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Comparing libev/ev.c (file contents):
Revision 1.97 by root, Sun Nov 11 01:53:07 2007 UTC vs.
Revision 1.128 by root, Thu Nov 22 12:28:27 2007 UTC

… …
41# define EV_USE_MONOTONIC 1 41# define EV_USE_MONOTONIC 1
42# endif 42# endif
43# ifndef EV_USE_REALTIME 43# ifndef EV_USE_REALTIME
44# define EV_USE_REALTIME 1 44# define EV_USE_REALTIME 1
45# endif 45# endif
46# else
47# ifndef EV_USE_MONOTONIC
48# define EV_USE_MONOTONIC 0
49# endif
50# ifndef EV_USE_REALTIME
51# define EV_USE_REALTIME 0
52# endif
46# endif 53# endif
47 54
48# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) 55# ifndef EV_USE_SELECT
56# if HAVE_SELECT && HAVE_SYS_SELECT_H
49# define EV_USE_SELECT 1 57# define EV_USE_SELECT 1
58# else
59# define EV_USE_SELECT 0
60# endif
50# endif 61# endif
51 62
52# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) 63# ifndef EV_USE_POLL
64# if HAVE_POLL && HAVE_POLL_H
53# define EV_USE_POLL 1 65# define EV_USE_POLL 1
66# else
67# define EV_USE_POLL 0
68# endif
54# endif 69# endif
55 70
56# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) 71# ifndef EV_USE_EPOLL
72# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
57# define EV_USE_EPOLL 1 73# define EV_USE_EPOLL 1
74# else
75# define EV_USE_EPOLL 0
76# endif
58# endif 77# endif
59 78
79# ifndef EV_USE_KQUEUE
60# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) 80# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
61# define EV_USE_KQUEUE 1 81# define EV_USE_KQUEUE 1
82# else
83# define EV_USE_KQUEUE 0
84# endif
85# endif
86
87# ifndef EV_USE_PORT
88# if HAVE_PORT_H && HAVE_PORT_CREATE
89# define EV_USE_PORT 1
90# else
91# define EV_USE_PORT 0
92# endif
62# endif 93# endif
63 94
64#endif 95#endif
65 96
66#include <math.h> 97#include <math.h>
… …
75#include <sys/types.h> 106#include <sys/types.h>
76#include <time.h> 107#include <time.h>
77 108
78#include <signal.h> 109#include <signal.h>
79 110
80#ifndef WIN32 111#ifndef _WIN32
81# include <unistd.h> 112# include <unistd.h>
82# include <sys/time.h> 113# include <sys/time.h>
83# include <sys/wait.h> 114# include <sys/wait.h>
115#else
116# define WIN32_LEAN_AND_MEAN
117# include <windows.h>
118# ifndef EV_SELECT_IS_WINSOCKET
119# define EV_SELECT_IS_WINSOCKET 1
84#endif 120# endif
121#endif
122
85/**/ 123/**/
86 124
87#ifndef EV_USE_MONOTONIC 125#ifndef EV_USE_MONOTONIC
88# define EV_USE_MONOTONIC 1 126# define EV_USE_MONOTONIC 0
127#endif
128
129#ifndef EV_USE_REALTIME
130# define EV_USE_REALTIME 0
89#endif 131#endif
90 132
91#ifndef EV_USE_SELECT 133#ifndef EV_USE_SELECT
92# define EV_USE_SELECT 1 134# define EV_USE_SELECT 1
93#endif 135#endif
94 136
95#ifndef EV_USE_POLL 137#ifndef EV_USE_POLL
96# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ 138# ifdef _WIN32
139# define EV_USE_POLL 0
140# else
141# define EV_USE_POLL 1
142# endif
97#endif 143#endif
98 144
99#ifndef EV_USE_EPOLL 145#ifndef EV_USE_EPOLL
100# define EV_USE_EPOLL 0 146# define EV_USE_EPOLL 0
101#endif 147#endif
102 148
103#ifndef EV_USE_KQUEUE 149#ifndef EV_USE_KQUEUE
104# define EV_USE_KQUEUE 0 150# define EV_USE_KQUEUE 0
105#endif 151#endif
106 152
107#ifndef EV_USE_WIN32
108# ifdef WIN32
109# define EV_USE_WIN32 0 /* it does not exist, use select */
110# undef EV_USE_SELECT
111# define EV_USE_SELECT 1
112# else
113# define EV_USE_WIN32 0
114# endif
115#endif
116
117#ifndef EV_USE_REALTIME 153#ifndef EV_USE_PORT
118# define EV_USE_REALTIME 1 154# define EV_USE_PORT 0
119#endif 155#endif
120 156
121/**/ 157/**/
158
159/* darwin simply cannot be helped */
160#ifdef __APPLE__
161# undef EV_USE_POLL
162# undef EV_USE_KQUEUE
163#endif
122 164
123#ifndef CLOCK_MONOTONIC 165#ifndef CLOCK_MONOTONIC
124# undef EV_USE_MONOTONIC 166# undef EV_USE_MONOTONIC
125# define EV_USE_MONOTONIC 0 167# define EV_USE_MONOTONIC 0
126#endif 168#endif
… …
128#ifndef CLOCK_REALTIME 170#ifndef CLOCK_REALTIME
129# undef EV_USE_REALTIME 171# undef EV_USE_REALTIME
130# define EV_USE_REALTIME 0 172# define EV_USE_REALTIME 0
131#endif 173#endif
132 174
175#if EV_SELECT_IS_WINSOCKET
176# include <winsock.h>
177#endif
178
133/**/ 179/**/
134 180
135#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 181#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
136#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ 182#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
137#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ 183#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
138/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ 184/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */
139 185
140#ifdef EV_H 186#ifdef EV_H
141# include EV_H 187# include EV_H
142#else 188#else
143# include "ev.h" 189# include "ev.h"
144#endif 190#endif
145 191
146#if __GNUC__ >= 3 192#if __GNUC__ >= 3
147# define expect(expr,value) __builtin_expect ((expr),(value)) 193# define expect(expr,value) __builtin_expect ((expr),(value))
148# define inline inline 194# define inline static inline
149#else 195#else
150# define expect(expr,value) (expr) 196# define expect(expr,value) (expr)
151# define inline static 197# define inline static
152#endif 198#endif
153 199
… …
155#define expect_true(expr) expect ((expr) != 0, 1) 201#define expect_true(expr) expect ((expr) != 0, 1)
156 202
157#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 203#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
158#define ABSPRI(w) ((w)->priority - EV_MINPRI) 204#define ABSPRI(w) ((w)->priority - EV_MINPRI)
159 205
206#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
207#define EMPTY2(a,b) /* used to suppress some warnings */
208
160typedef struct ev_watcher *W; 209typedef struct ev_watcher *W;
161typedef struct ev_watcher_list *WL; 210typedef struct ev_watcher_list *WL;
162typedef struct ev_watcher_time *WT; 211typedef struct ev_watcher_time *WT;
163 212
164static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 213static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
165 214
215#ifdef _WIN32
166#include "ev_win32.c" 216# include "ev_win32.c"
217#endif
167 218
168/*****************************************************************************/ 219/*****************************************************************************/
169 220
170static void (*syserr_cb)(const char *msg); 221static void (*syserr_cb)(const char *msg);
171 222
… …
218typedef struct 269typedef struct
219{ 270{
220 WL head; 271 WL head;
221 unsigned char events; 272 unsigned char events;
222 unsigned char reify; 273 unsigned char reify;
274#if EV_SELECT_IS_WINSOCKET
275 SOCKET handle;
276#endif
223} ANFD; 277} ANFD;
224 278
225typedef struct 279typedef struct
226{ 280{
227 W w; 281 W w;
… …
231#if EV_MULTIPLICITY 285#if EV_MULTIPLICITY
232 286
233 struct ev_loop 287 struct ev_loop
234 { 288 {
235 ev_tstamp ev_rt_now; 289 ev_tstamp ev_rt_now;
290 #define ev_rt_now ((loop)->ev_rt_now)
236 #define VAR(name,decl) decl; 291 #define VAR(name,decl) decl;
237 #include "ev_vars.h" 292 #include "ev_vars.h"
238 #undef VAR 293 #undef VAR
239 }; 294 };
240 #include "ev_wrap.h" 295 #include "ev_wrap.h"
241 296
242 struct ev_loop default_loop_struct; 297 static struct ev_loop default_loop_struct;
243 static struct ev_loop *default_loop; 298 struct ev_loop *ev_default_loop_ptr;
244 299
245#else 300#else
246 301
247 ev_tstamp ev_rt_now; 302 ev_tstamp ev_rt_now;
248 #define VAR(name,decl) static decl; 303 #define VAR(name,decl) static decl;
249 #include "ev_vars.h" 304 #include "ev_vars.h"
250 #undef VAR 305 #undef VAR
251 306
252 static int default_loop; 307 static int ev_default_loop_ptr;
253 308
254#endif 309#endif
255 310
256/*****************************************************************************/ 311/*****************************************************************************/
257 312
… …
290{ 345{
291 return ev_rt_now; 346 return ev_rt_now;
292} 347}
293#endif 348#endif
294 349
295#define array_roundsize(type,n) ((n) | 4 & ~3) 350#define array_roundsize(type,n) (((n) | 4) & ~3)
296 351
297#define array_needsize(type,base,cur,cnt,init) \ 352#define array_needsize(type,base,cur,cnt,init) \
298 if (expect_false ((cnt) > cur)) \ 353 if (expect_false ((cnt) > cur)) \
299 { \ 354 { \
300 int newcnt = cur; \ 355 int newcnt = cur; \
… …
315 stem ## max = array_roundsize (stem ## cnt >> 1); \ 370 stem ## max = array_roundsize (stem ## cnt >> 1); \
316 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ 371 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
317 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 372 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
318 } 373 }
319 374
320/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
321/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
322#define array_free_microshit(stem) \
323 ev_free (stem ## s); stem ## cnt = stem ## max = 0;
324
325#define array_free(stem, idx) \ 375#define array_free(stem, idx) \
326 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 376 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
327 377
328/*****************************************************************************/ 378/*****************************************************************************/
329 379
… …
343void 393void
344ev_feed_event (EV_P_ void *w, int revents) 394ev_feed_event (EV_P_ void *w, int revents)
345{ 395{
346 W w_ = (W)w; 396 W w_ = (W)w;
347 397
348 if (w_->pending) 398 if (expect_false (w_->pending))
349 { 399 {
350 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 400 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
351 return; 401 return;
352 } 402 }
353 403
354 w_->pending = ++pendingcnt [ABSPRI (w_)]; 404 w_->pending = ++pendingcnt [ABSPRI (w_)];
355 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); 405 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
356 pendings [ABSPRI (w_)][w_->pending - 1].w = w_; 406 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
357 pendings [ABSPRI (w_)][w_->pending - 1].events = revents; 407 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
358} 408}
359 409
360static void 410static void
… …
387 fd_event (EV_A_ fd, revents); 437 fd_event (EV_A_ fd, revents);
388} 438}
389 439
390/*****************************************************************************/ 440/*****************************************************************************/
391 441
392static void 442inline void
393fd_reify (EV_P) 443fd_reify (EV_P)
394{ 444{
395 int i; 445 int i;
396 446
397 for (i = 0; i < fdchangecnt; ++i) 447 for (i = 0; i < fdchangecnt; ++i)
… …
403 int events = 0; 453 int events = 0;
404 454
405 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 455 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
406 events |= w->events; 456 events |= w->events;
407 457
458#if EV_SELECT_IS_WINSOCKET
459 if (events)
460 {
461 unsigned long argp;
462 anfd->handle = _get_osfhandle (fd);
463 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
464 }
465#endif
466
408 anfd->reify = 0; 467 anfd->reify = 0;
409 468
410 method_modify (EV_A_ fd, anfd->events, events); 469 method_modify (EV_A_ fd, anfd->events, events);
411 anfd->events = events; 470 anfd->events = events;
412 } 471 }
… …
415} 474}
416 475
417static void 476static void
418fd_change (EV_P_ int fd) 477fd_change (EV_P_ int fd)
419{ 478{
420 if (anfds [fd].reify) 479 if (expect_false (anfds [fd].reify))
421 return; 480 return;
422 481
423 anfds [fd].reify = 1; 482 anfds [fd].reify = 1;
424 483
425 ++fdchangecnt; 484 ++fdchangecnt;
426 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); 485 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
427 fdchanges [fdchangecnt - 1] = fd; 486 fdchanges [fdchangecnt - 1] = fd;
428} 487}
429 488
430static void 489static void
431fd_kill (EV_P_ int fd) 490fd_kill (EV_P_ int fd)
… …
437 ev_io_stop (EV_A_ w); 496 ev_io_stop (EV_A_ w);
438 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 497 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
439 } 498 }
440} 499}
441 500
442static int 501inline int
443fd_valid (int fd) 502fd_valid (int fd)
444{ 503{
445#ifdef WIN32 504#ifdef _WIN32
446 return !!win32_get_osfhandle (fd); 505 return _get_osfhandle (fd) != -1;
447#else 506#else
448 return fcntl (fd, F_GETFD) != -1; 507 return fcntl (fd, F_GETFD) != -1;
449#endif 508#endif
450} 509}
451 510
… …
532 heap [k] = w; 591 heap [k] = w;
533 ((W)heap [k])->active = k + 1; 592 ((W)heap [k])->active = k + 1;
534} 593}
535 594
536inline void 595inline void
537adjustheap (WT *heap, int N, int k, ev_tstamp at) 596adjustheap (WT *heap, int N, int k)
538{ 597{
539 ev_tstamp old_at = heap [k]->at; 598 upheap (heap, k);
540 heap [k]->at = at;
541
542 if (old_at < at)
543 downheap (heap, N, k); 599 downheap (heap, N, k);
544 else
545 upheap (heap, k);
546} 600}
547 601
548/*****************************************************************************/ 602/*****************************************************************************/
549 603
550typedef struct 604typedef struct
… …
573} 627}
574 628
575static void 629static void
576sighandler (int signum) 630sighandler (int signum)
577{ 631{
578#if WIN32 632#if _WIN32
579 signal (signum, sighandler); 633 signal (signum, sighandler);
580#endif 634#endif
581 635
582 signals [signum - 1].gotsig = 1; 636 signals [signum - 1].gotsig = 1;
583 637
584 if (!gotsig) 638 if (!gotsig)
585 { 639 {
586 int old_errno = errno; 640 int old_errno = errno;
587 gotsig = 1; 641 gotsig = 1;
588#ifdef WIN32
589 send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
590#else
591 write (sigpipe [1], &signum, 1); 642 write (sigpipe [1], &signum, 1);
592#endif
593 errno = old_errno; 643 errno = old_errno;
594 } 644 }
595} 645}
596 646
597void 647void
598ev_feed_signal_event (EV_P_ int signum) 648ev_feed_signal_event (EV_P_ int signum)
599{ 649{
600 WL w; 650 WL w;
601 651
602#if EV_MULTIPLICITY 652#if EV_MULTIPLICITY
603 assert (("feeding signal events is only supported in the default loop", loop == default_loop)); 653 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
604#endif 654#endif
605 655
606 --signum; 656 --signum;
607 657
608 if (signum < 0 || signum >= signalmax) 658 if (signum < 0 || signum >= signalmax)
… …
617static void 667static void
618sigcb (EV_P_ struct ev_io *iow, int revents) 668sigcb (EV_P_ struct ev_io *iow, int revents)
619{ 669{
620 int signum; 670 int signum;
621 671
622#ifdef WIN32
623 recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
624#else
625 read (sigpipe [0], &revents, 1); 672 read (sigpipe [0], &revents, 1);
626#endif
627 gotsig = 0; 673 gotsig = 0;
628 674
629 for (signum = signalmax; signum--; ) 675 for (signum = signalmax; signum--; )
630 if (signals [signum].gotsig) 676 if (signals [signum].gotsig)
631 ev_feed_signal_event (EV_A_ signum + 1); 677 ev_feed_signal_event (EV_A_ signum + 1);
632} 678}
633 679
634static void 680static void
681fd_intern (int fd)
682{
683#ifdef _WIN32
684 int arg = 1;
685 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
686#else
687 fcntl (fd, F_SETFD, FD_CLOEXEC);
688 fcntl (fd, F_SETFL, O_NONBLOCK);
689#endif
690}
691
692static void
635siginit (EV_P) 693siginit (EV_P)
636{ 694{
637#ifndef WIN32 695 fd_intern (sigpipe [0]);
638 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 696 fd_intern (sigpipe [1]);
639 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
640
641 /* rather than sort out wether we really need nb, set it */
642 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
643 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
644#endif
645 697
646 ev_io_set (&sigev, sigpipe [0], EV_READ); 698 ev_io_set (&sigev, sigpipe [0], EV_READ);
647 ev_io_start (EV_A_ &sigev); 699 ev_io_start (EV_A_ &sigev);
648 ev_unref (EV_A); /* child watcher should not keep loop alive */ 700 ev_unref (EV_A); /* child watcher should not keep loop alive */
649} 701}
650 702
651/*****************************************************************************/ 703/*****************************************************************************/
652 704
653static struct ev_child *childs [PID_HASHSIZE]; 705static struct ev_child *childs [PID_HASHSIZE];
654 706
655#ifndef WIN32 707#ifndef _WIN32
656 708
657static struct ev_signal childev; 709static struct ev_signal childev;
658 710
659#ifndef WCONTINUED 711#ifndef WCONTINUED
660# define WCONTINUED 0 712# define WCONTINUED 0
… …
692 744
693#endif 745#endif
694 746
695/*****************************************************************************/ 747/*****************************************************************************/
696 748
749#if EV_USE_PORT
750# include "ev_port.c"
751#endif
697#if EV_USE_KQUEUE 752#if EV_USE_KQUEUE
698# include "ev_kqueue.c" 753# include "ev_kqueue.c"
699#endif 754#endif
700#if EV_USE_EPOLL 755#if EV_USE_EPOLL
701# include "ev_epoll.c" 756# include "ev_epoll.c"
… …
721 776
722/* return true if we are running with elevated privileges and should ignore env variables */ 777/* return true if we are running with elevated privileges and should ignore env variables */
723static int 778static int
724enable_secure (void) 779enable_secure (void)
725{ 780{
726#ifdef WIN32 781#ifdef _WIN32
727 return 0; 782 return 0;
728#else 783#else
729 return getuid () != geteuid () 784 return getuid () != geteuid ()
730 || getgid () != getegid (); 785 || getgid () != getegid ();
731#endif 786#endif
732} 787}
733 788
734int 789unsigned int
735ev_method (EV_P) 790ev_method (EV_P)
736{ 791{
737 return method; 792 return method;
738} 793}
739 794
740static void 795static void
741loop_init (EV_P_ int methods) 796loop_init (EV_P_ unsigned int flags)
742{ 797{
743 if (!method) 798 if (!method)
744 { 799 {
745#if EV_USE_MONOTONIC 800#if EV_USE_MONOTONIC
746 { 801 {
… …
753 ev_rt_now = ev_time (); 808 ev_rt_now = ev_time ();
754 mn_now = get_clock (); 809 mn_now = get_clock ();
755 now_floor = mn_now; 810 now_floor = mn_now;
756 rtmn_diff = ev_rt_now - mn_now; 811 rtmn_diff = ev_rt_now - mn_now;
757 812
758 if (methods == EVMETHOD_AUTO) 813 if (!(flags & EVFLAG_NOENV)
759 if (!enable_secure () && getenv ("LIBEV_METHODS")) 814 && !enable_secure ()
815 && getenv ("LIBEV_FLAGS"))
760 methods = atoi (getenv ("LIBEV_METHODS")); 816 flags = atoi (getenv ("LIBEV_FLAGS"));
817
818 if (!(flags & EVMETHOD_ALL))
761 else 819 {
762 methods = EVMETHOD_ANY; 820 flags |= EVMETHOD_ALL;
821#if EV_USE_KQUEUE && !defined (__NetBSD__)
822 /* kqueue is borked on everything but netbsd apparently */
823 /* it usually doesn't work correctly on anything but sockets and pipes */
824 flags &= ~EVMETHOD_KQUEUE;
825#endif
826 }
763 827
764 method = 0; 828 method = 0;
765#if EV_USE_WIN32 829#if EV_USE_PORT
766 if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); 830 if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
767#endif 831#endif
768#if EV_USE_KQUEUE 832#if EV_USE_KQUEUE
769 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 833 if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
770#endif 834#endif
771#if EV_USE_EPOLL 835#if EV_USE_EPOLL
772 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 836 if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
773#endif 837#endif
774#if EV_USE_POLL 838#if EV_USE_POLL
775 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 839 if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
776#endif 840#endif
777#if EV_USE_SELECT 841#if EV_USE_SELECT
778 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 842 if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
779#endif 843#endif
780 844
781 ev_init (&sigev, sigcb); 845 ev_init (&sigev, sigcb);
782 ev_set_priority (&sigev, EV_MAXPRI); 846 ev_set_priority (&sigev, EV_MAXPRI);
783 } 847 }
784} 848}
785 849
786void 850static void
787loop_destroy (EV_P) 851loop_destroy (EV_P)
788{ 852{
789 int i; 853 int i;
790 854
791#if EV_USE_WIN32 855#if EV_USE_PORT
792 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); 856 if (method == EVMETHOD_PORT ) port_destroy (EV_A);
793#endif 857#endif
794#if EV_USE_KQUEUE 858#if EV_USE_KQUEUE
795 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); 859 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
796#endif 860#endif
797#if EV_USE_EPOLL 861#if EV_USE_EPOLL
… …
806 870
807 for (i = NUMPRI; i--; ) 871 for (i = NUMPRI; i--; )
808 array_free (pending, [i]); 872 array_free (pending, [i]);
809 873
810 /* have to use the microsoft-never-gets-it-right macro */ 874 /* have to use the microsoft-never-gets-it-right macro */
811 array_free_microshit (fdchange); 875 array_free (fdchange, EMPTY0);
812 array_free_microshit (timer); 876 array_free (timer, EMPTY0);
813#if EV_PERIODICS 877#if EV_PERIODICS
814 array_free_microshit (periodic); 878 array_free (periodic, EMPTY0);
815#endif 879#endif
816 array_free_microshit (idle); 880 array_free (idle, EMPTY0);
817 array_free_microshit (prepare); 881 array_free (prepare, EMPTY0);
818 array_free_microshit (check); 882 array_free (check, EMPTY0);
819 883
820 method = 0; 884 method = 0;
821} 885}
822 886
823static void 887static void
824loop_fork (EV_P) 888loop_fork (EV_P)
825{ 889{
890#if EV_USE_PORT
891 if (method == EVMETHOD_PORT ) port_fork (EV_A);
892#endif
893#if EV_USE_KQUEUE
894 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
895#endif
826#if EV_USE_EPOLL 896#if EV_USE_EPOLL
827 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); 897 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
828#endif
829#if EV_USE_KQUEUE
830 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
831#endif 898#endif
832 899
833 if (ev_is_active (&sigev)) 900 if (ev_is_active (&sigev))
834 { 901 {
835 /* default loop */ 902 /* default loop */
… …
848 postfork = 0; 915 postfork = 0;
849} 916}
850 917
851#if EV_MULTIPLICITY 918#if EV_MULTIPLICITY
852struct ev_loop * 919struct ev_loop *
853ev_loop_new (int methods) 920ev_loop_new (unsigned int flags)
854{ 921{
855 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 922 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
856 923
857 memset (loop, 0, sizeof (struct ev_loop)); 924 memset (loop, 0, sizeof (struct ev_loop));
858 925
859 loop_init (EV_A_ methods); 926 loop_init (EV_A_ flags);
860 927
861 if (ev_method (EV_A)) 928 if (ev_method (EV_A))
862 return loop; 929 return loop;
863 930
864 return 0; 931 return 0;
… …
879 946
880#endif 947#endif
881 948
882#if EV_MULTIPLICITY 949#if EV_MULTIPLICITY
883struct ev_loop * 950struct ev_loop *
951ev_default_loop_init (unsigned int flags)
884#else 952#else
885int 953int
954ev_default_loop (unsigned int flags)
886#endif 955#endif
887ev_default_loop (int methods)
888{ 956{
889 if (sigpipe [0] == sigpipe [1]) 957 if (sigpipe [0] == sigpipe [1])
890 if (pipe (sigpipe)) 958 if (pipe (sigpipe))
891 return 0; 959 return 0;
892 960
893 if (!default_loop) 961 if (!ev_default_loop_ptr)
894 { 962 {
895#if EV_MULTIPLICITY 963#if EV_MULTIPLICITY
896 struct ev_loop *loop = default_loop = &default_loop_struct; 964 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
897#else 965#else
898 default_loop = 1; 966 ev_default_loop_ptr = 1;
899#endif 967#endif
900 968
901 loop_init (EV_A_ methods); 969 loop_init (EV_A_ flags);
902 970
903 if (ev_method (EV_A)) 971 if (ev_method (EV_A))
904 { 972 {
905 siginit (EV_A); 973 siginit (EV_A);
906 974
907#ifndef WIN32 975#ifndef _WIN32
908 ev_signal_init (&childev, childcb, SIGCHLD); 976 ev_signal_init (&childev, childcb, SIGCHLD);
909 ev_set_priority (&childev, EV_MAXPRI); 977 ev_set_priority (&childev, EV_MAXPRI);
910 ev_signal_start (EV_A_ &childev); 978 ev_signal_start (EV_A_ &childev);
911 ev_unref (EV_A); /* child watcher should not keep loop alive */ 979 ev_unref (EV_A); /* child watcher should not keep loop alive */
912#endif 980#endif
913 } 981 }
914 else 982 else
915 default_loop = 0; 983 ev_default_loop_ptr = 0;
916 } 984 }
917 985
918 return default_loop; 986 return ev_default_loop_ptr;
919} 987}
920 988
921void 989void
922ev_default_destroy (void) 990ev_default_destroy (void)
923{ 991{
924#if EV_MULTIPLICITY 992#if EV_MULTIPLICITY
925 struct ev_loop *loop = default_loop; 993 struct ev_loop *loop = ev_default_loop_ptr;
926#endif 994#endif
927 995
928#ifndef WIN32 996#ifndef _WIN32
929 ev_ref (EV_A); /* child watcher */ 997 ev_ref (EV_A); /* child watcher */
930 ev_signal_stop (EV_A_ &childev); 998 ev_signal_stop (EV_A_ &childev);
931#endif 999#endif
932 1000
933 ev_ref (EV_A); /* signal watcher */ 1001 ev_ref (EV_A); /* signal watcher */
… …
941 1009
942void 1010void
943ev_default_fork (void) 1011ev_default_fork (void)
944{ 1012{
945#if EV_MULTIPLICITY 1013#if EV_MULTIPLICITY
946 struct ev_loop *loop = default_loop; 1014 struct ev_loop *loop = ev_default_loop_ptr;
947#endif 1015#endif
948 1016
949 if (method) 1017 if (method)
950 postfork = 1; 1018 postfork = 1;
951} 1019}
… …
962 return 1; 1030 return 1;
963 1031
964 return 0; 1032 return 0;
965} 1033}
966 1034
967static void 1035inline void
968call_pending (EV_P) 1036call_pending (EV_P)
969{ 1037{
970 int pri; 1038 int pri;
971 1039
972 for (pri = NUMPRI; pri--; ) 1040 for (pri = NUMPRI; pri--; )
973 while (pendingcnt [pri]) 1041 while (pendingcnt [pri])
974 { 1042 {
975 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1043 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
976 1044
977 if (p->w) 1045 if (expect_true (p->w))
978 { 1046 {
979 p->w->pending = 0; 1047 p->w->pending = 0;
980 EV_CB_INVOKE (p->w, p->events); 1048 EV_CB_INVOKE (p->w, p->events);
981 } 1049 }
982 } 1050 }
983} 1051}
984 1052
985static void 1053inline void
986timers_reify (EV_P) 1054timers_reify (EV_P)
987{ 1055{
988 while (timercnt && ((WT)timers [0])->at <= mn_now) 1056 while (timercnt && ((WT)timers [0])->at <= mn_now)
989 { 1057 {
990 struct ev_timer *w = timers [0]; 1058 struct ev_timer *w = timers [0];
… …
1008 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1076 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1009 } 1077 }
1010} 1078}
1011 1079
1012#if EV_PERIODICS 1080#if EV_PERIODICS
1013static void 1081inline void
1014periodics_reify (EV_P) 1082periodics_reify (EV_P)
1015{ 1083{
1016 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1084 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1017 { 1085 {
1018 struct ev_periodic *w = periodics [0]; 1086 struct ev_periodic *w = periodics [0];
… …
1020 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1088 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1021 1089
1022 /* first reschedule or stop timer */ 1090 /* first reschedule or stop timer */
1023 if (w->reschedule_cb) 1091 if (w->reschedule_cb)
1024 { 1092 {
1025 ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); 1093 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1026
1027 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1094 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1028 downheap ((WT *)periodics, periodiccnt, 0); 1095 downheap ((WT *)periodics, periodiccnt, 0);
1029 } 1096 }
1030 else if (w->interval) 1097 else if (w->interval)
1031 { 1098 {
… …
1078 ev_rt_now = ev_time (); 1145 ev_rt_now = ev_time ();
1079 return 1; 1146 return 1;
1080 } 1147 }
1081} 1148}
1082 1149
1083static void 1150inline void
1084time_update (EV_P) 1151time_update (EV_P)
1085{ 1152{
1086 int i; 1153 int i;
1087 1154
1088#if EV_USE_MONOTONIC 1155#if EV_USE_MONOTONIC
… …
1149ev_loop (EV_P_ int flags) 1216ev_loop (EV_P_ int flags)
1150{ 1217{
1151 double block; 1218 double block;
1152 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; 1219 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
1153 1220
1154 do 1221 while (activecnt)
1155 { 1222 {
1156 /* queue check watchers (and execute them) */ 1223 /* queue check watchers (and execute them) */
1157 if (expect_false (preparecnt)) 1224 if (expect_false (preparecnt))
1158 { 1225 {
1159 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1226 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
… …
1199 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; 1266 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1200 if (block > to) block = to; 1267 if (block > to) block = to;
1201 } 1268 }
1202#endif 1269#endif
1203 1270
1204 if (block < 0.) block = 0.; 1271 if (expect_false (block < 0.)) block = 0.;
1205 } 1272 }
1206 1273
1207 method_poll (EV_A_ block); 1274 method_poll (EV_A_ block);
1208 1275
1209 /* update ev_rt_now, do magic */ 1276 /* update ev_rt_now, do magic */
… …
1218 /* queue idle watchers unless io or timers are pending */ 1285 /* queue idle watchers unless io or timers are pending */
1219 if (idlecnt && !any_pending (EV_A)) 1286 if (idlecnt && !any_pending (EV_A))
1220 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1287 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1221 1288
1222 /* queue check watchers, to be executed first */ 1289 /* queue check watchers, to be executed first */
1223 if (checkcnt) 1290 if (expect_false (checkcnt))
1224 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1291 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1225 1292
1226 call_pending (EV_A); 1293 call_pending (EV_A);
1294
1295 if (expect_false (loop_done))
1296 break;
1227 } 1297 }
1228 while (activecnt && !loop_done);
1229 1298
1230 if (loop_done != 2) 1299 if (loop_done != 2)
1231 loop_done = 0; 1300 loop_done = 0;
1232} 1301}
1233 1302
… …
1293void 1362void
1294ev_io_start (EV_P_ struct ev_io *w) 1363ev_io_start (EV_P_ struct ev_io *w)
1295{ 1364{
1296 int fd = w->fd; 1365 int fd = w->fd;
1297 1366
1298 if (ev_is_active (w)) 1367 if (expect_false (ev_is_active (w)))
1299 return; 1368 return;
1300 1369
1301 assert (("ev_io_start called with negative fd", fd >= 0)); 1370 assert (("ev_io_start called with negative fd", fd >= 0));
1302 1371
1303 ev_start (EV_A_ (W)w, 1); 1372 ev_start (EV_A_ (W)w, 1);
… …
1309 1378
1310void 1379void
1311ev_io_stop (EV_P_ struct ev_io *w) 1380ev_io_stop (EV_P_ struct ev_io *w)
1312{ 1381{
1313 ev_clear_pending (EV_A_ (W)w); 1382 ev_clear_pending (EV_A_ (W)w);
1314 if (!ev_is_active (w)) 1383 if (expect_false (!ev_is_active (w)))
1315 return; 1384 return;
1316 1385
1317 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 1386 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1318 1387
1319 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1388 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
… …
1323} 1392}
1324 1393
1325void 1394void
1326ev_timer_start (EV_P_ struct ev_timer *w) 1395ev_timer_start (EV_P_ struct ev_timer *w)
1327{ 1396{
1328 if (ev_is_active (w)) 1397 if (expect_false (ev_is_active (w)))
1329 return; 1398 return;
1330 1399
1331 ((WT)w)->at += mn_now; 1400 ((WT)w)->at += mn_now;
1332 1401
1333 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1402 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1334 1403
1335 ev_start (EV_A_ (W)w, ++timercnt); 1404 ev_start (EV_A_ (W)w, ++timercnt);
1336 array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); 1405 array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1337 timers [timercnt - 1] = w; 1406 timers [timercnt - 1] = w;
1338 upheap ((WT *)timers, timercnt - 1); 1407 upheap ((WT *)timers, timercnt - 1);
1339 1408
1340 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1409 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1341} 1410}
1342 1411
1343void 1412void
1344ev_timer_stop (EV_P_ struct ev_timer *w) 1413ev_timer_stop (EV_P_ struct ev_timer *w)
1345{ 1414{
1346 ev_clear_pending (EV_A_ (W)w); 1415 ev_clear_pending (EV_A_ (W)w);
1347 if (!ev_is_active (w)) 1416 if (expect_false (!ev_is_active (w)))
1348 return; 1417 return;
1349 1418
1350 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1419 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1351 1420
1352 if (((W)w)->active < timercnt--) 1421 if (expect_true (((W)w)->active < timercnt--))
1353 { 1422 {
1354 timers [((W)w)->active - 1] = timers [timercnt]; 1423 timers [((W)w)->active - 1] = timers [timercnt];
1355 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1424 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1356 } 1425 }
1357 1426
1358 ((WT)w)->at -= mn_now; 1427 ((WT)w)->at -= mn_now;
1359 1428
1360 ev_stop (EV_A_ (W)w); 1429 ev_stop (EV_A_ (W)w);
… …
1364ev_timer_again (EV_P_ struct ev_timer *w) 1433ev_timer_again (EV_P_ struct ev_timer *w)
1365{ 1434{
1366 if (ev_is_active (w)) 1435 if (ev_is_active (w))
1367 { 1436 {
1368 if (w->repeat) 1437 if (w->repeat)
1438 {
1439 ((WT)w)->at = mn_now + w->repeat;
1369 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); 1440 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1441 }
1370 else 1442 else
1371 ev_timer_stop (EV_A_ w); 1443 ev_timer_stop (EV_A_ w);
1372 } 1444 }
1373 else if (w->repeat) 1445 else if (w->repeat)
1446 {
1447 w->at = w->repeat;
1374 ev_timer_start (EV_A_ w); 1448 ev_timer_start (EV_A_ w);
1449 }
1375} 1450}
1376 1451
1377#if EV_PERIODICS 1452#if EV_PERIODICS
1378void 1453void
1379ev_periodic_start (EV_P_ struct ev_periodic *w) 1454ev_periodic_start (EV_P_ struct ev_periodic *w)
1380{ 1455{
1381 if (ev_is_active (w)) 1456 if (expect_false (ev_is_active (w)))
1382 return; 1457 return;
1383 1458
1384 if (w->reschedule_cb) 1459 if (w->reschedule_cb)
1385 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1460 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1386 else if (w->interval) 1461 else if (w->interval)
… …
1389 /* this formula differs from the one in periodic_reify because we do not always round up */ 1464 /* this formula differs from the one in periodic_reify because we do not always round up */
1390 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1465 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1391 } 1466 }
1392 1467
1393 ev_start (EV_A_ (W)w, ++periodiccnt); 1468 ev_start (EV_A_ (W)w, ++periodiccnt);
1394 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); 1469 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1395 periodics [periodiccnt - 1] = w; 1470 periodics [periodiccnt - 1] = w;
1396 upheap ((WT *)periodics, periodiccnt - 1); 1471 upheap ((WT *)periodics, periodiccnt - 1);
1397 1472
1398 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1473 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1399} 1474}
1400 1475
1401void 1476void
1402ev_periodic_stop (EV_P_ struct ev_periodic *w) 1477ev_periodic_stop (EV_P_ struct ev_periodic *w)
1403{ 1478{
1404 ev_clear_pending (EV_A_ (W)w); 1479 ev_clear_pending (EV_A_ (W)w);
1405 if (!ev_is_active (w)) 1480 if (expect_false (!ev_is_active (w)))
1406 return; 1481 return;
1407 1482
1408 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1483 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1409 1484
1410 if (((W)w)->active < periodiccnt--) 1485 if (expect_true (((W)w)->active < periodiccnt--))
1411 { 1486 {
1412 periodics [((W)w)->active - 1] = periodics [periodiccnt]; 1487 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1413 downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); 1488 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1414 } 1489 }
1415 1490
1416 ev_stop (EV_A_ (W)w); 1491 ev_stop (EV_A_ (W)w);
1417} 1492}
1418 1493
… …
1426#endif 1501#endif
1427 1502
1428void 1503void
1429ev_idle_start (EV_P_ struct ev_idle *w) 1504ev_idle_start (EV_P_ struct ev_idle *w)
1430{ 1505{
1431 if (ev_is_active (w)) 1506 if (expect_false (ev_is_active (w)))
1432 return; 1507 return;
1433 1508
1434 ev_start (EV_A_ (W)w, ++idlecnt); 1509 ev_start (EV_A_ (W)w, ++idlecnt);
1435 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); 1510 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1436 idles [idlecnt - 1] = w; 1511 idles [idlecnt - 1] = w;
1437} 1512}
1438 1513
1439void 1514void
1440ev_idle_stop (EV_P_ struct ev_idle *w) 1515ev_idle_stop (EV_P_ struct ev_idle *w)
1441{ 1516{
1442 ev_clear_pending (EV_A_ (W)w); 1517 ev_clear_pending (EV_A_ (W)w);
1443 if (ev_is_active (w)) 1518 if (expect_false (!ev_is_active (w)))
1444 return; 1519 return;
1445 1520
1446 idles [((W)w)->active - 1] = idles [--idlecnt]; 1521 idles [((W)w)->active - 1] = idles [--idlecnt];
1447 ev_stop (EV_A_ (W)w); 1522 ev_stop (EV_A_ (W)w);
1448} 1523}
1449 1524
1450void 1525void
1451ev_prepare_start (EV_P_ struct ev_prepare *w) 1526ev_prepare_start (EV_P_ struct ev_prepare *w)
1452{ 1527{
1453 if (ev_is_active (w)) 1528 if (expect_false (ev_is_active (w)))
1454 return; 1529 return;
1455 1530
1456 ev_start (EV_A_ (W)w, ++preparecnt); 1531 ev_start (EV_A_ (W)w, ++preparecnt);
1457 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); 1532 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1458 prepares [preparecnt - 1] = w; 1533 prepares [preparecnt - 1] = w;
1459} 1534}
1460 1535
1461void 1536void
1462ev_prepare_stop (EV_P_ struct ev_prepare *w) 1537ev_prepare_stop (EV_P_ struct ev_prepare *w)
1463{ 1538{
1464 ev_clear_pending (EV_A_ (W)w); 1539 ev_clear_pending (EV_A_ (W)w);
1465 if (ev_is_active (w)) 1540 if (expect_false (!ev_is_active (w)))
1466 return; 1541 return;
1467 1542
1468 prepares [((W)w)->active - 1] = prepares [--preparecnt]; 1543 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1469 ev_stop (EV_A_ (W)w); 1544 ev_stop (EV_A_ (W)w);
1470} 1545}
1471 1546
1472void 1547void
1473ev_check_start (EV_P_ struct ev_check *w) 1548ev_check_start (EV_P_ struct ev_check *w)
1474{ 1549{
1475 if (ev_is_active (w)) 1550 if (expect_false (ev_is_active (w)))
1476 return; 1551 return;
1477 1552
1478 ev_start (EV_A_ (W)w, ++checkcnt); 1553 ev_start (EV_A_ (W)w, ++checkcnt);
1479 array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); 1554 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1480 checks [checkcnt - 1] = w; 1555 checks [checkcnt - 1] = w;
1481} 1556}
1482 1557
1483void 1558void
1484ev_check_stop (EV_P_ struct ev_check *w) 1559ev_check_stop (EV_P_ struct ev_check *w)
1485{ 1560{
1486 ev_clear_pending (EV_A_ (W)w); 1561 ev_clear_pending (EV_A_ (W)w);
1487 if (!ev_is_active (w)) 1562 if (expect_false (!ev_is_active (w)))
1488 return; 1563 return;
1489 1564
1490 checks [((W)w)->active - 1] = checks [--checkcnt]; 1565 checks [((W)w)->active - 1] = checks [--checkcnt];
1491 ev_stop (EV_A_ (W)w); 1566 ev_stop (EV_A_ (W)w);
1492} 1567}
… …
1497 1572
1498void 1573void
1499ev_signal_start (EV_P_ struct ev_signal *w) 1574ev_signal_start (EV_P_ struct ev_signal *w)
1500{ 1575{
1501#if EV_MULTIPLICITY 1576#if EV_MULTIPLICITY
1502 assert (("signal watchers are only supported in the default loop", loop == default_loop)); 1577 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1503#endif 1578#endif
1504 if (ev_is_active (w)) 1579 if (expect_false (ev_is_active (w)))
1505 return; 1580 return;
1506 1581
1507 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1582 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1508 1583
1509 ev_start (EV_A_ (W)w, 1); 1584 ev_start (EV_A_ (W)w, 1);
1510 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 1585 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1511 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1586 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1512 1587
1513 if (!((WL)w)->next) 1588 if (!((WL)w)->next)
1514 { 1589 {
1515#if WIN32 1590#if _WIN32
1516 signal (w->signum, sighandler); 1591 signal (w->signum, sighandler);
1517#else 1592#else
1518 struct sigaction sa; 1593 struct sigaction sa;
1519 sa.sa_handler = sighandler; 1594 sa.sa_handler = sighandler;
1520 sigfillset (&sa.sa_mask); 1595 sigfillset (&sa.sa_mask);
… …
1526 1601
1527void 1602void
1528ev_signal_stop (EV_P_ struct ev_signal *w) 1603ev_signal_stop (EV_P_ struct ev_signal *w)
1529{ 1604{
1530 ev_clear_pending (EV_A_ (W)w); 1605 ev_clear_pending (EV_A_ (W)w);
1531 if (!ev_is_active (w)) 1606 if (expect_false (!ev_is_active (w)))
1532 return; 1607 return;
1533 1608
1534 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1609 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1535 ev_stop (EV_A_ (W)w); 1610 ev_stop (EV_A_ (W)w);
1536 1611
… …
1540 1615
1541void 1616void
1542ev_child_start (EV_P_ struct ev_child *w) 1617ev_child_start (EV_P_ struct ev_child *w)
1543{ 1618{
1544#if EV_MULTIPLICITY 1619#if EV_MULTIPLICITY
1545 assert (("child watchers are only supported in the default loop", loop == default_loop)); 1620 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1546#endif 1621#endif
1547 if (ev_is_active (w)) 1622 if (expect_false (ev_is_active (w)))
1548 return; 1623 return;
1549 1624
1550 ev_start (EV_A_ (W)w, 1); 1625 ev_start (EV_A_ (W)w, 1);
1551 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1626 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1552} 1627}
1553 1628
1554void 1629void
1555ev_child_stop (EV_P_ struct ev_child *w) 1630ev_child_stop (EV_P_ struct ev_child *w)
1556{ 1631{
1557 ev_clear_pending (EV_A_ (W)w); 1632 ev_clear_pending (EV_A_ (W)w);
1558 if (!ev_is_active (w)) 1633 if (expect_false (!ev_is_active (w)))
1559 return; 1634 return;
1560 1635
1561 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1636 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1562 ev_stop (EV_A_ (W)w); 1637 ev_stop (EV_A_ (W)w);
1563} 1638}
… …
1600void 1675void
1601ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1676ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1602{ 1677{
1603 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 1678 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1604 1679
1605 if (!once) 1680 if (expect_false (!once))
1681 {
1606 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1682 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1607 else 1683 return;
1608 { 1684 }
1685
1609 once->cb = cb; 1686 once->cb = cb;
1610 once->arg = arg; 1687 once->arg = arg;
1611 1688
1612 ev_init (&once->io, once_cb_io); 1689 ev_init (&once->io, once_cb_io);
1613 if (fd >= 0) 1690 if (fd >= 0)
1614 { 1691 {
1615 ev_io_set (&once->io, fd, events); 1692 ev_io_set (&once->io, fd, events);
1616 ev_io_start (EV_A_ &once->io); 1693 ev_io_start (EV_A_ &once->io);
1617 } 1694 }
1618 1695
1619 ev_init (&once->to, once_cb_to); 1696 ev_init (&once->to, once_cb_to);
1620 if (timeout >= 0.) 1697 if (timeout >= 0.)
1621 { 1698 {
1622 ev_timer_set (&once->to, timeout, 0.); 1699 ev_timer_set (&once->to, timeout, 0.);
1623 ev_timer_start (EV_A_ &once->to); 1700 ev_timer_start (EV_A_ &once->to);
1624 }
1625 } 1701 }
1626} 1702}
1627 1703
1628#ifdef __cplusplus 1704#ifdef __cplusplus
1629} 1705}

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