ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.91 by root, Sun Nov 11 00:06:48 2007 UTC vs.
Revision 1.111 by root, Mon Nov 12 06:34:49 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
42# endif 46# endif
43 47
44# if HAVE_SELECT && HAVE_SYS_SELECT_H 48# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
45# define EV_USE_SELECT 1 49# define EV_USE_SELECT 1
46# endif 50# endif
47 51
48# if HAVE_POLL && HAVE_POLL_H 52# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
49# define EV_USE_POLL 1 53# define EV_USE_POLL 1
50# endif 54# endif
51 55
52# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 56# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
53# define EV_USE_EPOLL 1 57# define EV_USE_EPOLL 1
54# endif 58# endif
55 59
56# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H 60# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
57# define EV_USE_KQUEUE 1 61# define EV_USE_KQUEUE 1
58# endif 62# endif
59 63
60#endif 64#endif
61 65
71#include <sys/types.h> 75#include <sys/types.h>
72#include <time.h> 76#include <time.h>
73 77
74#include <signal.h> 78#include <signal.h>
75 79
76#ifndef WIN32 80#ifndef _WIN32
77# include <unistd.h> 81# include <unistd.h>
78# include <sys/time.h> 82# include <sys/time.h>
79# include <sys/wait.h> 83# include <sys/wait.h>
84#else
85# define WIN32_LEAN_AND_MEAN
86# include <windows.h>
87# ifndef EV_SELECT_IS_WINSOCKET
88# define EV_SELECT_IS_WINSOCKET 1
80#endif 89# endif
90#endif
91
81/**/ 92/**/
82 93
83#ifndef EV_USE_MONOTONIC 94#ifndef EV_USE_MONOTONIC
84# define EV_USE_MONOTONIC 1 95# define EV_USE_MONOTONIC 1
85#endif 96#endif
86 97
87#ifndef EV_USE_SELECT 98#ifndef EV_USE_SELECT
88# define EV_USE_SELECT 1 99# define EV_USE_SELECT 1
100# define EV_SELECT_USE_FD_SET 1
89#endif 101#endif
90 102
91#ifndef EV_USE_POLL 103#ifndef EV_USE_POLL
92# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ 104# ifdef _WIN32
105# define EV_USE_POLL 0
106# else
107# define EV_USE_POLL 1
108# endif
93#endif 109#endif
94 110
95#ifndef EV_USE_EPOLL 111#ifndef EV_USE_EPOLL
96# define EV_USE_EPOLL 0 112# define EV_USE_EPOLL 0
97#endif 113#endif
98 114
99#ifndef EV_USE_KQUEUE 115#ifndef EV_USE_KQUEUE
100# define EV_USE_KQUEUE 0 116# define EV_USE_KQUEUE 0
101#endif 117#endif
102 118
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 119#ifndef EV_USE_REALTIME
114# define EV_USE_REALTIME 1 120# define EV_USE_REALTIME 1
115#endif 121#endif
116 122
117/**/ 123/**/
124
125/* darwin simply cannot be helped */
126#ifdef __APPLE__
127# undef EV_USE_POLL
128# undef EV_USE_KQUEUE
129#endif
118 130
119#ifndef CLOCK_MONOTONIC 131#ifndef CLOCK_MONOTONIC
120# undef EV_USE_MONOTONIC 132# undef EV_USE_MONOTONIC
121# define EV_USE_MONOTONIC 0 133# define EV_USE_MONOTONIC 0
122#endif 134#endif
123 135
124#ifndef CLOCK_REALTIME 136#ifndef CLOCK_REALTIME
125# undef EV_USE_REALTIME 137# undef EV_USE_REALTIME
126# define EV_USE_REALTIME 0 138# define EV_USE_REALTIME 0
139#endif
140
141#if EV_SELECT_IS_WINSOCKET
142# include <winsock.h>
127#endif 143#endif
128 144
129/**/ 145/**/
130 146
131#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 147#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
151#define expect_true(expr) expect ((expr) != 0, 1) 167#define expect_true(expr) expect ((expr) != 0, 1)
152 168
153#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 169#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
154#define ABSPRI(w) ((w)->priority - EV_MINPRI) 170#define ABSPRI(w) ((w)->priority - EV_MINPRI)
155 171
172#define EMPTY /* required for microsofts broken pseudo-c compiler */
173
156typedef struct ev_watcher *W; 174typedef struct ev_watcher *W;
157typedef struct ev_watcher_list *WL; 175typedef struct ev_watcher_list *WL;
158typedef struct ev_watcher_time *WT; 176typedef struct ev_watcher_time *WT;
159 177
160static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 178static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
161 179
180#ifdef _WIN32
162#include "ev_win32.c" 181# include "ev_win32.c"
182#endif
163 183
164/*****************************************************************************/ 184/*****************************************************************************/
165 185
166static void (*syserr_cb)(const char *msg); 186static void (*syserr_cb)(const char *msg);
167 187
214typedef struct 234typedef struct
215{ 235{
216 WL head; 236 WL head;
217 unsigned char events; 237 unsigned char events;
218 unsigned char reify; 238 unsigned char reify;
239#if EV_SELECT_IS_WINSOCKET
240 SOCKET handle;
241#endif
219} ANFD; 242} ANFD;
220 243
221typedef struct 244typedef struct
222{ 245{
223 W w; 246 W w;
227#if EV_MULTIPLICITY 250#if EV_MULTIPLICITY
228 251
229 struct ev_loop 252 struct ev_loop
230 { 253 {
231 ev_tstamp ev_rt_now; 254 ev_tstamp ev_rt_now;
255 #define ev_rt_now ((loop)->ev_rt_now)
232 #define VAR(name,decl) decl; 256 #define VAR(name,decl) decl;
233 #include "ev_vars.h" 257 #include "ev_vars.h"
234 #undef VAR 258 #undef VAR
235 }; 259 };
236 #include "ev_wrap.h" 260 #include "ev_wrap.h"
249 273
250#endif 274#endif
251 275
252/*****************************************************************************/ 276/*****************************************************************************/
253 277
254inline ev_tstamp 278ev_tstamp
255ev_time (void) 279ev_time (void)
256{ 280{
257#if EV_USE_REALTIME 281#if EV_USE_REALTIME
258 struct timespec ts; 282 struct timespec ts;
259 clock_gettime (CLOCK_REALTIME, &ts); 283 clock_gettime (CLOCK_REALTIME, &ts);
286{ 310{
287 return ev_rt_now; 311 return ev_rt_now;
288} 312}
289#endif 313#endif
290 314
291#define array_roundsize(type,n) ((n) | 4 & ~3) 315#define array_roundsize(type,n) (((n) | 4) & ~3)
292 316
293#define array_needsize(type,base,cur,cnt,init) \ 317#define array_needsize(type,base,cur,cnt,init) \
294 if (expect_false ((cnt) > cur)) \ 318 if (expect_false ((cnt) > cur)) \
295 { \ 319 { \
296 int newcnt = cur; \ 320 int newcnt = cur; \
311 stem ## max = array_roundsize (stem ## cnt >> 1); \ 335 stem ## max = array_roundsize (stem ## cnt >> 1); \
312 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ 336 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
313 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 337 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
314 } 338 }
315 339
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) \ 340#define array_free(stem, idx) \
322 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 341 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
323 342
324/*****************************************************************************/ 343/*****************************************************************************/
325 344
399 int events = 0; 418 int events = 0;
400 419
401 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 420 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
402 events |= w->events; 421 events |= w->events;
403 422
423#if EV_SELECT_IS_WINSOCKET
424 if (events)
425 {
426 unsigned long argp;
427 anfd->handle = _get_osfhandle (fd);
428 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
429 }
430#endif
431
404 anfd->reify = 0; 432 anfd->reify = 0;
405 433
406 method_modify (EV_A_ fd, anfd->events, events); 434 method_modify (EV_A_ fd, anfd->events, events);
407 anfd->events = events; 435 anfd->events = events;
408 } 436 }
436} 464}
437 465
438static int 466static int
439fd_valid (int fd) 467fd_valid (int fd)
440{ 468{
441#ifdef WIN32 469#ifdef _WIN32
442 return !!win32_get_osfhandle (fd); 470 return _get_osfhandle (fd) != -1;
443#else 471#else
444 return fcntl (fd, F_GETFD) != -1; 472 return fcntl (fd, F_GETFD) != -1;
445#endif 473#endif
446} 474}
447 475
528 heap [k] = w; 556 heap [k] = w;
529 ((W)heap [k])->active = k + 1; 557 ((W)heap [k])->active = k + 1;
530} 558}
531 559
532inline void 560inline void
533adjustheap (WT *heap, int N, int k, ev_tstamp at) 561adjustheap (WT *heap, int N, int k)
534{ 562{
535 ev_tstamp old_at = heap [k]->at; 563 upheap (heap, k);
536 heap [k]->at = at;
537
538 if (old_at < at)
539 downheap (heap, N, k); 564 downheap (heap, N, k);
540 else
541 upheap (heap, k);
542} 565}
543 566
544/*****************************************************************************/ 567/*****************************************************************************/
545 568
546typedef struct 569typedef struct
569} 592}
570 593
571static void 594static void
572sighandler (int signum) 595sighandler (int signum)
573{ 596{
574#if WIN32 597#if _WIN32
575 signal (signum, sighandler); 598 signal (signum, sighandler);
576#endif 599#endif
577 600
578 signals [signum - 1].gotsig = 1; 601 signals [signum - 1].gotsig = 1;
579 602
580 if (!gotsig) 603 if (!gotsig)
581 { 604 {
582 int old_errno = errno; 605 int old_errno = errno;
583 gotsig = 1; 606 gotsig = 1;
584#ifdef WIN32
585 send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
586#else
587 write (sigpipe [1], &signum, 1); 607 write (sigpipe [1], &signum, 1);
588#endif
589 errno = old_errno; 608 errno = old_errno;
590 } 609 }
591} 610}
592 611
593void 612void
613static void 632static void
614sigcb (EV_P_ struct ev_io *iow, int revents) 633sigcb (EV_P_ struct ev_io *iow, int revents)
615{ 634{
616 int signum; 635 int signum;
617 636
618#ifdef WIN32
619 recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
620#else
621 read (sigpipe [0], &revents, 1); 637 read (sigpipe [0], &revents, 1);
622#endif
623 gotsig = 0; 638 gotsig = 0;
624 639
625 for (signum = signalmax; signum--; ) 640 for (signum = signalmax; signum--; )
626 if (signals [signum].gotsig) 641 if (signals [signum].gotsig)
627 ev_feed_signal_event (EV_A_ signum + 1); 642 ev_feed_signal_event (EV_A_ signum + 1);
628} 643}
629 644
645inline void
646fd_intern (int fd)
647{
648#ifdef _WIN32
649 int arg = 1;
650 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
651#else
652 fcntl (fd, F_SETFD, FD_CLOEXEC);
653 fcntl (fd, F_SETFL, O_NONBLOCK);
654#endif
655}
656
630static void 657static void
631siginit (EV_P) 658siginit (EV_P)
632{ 659{
633#ifndef WIN32 660 fd_intern (sigpipe [0]);
634 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 661 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
641 662
642 ev_io_set (&sigev, sigpipe [0], EV_READ); 663 ev_io_set (&sigev, sigpipe [0], EV_READ);
643 ev_io_start (EV_A_ &sigev); 664 ev_io_start (EV_A_ &sigev);
644 ev_unref (EV_A); /* child watcher should not keep loop alive */ 665 ev_unref (EV_A); /* child watcher should not keep loop alive */
645} 666}
646 667
647/*****************************************************************************/ 668/*****************************************************************************/
648 669
649static struct ev_child *childs [PID_HASHSIZE]; 670static struct ev_child *childs [PID_HASHSIZE];
650 671
651#ifndef WIN32 672#ifndef _WIN32
652 673
653static struct ev_signal childev; 674static struct ev_signal childev;
654 675
655#ifndef WCONTINUED 676#ifndef WCONTINUED
656# define WCONTINUED 0 677# define WCONTINUED 0
717 738
718/* return true if we are running with elevated privileges and should ignore env variables */ 739/* return true if we are running with elevated privileges and should ignore env variables */
719static int 740static int
720enable_secure (void) 741enable_secure (void)
721{ 742{
722#ifdef WIN32 743#ifdef _WIN32
723 return 0; 744 return 0;
724#else 745#else
725 return getuid () != geteuid () 746 return getuid () != geteuid ()
726 || getgid () != getegid (); 747 || getgid () != getegid ();
727#endif 748#endif
728} 749}
729 750
730int 751unsigned int
731ev_method (EV_P) 752ev_method (EV_P)
732{ 753{
733 return method; 754 return method;
734} 755}
735 756
736static void 757static void
737loop_init (EV_P_ int methods) 758loop_init (EV_P_ unsigned int flags)
738{ 759{
739 if (!method) 760 if (!method)
740 { 761 {
741#if EV_USE_MONOTONIC 762#if EV_USE_MONOTONIC
742 { 763 {
749 ev_rt_now = ev_time (); 770 ev_rt_now = ev_time ();
750 mn_now = get_clock (); 771 mn_now = get_clock ();
751 now_floor = mn_now; 772 now_floor = mn_now;
752 rtmn_diff = ev_rt_now - mn_now; 773 rtmn_diff = ev_rt_now - mn_now;
753 774
754 if (methods == EVMETHOD_AUTO) 775 if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
755 if (!enable_secure () && getenv ("LIBEV_METHODS"))
756 methods = atoi (getenv ("LIBEV_METHODS")); 776 flags = atoi (getenv ("LIBEV_FLAGS"));
757 else 777
758 methods = EVMETHOD_ANY; 778 if (!(flags & 0x0000ffff))
779 flags |= 0x0000ffff;
759 780
760 method = 0; 781 method = 0;
761#if EV_USE_WIN32
762 if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
763#endif
764#if EV_USE_KQUEUE 782#if EV_USE_KQUEUE
765 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 783 if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
766#endif 784#endif
767#if EV_USE_EPOLL 785#if EV_USE_EPOLL
768 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 786 if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
769#endif 787#endif
770#if EV_USE_POLL 788#if EV_USE_POLL
771 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 789 if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
772#endif 790#endif
773#if EV_USE_SELECT 791#if EV_USE_SELECT
774 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 792 if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
775#endif 793#endif
776 794
777 ev_init (&sigev, sigcb); 795 ev_init (&sigev, sigcb);
778 ev_set_priority (&sigev, EV_MAXPRI); 796 ev_set_priority (&sigev, EV_MAXPRI);
779 } 797 }
782void 800void
783loop_destroy (EV_P) 801loop_destroy (EV_P)
784{ 802{
785 int i; 803 int i;
786 804
787#if EV_USE_WIN32
788 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
789#endif
790#if EV_USE_KQUEUE 805#if EV_USE_KQUEUE
791 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); 806 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
792#endif 807#endif
793#if EV_USE_EPOLL 808#if EV_USE_EPOLL
794 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); 809 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
802 817
803 for (i = NUMPRI; i--; ) 818 for (i = NUMPRI; i--; )
804 array_free (pending, [i]); 819 array_free (pending, [i]);
805 820
806 /* have to use the microsoft-never-gets-it-right macro */ 821 /* have to use the microsoft-never-gets-it-right macro */
807 array_free_microshit (fdchange); 822 array_free (fdchange, EMPTY);
808 array_free_microshit (timer); 823 array_free (timer, EMPTY);
809 array_free_microshit (periodic); 824#if EV_PERIODICS
810 array_free_microshit (idle); 825 array_free (periodic, EMPTY);
811 array_free_microshit (prepare); 826#endif
812 array_free_microshit (check); 827 array_free (idle, EMPTY);
828 array_free (prepare, EMPTY);
829 array_free (check, EMPTY);
813 830
814 method = 0; 831 method = 0;
815} 832}
816 833
817static void 834static void
842 postfork = 0; 859 postfork = 0;
843} 860}
844 861
845#if EV_MULTIPLICITY 862#if EV_MULTIPLICITY
846struct ev_loop * 863struct ev_loop *
847ev_loop_new (int methods) 864ev_loop_new (unsigned int flags)
848{ 865{
849 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 866 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
850 867
851 memset (loop, 0, sizeof (struct ev_loop)); 868 memset (loop, 0, sizeof (struct ev_loop));
852 869
853 loop_init (EV_A_ methods); 870 loop_init (EV_A_ flags);
854 871
855 if (ev_method (EV_A)) 872 if (ev_method (EV_A))
856 return loop; 873 return loop;
857 874
858 return 0; 875 return 0;
876#if EV_MULTIPLICITY 893#if EV_MULTIPLICITY
877struct ev_loop * 894struct ev_loop *
878#else 895#else
879int 896int
880#endif 897#endif
881ev_default_loop (int methods) 898ev_default_loop (unsigned int flags)
882{ 899{
883 if (sigpipe [0] == sigpipe [1]) 900 if (sigpipe [0] == sigpipe [1])
884 if (pipe (sigpipe)) 901 if (pipe (sigpipe))
885 return 0; 902 return 0;
886 903
890 struct ev_loop *loop = default_loop = &default_loop_struct; 907 struct ev_loop *loop = default_loop = &default_loop_struct;
891#else 908#else
892 default_loop = 1; 909 default_loop = 1;
893#endif 910#endif
894 911
895 loop_init (EV_A_ methods); 912 loop_init (EV_A_ flags);
896 913
897 if (ev_method (EV_A)) 914 if (ev_method (EV_A))
898 { 915 {
899 siginit (EV_A); 916 siginit (EV_A);
900 917
901#ifndef WIN32 918#ifndef _WIN32
902 ev_signal_init (&childev, childcb, SIGCHLD); 919 ev_signal_init (&childev, childcb, SIGCHLD);
903 ev_set_priority (&childev, EV_MAXPRI); 920 ev_set_priority (&childev, EV_MAXPRI);
904 ev_signal_start (EV_A_ &childev); 921 ev_signal_start (EV_A_ &childev);
905 ev_unref (EV_A); /* child watcher should not keep loop alive */ 922 ev_unref (EV_A); /* child watcher should not keep loop alive */
906#endif 923#endif
917{ 934{
918#if EV_MULTIPLICITY 935#if EV_MULTIPLICITY
919 struct ev_loop *loop = default_loop; 936 struct ev_loop *loop = default_loop;
920#endif 937#endif
921 938
922#ifndef WIN32 939#ifndef _WIN32
923 ev_ref (EV_A); /* child watcher */ 940 ev_ref (EV_A); /* child watcher */
924 ev_signal_stop (EV_A_ &childev); 941 ev_signal_stop (EV_A_ &childev);
925#endif 942#endif
926 943
927 ev_ref (EV_A); /* signal watcher */ 944 ev_ref (EV_A); /* signal watcher */
1001 1018
1002 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1019 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1003 } 1020 }
1004} 1021}
1005 1022
1023#if EV_PERIODICS
1006static void 1024static void
1007periodics_reify (EV_P) 1025periodics_reify (EV_P)
1008{ 1026{
1009 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1027 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1010 { 1028 {
1013 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1031 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1014 1032
1015 /* first reschedule or stop timer */ 1033 /* first reschedule or stop timer */
1016 if (w->reschedule_cb) 1034 if (w->reschedule_cb)
1017 { 1035 {
1018 ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); 1036 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1019
1020 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1037 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1021 downheap ((WT *)periodics, periodiccnt, 0); 1038 downheap ((WT *)periodics, periodiccnt, 0);
1022 } 1039 }
1023 else if (w->interval) 1040 else if (w->interval)
1024 { 1041 {
1051 1068
1052 /* now rebuild the heap */ 1069 /* now rebuild the heap */
1053 for (i = periodiccnt >> 1; i--; ) 1070 for (i = periodiccnt >> 1; i--; )
1054 downheap ((WT *)periodics, periodiccnt, i); 1071 downheap ((WT *)periodics, periodiccnt, i);
1055} 1072}
1073#endif
1056 1074
1057inline int 1075inline int
1058time_update_monotonic (EV_P) 1076time_update_monotonic (EV_P)
1059{ 1077{
1060 mn_now = get_clock (); 1078 mn_now = get_clock ();
1094 ev_rt_now = ev_time (); 1112 ev_rt_now = ev_time ();
1095 mn_now = get_clock (); 1113 mn_now = get_clock ();
1096 now_floor = mn_now; 1114 now_floor = mn_now;
1097 } 1115 }
1098 1116
1117# if EV_PERIODICS
1099 periodics_reschedule (EV_A); 1118 periodics_reschedule (EV_A);
1119# endif
1100 /* no timer adjustment, as the monotonic clock doesn't jump */ 1120 /* no timer adjustment, as the monotonic clock doesn't jump */
1101 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1121 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1102 } 1122 }
1103 } 1123 }
1104 else 1124 else
1106 { 1126 {
1107 ev_rt_now = ev_time (); 1127 ev_rt_now = ev_time ();
1108 1128
1109 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1129 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
1110 { 1130 {
1131#if EV_PERIODICS
1111 periodics_reschedule (EV_A); 1132 periodics_reschedule (EV_A);
1133#endif
1112 1134
1113 /* adjust timers. this is easy, as the offset is the same for all */ 1135 /* adjust timers. this is easy, as the offset is the same for all */
1114 for (i = 0; i < timercnt; ++i) 1136 for (i = 0; i < timercnt; ++i)
1115 ((WT)timers [i])->at += ev_rt_now - mn_now; 1137 ((WT)timers [i])->at += ev_rt_now - mn_now;
1116 } 1138 }
1179 { 1201 {
1180 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; 1202 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1181 if (block > to) block = to; 1203 if (block > to) block = to;
1182 } 1204 }
1183 1205
1206#if EV_PERIODICS
1184 if (periodiccnt) 1207 if (periodiccnt)
1185 { 1208 {
1186 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; 1209 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1187 if (block > to) block = to; 1210 if (block > to) block = to;
1188 } 1211 }
1212#endif
1189 1213
1190 if (block < 0.) block = 0.; 1214 if (block < 0.) block = 0.;
1191 } 1215 }
1192 1216
1193 method_poll (EV_A_ block); 1217 method_poll (EV_A_ block);
1195 /* update ev_rt_now, do magic */ 1219 /* update ev_rt_now, do magic */
1196 time_update (EV_A); 1220 time_update (EV_A);
1197 1221
1198 /* queue pending timers and reschedule them */ 1222 /* queue pending timers and reschedule them */
1199 timers_reify (EV_A); /* relative timers called last */ 1223 timers_reify (EV_A); /* relative timers called last */
1224#if EV_PERIODICS
1200 periodics_reify (EV_A); /* absolute timers called first */ 1225 periodics_reify (EV_A); /* absolute timers called first */
1226#endif
1201 1227
1202 /* queue idle watchers unless io or timers are pending */ 1228 /* queue idle watchers unless io or timers are pending */
1203 if (idlecnt && !any_pending (EV_A)) 1229 if (idlecnt && !any_pending (EV_A))
1204 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1230 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1205 1231
1334 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1360 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1335 1361
1336 if (((W)w)->active < timercnt--) 1362 if (((W)w)->active < timercnt--)
1337 { 1363 {
1338 timers [((W)w)->active - 1] = timers [timercnt]; 1364 timers [((W)w)->active - 1] = timers [timercnt];
1339 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1365 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1340 } 1366 }
1341 1367
1342 ((WT)w)->at -= mn_now; 1368 ((WT)w)->at -= mn_now;
1343 1369
1344 ev_stop (EV_A_ (W)w); 1370 ev_stop (EV_A_ (W)w);
1348ev_timer_again (EV_P_ struct ev_timer *w) 1374ev_timer_again (EV_P_ struct ev_timer *w)
1349{ 1375{
1350 if (ev_is_active (w)) 1376 if (ev_is_active (w))
1351 { 1377 {
1352 if (w->repeat) 1378 if (w->repeat)
1379 {
1380 ((WT)w)->at = mn_now + w->repeat;
1353 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); 1381 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1382 }
1354 else 1383 else
1355 ev_timer_stop (EV_A_ w); 1384 ev_timer_stop (EV_A_ w);
1356 } 1385 }
1357 else if (w->repeat) 1386 else if (w->repeat)
1358 ev_timer_start (EV_A_ w); 1387 ev_timer_start (EV_A_ w);
1359} 1388}
1360 1389
1390#if EV_PERIODICS
1361void 1391void
1362ev_periodic_start (EV_P_ struct ev_periodic *w) 1392ev_periodic_start (EV_P_ struct ev_periodic *w)
1363{ 1393{
1364 if (ev_is_active (w)) 1394 if (ev_is_active (w))
1365 return; 1395 return;
1391 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1421 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1392 1422
1393 if (((W)w)->active < periodiccnt--) 1423 if (((W)w)->active < periodiccnt--)
1394 { 1424 {
1395 periodics [((W)w)->active - 1] = periodics [periodiccnt]; 1425 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1396 downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); 1426 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1397 } 1427 }
1398 1428
1399 ev_stop (EV_A_ (W)w); 1429 ev_stop (EV_A_ (W)w);
1400} 1430}
1401 1431
1404{ 1434{
1405 /* TODO: use adjustheap and recalculation */ 1435 /* TODO: use adjustheap and recalculation */
1406 ev_periodic_stop (EV_A_ w); 1436 ev_periodic_stop (EV_A_ w);
1407 ev_periodic_start (EV_A_ w); 1437 ev_periodic_start (EV_A_ w);
1408} 1438}
1439#endif
1409 1440
1410void 1441void
1411ev_idle_start (EV_P_ struct ev_idle *w) 1442ev_idle_start (EV_P_ struct ev_idle *w)
1412{ 1443{
1413 if (ev_is_active (w)) 1444 if (ev_is_active (w))
1420 1451
1421void 1452void
1422ev_idle_stop (EV_P_ struct ev_idle *w) 1453ev_idle_stop (EV_P_ struct ev_idle *w)
1423{ 1454{
1424 ev_clear_pending (EV_A_ (W)w); 1455 ev_clear_pending (EV_A_ (W)w);
1425 if (ev_is_active (w)) 1456 if (!ev_is_active (w))
1426 return; 1457 return;
1427 1458
1428 idles [((W)w)->active - 1] = idles [--idlecnt]; 1459 idles [((W)w)->active - 1] = idles [--idlecnt];
1429 ev_stop (EV_A_ (W)w); 1460 ev_stop (EV_A_ (W)w);
1430} 1461}
1442 1473
1443void 1474void
1444ev_prepare_stop (EV_P_ struct ev_prepare *w) 1475ev_prepare_stop (EV_P_ struct ev_prepare *w)
1445{ 1476{
1446 ev_clear_pending (EV_A_ (W)w); 1477 ev_clear_pending (EV_A_ (W)w);
1447 if (ev_is_active (w)) 1478 if (!ev_is_active (w))
1448 return; 1479 return;
1449 1480
1450 prepares [((W)w)->active - 1] = prepares [--preparecnt]; 1481 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1451 ev_stop (EV_A_ (W)w); 1482 ev_stop (EV_A_ (W)w);
1452} 1483}
1464 1495
1465void 1496void
1466ev_check_stop (EV_P_ struct ev_check *w) 1497ev_check_stop (EV_P_ struct ev_check *w)
1467{ 1498{
1468 ev_clear_pending (EV_A_ (W)w); 1499 ev_clear_pending (EV_A_ (W)w);
1469 if (ev_is_active (w)) 1500 if (!ev_is_active (w))
1470 return; 1501 return;
1471 1502
1472 checks [((W)w)->active - 1] = checks [--checkcnt]; 1503 checks [((W)w)->active - 1] = checks [--checkcnt];
1473 ev_stop (EV_A_ (W)w); 1504 ev_stop (EV_A_ (W)w);
1474} 1505}
1492 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 1523 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1493 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1524 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1494 1525
1495 if (!((WL)w)->next) 1526 if (!((WL)w)->next)
1496 { 1527 {
1497#if WIN32 1528#if _WIN32
1498 signal (w->signum, sighandler); 1529 signal (w->signum, sighandler);
1499#else 1530#else
1500 struct sigaction sa; 1531 struct sigaction sa;
1501 sa.sa_handler = sighandler; 1532 sa.sa_handler = sighandler;
1502 sigfillset (&sa.sa_mask); 1533 sigfillset (&sa.sa_mask);
1535 1566
1536void 1567void
1537ev_child_stop (EV_P_ struct ev_child *w) 1568ev_child_stop (EV_P_ struct ev_child *w)
1538{ 1569{
1539 ev_clear_pending (EV_A_ (W)w); 1570 ev_clear_pending (EV_A_ (W)w);
1540 if (ev_is_active (w)) 1571 if (!ev_is_active (w))
1541 return; 1572 return;
1542 1573
1543 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1574 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1544 ev_stop (EV_A_ (W)w); 1575 ev_stop (EV_A_ (W)w);
1545} 1576}

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines