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Comparing libev/ev.c (file contents):
Revision 1.61 by root, Sun Nov 4 19:45:09 2007 UTC vs.
Revision 1.75 by root, Tue Nov 6 19:29:20 2007 UTC

… …
54 54
55#endif 55#endif
56 56
57#include <math.h> 57#include <math.h>
58#include <stdlib.h> 58#include <stdlib.h>
59#include <unistd.h>
60#include <fcntl.h> 59#include <fcntl.h>
61#include <signal.h>
62#include <stddef.h> 60#include <stddef.h>
63 61
64#include <stdio.h> 62#include <stdio.h>
65 63
66#include <assert.h> 64#include <assert.h>
67#include <errno.h> 65#include <errno.h>
68#include <sys/types.h> 66#include <sys/types.h>
67#include <time.h>
68
69#include <signal.h>
70
69#ifndef WIN32 71#ifndef WIN32
72# include <unistd.h>
73# include <sys/time.h>
70# include <sys/wait.h> 74# include <sys/wait.h>
71#endif 75#endif
72#include <sys/time.h>
73#include <time.h>
74
75/**/ 76/**/
76 77
77#ifndef EV_USE_MONOTONIC 78#ifndef EV_USE_MONOTONIC
78# define EV_USE_MONOTONIC 1 79# define EV_USE_MONOTONIC 1
79#endif 80#endif
… …
90# define EV_USE_EPOLL 0 91# define EV_USE_EPOLL 0
91#endif 92#endif
92 93
93#ifndef EV_USE_KQUEUE 94#ifndef EV_USE_KQUEUE
94# define EV_USE_KQUEUE 0 95# define EV_USE_KQUEUE 0
96#endif
97
98#ifndef EV_USE_WIN32
99# ifdef WIN32
100# define EV_USE_WIN32 0 /* it does not exist, use select */
101# undef EV_USE_SELECT
102# define EV_USE_SELECT 1
103# else
104# define EV_USE_WIN32 0
105# endif
95#endif 106#endif
96 107
97#ifndef EV_USE_REALTIME 108#ifndef EV_USE_REALTIME
98# define EV_USE_REALTIME 1 109# define EV_USE_REALTIME 1
99#endif 110#endif
… …
137typedef struct ev_watcher_list *WL; 148typedef struct ev_watcher_list *WL;
138typedef struct ev_watcher_time *WT; 149typedef struct ev_watcher_time *WT;
139 150
140static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 151static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
141 152
153#include "ev_win32.c"
154
142/*****************************************************************************/ 155/*****************************************************************************/
143 156
157static void (*syserr_cb)(const char *msg);
158
159void ev_set_syserr_cb (void (*cb)(const char *msg))
160{
161 syserr_cb = cb;
162}
163
164static void
165syserr (const char *msg)
166{
167 if (!msg)
168 msg = "(libev) system error";
169
170 if (syserr_cb)
171 syserr_cb (msg);
172 else
173 {
174 perror (msg);
175 abort ();
176 }
177}
178
179static void *(*alloc)(void *ptr, long size);
180
181void ev_set_allocator (void *(*cb)(void *ptr, long size))
182{
183 alloc = cb;
184}
185
186static void *
187ev_realloc (void *ptr, long size)
188{
189 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
190
191 if (!ptr && size)
192 {
193 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
194 abort ();
195 }
196
197 return ptr;
198}
199
200#define ev_malloc(size) ev_realloc (0, (size))
201#define ev_free(ptr) ev_realloc ((ptr), 0)
202
203/*****************************************************************************/
204
144typedef struct 205typedef struct
145{ 206{
146 struct ev_watcher_list *head; 207 WL head;
147 unsigned char events; 208 unsigned char events;
148 unsigned char reify; 209 unsigned char reify;
149} ANFD; 210} ANFD;
150 211
151typedef struct 212typedef struct
… …
207ev_now (EV_P) 268ev_now (EV_P)
208{ 269{
209 return rt_now; 270 return rt_now;
210} 271}
211 272
212#define array_roundsize(base,n) ((n) | 4 & ~3) 273#define array_roundsize(type,n) ((n) | 4 & ~3)
213 274
214#define array_needsize(base,cur,cnt,init) \ 275#define array_needsize(type,base,cur,cnt,init) \
215 if (expect_false ((cnt) > cur)) \ 276 if (expect_false ((cnt) > cur)) \
216 { \ 277 { \
217 int newcnt = cur; \ 278 int newcnt = cur; \
218 do \ 279 do \
219 { \ 280 { \
220 newcnt = array_roundsize (base, newcnt << 1); \ 281 newcnt = array_roundsize (type, newcnt << 1); \
221 } \ 282 } \
222 while ((cnt) > newcnt); \ 283 while ((cnt) > newcnt); \
223 \ 284 \
224 base = realloc (base, sizeof (*base) * (newcnt)); \ 285 base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
225 init (base + cur, newcnt - cur); \ 286 init (base + cur, newcnt - cur); \
226 cur = newcnt; \ 287 cur = newcnt; \
227 } 288 }
289
290#define array_slim(type,stem) \
291 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
292 { \
293 stem ## max = array_roundsize (stem ## cnt >> 1); \
294 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
295 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
296 }
297
298/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
299/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
300#define array_free_microshit(stem) \
301 ev_free (stem ## s); stem ## cnt = stem ## max = 0;
302
303#define array_free(stem, idx) \
304 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
228 305
229/*****************************************************************************/ 306/*****************************************************************************/
230 307
231static void 308static void
232anfds_init (ANFD *base, int count) 309anfds_init (ANFD *base, int count)
… …
249 pendings [ABSPRI (w)][w->pending - 1].events |= events; 326 pendings [ABSPRI (w)][w->pending - 1].events |= events;
250 return; 327 return;
251 } 328 }
252 329
253 w->pending = ++pendingcnt [ABSPRI (w)]; 330 w->pending = ++pendingcnt [ABSPRI (w)];
254 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); 331 array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));
255 pendings [ABSPRI (w)][w->pending - 1].w = w; 332 pendings [ABSPRI (w)][w->pending - 1].w = w;
256 pendings [ABSPRI (w)][w->pending - 1].events = events; 333 pendings [ABSPRI (w)][w->pending - 1].events = events;
257} 334}
258 335
259static void 336static void
… …
298 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 375 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
299 events |= w->events; 376 events |= w->events;
300 377
301 anfd->reify = 0; 378 anfd->reify = 0;
302 379
303 if (anfd->events != events)
304 {
305 method_modify (EV_A_ fd, anfd->events, events); 380 method_modify (EV_A_ fd, anfd->events, events);
306 anfd->events = events; 381 anfd->events = events;
307 }
308 } 382 }
309 383
310 fdchangecnt = 0; 384 fdchangecnt = 0;
311} 385}
312 386
313static void 387static void
314fd_change (EV_P_ int fd) 388fd_change (EV_P_ int fd)
315{ 389{
316 if (anfds [fd].reify || fdchangecnt < 0) 390 if (anfds [fd].reify)
317 return; 391 return;
318 392
319 anfds [fd].reify = 1; 393 anfds [fd].reify = 1;
320 394
321 ++fdchangecnt; 395 ++fdchangecnt;
322 array_needsize (fdchanges, fdchangemax, fdchangecnt, ); 396 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
323 fdchanges [fdchangecnt - 1] = fd; 397 fdchanges [fdchangecnt - 1] = fd;
324} 398}
325 399
326static void 400static void
327fd_kill (EV_P_ int fd) 401fd_kill (EV_P_ int fd)
… …
333 ev_io_stop (EV_A_ w); 407 ev_io_stop (EV_A_ w);
334 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 408 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
335 } 409 }
336} 410}
337 411
412static int
413fd_valid (int fd)
414{
415#ifdef WIN32
416 return !!win32_get_osfhandle (fd);
417#else
418 return fcntl (fd, F_GETFD) != -1;
419#endif
420}
421
338/* called on EBADF to verify fds */ 422/* called on EBADF to verify fds */
339static void 423static void
340fd_ebadf (EV_P) 424fd_ebadf (EV_P)
341{ 425{
342 int fd; 426 int fd;
343 427
344 for (fd = 0; fd < anfdmax; ++fd) 428 for (fd = 0; fd < anfdmax; ++fd)
345 if (anfds [fd].events) 429 if (anfds [fd].events)
346 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) 430 if (!fd_valid (fd) == -1 && errno == EBADF)
347 fd_kill (EV_A_ fd); 431 fd_kill (EV_A_ fd);
348} 432}
349 433
350/* called on ENOMEM in select/poll to kill some fds and retry */ 434/* called on ENOMEM in select/poll to kill some fds and retry */
351static void 435static void
352fd_enomem (EV_P) 436fd_enomem (EV_P)
353{ 437{
354 int fd = anfdmax; 438 int fd;
355 439
356 while (fd--) 440 for (fd = anfdmax; fd--; )
357 if (anfds [fd].events) 441 if (anfds [fd].events)
358 { 442 {
359 close (fd);
360 fd_kill (EV_A_ fd); 443 fd_kill (EV_A_ fd);
361 return; 444 return;
362 } 445 }
363} 446}
364 447
365/* susually called after fork if method needs to re-arm all fds from scratch */ 448/* usually called after fork if method needs to re-arm all fds from scratch */
366static void 449static void
367fd_rearm_all (EV_P) 450fd_rearm_all (EV_P)
368{ 451{
369 int fd; 452 int fd;
370 453
… …
385 WT w = heap [k]; 468 WT w = heap [k];
386 469
387 while (k && heap [k >> 1]->at > w->at) 470 while (k && heap [k >> 1]->at > w->at)
388 { 471 {
389 heap [k] = heap [k >> 1]; 472 heap [k] = heap [k >> 1];
390 heap [k]->active = k + 1; 473 ((W)heap [k])->active = k + 1;
391 k >>= 1; 474 k >>= 1;
392 } 475 }
393 476
394 heap [k] = w; 477 heap [k] = w;
395 heap [k]->active = k + 1; 478 ((W)heap [k])->active = k + 1;
396 479
397} 480}
398 481
399static void 482static void
400downheap (WT *heap, int N, int k) 483downheap (WT *heap, int N, int k)
… …
410 493
411 if (w->at <= heap [j]->at) 494 if (w->at <= heap [j]->at)
412 break; 495 break;
413 496
414 heap [k] = heap [j]; 497 heap [k] = heap [j];
415 heap [k]->active = k + 1; 498 ((W)heap [k])->active = k + 1;
416 k = j; 499 k = j;
417 } 500 }
418 501
419 heap [k] = w; 502 heap [k] = w;
420 heap [k]->active = k + 1; 503 ((W)heap [k])->active = k + 1;
421} 504}
422 505
423/*****************************************************************************/ 506/*****************************************************************************/
424 507
425typedef struct 508typedef struct
426{ 509{
427 struct ev_watcher_list *head; 510 WL head;
428 sig_atomic_t volatile gotsig; 511 sig_atomic_t volatile gotsig;
429} ANSIG; 512} ANSIG;
430 513
431static ANSIG *signals; 514static ANSIG *signals;
432static int signalmax; 515static int signalmax;
… …
448} 531}
449 532
450static void 533static void
451sighandler (int signum) 534sighandler (int signum)
452{ 535{
536#if WIN32
537 signal (signum, sighandler);
538#endif
539
453 signals [signum - 1].gotsig = 1; 540 signals [signum - 1].gotsig = 1;
454 541
455 if (!gotsig) 542 if (!gotsig)
456 { 543 {
457 int old_errno = errno; 544 int old_errno = errno;
458 gotsig = 1; 545 gotsig = 1;
546#ifdef WIN32
547 send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
548#else
459 write (sigpipe [1], &signum, 1); 549 write (sigpipe [1], &signum, 1);
550#endif
460 errno = old_errno; 551 errno = old_errno;
461 } 552 }
462} 553}
463 554
464static void 555static void
465sigcb (EV_P_ struct ev_io *iow, int revents) 556sigcb (EV_P_ struct ev_io *iow, int revents)
466{ 557{
467 struct ev_watcher_list *w; 558 WL w;
468 int signum; 559 int signum;
469 560
561#ifdef WIN32
562 recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
563#else
470 read (sigpipe [0], &revents, 1); 564 read (sigpipe [0], &revents, 1);
565#endif
471 gotsig = 0; 566 gotsig = 0;
472 567
473 for (signum = signalmax; signum--; ) 568 for (signum = signalmax; signum--; )
474 if (signals [signum].gotsig) 569 if (signals [signum].gotsig)
475 { 570 {
… …
497 ev_unref (EV_A); /* child watcher should not keep loop alive */ 592 ev_unref (EV_A); /* child watcher should not keep loop alive */
498} 593}
499 594
500/*****************************************************************************/ 595/*****************************************************************************/
501 596
597static struct ev_child *childs [PID_HASHSIZE];
598
502#ifndef WIN32 599#ifndef WIN32
503 600
504static struct ev_child *childs [PID_HASHSIZE];
505static struct ev_signal childev; 601static struct ev_signal childev;
506 602
507#ifndef WCONTINUED 603#ifndef WCONTINUED
508# define WCONTINUED 0 604# define WCONTINUED 0
509#endif 605#endif
… …
514 struct ev_child *w; 610 struct ev_child *w;
515 611
516 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) 612 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
517 if (w->pid == pid || !w->pid) 613 if (w->pid == pid || !w->pid)
518 { 614 {
519 w->priority = sw->priority; /* need to do it *now* */ 615 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
520 w->rpid = pid; 616 w->rpid = pid;
521 w->rstatus = status; 617 w->rstatus = status;
522 event (EV_A_ (W)w, EV_CHILD); 618 event (EV_A_ (W)w, EV_CHILD);
523 } 619 }
524} 620}
525 621
526static void 622static void
… …
608 methods = atoi (getenv ("LIBEV_METHODS")); 704 methods = atoi (getenv ("LIBEV_METHODS"));
609 else 705 else
610 methods = EVMETHOD_ANY; 706 methods = EVMETHOD_ANY;
611 707
612 method = 0; 708 method = 0;
709#if EV_USE_WIN32
710 if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
711#endif
613#if EV_USE_KQUEUE 712#if EV_USE_KQUEUE
614 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 713 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
615#endif 714#endif
616#if EV_USE_EPOLL 715#if EV_USE_EPOLL
617 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 716 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
… …
620 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 719 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
621#endif 720#endif
622#if EV_USE_SELECT 721#if EV_USE_SELECT
623 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 722 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
624#endif 723#endif
724
725 ev_watcher_init (&sigev, sigcb);
726 ev_set_priority (&sigev, EV_MAXPRI);
625 } 727 }
626} 728}
627 729
628void 730void
629loop_destroy (EV_P) 731loop_destroy (EV_P)
630{ 732{
733 int i;
734
735#if EV_USE_WIN32
736 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
737#endif
631#if EV_USE_KQUEUE 738#if EV_USE_KQUEUE
632 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); 739 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
633#endif 740#endif
634#if EV_USE_EPOLL 741#if EV_USE_EPOLL
635 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); 742 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
… …
639#endif 746#endif
640#if EV_USE_SELECT 747#if EV_USE_SELECT
641 if (method == EVMETHOD_SELECT) select_destroy (EV_A); 748 if (method == EVMETHOD_SELECT) select_destroy (EV_A);
642#endif 749#endif
643 750
751 for (i = NUMPRI; i--; )
752 array_free (pending, [i]);
753
754 /* have to use the microsoft-never-gets-it-right macro */
755 array_free_microshit (fdchange);
756 array_free_microshit (timer);
757 array_free_microshit (periodic);
758 array_free_microshit (idle);
759 array_free_microshit (prepare);
760 array_free_microshit (check);
761
644 method = 0; 762 method = 0;
645 /*TODO*/
646} 763}
647 764
648void 765static void
649loop_fork (EV_P) 766loop_fork (EV_P)
650{ 767{
651 /*TODO*/
652#if EV_USE_EPOLL 768#if EV_USE_EPOLL
653 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); 769 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
654#endif 770#endif
655#if EV_USE_KQUEUE 771#if EV_USE_KQUEUE
656 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); 772 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
657#endif 773#endif
774
775 if (ev_is_active (&sigev))
776 {
777 /* default loop */
778
779 ev_ref (EV_A);
780 ev_io_stop (EV_A_ &sigev);
781 close (sigpipe [0]);
782 close (sigpipe [1]);
783
784 while (pipe (sigpipe))
785 syserr ("(libev) error creating pipe");
786
787 siginit (EV_A);
788 }
789
790 postfork = 0;
658} 791}
659 792
660#if EV_MULTIPLICITY 793#if EV_MULTIPLICITY
661struct ev_loop * 794struct ev_loop *
662ev_loop_new (int methods) 795ev_loop_new (int methods)
663{ 796{
664 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); 797 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
798
799 memset (loop, 0, sizeof (struct ev_loop));
665 800
666 loop_init (EV_A_ methods); 801 loop_init (EV_A_ methods);
667 802
668 if (ev_method (EV_A)) 803 if (ev_method (EV_A))
669 return loop; 804 return loop;
… …
673 808
674void 809void
675ev_loop_destroy (EV_P) 810ev_loop_destroy (EV_P)
676{ 811{
677 loop_destroy (EV_A); 812 loop_destroy (EV_A);
678 free (loop); 813 ev_free (loop);
679} 814}
680 815
681void 816void
682ev_loop_fork (EV_P) 817ev_loop_fork (EV_P)
683{ 818{
684 loop_fork (EV_A); 819 postfork = 1;
685} 820}
686 821
687#endif 822#endif
688 823
689#if EV_MULTIPLICITY 824#if EV_MULTIPLICITY
… …
712 847
713 loop_init (EV_A_ methods); 848 loop_init (EV_A_ methods);
714 849
715 if (ev_method (EV_A)) 850 if (ev_method (EV_A))
716 { 851 {
717 ev_watcher_init (&sigev, sigcb);
718 ev_set_priority (&sigev, EV_MAXPRI);
719 siginit (EV_A); 852 siginit (EV_A);
720 853
721#ifndef WIN32 854#ifndef WIN32
722 ev_signal_init (&childev, childcb, SIGCHLD); 855 ev_signal_init (&childev, childcb, SIGCHLD);
723 ev_set_priority (&childev, EV_MAXPRI); 856 ev_set_priority (&childev, EV_MAXPRI);
… …
737{ 870{
738#if EV_MULTIPLICITY 871#if EV_MULTIPLICITY
739 struct ev_loop *loop = default_loop; 872 struct ev_loop *loop = default_loop;
740#endif 873#endif
741 874
875#ifndef WIN32
742 ev_ref (EV_A); /* child watcher */ 876 ev_ref (EV_A); /* child watcher */
743 ev_signal_stop (EV_A_ &childev); 877 ev_signal_stop (EV_A_ &childev);
878#endif
744 879
745 ev_ref (EV_A); /* signal watcher */ 880 ev_ref (EV_A); /* signal watcher */
746 ev_io_stop (EV_A_ &sigev); 881 ev_io_stop (EV_A_ &sigev);
747 882
748 close (sigpipe [0]); sigpipe [0] = 0; 883 close (sigpipe [0]); sigpipe [0] = 0;
… …
756{ 891{
757#if EV_MULTIPLICITY 892#if EV_MULTIPLICITY
758 struct ev_loop *loop = default_loop; 893 struct ev_loop *loop = default_loop;
759#endif 894#endif
760 895
761 loop_fork (EV_A); 896 if (method)
762 897 postfork = 1;
763 ev_io_stop (EV_A_ &sigev);
764 close (sigpipe [0]);
765 close (sigpipe [1]);
766 pipe (sigpipe);
767
768 ev_ref (EV_A); /* signal watcher */
769 siginit (EV_A);
770} 898}
771 899
772/*****************************************************************************/ 900/*****************************************************************************/
773 901
774static void 902static void
… …
790} 918}
791 919
792static void 920static void
793timers_reify (EV_P) 921timers_reify (EV_P)
794{ 922{
795 while (timercnt && timers [0]->at <= mn_now) 923 while (timercnt && ((WT)timers [0])->at <= mn_now)
796 { 924 {
797 struct ev_timer *w = timers [0]; 925 struct ev_timer *w = timers [0];
798 926
799 assert (("inactive timer on timer heap detected", ev_is_active (w))); 927 assert (("inactive timer on timer heap detected", ev_is_active (w)));
800 928
801 /* first reschedule or stop timer */ 929 /* first reschedule or stop timer */
802 if (w->repeat) 930 if (w->repeat)
803 { 931 {
804 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 932 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
805 w->at = mn_now + w->repeat; 933 ((WT)w)->at = mn_now + w->repeat;
806 downheap ((WT *)timers, timercnt, 0); 934 downheap ((WT *)timers, timercnt, 0);
807 } 935 }
808 else 936 else
809 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 937 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
810 938
… …
813} 941}
814 942
815static void 943static void
816periodics_reify (EV_P) 944periodics_reify (EV_P)
817{ 945{
818 while (periodiccnt && periodics [0]->at <= rt_now) 946 while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
819 { 947 {
820 struct ev_periodic *w = periodics [0]; 948 struct ev_periodic *w = periodics [0];
821 949
822 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 950 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
823 951
824 /* first reschedule or stop timer */ 952 /* first reschedule or stop timer */
825 if (w->interval) 953 if (w->interval)
826 { 954 {
827 w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; 955 ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
828 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); 956 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
829 downheap ((WT *)periodics, periodiccnt, 0); 957 downheap ((WT *)periodics, periodiccnt, 0);
830 } 958 }
831 else 959 else
832 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 960 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
833 961
… …
845 { 973 {
846 struct ev_periodic *w = periodics [i]; 974 struct ev_periodic *w = periodics [i];
847 975
848 if (w->interval) 976 if (w->interval)
849 { 977 {
850 ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; 978 ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
851 979
852 if (fabs (diff) >= 1e-4) 980 if (fabs (diff) >= 1e-4)
853 { 981 {
854 ev_periodic_stop (EV_A_ w); 982 ev_periodic_stop (EV_A_ w);
855 ev_periodic_start (EV_A_ w); 983 ev_periodic_start (EV_A_ w);
… …
916 { 1044 {
917 periodics_reschedule (EV_A); 1045 periodics_reschedule (EV_A);
918 1046
919 /* adjust timers. this is easy, as the offset is the same for all */ 1047 /* adjust timers. this is easy, as the offset is the same for all */
920 for (i = 0; i < timercnt; ++i) 1048 for (i = 0; i < timercnt; ++i)
921 timers [i]->at += rt_now - mn_now; 1049 ((WT)timers [i])->at += rt_now - mn_now;
922 } 1050 }
923 1051
924 mn_now = rt_now; 1052 mn_now = rt_now;
925 } 1053 }
926} 1054}
… …
952 { 1080 {
953 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1081 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
954 call_pending (EV_A); 1082 call_pending (EV_A);
955 } 1083 }
956 1084
1085 /* we might have forked, so reify kernel state if necessary */
1086 if (expect_false (postfork))
1087 loop_fork (EV_A);
1088
957 /* update fd-related kernel structures */ 1089 /* update fd-related kernel structures */
958 fd_reify (EV_A); 1090 fd_reify (EV_A);
959 1091
960 /* calculate blocking time */ 1092 /* calculate blocking time */
961 1093
… …
977 { 1109 {
978 block = MAX_BLOCKTIME; 1110 block = MAX_BLOCKTIME;
979 1111
980 if (timercnt) 1112 if (timercnt)
981 { 1113 {
982 ev_tstamp to = timers [0]->at - mn_now + method_fudge; 1114 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
983 if (block > to) block = to; 1115 if (block > to) block = to;
984 } 1116 }
985 1117
986 if (periodiccnt) 1118 if (periodiccnt)
987 { 1119 {
988 ev_tstamp to = periodics [0]->at - rt_now + method_fudge; 1120 ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
989 if (block > to) block = to; 1121 if (block > to) block = to;
990 } 1122 }
991 1123
992 if (block < 0.) block = 0.; 1124 if (block < 0.) block = 0.;
993 } 1125 }
… …
1085 return; 1217 return;
1086 1218
1087 assert (("ev_io_start called with negative fd", fd >= 0)); 1219 assert (("ev_io_start called with negative fd", fd >= 0));
1088 1220
1089 ev_start (EV_A_ (W)w, 1); 1221 ev_start (EV_A_ (W)w, 1);
1090 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 1222 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1091 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1223 wlist_add ((WL *)&anfds[fd].head, (WL)w);
1092 1224
1093 fd_change (EV_A_ fd); 1225 fd_change (EV_A_ fd);
1094} 1226}
1095 1227
… …
1110ev_timer_start (EV_P_ struct ev_timer *w) 1242ev_timer_start (EV_P_ struct ev_timer *w)
1111{ 1243{
1112 if (ev_is_active (w)) 1244 if (ev_is_active (w))
1113 return; 1245 return;
1114 1246
1115 w->at += mn_now; 1247 ((WT)w)->at += mn_now;
1116 1248
1117 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1249 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1118 1250
1119 ev_start (EV_A_ (W)w, ++timercnt); 1251 ev_start (EV_A_ (W)w, ++timercnt);
1120 array_needsize (timers, timermax, timercnt, ); 1252 array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
1121 timers [timercnt - 1] = w; 1253 timers [timercnt - 1] = w;
1122 upheap ((WT *)timers, timercnt - 1); 1254 upheap ((WT *)timers, timercnt - 1);
1255
1256 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1123} 1257}
1124 1258
1125void 1259void
1126ev_timer_stop (EV_P_ struct ev_timer *w) 1260ev_timer_stop (EV_P_ struct ev_timer *w)
1127{ 1261{
1128 ev_clear_pending (EV_A_ (W)w); 1262 ev_clear_pending (EV_A_ (W)w);
1129 if (!ev_is_active (w)) 1263 if (!ev_is_active (w))
1130 return; 1264 return;
1131 1265
1266 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1267
1132 if (w->active < timercnt--) 1268 if (((W)w)->active < timercnt--)
1133 { 1269 {
1134 timers [w->active - 1] = timers [timercnt]; 1270 timers [((W)w)->active - 1] = timers [timercnt];
1135 downheap ((WT *)timers, timercnt, w->active - 1); 1271 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1136 } 1272 }
1137 1273
1138 w->at = w->repeat; 1274 ((WT)w)->at = w->repeat;
1139 1275
1140 ev_stop (EV_A_ (W)w); 1276 ev_stop (EV_A_ (W)w);
1141} 1277}
1142 1278
1143void 1279void
… …
1145{ 1281{
1146 if (ev_is_active (w)) 1282 if (ev_is_active (w))
1147 { 1283 {
1148 if (w->repeat) 1284 if (w->repeat)
1149 { 1285 {
1150 w->at = mn_now + w->repeat; 1286 ((WT)w)->at = mn_now + w->repeat;
1151 downheap ((WT *)timers, timercnt, w->active - 1); 1287 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1152 } 1288 }
1153 else 1289 else
1154 ev_timer_stop (EV_A_ w); 1290 ev_timer_stop (EV_A_ w);
1155 } 1291 }
1156 else if (w->repeat) 1292 else if (w->repeat)
… …
1165 1301
1166 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1302 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1167 1303
1168 /* this formula differs from the one in periodic_reify because we do not always round up */ 1304 /* this formula differs from the one in periodic_reify because we do not always round up */
1169 if (w->interval) 1305 if (w->interval)
1170 w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; 1306 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1171 1307
1172 ev_start (EV_A_ (W)w, ++periodiccnt); 1308 ev_start (EV_A_ (W)w, ++periodiccnt);
1173 array_needsize (periodics, periodicmax, periodiccnt, ); 1309 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
1174 periodics [periodiccnt - 1] = w; 1310 periodics [periodiccnt - 1] = w;
1175 upheap ((WT *)periodics, periodiccnt - 1); 1311 upheap ((WT *)periodics, periodiccnt - 1);
1312
1313 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1176} 1314}
1177 1315
1178void 1316void
1179ev_periodic_stop (EV_P_ struct ev_periodic *w) 1317ev_periodic_stop (EV_P_ struct ev_periodic *w)
1180{ 1318{
1181 ev_clear_pending (EV_A_ (W)w); 1319 ev_clear_pending (EV_A_ (W)w);
1182 if (!ev_is_active (w)) 1320 if (!ev_is_active (w))
1183 return; 1321 return;
1184 1322
1323 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1324
1185 if (w->active < periodiccnt--) 1325 if (((W)w)->active < periodiccnt--)
1186 { 1326 {
1187 periodics [w->active - 1] = periodics [periodiccnt]; 1327 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1188 downheap ((WT *)periodics, periodiccnt, w->active - 1); 1328 downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1189 } 1329 }
1190 1330
1191 ev_stop (EV_A_ (W)w); 1331 ev_stop (EV_A_ (W)w);
1192} 1332}
1193 1333
… …
1196{ 1336{
1197 if (ev_is_active (w)) 1337 if (ev_is_active (w))
1198 return; 1338 return;
1199 1339
1200 ev_start (EV_A_ (W)w, ++idlecnt); 1340 ev_start (EV_A_ (W)w, ++idlecnt);
1201 array_needsize (idles, idlemax, idlecnt, ); 1341 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
1202 idles [idlecnt - 1] = w; 1342 idles [idlecnt - 1] = w;
1203} 1343}
1204 1344
1205void 1345void
1206ev_idle_stop (EV_P_ struct ev_idle *w) 1346ev_idle_stop (EV_P_ struct ev_idle *w)
1207{ 1347{
1208 ev_clear_pending (EV_A_ (W)w); 1348 ev_clear_pending (EV_A_ (W)w);
1209 if (ev_is_active (w)) 1349 if (ev_is_active (w))
1210 return; 1350 return;
1211 1351
1212 idles [w->active - 1] = idles [--idlecnt]; 1352 idles [((W)w)->active - 1] = idles [--idlecnt];
1213 ev_stop (EV_A_ (W)w); 1353 ev_stop (EV_A_ (W)w);
1214} 1354}
1215 1355
1216void 1356void
1217ev_prepare_start (EV_P_ struct ev_prepare *w) 1357ev_prepare_start (EV_P_ struct ev_prepare *w)
1218{ 1358{
1219 if (ev_is_active (w)) 1359 if (ev_is_active (w))
1220 return; 1360 return;
1221 1361
1222 ev_start (EV_A_ (W)w, ++preparecnt); 1362 ev_start (EV_A_ (W)w, ++preparecnt);
1223 array_needsize (prepares, preparemax, preparecnt, ); 1363 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
1224 prepares [preparecnt - 1] = w; 1364 prepares [preparecnt - 1] = w;
1225} 1365}
1226 1366
1227void 1367void
1228ev_prepare_stop (EV_P_ struct ev_prepare *w) 1368ev_prepare_stop (EV_P_ struct ev_prepare *w)
1229{ 1369{
1230 ev_clear_pending (EV_A_ (W)w); 1370 ev_clear_pending (EV_A_ (W)w);
1231 if (ev_is_active (w)) 1371 if (ev_is_active (w))
1232 return; 1372 return;
1233 1373
1234 prepares [w->active - 1] = prepares [--preparecnt]; 1374 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1235 ev_stop (EV_A_ (W)w); 1375 ev_stop (EV_A_ (W)w);
1236} 1376}
1237 1377
1238void 1378void
1239ev_check_start (EV_P_ struct ev_check *w) 1379ev_check_start (EV_P_ struct ev_check *w)
1240{ 1380{
1241 if (ev_is_active (w)) 1381 if (ev_is_active (w))
1242 return; 1382 return;
1243 1383
1244 ev_start (EV_A_ (W)w, ++checkcnt); 1384 ev_start (EV_A_ (W)w, ++checkcnt);
1245 array_needsize (checks, checkmax, checkcnt, ); 1385 array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
1246 checks [checkcnt - 1] = w; 1386 checks [checkcnt - 1] = w;
1247} 1387}
1248 1388
1249void 1389void
1250ev_check_stop (EV_P_ struct ev_check *w) 1390ev_check_stop (EV_P_ struct ev_check *w)
1251{ 1391{
1252 ev_clear_pending (EV_A_ (W)w); 1392 ev_clear_pending (EV_A_ (W)w);
1253 if (ev_is_active (w)) 1393 if (ev_is_active (w))
1254 return; 1394 return;
1255 1395
1256 checks [w->active - 1] = checks [--checkcnt]; 1396 checks [((W)w)->active - 1] = checks [--checkcnt];
1257 ev_stop (EV_A_ (W)w); 1397 ev_stop (EV_A_ (W)w);
1258} 1398}
1259 1399
1260#ifndef SA_RESTART 1400#ifndef SA_RESTART
1261# define SA_RESTART 0 1401# define SA_RESTART 0
… …
1271 return; 1411 return;
1272 1412
1273 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1413 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1274 1414
1275 ev_start (EV_A_ (W)w, 1); 1415 ev_start (EV_A_ (W)w, 1);
1276 array_needsize (signals, signalmax, w->signum, signals_init); 1416 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1277 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1417 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1278 1418
1279 if (!w->next) 1419 if (!((WL)w)->next)
1280 { 1420 {
1421#if WIN32
1422 signal (w->signum, sighandler);
1423#else
1281 struct sigaction sa; 1424 struct sigaction sa;
1282 sa.sa_handler = sighandler; 1425 sa.sa_handler = sighandler;
1283 sigfillset (&sa.sa_mask); 1426 sigfillset (&sa.sa_mask);
1284 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 1427 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1285 sigaction (w->signum, &sa, 0); 1428 sigaction (w->signum, &sa, 0);
1429#endif
1286 } 1430 }
1287} 1431}
1288 1432
1289void 1433void
1290ev_signal_stop (EV_P_ struct ev_signal *w) 1434ev_signal_stop (EV_P_ struct ev_signal *w)
… …
1340 void (*cb)(int revents, void *arg) = once->cb; 1484 void (*cb)(int revents, void *arg) = once->cb;
1341 void *arg = once->arg; 1485 void *arg = once->arg;
1342 1486
1343 ev_io_stop (EV_A_ &once->io); 1487 ev_io_stop (EV_A_ &once->io);
1344 ev_timer_stop (EV_A_ &once->to); 1488 ev_timer_stop (EV_A_ &once->to);
1345 free (once); 1489 ev_free (once);
1346 1490
1347 cb (revents, arg); 1491 cb (revents, arg);
1348} 1492}
1349 1493
1350static void 1494static void
… …
1360} 1504}
1361 1505
1362void 1506void
1363ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1507ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1364{ 1508{
1365 struct ev_once *once = malloc (sizeof (struct ev_once)); 1509 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1366 1510
1367 if (!once) 1511 if (!once)
1368 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1512 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1369 else 1513 else
1370 { 1514 {

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