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Comparing libev/ev.c (file contents):
Revision 1.67 by root, Mon Nov 5 16:42:15 2007 UTC vs.
Revision 1.97 by root, Sun Nov 11 01:53:07 2007 UTC

26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */ 30 */
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
31#ifndef EV_STANDALONE 36#ifndef EV_STANDALONE
32# include "config.h" 37# include "config.h"
33 38
34# if HAVE_CLOCK_GETTIME 39# if HAVE_CLOCK_GETTIME
40# ifndef EV_USE_MONOTONIC
35# define EV_USE_MONOTONIC 1 41# define EV_USE_MONOTONIC 1
42# endif
43# ifndef EV_USE_REALTIME
36# define EV_USE_REALTIME 1 44# define EV_USE_REALTIME 1
45# endif
37# endif 46# endif
38 47
39# if HAVE_SELECT && HAVE_SYS_SELECT_H 48# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
40# define EV_USE_SELECT 1 49# define EV_USE_SELECT 1
41# endif 50# endif
42 51
43# if HAVE_POLL && HAVE_POLL_H 52# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
44# define EV_USE_POLL 1 53# define EV_USE_POLL 1
45# endif 54# endif
46 55
47# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 56# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
48# define EV_USE_EPOLL 1 57# define EV_USE_EPOLL 1
49# endif 58# endif
50 59
51# if HAVE_KQUEUE && HAVE_WORKING_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)
52# define EV_USE_KQUEUE 1 61# define EV_USE_KQUEUE 1
53# endif 62# endif
54 63
55#endif 64#endif
56 65
57#include <math.h> 66#include <math.h>
58#include <stdlib.h> 67#include <stdlib.h>
59#include <unistd.h>
60#include <fcntl.h> 68#include <fcntl.h>
61#include <signal.h>
62#include <stddef.h> 69#include <stddef.h>
63 70
64#include <stdio.h> 71#include <stdio.h>
65 72
66#include <assert.h> 73#include <assert.h>
67#include <errno.h> 74#include <errno.h>
68#include <sys/types.h> 75#include <sys/types.h>
76#include <time.h>
77
78#include <signal.h>
79
69#ifndef WIN32 80#ifndef WIN32
81# include <unistd.h>
82# include <sys/time.h>
70# include <sys/wait.h> 83# include <sys/wait.h>
71#endif 84#endif
72#include <sys/time.h>
73#include <time.h>
74
75/**/ 85/**/
76 86
77#ifndef EV_USE_MONOTONIC 87#ifndef EV_USE_MONOTONIC
78# define EV_USE_MONOTONIC 1 88# define EV_USE_MONOTONIC 1
79#endif 89#endif
94# define EV_USE_KQUEUE 0 104# define EV_USE_KQUEUE 0
95#endif 105#endif
96 106
97#ifndef EV_USE_WIN32 107#ifndef EV_USE_WIN32
98# ifdef WIN32 108# ifdef WIN32
109# define EV_USE_WIN32 0 /* it does not exist, use select */
110# undef EV_USE_SELECT
99# define EV_USE_WIN32 1 111# define EV_USE_SELECT 1
100# else 112# else
101# define EV_USE_WIN32 0 113# define EV_USE_WIN32 0
102# endif 114# endif
103#endif 115#endif
104 116
123#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 135#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
124#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ 136#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */
125#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ 137#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
126/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ 138/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */
127 139
140#ifdef EV_H
141# include EV_H
142#else
128#include "ev.h" 143# include "ev.h"
144#endif
129 145
130#if __GNUC__ >= 3 146#if __GNUC__ >= 3
131# define expect(expr,value) __builtin_expect ((expr),(value)) 147# define expect(expr,value) __builtin_expect ((expr),(value))
132# define inline inline 148# define inline inline
133#else 149#else
145typedef struct ev_watcher_list *WL; 161typedef struct ev_watcher_list *WL;
146typedef struct ev_watcher_time *WT; 162typedef struct ev_watcher_time *WT;
147 163
148static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 164static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
149 165
150#if WIN32 166#include "ev_win32.c"
151/* note: the comment below could not be substantiated, but what would I care */
152/* MSDN says this is required to handle SIGFPE */
153volatile double SIGFPE_REQ = 0.0f;
154#endif
155 167
156/*****************************************************************************/ 168/*****************************************************************************/
157 169
170static void (*syserr_cb)(const char *msg);
171
172void ev_set_syserr_cb (void (*cb)(const char *msg))
173{
174 syserr_cb = cb;
175}
176
177static void
178syserr (const char *msg)
179{
180 if (!msg)
181 msg = "(libev) system error";
182
183 if (syserr_cb)
184 syserr_cb (msg);
185 else
186 {
187 perror (msg);
188 abort ();
189 }
190}
191
192static void *(*alloc)(void *ptr, long size);
193
194void ev_set_allocator (void *(*cb)(void *ptr, long size))
195{
196 alloc = cb;
197}
198
199static void *
200ev_realloc (void *ptr, long size)
201{
202 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
203
204 if (!ptr && size)
205 {
206 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
207 abort ();
208 }
209
210 return ptr;
211}
212
213#define ev_malloc(size) ev_realloc (0, (size))
214#define ev_free(ptr) ev_realloc ((ptr), 0)
215
216/*****************************************************************************/
217
158typedef struct 218typedef struct
159{ 219{
160 struct ev_watcher_list *head; 220 WL head;
161 unsigned char events; 221 unsigned char events;
162 unsigned char reify; 222 unsigned char reify;
163} ANFD; 223} ANFD;
164 224
165typedef struct 225typedef struct
168 int events; 228 int events;
169} ANPENDING; 229} ANPENDING;
170 230
171#if EV_MULTIPLICITY 231#if EV_MULTIPLICITY
172 232
173struct ev_loop 233 struct ev_loop
174{ 234 {
235 ev_tstamp ev_rt_now;
175# define VAR(name,decl) decl; 236 #define VAR(name,decl) decl;
176# include "ev_vars.h" 237 #include "ev_vars.h"
177};
178# undef VAR 238 #undef VAR
239 };
179# include "ev_wrap.h" 240 #include "ev_wrap.h"
241
242 struct ev_loop default_loop_struct;
243 static struct ev_loop *default_loop;
180 244
181#else 245#else
182 246
247 ev_tstamp ev_rt_now;
183# define VAR(name,decl) static decl; 248 #define VAR(name,decl) static decl;
184# include "ev_vars.h" 249 #include "ev_vars.h"
185# undef VAR 250 #undef VAR
251
252 static int default_loop;
186 253
187#endif 254#endif
188 255
189/*****************************************************************************/ 256/*****************************************************************************/
190 257
191inline ev_tstamp 258ev_tstamp
192ev_time (void) 259ev_time (void)
193{ 260{
194#if EV_USE_REALTIME 261#if EV_USE_REALTIME
195 struct timespec ts; 262 struct timespec ts;
196 clock_gettime (CLOCK_REALTIME, &ts); 263 clock_gettime (CLOCK_REALTIME, &ts);
215#endif 282#endif
216 283
217 return ev_time (); 284 return ev_time ();
218} 285}
219 286
287#if EV_MULTIPLICITY
220ev_tstamp 288ev_tstamp
221ev_now (EV_P) 289ev_now (EV_P)
222{ 290{
223 return rt_now; 291 return ev_rt_now;
224} 292}
293#endif
225 294
226#define array_roundsize(base,n) ((n) | 4 & ~3) 295#define array_roundsize(type,n) ((n) | 4 & ~3)
227 296
228#define array_needsize(base,cur,cnt,init) \ 297#define array_needsize(type,base,cur,cnt,init) \
229 if (expect_false ((cnt) > cur)) \ 298 if (expect_false ((cnt) > cur)) \
230 { \ 299 { \
231 int newcnt = cur; \ 300 int newcnt = cur; \
232 do \ 301 do \
233 { \ 302 { \
234 newcnt = array_roundsize (base, newcnt << 1); \ 303 newcnt = array_roundsize (type, newcnt << 1); \
235 } \ 304 } \
236 while ((cnt) > newcnt); \ 305 while ((cnt) > newcnt); \
237 \ 306 \
238 base = realloc (base, sizeof (*base) * (newcnt)); \ 307 base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
239 init (base + cur, newcnt - cur); \ 308 init (base + cur, newcnt - cur); \
240 cur = newcnt; \ 309 cur = newcnt; \
241 } 310 }
242 311
243#define array_slim(stem) \ 312#define array_slim(type,stem) \
244 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 313 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
245 { \ 314 { \
246 stem ## max = array_roundsize (stem ## cnt >> 1); \ 315 stem ## max = array_roundsize (stem ## cnt >> 1); \
247 base = realloc (base, sizeof (*base) * (stem ## max)); \ 316 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
248 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 317 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
249 } 318 }
250 319
320/* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */
321/* bringing us everlasting joy in form of stupid extra macros that are not required in C */
322#define array_free_microshit(stem) \
323 ev_free (stem ## s); stem ## cnt = stem ## max = 0;
324
251#define array_free(stem, idx) \ 325#define array_free(stem, idx) \
252 free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 326 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
253 327
254/*****************************************************************************/ 328/*****************************************************************************/
255 329
256static void 330static void
257anfds_init (ANFD *base, int count) 331anfds_init (ANFD *base, int count)
264 338
265 ++base; 339 ++base;
266 } 340 }
267} 341}
268 342
269static void 343void
270event (EV_P_ W w, int events) 344ev_feed_event (EV_P_ void *w, int revents)
271{ 345{
346 W w_ = (W)w;
347
272 if (w->pending) 348 if (w_->pending)
273 { 349 {
274 pendings [ABSPRI (w)][w->pending - 1].events |= events; 350 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
275 return; 351 return;
276 } 352 }
277 353
278 w->pending = ++pendingcnt [ABSPRI (w)]; 354 w_->pending = ++pendingcnt [ABSPRI (w_)];
279 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); 355 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
280 pendings [ABSPRI (w)][w->pending - 1].w = w; 356 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
281 pendings [ABSPRI (w)][w->pending - 1].events = events; 357 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
282} 358}
283 359
284static void 360static void
285queue_events (EV_P_ W *events, int eventcnt, int type) 361queue_events (EV_P_ W *events, int eventcnt, int type)
286{ 362{
287 int i; 363 int i;
288 364
289 for (i = 0; i < eventcnt; ++i) 365 for (i = 0; i < eventcnt; ++i)
290 event (EV_A_ events [i], type); 366 ev_feed_event (EV_A_ events [i], type);
291} 367}
292 368
293static void 369inline void
294fd_event (EV_P_ int fd, int events) 370fd_event (EV_P_ int fd, int revents)
295{ 371{
296 ANFD *anfd = anfds + fd; 372 ANFD *anfd = anfds + fd;
297 struct ev_io *w; 373 struct ev_io *w;
298 374
299 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)
300 { 376 {
301 int ev = w->events & events; 377 int ev = w->events & revents;
302 378
303 if (ev) 379 if (ev)
304 event (EV_A_ (W)w, ev); 380 ev_feed_event (EV_A_ (W)w, ev);
305 } 381 }
382}
383
384void
385ev_feed_fd_event (EV_P_ int fd, int revents)
386{
387 fd_event (EV_A_ fd, revents);
306} 388}
307 389
308/*****************************************************************************/ 390/*****************************************************************************/
309 391
310static void 392static void
333} 415}
334 416
335static void 417static void
336fd_change (EV_P_ int fd) 418fd_change (EV_P_ int fd)
337{ 419{
338 if (anfds [fd].reify || fdchangecnt < 0) 420 if (anfds [fd].reify)
339 return; 421 return;
340 422
341 anfds [fd].reify = 1; 423 anfds [fd].reify = 1;
342 424
343 ++fdchangecnt; 425 ++fdchangecnt;
344 array_needsize (fdchanges, fdchangemax, fdchangecnt, ); 426 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void));
345 fdchanges [fdchangecnt - 1] = fd; 427 fdchanges [fdchangecnt - 1] = fd;
346} 428}
347 429
348static void 430static void
349fd_kill (EV_P_ int fd) 431fd_kill (EV_P_ int fd)
351 struct ev_io *w; 433 struct ev_io *w;
352 434
353 while ((w = (struct ev_io *)anfds [fd].head)) 435 while ((w = (struct ev_io *)anfds [fd].head))
354 { 436 {
355 ev_io_stop (EV_A_ w); 437 ev_io_stop (EV_A_ w);
356 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 438 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
357 } 439 }
440}
441
442static int
443fd_valid (int fd)
444{
445#ifdef WIN32
446 return !!win32_get_osfhandle (fd);
447#else
448 return fcntl (fd, F_GETFD) != -1;
449#endif
358} 450}
359 451
360/* called on EBADF to verify fds */ 452/* called on EBADF to verify fds */
361static void 453static void
362fd_ebadf (EV_P) 454fd_ebadf (EV_P)
363{ 455{
364 int fd; 456 int fd;
365 457
366 for (fd = 0; fd < anfdmax; ++fd) 458 for (fd = 0; fd < anfdmax; ++fd)
367 if (anfds [fd].events) 459 if (anfds [fd].events)
368 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) 460 if (!fd_valid (fd) == -1 && errno == EBADF)
369 fd_kill (EV_A_ fd); 461 fd_kill (EV_A_ fd);
370} 462}
371 463
372/* called on ENOMEM in select/poll to kill some fds and retry */ 464/* called on ENOMEM in select/poll to kill some fds and retry */
373static void 465static void
376 int fd; 468 int fd;
377 469
378 for (fd = anfdmax; fd--; ) 470 for (fd = anfdmax; fd--; )
379 if (anfds [fd].events) 471 if (anfds [fd].events)
380 { 472 {
381 close (fd);
382 fd_kill (EV_A_ fd); 473 fd_kill (EV_A_ fd);
383 return; 474 return;
384 } 475 }
385} 476}
386 477
387/* susually called after fork if method needs to re-arm all fds from scratch */ 478/* usually called after fork if method needs to re-arm all fds from scratch */
388static void 479static void
389fd_rearm_all (EV_P) 480fd_rearm_all (EV_P)
390{ 481{
391 int fd; 482 int fd;
392 483
440 531
441 heap [k] = w; 532 heap [k] = w;
442 ((W)heap [k])->active = k + 1; 533 ((W)heap [k])->active = k + 1;
443} 534}
444 535
536inline void
537adjustheap (WT *heap, int N, int k, ev_tstamp at)
538{
539 ev_tstamp old_at = heap [k]->at;
540 heap [k]->at = at;
541
542 if (old_at < at)
543 downheap (heap, N, k);
544 else
545 upheap (heap, k);
546}
547
445/*****************************************************************************/ 548/*****************************************************************************/
446 549
447typedef struct 550typedef struct
448{ 551{
449 struct ev_watcher_list *head; 552 WL head;
450 sig_atomic_t volatile gotsig; 553 sig_atomic_t volatile gotsig;
451} ANSIG; 554} ANSIG;
452 555
453static ANSIG *signals; 556static ANSIG *signals;
454static int signalmax; 557static int signalmax;
480 583
481 if (!gotsig) 584 if (!gotsig)
482 { 585 {
483 int old_errno = errno; 586 int old_errno = errno;
484 gotsig = 1; 587 gotsig = 1;
588#ifdef WIN32
589 send (sigpipe [1], &signum, 1, MSG_DONTWAIT);
590#else
485 write (sigpipe [1], &signum, 1); 591 write (sigpipe [1], &signum, 1);
592#endif
486 errno = old_errno; 593 errno = old_errno;
487 } 594 }
488} 595}
489 596
597void
598ev_feed_signal_event (EV_P_ int signum)
599{
600 WL w;
601
602#if EV_MULTIPLICITY
603 assert (("feeding signal events is only supported in the default loop", loop == default_loop));
604#endif
605
606 --signum;
607
608 if (signum < 0 || signum >= signalmax)
609 return;
610
611 signals [signum].gotsig = 0;
612
613 for (w = signals [signum].head; w; w = w->next)
614 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
615}
616
490static void 617static void
491sigcb (EV_P_ struct ev_io *iow, int revents) 618sigcb (EV_P_ struct ev_io *iow, int revents)
492{ 619{
493 struct ev_watcher_list *w;
494 int signum; 620 int signum;
495 621
622#ifdef WIN32
623 recv (sigpipe [0], &revents, 1, MSG_DONTWAIT);
624#else
496 read (sigpipe [0], &revents, 1); 625 read (sigpipe [0], &revents, 1);
626#endif
497 gotsig = 0; 627 gotsig = 0;
498 628
499 for (signum = signalmax; signum--; ) 629 for (signum = signalmax; signum--; )
500 if (signals [signum].gotsig) 630 if (signals [signum].gotsig)
501 { 631 ev_feed_signal_event (EV_A_ signum + 1);
502 signals [signum].gotsig = 0;
503
504 for (w = signals [signum].head; w; w = w->next)
505 event (EV_A_ (W)w, EV_SIGNAL);
506 }
507} 632}
508 633
509static void 634static void
510siginit (EV_P) 635siginit (EV_P)
511{ 636{
523 ev_unref (EV_A); /* child watcher should not keep loop alive */ 648 ev_unref (EV_A); /* child watcher should not keep loop alive */
524} 649}
525 650
526/*****************************************************************************/ 651/*****************************************************************************/
527 652
653static struct ev_child *childs [PID_HASHSIZE];
654
528#ifndef WIN32 655#ifndef WIN32
529 656
530static struct ev_child *childs [PID_HASHSIZE];
531static struct ev_signal childev; 657static struct ev_signal childev;
532 658
533#ifndef WCONTINUED 659#ifndef WCONTINUED
534# define WCONTINUED 0 660# define WCONTINUED 0
535#endif 661#endif
543 if (w->pid == pid || !w->pid) 669 if (w->pid == pid || !w->pid)
544 { 670 {
545 ev_priority (w) = ev_priority (sw); /* need to do it *now* */ 671 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
546 w->rpid = pid; 672 w->rpid = pid;
547 w->rstatus = status; 673 w->rstatus = status;
548 event (EV_A_ (W)w, EV_CHILD); 674 ev_feed_event (EV_A_ (W)w, EV_CHILD);
549 } 675 }
550} 676}
551 677
552static void 678static void
553childcb (EV_P_ struct ev_signal *sw, int revents) 679childcb (EV_P_ struct ev_signal *sw, int revents)
555 int pid, status; 681 int pid, status;
556 682
557 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) 683 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
558 { 684 {
559 /* make sure we are called again until all childs have been reaped */ 685 /* make sure we are called again until all childs have been reaped */
560 event (EV_A_ (W)sw, EV_SIGNAL); 686 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
561 687
562 child_reap (EV_A_ sw, pid, pid, status); 688 child_reap (EV_A_ sw, pid, pid, status);
563 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ 689 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
564 } 690 }
565} 691}
622 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 748 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
623 have_monotonic = 1; 749 have_monotonic = 1;
624 } 750 }
625#endif 751#endif
626 752
627 rt_now = ev_time (); 753 ev_rt_now = ev_time ();
628 mn_now = get_clock (); 754 mn_now = get_clock ();
629 now_floor = mn_now; 755 now_floor = mn_now;
630 rtmn_diff = rt_now - mn_now; 756 rtmn_diff = ev_rt_now - mn_now;
631 757
632 if (methods == EVMETHOD_AUTO) 758 if (methods == EVMETHOD_AUTO)
633 if (!enable_secure () && getenv ("LIBEV_METHODS")) 759 if (!enable_secure () && getenv ("LIBEV_METHODS"))
634 methods = atoi (getenv ("LIBEV_METHODS")); 760 methods = atoi (getenv ("LIBEV_METHODS"));
635 else 761 else
649 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 775 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
650#endif 776#endif
651#if EV_USE_SELECT 777#if EV_USE_SELECT
652 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 778 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
653#endif 779#endif
780
781 ev_init (&sigev, sigcb);
782 ev_set_priority (&sigev, EV_MAXPRI);
654 } 783 }
655} 784}
656 785
657void 786void
658loop_destroy (EV_P) 787loop_destroy (EV_P)
676#endif 805#endif
677 806
678 for (i = NUMPRI; i--; ) 807 for (i = NUMPRI; i--; )
679 array_free (pending, [i]); 808 array_free (pending, [i]);
680 809
810 /* have to use the microsoft-never-gets-it-right macro */
681 array_free (fdchange, ); 811 array_free_microshit (fdchange);
682 array_free (timer, ); 812 array_free_microshit (timer);
813#if EV_PERIODICS
683 array_free (periodic, ); 814 array_free_microshit (periodic);
815#endif
684 array_free (idle, ); 816 array_free_microshit (idle);
685 array_free (prepare, ); 817 array_free_microshit (prepare);
686 array_free (check, ); 818 array_free_microshit (check);
687 819
688 method = 0; 820 method = 0;
689 /*TODO*/
690} 821}
691 822
692void 823static void
693loop_fork (EV_P) 824loop_fork (EV_P)
694{ 825{
695 /*TODO*/
696#if EV_USE_EPOLL 826#if EV_USE_EPOLL
697 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); 827 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
698#endif 828#endif
699#if EV_USE_KQUEUE 829#if EV_USE_KQUEUE
700 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); 830 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
701#endif 831#endif
832
833 if (ev_is_active (&sigev))
834 {
835 /* default loop */
836
837 ev_ref (EV_A);
838 ev_io_stop (EV_A_ &sigev);
839 close (sigpipe [0]);
840 close (sigpipe [1]);
841
842 while (pipe (sigpipe))
843 syserr ("(libev) error creating pipe");
844
845 siginit (EV_A);
846 }
847
848 postfork = 0;
702} 849}
703 850
704#if EV_MULTIPLICITY 851#if EV_MULTIPLICITY
705struct ev_loop * 852struct ev_loop *
706ev_loop_new (int methods) 853ev_loop_new (int methods)
707{ 854{
708 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); 855 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
856
857 memset (loop, 0, sizeof (struct ev_loop));
709 858
710 loop_init (EV_A_ methods); 859 loop_init (EV_A_ methods);
711 860
712 if (ev_method (EV_A)) 861 if (ev_method (EV_A))
713 return loop; 862 return loop;
717 866
718void 867void
719ev_loop_destroy (EV_P) 868ev_loop_destroy (EV_P)
720{ 869{
721 loop_destroy (EV_A); 870 loop_destroy (EV_A);
722 free (loop); 871 ev_free (loop);
723} 872}
724 873
725void 874void
726ev_loop_fork (EV_P) 875ev_loop_fork (EV_P)
727{ 876{
728 loop_fork (EV_A); 877 postfork = 1;
729} 878}
730 879
731#endif 880#endif
732 881
733#if EV_MULTIPLICITY 882#if EV_MULTIPLICITY
734struct ev_loop default_loop_struct;
735static struct ev_loop *default_loop;
736
737struct ev_loop * 883struct ev_loop *
738#else 884#else
739static int default_loop;
740
741int 885int
742#endif 886#endif
743ev_default_loop (int methods) 887ev_default_loop (int methods)
744{ 888{
745 if (sigpipe [0] == sigpipe [1]) 889 if (sigpipe [0] == sigpipe [1])
756 900
757 loop_init (EV_A_ methods); 901 loop_init (EV_A_ methods);
758 902
759 if (ev_method (EV_A)) 903 if (ev_method (EV_A))
760 { 904 {
761 ev_watcher_init (&sigev, sigcb);
762 ev_set_priority (&sigev, EV_MAXPRI);
763 siginit (EV_A); 905 siginit (EV_A);
764 906
765#ifndef WIN32 907#ifndef WIN32
766 ev_signal_init (&childev, childcb, SIGCHLD); 908 ev_signal_init (&childev, childcb, SIGCHLD);
767 ev_set_priority (&childev, EV_MAXPRI); 909 ev_set_priority (&childev, EV_MAXPRI);
781{ 923{
782#if EV_MULTIPLICITY 924#if EV_MULTIPLICITY
783 struct ev_loop *loop = default_loop; 925 struct ev_loop *loop = default_loop;
784#endif 926#endif
785 927
928#ifndef WIN32
786 ev_ref (EV_A); /* child watcher */ 929 ev_ref (EV_A); /* child watcher */
787 ev_signal_stop (EV_A_ &childev); 930 ev_signal_stop (EV_A_ &childev);
931#endif
788 932
789 ev_ref (EV_A); /* signal watcher */ 933 ev_ref (EV_A); /* signal watcher */
790 ev_io_stop (EV_A_ &sigev); 934 ev_io_stop (EV_A_ &sigev);
791 935
792 close (sigpipe [0]); sigpipe [0] = 0; 936 close (sigpipe [0]); sigpipe [0] = 0;
800{ 944{
801#if EV_MULTIPLICITY 945#if EV_MULTIPLICITY
802 struct ev_loop *loop = default_loop; 946 struct ev_loop *loop = default_loop;
803#endif 947#endif
804 948
805 loop_fork (EV_A); 949 if (method)
806 950 postfork = 1;
807 ev_io_stop (EV_A_ &sigev);
808 close (sigpipe [0]);
809 close (sigpipe [1]);
810 pipe (sigpipe);
811
812 ev_ref (EV_A); /* signal watcher */
813 siginit (EV_A);
814} 951}
815 952
816/*****************************************************************************/ 953/*****************************************************************************/
954
955static int
956any_pending (EV_P)
957{
958 int pri;
959
960 for (pri = NUMPRI; pri--; )
961 if (pendingcnt [pri])
962 return 1;
963
964 return 0;
965}
817 966
818static void 967static void
819call_pending (EV_P) 968call_pending (EV_P)
820{ 969{
821 int pri; 970 int pri;
826 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 975 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
827 976
828 if (p->w) 977 if (p->w)
829 { 978 {
830 p->w->pending = 0; 979 p->w->pending = 0;
831 p->w->cb (EV_A_ p->w, p->events); 980 EV_CB_INVOKE (p->w, p->events);
832 } 981 }
833 } 982 }
834} 983}
835 984
836static void 985static void
844 993
845 /* first reschedule or stop timer */ 994 /* first reschedule or stop timer */
846 if (w->repeat) 995 if (w->repeat)
847 { 996 {
848 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 997 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
998
849 ((WT)w)->at = mn_now + w->repeat; 999 ((WT)w)->at += w->repeat;
1000 if (((WT)w)->at < mn_now)
1001 ((WT)w)->at = mn_now;
1002
850 downheap ((WT *)timers, timercnt, 0); 1003 downheap ((WT *)timers, timercnt, 0);
851 } 1004 }
852 else 1005 else
853 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1006 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
854 1007
855 event (EV_A_ (W)w, EV_TIMEOUT); 1008 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
856 } 1009 }
857} 1010}
858 1011
1012#if EV_PERIODICS
859static void 1013static void
860periodics_reify (EV_P) 1014periodics_reify (EV_P)
861{ 1015{
862 while (periodiccnt && ((WT)periodics [0])->at <= rt_now) 1016 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
863 { 1017 {
864 struct ev_periodic *w = periodics [0]; 1018 struct ev_periodic *w = periodics [0];
865 1019
866 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1020 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
867 1021
868 /* first reschedule or stop timer */ 1022 /* first reschedule or stop timer */
869 if (w->interval) 1023 if (w->reschedule_cb)
870 { 1024 {
1025 ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1026
1027 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1028 downheap ((WT *)periodics, periodiccnt, 0);
1029 }
1030 else if (w->interval)
1031 {
871 ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; 1032 ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
872 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); 1033 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
873 downheap ((WT *)periodics, periodiccnt, 0); 1034 downheap ((WT *)periodics, periodiccnt, 0);
874 } 1035 }
875 else 1036 else
876 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1037 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
877 1038
878 event (EV_A_ (W)w, EV_PERIODIC); 1039 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
879 } 1040 }
880} 1041}
881 1042
882static void 1043static void
883periodics_reschedule (EV_P) 1044periodics_reschedule (EV_P)
887 /* adjust periodics after time jump */ 1048 /* adjust periodics after time jump */
888 for (i = 0; i < periodiccnt; ++i) 1049 for (i = 0; i < periodiccnt; ++i)
889 { 1050 {
890 struct ev_periodic *w = periodics [i]; 1051 struct ev_periodic *w = periodics [i];
891 1052
1053 if (w->reschedule_cb)
1054 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
892 if (w->interval) 1055 else if (w->interval)
893 {
894 ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; 1056 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
895
896 if (fabs (diff) >= 1e-4)
897 {
898 ev_periodic_stop (EV_A_ w);
899 ev_periodic_start (EV_A_ w);
900
901 i = 0; /* restart loop, inefficient, but time jumps should be rare */
902 }
903 }
904 } 1057 }
1058
1059 /* now rebuild the heap */
1060 for (i = periodiccnt >> 1; i--; )
1061 downheap ((WT *)periodics, periodiccnt, i);
905} 1062}
1063#endif
906 1064
907inline int 1065inline int
908time_update_monotonic (EV_P) 1066time_update_monotonic (EV_P)
909{ 1067{
910 mn_now = get_clock (); 1068 mn_now = get_clock ();
911 1069
912 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 1070 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
913 { 1071 {
914 rt_now = rtmn_diff + mn_now; 1072 ev_rt_now = rtmn_diff + mn_now;
915 return 0; 1073 return 0;
916 } 1074 }
917 else 1075 else
918 { 1076 {
919 now_floor = mn_now; 1077 now_floor = mn_now;
920 rt_now = ev_time (); 1078 ev_rt_now = ev_time ();
921 return 1; 1079 return 1;
922 } 1080 }
923} 1081}
924 1082
925static void 1083static void
934 { 1092 {
935 ev_tstamp odiff = rtmn_diff; 1093 ev_tstamp odiff = rtmn_diff;
936 1094
937 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 1095 for (i = 4; --i; ) /* loop a few times, before making important decisions */
938 { 1096 {
939 rtmn_diff = rt_now - mn_now; 1097 rtmn_diff = ev_rt_now - mn_now;
940 1098
941 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1099 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
942 return; /* all is well */ 1100 return; /* all is well */
943 1101
944 rt_now = ev_time (); 1102 ev_rt_now = ev_time ();
945 mn_now = get_clock (); 1103 mn_now = get_clock ();
946 now_floor = mn_now; 1104 now_floor = mn_now;
947 } 1105 }
948 1106
1107# if EV_PERIODICS
949 periodics_reschedule (EV_A); 1108 periodics_reschedule (EV_A);
1109# endif
950 /* no timer adjustment, as the monotonic clock doesn't jump */ 1110 /* no timer adjustment, as the monotonic clock doesn't jump */
951 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1111 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
952 } 1112 }
953 } 1113 }
954 else 1114 else
955#endif 1115#endif
956 { 1116 {
957 rt_now = ev_time (); 1117 ev_rt_now = ev_time ();
958 1118
959 if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1119 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
960 { 1120 {
1121#if EV_PERIODICS
961 periodics_reschedule (EV_A); 1122 periodics_reschedule (EV_A);
1123#endif
962 1124
963 /* adjust timers. this is easy, as the offset is the same for all */ 1125 /* adjust timers. this is easy, as the offset is the same for all */
964 for (i = 0; i < timercnt; ++i) 1126 for (i = 0; i < timercnt; ++i)
965 ((WT)timers [i])->at += rt_now - mn_now; 1127 ((WT)timers [i])->at += ev_rt_now - mn_now;
966 } 1128 }
967 1129
968 mn_now = rt_now; 1130 mn_now = ev_rt_now;
969 } 1131 }
970} 1132}
971 1133
972void 1134void
973ev_ref (EV_P) 1135ev_ref (EV_P)
996 { 1158 {
997 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1159 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
998 call_pending (EV_A); 1160 call_pending (EV_A);
999 } 1161 }
1000 1162
1163 /* we might have forked, so reify kernel state if necessary */
1164 if (expect_false (postfork))
1165 loop_fork (EV_A);
1166
1001 /* update fd-related kernel structures */ 1167 /* update fd-related kernel structures */
1002 fd_reify (EV_A); 1168 fd_reify (EV_A);
1003 1169
1004 /* calculate blocking time */ 1170 /* calculate blocking time */
1005 1171
1006 /* we only need this for !monotonic clockor timers, but as we basically 1172 /* we only need this for !monotonic clock or timers, but as we basically
1007 always have timers, we just calculate it always */ 1173 always have timers, we just calculate it always */
1008#if EV_USE_MONOTONIC 1174#if EV_USE_MONOTONIC
1009 if (expect_true (have_monotonic)) 1175 if (expect_true (have_monotonic))
1010 time_update_monotonic (EV_A); 1176 time_update_monotonic (EV_A);
1011 else 1177 else
1012#endif 1178#endif
1013 { 1179 {
1014 rt_now = ev_time (); 1180 ev_rt_now = ev_time ();
1015 mn_now = rt_now; 1181 mn_now = ev_rt_now;
1016 } 1182 }
1017 1183
1018 if (flags & EVLOOP_NONBLOCK || idlecnt) 1184 if (flags & EVLOOP_NONBLOCK || idlecnt)
1019 block = 0.; 1185 block = 0.;
1020 else 1186 else
1025 { 1191 {
1026 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; 1192 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
1027 if (block > to) block = to; 1193 if (block > to) block = to;
1028 } 1194 }
1029 1195
1196#if EV_PERIODICS
1030 if (periodiccnt) 1197 if (periodiccnt)
1031 { 1198 {
1032 ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; 1199 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
1033 if (block > to) block = to; 1200 if (block > to) block = to;
1034 } 1201 }
1202#endif
1035 1203
1036 if (block < 0.) block = 0.; 1204 if (block < 0.) block = 0.;
1037 } 1205 }
1038 1206
1039 method_poll (EV_A_ block); 1207 method_poll (EV_A_ block);
1040 1208
1041 /* update rt_now, do magic */ 1209 /* update ev_rt_now, do magic */
1042 time_update (EV_A); 1210 time_update (EV_A);
1043 1211
1044 /* queue pending timers and reschedule them */ 1212 /* queue pending timers and reschedule them */
1045 timers_reify (EV_A); /* relative timers called last */ 1213 timers_reify (EV_A); /* relative timers called last */
1214#if EV_PERIODICS
1046 periodics_reify (EV_A); /* absolute timers called first */ 1215 periodics_reify (EV_A); /* absolute timers called first */
1216#endif
1047 1217
1048 /* queue idle watchers unless io or timers are pending */ 1218 /* queue idle watchers unless io or timers are pending */
1049 if (!pendingcnt) 1219 if (idlecnt && !any_pending (EV_A))
1050 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1220 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
1051 1221
1052 /* queue check watchers, to be executed first */ 1222 /* queue check watchers, to be executed first */
1053 if (checkcnt) 1223 if (checkcnt)
1054 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1224 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1129 return; 1299 return;
1130 1300
1131 assert (("ev_io_start called with negative fd", fd >= 0)); 1301 assert (("ev_io_start called with negative fd", fd >= 0));
1132 1302
1133 ev_start (EV_A_ (W)w, 1); 1303 ev_start (EV_A_ (W)w, 1);
1134 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 1304 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1135 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1305 wlist_add ((WL *)&anfds[fd].head, (WL)w);
1136 1306
1137 fd_change (EV_A_ fd); 1307 fd_change (EV_A_ fd);
1138} 1308}
1139 1309
1142{ 1312{
1143 ev_clear_pending (EV_A_ (W)w); 1313 ev_clear_pending (EV_A_ (W)w);
1144 if (!ev_is_active (w)) 1314 if (!ev_is_active (w))
1145 return; 1315 return;
1146 1316
1317 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1318
1147 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1319 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
1148 ev_stop (EV_A_ (W)w); 1320 ev_stop (EV_A_ (W)w);
1149 1321
1150 fd_change (EV_A_ w->fd); 1322 fd_change (EV_A_ w->fd);
1151} 1323}
1159 ((WT)w)->at += mn_now; 1331 ((WT)w)->at += mn_now;
1160 1332
1161 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1333 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1162 1334
1163 ev_start (EV_A_ (W)w, ++timercnt); 1335 ev_start (EV_A_ (W)w, ++timercnt);
1164 array_needsize (timers, timermax, timercnt, ); 1336 array_needsize (struct ev_timer *, timers, timermax, timercnt, (void));
1165 timers [timercnt - 1] = w; 1337 timers [timercnt - 1] = w;
1166 upheap ((WT *)timers, timercnt - 1); 1338 upheap ((WT *)timers, timercnt - 1);
1167 1339
1168 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1340 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1169} 1341}
1181 { 1353 {
1182 timers [((W)w)->active - 1] = timers [timercnt]; 1354 timers [((W)w)->active - 1] = timers [timercnt];
1183 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1355 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1184 } 1356 }
1185 1357
1186 ((WT)w)->at = w->repeat; 1358 ((WT)w)->at -= mn_now;
1187 1359
1188 ev_stop (EV_A_ (W)w); 1360 ev_stop (EV_A_ (W)w);
1189} 1361}
1190 1362
1191void 1363void
1192ev_timer_again (EV_P_ struct ev_timer *w) 1364ev_timer_again (EV_P_ struct ev_timer *w)
1193{ 1365{
1194 if (ev_is_active (w)) 1366 if (ev_is_active (w))
1195 { 1367 {
1196 if (w->repeat) 1368 if (w->repeat)
1197 {
1198 ((WT)w)->at = mn_now + w->repeat;
1199 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1369 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat);
1200 }
1201 else 1370 else
1202 ev_timer_stop (EV_A_ w); 1371 ev_timer_stop (EV_A_ w);
1203 } 1372 }
1204 else if (w->repeat) 1373 else if (w->repeat)
1205 ev_timer_start (EV_A_ w); 1374 ev_timer_start (EV_A_ w);
1206} 1375}
1207 1376
1377#if EV_PERIODICS
1208void 1378void
1209ev_periodic_start (EV_P_ struct ev_periodic *w) 1379ev_periodic_start (EV_P_ struct ev_periodic *w)
1210{ 1380{
1211 if (ev_is_active (w)) 1381 if (ev_is_active (w))
1212 return; 1382 return;
1213 1383
1384 if (w->reschedule_cb)
1385 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1386 else if (w->interval)
1387 {
1214 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1388 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1215
1216 /* this formula differs from the one in periodic_reify because we do not always round up */ 1389 /* this formula differs from the one in periodic_reify because we do not always round up */
1217 if (w->interval)
1218 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; 1390 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1391 }
1219 1392
1220 ev_start (EV_A_ (W)w, ++periodiccnt); 1393 ev_start (EV_A_ (W)w, ++periodiccnt);
1221 array_needsize (periodics, periodicmax, periodiccnt, ); 1394 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void));
1222 periodics [periodiccnt - 1] = w; 1395 periodics [periodiccnt - 1] = w;
1223 upheap ((WT *)periodics, periodiccnt - 1); 1396 upheap ((WT *)periodics, periodiccnt - 1);
1224 1397
1225 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1398 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1226} 1399}
1242 1415
1243 ev_stop (EV_A_ (W)w); 1416 ev_stop (EV_A_ (W)w);
1244} 1417}
1245 1418
1246void 1419void
1420ev_periodic_again (EV_P_ struct ev_periodic *w)
1421{
1422 /* TODO: use adjustheap and recalculation */
1423 ev_periodic_stop (EV_A_ w);
1424 ev_periodic_start (EV_A_ w);
1425}
1426#endif
1427
1428void
1247ev_idle_start (EV_P_ struct ev_idle *w) 1429ev_idle_start (EV_P_ struct ev_idle *w)
1248{ 1430{
1249 if (ev_is_active (w)) 1431 if (ev_is_active (w))
1250 return; 1432 return;
1251 1433
1252 ev_start (EV_A_ (W)w, ++idlecnt); 1434 ev_start (EV_A_ (W)w, ++idlecnt);
1253 array_needsize (idles, idlemax, idlecnt, ); 1435 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void));
1254 idles [idlecnt - 1] = w; 1436 idles [idlecnt - 1] = w;
1255} 1437}
1256 1438
1257void 1439void
1258ev_idle_stop (EV_P_ struct ev_idle *w) 1440ev_idle_stop (EV_P_ struct ev_idle *w)
1270{ 1452{
1271 if (ev_is_active (w)) 1453 if (ev_is_active (w))
1272 return; 1454 return;
1273 1455
1274 ev_start (EV_A_ (W)w, ++preparecnt); 1456 ev_start (EV_A_ (W)w, ++preparecnt);
1275 array_needsize (prepares, preparemax, preparecnt, ); 1457 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void));
1276 prepares [preparecnt - 1] = w; 1458 prepares [preparecnt - 1] = w;
1277} 1459}
1278 1460
1279void 1461void
1280ev_prepare_stop (EV_P_ struct ev_prepare *w) 1462ev_prepare_stop (EV_P_ struct ev_prepare *w)
1292{ 1474{
1293 if (ev_is_active (w)) 1475 if (ev_is_active (w))
1294 return; 1476 return;
1295 1477
1296 ev_start (EV_A_ (W)w, ++checkcnt); 1478 ev_start (EV_A_ (W)w, ++checkcnt);
1297 array_needsize (checks, checkmax, checkcnt, ); 1479 array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void));
1298 checks [checkcnt - 1] = w; 1480 checks [checkcnt - 1] = w;
1299} 1481}
1300 1482
1301void 1483void
1302ev_check_stop (EV_P_ struct ev_check *w) 1484ev_check_stop (EV_P_ struct ev_check *w)
1303{ 1485{
1304 ev_clear_pending (EV_A_ (W)w); 1486 ev_clear_pending (EV_A_ (W)w);
1305 if (ev_is_active (w)) 1487 if (!ev_is_active (w))
1306 return; 1488 return;
1307 1489
1308 checks [((W)w)->active - 1] = checks [--checkcnt]; 1490 checks [((W)w)->active - 1] = checks [--checkcnt];
1309 ev_stop (EV_A_ (W)w); 1491 ev_stop (EV_A_ (W)w);
1310} 1492}
1323 return; 1505 return;
1324 1506
1325 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1507 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1326 1508
1327 ev_start (EV_A_ (W)w, 1); 1509 ev_start (EV_A_ (W)w, 1);
1328 array_needsize (signals, signalmax, w->signum, signals_init); 1510 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1329 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1511 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1330 1512
1331 if (!((WL)w)->next) 1513 if (!((WL)w)->next)
1332 { 1514 {
1333#if WIN32 1515#if WIN32
1371 1553
1372void 1554void
1373ev_child_stop (EV_P_ struct ev_child *w) 1555ev_child_stop (EV_P_ struct ev_child *w)
1374{ 1556{
1375 ev_clear_pending (EV_A_ (W)w); 1557 ev_clear_pending (EV_A_ (W)w);
1376 if (ev_is_active (w)) 1558 if (!ev_is_active (w))
1377 return; 1559 return;
1378 1560
1379 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1561 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1380 ev_stop (EV_A_ (W)w); 1562 ev_stop (EV_A_ (W)w);
1381} 1563}
1396 void (*cb)(int revents, void *arg) = once->cb; 1578 void (*cb)(int revents, void *arg) = once->cb;
1397 void *arg = once->arg; 1579 void *arg = once->arg;
1398 1580
1399 ev_io_stop (EV_A_ &once->io); 1581 ev_io_stop (EV_A_ &once->io);
1400 ev_timer_stop (EV_A_ &once->to); 1582 ev_timer_stop (EV_A_ &once->to);
1401 free (once); 1583 ev_free (once);
1402 1584
1403 cb (revents, arg); 1585 cb (revents, arg);
1404} 1586}
1405 1587
1406static void 1588static void
1416} 1598}
1417 1599
1418void 1600void
1419ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1601ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1420{ 1602{
1421 struct ev_once *once = malloc (sizeof (struct ev_once)); 1603 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1422 1604
1423 if (!once) 1605 if (!once)
1424 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1606 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1425 else 1607 else
1426 { 1608 {
1427 once->cb = cb; 1609 once->cb = cb;
1428 once->arg = arg; 1610 once->arg = arg;
1429 1611
1430 ev_watcher_init (&once->io, once_cb_io); 1612 ev_init (&once->io, once_cb_io);
1431 if (fd >= 0) 1613 if (fd >= 0)
1432 { 1614 {
1433 ev_io_set (&once->io, fd, events); 1615 ev_io_set (&once->io, fd, events);
1434 ev_io_start (EV_A_ &once->io); 1616 ev_io_start (EV_A_ &once->io);
1435 } 1617 }
1436 1618
1437 ev_watcher_init (&once->to, once_cb_to); 1619 ev_init (&once->to, once_cb_to);
1438 if (timeout >= 0.) 1620 if (timeout >= 0.)
1439 { 1621 {
1440 ev_timer_set (&once->to, timeout, 0.); 1622 ev_timer_set (&once->to, timeout, 0.);
1441 ev_timer_start (EV_A_ &once->to); 1623 ev_timer_start (EV_A_ &once->to);
1442 } 1624 }
1443 } 1625 }
1444} 1626}
1445 1627
1628#ifdef __cplusplus
1629}
1630#endif
1631

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