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Comparing libev/ev.c (file contents):
Revision 1.55 by root, Sun Nov 4 00:39:24 2007 UTC vs.
Revision 1.120 by root, Fri Nov 16 01:54:25 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"
38
39# if HAVE_CLOCK_GETTIME
40# ifndef EV_USE_MONOTONIC
41# define EV_USE_MONOTONIC 1
42# endif
43# ifndef EV_USE_REALTIME
44# define EV_USE_REALTIME 1
45# endif
46# endif
47
48# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT)
49# define EV_USE_SELECT 1
50# endif
51
52# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL)
53# define EV_USE_POLL 1
54# endif
55
56# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL)
57# define EV_USE_EPOLL 1
58# endif
59
60# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE)
61# define EV_USE_KQUEUE 1
62# endif
63
64# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT)
65# define EV_USE_PORT 1
66# endif
67
33#endif 68#endif
34 69
35#include <math.h> 70#include <math.h>
36#include <stdlib.h> 71#include <stdlib.h>
37#include <unistd.h>
38#include <fcntl.h> 72#include <fcntl.h>
39#include <signal.h>
40#include <stddef.h> 73#include <stddef.h>
41 74
42#include <stdio.h> 75#include <stdio.h>
43 76
44#include <assert.h> 77#include <assert.h>
45#include <errno.h> 78#include <errno.h>
46#include <sys/types.h> 79#include <sys/types.h>
80#include <time.h>
81
82#include <signal.h>
83
47#ifndef WIN32 84#ifndef _WIN32
85# include <unistd.h>
86# include <sys/time.h>
48# include <sys/wait.h> 87# include <sys/wait.h>
88#else
89# define WIN32_LEAN_AND_MEAN
90# include <windows.h>
91# ifndef EV_SELECT_IS_WINSOCKET
92# define EV_SELECT_IS_WINSOCKET 1
49#endif 93# endif
50#include <sys/time.h> 94#endif
51#include <time.h>
52 95
53/**/ 96/**/
54 97
55#ifndef EV_USE_MONOTONIC 98#ifndef EV_USE_MONOTONIC
56# define EV_USE_MONOTONIC 1 99# define EV_USE_MONOTONIC 1
57#endif 100#endif
58 101
102#ifndef EV_USE_REALTIME
103# define EV_USE_REALTIME 1
104#endif
105
59#ifndef EV_USE_SELECT 106#ifndef EV_USE_SELECT
60# define EV_USE_SELECT 1 107# define EV_USE_SELECT 1
108# define EV_SELECT_USE_FD_SET 1
61#endif 109#endif
62 110
63#ifndef EV_USEV_POLL 111#ifndef EV_USE_POLL
64# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ 112# ifdef _WIN32
113# define EV_USE_POLL 0
114# else
115# define EV_USE_POLL 1
116# endif
65#endif 117#endif
66 118
67#ifndef EV_USE_EPOLL 119#ifndef EV_USE_EPOLL
68# define EV_USE_EPOLL 0 120# define EV_USE_EPOLL 0
69#endif 121#endif
70 122
71#ifndef EV_USE_KQUEUE 123#ifndef EV_USE_KQUEUE
72# define EV_USE_KQUEUE 0 124# define EV_USE_KQUEUE 0
73#endif 125#endif
74 126
75#ifndef EV_USE_REALTIME 127#ifndef EV_USE_PORT
76# define EV_USE_REALTIME 1 128# define EV_USE_PORT 0
77#endif 129#endif
78 130
79/**/ 131/**/
132
133/* darwin simply cannot be helped */
134#ifdef __APPLE__
135# undef EV_USE_POLL
136# undef EV_USE_KQUEUE
137#endif
80 138
81#ifndef CLOCK_MONOTONIC 139#ifndef CLOCK_MONOTONIC
82# undef EV_USE_MONOTONIC 140# undef EV_USE_MONOTONIC
83# define EV_USE_MONOTONIC 0 141# define EV_USE_MONOTONIC 0
84#endif 142#endif
86#ifndef CLOCK_REALTIME 144#ifndef CLOCK_REALTIME
87# undef EV_USE_REALTIME 145# undef EV_USE_REALTIME
88# define EV_USE_REALTIME 0 146# define EV_USE_REALTIME 0
89#endif 147#endif
90 148
149#if EV_SELECT_IS_WINSOCKET
150# include <winsock.h>
151#endif
152
91/**/ 153/**/
92 154
93#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 155#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
94#define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ 156#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
95#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ 157#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
96/*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ 158/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */
97 159
160#ifdef EV_H
161# include EV_H
162#else
98#include "ev.h" 163# include "ev.h"
164#endif
99 165
100#if __GNUC__ >= 3 166#if __GNUC__ >= 3
101# define expect(expr,value) __builtin_expect ((expr),(value)) 167# define expect(expr,value) __builtin_expect ((expr),(value))
102# define inline inline 168# define inline inline
103#else 169#else
109#define expect_true(expr) expect ((expr) != 0, 1) 175#define expect_true(expr) expect ((expr) != 0, 1)
110 176
111#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 177#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
112#define ABSPRI(w) ((w)->priority - EV_MINPRI) 178#define ABSPRI(w) ((w)->priority - EV_MINPRI)
113 179
180#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
181#define EMPTY2(a,b) /* used to suppress some warnings */
182
114typedef struct ev_watcher *W; 183typedef struct ev_watcher *W;
115typedef struct ev_watcher_list *WL; 184typedef struct ev_watcher_list *WL;
116typedef struct ev_watcher_time *WT; 185typedef struct ev_watcher_time *WT;
117 186
118static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 187static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119 188
189#ifdef _WIN32
190# include "ev_win32.c"
191#endif
192
120/*****************************************************************************/ 193/*****************************************************************************/
121 194
195static void (*syserr_cb)(const char *msg);
196
197void ev_set_syserr_cb (void (*cb)(const char *msg))
198{
199 syserr_cb = cb;
200}
201
202static void
203syserr (const char *msg)
204{
205 if (!msg)
206 msg = "(libev) system error";
207
208 if (syserr_cb)
209 syserr_cb (msg);
210 else
211 {
212 perror (msg);
213 abort ();
214 }
215}
216
217static void *(*alloc)(void *ptr, long size);
218
219void ev_set_allocator (void *(*cb)(void *ptr, long size))
220{
221 alloc = cb;
222}
223
224static void *
225ev_realloc (void *ptr, long size)
226{
227 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
228
229 if (!ptr && size)
230 {
231 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
232 abort ();
233 }
234
235 return ptr;
236}
237
238#define ev_malloc(size) ev_realloc (0, (size))
239#define ev_free(ptr) ev_realloc ((ptr), 0)
240
241/*****************************************************************************/
242
122typedef struct 243typedef struct
123{ 244{
124 struct ev_watcher_list *head; 245 WL head;
125 unsigned char events; 246 unsigned char events;
126 unsigned char reify; 247 unsigned char reify;
248#if EV_SELECT_IS_WINSOCKET
249 SOCKET handle;
250#endif
127} ANFD; 251} ANFD;
128 252
129typedef struct 253typedef struct
130{ 254{
131 W w; 255 W w;
132 int events; 256 int events;
133} ANPENDING; 257} ANPENDING;
134 258
135#if EV_MULTIPLICITY 259#if EV_MULTIPLICITY
136 260
137struct ev_loop 261 struct ev_loop
138{ 262 {
263 ev_tstamp ev_rt_now;
264 #define ev_rt_now ((loop)->ev_rt_now)
139# define VAR(name,decl) decl; 265 #define VAR(name,decl) decl;
140# include "ev_vars.h" 266 #include "ev_vars.h"
141};
142# undef VAR 267 #undef VAR
268 };
143# include "ev_wrap.h" 269 #include "ev_wrap.h"
270
271 static struct ev_loop default_loop_struct;
272 struct ev_loop *ev_default_loop_ptr;
144 273
145#else 274#else
146 275
276 ev_tstamp ev_rt_now;
147# define VAR(name,decl) static decl; 277 #define VAR(name,decl) static decl;
148# include "ev_vars.h" 278 #include "ev_vars.h"
149# undef VAR 279 #undef VAR
280
281 static int ev_default_loop_ptr;
150 282
151#endif 283#endif
152 284
153/*****************************************************************************/ 285/*****************************************************************************/
154 286
155inline ev_tstamp 287ev_tstamp
156ev_time (void) 288ev_time (void)
157{ 289{
158#if EV_USE_REALTIME 290#if EV_USE_REALTIME
159 struct timespec ts; 291 struct timespec ts;
160 clock_gettime (CLOCK_REALTIME, &ts); 292 clock_gettime (CLOCK_REALTIME, &ts);
179#endif 311#endif
180 312
181 return ev_time (); 313 return ev_time ();
182} 314}
183 315
316#if EV_MULTIPLICITY
184ev_tstamp 317ev_tstamp
185ev_now (EV_P) 318ev_now (EV_P)
186{ 319{
187 return rt_now; 320 return ev_rt_now;
188} 321}
322#endif
189 323
190#define array_roundsize(base,n) ((n) | 4 & ~3) 324#define array_roundsize(type,n) (((n) | 4) & ~3)
191 325
192#define array_needsize(base,cur,cnt,init) \ 326#define array_needsize(type,base,cur,cnt,init) \
193 if (expect_false ((cnt) > cur)) \ 327 if (expect_false ((cnt) > cur)) \
194 { \ 328 { \
195 int newcnt = cur; \ 329 int newcnt = cur; \
196 do \ 330 do \
197 { \ 331 { \
198 newcnt = array_roundsize (base, newcnt << 1); \ 332 newcnt = array_roundsize (type, newcnt << 1); \
199 } \ 333 } \
200 while ((cnt) > newcnt); \ 334 while ((cnt) > newcnt); \
201 \ 335 \
202 base = realloc (base, sizeof (*base) * (newcnt)); \ 336 base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\
203 init (base + cur, newcnt - cur); \ 337 init (base + cur, newcnt - cur); \
204 cur = newcnt; \ 338 cur = newcnt; \
205 } 339 }
340
341#define array_slim(type,stem) \
342 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
343 { \
344 stem ## max = array_roundsize (stem ## cnt >> 1); \
345 base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\
346 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
347 }
348
349#define array_free(stem, idx) \
350 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
206 351
207/*****************************************************************************/ 352/*****************************************************************************/
208 353
209static void 354static void
210anfds_init (ANFD *base, int count) 355anfds_init (ANFD *base, int count)
217 362
218 ++base; 363 ++base;
219 } 364 }
220} 365}
221 366
222static void 367void
223event (EV_P_ W w, int events) 368ev_feed_event (EV_P_ void *w, int revents)
224{ 369{
370 W w_ = (W)w;
371
225 if (w->pending) 372 if (w_->pending)
226 { 373 {
227 pendings [ABSPRI (w)][w->pending - 1].events |= events; 374 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
228 return; 375 return;
229 } 376 }
230 377
231 w->pending = ++pendingcnt [ABSPRI (w)]; 378 w_->pending = ++pendingcnt [ABSPRI (w_)];
232 array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); 379 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
233 pendings [ABSPRI (w)][w->pending - 1].w = w; 380 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
234 pendings [ABSPRI (w)][w->pending - 1].events = events; 381 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
235} 382}
236 383
237static void 384static void
238queue_events (EV_P_ W *events, int eventcnt, int type) 385queue_events (EV_P_ W *events, int eventcnt, int type)
239{ 386{
240 int i; 387 int i;
241 388
242 for (i = 0; i < eventcnt; ++i) 389 for (i = 0; i < eventcnt; ++i)
243 event (EV_A_ events [i], type); 390 ev_feed_event (EV_A_ events [i], type);
244} 391}
245 392
246static void 393inline void
247fd_event (EV_P_ int fd, int events) 394fd_event (EV_P_ int fd, int revents)
248{ 395{
249 ANFD *anfd = anfds + fd; 396 ANFD *anfd = anfds + fd;
250 struct ev_io *w; 397 struct ev_io *w;
251 398
252 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 399 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
253 { 400 {
254 int ev = w->events & events; 401 int ev = w->events & revents;
255 402
256 if (ev) 403 if (ev)
257 event (EV_A_ (W)w, ev); 404 ev_feed_event (EV_A_ (W)w, ev);
258 } 405 }
406}
407
408void
409ev_feed_fd_event (EV_P_ int fd, int revents)
410{
411 fd_event (EV_A_ fd, revents);
259} 412}
260 413
261/*****************************************************************************/ 414/*****************************************************************************/
262 415
263static void 416static void
274 int events = 0; 427 int events = 0;
275 428
276 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 429 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
277 events |= w->events; 430 events |= w->events;
278 431
432#if EV_SELECT_IS_WINSOCKET
433 if (events)
434 {
435 unsigned long argp;
436 anfd->handle = _get_osfhandle (fd);
437 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
438 }
439#endif
440
279 anfd->reify = 0; 441 anfd->reify = 0;
280 442
281 if (anfd->events != events)
282 {
283 method_modify (EV_A_ fd, anfd->events, events); 443 method_modify (EV_A_ fd, anfd->events, events);
284 anfd->events = events; 444 anfd->events = events;
285 }
286 } 445 }
287 446
288 fdchangecnt = 0; 447 fdchangecnt = 0;
289} 448}
290 449
291static void 450static void
292fd_change (EV_P_ int fd) 451fd_change (EV_P_ int fd)
293{ 452{
294 if (anfds [fd].reify || fdchangecnt < 0) 453 if (anfds [fd].reify)
295 return; 454 return;
296 455
297 anfds [fd].reify = 1; 456 anfds [fd].reify = 1;
298 457
299 ++fdchangecnt; 458 ++fdchangecnt;
300 array_needsize (fdchanges, fdchangemax, fdchangecnt, ); 459 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
301 fdchanges [fdchangecnt - 1] = fd; 460 fdchanges [fdchangecnt - 1] = fd;
302} 461}
303 462
304static void 463static void
305fd_kill (EV_P_ int fd) 464fd_kill (EV_P_ int fd)
307 struct ev_io *w; 466 struct ev_io *w;
308 467
309 while ((w = (struct ev_io *)anfds [fd].head)) 468 while ((w = (struct ev_io *)anfds [fd].head))
310 { 469 {
311 ev_io_stop (EV_A_ w); 470 ev_io_stop (EV_A_ w);
312 event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 471 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
313 } 472 }
473}
474
475static int
476fd_valid (int fd)
477{
478#ifdef _WIN32
479 return _get_osfhandle (fd) != -1;
480#else
481 return fcntl (fd, F_GETFD) != -1;
482#endif
314} 483}
315 484
316/* called on EBADF to verify fds */ 485/* called on EBADF to verify fds */
317static void 486static void
318fd_ebadf (EV_P) 487fd_ebadf (EV_P)
319{ 488{
320 int fd; 489 int fd;
321 490
322 for (fd = 0; fd < anfdmax; ++fd) 491 for (fd = 0; fd < anfdmax; ++fd)
323 if (anfds [fd].events) 492 if (anfds [fd].events)
324 if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) 493 if (!fd_valid (fd) == -1 && errno == EBADF)
325 fd_kill (EV_A_ fd); 494 fd_kill (EV_A_ fd);
326} 495}
327 496
328/* called on ENOMEM in select/poll to kill some fds and retry */ 497/* called on ENOMEM in select/poll to kill some fds and retry */
329static void 498static void
330fd_enomem (EV_P) 499fd_enomem (EV_P)
331{ 500{
332 int fd = anfdmax; 501 int fd;
333 502
334 while (fd--) 503 for (fd = anfdmax; fd--; )
335 if (anfds [fd].events) 504 if (anfds [fd].events)
336 { 505 {
337 close (fd);
338 fd_kill (EV_A_ fd); 506 fd_kill (EV_A_ fd);
339 return; 507 return;
340 } 508 }
341} 509}
342 510
511/* usually called after fork if method needs to re-arm all fds from scratch */
512static void
513fd_rearm_all (EV_P)
514{
515 int fd;
516
517 /* this should be highly optimised to not do anything but set a flag */
518 for (fd = 0; fd < anfdmax; ++fd)
519 if (anfds [fd].events)
520 {
521 anfds [fd].events = 0;
522 fd_change (EV_A_ fd);
523 }
524}
525
343/*****************************************************************************/ 526/*****************************************************************************/
344 527
345static void 528static void
346upheap (WT *heap, int k) 529upheap (WT *heap, int k)
347{ 530{
348 WT w = heap [k]; 531 WT w = heap [k];
349 532
350 while (k && heap [k >> 1]->at > w->at) 533 while (k && heap [k >> 1]->at > w->at)
351 { 534 {
352 heap [k] = heap [k >> 1]; 535 heap [k] = heap [k >> 1];
353 heap [k]->active = k + 1; 536 ((W)heap [k])->active = k + 1;
354 k >>= 1; 537 k >>= 1;
355 } 538 }
356 539
357 heap [k] = w; 540 heap [k] = w;
358 heap [k]->active = k + 1; 541 ((W)heap [k])->active = k + 1;
359 542
360} 543}
361 544
362static void 545static void
363downheap (WT *heap, int N, int k) 546downheap (WT *heap, int N, int k)
373 556
374 if (w->at <= heap [j]->at) 557 if (w->at <= heap [j]->at)
375 break; 558 break;
376 559
377 heap [k] = heap [j]; 560 heap [k] = heap [j];
378 heap [k]->active = k + 1; 561 ((W)heap [k])->active = k + 1;
379 k = j; 562 k = j;
380 } 563 }
381 564
382 heap [k] = w; 565 heap [k] = w;
383 heap [k]->active = k + 1; 566 ((W)heap [k])->active = k + 1;
567}
568
569inline void
570adjustheap (WT *heap, int N, int k)
571{
572 upheap (heap, k);
573 downheap (heap, N, k);
384} 574}
385 575
386/*****************************************************************************/ 576/*****************************************************************************/
387 577
388typedef struct 578typedef struct
389{ 579{
390 struct ev_watcher_list *head; 580 WL head;
391 sig_atomic_t volatile gotsig; 581 sig_atomic_t volatile gotsig;
392} ANSIG; 582} ANSIG;
393 583
394static ANSIG *signals; 584static ANSIG *signals;
395static int signalmax; 585static int signalmax;
396 586
397static int sigpipe [2]; 587static int sigpipe [2];
398static sig_atomic_t volatile gotsig; 588static sig_atomic_t volatile gotsig;
589static struct ev_io sigev;
399 590
400static void 591static void
401signals_init (ANSIG *base, int count) 592signals_init (ANSIG *base, int count)
402{ 593{
403 while (count--) 594 while (count--)
410} 601}
411 602
412static void 603static void
413sighandler (int signum) 604sighandler (int signum)
414{ 605{
606#if _WIN32
607 signal (signum, sighandler);
608#endif
609
415 signals [signum - 1].gotsig = 1; 610 signals [signum - 1].gotsig = 1;
416 611
417 if (!gotsig) 612 if (!gotsig)
418 { 613 {
419 int old_errno = errno; 614 int old_errno = errno;
421 write (sigpipe [1], &signum, 1); 616 write (sigpipe [1], &signum, 1);
422 errno = old_errno; 617 errno = old_errno;
423 } 618 }
424} 619}
425 620
621void
622ev_feed_signal_event (EV_P_ int signum)
623{
624 WL w;
625
626#if EV_MULTIPLICITY
627 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
628#endif
629
630 --signum;
631
632 if (signum < 0 || signum >= signalmax)
633 return;
634
635 signals [signum].gotsig = 0;
636
637 for (w = signals [signum].head; w; w = w->next)
638 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
639}
640
426static void 641static void
427sigcb (EV_P_ struct ev_io *iow, int revents) 642sigcb (EV_P_ struct ev_io *iow, int revents)
428{ 643{
429 struct ev_watcher_list *w;
430 int signum; 644 int signum;
431 645
432 read (sigpipe [0], &revents, 1); 646 read (sigpipe [0], &revents, 1);
433 gotsig = 0; 647 gotsig = 0;
434 648
435 for (signum = signalmax; signum--; ) 649 for (signum = signalmax; signum--; )
436 if (signals [signum].gotsig) 650 if (signals [signum].gotsig)
437 { 651 ev_feed_signal_event (EV_A_ signum + 1);
438 signals [signum].gotsig = 0; 652}
439 653
440 for (w = signals [signum].head; w; w = w->next) 654inline void
441 event (EV_A_ (W)w, EV_SIGNAL); 655fd_intern (int fd)
442 } 656{
657#ifdef _WIN32
658 int arg = 1;
659 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
660#else
661 fcntl (fd, F_SETFD, FD_CLOEXEC);
662 fcntl (fd, F_SETFL, O_NONBLOCK);
663#endif
443} 664}
444 665
445static void 666static void
446siginit (EV_P) 667siginit (EV_P)
447{ 668{
448#ifndef WIN32 669 fd_intern (sigpipe [0]);
449 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); 670 fd_intern (sigpipe [1]);
450 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
451
452 /* rather than sort out wether we really need nb, set it */
453 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
454 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
455#endif
456 671
457 ev_io_set (&sigev, sigpipe [0], EV_READ); 672 ev_io_set (&sigev, sigpipe [0], EV_READ);
458 ev_io_start (EV_A_ &sigev); 673 ev_io_start (EV_A_ &sigev);
459 ev_unref (EV_A); /* child watcher should not keep loop alive */ 674 ev_unref (EV_A); /* child watcher should not keep loop alive */
460} 675}
461 676
462/*****************************************************************************/ 677/*****************************************************************************/
463 678
679static struct ev_child *childs [PID_HASHSIZE];
680
464#ifndef WIN32 681#ifndef _WIN32
682
683static struct ev_signal childev;
465 684
466#ifndef WCONTINUED 685#ifndef WCONTINUED
467# define WCONTINUED 0 686# define WCONTINUED 0
468#endif 687#endif
469 688
473 struct ev_child *w; 692 struct ev_child *w;
474 693
475 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) 694 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
476 if (w->pid == pid || !w->pid) 695 if (w->pid == pid || !w->pid)
477 { 696 {
478 w->priority = sw->priority; /* need to do it *now* */ 697 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
479 w->rpid = pid; 698 w->rpid = pid;
480 w->rstatus = status; 699 w->rstatus = status;
481 event (EV_A_ (W)w, EV_CHILD); 700 ev_feed_event (EV_A_ (W)w, EV_CHILD);
482 } 701 }
483} 702}
484 703
485static void 704static void
486childcb (EV_P_ struct ev_signal *sw, int revents) 705childcb (EV_P_ struct ev_signal *sw, int revents)
488 int pid, status; 707 int pid, status;
489 708
490 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) 709 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
491 { 710 {
492 /* make sure we are called again until all childs have been reaped */ 711 /* make sure we are called again until all childs have been reaped */
493 event (EV_A_ (W)sw, EV_SIGNAL); 712 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
494 713
495 child_reap (EV_A_ sw, pid, pid, status); 714 child_reap (EV_A_ sw, pid, pid, status);
496 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ 715 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */
497 } 716 }
498} 717}
499 718
500#endif 719#endif
501 720
502/*****************************************************************************/ 721/*****************************************************************************/
503 722
723#if EV_USE_PORT
724# include "ev_port.c"
725#endif
504#if EV_USE_KQUEUE 726#if EV_USE_KQUEUE
505# include "ev_kqueue.c" 727# include "ev_kqueue.c"
506#endif 728#endif
507#if EV_USE_EPOLL 729#if EV_USE_EPOLL
508# include "ev_epoll.c" 730# include "ev_epoll.c"
509#endif 731#endif
510#if EV_USEV_POLL 732#if EV_USE_POLL
511# include "ev_poll.c" 733# include "ev_poll.c"
512#endif 734#endif
513#if EV_USE_SELECT 735#if EV_USE_SELECT
514# include "ev_select.c" 736# include "ev_select.c"
515#endif 737#endif
528 750
529/* return true if we are running with elevated privileges and should ignore env variables */ 751/* return true if we are running with elevated privileges and should ignore env variables */
530static int 752static int
531enable_secure (void) 753enable_secure (void)
532{ 754{
533#ifdef WIN32 755#ifdef _WIN32
534 return 0; 756 return 0;
535#else 757#else
536 return getuid () != geteuid () 758 return getuid () != geteuid ()
537 || getgid () != getegid (); 759 || getgid () != getegid ();
538#endif 760#endif
539} 761}
540 762
541int 763unsigned int
542ev_method (EV_P) 764ev_method (EV_P)
543{ 765{
544 return method; 766 return method;
545} 767}
546 768
547inline int 769static void
548loop_init (EV_P_ int methods) 770loop_init (EV_P_ unsigned int flags)
549{ 771{
550 if (!method) 772 if (!method)
551 { 773 {
552#if EV_USE_MONOTONIC 774#if EV_USE_MONOTONIC
553 { 775 {
555 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 777 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
556 have_monotonic = 1; 778 have_monotonic = 1;
557 } 779 }
558#endif 780#endif
559 781
560 rt_now = ev_time (); 782 ev_rt_now = ev_time ();
561 mn_now = get_clock (); 783 mn_now = get_clock ();
562 now_floor = mn_now; 784 now_floor = mn_now;
563 rtmn_diff = rt_now - mn_now; 785 rtmn_diff = ev_rt_now - mn_now;
564 786
565 if (pipe (sigpipe)) 787 if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
566 return 0; 788 flags = atoi (getenv ("LIBEV_FLAGS"));
567 789
568 if (methods == EVMETHOD_AUTO) 790 if (!(flags & 0x0000ffff))
569 if (!enable_secure () && getenv ("LIBmethodS")) 791 flags |= 0x0000ffff;
570 methods = atoi (getenv ("LIBmethodS"));
571 else
572 methods = EVMETHOD_ANY;
573 792
574 method = 0; 793 method = 0;
794#if EV_USE_PORT
795 if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags);
796#endif
575#if EV_USE_KQUEUE 797#if EV_USE_KQUEUE
576 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 798 if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
577#endif 799#endif
578#if EV_USE_EPOLL 800#if EV_USE_EPOLL
579 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 801 if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
580#endif 802#endif
581#if EV_USEV_POLL 803#if EV_USE_POLL
582 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 804 if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
583#endif 805#endif
584#if EV_USE_SELECT 806#if EV_USE_SELECT
585 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 807 if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
586#endif 808#endif
587 809
810 ev_init (&sigev, sigcb);
811 ev_set_priority (&sigev, EV_MAXPRI);
812 }
813}
814
815void
816loop_destroy (EV_P)
817{
818 int i;
819
820#if EV_USE_PORT
821 if (method == EVMETHOD_PORT ) port_destroy (EV_A);
822#endif
823#if EV_USE_KQUEUE
824 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
825#endif
826#if EV_USE_EPOLL
827 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
828#endif
829#if EV_USE_POLL
830 if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
831#endif
832#if EV_USE_SELECT
833 if (method == EVMETHOD_SELECT) select_destroy (EV_A);
834#endif
835
836 for (i = NUMPRI; i--; )
837 array_free (pending, [i]);
838
839 /* have to use the microsoft-never-gets-it-right macro */
840 array_free (fdchange, EMPTY0);
841 array_free (timer, EMPTY0);
842#if EV_PERIODICS
843 array_free (periodic, EMPTY0);
844#endif
845 array_free (idle, EMPTY0);
846 array_free (prepare, EMPTY0);
847 array_free (check, EMPTY0);
848
849 method = 0;
850}
851
852static void
853loop_fork (EV_P)
854{
855#if EV_USE_PORT
856 if (method == EVMETHOD_PORT ) port_fork (EV_A);
857#endif
858#if EV_USE_KQUEUE
859 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
860#endif
861#if EV_USE_EPOLL
862 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
863#endif
864
865 if (ev_is_active (&sigev))
866 {
867 /* default loop */
868
869 ev_ref (EV_A);
870 ev_io_stop (EV_A_ &sigev);
871 close (sigpipe [0]);
872 close (sigpipe [1]);
873
874 while (pipe (sigpipe))
875 syserr ("(libev) error creating pipe");
876
877 siginit (EV_A);
878 }
879
880 postfork = 0;
881}
882
883#if EV_MULTIPLICITY
884struct ev_loop *
885ev_loop_new (unsigned int flags)
886{
887 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
888
889 memset (loop, 0, sizeof (struct ev_loop));
890
891 loop_init (EV_A_ flags);
892
893 if (ev_method (EV_A))
894 return loop;
895
896 return 0;
897}
898
899void
900ev_loop_destroy (EV_P)
901{
902 loop_destroy (EV_A);
903 ev_free (loop);
904}
905
906void
907ev_loop_fork (EV_P)
908{
909 postfork = 1;
910}
911
912#endif
913
914#if EV_MULTIPLICITY
915struct ev_loop *
916ev_default_loop_ (unsigned int flags)
917#else
918int
919ev_default_loop (unsigned int flags)
920#endif
921{
922 if (sigpipe [0] == sigpipe [1])
923 if (pipe (sigpipe))
924 return 0;
925
926 if (!ev_default_loop_ptr)
927 {
928#if EV_MULTIPLICITY
929 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
930#else
931 ev_default_loop_ptr = 1;
932#endif
933
934 loop_init (EV_A_ flags);
935
588 if (method) 936 if (ev_method (EV_A))
589 { 937 {
590 ev_watcher_init (&sigev, sigcb);
591 ev_set_priority (&sigev, EV_MAXPRI);
592 siginit (EV_A); 938 siginit (EV_A);
593 939
594#ifndef WIN32 940#ifndef _WIN32
595 ev_signal_init (&childev, childcb, SIGCHLD); 941 ev_signal_init (&childev, childcb, SIGCHLD);
596 ev_set_priority (&childev, EV_MAXPRI); 942 ev_set_priority (&childev, EV_MAXPRI);
597 ev_signal_start (EV_A_ &childev); 943 ev_signal_start (EV_A_ &childev);
598 ev_unref (EV_A); /* child watcher should not keep loop alive */ 944 ev_unref (EV_A); /* child watcher should not keep loop alive */
599#endif 945#endif
600 } 946 }
947 else
948 ev_default_loop_ptr = 0;
601 } 949 }
602 950
603 return method; 951 return ev_default_loop_ptr;
604} 952}
605 953
954void
955ev_default_destroy (void)
956{
606#if EV_MULTIPLICITY 957#if EV_MULTIPLICITY
958 struct ev_loop *loop = ev_default_loop_ptr;
959#endif
607 960
608struct ev_loop * 961#ifndef _WIN32
609ev_loop_new (int methods) 962 ev_ref (EV_A); /* child watcher */
610{ 963 ev_signal_stop (EV_A_ &childev);
611 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); 964#endif
612 965
613 if (loop_init (EV_A_ methods)) 966 ev_ref (EV_A); /* signal watcher */
967 ev_io_stop (EV_A_ &sigev);
968
969 close (sigpipe [0]); sigpipe [0] = 0;
970 close (sigpipe [1]); sigpipe [1] = 0;
971
972 loop_destroy (EV_A);
973}
974
975void
976ev_default_fork (void)
977{
978#if EV_MULTIPLICITY
979 struct ev_loop *loop = ev_default_loop_ptr;
980#endif
981
982 if (method)
983 postfork = 1;
984}
985
986/*****************************************************************************/
987
988static int
989any_pending (EV_P)
990{
991 int pri;
992
993 for (pri = NUMPRI; pri--; )
994 if (pendingcnt [pri])
614 return loop; 995 return 1;
615
616 ev_loop_delete (loop);
617 996
618 return 0; 997 return 0;
619} 998}
620
621void
622ev_loop_delete (EV_P)
623{
624 /*TODO*/
625 free (loop);
626}
627
628#else
629
630int
631ev_init (int methods)
632{
633 return loop_init (methods);
634}
635
636#endif
637
638/*****************************************************************************/
639
640void
641ev_fork_prepare (void)
642{
643 /* nop */
644}
645
646void
647ev_fork_parent (void)
648{
649 /* nop */
650}
651
652void
653ev_fork_child (void)
654{
655 /*TODO*/
656#if !EV_MULTIPLICITY
657#if EV_USE_EPOLL
658 if (method == EVMETHOD_EPOLL)
659 epoll_postfork_child (EV_A);
660#endif
661
662 ev_io_stop (EV_A_ &sigev);
663 close (sigpipe [0]);
664 close (sigpipe [1]);
665 pipe (sigpipe);
666 siginit (EV_A);
667#endif
668}
669
670/*****************************************************************************/
671 999
672static void 1000static void
673call_pending (EV_P) 1001call_pending (EV_P)
674{ 1002{
675 int pri; 1003 int pri;
680 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1008 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
681 1009
682 if (p->w) 1010 if (p->w)
683 { 1011 {
684 p->w->pending = 0; 1012 p->w->pending = 0;
685 p->w->cb (EV_A_ p->w, p->events); 1013 EV_CB_INVOKE (p->w, p->events);
686 } 1014 }
687 } 1015 }
688} 1016}
689 1017
690static void 1018static void
691timers_reify (EV_P) 1019timers_reify (EV_P)
692{ 1020{
693 while (timercnt && timers [0]->at <= mn_now) 1021 while (timercnt && ((WT)timers [0])->at <= mn_now)
694 { 1022 {
695 struct ev_timer *w = timers [0]; 1023 struct ev_timer *w = timers [0];
1024
1025 assert (("inactive timer on timer heap detected", ev_is_active (w)));
696 1026
697 /* first reschedule or stop timer */ 1027 /* first reschedule or stop timer */
698 if (w->repeat) 1028 if (w->repeat)
699 { 1029 {
700 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 1030 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1031
701 w->at = mn_now + w->repeat; 1032 ((WT)w)->at += w->repeat;
1033 if (((WT)w)->at < mn_now)
1034 ((WT)w)->at = mn_now;
1035
702 downheap ((WT *)timers, timercnt, 0); 1036 downheap ((WT *)timers, timercnt, 0);
703 } 1037 }
704 else 1038 else
705 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1039 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
706 1040
707 event (EV_A_ (W)w, EV_TIMEOUT); 1041 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
708 } 1042 }
709} 1043}
710 1044
1045#if EV_PERIODICS
711static void 1046static void
712periodics_reify (EV_P) 1047periodics_reify (EV_P)
713{ 1048{
714 while (periodiccnt && periodics [0]->at <= rt_now) 1049 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
715 { 1050 {
716 struct ev_periodic *w = periodics [0]; 1051 struct ev_periodic *w = periodics [0];
717 1052
1053 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1054
718 /* first reschedule or stop timer */ 1055 /* first reschedule or stop timer */
719 if (w->interval) 1056 if (w->reschedule_cb)
720 { 1057 {
1058 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1059 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1060 downheap ((WT *)periodics, periodiccnt, 0);
1061 }
1062 else if (w->interval)
1063 {
721 w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; 1064 ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
722 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); 1065 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
723 downheap ((WT *)periodics, periodiccnt, 0); 1066 downheap ((WT *)periodics, periodiccnt, 0);
724 } 1067 }
725 else 1068 else
726 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1069 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
727 1070
728 event (EV_A_ (W)w, EV_PERIODIC); 1071 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
729 } 1072 }
730} 1073}
731 1074
732static void 1075static void
733periodics_reschedule (EV_P) 1076periodics_reschedule (EV_P)
737 /* adjust periodics after time jump */ 1080 /* adjust periodics after time jump */
738 for (i = 0; i < periodiccnt; ++i) 1081 for (i = 0; i < periodiccnt; ++i)
739 { 1082 {
740 struct ev_periodic *w = periodics [i]; 1083 struct ev_periodic *w = periodics [i];
741 1084
1085 if (w->reschedule_cb)
1086 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
742 if (w->interval) 1087 else if (w->interval)
743 {
744 ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; 1088 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
745
746 if (fabs (diff) >= 1e-4)
747 {
748 ev_periodic_stop (EV_A_ w);
749 ev_periodic_start (EV_A_ w);
750
751 i = 0; /* restart loop, inefficient, but time jumps should be rare */
752 }
753 }
754 } 1089 }
1090
1091 /* now rebuild the heap */
1092 for (i = periodiccnt >> 1; i--; )
1093 downheap ((WT *)periodics, periodiccnt, i);
755} 1094}
1095#endif
756 1096
757inline int 1097inline int
758time_update_monotonic (EV_P) 1098time_update_monotonic (EV_P)
759{ 1099{
760 mn_now = get_clock (); 1100 mn_now = get_clock ();
761 1101
762 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 1102 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
763 { 1103 {
764 rt_now = rtmn_diff + mn_now; 1104 ev_rt_now = rtmn_diff + mn_now;
765 return 0; 1105 return 0;
766 } 1106 }
767 else 1107 else
768 { 1108 {
769 now_floor = mn_now; 1109 now_floor = mn_now;
770 rt_now = ev_time (); 1110 ev_rt_now = ev_time ();
771 return 1; 1111 return 1;
772 } 1112 }
773} 1113}
774 1114
775static void 1115static void
784 { 1124 {
785 ev_tstamp odiff = rtmn_diff; 1125 ev_tstamp odiff = rtmn_diff;
786 1126
787 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 1127 for (i = 4; --i; ) /* loop a few times, before making important decisions */
788 { 1128 {
789 rtmn_diff = rt_now - mn_now; 1129 rtmn_diff = ev_rt_now - mn_now;
790 1130
791 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1131 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
792 return; /* all is well */ 1132 return; /* all is well */
793 1133
794 rt_now = ev_time (); 1134 ev_rt_now = ev_time ();
795 mn_now = get_clock (); 1135 mn_now = get_clock ();
796 now_floor = mn_now; 1136 now_floor = mn_now;
797 } 1137 }
798 1138
1139# if EV_PERIODICS
799 periodics_reschedule (EV_A); 1140 periodics_reschedule (EV_A);
1141# endif
800 /* no timer adjustment, as the monotonic clock doesn't jump */ 1142 /* no timer adjustment, as the monotonic clock doesn't jump */
801 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1143 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
802 } 1144 }
803 } 1145 }
804 else 1146 else
805#endif 1147#endif
806 { 1148 {
807 rt_now = ev_time (); 1149 ev_rt_now = ev_time ();
808 1150
809 if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1151 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
810 { 1152 {
1153#if EV_PERIODICS
811 periodics_reschedule (EV_A); 1154 periodics_reschedule (EV_A);
1155#endif
812 1156
813 /* adjust timers. this is easy, as the offset is the same for all */ 1157 /* adjust timers. this is easy, as the offset is the same for all */
814 for (i = 0; i < timercnt; ++i) 1158 for (i = 0; i < timercnt; ++i)
815 timers [i]->at += rt_now - mn_now; 1159 ((WT)timers [i])->at += ev_rt_now - mn_now;
816 } 1160 }
817 1161
818 mn_now = rt_now; 1162 mn_now = ev_rt_now;
819 } 1163 }
820} 1164}
821 1165
822void 1166void
823ev_ref (EV_P) 1167ev_ref (EV_P)
837ev_loop (EV_P_ int flags) 1181ev_loop (EV_P_ int flags)
838{ 1182{
839 double block; 1183 double block;
840 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; 1184 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
841 1185
842 do 1186 while (activecnt)
843 { 1187 {
844 /* queue check watchers (and execute them) */ 1188 /* queue check watchers (and execute them) */
845 if (expect_false (preparecnt)) 1189 if (expect_false (preparecnt))
846 { 1190 {
847 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1191 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
848 call_pending (EV_A); 1192 call_pending (EV_A);
849 } 1193 }
850 1194
1195 /* we might have forked, so reify kernel state if necessary */
1196 if (expect_false (postfork))
1197 loop_fork (EV_A);
1198
851 /* update fd-related kernel structures */ 1199 /* update fd-related kernel structures */
852 fd_reify (EV_A); 1200 fd_reify (EV_A);
853 1201
854 /* calculate blocking time */ 1202 /* calculate blocking time */
855 1203
856 /* we only need this for !monotonic clockor timers, but as we basically 1204 /* we only need this for !monotonic clock or timers, but as we basically
857 always have timers, we just calculate it always */ 1205 always have timers, we just calculate it always */
858#if EV_USE_MONOTONIC 1206#if EV_USE_MONOTONIC
859 if (expect_true (have_monotonic)) 1207 if (expect_true (have_monotonic))
860 time_update_monotonic (EV_A); 1208 time_update_monotonic (EV_A);
861 else 1209 else
862#endif 1210#endif
863 { 1211 {
864 rt_now = ev_time (); 1212 ev_rt_now = ev_time ();
865 mn_now = rt_now; 1213 mn_now = ev_rt_now;
866 } 1214 }
867 1215
868 if (flags & EVLOOP_NONBLOCK || idlecnt) 1216 if (flags & EVLOOP_NONBLOCK || idlecnt)
869 block = 0.; 1217 block = 0.;
870 else 1218 else
871 { 1219 {
872 block = MAX_BLOCKTIME; 1220 block = MAX_BLOCKTIME;
873 1221
874 if (timercnt) 1222 if (timercnt)
875 { 1223 {
876 ev_tstamp to = timers [0]->at - mn_now + method_fudge; 1224 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
877 if (block > to) block = to; 1225 if (block > to) block = to;
878 } 1226 }
879 1227
1228#if EV_PERIODICS
880 if (periodiccnt) 1229 if (periodiccnt)
881 { 1230 {
882 ev_tstamp to = periodics [0]->at - rt_now + method_fudge; 1231 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge;
883 if (block > to) block = to; 1232 if (block > to) block = to;
884 } 1233 }
1234#endif
885 1235
886 if (block < 0.) block = 0.; 1236 if (block < 0.) block = 0.;
887 } 1237 }
888 1238
889 method_poll (EV_A_ block); 1239 method_poll (EV_A_ block);
890 1240
891 /* update rt_now, do magic */ 1241 /* update ev_rt_now, do magic */
892 time_update (EV_A); 1242 time_update (EV_A);
893 1243
894 /* queue pending timers and reschedule them */ 1244 /* queue pending timers and reschedule them */
895 timers_reify (EV_A); /* relative timers called last */ 1245 timers_reify (EV_A); /* relative timers called last */
1246#if EV_PERIODICS
896 periodics_reify (EV_A); /* absolute timers called first */ 1247 periodics_reify (EV_A); /* absolute timers called first */
1248#endif
897 1249
898 /* queue idle watchers unless io or timers are pending */ 1250 /* queue idle watchers unless io or timers are pending */
899 if (!pendingcnt) 1251 if (idlecnt && !any_pending (EV_A))
900 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1252 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE);
901 1253
902 /* queue check watchers, to be executed first */ 1254 /* queue check watchers, to be executed first */
903 if (checkcnt) 1255 if (checkcnt)
904 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1256 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
905 1257
906 call_pending (EV_A); 1258 call_pending (EV_A);
1259
1260 if (loop_done)
1261 break;
907 } 1262 }
908 while (activecnt && !loop_done);
909 1263
910 if (loop_done != 2) 1264 if (loop_done != 2)
911 loop_done = 0; 1265 loop_done = 0;
912} 1266}
913 1267
979 return; 1333 return;
980 1334
981 assert (("ev_io_start called with negative fd", fd >= 0)); 1335 assert (("ev_io_start called with negative fd", fd >= 0));
982 1336
983 ev_start (EV_A_ (W)w, 1); 1337 ev_start (EV_A_ (W)w, 1);
984 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 1338 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
985 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1339 wlist_add ((WL *)&anfds[fd].head, (WL)w);
986 1340
987 fd_change (EV_A_ fd); 1341 fd_change (EV_A_ fd);
988} 1342}
989 1343
992{ 1346{
993 ev_clear_pending (EV_A_ (W)w); 1347 ev_clear_pending (EV_A_ (W)w);
994 if (!ev_is_active (w)) 1348 if (!ev_is_active (w))
995 return; 1349 return;
996 1350
1351 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1352
997 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1353 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
998 ev_stop (EV_A_ (W)w); 1354 ev_stop (EV_A_ (W)w);
999 1355
1000 fd_change (EV_A_ w->fd); 1356 fd_change (EV_A_ w->fd);
1001} 1357}
1004ev_timer_start (EV_P_ struct ev_timer *w) 1360ev_timer_start (EV_P_ struct ev_timer *w)
1005{ 1361{
1006 if (ev_is_active (w)) 1362 if (ev_is_active (w))
1007 return; 1363 return;
1008 1364
1009 w->at += mn_now; 1365 ((WT)w)->at += mn_now;
1010 1366
1011 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1367 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1012 1368
1013 ev_start (EV_A_ (W)w, ++timercnt); 1369 ev_start (EV_A_ (W)w, ++timercnt);
1014 array_needsize (timers, timermax, timercnt, ); 1370 array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1015 timers [timercnt - 1] = w; 1371 timers [timercnt - 1] = w;
1016 upheap ((WT *)timers, timercnt - 1); 1372 upheap ((WT *)timers, timercnt - 1);
1373
1374 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1017} 1375}
1018 1376
1019void 1377void
1020ev_timer_stop (EV_P_ struct ev_timer *w) 1378ev_timer_stop (EV_P_ struct ev_timer *w)
1021{ 1379{
1022 ev_clear_pending (EV_A_ (W)w); 1380 ev_clear_pending (EV_A_ (W)w);
1023 if (!ev_is_active (w)) 1381 if (!ev_is_active (w))
1024 return; 1382 return;
1025 1383
1384 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1385
1026 if (w->active < timercnt--) 1386 if (((W)w)->active < timercnt--)
1027 { 1387 {
1028 timers [w->active - 1] = timers [timercnt]; 1388 timers [((W)w)->active - 1] = timers [timercnt];
1029 downheap ((WT *)timers, timercnt, w->active - 1); 1389 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1030 } 1390 }
1031 1391
1032 w->at = w->repeat; 1392 ((WT)w)->at -= mn_now;
1033 1393
1034 ev_stop (EV_A_ (W)w); 1394 ev_stop (EV_A_ (W)w);
1035} 1395}
1036 1396
1037void 1397void
1039{ 1399{
1040 if (ev_is_active (w)) 1400 if (ev_is_active (w))
1041 { 1401 {
1042 if (w->repeat) 1402 if (w->repeat)
1043 { 1403 {
1044 w->at = mn_now + w->repeat; 1404 ((WT)w)->at = mn_now + w->repeat;
1045 downheap ((WT *)timers, timercnt, w->active - 1); 1405 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1046 } 1406 }
1047 else 1407 else
1048 ev_timer_stop (EV_A_ w); 1408 ev_timer_stop (EV_A_ w);
1049 } 1409 }
1050 else if (w->repeat) 1410 else if (w->repeat)
1411 {
1412 w->at = w->repeat;
1051 ev_timer_start (EV_A_ w); 1413 ev_timer_start (EV_A_ w);
1414 }
1052} 1415}
1053 1416
1417#if EV_PERIODICS
1054void 1418void
1055ev_periodic_start (EV_P_ struct ev_periodic *w) 1419ev_periodic_start (EV_P_ struct ev_periodic *w)
1056{ 1420{
1057 if (ev_is_active (w)) 1421 if (ev_is_active (w))
1058 return; 1422 return;
1059 1423
1424 if (w->reschedule_cb)
1425 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1426 else if (w->interval)
1427 {
1060 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1428 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1061
1062 /* this formula differs from the one in periodic_reify because we do not always round up */ 1429 /* this formula differs from the one in periodic_reify because we do not always round up */
1063 if (w->interval)
1064 w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; 1430 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1431 }
1065 1432
1066 ev_start (EV_A_ (W)w, ++periodiccnt); 1433 ev_start (EV_A_ (W)w, ++periodiccnt);
1067 array_needsize (periodics, periodicmax, periodiccnt, ); 1434 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1068 periodics [periodiccnt - 1] = w; 1435 periodics [periodiccnt - 1] = w;
1069 upheap ((WT *)periodics, periodiccnt - 1); 1436 upheap ((WT *)periodics, periodiccnt - 1);
1437
1438 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1070} 1439}
1071 1440
1072void 1441void
1073ev_periodic_stop (EV_P_ struct ev_periodic *w) 1442ev_periodic_stop (EV_P_ struct ev_periodic *w)
1074{ 1443{
1075 ev_clear_pending (EV_A_ (W)w); 1444 ev_clear_pending (EV_A_ (W)w);
1076 if (!ev_is_active (w)) 1445 if (!ev_is_active (w))
1077 return; 1446 return;
1078 1447
1448 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1449
1079 if (w->active < periodiccnt--) 1450 if (((W)w)->active < periodiccnt--)
1080 { 1451 {
1081 periodics [w->active - 1] = periodics [periodiccnt]; 1452 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1082 downheap ((WT *)periodics, periodiccnt, w->active - 1); 1453 adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1083 } 1454 }
1084 1455
1456 ev_stop (EV_A_ (W)w);
1457}
1458
1459void
1460ev_periodic_again (EV_P_ struct ev_periodic *w)
1461{
1462 /* TODO: use adjustheap and recalculation */
1463 ev_periodic_stop (EV_A_ w);
1464 ev_periodic_start (EV_A_ w);
1465}
1466#endif
1467
1468void
1469ev_idle_start (EV_P_ struct ev_idle *w)
1470{
1471 if (ev_is_active (w))
1472 return;
1473
1474 ev_start (EV_A_ (W)w, ++idlecnt);
1475 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1476 idles [idlecnt - 1] = w;
1477}
1478
1479void
1480ev_idle_stop (EV_P_ struct ev_idle *w)
1481{
1482 ev_clear_pending (EV_A_ (W)w);
1483 if (!ev_is_active (w))
1484 return;
1485
1486 idles [((W)w)->active - 1] = idles [--idlecnt];
1487 ev_stop (EV_A_ (W)w);
1488}
1489
1490void
1491ev_prepare_start (EV_P_ struct ev_prepare *w)
1492{
1493 if (ev_is_active (w))
1494 return;
1495
1496 ev_start (EV_A_ (W)w, ++preparecnt);
1497 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1498 prepares [preparecnt - 1] = w;
1499}
1500
1501void
1502ev_prepare_stop (EV_P_ struct ev_prepare *w)
1503{
1504 ev_clear_pending (EV_A_ (W)w);
1505 if (!ev_is_active (w))
1506 return;
1507
1508 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1509 ev_stop (EV_A_ (W)w);
1510}
1511
1512void
1513ev_check_start (EV_P_ struct ev_check *w)
1514{
1515 if (ev_is_active (w))
1516 return;
1517
1518 ev_start (EV_A_ (W)w, ++checkcnt);
1519 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1520 checks [checkcnt - 1] = w;
1521}
1522
1523void
1524ev_check_stop (EV_P_ struct ev_check *w)
1525{
1526 ev_clear_pending (EV_A_ (W)w);
1527 if (!ev_is_active (w))
1528 return;
1529
1530 checks [((W)w)->active - 1] = checks [--checkcnt];
1085 ev_stop (EV_A_ (W)w); 1531 ev_stop (EV_A_ (W)w);
1086} 1532}
1087 1533
1088#ifndef SA_RESTART 1534#ifndef SA_RESTART
1089# define SA_RESTART 0 1535# define SA_RESTART 0
1090#endif 1536#endif
1091 1537
1092void 1538void
1093ev_signal_start (EV_P_ struct ev_signal *w) 1539ev_signal_start (EV_P_ struct ev_signal *w)
1094{ 1540{
1541#if EV_MULTIPLICITY
1542 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1543#endif
1095 if (ev_is_active (w)) 1544 if (ev_is_active (w))
1096 return; 1545 return;
1097 1546
1098 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1547 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1099 1548
1100 ev_start (EV_A_ (W)w, 1); 1549 ev_start (EV_A_ (W)w, 1);
1101 array_needsize (signals, signalmax, w->signum, signals_init); 1550 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1102 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1551 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1103 1552
1104 if (!w->next) 1553 if (!((WL)w)->next)
1105 { 1554 {
1555#if _WIN32
1556 signal (w->signum, sighandler);
1557#else
1106 struct sigaction sa; 1558 struct sigaction sa;
1107 sa.sa_handler = sighandler; 1559 sa.sa_handler = sighandler;
1108 sigfillset (&sa.sa_mask); 1560 sigfillset (&sa.sa_mask);
1109 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 1561 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1110 sigaction (w->signum, &sa, 0); 1562 sigaction (w->signum, &sa, 0);
1563#endif
1111 } 1564 }
1112} 1565}
1113 1566
1114void 1567void
1115ev_signal_stop (EV_P_ struct ev_signal *w) 1568ev_signal_stop (EV_P_ struct ev_signal *w)
1124 if (!signals [w->signum - 1].head) 1577 if (!signals [w->signum - 1].head)
1125 signal (w->signum, SIG_DFL); 1578 signal (w->signum, SIG_DFL);
1126} 1579}
1127 1580
1128void 1581void
1129ev_idle_start (EV_P_ struct ev_idle *w)
1130{
1131 if (ev_is_active (w))
1132 return;
1133
1134 ev_start (EV_A_ (W)w, ++idlecnt);
1135 array_needsize (idles, idlemax, idlecnt, );
1136 idles [idlecnt - 1] = w;
1137}
1138
1139void
1140ev_idle_stop (EV_P_ struct ev_idle *w)
1141{
1142 ev_clear_pending (EV_A_ (W)w);
1143 if (ev_is_active (w))
1144 return;
1145
1146 idles [w->active - 1] = idles [--idlecnt];
1147 ev_stop (EV_A_ (W)w);
1148}
1149
1150void
1151ev_prepare_start (EV_P_ struct ev_prepare *w)
1152{
1153 if (ev_is_active (w))
1154 return;
1155
1156 ev_start (EV_A_ (W)w, ++preparecnt);
1157 array_needsize (prepares, preparemax, preparecnt, );
1158 prepares [preparecnt - 1] = w;
1159}
1160
1161void
1162ev_prepare_stop (EV_P_ struct ev_prepare *w)
1163{
1164 ev_clear_pending (EV_A_ (W)w);
1165 if (ev_is_active (w))
1166 return;
1167
1168 prepares [w->active - 1] = prepares [--preparecnt];
1169 ev_stop (EV_A_ (W)w);
1170}
1171
1172void
1173ev_check_start (EV_P_ struct ev_check *w)
1174{
1175 if (ev_is_active (w))
1176 return;
1177
1178 ev_start (EV_A_ (W)w, ++checkcnt);
1179 array_needsize (checks, checkmax, checkcnt, );
1180 checks [checkcnt - 1] = w;
1181}
1182
1183void
1184ev_check_stop (EV_P_ struct ev_check *w)
1185{
1186 ev_clear_pending (EV_A_ (W)w);
1187 if (ev_is_active (w))
1188 return;
1189
1190 checks [w->active - 1] = checks [--checkcnt];
1191 ev_stop (EV_A_ (W)w);
1192}
1193
1194void
1195ev_child_start (EV_P_ struct ev_child *w) 1582ev_child_start (EV_P_ struct ev_child *w)
1196{ 1583{
1584#if EV_MULTIPLICITY
1585 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1586#endif
1197 if (ev_is_active (w)) 1587 if (ev_is_active (w))
1198 return; 1588 return;
1199 1589
1200 ev_start (EV_A_ (W)w, 1); 1590 ev_start (EV_A_ (W)w, 1);
1201 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1591 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1203 1593
1204void 1594void
1205ev_child_stop (EV_P_ struct ev_child *w) 1595ev_child_stop (EV_P_ struct ev_child *w)
1206{ 1596{
1207 ev_clear_pending (EV_A_ (W)w); 1597 ev_clear_pending (EV_A_ (W)w);
1208 if (ev_is_active (w)) 1598 if (!ev_is_active (w))
1209 return; 1599 return;
1210 1600
1211 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1601 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1212 ev_stop (EV_A_ (W)w); 1602 ev_stop (EV_A_ (W)w);
1213} 1603}
1228 void (*cb)(int revents, void *arg) = once->cb; 1618 void (*cb)(int revents, void *arg) = once->cb;
1229 void *arg = once->arg; 1619 void *arg = once->arg;
1230 1620
1231 ev_io_stop (EV_A_ &once->io); 1621 ev_io_stop (EV_A_ &once->io);
1232 ev_timer_stop (EV_A_ &once->to); 1622 ev_timer_stop (EV_A_ &once->to);
1233 free (once); 1623 ev_free (once);
1234 1624
1235 cb (revents, arg); 1625 cb (revents, arg);
1236} 1626}
1237 1627
1238static void 1628static void
1248} 1638}
1249 1639
1250void 1640void
1251ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 1641ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
1252{ 1642{
1253 struct ev_once *once = malloc (sizeof (struct ev_once)); 1643 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
1254 1644
1255 if (!once) 1645 if (!once)
1256 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 1646 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
1257 else 1647 else
1258 { 1648 {
1259 once->cb = cb; 1649 once->cb = cb;
1260 once->arg = arg; 1650 once->arg = arg;
1261 1651
1262 ev_watcher_init (&once->io, once_cb_io); 1652 ev_init (&once->io, once_cb_io);
1263 if (fd >= 0) 1653 if (fd >= 0)
1264 { 1654 {
1265 ev_io_set (&once->io, fd, events); 1655 ev_io_set (&once->io, fd, events);
1266 ev_io_start (EV_A_ &once->io); 1656 ev_io_start (EV_A_ &once->io);
1267 } 1657 }
1268 1658
1269 ev_watcher_init (&once->to, once_cb_to); 1659 ev_init (&once->to, once_cb_to);
1270 if (timeout >= 0.) 1660 if (timeout >= 0.)
1271 { 1661 {
1272 ev_timer_set (&once->to, timeout, 0.); 1662 ev_timer_set (&once->to, timeout, 0.);
1273 ev_timer_start (EV_A_ &once->to); 1663 ev_timer_start (EV_A_ &once->to);
1274 } 1664 }
1275 } 1665 }
1276} 1666}
1277 1667
1278/*****************************************************************************/ 1668#ifdef __cplusplus
1279
1280#if 0
1281
1282struct ev_io wio;
1283
1284static void
1285sin_cb (struct ev_io *w, int revents)
1286{
1287 fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1288} 1669}
1289
1290static void
1291ocb (struct ev_timer *w, int revents)
1292{
1293 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1294 ev_timer_stop (w);
1295 ev_timer_start (w);
1296}
1297
1298static void
1299scb (struct ev_signal *w, int revents)
1300{
1301 fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1302 ev_io_stop (&wio);
1303 ev_io_start (&wio);
1304}
1305
1306static void
1307gcb (struct ev_signal *w, int revents)
1308{
1309 fprintf (stderr, "generic %x\n", revents);
1310
1311}
1312
1313int main (void)
1314{
1315 ev_init (0);
1316
1317 ev_io_init (&wio, sin_cb, 0, EV_READ);
1318 ev_io_start (&wio);
1319
1320 struct ev_timer t[10000];
1321
1322#if 0
1323 int i;
1324 for (i = 0; i < 10000; ++i)
1325 {
1326 struct ev_timer *w = t + i;
1327 ev_watcher_init (w, ocb, i);
1328 ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1329 ev_timer_start (w);
1330 if (drand48 () < 0.5)
1331 ev_timer_stop (w);
1332 }
1333#endif 1670#endif
1334 1671
1335 struct ev_timer t1;
1336 ev_timer_init (&t1, ocb, 5, 10);
1337 ev_timer_start (&t1);
1338
1339 struct ev_signal sig;
1340 ev_signal_init (&sig, scb, SIGQUIT);
1341 ev_signal_start (&sig);
1342
1343 struct ev_check cw;
1344 ev_check_init (&cw, gcb);
1345 ev_check_start (&cw);
1346
1347 struct ev_idle iw;
1348 ev_idle_init (&iw, gcb);
1349 ev_idle_start (&iw);
1350
1351 ev_loop (0);
1352
1353 return 0;
1354}
1355
1356#endif
1357
1358
1359
1360

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