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Comparing libev/ev.c (file contents):
Revision 1.72 by root, Tue Nov 6 16:09:37 2007 UTC vs.
Revision 1.81 by root, Fri Nov 9 17:07:59 2007 UTC

126#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 126#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
127#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ 127#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
128#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ 128#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
129/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ 129/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */
130 130
131#ifdef EV_H
132# include EV_H
133#else
131#include "ev.h" 134# include "ev.h"
135#endif
132 136
133#if __GNUC__ >= 3 137#if __GNUC__ >= 3
134# define expect(expr,value) __builtin_expect ((expr),(value)) 138# define expect(expr,value) __builtin_expect ((expr),(value))
135# define inline inline 139# define inline inline
136#else 140#else
148typedef struct ev_watcher_list *WL; 152typedef struct ev_watcher_list *WL;
149typedef struct ev_watcher_time *WT; 153typedef struct ev_watcher_time *WT;
150 154
151static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 155static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
152 156
153#if WIN32 157#include "ev_win32.c"
154/* note: the comment below could not be substantiated, but what would I care */
155/* MSDN says this is required to handle SIGFPE */
156volatile double SIGFPE_REQ = 0.0f;
157
158static int
159ev_socketpair_tcp (int filedes [2])
160{
161 struct sockaddr_in addr = { 0 };
162 int addr_size = sizeof (addr);
163 SOCKET listener;
164 SOCKET sock [2] = { -1, -1 };
165
166 if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
167 return -1;
168
169 addr.sin_family = AF_INET;
170 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
171 addr.sin_port = 0;
172
173 if (bind (listener, (struct sockaddr *)&addr, addr_size))
174 goto fail;
175
176 if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
177 goto fail;
178
179 if (listen (listener, 1))
180 goto fail;
181
182 if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
183 goto fail;
184
185 if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
186 goto fail;
187
188 if ((sock[1] = accept (listener, 0, 0)) < 0)
189 goto fail;
190
191 closesocket (listener);
192
193 filedes [0] = sock [0];
194 filedes [1] = sock [1];
195
196 return 0;
197
198fail:
199 closesocket (listener);
200
201 if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
202 if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
203
204 return -1;
205}
206
207# define ev_pipe(filedes) ev_socketpair_tcp (filedes)
208#else
209# define ev_pipe(filedes) pipe (filedes)
210#endif
211 158
212/*****************************************************************************/ 159/*****************************************************************************/
213 160
214static void (*syserr_cb)(const char *msg); 161static void (*syserr_cb)(const char *msg);
215 162
272 int events; 219 int events;
273} ANPENDING; 220} ANPENDING;
274 221
275#if EV_MULTIPLICITY 222#if EV_MULTIPLICITY
276 223
277struct ev_loop 224 struct ev_loop
278{ 225 {
279# define VAR(name,decl) decl; 226 #define VAR(name,decl) decl;
280# include "ev_vars.h" 227 #include "ev_vars.h"
281};
282# undef VAR 228 #undef VAR
229 };
283# include "ev_wrap.h" 230 #include "ev_wrap.h"
231
232 struct ev_loop default_loop_struct;
233 static struct ev_loop *default_loop;
284 234
285#else 235#else
286 236
287# define VAR(name,decl) static decl; 237 #define VAR(name,decl) static decl;
288# include "ev_vars.h" 238 #include "ev_vars.h"
289# undef VAR 239 #undef VAR
240
241 static int default_loop;
290 242
291#endif 243#endif
292 244
293/*****************************************************************************/ 245/*****************************************************************************/
294 246
325ev_now (EV_P) 277ev_now (EV_P)
326{ 278{
327 return rt_now; 279 return rt_now;
328} 280}
329 281
330#define array_roundsize(base,n) ((n) | 4 & ~3) 282#define array_roundsize(type,n) ((n) | 4 & ~3)
331 283
332#define array_needsize(base,cur,cnt,init) \ 284#define array_needsize(type,base,cur,cnt,init) \
333 if (expect_false ((cnt) > cur)) \ 285 if (expect_false ((cnt) > cur)) \
334 { \ 286 { \
335 int newcnt = cur; \ 287 int newcnt = cur; \
336 do \ 288 do \
337 { \ 289 { \
338 newcnt = array_roundsize (base, newcnt << 1); \ 290 newcnt = array_roundsize (type, newcnt << 1); \
339 } \ 291 } \
340 while ((cnt) > newcnt); \ 292 while ((cnt) > newcnt); \
341 \ 293 \
342 base = ev_realloc (base, sizeof (*base) * (newcnt)); \ 294 base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
343 init (base + cur, newcnt - cur); \ 295 init (base + cur, newcnt - cur); \
344 cur = newcnt; \ 296 cur = newcnt; \
345 } 297 }
346 298
347#define array_slim(stem) \ 299#define array_slim(type,stem) \
348 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 300 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
349 { \ 301 { \
350 stem ## max = array_roundsize (stem ## cnt >> 1); \ 302 stem ## max = array_roundsize (stem ## cnt >> 1); \
351 base = ev_realloc (base, sizeof (*base) * (stem ## max)); \ 303 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
352 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 304 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
353 } 305 }
354 306
355/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ 307/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
356/* bringing us everlasting joy in form of stupid extra macros that are not required in C */ 308/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
373 325
374 ++base; 326 ++base;
375 } 327 }
376} 328}
377 329
378static void 330void
379event (EV_P_ W w, int events) 331ev_feed_event (EV_P_ void *w, int revents)
380{ 332{
333 W w_ = (W)w;
334
381 if (w->pending) 335 if (w_->pending)
382 { 336 {
383 pendings [ABSPRI (w)][w->pending - 1].events |= events; 337 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
384 return; 338 return;
385 } 339 }
386 340
387 w->pending = ++pendingcnt [ABSPRI (w)]; 341 w_->pending = ++pendingcnt [ABSPRI (w_)];
388 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); 342 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
389 pendings [ABSPRI (w)][w->pending - 1].w = w; 343 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
390 pendings [ABSPRI (w)][w->pending - 1].events = events; 344 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
391} 345}
392 346
393static void 347static void
394queue_events (EV_P_ W *events, int eventcnt, int type) 348queue_events (EV_P_ W *events, int eventcnt, int type)
395{ 349{
396 int i; 350 int i;
397 351
398 for (i = 0; i < eventcnt; ++i) 352 for (i = 0; i < eventcnt; ++i)
399 event (EV_A_ events [i], type); 353 ev_feed_event (EV_A_ events [i], type);
400} 354}
401 355
402static void 356inline void
403fd_event (EV_P_ int fd, int events) 357fd_event (EV_P_ int fd, int revents)
404{ 358{
405 ANFD *anfd = anfds + fd; 359 ANFD *anfd = anfds + fd;
406 struct ev_io *w; 360 struct ev_io *w;
407 361
408 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 362 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
409 { 363 {
410 int ev = w->events & events; 364 int ev = w->events & revents;
411 365
412 if (ev) 366 if (ev)
413 event (EV_A_ (W)w, ev); 367 ev_feed_event (EV_A_ (W)w, ev);
414 } 368 }
369}
370
371void
372ev_feed_fd_event (EV_P_ int fd, int revents)
373{
374 fd_event (EV_A_ fd, revents);
415} 375}
416 376
417/*****************************************************************************/ 377/*****************************************************************************/
418 378
419static void 379static void
448 return; 408 return;
449 409
450 anfds [fd].reify = 1; 410 anfds [fd].reify = 1;
451 411
452 ++fdchangecnt; 412 ++fdchangecnt;
453 array_needsize (fdchanges, fdchangemax, fdchangecnt, (void)); 413 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
454 fdchanges [fdchangecnt - 1] = fd; 414 fdchanges [fdchangecnt - 1] = fd;
455} 415}
456 416
457static void 417static void
458fd_kill (EV_P_ int fd) 418fd_kill (EV_P_ int fd)
460 struct ev_io *w; 420 struct ev_io *w;
461 421
462 while ((w = (struct ev_io *)anfds [fd].head)) 422 while ((w = (struct ev_io *)anfds [fd].head))
463 { 423 {
464 ev_io_stop (EV_A_ w); 424 ev_io_stop (EV_A_ w);
465 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 425 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
466 } 426 }
467} 427}
468 428
469static int 429static int
470fd_valid (int fd) 430fd_valid (int fd)
598 558
599 if (!gotsig) 559 if (!gotsig)
600 { 560 {
601 int old_errno = errno; 561 int old_errno = errno;
602 gotsig = 1; 562 gotsig = 1;
563#ifdef WIN32
564 send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
565#else
603 write (sigpipe [1], &signum, 1); 566 write (sigpipe [1], &signum, 1);
567#endif
604 errno = old_errno; 568 errno = old_errno;
605 } 569 }
606} 570}
607 571
572void
573ev_feed_signal_event (EV_P_ int signum)
574{
575 WL w;
576
577#if EV_MULTIPLICITY
578 assert (("feeding signal events is only supported in the default loop", loop == default_loop));
579#endif
580
581 --signum;
582
583 if (signum < 0 || signum >= signalmax)
584 return;
585
586 signals [signum].gotsig = 0;
587
588 for (w = signals [signum].head; w; w = w->next)
589 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
590}
591
608static void 592static void
609sigcb (EV_P_ struct ev_io *iow, int revents) 593sigcb (EV_P_ struct ev_io *iow, int revents)
610{ 594{
611 WL w;
612 int signum; 595 int signum;
613 596
597#ifdef WIN32
598 recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
599#else
614 read (sigpipe [0], &revents, 1); 600 read (sigpipe [0], &revents, 1);
601#endif
615 gotsig = 0; 602 gotsig = 0;
616 603
617 for (signum = signalmax; signum--; ) 604 for (signum = signalmax; signum--; )
618 if (signals [signum].gotsig) 605 if (signals [signum].gotsig)
619 { 606 ev_feed_signal_event (EV_A_ signum + 1);
620 signals [signum].gotsig = 0;
621
622 for (w = signals [signum].head; w; w = w->next)
623 event (EV_A_ (W)w, EV_SIGNAL);
624 }
625} 607}
626 608
627static void 609static void
628siginit (EV_P) 610siginit (EV_P)
629{ 611{
662 if (w->pid == pid || !w->pid) 644 if (w->pid == pid || !w->pid)
663 { 645 {
664 ev_priority (w) = ev_priority (sw); /* need to do it *now* */ 646 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
665 w->rpid = pid; 647 w->rpid = pid;
666 w->rstatus = status; 648 w->rstatus = status;
667 event (EV_A_ (W)w, EV_CHILD); 649 ev_feed_event (EV_A_ (W)w, EV_CHILD);
668 } 650 }
669} 651}
670 652
671static void 653static void
672childcb (EV_P_ struct ev_signal *sw, int revents) 654childcb (EV_P_ struct ev_signal *sw, int revents)
674 int pid, status; 656 int pid, status;
675 657
676 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) 658 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
677 { 659 {
678 /* make sure we are called again until all childs have been reaped */ 660 /* make sure we are called again until all childs have been reaped */
679 event (EV_A_ (W)sw, EV_SIGNAL); 661 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
680 662
681 child_reap (EV_A_ sw, pid, pid, status); 663 child_reap (EV_A_ sw, pid, pid, status);
682 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ 664 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
683 } 665 }
684} 666}
828 ev_ref (EV_A); 810 ev_ref (EV_A);
829 ev_io_stop (EV_A_ &sigev); 811 ev_io_stop (EV_A_ &sigev);
830 close (sigpipe [0]); 812 close (sigpipe [0]);
831 close (sigpipe [1]); 813 close (sigpipe [1]);
832 814
833 while (ev_pipe (sigpipe)) 815 while (pipe (sigpipe))
834 syserr ("(libev) error creating pipe"); 816 syserr ("(libev) error creating pipe");
835 817
836 siginit (EV_A); 818 siginit (EV_A);
837 } 819 }
838 820
869} 851}
870 852
871#endif 853#endif
872 854
873#if EV_MULTIPLICITY 855#if EV_MULTIPLICITY
874struct ev_loop default_loop_struct;
875static struct ev_loop *default_loop;
876
877struct ev_loop * 856struct ev_loop *
878#else 857#else
879static int default_loop;
880
881int 858int
882#endif 859#endif
883ev_default_loop (int methods) 860ev_default_loop (int methods)
884{ 861{
885 if (sigpipe [0] == sigpipe [1]) 862 if (sigpipe [0] == sigpipe [1])
886 if (ev_pipe (sigpipe)) 863 if (pipe (sigpipe))
887 return 0; 864 return 0;
888 865
889 if (!default_loop) 866 if (!default_loop)
890 { 867 {
891#if EV_MULTIPLICITY 868#if EV_MULTIPLICITY
945 if (method) 922 if (method)
946 postfork = 1; 923 postfork = 1;
947} 924}
948 925
949/*****************************************************************************/ 926/*****************************************************************************/
927
928static int
929any_pending (EV_P)
930{
931 int pri;
932
933 for (pri = NUMPRI; pri--; )
934 if (pendingcnt [pri])
935 return 1;
936
937 return 0;
938}
950 939
951static void 940static void
952call_pending (EV_P) 941call_pending (EV_P)
953{ 942{
954 int pri; 943 int pri;
983 downheap ((WT *)timers, timercnt, 0); 972 downheap ((WT *)timers, timercnt, 0);
984 } 973 }
985 else 974 else
986 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 975 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
987 976
988 event (EV_A_ (W)w, EV_TIMEOUT); 977 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
989 } 978 }
990} 979}
991 980
992static void 981static void
993periodics_reify (EV_P) 982periodics_reify (EV_P)
997 struct ev_periodic *w = periodics [0]; 986 struct ev_periodic *w = periodics [0];
998 987
999 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 988 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1000 989
1001 /* first reschedule or stop timer */ 990 /* first reschedule or stop timer */
991 if (w->reschedule_cb)
992 {
993 ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001);
994
995 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now));
996 downheap ((WT *)periodics, periodiccnt, 0);
997 }
1002 if (w->interval) 998 else if (w->interval)
1003 { 999 {
1004 ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; 1000 ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
1005 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); 1001 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
1006 downheap ((WT *)periodics, periodiccnt, 0); 1002 downheap ((WT *)periodics, periodiccnt, 0);
1007 } 1003 }
1008 else 1004 else
1009 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1005 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1010 1006
1011 event (EV_A_ (W)w, EV_PERIODIC); 1007 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1012 } 1008 }
1013} 1009}
1014 1010
1015static void 1011static void
1016periodics_reschedule (EV_P) 1012periodics_reschedule (EV_P)
1020 /* adjust periodics after time jump */ 1016 /* adjust periodics after time jump */
1021 for (i = 0; i < periodiccnt; ++i) 1017 for (i = 0; i < periodiccnt; ++i)
1022 { 1018 {
1023 struct ev_periodic *w = periodics [i]; 1019 struct ev_periodic *w = periodics [i];
1024 1020
1021 if (w->reschedule_cb)
1022 ((WT)w)->at = w->reschedule_cb (w, rt_now);
1025 if (w->interval) 1023 else if (w->interval)
1026 {
1027 ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; 1024 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1028
1029 if (fabs (diff) >= 1e-4)
1030 {
1031 ev_periodic_stop (EV_A_ w);
1032 ev_periodic_start (EV_A_ w);
1033
1034 i = 0; /* restart loop, inefficient, but time jumps should be rare */
1035 }
1036 }
1037 } 1025 }
1026
1027 /* now rebuild the heap */
1028 for (i = periodiccnt >> 1; i--; )
1029 downheap ((WT *)periodics, periodiccnt, i);
1038} 1030}
1039 1031
1040inline int 1032inline int
1041time_update_monotonic (EV_P) 1033time_update_monotonic (EV_P)
1042{ 1034{
1138 /* update fd-related kernel structures */ 1130 /* update fd-related kernel structures */
1139 fd_reify (EV_A); 1131 fd_reify (EV_A);
1140 1132
1141 /* calculate blocking time */ 1133 /* calculate blocking time */
1142 1134
1143 /* we only need this for !monotonic clockor timers, but as we basically 1135 /* we only need this for !monotonic clock or timers, but as we basically
1144 always have timers, we just calculate it always */ 1136 always have timers, we just calculate it always */
1145#if EV_USE_MONOTONIC 1137#if EV_USE_MONOTONIC
1146 if (expect_true (have_monotonic)) 1138 if (expect_true (have_monotonic))
1147 time_update_monotonic (EV_A); 1139 time_update_monotonic (EV_A);
1148 else 1140 else
1181 /* queue pending timers and reschedule them */ 1173 /* queue pending timers and reschedule them */
1182 timers_reify (EV_A); /* relative timers called last */ 1174 timers_reify (EV_A); /* relative timers called last */
1183 periodics_reify (EV_A); /* absolute timers called first */ 1175 periodics_reify (EV_A); /* absolute timers called first */
1184 1176
1185 /* queue idle watchers unless io or timers are pending */ 1177 /* queue idle watchers unless io or timers are pending */
1186 if (!pendingcnt) 1178 if (idlecnt && !any_pending (EV_A))
1187 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1179 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1188 1180
1189 /* queue check watchers, to be executed first */ 1181 /* queue check watchers, to be executed first */
1190 if (checkcnt) 1182 if (checkcnt)
1191 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1183 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1266 return; 1258 return;
1267 1259
1268 assert (("ev_io_start called with negative fd", fd >= 0)); 1260 assert (("ev_io_start called with negative fd", fd >= 0));
1269 1261
1270 ev_start (EV_A_ (W)w, 1); 1262 ev_start (EV_A_ (W)w, 1);
1271 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 1263 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1272 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1264 wlist_add ((WL *)&anfds[fd].head, (WL)w);
1273 1265
1274 fd_change (EV_A_ fd); 1266 fd_change (EV_A_ fd);
1275} 1267}
1276 1268
1296 ((WT)w)->at += mn_now; 1288 ((WT)w)->at += mn_now;
1297 1289
1298 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1290 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1299 1291
1300 ev_start (EV_A_ (W)w, ++timercnt); 1292 ev_start (EV_A_ (W)w, ++timercnt);
1301 array_needsize (timers, timermax, timercnt, (void)); 1293 array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
1302 timers [timercnt - 1] = w; 1294 timers [timercnt - 1] = w;
1303 upheap ((WT *)timers, timercnt - 1); 1295 upheap ((WT *)timers, timercnt - 1);
1304 1296
1305 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1297 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1306} 1298}
1346ev_periodic_start (EV_P_ struct ev_periodic *w) 1338ev_periodic_start (EV_P_ struct ev_periodic *w)
1347{ 1339{
1348 if (ev_is_active (w)) 1340 if (ev_is_active (w))
1349 return; 1341 return;
1350 1342
1343 if (w->reschedule_cb)
1344 ((WT)w)->at = w->reschedule_cb (w, rt_now);
1345 else if (w->interval)
1346 {
1351 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1347 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1352
1353 /* this formula differs from the one in periodic_reify because we do not always round up */ 1348 /* this formula differs from the one in periodic_reify because we do not always round up */
1354 if (w->interval)
1355 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; 1349 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1350 }
1356 1351
1357 ev_start (EV_A_ (W)w, ++periodiccnt); 1352 ev_start (EV_A_ (W)w, ++periodiccnt);
1358 array_needsize (periodics, periodicmax, periodiccnt, (void)); 1353 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
1359 periodics [periodiccnt - 1] = w; 1354 periodics [periodiccnt - 1] = w;
1360 upheap ((WT *)periodics, periodiccnt - 1); 1355 upheap ((WT *)periodics, periodiccnt - 1);
1361 1356
1362 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1357 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1363} 1358}
1379 1374
1380 ev_stop (EV_A_ (W)w); 1375 ev_stop (EV_A_ (W)w);
1381} 1376}
1382 1377
1383void 1378void
1379ev_periodic_again (EV_P_ struct ev_periodic *w)
1380{
1381 ev_periodic_stop (EV_A_ w);
1382 ev_periodic_start (EV_A_ w);
1383}
1384
1385void
1384ev_idle_start (EV_P_ struct ev_idle *w) 1386ev_idle_start (EV_P_ struct ev_idle *w)
1385{ 1387{
1386 if (ev_is_active (w)) 1388 if (ev_is_active (w))
1387 return; 1389 return;
1388 1390
1389 ev_start (EV_A_ (W)w, ++idlecnt); 1391 ev_start (EV_A_ (W)w, ++idlecnt);
1390 array_needsize (idles, idlemax, idlecnt, (void)); 1392 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
1391 idles [idlecnt - 1] = w; 1393 idles [idlecnt - 1] = w;
1392} 1394}
1393 1395
1394void 1396void
1395ev_idle_stop (EV_P_ struct ev_idle *w) 1397ev_idle_stop (EV_P_ struct ev_idle *w)
1407{ 1409{
1408 if (ev_is_active (w)) 1410 if (ev_is_active (w))
1409 return; 1411 return;
1410 1412
1411 ev_start (EV_A_ (W)w, ++preparecnt); 1413 ev_start (EV_A_ (W)w, ++preparecnt);
1412 array_needsize (prepares, preparemax, preparecnt, (void)); 1414 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
1413 prepares [preparecnt - 1] = w; 1415 prepares [preparecnt - 1] = w;
1414} 1416}
1415 1417
1416void 1418void
1417ev_prepare_stop (EV_P_ struct ev_prepare *w) 1419ev_prepare_stop (EV_P_ struct ev_prepare *w)
1429{ 1431{
1430 if (ev_is_active (w)) 1432 if (ev_is_active (w))
1431 return; 1433 return;
1432 1434
1433 ev_start (EV_A_ (W)w, ++checkcnt); 1435 ev_start (EV_A_ (W)w, ++checkcnt);
1434 array_needsize (checks, checkmax, checkcnt, (void)); 1436 array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
1435 checks [checkcnt - 1] = w; 1437 checks [checkcnt - 1] = w;
1436} 1438}
1437 1439
1438void 1440void
1439ev_check_stop (EV_P_ struct ev_check *w) 1441ev_check_stop (EV_P_ struct ev_check *w)
1460 return; 1462 return;
1461 1463
1462 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1464 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1463 1465
1464 ev_start (EV_A_ (W)w, 1); 1466 ev_start (EV_A_ (W)w, 1);
1465 array_needsize (signals, signalmax, w->signum, signals_init); 1467 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1466 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1468 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1467 1469
1468 if (!((WL)w)->next) 1470 if (!((WL)w)->next)
1469 { 1471 {
1470#if WIN32 1472#if WIN32
1553} 1555}
1554 1556
1555void 1557void
1556ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1558ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1557{ 1559{
1558 struct ev_once *once = ev_malloc (sizeof (struct ev_once)); 1560 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1559 1561
1560 if (!once) 1562 if (!once)
1561 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1563 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1562 else 1564 else
1563 { 1565 {

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