < 0.5)
1051 evtimer_stop (w); 1251 ev_timer_stop (w);
1052 } 1252 }
1053#endif 1253#endif
1054 1254
1055 struct ev_timer t1; 1255 struct ev_timer t1;
1056 evtimer_init (&t1, ocb, 5, 10); 1256 ev_timer_init (&t1, ocb, 5, 10);
1057 evtimer_start (&t1); 1257 ev_timer_start (&t1);
1058 1258
1059 struct ev_signal sig; 1259 struct ev_signal sig;
1060 evsignal_init (&sig, scb, SIGQUIT); 1260 ev_signal_init (&sig, scb, SIGQUIT);
1061 evsignal_start (&sig); 1261 ev_signal_start (&sig);
1062 1262
1063 struct ev_check cw; 1263 struct ev_check cw;
1064 evcheck_init (&cw, gcb); 1264 ev_check_init (&cw, gcb);
1065 evcheck_start (&cw); 1265 ev_check_start (&cw);
1066 1266
1067 struct ev_idle iw; 1267 struct ev_idle iw;
1068 evidle_init (&iw, gcb); 1268 ev_idle_init (&iw, gcb);
1069 evidle_start (&iw); 1269 ev_idle_start (&iw);
1070 1270
1071 ev_loop (0); 1271 ev_loop (0);
1072 1272
1073 return 0; 1273 return 0;
1074} 1274}

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