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Comparing libev/ev.c (file contents):
Revision 1.120 by root, Fri Nov 16 01:54:25 2007 UTC vs.
Revision 1.140 by root, Mon Nov 26 19:49:36 2007 UTC

… …
32#ifdef __cplusplus 32#ifdef __cplusplus
33extern "C" { 33extern "C" {
34#endif 34#endif
35 35
36#ifndef EV_STANDALONE 36#ifndef EV_STANDALONE
37# ifdef EV_CONFIG_H
38# include EV_CONFIG_H
39# else
37# include "config.h" 40# include "config.h"
41# endif
38 42
39# if HAVE_CLOCK_GETTIME 43# if HAVE_CLOCK_GETTIME
40# ifndef EV_USE_MONOTONIC 44# ifndef EV_USE_MONOTONIC
41# define EV_USE_MONOTONIC 1 45# define EV_USE_MONOTONIC 1
42# endif 46# endif
43# ifndef EV_USE_REALTIME 47# ifndef EV_USE_REALTIME
44# define EV_USE_REALTIME 1 48# define EV_USE_REALTIME 1
45# endif 49# endif
50# else
51# ifndef EV_USE_MONOTONIC
52# define EV_USE_MONOTONIC 0
53# endif
54# ifndef EV_USE_REALTIME
55# define EV_USE_REALTIME 0
56# endif
46# endif 57# endif
47 58
48# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) 59# ifndef EV_USE_SELECT
60# if HAVE_SELECT && HAVE_SYS_SELECT_H
49# define EV_USE_SELECT 1 61# define EV_USE_SELECT 1
62# else
63# define EV_USE_SELECT 0
64# endif
50# endif 65# endif
51 66
52# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) 67# ifndef EV_USE_POLL
68# if HAVE_POLL && HAVE_POLL_H
53# define EV_USE_POLL 1 69# define EV_USE_POLL 1
70# else
71# define EV_USE_POLL 0
72# endif
54# endif 73# endif
55 74
56# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) 75# ifndef EV_USE_EPOLL
76# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
57# define EV_USE_EPOLL 1 77# define EV_USE_EPOLL 1
78# else
79# define EV_USE_EPOLL 0
80# endif
58# endif 81# endif
59 82
83# ifndef EV_USE_KQUEUE
60# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) 84# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
61# define EV_USE_KQUEUE 1 85# define EV_USE_KQUEUE 1
86# else
87# define EV_USE_KQUEUE 0
88# endif
62# endif 89# endif
63 90
64# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) 91# ifndef EV_USE_PORT
92# if HAVE_PORT_H && HAVE_PORT_CREATE
65# define EV_USE_PORT 1 93# define EV_USE_PORT 1
94# else
95# define EV_USE_PORT 0
96# endif
66# endif 97# endif
67 98
68#endif 99#endif
69 100
70#include <math.h> 101#include <math.h>
… …
80#include <time.h> 111#include <time.h>
81 112
82#include <signal.h> 113#include <signal.h>
83 114
84#ifndef _WIN32 115#ifndef _WIN32
85# include <unistd.h>
86# include <sys/time.h> 116# include <sys/time.h>
87# include <sys/wait.h> 117# include <sys/wait.h>
118# include <unistd.h>
88#else 119#else
89# define WIN32_LEAN_AND_MEAN 120# define WIN32_LEAN_AND_MEAN
90# include <windows.h> 121# include <windows.h>
91# ifndef EV_SELECT_IS_WINSOCKET 122# ifndef EV_SELECT_IS_WINSOCKET
92# define EV_SELECT_IS_WINSOCKET 1 123# define EV_SELECT_IS_WINSOCKET 1
… …
94#endif 125#endif
95 126
96/**/ 127/**/
97 128
98#ifndef EV_USE_MONOTONIC 129#ifndef EV_USE_MONOTONIC
99# define EV_USE_MONOTONIC 1 130# define EV_USE_MONOTONIC 0
100#endif 131#endif
101 132
102#ifndef EV_USE_REALTIME 133#ifndef EV_USE_REALTIME
103# define EV_USE_REALTIME 1 134# define EV_USE_REALTIME 0
104#endif 135#endif
105 136
106#ifndef EV_USE_SELECT 137#ifndef EV_USE_SELECT
107# define EV_USE_SELECT 1 138# define EV_USE_SELECT 1
108# define EV_SELECT_USE_FD_SET 1
109#endif 139#endif
110 140
111#ifndef EV_USE_POLL 141#ifndef EV_USE_POLL
112# ifdef _WIN32 142# ifdef _WIN32
113# define EV_USE_POLL 0 143# define EV_USE_POLL 0
… …
128# define EV_USE_PORT 0 158# define EV_USE_PORT 0
129#endif 159#endif
130 160
131/**/ 161/**/
132 162
133/* darwin simply cannot be helped */
134#ifdef __APPLE__
135# undef EV_USE_POLL
136# undef EV_USE_KQUEUE
137#endif
138
139#ifndef CLOCK_MONOTONIC 163#ifndef CLOCK_MONOTONIC
140# undef EV_USE_MONOTONIC 164# undef EV_USE_MONOTONIC
141# define EV_USE_MONOTONIC 0 165# define EV_USE_MONOTONIC 0
142#endif 166#endif
143 167
… …
163# include "ev.h" 187# include "ev.h"
164#endif 188#endif
165 189
166#if __GNUC__ >= 3 190#if __GNUC__ >= 3
167# define expect(expr,value) __builtin_expect ((expr),(value)) 191# define expect(expr,value) __builtin_expect ((expr),(value))
192# define inline_size static inline /* inline for codesize */
193# if EV_MINIMAL
168# define inline inline 194# define noinline __attribute__ ((noinline))
195# define inline_speed static noinline
196# else
197# define noinline
198# define inline_speed static inline
199# endif
169#else 200#else
170# define expect(expr,value) (expr) 201# define expect(expr,value) (expr)
171# define inline static 202# define inline_speed static
203# define inline_minimal static
204# define noinline
172#endif 205#endif
173 206
174#define expect_false(expr) expect ((expr) != 0, 0) 207#define expect_false(expr) expect ((expr) != 0, 0)
175#define expect_true(expr) expect ((expr) != 0, 1) 208#define expect_true(expr) expect ((expr) != 0, 1)
176 209
… …
178#define ABSPRI(w) ((w)->priority - EV_MINPRI) 211#define ABSPRI(w) ((w)->priority - EV_MINPRI)
179 212
180#define EMPTY0 /* required for microsofts broken pseudo-c compiler */ 213#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
181#define EMPTY2(a,b) /* used to suppress some warnings */ 214#define EMPTY2(a,b) /* used to suppress some warnings */
182 215
183typedef struct ev_watcher *W; 216typedef ev_watcher *W;
184typedef struct ev_watcher_list *WL; 217typedef ev_watcher_list *WL;
185typedef struct ev_watcher_time *WT; 218typedef ev_watcher_time *WT;
186 219
187static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 220static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
188 221
189#ifdef _WIN32 222#ifdef _WIN32
190# include "ev_win32.c" 223# include "ev_win32.c"
… …
282 315
283#endif 316#endif
284 317
285/*****************************************************************************/ 318/*****************************************************************************/
286 319
287ev_tstamp 320ev_tstamp noinline
288ev_time (void) 321ev_time (void)
289{ 322{
290#if EV_USE_REALTIME 323#if EV_USE_REALTIME
291 struct timespec ts; 324 struct timespec ts;
292 clock_gettime (CLOCK_REALTIME, &ts); 325 clock_gettime (CLOCK_REALTIME, &ts);
… …
296 gettimeofday (&tv, 0); 329 gettimeofday (&tv, 0);
297 return tv.tv_sec + tv.tv_usec * 1e-6; 330 return tv.tv_sec + tv.tv_usec * 1e-6;
298#endif 331#endif
299} 332}
300 333
301inline ev_tstamp 334ev_tstamp inline_size
302get_clock (void) 335get_clock (void)
303{ 336{
304#if EV_USE_MONOTONIC 337#if EV_USE_MONOTONIC
305 if (expect_true (have_monotonic)) 338 if (expect_true (have_monotonic))
306 { 339 {
… …
349#define array_free(stem, idx) \ 382#define array_free(stem, idx) \
350 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 383 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
351 384
352/*****************************************************************************/ 385/*****************************************************************************/
353 386
354static void 387void inline_size
355anfds_init (ANFD *base, int count) 388anfds_init (ANFD *base, int count)
356{ 389{
357 while (count--) 390 while (count--)
358 { 391 {
359 base->head = 0; 392 base->head = 0;
… …
362 395
363 ++base; 396 ++base;
364 } 397 }
365} 398}
366 399
367void 400void noinline
368ev_feed_event (EV_P_ void *w, int revents) 401ev_feed_event (EV_P_ void *w, int revents)
369{ 402{
370 W w_ = (W)w; 403 W w_ = (W)w;
371 404
372 if (w_->pending) 405 if (expect_false (w_->pending))
373 { 406 {
374 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 407 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
375 return; 408 return;
376 } 409 }
377 410
… …
388 421
389 for (i = 0; i < eventcnt; ++i) 422 for (i = 0; i < eventcnt; ++i)
390 ev_feed_event (EV_A_ events [i], type); 423 ev_feed_event (EV_A_ events [i], type);
391} 424}
392 425
393inline void 426void inline_speed
394fd_event (EV_P_ int fd, int revents) 427fd_event (EV_P_ int fd, int revents)
395{ 428{
396 ANFD *anfd = anfds + fd; 429 ANFD *anfd = anfds + fd;
397 struct ev_io *w; 430 ev_io *w;
398 431
399 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 432 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
400 { 433 {
401 int ev = w->events & revents; 434 int ev = w->events & revents;
402 435
403 if (ev) 436 if (ev)
404 ev_feed_event (EV_A_ (W)w, ev); 437 ev_feed_event (EV_A_ (W)w, ev);
… …
411 fd_event (EV_A_ fd, revents); 444 fd_event (EV_A_ fd, revents);
412} 445}
413 446
414/*****************************************************************************/ 447/*****************************************************************************/
415 448
416static void 449void inline_size
417fd_reify (EV_P) 450fd_reify (EV_P)
418{ 451{
419 int i; 452 int i;
420 453
421 for (i = 0; i < fdchangecnt; ++i) 454 for (i = 0; i < fdchangecnt; ++i)
422 { 455 {
423 int fd = fdchanges [i]; 456 int fd = fdchanges [i];
424 ANFD *anfd = anfds + fd; 457 ANFD *anfd = anfds + fd;
425 struct ev_io *w; 458 ev_io *w;
426 459
427 int events = 0; 460 int events = 0;
428 461
429 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 462 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
430 events |= w->events; 463 events |= w->events;
431 464
432#if EV_SELECT_IS_WINSOCKET 465#if EV_SELECT_IS_WINSOCKET
433 if (events) 466 if (events)
434 { 467 {
… …
438 } 471 }
439#endif 472#endif
440 473
441 anfd->reify = 0; 474 anfd->reify = 0;
442 475
443 method_modify (EV_A_ fd, anfd->events, events); 476 backend_modify (EV_A_ fd, anfd->events, events);
444 anfd->events = events; 477 anfd->events = events;
445 } 478 }
446 479
447 fdchangecnt = 0; 480 fdchangecnt = 0;
448} 481}
449 482
450static void 483void inline_size
451fd_change (EV_P_ int fd) 484fd_change (EV_P_ int fd)
452{ 485{
453 if (anfds [fd].reify) 486 if (expect_false (anfds [fd].reify))
454 return; 487 return;
455 488
456 anfds [fd].reify = 1; 489 anfds [fd].reify = 1;
457 490
458 ++fdchangecnt; 491 ++fdchangecnt;
459 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 492 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
460 fdchanges [fdchangecnt - 1] = fd; 493 fdchanges [fdchangecnt - 1] = fd;
461} 494}
462 495
463static void 496void inline_speed
464fd_kill (EV_P_ int fd) 497fd_kill (EV_P_ int fd)
465{ 498{
466 struct ev_io *w; 499 ev_io *w;
467 500
468 while ((w = (struct ev_io *)anfds [fd].head)) 501 while ((w = (ev_io *)anfds [fd].head))
469 { 502 {
470 ev_io_stop (EV_A_ w); 503 ev_io_stop (EV_A_ w);
471 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 504 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
472 } 505 }
473} 506}
474 507
475static int 508int inline_size
476fd_valid (int fd) 509fd_valid (int fd)
477{ 510{
478#ifdef _WIN32 511#ifdef _WIN32
479 return _get_osfhandle (fd) != -1; 512 return _get_osfhandle (fd) != -1;
480#else 513#else
481 return fcntl (fd, F_GETFD) != -1; 514 return fcntl (fd, F_GETFD) != -1;
482#endif 515#endif
483} 516}
484 517
485/* called on EBADF to verify fds */ 518/* called on EBADF to verify fds */
486static void 519static void noinline
487fd_ebadf (EV_P) 520fd_ebadf (EV_P)
488{ 521{
489 int fd; 522 int fd;
490 523
491 for (fd = 0; fd < anfdmax; ++fd) 524 for (fd = 0; fd < anfdmax; ++fd)
… …
493 if (!fd_valid (fd) == -1 && errno == EBADF) 526 if (!fd_valid (fd) == -1 && errno == EBADF)
494 fd_kill (EV_A_ fd); 527 fd_kill (EV_A_ fd);
495} 528}
496 529
497/* called on ENOMEM in select/poll to kill some fds and retry */ 530/* called on ENOMEM in select/poll to kill some fds and retry */
498static void 531static void noinline
499fd_enomem (EV_P) 532fd_enomem (EV_P)
500{ 533{
501 int fd; 534 int fd;
502 535
503 for (fd = anfdmax; fd--; ) 536 for (fd = anfdmax; fd--; )
… …
506 fd_kill (EV_A_ fd); 539 fd_kill (EV_A_ fd);
507 return; 540 return;
508 } 541 }
509} 542}
510 543
511/* usually called after fork if method needs to re-arm all fds from scratch */ 544/* usually called after fork if backend needs to re-arm all fds from scratch */
512static void 545static void noinline
513fd_rearm_all (EV_P) 546fd_rearm_all (EV_P)
514{ 547{
515 int fd; 548 int fd;
516 549
517 /* this should be highly optimised to not do anything but set a flag */ 550 /* this should be highly optimised to not do anything but set a flag */
… …
523 } 556 }
524} 557}
525 558
526/*****************************************************************************/ 559/*****************************************************************************/
527 560
528static void 561void inline_speed
529upheap (WT *heap, int k) 562upheap (WT *heap, int k)
530{ 563{
531 WT w = heap [k]; 564 WT w = heap [k];
532 565
533 while (k && heap [k >> 1]->at > w->at) 566 while (k && heap [k >> 1]->at > w->at)
… …
540 heap [k] = w; 573 heap [k] = w;
541 ((W)heap [k])->active = k + 1; 574 ((W)heap [k])->active = k + 1;
542 575
543} 576}
544 577
545static void 578void inline_speed
546downheap (WT *heap, int N, int k) 579downheap (WT *heap, int N, int k)
547{ 580{
548 WT w = heap [k]; 581 WT w = heap [k];
549 582
550 while (k < (N >> 1)) 583 while (k < (N >> 1))
… …
564 597
565 heap [k] = w; 598 heap [k] = w;
566 ((W)heap [k])->active = k + 1; 599 ((W)heap [k])->active = k + 1;
567} 600}
568 601
569inline void 602void inline_size
570adjustheap (WT *heap, int N, int k) 603adjustheap (WT *heap, int N, int k)
571{ 604{
572 upheap (heap, k); 605 upheap (heap, k);
573 downheap (heap, N, k); 606 downheap (heap, N, k);
574} 607}
… …
584static ANSIG *signals; 617static ANSIG *signals;
585static int signalmax; 618static int signalmax;
586 619
587static int sigpipe [2]; 620static int sigpipe [2];
588static sig_atomic_t volatile gotsig; 621static sig_atomic_t volatile gotsig;
589static struct ev_io sigev; 622static ev_io sigev;
590 623
591static void 624void inline_size
592signals_init (ANSIG *base, int count) 625signals_init (ANSIG *base, int count)
593{ 626{
594 while (count--) 627 while (count--)
595 { 628 {
596 base->head = 0; 629 base->head = 0;
… …
616 write (sigpipe [1], &signum, 1); 649 write (sigpipe [1], &signum, 1);
617 errno = old_errno; 650 errno = old_errno;
618 } 651 }
619} 652}
620 653
621void 654void noinline
622ev_feed_signal_event (EV_P_ int signum) 655ev_feed_signal_event (EV_P_ int signum)
623{ 656{
624 WL w; 657 WL w;
625 658
626#if EV_MULTIPLICITY 659#if EV_MULTIPLICITY
… …
637 for (w = signals [signum].head; w; w = w->next) 670 for (w = signals [signum].head; w; w = w->next)
638 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 671 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
639} 672}
640 673
641static void 674static void
642sigcb (EV_P_ struct ev_io *iow, int revents) 675sigcb (EV_P_ ev_io *iow, int revents)
643{ 676{
644 int signum; 677 int signum;
645 678
646 read (sigpipe [0], &revents, 1); 679 read (sigpipe [0], &revents, 1);
647 gotsig = 0; 680 gotsig = 0;
… …
649 for (signum = signalmax; signum--; ) 682 for (signum = signalmax; signum--; )
650 if (signals [signum].gotsig) 683 if (signals [signum].gotsig)
651 ev_feed_signal_event (EV_A_ signum + 1); 684 ev_feed_signal_event (EV_A_ signum + 1);
652} 685}
653 686
654inline void 687void inline_size
655fd_intern (int fd) 688fd_intern (int fd)
656{ 689{
657#ifdef _WIN32 690#ifdef _WIN32
658 int arg = 1; 691 int arg = 1;
659 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 692 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
… …
661 fcntl (fd, F_SETFD, FD_CLOEXEC); 694 fcntl (fd, F_SETFD, FD_CLOEXEC);
662 fcntl (fd, F_SETFL, O_NONBLOCK); 695 fcntl (fd, F_SETFL, O_NONBLOCK);
663#endif 696#endif
664} 697}
665 698
666static void 699static void noinline
667siginit (EV_P) 700siginit (EV_P)
668{ 701{
669 fd_intern (sigpipe [0]); 702 fd_intern (sigpipe [0]);
670 fd_intern (sigpipe [1]); 703 fd_intern (sigpipe [1]);
671 704
… …
674 ev_unref (EV_A); /* child watcher should not keep loop alive */ 707 ev_unref (EV_A); /* child watcher should not keep loop alive */
675} 708}
676 709
677/*****************************************************************************/ 710/*****************************************************************************/
678 711
679static struct ev_child *childs [PID_HASHSIZE]; 712static ev_child *childs [PID_HASHSIZE];
680 713
681#ifndef _WIN32 714#ifndef _WIN32
682 715
683static struct ev_signal childev; 716static ev_signal childev;
684 717
685#ifndef WCONTINUED 718#ifndef WCONTINUED
686# define WCONTINUED 0 719# define WCONTINUED 0
687#endif 720#endif
688 721
689static void 722void inline_speed
690child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) 723child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
691{ 724{
692 struct ev_child *w; 725 ev_child *w;
693 726
694 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) 727 for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
695 if (w->pid == pid || !w->pid) 728 if (w->pid == pid || !w->pid)
696 { 729 {
697 ev_priority (w) = ev_priority (sw); /* need to do it *now* */ 730 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
698 w->rpid = pid; 731 w->rpid = pid;
699 w->rstatus = status; 732 w->rstatus = status;
700 ev_feed_event (EV_A_ (W)w, EV_CHILD); 733 ev_feed_event (EV_A_ (W)w, EV_CHILD);
701 } 734 }
702} 735}
703 736
704static void 737static void
705childcb (EV_P_ struct ev_signal *sw, int revents) 738childcb (EV_P_ ev_signal *sw, int revents)
706{ 739{
707 int pid, status; 740 int pid, status;
708 741
709 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) 742 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
710 { 743 {
711 /* make sure we are called again until all childs have been reaped */ 744 /* make sure we are called again until all childs have been reaped */
745 /* we need to do it this way so that the callback gets called before we continue */
712 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 746 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
713 747
714 child_reap (EV_A_ sw, pid, pid, status); 748 child_reap (EV_A_ sw, pid, pid, status);
715 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ 749 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
716 } 750 }
717} 751}
718 752
719#endif 753#endif
720 754
… …
747{ 781{
748 return EV_VERSION_MINOR; 782 return EV_VERSION_MINOR;
749} 783}
750 784
751/* return true if we are running with elevated privileges and should ignore env variables */ 785/* return true if we are running with elevated privileges and should ignore env variables */
752static int 786int inline_size
753enable_secure (void) 787enable_secure (void)
754{ 788{
755#ifdef _WIN32 789#ifdef _WIN32
756 return 0; 790 return 0;
757#else 791#else
… …
759 || getgid () != getegid (); 793 || getgid () != getegid ();
760#endif 794#endif
761} 795}
762 796
763unsigned int 797unsigned int
764ev_method (EV_P) 798ev_supported_backends (void)
765{ 799{
766 return method; 800 unsigned int flags = 0;
801
802 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
803 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
804 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
805 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
806 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
807
808 return flags;
809}
810
811unsigned int
812ev_recommended_backends (void)
813{
814 unsigned int flags = ev_supported_backends ();
815
816#ifndef __NetBSD__
817 /* kqueue is borked on everything but netbsd apparently */
818 /* it usually doesn't work correctly on anything but sockets and pipes */
819 flags &= ~EVBACKEND_KQUEUE;
820#endif
821#ifdef __APPLE__
822 // flags &= ~EVBACKEND_KQUEUE; for documentation
823 flags &= ~EVBACKEND_POLL;
824#endif
825
826 return flags;
827}
828
829unsigned int
830ev_embeddable_backends (void)
831{
832 return EVBACKEND_EPOLL
833 | EVBACKEND_KQUEUE
834 | EVBACKEND_PORT;
835}
836
837unsigned int
838ev_backend (EV_P)
839{
840 return backend;
767} 841}
768 842
769static void 843static void
770loop_init (EV_P_ unsigned int flags) 844loop_init (EV_P_ unsigned int flags)
771{ 845{
772 if (!method) 846 if (!backend)
773 { 847 {
774#if EV_USE_MONOTONIC 848#if EV_USE_MONOTONIC
775 { 849 {
776 struct timespec ts; 850 struct timespec ts;
777 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 851 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
… …
782 ev_rt_now = ev_time (); 856 ev_rt_now = ev_time ();
783 mn_now = get_clock (); 857 mn_now = get_clock ();
784 now_floor = mn_now; 858 now_floor = mn_now;
785 rtmn_diff = ev_rt_now - mn_now; 859 rtmn_diff = ev_rt_now - mn_now;
786 860
787 if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) 861 if (!(flags & EVFLAG_NOENV)
862 && !enable_secure ()
863 && getenv ("LIBEV_FLAGS"))
788 flags = atoi (getenv ("LIBEV_FLAGS")); 864 flags = atoi (getenv ("LIBEV_FLAGS"));
789 865
790 if (!(flags & 0x0000ffff)) 866 if (!(flags & 0x0000ffffUL))
791 flags |= 0x0000ffff; 867 flags |= ev_recommended_backends ();
792 868
793 method = 0; 869 backend = 0;
794#if EV_USE_PORT 870#if EV_USE_PORT
795 if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); 871 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
796#endif 872#endif
797#if EV_USE_KQUEUE 873#if EV_USE_KQUEUE
798 if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); 874 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
799#endif 875#endif
800#if EV_USE_EPOLL 876#if EV_USE_EPOLL
801 if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); 877 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
802#endif 878#endif
803#if EV_USE_POLL 879#if EV_USE_POLL
804 if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); 880 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
805#endif 881#endif
806#if EV_USE_SELECT 882#if EV_USE_SELECT
807 if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); 883 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
808#endif 884#endif
809 885
810 ev_init (&sigev, sigcb); 886 ev_init (&sigev, sigcb);
811 ev_set_priority (&sigev, EV_MAXPRI); 887 ev_set_priority (&sigev, EV_MAXPRI);
812 } 888 }
813} 889}
814 890
815void 891static void
816loop_destroy (EV_P) 892loop_destroy (EV_P)
817{ 893{
818 int i; 894 int i;
819 895
820#if EV_USE_PORT 896#if EV_USE_PORT
821 if (method == EVMETHOD_PORT ) port_destroy (EV_A); 897 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
822#endif 898#endif
823#if EV_USE_KQUEUE 899#if EV_USE_KQUEUE
824 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); 900 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
825#endif 901#endif
826#if EV_USE_EPOLL 902#if EV_USE_EPOLL
827 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); 903 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
828#endif 904#endif
829#if EV_USE_POLL 905#if EV_USE_POLL
830 if (method == EVMETHOD_POLL ) poll_destroy (EV_A); 906 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
831#endif 907#endif
832#if EV_USE_SELECT 908#if EV_USE_SELECT
833 if (method == EVMETHOD_SELECT) select_destroy (EV_A); 909 if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
834#endif 910#endif
835 911
836 for (i = NUMPRI; i--; ) 912 for (i = NUMPRI; i--; )
837 array_free (pending, [i]); 913 array_free (pending, [i]);
838 914
839 /* have to use the microsoft-never-gets-it-right macro */ 915 /* have to use the microsoft-never-gets-it-right macro */
840 array_free (fdchange, EMPTY0); 916 array_free (fdchange, EMPTY0);
841 array_free (timer, EMPTY0); 917 array_free (timer, EMPTY0);
842#if EV_PERIODICS 918#if EV_PERIODIC_ENABLE
843 array_free (periodic, EMPTY0); 919 array_free (periodic, EMPTY0);
844#endif 920#endif
845 array_free (idle, EMPTY0); 921 array_free (idle, EMPTY0);
846 array_free (prepare, EMPTY0); 922 array_free (prepare, EMPTY0);
847 array_free (check, EMPTY0); 923 array_free (check, EMPTY0);
848 924
849 method = 0; 925 backend = 0;
850} 926}
851 927
852static void 928static void
853loop_fork (EV_P) 929loop_fork (EV_P)
854{ 930{
855#if EV_USE_PORT 931#if EV_USE_PORT
856 if (method == EVMETHOD_PORT ) port_fork (EV_A); 932 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
857#endif 933#endif
858#if EV_USE_KQUEUE 934#if EV_USE_KQUEUE
859 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); 935 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);
860#endif 936#endif
861#if EV_USE_EPOLL 937#if EV_USE_EPOLL
862 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); 938 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
863#endif 939#endif
864 940
865 if (ev_is_active (&sigev)) 941 if (ev_is_active (&sigev))
866 { 942 {
867 /* default loop */ 943 /* default loop */
… …
888 964
889 memset (loop, 0, sizeof (struct ev_loop)); 965 memset (loop, 0, sizeof (struct ev_loop));
890 966
891 loop_init (EV_A_ flags); 967 loop_init (EV_A_ flags);
892 968
893 if (ev_method (EV_A)) 969 if (ev_backend (EV_A))
894 return loop; 970 return loop;
895 971
896 return 0; 972 return 0;
897} 973}
898 974
… …
911 987
912#endif 988#endif
913 989
914#if EV_MULTIPLICITY 990#if EV_MULTIPLICITY
915struct ev_loop * 991struct ev_loop *
916ev_default_loop_ (unsigned int flags) 992ev_default_loop_init (unsigned int flags)
917#else 993#else
918int 994int
919ev_default_loop (unsigned int flags) 995ev_default_loop (unsigned int flags)
920#endif 996#endif
921{ 997{
… …
931 ev_default_loop_ptr = 1; 1007 ev_default_loop_ptr = 1;
932#endif 1008#endif
933 1009
934 loop_init (EV_A_ flags); 1010 loop_init (EV_A_ flags);
935 1011
936 if (ev_method (EV_A)) 1012 if (ev_backend (EV_A))
937 { 1013 {
938 siginit (EV_A); 1014 siginit (EV_A);
939 1015
940#ifndef _WIN32 1016#ifndef _WIN32
941 ev_signal_init (&childev, childcb, SIGCHLD); 1017 ev_signal_init (&childev, childcb, SIGCHLD);
… …
977{ 1053{
978#if EV_MULTIPLICITY 1054#if EV_MULTIPLICITY
979 struct ev_loop *loop = ev_default_loop_ptr; 1055 struct ev_loop *loop = ev_default_loop_ptr;
980#endif 1056#endif
981 1057
982 if (method) 1058 if (backend)
983 postfork = 1; 1059 postfork = 1;
984} 1060}
985 1061
986/*****************************************************************************/ 1062/*****************************************************************************/
987 1063
988static int 1064int inline_size
989any_pending (EV_P) 1065any_pending (EV_P)
990{ 1066{
991 int pri; 1067 int pri;
992 1068
993 for (pri = NUMPRI; pri--; ) 1069 for (pri = NUMPRI; pri--; )
… …
995 return 1; 1071 return 1;
996 1072
997 return 0; 1073 return 0;
998} 1074}
999 1075
1000static void 1076void inline_speed
1001call_pending (EV_P) 1077call_pending (EV_P)
1002{ 1078{
1003 int pri; 1079 int pri;
1004 1080
1005 for (pri = NUMPRI; pri--; ) 1081 for (pri = NUMPRI; pri--; )
1006 while (pendingcnt [pri]) 1082 while (pendingcnt [pri])
1007 { 1083 {
1008 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1084 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1009 1085
1010 if (p->w) 1086 if (expect_true (p->w))
1011 { 1087 {
1088 assert (("non-pending watcher on pending list", p->w->pending));
1089
1012 p->w->pending = 0; 1090 p->w->pending = 0;
1013 EV_CB_INVOKE (p->w, p->events); 1091 EV_CB_INVOKE (p->w, p->events);
1014 } 1092 }
1015 } 1093 }
1016} 1094}
1017 1095
1018static void 1096void inline_size
1019timers_reify (EV_P) 1097timers_reify (EV_P)
1020{ 1098{
1021 while (timercnt && ((WT)timers [0])->at <= mn_now) 1099 while (timercnt && ((WT)timers [0])->at <= mn_now)
1022 { 1100 {
1023 struct ev_timer *w = timers [0]; 1101 ev_timer *w = timers [0];
1024 1102
1025 assert (("inactive timer on timer heap detected", ev_is_active (w))); 1103 assert (("inactive timer on timer heap detected", ev_is_active (w)));
1026 1104
1027 /* first reschedule or stop timer */ 1105 /* first reschedule or stop timer */
1028 if (w->repeat) 1106 if (w->repeat)
… …
1040 1118
1041 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1119 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1042 } 1120 }
1043} 1121}
1044 1122
1045#if EV_PERIODICS 1123#if EV_PERIODIC_ENABLE
1046static void 1124void inline_size
1047periodics_reify (EV_P) 1125periodics_reify (EV_P)
1048{ 1126{
1049 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1127 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1050 { 1128 {
1051 struct ev_periodic *w = periodics [0]; 1129 ev_periodic *w = periodics [0];
1052 1130
1053 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1131 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1054 1132
1055 /* first reschedule or stop timer */ 1133 /* first reschedule or stop timer */
1056 if (w->reschedule_cb) 1134 if (w->reschedule_cb)
… …
1070 1148
1071 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1149 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1072 } 1150 }
1073} 1151}
1074 1152
1075static void 1153static void noinline
1076periodics_reschedule (EV_P) 1154periodics_reschedule (EV_P)
1077{ 1155{
1078 int i; 1156 int i;
1079 1157
1080 /* adjust periodics after time jump */ 1158 /* adjust periodics after time jump */
1081 for (i = 0; i < periodiccnt; ++i) 1159 for (i = 0; i < periodiccnt; ++i)
1082 { 1160 {
1083 struct ev_periodic *w = periodics [i]; 1161 ev_periodic *w = periodics [i];
1084 1162
1085 if (w->reschedule_cb) 1163 if (w->reschedule_cb)
1086 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1164 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1087 else if (w->interval) 1165 else if (w->interval)
1088 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1166 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
… …
1092 for (i = periodiccnt >> 1; i--; ) 1170 for (i = periodiccnt >> 1; i--; )
1093 downheap ((WT *)periodics, periodiccnt, i); 1171 downheap ((WT *)periodics, periodiccnt, i);
1094} 1172}
1095#endif 1173#endif
1096 1174
1097inline int 1175int inline_size
1098time_update_monotonic (EV_P) 1176time_update_monotonic (EV_P)
1099{ 1177{
1100 mn_now = get_clock (); 1178 mn_now = get_clock ();
1101 1179
1102 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 1180 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
… …
1110 ev_rt_now = ev_time (); 1188 ev_rt_now = ev_time ();
1111 return 1; 1189 return 1;
1112 } 1190 }
1113} 1191}
1114 1192
1115static void 1193void inline_size
1116time_update (EV_P) 1194time_update (EV_P)
1117{ 1195{
1118 int i; 1196 int i;
1119 1197
1120#if EV_USE_MONOTONIC 1198#if EV_USE_MONOTONIC
… …
1122 { 1200 {
1123 if (time_update_monotonic (EV_A)) 1201 if (time_update_monotonic (EV_A))
1124 { 1202 {
1125 ev_tstamp odiff = rtmn_diff; 1203 ev_tstamp odiff = rtmn_diff;
1126 1204
1127 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 1205 /* loop a few times, before making important decisions.
1206 * on the choice of "4": one iteration isn't enough,
1207 * in case we get preempted during the calls to
1208 * ev_time and get_clock. a second call is almost guarenteed
1209 * to succeed in that case, though. and looping a few more times
1210 * doesn't hurt either as we only do this on time-jumps or
1211 * in the unlikely event of getting preempted here.
1212 */
1213 for (i = 4; --i; )
1128 { 1214 {
1129 rtmn_diff = ev_rt_now - mn_now; 1215 rtmn_diff = ev_rt_now - mn_now;
1130 1216
1131 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1217 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1132 return; /* all is well */ 1218 return; /* all is well */
… …
1134 ev_rt_now = ev_time (); 1220 ev_rt_now = ev_time ();
1135 mn_now = get_clock (); 1221 mn_now = get_clock ();
1136 now_floor = mn_now; 1222 now_floor = mn_now;
1137 } 1223 }
1138 1224
1139# if EV_PERIODICS 1225# if EV_PERIODIC_ENABLE
1140 periodics_reschedule (EV_A); 1226 periodics_reschedule (EV_A);
1141# endif 1227# endif
1142 /* no timer adjustment, as the monotonic clock doesn't jump */ 1228 /* no timer adjustment, as the monotonic clock doesn't jump */
1143 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1229 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1144 } 1230 }
… …
1148 { 1234 {
1149 ev_rt_now = ev_time (); 1235 ev_rt_now = ev_time ();
1150 1236
1151 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1237 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1152 { 1238 {
1153#if EV_PERIODICS 1239#if EV_PERIODIC_ENABLE
1154 periodics_reschedule (EV_A); 1240 periodics_reschedule (EV_A);
1155#endif 1241#endif
1156 1242
1157 /* adjust timers. this is easy, as the offset is the same for all */ 1243 /* adjust timers. this is easy, as the offset is the same for all */
1158 for (i = 0; i < timercnt; ++i) 1244 for (i = 0; i < timercnt; ++i)
… …
1178static int loop_done; 1264static int loop_done;
1179 1265
1180void 1266void
1181ev_loop (EV_P_ int flags) 1267ev_loop (EV_P_ int flags)
1182{ 1268{
1183 double block;
1184 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; 1269 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)
1270 ? EVUNLOOP_ONE
1271 : EVUNLOOP_CANCEL;
1185 1272
1186 while (activecnt) 1273 while (activecnt)
1187 { 1274 {
1188 /* queue check watchers (and execute them) */ 1275 /* queue check watchers (and execute them) */
1189 if (expect_false (preparecnt)) 1276 if (expect_false (preparecnt))
… …
1198 1285
1199 /* update fd-related kernel structures */ 1286 /* update fd-related kernel structures */
1200 fd_reify (EV_A); 1287 fd_reify (EV_A);
1201 1288
1202 /* calculate blocking time */ 1289 /* calculate blocking time */
1290 {
1291 double block;
1203 1292
1204 /* we only need this for !monotonic clock or timers, but as we basically 1293 if (flags & EVLOOP_NONBLOCK || idlecnt)
1205 always have timers, we just calculate it always */ 1294 block = 0.; /* do not block at all */
1295 else
1296 {
1297 /* update time to cancel out callback processing overhead */
1206#if EV_USE_MONOTONIC 1298#if EV_USE_MONOTONIC
1207 if (expect_true (have_monotonic)) 1299 if (expect_true (have_monotonic))
1208 time_update_monotonic (EV_A); 1300 time_update_monotonic (EV_A);
1209 else 1301 else
1210#endif 1302#endif
1211 { 1303 {
1212 ev_rt_now = ev_time (); 1304 ev_rt_now = ev_time ();
1213 mn_now = ev_rt_now; 1305 mn_now = ev_rt_now;
1214 } 1306 }
1215 1307
1216 if (flags & EVLOOP_NONBLOCK || idlecnt)
1217 block = 0.;
1218 else
1219 {
1220 block = MAX_BLOCKTIME; 1308 block = MAX_BLOCKTIME;
1221 1309
1222 if (timercnt) 1310 if (timercnt)
1223 { 1311 {
1224 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; 1312 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1225 if (block > to) block = to; 1313 if (block > to) block = to;
1226 } 1314 }
1227 1315
1228#if EV_PERIODICS 1316#if EV_PERIODIC_ENABLE
1229 if (periodiccnt) 1317 if (periodiccnt)
1230 { 1318 {
1231 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; 1319 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1232 if (block > to) block = to; 1320 if (block > to) block = to;
1233 } 1321 }
1234#endif 1322#endif
1235 1323
1236 if (block < 0.) block = 0.; 1324 if (expect_false (block < 0.)) block = 0.;
1237 } 1325 }
1238 1326
1239 method_poll (EV_A_ block); 1327 backend_poll (EV_A_ block);
1328 }
1240 1329
1241 /* update ev_rt_now, do magic */ 1330 /* update ev_rt_now, do magic */
1242 time_update (EV_A); 1331 time_update (EV_A);
1243 1332
1244 /* queue pending timers and reschedule them */ 1333 /* queue pending timers and reschedule them */
1245 timers_reify (EV_A); /* relative timers called last */ 1334 timers_reify (EV_A); /* relative timers called last */
1246#if EV_PERIODICS 1335#if EV_PERIODIC_ENABLE
1247 periodics_reify (EV_A); /* absolute timers called first */ 1336 periodics_reify (EV_A); /* absolute timers called first */
1248#endif 1337#endif
1249 1338
1250 /* queue idle watchers unless io or timers are pending */ 1339 /* queue idle watchers unless other events are pending */
1251 if (idlecnt && !any_pending (EV_A)) 1340 if (idlecnt && !any_pending (EV_A))
1252 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1341 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1253 1342
1254 /* queue check watchers, to be executed first */ 1343 /* queue check watchers, to be executed first */
1255 if (checkcnt) 1344 if (expect_false (checkcnt))
1256 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1345 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1257 1346
1258 call_pending (EV_A); 1347 call_pending (EV_A);
1259 1348
1260 if (loop_done) 1349 if (expect_false (loop_done))
1261 break; 1350 break;
1262 } 1351 }
1263 1352
1264 if (loop_done != 2) 1353 if (loop_done == EVUNLOOP_ONE)
1265 loop_done = 0; 1354 loop_done = EVUNLOOP_CANCEL;
1266} 1355}
1267 1356
1268void 1357void
1269ev_unloop (EV_P_ int how) 1358ev_unloop (EV_P_ int how)
1270{ 1359{
1271 loop_done = how; 1360 loop_done = how;
1272} 1361}
1273 1362
1274/*****************************************************************************/ 1363/*****************************************************************************/
1275 1364
1276inline void 1365void inline_size
1277wlist_add (WL *head, WL elem) 1366wlist_add (WL *head, WL elem)
1278{ 1367{
1279 elem->next = *head; 1368 elem->next = *head;
1280 *head = elem; 1369 *head = elem;
1281} 1370}
1282 1371
1283inline void 1372void inline_size
1284wlist_del (WL *head, WL elem) 1373wlist_del (WL *head, WL elem)
1285{ 1374{
1286 while (*head) 1375 while (*head)
1287 { 1376 {
1288 if (*head == elem) 1377 if (*head == elem)
… …
1293 1382
1294 head = &(*head)->next; 1383 head = &(*head)->next;
1295 } 1384 }
1296} 1385}
1297 1386
1298inline void 1387void inline_speed
1299ev_clear_pending (EV_P_ W w) 1388ev_clear_pending (EV_P_ W w)
1300{ 1389{
1301 if (w->pending) 1390 if (w->pending)
1302 { 1391 {
1303 pendings [ABSPRI (w)][w->pending - 1].w = 0; 1392 pendings [ABSPRI (w)][w->pending - 1].w = 0;
1304 w->pending = 0; 1393 w->pending = 0;
1305 } 1394 }
1306} 1395}
1307 1396
1308inline void 1397void inline_speed
1309ev_start (EV_P_ W w, int active) 1398ev_start (EV_P_ W w, int active)
1310{ 1399{
1311 if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; 1400 if (w->priority < EV_MINPRI) w->priority = EV_MINPRI;
1312 if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; 1401 if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1313 1402
1314 w->active = active; 1403 w->active = active;
1315 ev_ref (EV_A); 1404 ev_ref (EV_A);
1316} 1405}
1317 1406
1318inline void 1407void inline_size
1319ev_stop (EV_P_ W w) 1408ev_stop (EV_P_ W w)
1320{ 1409{
1321 ev_unref (EV_A); 1410 ev_unref (EV_A);
1322 w->active = 0; 1411 w->active = 0;
1323} 1412}
1324 1413
1325/*****************************************************************************/ 1414/*****************************************************************************/
1326 1415
1327void 1416void
1328ev_io_start (EV_P_ struct ev_io *w) 1417ev_io_start (EV_P_ ev_io *w)
1329{ 1418{
1330 int fd = w->fd; 1419 int fd = w->fd;
1331 1420
1332 if (ev_is_active (w)) 1421 if (expect_false (ev_is_active (w)))
1333 return; 1422 return;
1334 1423
1335 assert (("ev_io_start called with negative fd", fd >= 0)); 1424 assert (("ev_io_start called with negative fd", fd >= 0));
1336 1425
1337 ev_start (EV_A_ (W)w, 1); 1426 ev_start (EV_A_ (W)w, 1);
… …
1340 1429
1341 fd_change (EV_A_ fd); 1430 fd_change (EV_A_ fd);
1342} 1431}
1343 1432
1344void 1433void
1345ev_io_stop (EV_P_ struct ev_io *w) 1434ev_io_stop (EV_P_ ev_io *w)
1346{ 1435{
1347 ev_clear_pending (EV_A_ (W)w); 1436 ev_clear_pending (EV_A_ (W)w);
1348 if (!ev_is_active (w)) 1437 if (expect_false (!ev_is_active (w)))
1349 return; 1438 return;
1350 1439
1351 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 1440 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1352 1441
1353 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1442 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
… …
1355 1444
1356 fd_change (EV_A_ w->fd); 1445 fd_change (EV_A_ w->fd);
1357} 1446}
1358 1447
1359void 1448void
1360ev_timer_start (EV_P_ struct ev_timer *w) 1449ev_timer_start (EV_P_ ev_timer *w)
1361{ 1450{
1362 if (ev_is_active (w)) 1451 if (expect_false (ev_is_active (w)))
1363 return; 1452 return;
1364 1453
1365 ((WT)w)->at += mn_now; 1454 ((WT)w)->at += mn_now;
1366 1455
1367 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1456 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1368 1457
1369 ev_start (EV_A_ (W)w, ++timercnt); 1458 ev_start (EV_A_ (W)w, ++timercnt);
1370 array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); 1459 array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);
1371 timers [timercnt - 1] = w; 1460 timers [timercnt - 1] = w;
1372 upheap ((WT *)timers, timercnt - 1); 1461 upheap ((WT *)timers, timercnt - 1);
1373 1462
1374 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1463 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1375} 1464}
1376 1465
1377void 1466void
1378ev_timer_stop (EV_P_ struct ev_timer *w) 1467ev_timer_stop (EV_P_ ev_timer *w)
1379{ 1468{
1380 ev_clear_pending (EV_A_ (W)w); 1469 ev_clear_pending (EV_A_ (W)w);
1381 if (!ev_is_active (w)) 1470 if (expect_false (!ev_is_active (w)))
1382 return; 1471 return;
1383 1472
1384 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1473 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1385 1474
1386 if (((W)w)->active < timercnt--) 1475 if (expect_true (((W)w)->active < timercnt--))
1387 { 1476 {
1388 timers [((W)w)->active - 1] = timers [timercnt]; 1477 timers [((W)w)->active - 1] = timers [timercnt];
1389 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1478 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1390 } 1479 }
1391 1480
… …
1393 1482
1394 ev_stop (EV_A_ (W)w); 1483 ev_stop (EV_A_ (W)w);
1395} 1484}
1396 1485
1397void 1486void
1398ev_timer_again (EV_P_ struct ev_timer *w) 1487ev_timer_again (EV_P_ ev_timer *w)
1399{ 1488{
1400 if (ev_is_active (w)) 1489 if (ev_is_active (w))
1401 { 1490 {
1402 if (w->repeat) 1491 if (w->repeat)
1403 { 1492 {
… …
1412 w->at = w->repeat; 1501 w->at = w->repeat;
1413 ev_timer_start (EV_A_ w); 1502 ev_timer_start (EV_A_ w);
1414 } 1503 }
1415} 1504}
1416 1505
1417#if EV_PERIODICS 1506#if EV_PERIODIC_ENABLE
1418void 1507void
1419ev_periodic_start (EV_P_ struct ev_periodic *w) 1508ev_periodic_start (EV_P_ ev_periodic *w)
1420{ 1509{
1421 if (ev_is_active (w)) 1510 if (expect_false (ev_is_active (w)))
1422 return; 1511 return;
1423 1512
1424 if (w->reschedule_cb) 1513 if (w->reschedule_cb)
1425 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1514 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1426 else if (w->interval) 1515 else if (w->interval)
… …
1429 /* this formula differs from the one in periodic_reify because we do not always round up */ 1518 /* this formula differs from the one in periodic_reify because we do not always round up */
1430 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1519 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1431 } 1520 }
1432 1521
1433 ev_start (EV_A_ (W)w, ++periodiccnt); 1522 ev_start (EV_A_ (W)w, ++periodiccnt);
1434 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); 1523 array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1435 periodics [periodiccnt - 1] = w; 1524 periodics [periodiccnt - 1] = w;
1436 upheap ((WT *)periodics, periodiccnt - 1); 1525 upheap ((WT *)periodics, periodiccnt - 1);
1437 1526
1438 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1527 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1439} 1528}
1440 1529
1441void 1530void
1442ev_periodic_stop (EV_P_ struct ev_periodic *w) 1531ev_periodic_stop (EV_P_ ev_periodic *w)
1443{ 1532{
1444 ev_clear_pending (EV_A_ (W)w); 1533 ev_clear_pending (EV_A_ (W)w);
1445 if (!ev_is_active (w)) 1534 if (expect_false (!ev_is_active (w)))
1446 return; 1535 return;
1447 1536
1448 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1537 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1449 1538
1450 if (((W)w)->active < periodiccnt--) 1539 if (expect_true (((W)w)->active < periodiccnt--))
1451 { 1540 {
1452 periodics [((W)w)->active - 1] = periodics [periodiccnt]; 1541 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1453 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); 1542 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1454 } 1543 }
1455 1544
1456 ev_stop (EV_A_ (W)w); 1545 ev_stop (EV_A_ (W)w);
1457} 1546}
1458 1547
1459void 1548void
1460ev_periodic_again (EV_P_ struct ev_periodic *w) 1549ev_periodic_again (EV_P_ ev_periodic *w)
1461{ 1550{
1462 /* TODO: use adjustheap and recalculation */ 1551 /* TODO: use adjustheap and recalculation */
1463 ev_periodic_stop (EV_A_ w); 1552 ev_periodic_stop (EV_A_ w);
1464 ev_periodic_start (EV_A_ w); 1553 ev_periodic_start (EV_A_ w);
1465} 1554}
1466#endif 1555#endif
1467 1556
1468void 1557void
1469ev_idle_start (EV_P_ struct ev_idle *w) 1558ev_idle_start (EV_P_ ev_idle *w)
1470{ 1559{
1471 if (ev_is_active (w)) 1560 if (expect_false (ev_is_active (w)))
1472 return; 1561 return;
1473 1562
1474 ev_start (EV_A_ (W)w, ++idlecnt); 1563 ev_start (EV_A_ (W)w, ++idlecnt);
1475 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); 1564 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1476 idles [idlecnt - 1] = w; 1565 idles [idlecnt - 1] = w;
1477} 1566}
1478 1567
1479void 1568void
1480ev_idle_stop (EV_P_ struct ev_idle *w) 1569ev_idle_stop (EV_P_ ev_idle *w)
1481{ 1570{
1482 ev_clear_pending (EV_A_ (W)w); 1571 ev_clear_pending (EV_A_ (W)w);
1483 if (!ev_is_active (w)) 1572 if (expect_false (!ev_is_active (w)))
1484 return; 1573 return;
1485 1574
1575 {
1576 int active = ((W)w)->active;
1486 idles [((W)w)->active - 1] = idles [--idlecnt]; 1577 idles [active - 1] = idles [--idlecnt];
1578 ((W)idles [active - 1])->active = active;
1579 }
1580
1487 ev_stop (EV_A_ (W)w); 1581 ev_stop (EV_A_ (W)w);
1488} 1582}
1489 1583
1490void 1584void
1491ev_prepare_start (EV_P_ struct ev_prepare *w) 1585ev_prepare_start (EV_P_ ev_prepare *w)
1492{ 1586{
1493 if (ev_is_active (w)) 1587 if (expect_false (ev_is_active (w)))
1494 return; 1588 return;
1495 1589
1496 ev_start (EV_A_ (W)w, ++preparecnt); 1590 ev_start (EV_A_ (W)w, ++preparecnt);
1497 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 1591 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1498 prepares [preparecnt - 1] = w; 1592 prepares [preparecnt - 1] = w;
1499} 1593}
1500 1594
1501void 1595void
1502ev_prepare_stop (EV_P_ struct ev_prepare *w) 1596ev_prepare_stop (EV_P_ ev_prepare *w)
1503{ 1597{
1504 ev_clear_pending (EV_A_ (W)w); 1598 ev_clear_pending (EV_A_ (W)w);
1505 if (!ev_is_active (w)) 1599 if (expect_false (!ev_is_active (w)))
1506 return; 1600 return;
1507 1601
1602 {
1603 int active = ((W)w)->active;
1508 prepares [((W)w)->active - 1] = prepares [--preparecnt]; 1604 prepares [active - 1] = prepares [--preparecnt];
1605 ((W)prepares [active - 1])->active = active;
1606 }
1607
1509 ev_stop (EV_A_ (W)w); 1608 ev_stop (EV_A_ (W)w);
1510} 1609}
1511 1610
1512void 1611void
1513ev_check_start (EV_P_ struct ev_check *w) 1612ev_check_start (EV_P_ ev_check *w)
1514{ 1613{
1515 if (ev_is_active (w)) 1614 if (expect_false (ev_is_active (w)))
1516 return; 1615 return;
1517 1616
1518 ev_start (EV_A_ (W)w, ++checkcnt); 1617 ev_start (EV_A_ (W)w, ++checkcnt);
1519 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); 1618 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1520 checks [checkcnt - 1] = w; 1619 checks [checkcnt - 1] = w;
1521} 1620}
1522 1621
1523void 1622void
1524ev_check_stop (EV_P_ struct ev_check *w) 1623ev_check_stop (EV_P_ ev_check *w)
1525{ 1624{
1526 ev_clear_pending (EV_A_ (W)w); 1625 ev_clear_pending (EV_A_ (W)w);
1527 if (!ev_is_active (w)) 1626 if (expect_false (!ev_is_active (w)))
1528 return; 1627 return;
1529 1628
1629 {
1630 int active = ((W)w)->active;
1530 checks [((W)w)->active - 1] = checks [--checkcnt]; 1631 checks [active - 1] = checks [--checkcnt];
1632 ((W)checks [active - 1])->active = active;
1633 }
1634
1531 ev_stop (EV_A_ (W)w); 1635 ev_stop (EV_A_ (W)w);
1532} 1636}
1533 1637
1534#ifndef SA_RESTART 1638#ifndef SA_RESTART
1535# define SA_RESTART 0 1639# define SA_RESTART 0
1536#endif 1640#endif
1537 1641
1538void 1642void
1539ev_signal_start (EV_P_ struct ev_signal *w) 1643ev_signal_start (EV_P_ ev_signal *w)
1540{ 1644{
1541#if EV_MULTIPLICITY 1645#if EV_MULTIPLICITY
1542 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1646 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1543#endif 1647#endif
1544 if (ev_is_active (w)) 1648 if (expect_false (ev_is_active (w)))
1545 return; 1649 return;
1546 1650
1547 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1651 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1548 1652
1549 ev_start (EV_A_ (W)w, 1); 1653 ev_start (EV_A_ (W)w, 1);
… …
1563#endif 1667#endif
1564 } 1668 }
1565} 1669}
1566 1670
1567void 1671void
1568ev_signal_stop (EV_P_ struct ev_signal *w) 1672ev_signal_stop (EV_P_ ev_signal *w)
1569{ 1673{
1570 ev_clear_pending (EV_A_ (W)w); 1674 ev_clear_pending (EV_A_ (W)w);
1571 if (!ev_is_active (w)) 1675 if (expect_false (!ev_is_active (w)))
1572 return; 1676 return;
1573 1677
1574 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1678 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1575 ev_stop (EV_A_ (W)w); 1679 ev_stop (EV_A_ (W)w);
1576 1680
1577 if (!signals [w->signum - 1].head) 1681 if (!signals [w->signum - 1].head)
1578 signal (w->signum, SIG_DFL); 1682 signal (w->signum, SIG_DFL);
1579} 1683}
1580 1684
1581void 1685void
1582ev_child_start (EV_P_ struct ev_child *w) 1686ev_child_start (EV_P_ ev_child *w)
1583{ 1687{
1584#if EV_MULTIPLICITY 1688#if EV_MULTIPLICITY
1585 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1689 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1586#endif 1690#endif
1587 if (ev_is_active (w)) 1691 if (expect_false (ev_is_active (w)))
1588 return; 1692 return;
1589 1693
1590 ev_start (EV_A_ (W)w, 1); 1694 ev_start (EV_A_ (W)w, 1);
1591 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1695 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1592} 1696}
1593 1697
1594void 1698void
1595ev_child_stop (EV_P_ struct ev_child *w) 1699ev_child_stop (EV_P_ ev_child *w)
1596{ 1700{
1597 ev_clear_pending (EV_A_ (W)w); 1701 ev_clear_pending (EV_A_ (W)w);
1598 if (!ev_is_active (w)) 1702 if (expect_false (!ev_is_active (w)))
1599 return; 1703 return;
1600 1704
1601 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1705 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1602 ev_stop (EV_A_ (W)w); 1706 ev_stop (EV_A_ (W)w);
1603} 1707}
1604 1708
1709#if EV_EMBED_ENABLE
1710void noinline
1711ev_embed_sweep (EV_P_ ev_embed *w)
1712{
1713 ev_loop (w->loop, EVLOOP_NONBLOCK);
1714}
1715
1716static void
1717embed_cb (EV_P_ ev_io *io, int revents)
1718{
1719 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
1720
1721 if (ev_cb (w))
1722 ev_feed_event (EV_A_ (W)w, EV_EMBED);
1723 else
1724 ev_embed_sweep (loop, w);
1725}
1726
1727void
1728ev_embed_start (EV_P_ ev_embed *w)
1729{
1730 if (expect_false (ev_is_active (w)))
1731 return;
1732
1733 {
1734 struct ev_loop *loop = w->loop;
1735 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
1736 ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);
1737 }
1738
1739 ev_set_priority (&w->io, ev_priority (w));
1740 ev_io_start (EV_A_ &w->io);
1741
1742 ev_start (EV_A_ (W)w, 1);
1743}
1744
1745void
1746ev_embed_stop (EV_P_ ev_embed *w)
1747{
1748 ev_clear_pending (EV_A_ (W)w);
1749 if (expect_false (!ev_is_active (w)))
1750 return;
1751
1752 ev_io_stop (EV_A_ &w->io);
1753
1754 ev_stop (EV_A_ (W)w);
1755}
1756#endif
1757
1758#if EV_STAT_ENABLE
1759
1760# ifdef _WIN32
1761# define lstat(a,b) stat(a,b)
1762# endif
1763
1764void
1765ev_stat_stat (EV_P_ ev_stat *w)
1766{
1767 if (lstat (w->path, &w->attr) < 0)
1768 w->attr.st_nlink = 0;
1769 else if (!w->attr.st_nlink)
1770 w->attr.st_nlink = 1;
1771}
1772
1773static void
1774stat_timer_cb (EV_P_ ev_timer *w_, int revents)
1775{
1776 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
1777
1778 /* we copy this here each the time so that */
1779 /* prev has the old value when the callback gets invoked */
1780 w->prev = w->attr;
1781 ev_stat_stat (EV_A_ w);
1782
1783 if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
1784 ev_feed_event (EV_A_ w, EV_STAT);
1785}
1786
1787void
1788ev_stat_start (EV_P_ ev_stat *w)
1789{
1790 if (expect_false (ev_is_active (w)))
1791 return;
1792
1793 /* since we use memcmp, we need to clear any padding data etc. */
1794 memset (&w->prev, 0, sizeof (ev_statdata));
1795 memset (&w->attr, 0, sizeof (ev_statdata));
1796
1797 ev_stat_stat (EV_A_ w);
1798
1799 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
1800 ev_set_priority (&w->timer, ev_priority (w));
1801 ev_timer_start (EV_A_ &w->timer);
1802
1803 ev_start (EV_A_ (W)w, 1);
1804}
1805
1806void
1807ev_stat_stop (EV_P_ ev_stat *w)
1808{
1809 ev_clear_pending (EV_A_ (W)w);
1810 if (expect_false (!ev_is_active (w)))
1811 return;
1812
1813 ev_timer_stop (EV_A_ &w->timer);
1814
1815 ev_stop (EV_A_ (W)w);
1816}
1817#endif
1818
1605/*****************************************************************************/ 1819/*****************************************************************************/
1606 1820
1607struct ev_once 1821struct ev_once
1608{ 1822{
1609 struct ev_io io; 1823 ev_io io;
1610 struct ev_timer to; 1824 ev_timer to;
1611 void (*cb)(int revents, void *arg); 1825 void (*cb)(int revents, void *arg);
1612 void *arg; 1826 void *arg;
1613}; 1827};
1614 1828
1615static void 1829static void
… …
1624 1838
1625 cb (revents, arg); 1839 cb (revents, arg);
1626} 1840}
1627 1841
1628static void 1842static void
1629once_cb_io (EV_P_ struct ev_io *w, int revents) 1843once_cb_io (EV_P_ ev_io *w, int revents)
1630{ 1844{
1631 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 1845 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);
1632} 1846}
1633 1847
1634static void 1848static void
1635once_cb_to (EV_P_ struct ev_timer *w, int revents) 1849once_cb_to (EV_P_ ev_timer *w, int revents)
1636{ 1850{
1637 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 1851 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);
1638} 1852}
1639 1853
1640void 1854void
1641ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1855ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1642{ 1856{
1643 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 1857 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1644 1858
1645 if (!once) 1859 if (expect_false (!once))
1860 {
1646 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1861 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1647 else 1862 return;
1648 { 1863 }
1864
1649 once->cb = cb; 1865 once->cb = cb;
1650 once->arg = arg; 1866 once->arg = arg;
1651 1867
1652 ev_init (&once->io, once_cb_io); 1868 ev_init (&once->io, once_cb_io);
1653 if (fd >= 0) 1869 if (fd >= 0)
1654 { 1870 {
1655 ev_io_set (&once->io, fd, events); 1871 ev_io_set (&once->io, fd, events);
1656 ev_io_start (EV_A_ &once->io); 1872 ev_io_start (EV_A_ &once->io);
1657 } 1873 }
1658 1874
1659 ev_init (&once->to, once_cb_to); 1875 ev_init (&once->to, once_cb_to);
1660 if (timeout >= 0.) 1876 if (timeout >= 0.)
1661 { 1877 {
1662 ev_timer_set (&once->to, timeout, 0.); 1878 ev_timer_set (&once->to, timeout, 0.);
1663 ev_timer_start (EV_A_ &once->to); 1879 ev_timer_start (EV_A_ &once->to);
1664 }
1665 } 1880 }
1666} 1881}
1667 1882
1668#ifdef __cplusplus 1883#ifdef __cplusplus
1669} 1884}

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