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Comparing libev/ev.c (file contents):
Revision 1.95 by root, Sun Nov 11 01:42:13 2007 UTC vs.
Revision 1.128 by root, Thu Nov 22 12:28:27 2007 UTC

… …
35 35
36#ifndef EV_STANDALONE 36#ifndef EV_STANDALONE
37# include "config.h" 37# include "config.h"
38 38
39# if HAVE_CLOCK_GETTIME 39# if HAVE_CLOCK_GETTIME
40# ifndef EV_USE_MONOTONIC
40# define EV_USE_MONOTONIC 1 41# define EV_USE_MONOTONIC 1
42# endif
43# ifndef EV_USE_REALTIME
41# define EV_USE_REALTIME 1 44# define EV_USE_REALTIME 1
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
42# endif 53# endif
43 54
55# ifndef EV_USE_SELECT
44# if HAVE_SELECT && HAVE_SYS_SELECT_H 56# if HAVE_SELECT && HAVE_SYS_SELECT_H
45# define EV_USE_SELECT 1 57# define EV_USE_SELECT 1
58# else
59# define EV_USE_SELECT 0
60# endif
46# endif 61# endif
47 62
63# ifndef EV_USE_POLL
48# if HAVE_POLL && HAVE_POLL_H 64# if HAVE_POLL && HAVE_POLL_H
49# define EV_USE_POLL 1 65# define EV_USE_POLL 1
66# else
67# define EV_USE_POLL 0
68# endif
50# endif 69# endif
51 70
71# ifndef EV_USE_EPOLL
52# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 72# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
53# define EV_USE_EPOLL 1 73# define EV_USE_EPOLL 1
74# else
75# define EV_USE_EPOLL 0
76# endif
54# endif 77# endif
55 78
79# ifndef EV_USE_KQUEUE
56# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H 80# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
57# 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
58# endif 93# endif
59 94
60#endif 95#endif
61 96
62#include <math.h> 97#include <math.h>
… …
71#include <sys/types.h> 106#include <sys/types.h>
72#include <time.h> 107#include <time.h>
73 108
74#include <signal.h> 109#include <signal.h>
75 110
76#ifndef WIN32 111#ifndef _WIN32
77# include <unistd.h> 112# include <unistd.h>
78# include <sys/time.h> 113# include <sys/time.h>
79# 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
80#endif 120# endif
121#endif
122
81/**/ 123/**/
82 124
83#ifndef EV_USE_MONOTONIC 125#ifndef EV_USE_MONOTONIC
84# 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
85#endif 131#endif
86 132
87#ifndef EV_USE_SELECT 133#ifndef EV_USE_SELECT
88# define EV_USE_SELECT 1 134# define EV_USE_SELECT 1
89#endif 135#endif
90 136
91#ifndef EV_USE_POLL 137#ifndef EV_USE_POLL
92# 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
93#endif 143#endif
94 144
95#ifndef EV_USE_EPOLL 145#ifndef EV_USE_EPOLL
96# define EV_USE_EPOLL 0 146# define EV_USE_EPOLL 0
97#endif 147#endif
98 148
99#ifndef EV_USE_KQUEUE 149#ifndef EV_USE_KQUEUE
100# define EV_USE_KQUEUE 0 150# define EV_USE_KQUEUE 0
101#endif 151#endif
102 152
103#ifndef EV_USE_WIN32
104# ifdef WIN32
105# define EV_USE_WIN32 0 /* it does not exist, use select */
106# undef EV_USE_SELECT
107# define EV_USE_SELECT 1
108# else
109# define EV_USE_WIN32 0
110# endif
111#endif
112
113#ifndef EV_USE_REALTIME 153#ifndef EV_USE_PORT
114# define EV_USE_REALTIME 1 154# define EV_USE_PORT 0
115#endif 155#endif
116 156
117/**/ 157/**/
158
159/* darwin simply cannot be helped */
160#ifdef __APPLE__
161# undef EV_USE_POLL
162# undef EV_USE_KQUEUE
163#endif
118 164
119#ifndef CLOCK_MONOTONIC 165#ifndef CLOCK_MONOTONIC
120# undef EV_USE_MONOTONIC 166# undef EV_USE_MONOTONIC
121# define EV_USE_MONOTONIC 0 167# define EV_USE_MONOTONIC 0
122#endif 168#endif
… …
124#ifndef CLOCK_REALTIME 170#ifndef CLOCK_REALTIME
125# undef EV_USE_REALTIME 171# undef EV_USE_REALTIME
126# define EV_USE_REALTIME 0 172# define EV_USE_REALTIME 0
127#endif 173#endif
128 174
175#if EV_SELECT_IS_WINSOCKET
176# include <winsock.h>
177#endif
178
129/**/ 179/**/
130 180
131#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) */
132#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) */
133#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 */
134/*#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 */
135 185
136#ifdef EV_H 186#ifdef EV_H
137# include EV_H 187# include EV_H
138#else 188#else
139# include "ev.h" 189# include "ev.h"
140#endif 190#endif
141 191
142#if __GNUC__ >= 3 192#if __GNUC__ >= 3
143# define expect(expr,value) __builtin_expect ((expr),(value)) 193# define expect(expr,value) __builtin_expect ((expr),(value))
144# define inline inline 194# define inline static inline
145#else 195#else
146# define expect(expr,value) (expr) 196# define expect(expr,value) (expr)
147# define inline static 197# define inline static
148#endif 198#endif
149 199
… …
151#define expect_true(expr) expect ((expr) != 0, 1) 201#define expect_true(expr) expect ((expr) != 0, 1)
152 202
153#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 203#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
154#define ABSPRI(w) ((w)->priority - EV_MINPRI) 204#define ABSPRI(w) ((w)->priority - EV_MINPRI)
155 205
206#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
207#define EMPTY2(a,b) /* used to suppress some warnings */
208
156typedef struct ev_watcher *W; 209typedef struct ev_watcher *W;
157typedef struct ev_watcher_list *WL; 210typedef struct ev_watcher_list *WL;
158typedef struct ev_watcher_time *WT; 211typedef struct ev_watcher_time *WT;
159 212
160static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 213static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
161 214
215#ifdef _WIN32
162#include "ev_win32.c" 216# include "ev_win32.c"
217#endif
163 218
164/*****************************************************************************/ 219/*****************************************************************************/
165 220
166static void (*syserr_cb)(const char *msg); 221static void (*syserr_cb)(const char *msg);
167 222
… …
214typedef struct 269typedef struct
215{ 270{
216 WL head; 271 WL head;
217 unsigned char events; 272 unsigned char events;
218 unsigned char reify; 273 unsigned char reify;
274#if EV_SELECT_IS_WINSOCKET
275 SOCKET handle;
276#endif
219} ANFD; 277} ANFD;
220 278
221typedef struct 279typedef struct
222{ 280{
223 W w; 281 W w;
… …
227#if EV_MULTIPLICITY 285#if EV_MULTIPLICITY
228 286
229 struct ev_loop 287 struct ev_loop
230 { 288 {
231 ev_tstamp ev_rt_now; 289 ev_tstamp ev_rt_now;
290 #define ev_rt_now ((loop)->ev_rt_now)
232 #define VAR(name,decl) decl; 291 #define VAR(name,decl) decl;
233 #include "ev_vars.h" 292 #include "ev_vars.h"
234 #undef VAR 293 #undef VAR
235 }; 294 };
236 #include "ev_wrap.h" 295 #include "ev_wrap.h"
237 296
238 struct ev_loop default_loop_struct; 297 static struct ev_loop default_loop_struct;
239 static struct ev_loop *default_loop; 298 struct ev_loop *ev_default_loop_ptr;
240 299
241#else 300#else
242 301
243 ev_tstamp ev_rt_now; 302 ev_tstamp ev_rt_now;
244 #define VAR(name,decl) static decl; 303 #define VAR(name,decl) static decl;
245 #include "ev_vars.h" 304 #include "ev_vars.h"
246 #undef VAR 305 #undef VAR
247 306
248 static int default_loop; 307 static int ev_default_loop_ptr;
249 308
250#endif 309#endif
251 310
252/*****************************************************************************/ 311/*****************************************************************************/
253 312
… …
286{ 345{
287 return ev_rt_now; 346 return ev_rt_now;
288} 347}
289#endif 348#endif
290 349
291#define array_roundsize(type,n) ((n) | 4 & ~3) 350#define array_roundsize(type,n) (((n) | 4) & ~3)
292 351
293#define array_needsize(type,base,cur,cnt,init) \ 352#define array_needsize(type,base,cur,cnt,init) \
294 if (expect_false ((cnt) > cur)) \ 353 if (expect_false ((cnt) > cur)) \
295 { \ 354 { \
296 int newcnt = cur; \ 355 int newcnt = cur; \
… …
311 stem ## max = array_roundsize (stem ## cnt >> 1); \ 370 stem ## max = array_roundsize (stem ## cnt >> 1); \
312 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ 371 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
313 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 372 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
314 } 373 }
315 374
316/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
317/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
318#define array_free_microshit(stem) \
319 ev_free (stem ## s); stem ## cnt = stem ## max = 0;
320
321#define array_free(stem, idx) \ 375#define array_free(stem, idx) \
322 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;
323 377
324/*****************************************************************************/ 378/*****************************************************************************/
325 379
… …
339void 393void
340ev_feed_event (EV_P_ void *w, int revents) 394ev_feed_event (EV_P_ void *w, int revents)
341{ 395{
342 W w_ = (W)w; 396 W w_ = (W)w;
343 397
344 if (w_->pending) 398 if (expect_false (w_->pending))
345 { 399 {
346 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 400 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
347 return; 401 return;
348 } 402 }
349 403
350 w_->pending = ++pendingcnt [ABSPRI (w_)]; 404 w_->pending = ++pendingcnt [ABSPRI (w_)];
351 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);
352 pendings [ABSPRI (w_)][w_->pending - 1].w = w_; 406 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
353 pendings [ABSPRI (w_)][w_->pending - 1].events = revents; 407 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
354} 408}
355 409
356static void 410static void
… …
383 fd_event (EV_A_ fd, revents); 437 fd_event (EV_A_ fd, revents);
384} 438}
385 439
386/*****************************************************************************/ 440/*****************************************************************************/
387 441
388static void 442inline void
389fd_reify (EV_P) 443fd_reify (EV_P)
390{ 444{
391 int i; 445 int i;
392 446
393 for (i = 0; i < fdchangecnt; ++i) 447 for (i = 0; i < fdchangecnt; ++i)
… …
399 int events = 0; 453 int events = 0;
400 454
401 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)
402 events |= w->events; 456 events |= w->events;
403 457
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
404 anfd->reify = 0; 467 anfd->reify = 0;
405 468
406 method_modify (EV_A_ fd, anfd->events, events); 469 method_modify (EV_A_ fd, anfd->events, events);
407 anfd->events = events; 470 anfd->events = events;
408 } 471 }
… …
411} 474}
412 475
413static void 476static void
414fd_change (EV_P_ int fd) 477fd_change (EV_P_ int fd)
415{ 478{
416 if (anfds [fd].reify) 479 if (expect_false (anfds [fd].reify))
417 return; 480 return;
418 481
419 anfds [fd].reify = 1; 482 anfds [fd].reify = 1;
420 483
421 ++fdchangecnt; 484 ++fdchangecnt;
422 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); 485 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
423 fdchanges [fdchangecnt - 1] = fd; 486 fdchanges [fdchangecnt - 1] = fd;
424} 487}
425 488
426static void 489static void
427fd_kill (EV_P_ int fd) 490fd_kill (EV_P_ int fd)
… …
433 ev_io_stop (EV_A_ w); 496 ev_io_stop (EV_A_ w);
434 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);
435 } 498 }
436} 499}
437 500
438static int 501inline int
439fd_valid (int fd) 502fd_valid (int fd)
440{ 503{
441#ifdef WIN32 504#ifdef _WIN32
442 return !!win32_get_osfhandle (fd); 505 return _get_osfhandle (fd) != -1;
443#else 506#else
444 return fcntl (fd, F_GETFD) != -1; 507 return fcntl (fd, F_GETFD) != -1;
445#endif 508#endif
446} 509}
447 510
… …
528 heap [k] = w; 591 heap [k] = w;
529 ((W)heap [k])->active = k + 1; 592 ((W)heap [k])->active = k + 1;
530} 593}
531 594
532inline void 595inline void
533adjustheap (WT *heap, int N, int k, ev_tstamp at) 596adjustheap (WT *heap, int N, int k)
534{ 597{
535 ev_tstamp old_at = heap [k]->at; 598 upheap (heap, k);
536 heap [k]->at = at;
537
538 if (old_at < at)
539 downheap (heap, N, k); 599 downheap (heap, N, k);
540 else
541 upheap (heap, k);
542} 600}
543 601
544/*****************************************************************************/ 602/*****************************************************************************/
545 603
546typedef struct 604typedef struct
… …
569} 627}
570 628
571static void 629static void
572sighandler (int signum) 630sighandler (int signum)
573{ 631{
574#if WIN32 632#if _WIN32
575 signal (signum, sighandler); 633 signal (signum, sighandler);
576#endif 634#endif
577 635
578 signals [signum - 1].gotsig = 1; 636 signals [signum - 1].gotsig = 1;
579 637
580 if (!gotsig) 638 if (!gotsig)
581 { 639 {
582 int old_errno = errno; 640 int old_errno = errno;
583 gotsig = 1; 641 gotsig = 1;
584#ifdef WIN32
585 send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
586#else
587 write (sigpipe [1], &signum, 1); 642 write (sigpipe [1], &signum, 1);
588#endif
589 errno = old_errno; 643 errno = old_errno;
590 } 644 }
591} 645}
592 646
593void 647void
594ev_feed_signal_event (EV_P_ int signum) 648ev_feed_signal_event (EV_P_ int signum)
595{ 649{
596 WL w; 650 WL w;
597 651
598#if EV_MULTIPLICITY 652#if EV_MULTIPLICITY
599 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));
600#endif 654#endif
601 655
602 --signum; 656 --signum;
603 657
604 if (signum < 0 || signum >= signalmax) 658 if (signum < 0 || signum >= signalmax)
… …
613static void 667static void
614sigcb (EV_P_ struct ev_io *iow, int revents) 668sigcb (EV_P_ struct ev_io *iow, int revents)
615{ 669{
616 int signum; 670 int signum;
617 671
618#ifdef WIN32
619 recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
620#else
621 read (sigpipe [0], &revents, 1); 672 read (sigpipe [0], &revents, 1);
622#endif
623 gotsig = 0; 673 gotsig = 0;
624 674
625 for (signum = signalmax; signum--; ) 675 for (signum = signalmax; signum--; )
626 if (signals [signum].gotsig) 676 if (signals [signum].gotsig)
627 ev_feed_signal_event (EV_A_ signum + 1); 677 ev_feed_signal_event (EV_A_ signum + 1);
628} 678}
629 679
630static 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
631siginit (EV_P) 693siginit (EV_P)
632{ 694{
633#ifndef WIN32 695 fd_intern (sigpipe [0]);
634 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 696 fd_intern (sigpipe [1]);
635 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
636
637 /* rather than sort out wether we really need nb, set it */
638 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
639 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
640#endif
641 697
642 ev_io_set (&sigev, sigpipe [0], EV_READ); 698 ev_io_set (&sigev, sigpipe [0], EV_READ);
643 ev_io_start (EV_A_ &sigev); 699 ev_io_start (EV_A_ &sigev);
644 ev_unref (EV_A); /* child watcher should not keep loop alive */ 700 ev_unref (EV_A); /* child watcher should not keep loop alive */
645} 701}
646 702
647/*****************************************************************************/ 703/*****************************************************************************/
648 704
649static struct ev_child *childs [PID_HASHSIZE]; 705static struct ev_child *childs [PID_HASHSIZE];
650 706
651#ifndef WIN32 707#ifndef _WIN32
652 708
653static struct ev_signal childev; 709static struct ev_signal childev;
654 710
655#ifndef WCONTINUED 711#ifndef WCONTINUED
656# define WCONTINUED 0 712# define WCONTINUED 0
… …
688 744
689#endif 745#endif
690 746
691/*****************************************************************************/ 747/*****************************************************************************/
692 748
749#if EV_USE_PORT
750# include "ev_port.c"
751#endif
693#if EV_USE_KQUEUE 752#if EV_USE_KQUEUE
694# include "ev_kqueue.c" 753# include "ev_kqueue.c"
695#endif 754#endif
696#if EV_USE_EPOLL 755#if EV_USE_EPOLL
697# include "ev_epoll.c" 756# include "ev_epoll.c"
… …
717 776
718/* 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 */
719static int 778static int
720enable_secure (void) 779enable_secure (void)
721{ 780{
722#ifdef WIN32 781#ifdef _WIN32
723 return 0; 782 return 0;
724#else 783#else
725 return getuid () != geteuid () 784 return getuid () != geteuid ()
726 || getgid () != getegid (); 785 || getgid () != getegid ();
727#endif 786#endif
728} 787}
729 788
730int 789unsigned int
731ev_method (EV_P) 790ev_method (EV_P)
732{ 791{
733 return method; 792 return method;
734} 793}
735 794
736static void 795static void
737loop_init (EV_P_ int methods) 796loop_init (EV_P_ unsigned int flags)
738{ 797{
739 if (!method) 798 if (!method)
740 { 799 {
741#if EV_USE_MONOTONIC 800#if EV_USE_MONOTONIC
742 { 801 {
… …
749 ev_rt_now = ev_time (); 808 ev_rt_now = ev_time ();
750 mn_now = get_clock (); 809 mn_now = get_clock ();
751 now_floor = mn_now; 810 now_floor = mn_now;
752 rtmn_diff = ev_rt_now - mn_now; 811 rtmn_diff = ev_rt_now - mn_now;
753 812
754 if (methods == EVMETHOD_AUTO) 813 if (!(flags & EVFLAG_NOENV)
755 if (!enable_secure () && getenv ("LIBEV_METHODS")) 814 && !enable_secure ()
815 && getenv ("LIBEV_FLAGS"))
756 methods = atoi (getenv ("LIBEV_METHODS")); 816 flags = atoi (getenv ("LIBEV_FLAGS"));
817
818 if (!(flags & EVMETHOD_ALL))
757 else 819 {
758 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 }
759 827
760 method = 0; 828 method = 0;
761#if EV_USE_WIN32 829#if EV_USE_PORT
762 if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); 830 if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
763#endif 831#endif
764#if EV_USE_KQUEUE 832#if EV_USE_KQUEUE
765 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 833 if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
766#endif 834#endif
767#if EV_USE_EPOLL 835#if EV_USE_EPOLL
768 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 836 if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
769#endif 837#endif
770#if EV_USE_POLL 838#if EV_USE_POLL
771 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 839 if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
772#endif 840#endif
773#if EV_USE_SELECT 841#if EV_USE_SELECT
774 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 842 if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
775#endif 843#endif
776 844
777 ev_init (&sigev, sigcb); 845 ev_init (&sigev, sigcb);
778 ev_set_priority (&sigev, EV_MAXPRI); 846 ev_set_priority (&sigev, EV_MAXPRI);
779 } 847 }
780} 848}
781 849
782void 850static void
783loop_destroy (EV_P) 851loop_destroy (EV_P)
784{ 852{
785 int i; 853 int i;
786 854
787#if EV_USE_WIN32 855#if EV_USE_PORT
788 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); 856 if (method == EVMETHOD_PORT ) port_destroy (EV_A);
789#endif 857#endif
790#if EV_USE_KQUEUE 858#if EV_USE_KQUEUE
791 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); 859 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
792#endif 860#endif
793#if EV_USE_EPOLL 861#if EV_USE_EPOLL
… …
802 870
803 for (i = NUMPRI; i--; ) 871 for (i = NUMPRI; i--; )
804 array_free (pending, [i]); 872 array_free (pending, [i]);
805 873
806 /* have to use the microsoft-never-gets-it-right macro */ 874 /* have to use the microsoft-never-gets-it-right macro */
807 array_free_microshit (fdchange); 875 array_free (fdchange, EMPTY0);
808 array_free_microshit (timer); 876 array_free (timer, EMPTY0);
809#if EV_PERIODICS 877#if EV_PERIODICS
810 array_free_microshit (periodic); 878 array_free (periodic, EMPTY0);
811#endif 879#endif
812 array_free_microshit (idle); 880 array_free (idle, EMPTY0);
813 array_free_microshit (prepare); 881 array_free (prepare, EMPTY0);
814 array_free_microshit (check); 882 array_free (check, EMPTY0);
815 883
816 method = 0; 884 method = 0;
817} 885}
818 886
819static void 887static void
820loop_fork (EV_P) 888loop_fork (EV_P)
821{ 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
822#if EV_USE_EPOLL 896#if EV_USE_EPOLL
823 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); 897 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
824#endif
825#if EV_USE_KQUEUE
826 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
827#endif 898#endif
828 899
829 if (ev_is_active (&sigev)) 900 if (ev_is_active (&sigev))
830 { 901 {
831 /* default loop */ 902 /* default loop */
… …
844 postfork = 0; 915 postfork = 0;
845} 916}
846 917
847#if EV_MULTIPLICITY 918#if EV_MULTIPLICITY
848struct ev_loop * 919struct ev_loop *
849ev_loop_new (int methods) 920ev_loop_new (unsigned int flags)
850{ 921{
851 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));
852 923
853 memset (loop, 0, sizeof (struct ev_loop)); 924 memset (loop, 0, sizeof (struct ev_loop));
854 925
855 loop_init (EV_A_ methods); 926 loop_init (EV_A_ flags);
856 927
857 if (ev_method (EV_A)) 928 if (ev_method (EV_A))
858 return loop; 929 return loop;
859 930
860 return 0; 931 return 0;
… …
875 946
876#endif 947#endif
877 948
878#if EV_MULTIPLICITY 949#if EV_MULTIPLICITY
879struct ev_loop * 950struct ev_loop *
951ev_default_loop_init (unsigned int flags)
880#else 952#else
881int 953int
954ev_default_loop (unsigned int flags)
882#endif 955#endif
883ev_default_loop (int methods)
884{ 956{
885 if (sigpipe [0] == sigpipe [1]) 957 if (sigpipe [0] == sigpipe [1])
886 if (pipe (sigpipe)) 958 if (pipe (sigpipe))
887 return 0; 959 return 0;
888 960
889 if (!default_loop) 961 if (!ev_default_loop_ptr)
890 { 962 {
891#if EV_MULTIPLICITY 963#if EV_MULTIPLICITY
892 struct ev_loop *loop = default_loop = &default_loop_struct; 964 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
893#else 965#else
894 default_loop = 1; 966 ev_default_loop_ptr = 1;
895#endif 967#endif
896 968
897 loop_init (EV_A_ methods); 969 loop_init (EV_A_ flags);
898 970
899 if (ev_method (EV_A)) 971 if (ev_method (EV_A))
900 { 972 {
901 siginit (EV_A); 973 siginit (EV_A);
902 974
903#ifndef WIN32 975#ifndef _WIN32
904 ev_signal_init (&childev, childcb, SIGCHLD); 976 ev_signal_init (&childev, childcb, SIGCHLD);
905 ev_set_priority (&childev, EV_MAXPRI); 977 ev_set_priority (&childev, EV_MAXPRI);
906 ev_signal_start (EV_A_ &childev); 978 ev_signal_start (EV_A_ &childev);
907 ev_unref (EV_A); /* child watcher should not keep loop alive */ 979 ev_unref (EV_A); /* child watcher should not keep loop alive */
908#endif 980#endif
909 } 981 }
910 else 982 else
911 default_loop = 0; 983 ev_default_loop_ptr = 0;
912 } 984 }
913 985
914 return default_loop; 986 return ev_default_loop_ptr;
915} 987}
916 988
917void 989void
918ev_default_destroy (void) 990ev_default_destroy (void)
919{ 991{
920#if EV_MULTIPLICITY 992#if EV_MULTIPLICITY
921 struct ev_loop *loop = default_loop; 993 struct ev_loop *loop = ev_default_loop_ptr;
922#endif 994#endif
923 995
924#ifndef WIN32 996#ifndef _WIN32
925 ev_ref (EV_A); /* child watcher */ 997 ev_ref (EV_A); /* child watcher */
926 ev_signal_stop (EV_A_ &childev); 998 ev_signal_stop (EV_A_ &childev);
927#endif 999#endif
928 1000
929 ev_ref (EV_A); /* signal watcher */ 1001 ev_ref (EV_A); /* signal watcher */
… …
937 1009
938void 1010void
939ev_default_fork (void) 1011ev_default_fork (void)
940{ 1012{
941#if EV_MULTIPLICITY 1013#if EV_MULTIPLICITY
942 struct ev_loop *loop = default_loop; 1014 struct ev_loop *loop = ev_default_loop_ptr;
943#endif 1015#endif
944 1016
945 if (method) 1017 if (method)
946 postfork = 1; 1018 postfork = 1;
947} 1019}
… …
958 return 1; 1030 return 1;
959 1031
960 return 0; 1032 return 0;
961} 1033}
962 1034
963static void 1035inline void
964call_pending (EV_P) 1036call_pending (EV_P)
965{ 1037{
966 int pri; 1038 int pri;
967 1039
968 for (pri = NUMPRI; pri--; ) 1040 for (pri = NUMPRI; pri--; )
969 while (pendingcnt [pri]) 1041 while (pendingcnt [pri])
970 { 1042 {
971 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1043 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
972 1044
973 if (p->w) 1045 if (expect_true (p->w))
974 { 1046 {
975 p->w->pending = 0; 1047 p->w->pending = 0;
976 EV_CB_INVOKE (p->w, p->events); 1048 EV_CB_INVOKE (p->w, p->events);
977 } 1049 }
978 } 1050 }
979} 1051}
980 1052
981static void 1053inline void
982timers_reify (EV_P) 1054timers_reify (EV_P)
983{ 1055{
984 while (timercnt && ((WT)timers [0])->at <= mn_now) 1056 while (timercnt && ((WT)timers [0])->at <= mn_now)
985 { 1057 {
986 struct ev_timer *w = timers [0]; 1058 struct ev_timer *w = timers [0];
… …
1004 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1076 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1005 } 1077 }
1006} 1078}
1007 1079
1008#if EV_PERIODICS 1080#if EV_PERIODICS
1009static void 1081inline void
1010periodics_reify (EV_P) 1082periodics_reify (EV_P)
1011{ 1083{
1012 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1084 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1013 { 1085 {
1014 struct ev_periodic *w = periodics [0]; 1086 struct ev_periodic *w = periodics [0];
… …
1016 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1088 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1017 1089
1018 /* first reschedule or stop timer */ 1090 /* first reschedule or stop timer */
1019 if (w->reschedule_cb) 1091 if (w->reschedule_cb)
1020 { 1092 {
1021 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);
1022
1023 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));
1024 downheap ((WT *)periodics, periodiccnt, 0); 1095 downheap ((WT *)periodics, periodiccnt, 0);
1025 } 1096 }
1026 else if (w->interval) 1097 else if (w->interval)
1027 { 1098 {
… …
1074 ev_rt_now = ev_time (); 1145 ev_rt_now = ev_time ();
1075 return 1; 1146 return 1;
1076 } 1147 }
1077} 1148}
1078 1149
1079static void 1150inline void
1080time_update (EV_P) 1151time_update (EV_P)
1081{ 1152{
1082 int i; 1153 int i;
1083 1154
1084#if EV_USE_MONOTONIC 1155#if EV_USE_MONOTONIC
… …
1145ev_loop (EV_P_ int flags) 1216ev_loop (EV_P_ int flags)
1146{ 1217{
1147 double block; 1218 double block;
1148 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; 1219 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
1149 1220
1150 do 1221 while (activecnt)
1151 { 1222 {
1152 /* queue check watchers (and execute them) */ 1223 /* queue check watchers (and execute them) */
1153 if (expect_false (preparecnt)) 1224 if (expect_false (preparecnt))
1154 { 1225 {
1155 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1226 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
… …
1195 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;
1196 if (block > to) block = to; 1267 if (block > to) block = to;
1197 } 1268 }
1198#endif 1269#endif
1199 1270
1200 if (block < 0.) block = 0.; 1271 if (expect_false (block < 0.)) block = 0.;
1201 } 1272 }
1202 1273
1203 method_poll (EV_A_ block); 1274 method_poll (EV_A_ block);
1204 1275
1205 /* update ev_rt_now, do magic */ 1276 /* update ev_rt_now, do magic */
… …
1214 /* queue idle watchers unless io or timers are pending */ 1285 /* queue idle watchers unless io or timers are pending */
1215 if (idlecnt && !any_pending (EV_A)) 1286 if (idlecnt && !any_pending (EV_A))
1216 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1287 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1217 1288
1218 /* queue check watchers, to be executed first */ 1289 /* queue check watchers, to be executed first */
1219 if (checkcnt) 1290 if (expect_false (checkcnt))
1220 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1291 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1221 1292
1222 call_pending (EV_A); 1293 call_pending (EV_A);
1294
1295 if (expect_false (loop_done))
1296 break;
1223 } 1297 }
1224 while (activecnt && !loop_done);
1225 1298
1226 if (loop_done != 2) 1299 if (loop_done != 2)
1227 loop_done = 0; 1300 loop_done = 0;
1228} 1301}
1229 1302
… …
1289void 1362void
1290ev_io_start (EV_P_ struct ev_io *w) 1363ev_io_start (EV_P_ struct ev_io *w)
1291{ 1364{
1292 int fd = w->fd; 1365 int fd = w->fd;
1293 1366
1294 if (ev_is_active (w)) 1367 if (expect_false (ev_is_active (w)))
1295 return; 1368 return;
1296 1369
1297 assert (("ev_io_start called with negative fd", fd >= 0)); 1370 assert (("ev_io_start called with negative fd", fd >= 0));
1298 1371
1299 ev_start (EV_A_ (W)w, 1); 1372 ev_start (EV_A_ (W)w, 1);
… …
1305 1378
1306void 1379void
1307ev_io_stop (EV_P_ struct ev_io *w) 1380ev_io_stop (EV_P_ struct ev_io *w)
1308{ 1381{
1309 ev_clear_pending (EV_A_ (W)w); 1382 ev_clear_pending (EV_A_ (W)w);
1310 if (!ev_is_active (w)) 1383 if (expect_false (!ev_is_active (w)))
1311 return; 1384 return;
1312 1385
1313 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));
1314 1387
1315 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1388 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
… …
1319} 1392}
1320 1393
1321void 1394void
1322ev_timer_start (EV_P_ struct ev_timer *w) 1395ev_timer_start (EV_P_ struct ev_timer *w)
1323{ 1396{
1324 if (ev_is_active (w)) 1397 if (expect_false (ev_is_active (w)))
1325 return; 1398 return;
1326 1399
1327 ((WT)w)->at += mn_now; 1400 ((WT)w)->at += mn_now;
1328 1401
1329 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.));
1330 1403
1331 ev_start (EV_A_ (W)w, ++timercnt); 1404 ev_start (EV_A_ (W)w, ++timercnt);
1332 array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); 1405 array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1333 timers [timercnt - 1] = w; 1406 timers [timercnt - 1] = w;
1334 upheap ((WT *)timers, timercnt - 1); 1407 upheap ((WT *)timers, timercnt - 1);
1335 1408
1336 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1409 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1337} 1410}
1338 1411
1339void 1412void
1340ev_timer_stop (EV_P_ struct ev_timer *w) 1413ev_timer_stop (EV_P_ struct ev_timer *w)
1341{ 1414{
1342 ev_clear_pending (EV_A_ (W)w); 1415 ev_clear_pending (EV_A_ (W)w);
1343 if (!ev_is_active (w)) 1416 if (expect_false (!ev_is_active (w)))
1344 return; 1417 return;
1345 1418
1346 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1419 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1347 1420
1348 if (((W)w)->active < timercnt--) 1421 if (expect_true (((W)w)->active < timercnt--))
1349 { 1422 {
1350 timers [((W)w)->active - 1] = timers [timercnt]; 1423 timers [((W)w)->active - 1] = timers [timercnt];
1351 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1424 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1352 } 1425 }
1353 1426
1354 ((WT)w)->at -= mn_now; 1427 ((WT)w)->at -= mn_now;
1355 1428
1356 ev_stop (EV_A_ (W)w); 1429 ev_stop (EV_A_ (W)w);
… …
1360ev_timer_again (EV_P_ struct ev_timer *w) 1433ev_timer_again (EV_P_ struct ev_timer *w)
1361{ 1434{
1362 if (ev_is_active (w)) 1435 if (ev_is_active (w))
1363 { 1436 {
1364 if (w->repeat) 1437 if (w->repeat)
1438 {
1439 ((WT)w)->at = mn_now + w->repeat;
1365 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); 1440 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1441 }
1366 else 1442 else
1367 ev_timer_stop (EV_A_ w); 1443 ev_timer_stop (EV_A_ w);
1368 } 1444 }
1369 else if (w->repeat) 1445 else if (w->repeat)
1446 {
1447 w->at = w->repeat;
1370 ev_timer_start (EV_A_ w); 1448 ev_timer_start (EV_A_ w);
1449 }
1371} 1450}
1372 1451
1373#if EV_PERIODICS 1452#if EV_PERIODICS
1374void 1453void
1375ev_periodic_start (EV_P_ struct ev_periodic *w) 1454ev_periodic_start (EV_P_ struct ev_periodic *w)
1376{ 1455{
1377 if (ev_is_active (w)) 1456 if (expect_false (ev_is_active (w)))
1378 return; 1457 return;
1379 1458
1380 if (w->reschedule_cb) 1459 if (w->reschedule_cb)
1381 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1460 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1382 else if (w->interval) 1461 else if (w->interval)
… …
1385 /* 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 */
1386 ((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;
1387 } 1466 }
1388 1467
1389 ev_start (EV_A_ (W)w, ++periodiccnt); 1468 ev_start (EV_A_ (W)w, ++periodiccnt);
1390 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); 1469 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1391 periodics [periodiccnt - 1] = w; 1470 periodics [periodiccnt - 1] = w;
1392 upheap ((WT *)periodics, periodiccnt - 1); 1471 upheap ((WT *)periodics, periodiccnt - 1);
1393 1472
1394 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1473 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1395} 1474}
1396 1475
1397void 1476void
1398ev_periodic_stop (EV_P_ struct ev_periodic *w) 1477ev_periodic_stop (EV_P_ struct ev_periodic *w)
1399{ 1478{
1400 ev_clear_pending (EV_A_ (W)w); 1479 ev_clear_pending (EV_A_ (W)w);
1401 if (!ev_is_active (w)) 1480 if (expect_false (!ev_is_active (w)))
1402 return; 1481 return;
1403 1482
1404 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1483 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1405 1484
1406 if (((W)w)->active < periodiccnt--) 1485 if (expect_true (((W)w)->active < periodiccnt--))
1407 { 1486 {
1408 periodics [((W)w)->active - 1] = periodics [periodiccnt]; 1487 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1409 downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); 1488 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1410 } 1489 }
1411 1490
1412 ev_stop (EV_A_ (W)w); 1491 ev_stop (EV_A_ (W)w);
1413} 1492}
1414 1493
… …
1422#endif 1501#endif
1423 1502
1424void 1503void
1425ev_idle_start (EV_P_ struct ev_idle *w) 1504ev_idle_start (EV_P_ struct ev_idle *w)
1426{ 1505{
1427 if (ev_is_active (w)) 1506 if (expect_false (ev_is_active (w)))
1428 return; 1507 return;
1429 1508
1430 ev_start (EV_A_ (W)w, ++idlecnt); 1509 ev_start (EV_A_ (W)w, ++idlecnt);
1431 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); 1510 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1432 idles [idlecnt - 1] = w; 1511 idles [idlecnt - 1] = w;
1433} 1512}
1434 1513
1435void 1514void
1436ev_idle_stop (EV_P_ struct ev_idle *w) 1515ev_idle_stop (EV_P_ struct ev_idle *w)
1437{ 1516{
1438 ev_clear_pending (EV_A_ (W)w); 1517 ev_clear_pending (EV_A_ (W)w);
1439 if (ev_is_active (w)) 1518 if (expect_false (!ev_is_active (w)))
1440 return; 1519 return;
1441 1520
1442 idles [((W)w)->active - 1] = idles [--idlecnt]; 1521 idles [((W)w)->active - 1] = idles [--idlecnt];
1443 ev_stop (EV_A_ (W)w); 1522 ev_stop (EV_A_ (W)w);
1444} 1523}
1445 1524
1446void 1525void
1447ev_prepare_start (EV_P_ struct ev_prepare *w) 1526ev_prepare_start (EV_P_ struct ev_prepare *w)
1448{ 1527{
1449 if (ev_is_active (w)) 1528 if (expect_false (ev_is_active (w)))
1450 return; 1529 return;
1451 1530
1452 ev_start (EV_A_ (W)w, ++preparecnt); 1531 ev_start (EV_A_ (W)w, ++preparecnt);
1453 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); 1532 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1454 prepares [preparecnt - 1] = w; 1533 prepares [preparecnt - 1] = w;
1455} 1534}
1456 1535
1457void 1536void
1458ev_prepare_stop (EV_P_ struct ev_prepare *w) 1537ev_prepare_stop (EV_P_ struct ev_prepare *w)
1459{ 1538{
1460 ev_clear_pending (EV_A_ (W)w); 1539 ev_clear_pending (EV_A_ (W)w);
1461 if (ev_is_active (w)) 1540 if (expect_false (!ev_is_active (w)))
1462 return; 1541 return;
1463 1542
1464 prepares [((W)w)->active - 1] = prepares [--preparecnt]; 1543 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1465 ev_stop (EV_A_ (W)w); 1544 ev_stop (EV_A_ (W)w);
1466} 1545}
1467 1546
1468void 1547void
1469ev_check_start (EV_P_ struct ev_check *w) 1548ev_check_start (EV_P_ struct ev_check *w)
1470{ 1549{
1471 if (ev_is_active (w)) 1550 if (expect_false (ev_is_active (w)))
1472 return; 1551 return;
1473 1552
1474 ev_start (EV_A_ (W)w, ++checkcnt); 1553 ev_start (EV_A_ (W)w, ++checkcnt);
1475 array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); 1554 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1476 checks [checkcnt - 1] = w; 1555 checks [checkcnt - 1] = w;
1477} 1556}
1478 1557
1479void 1558void
1480ev_check_stop (EV_P_ struct ev_check *w) 1559ev_check_stop (EV_P_ struct ev_check *w)
1481{ 1560{
1482 ev_clear_pending (EV_A_ (W)w); 1561 ev_clear_pending (EV_A_ (W)w);
1483 if (!ev_is_active (w)) 1562 if (expect_false (!ev_is_active (w)))
1484 return; 1563 return;
1485 1564
1486 checks [((W)w)->active - 1] = checks [--checkcnt]; 1565 checks [((W)w)->active - 1] = checks [--checkcnt];
1487 ev_stop (EV_A_ (W)w); 1566 ev_stop (EV_A_ (W)w);
1488} 1567}
… …
1493 1572
1494void 1573void
1495ev_signal_start (EV_P_ struct ev_signal *w) 1574ev_signal_start (EV_P_ struct ev_signal *w)
1496{ 1575{
1497#if EV_MULTIPLICITY 1576#if EV_MULTIPLICITY
1498 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));
1499#endif 1578#endif
1500 if (ev_is_active (w)) 1579 if (expect_false (ev_is_active (w)))
1501 return; 1580 return;
1502 1581
1503 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));
1504 1583
1505 ev_start (EV_A_ (W)w, 1); 1584 ev_start (EV_A_ (W)w, 1);
1506 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 1585 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1507 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1586 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1508 1587
1509 if (!((WL)w)->next) 1588 if (!((WL)w)->next)
1510 { 1589 {
1511#if WIN32 1590#if _WIN32
1512 signal (w->signum, sighandler); 1591 signal (w->signum, sighandler);
1513#else 1592#else
1514 struct sigaction sa; 1593 struct sigaction sa;
1515 sa.sa_handler = sighandler; 1594 sa.sa_handler = sighandler;
1516 sigfillset (&sa.sa_mask); 1595 sigfillset (&sa.sa_mask);
… …
1522 1601
1523void 1602void
1524ev_signal_stop (EV_P_ struct ev_signal *w) 1603ev_signal_stop (EV_P_ struct ev_signal *w)
1525{ 1604{
1526 ev_clear_pending (EV_A_ (W)w); 1605 ev_clear_pending (EV_A_ (W)w);
1527 if (!ev_is_active (w)) 1606 if (expect_false (!ev_is_active (w)))
1528 return; 1607 return;
1529 1608
1530 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1609 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
1531 ev_stop (EV_A_ (W)w); 1610 ev_stop (EV_A_ (W)w);
1532 1611
… …
1536 1615
1537void 1616void
1538ev_child_start (EV_P_ struct ev_child *w) 1617ev_child_start (EV_P_ struct ev_child *w)
1539{ 1618{
1540#if EV_MULTIPLICITY 1619#if EV_MULTIPLICITY
1541 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));
1542#endif 1621#endif
1543 if (ev_is_active (w)) 1622 if (expect_false (ev_is_active (w)))
1544 return; 1623 return;
1545 1624
1546 ev_start (EV_A_ (W)w, 1); 1625 ev_start (EV_A_ (W)w, 1);
1547 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1626 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1548} 1627}
1549 1628
1550void 1629void
1551ev_child_stop (EV_P_ struct ev_child *w) 1630ev_child_stop (EV_P_ struct ev_child *w)
1552{ 1631{
1553 ev_clear_pending (EV_A_ (W)w); 1632 ev_clear_pending (EV_A_ (W)w);
1554 if (!ev_is_active (w)) 1633 if (expect_false (!ev_is_active (w)))
1555 return; 1634 return;
1556 1635
1557 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1636 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1558 ev_stop (EV_A_ (W)w); 1637 ev_stop (EV_A_ (W)w);
1559} 1638}
… …
1596void 1675void
1597ev_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)
1598{ 1677{
1599 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));
1600 1679
1601 if (!once) 1680 if (expect_false (!once))
1681 {
1602 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1682 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1603 else 1683 return;
1604 { 1684 }
1685
1605 once->cb = cb; 1686 once->cb = cb;
1606 once->arg = arg; 1687 once->arg = arg;
1607 1688
1608 ev_init (&once->io, once_cb_io); 1689 ev_init (&once->io, once_cb_io);
1609 if (fd >= 0) 1690 if (fd >= 0)
1610 { 1691 {
1611 ev_io_set (&once->io, fd, events); 1692 ev_io_set (&once->io, fd, events);
1612 ev_io_start (EV_A_ &once->io); 1693 ev_io_start (EV_A_ &once->io);
1613 } 1694 }
1614 1695
1615 ev_init (&once->to, once_cb_to); 1696 ev_init (&once->to, once_cb_to);
1616 if (timeout >= 0.) 1697 if (timeout >= 0.)
1617 { 1698 {
1618 ev_timer_set (&once->to, timeout, 0.); 1699 ev_timer_set (&once->to, timeout, 0.);
1619 ev_timer_start (EV_A_ &once->to); 1700 ev_timer_start (EV_A_ &once->to);
1620 }
1621 } 1701 }
1622} 1702}
1623 1703
1624#ifdef __cplusplus 1704#ifdef __cplusplus
1625} 1705}

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