… | |
… | |
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 |
|
|
33 | extern "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) && !defined (__APPLE__) |
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_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) && !defined (__APPLE__) |
52 | # define EV_USE_KQUEUE 1 |
61 | # define EV_USE_KQUEUE 1 |
53 | # endif |
62 | # endif |
54 | |
63 | |
55 | #endif |
64 | #endif |
56 | |
65 | |
… | |
… | |
66 | #include <sys/types.h> |
75 | #include <sys/types.h> |
67 | #include <time.h> |
76 | #include <time.h> |
68 | |
77 | |
69 | #include <signal.h> |
78 | #include <signal.h> |
70 | |
79 | |
71 | #ifndef WIN32 |
80 | #ifndef _WIN32 |
72 | # include <unistd.h> |
81 | # include <unistd.h> |
73 | # include <sys/time.h> |
82 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
83 | # include <sys/wait.h> |
|
|
84 | #else |
|
|
85 | # define WIN32_LEAN_AND_MEAN |
|
|
86 | # include <windows.h> |
|
|
87 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
88 | # define EV_SELECT_IS_WINSOCKET 1 |
75 | #endif |
89 | # endif |
|
|
90 | #endif |
|
|
91 | |
76 | /**/ |
92 | /**/ |
77 | |
93 | |
78 | #ifndef EV_USE_MONOTONIC |
94 | #ifndef EV_USE_MONOTONIC |
79 | # define EV_USE_MONOTONIC 1 |
95 | # define EV_USE_MONOTONIC 1 |
80 | #endif |
96 | #endif |
81 | |
97 | |
82 | #ifndef EV_USE_SELECT |
98 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
99 | # define EV_USE_SELECT 1 |
|
|
100 | # define EV_SELECT_USE_FD_SET 1 |
84 | #endif |
101 | #endif |
85 | |
102 | |
86 | #ifndef EV_USE_POLL |
103 | #ifndef EV_USE_POLL |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
104 | # ifdef _WIN32 |
|
|
105 | # define EV_USE_POLL 0 |
|
|
106 | # else |
|
|
107 | # define EV_USE_POLL 1 |
|
|
108 | # endif |
88 | #endif |
109 | #endif |
89 | |
110 | |
90 | #ifndef EV_USE_EPOLL |
111 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
112 | # define EV_USE_EPOLL 0 |
92 | #endif |
113 | #endif |
93 | |
114 | |
94 | #ifndef EV_USE_KQUEUE |
115 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
116 | # define EV_USE_KQUEUE 0 |
96 | #endif |
|
|
97 | |
|
|
98 | #ifndef EV_USE_WIN32 |
|
|
99 | # ifdef WIN32 |
|
|
100 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
101 | # undef EV_USE_SELECT |
|
|
102 | # define EV_USE_SELECT 1 |
|
|
103 | # else |
|
|
104 | # define EV_USE_WIN32 0 |
|
|
105 | # endif |
|
|
106 | #endif |
117 | #endif |
107 | |
118 | |
108 | #ifndef EV_USE_REALTIME |
119 | #ifndef EV_USE_REALTIME |
109 | # define EV_USE_REALTIME 1 |
120 | # define EV_USE_REALTIME 1 |
110 | #endif |
121 | #endif |
… | |
… | |
117 | #endif |
128 | #endif |
118 | |
129 | |
119 | #ifndef CLOCK_REALTIME |
130 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
131 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
132 | # define EV_USE_REALTIME 0 |
|
|
133 | #endif |
|
|
134 | |
|
|
135 | #if EV_SELECT_IS_WINSOCKET |
|
|
136 | # include <winsock.h> |
122 | #endif |
137 | #endif |
123 | |
138 | |
124 | /**/ |
139 | /**/ |
125 | |
140 | |
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
141 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
127 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
142 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
128 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
143 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
129 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
144 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
130 | |
145 | |
|
|
146 | #ifdef EV_H |
|
|
147 | # include EV_H |
|
|
148 | #else |
131 | #include "ev.h" |
149 | # include "ev.h" |
|
|
150 | #endif |
132 | |
151 | |
133 | #if __GNUC__ >= 3 |
152 | #if __GNUC__ >= 3 |
134 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
153 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
135 | # define inline inline |
154 | # define inline inline |
136 | #else |
155 | #else |
… | |
… | |
142 | #define expect_true(expr) expect ((expr) != 0, 1) |
161 | #define expect_true(expr) expect ((expr) != 0, 1) |
143 | |
162 | |
144 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
163 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
145 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
164 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
146 | |
165 | |
|
|
166 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
167 | |
147 | typedef struct ev_watcher *W; |
168 | typedef struct ev_watcher *W; |
148 | typedef struct ev_watcher_list *WL; |
169 | typedef struct ev_watcher_list *WL; |
149 | typedef struct ev_watcher_time *WT; |
170 | typedef struct ev_watcher_time *WT; |
150 | |
171 | |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
172 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
152 | |
173 | |
|
|
174 | #ifdef _WIN32 |
153 | #include "ev_win32.c" |
175 | # include "ev_win32.c" |
|
|
176 | #endif |
154 | |
177 | |
155 | /*****************************************************************************/ |
178 | /*****************************************************************************/ |
156 | |
179 | |
157 | static void (*syserr_cb)(const char *msg); |
180 | static void (*syserr_cb)(const char *msg); |
158 | |
181 | |
… | |
… | |
205 | typedef struct |
228 | typedef struct |
206 | { |
229 | { |
207 | WL head; |
230 | WL head; |
208 | unsigned char events; |
231 | unsigned char events; |
209 | unsigned char reify; |
232 | unsigned char reify; |
|
|
233 | #if EV_SELECT_IS_WINSOCKET |
|
|
234 | SOCKET handle; |
|
|
235 | #endif |
210 | } ANFD; |
236 | } ANFD; |
211 | |
237 | |
212 | typedef struct |
238 | typedef struct |
213 | { |
239 | { |
214 | W w; |
240 | W w; |
215 | int events; |
241 | int events; |
216 | } ANPENDING; |
242 | } ANPENDING; |
217 | |
243 | |
218 | #if EV_MULTIPLICITY |
244 | #if EV_MULTIPLICITY |
219 | |
245 | |
220 | struct ev_loop |
246 | struct ev_loop |
221 | { |
247 | { |
|
|
248 | ev_tstamp ev_rt_now; |
|
|
249 | #define ev_rt_now ((loop)->ev_rt_now) |
222 | # define VAR(name,decl) decl; |
250 | #define VAR(name,decl) decl; |
223 | # include "ev_vars.h" |
251 | #include "ev_vars.h" |
224 | }; |
|
|
225 | # undef VAR |
252 | #undef VAR |
|
|
253 | }; |
226 | # include "ev_wrap.h" |
254 | #include "ev_wrap.h" |
|
|
255 | |
|
|
256 | struct ev_loop default_loop_struct; |
|
|
257 | static struct ev_loop *default_loop; |
227 | |
258 | |
228 | #else |
259 | #else |
229 | |
260 | |
|
|
261 | ev_tstamp ev_rt_now; |
230 | # define VAR(name,decl) static decl; |
262 | #define VAR(name,decl) static decl; |
231 | # include "ev_vars.h" |
263 | #include "ev_vars.h" |
232 | # undef VAR |
264 | #undef VAR |
|
|
265 | |
|
|
266 | static int default_loop; |
233 | |
267 | |
234 | #endif |
268 | #endif |
235 | |
269 | |
236 | /*****************************************************************************/ |
270 | /*****************************************************************************/ |
237 | |
271 | |
238 | inline ev_tstamp |
272 | ev_tstamp |
239 | ev_time (void) |
273 | ev_time (void) |
240 | { |
274 | { |
241 | #if EV_USE_REALTIME |
275 | #if EV_USE_REALTIME |
242 | struct timespec ts; |
276 | struct timespec ts; |
243 | clock_gettime (CLOCK_REALTIME, &ts); |
277 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
262 | #endif |
296 | #endif |
263 | |
297 | |
264 | return ev_time (); |
298 | return ev_time (); |
265 | } |
299 | } |
266 | |
300 | |
|
|
301 | #if EV_MULTIPLICITY |
267 | ev_tstamp |
302 | ev_tstamp |
268 | ev_now (EV_P) |
303 | ev_now (EV_P) |
269 | { |
304 | { |
270 | return rt_now; |
305 | return ev_rt_now; |
271 | } |
306 | } |
|
|
307 | #endif |
272 | |
308 | |
273 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
309 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
274 | |
310 | |
275 | #define array_needsize(type,base,cur,cnt,init) \ |
311 | #define array_needsize(type,base,cur,cnt,init) \ |
276 | if (expect_false ((cnt) > cur)) \ |
312 | if (expect_false ((cnt) > cur)) \ |
… | |
… | |
293 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
329 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
294 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
330 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
295 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
331 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
296 | } |
332 | } |
297 | |
333 | |
298 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
299 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
300 | #define array_free_microshit(stem) \ |
|
|
301 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
302 | |
|
|
303 | #define array_free(stem, idx) \ |
334 | #define array_free(stem, idx) \ |
304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
335 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
305 | |
336 | |
306 | /*****************************************************************************/ |
337 | /*****************************************************************************/ |
307 | |
338 | |
… | |
… | |
316 | |
347 | |
317 | ++base; |
348 | ++base; |
318 | } |
349 | } |
319 | } |
350 | } |
320 | |
351 | |
321 | static void |
352 | void |
322 | event (EV_P_ W w, int events) |
353 | ev_feed_event (EV_P_ void *w, int revents) |
323 | { |
354 | { |
|
|
355 | W w_ = (W)w; |
|
|
356 | |
324 | if (w->pending) |
357 | if (w_->pending) |
325 | { |
358 | { |
326 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
359 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
327 | return; |
360 | return; |
328 | } |
361 | } |
329 | |
362 | |
330 | w->pending = ++pendingcnt [ABSPRI (w)]; |
363 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
331 | array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
364 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
332 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
365 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
333 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
334 | } |
367 | } |
335 | |
368 | |
336 | static void |
369 | static void |
337 | queue_events (EV_P_ W *events, int eventcnt, int type) |
370 | queue_events (EV_P_ W *events, int eventcnt, int type) |
338 | { |
371 | { |
339 | int i; |
372 | int i; |
340 | |
373 | |
341 | for (i = 0; i < eventcnt; ++i) |
374 | for (i = 0; i < eventcnt; ++i) |
342 | event (EV_A_ events [i], type); |
375 | ev_feed_event (EV_A_ events [i], type); |
343 | } |
376 | } |
344 | |
377 | |
345 | static void |
378 | inline void |
346 | fd_event (EV_P_ int fd, int events) |
379 | fd_event (EV_P_ int fd, int revents) |
347 | { |
380 | { |
348 | ANFD *anfd = anfds + fd; |
381 | ANFD *anfd = anfds + fd; |
349 | struct ev_io *w; |
382 | struct ev_io *w; |
350 | |
383 | |
351 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
384 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
352 | { |
385 | { |
353 | int ev = w->events & events; |
386 | int ev = w->events & revents; |
354 | |
387 | |
355 | if (ev) |
388 | if (ev) |
356 | event (EV_A_ (W)w, ev); |
389 | ev_feed_event (EV_A_ (W)w, ev); |
357 | } |
390 | } |
|
|
391 | } |
|
|
392 | |
|
|
393 | void |
|
|
394 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
395 | { |
|
|
396 | fd_event (EV_A_ fd, revents); |
358 | } |
397 | } |
359 | |
398 | |
360 | /*****************************************************************************/ |
399 | /*****************************************************************************/ |
361 | |
400 | |
362 | static void |
401 | static void |
… | |
… | |
373 | int events = 0; |
412 | int events = 0; |
374 | |
413 | |
375 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
414 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
376 | events |= w->events; |
415 | events |= w->events; |
377 | |
416 | |
|
|
417 | #if EV_SELECT_IS_WINSOCKET |
|
|
418 | if (events) |
|
|
419 | { |
|
|
420 | unsigned long argp; |
|
|
421 | anfd->handle = _get_osfhandle (fd); |
|
|
422 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
423 | } |
|
|
424 | #endif |
|
|
425 | |
378 | anfd->reify = 0; |
426 | anfd->reify = 0; |
379 | |
427 | |
380 | method_modify (EV_A_ fd, anfd->events, events); |
428 | method_modify (EV_A_ fd, anfd->events, events); |
381 | anfd->events = events; |
429 | anfd->events = events; |
382 | } |
430 | } |
… | |
… | |
403 | struct ev_io *w; |
451 | struct ev_io *w; |
404 | |
452 | |
405 | while ((w = (struct ev_io *)anfds [fd].head)) |
453 | while ((w = (struct ev_io *)anfds [fd].head)) |
406 | { |
454 | { |
407 | ev_io_stop (EV_A_ w); |
455 | ev_io_stop (EV_A_ w); |
408 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
456 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
409 | } |
457 | } |
410 | } |
458 | } |
411 | |
459 | |
412 | static int |
460 | static int |
413 | fd_valid (int fd) |
461 | fd_valid (int fd) |
414 | { |
462 | { |
415 | #ifdef WIN32 |
463 | #ifdef _WIN32 |
416 | return !!win32_get_osfhandle (fd); |
464 | return _get_osfhandle (fd) != -1; |
417 | #else |
465 | #else |
418 | return fcntl (fd, F_GETFD) != -1; |
466 | return fcntl (fd, F_GETFD) != -1; |
419 | #endif |
467 | #endif |
420 | } |
468 | } |
421 | |
469 | |
… | |
… | |
501 | |
549 | |
502 | heap [k] = w; |
550 | heap [k] = w; |
503 | ((W)heap [k])->active = k + 1; |
551 | ((W)heap [k])->active = k + 1; |
504 | } |
552 | } |
505 | |
553 | |
|
|
554 | inline void |
|
|
555 | adjustheap (WT *heap, int N, int k) |
|
|
556 | { |
|
|
557 | upheap (heap, k); |
|
|
558 | downheap (heap, N, k); |
|
|
559 | } |
|
|
560 | |
506 | /*****************************************************************************/ |
561 | /*****************************************************************************/ |
507 | |
562 | |
508 | typedef struct |
563 | typedef struct |
509 | { |
564 | { |
510 | WL head; |
565 | WL head; |
… | |
… | |
531 | } |
586 | } |
532 | |
587 | |
533 | static void |
588 | static void |
534 | sighandler (int signum) |
589 | sighandler (int signum) |
535 | { |
590 | { |
536 | #if WIN32 |
591 | #if _WIN32 |
537 | signal (signum, sighandler); |
592 | signal (signum, sighandler); |
538 | #endif |
593 | #endif |
539 | |
594 | |
540 | signals [signum - 1].gotsig = 1; |
595 | signals [signum - 1].gotsig = 1; |
541 | |
596 | |
… | |
… | |
546 | write (sigpipe [1], &signum, 1); |
601 | write (sigpipe [1], &signum, 1); |
547 | errno = old_errno; |
602 | errno = old_errno; |
548 | } |
603 | } |
549 | } |
604 | } |
550 | |
605 | |
|
|
606 | void |
|
|
607 | ev_feed_signal_event (EV_P_ int signum) |
|
|
608 | { |
|
|
609 | WL w; |
|
|
610 | |
|
|
611 | #if EV_MULTIPLICITY |
|
|
612 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
|
|
613 | #endif |
|
|
614 | |
|
|
615 | --signum; |
|
|
616 | |
|
|
617 | if (signum < 0 || signum >= signalmax) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | signals [signum].gotsig = 0; |
|
|
621 | |
|
|
622 | for (w = signals [signum].head; w; w = w->next) |
|
|
623 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
624 | } |
|
|
625 | |
551 | static void |
626 | static void |
552 | sigcb (EV_P_ struct ev_io *iow, int revents) |
627 | sigcb (EV_P_ struct ev_io *iow, int revents) |
553 | { |
628 | { |
554 | WL w; |
|
|
555 | int signum; |
629 | int signum; |
556 | |
630 | |
557 | read (sigpipe [0], &revents, 1); |
631 | read (sigpipe [0], &revents, 1); |
558 | gotsig = 0; |
632 | gotsig = 0; |
559 | |
633 | |
560 | for (signum = signalmax; signum--; ) |
634 | for (signum = signalmax; signum--; ) |
561 | if (signals [signum].gotsig) |
635 | if (signals [signum].gotsig) |
562 | { |
636 | ev_feed_signal_event (EV_A_ signum + 1); |
563 | signals [signum].gotsig = 0; |
637 | } |
564 | |
638 | |
565 | for (w = signals [signum].head; w; w = w->next) |
639 | inline void |
566 | event (EV_A_ (W)w, EV_SIGNAL); |
640 | fd_intern (int fd) |
567 | } |
641 | { |
|
|
642 | #ifdef _WIN32 |
|
|
643 | int arg = 1; |
|
|
644 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
645 | #else |
|
|
646 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
647 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
648 | #endif |
568 | } |
649 | } |
569 | |
650 | |
570 | static void |
651 | static void |
571 | siginit (EV_P) |
652 | siginit (EV_P) |
572 | { |
653 | { |
573 | #ifndef WIN32 |
654 | fd_intern (sigpipe [0]); |
574 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
655 | fd_intern (sigpipe [1]); |
575 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
576 | |
|
|
577 | /* rather than sort out wether we really need nb, set it */ |
|
|
578 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
579 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
580 | #endif |
|
|
581 | |
656 | |
582 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
657 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
583 | ev_io_start (EV_A_ &sigev); |
658 | ev_io_start (EV_A_ &sigev); |
584 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
659 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
585 | } |
660 | } |
586 | |
661 | |
587 | /*****************************************************************************/ |
662 | /*****************************************************************************/ |
588 | |
663 | |
589 | static struct ev_child *childs [PID_HASHSIZE]; |
664 | static struct ev_child *childs [PID_HASHSIZE]; |
590 | |
665 | |
591 | #ifndef WIN32 |
666 | #ifndef _WIN32 |
592 | |
667 | |
593 | static struct ev_signal childev; |
668 | static struct ev_signal childev; |
594 | |
669 | |
595 | #ifndef WCONTINUED |
670 | #ifndef WCONTINUED |
596 | # define WCONTINUED 0 |
671 | # define WCONTINUED 0 |
… | |
… | |
605 | if (w->pid == pid || !w->pid) |
680 | if (w->pid == pid || !w->pid) |
606 | { |
681 | { |
607 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
682 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
608 | w->rpid = pid; |
683 | w->rpid = pid; |
609 | w->rstatus = status; |
684 | w->rstatus = status; |
610 | event (EV_A_ (W)w, EV_CHILD); |
685 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
611 | } |
686 | } |
612 | } |
687 | } |
613 | |
688 | |
614 | static void |
689 | static void |
615 | childcb (EV_P_ struct ev_signal *sw, int revents) |
690 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
617 | int pid, status; |
692 | int pid, status; |
618 | |
693 | |
619 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
694 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
620 | { |
695 | { |
621 | /* make sure we are called again until all childs have been reaped */ |
696 | /* make sure we are called again until all childs have been reaped */ |
622 | event (EV_A_ (W)sw, EV_SIGNAL); |
697 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
623 | |
698 | |
624 | child_reap (EV_A_ sw, pid, pid, status); |
699 | child_reap (EV_A_ sw, pid, pid, status); |
625 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
700 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
626 | } |
701 | } |
627 | } |
702 | } |
… | |
… | |
657 | |
732 | |
658 | /* return true if we are running with elevated privileges and should ignore env variables */ |
733 | /* return true if we are running with elevated privileges and should ignore env variables */ |
659 | static int |
734 | static int |
660 | enable_secure (void) |
735 | enable_secure (void) |
661 | { |
736 | { |
662 | #ifdef WIN32 |
737 | #ifdef _WIN32 |
663 | return 0; |
738 | return 0; |
664 | #else |
739 | #else |
665 | return getuid () != geteuid () |
740 | return getuid () != geteuid () |
666 | || getgid () != getegid (); |
741 | || getgid () != getegid (); |
667 | #endif |
742 | #endif |
… | |
… | |
684 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
759 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
685 | have_monotonic = 1; |
760 | have_monotonic = 1; |
686 | } |
761 | } |
687 | #endif |
762 | #endif |
688 | |
763 | |
689 | rt_now = ev_time (); |
764 | ev_rt_now = ev_time (); |
690 | mn_now = get_clock (); |
765 | mn_now = get_clock (); |
691 | now_floor = mn_now; |
766 | now_floor = mn_now; |
692 | rtmn_diff = rt_now - mn_now; |
767 | rtmn_diff = ev_rt_now - mn_now; |
693 | |
768 | |
694 | if (methods == EVMETHOD_AUTO) |
769 | if (methods == EVMETHOD_AUTO) |
695 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
770 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
696 | methods = atoi (getenv ("LIBEV_METHODS")); |
771 | methods = atoi (getenv ("LIBEV_METHODS")); |
697 | else |
772 | else |
698 | methods = EVMETHOD_ANY; |
773 | methods = EVMETHOD_ANY; |
699 | |
774 | |
700 | method = 0; |
775 | method = 0; |
701 | #if EV_USE_WIN32 |
|
|
702 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
703 | #endif |
|
|
704 | #if EV_USE_KQUEUE |
776 | #if EV_USE_KQUEUE |
705 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
777 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
706 | #endif |
778 | #endif |
707 | #if EV_USE_EPOLL |
779 | #if EV_USE_EPOLL |
708 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
780 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
… | |
… | |
712 | #endif |
784 | #endif |
713 | #if EV_USE_SELECT |
785 | #if EV_USE_SELECT |
714 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
786 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
715 | #endif |
787 | #endif |
716 | |
788 | |
717 | ev_watcher_init (&sigev, sigcb); |
789 | ev_init (&sigev, sigcb); |
718 | ev_set_priority (&sigev, EV_MAXPRI); |
790 | ev_set_priority (&sigev, EV_MAXPRI); |
719 | } |
791 | } |
720 | } |
792 | } |
721 | |
793 | |
722 | void |
794 | void |
723 | loop_destroy (EV_P) |
795 | loop_destroy (EV_P) |
724 | { |
796 | { |
725 | int i; |
797 | int i; |
726 | |
798 | |
727 | #if EV_USE_WIN32 |
|
|
728 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
|
|
729 | #endif |
|
|
730 | #if EV_USE_KQUEUE |
799 | #if EV_USE_KQUEUE |
731 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
800 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
732 | #endif |
801 | #endif |
733 | #if EV_USE_EPOLL |
802 | #if EV_USE_EPOLL |
734 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
803 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
… | |
… | |
742 | |
811 | |
743 | for (i = NUMPRI; i--; ) |
812 | for (i = NUMPRI; i--; ) |
744 | array_free (pending, [i]); |
813 | array_free (pending, [i]); |
745 | |
814 | |
746 | /* have to use the microsoft-never-gets-it-right macro */ |
815 | /* have to use the microsoft-never-gets-it-right macro */ |
747 | array_free_microshit (fdchange); |
816 | array_free (fdchange, EMPTY); |
748 | array_free_microshit (timer); |
817 | array_free (timer, EMPTY); |
749 | array_free_microshit (periodic); |
818 | #if EV_PERIODICS |
750 | array_free_microshit (idle); |
819 | array_free (periodic, EMPTY); |
751 | array_free_microshit (prepare); |
820 | #endif |
752 | array_free_microshit (check); |
821 | array_free (idle, EMPTY); |
|
|
822 | array_free (prepare, EMPTY); |
|
|
823 | array_free (check, EMPTY); |
753 | |
824 | |
754 | method = 0; |
825 | method = 0; |
755 | } |
826 | } |
756 | |
827 | |
757 | static void |
828 | static void |
… | |
… | |
812 | } |
883 | } |
813 | |
884 | |
814 | #endif |
885 | #endif |
815 | |
886 | |
816 | #if EV_MULTIPLICITY |
887 | #if EV_MULTIPLICITY |
817 | struct ev_loop default_loop_struct; |
|
|
818 | static struct ev_loop *default_loop; |
|
|
819 | |
|
|
820 | struct ev_loop * |
888 | struct ev_loop * |
821 | #else |
889 | #else |
822 | static int default_loop; |
|
|
823 | |
|
|
824 | int |
890 | int |
825 | #endif |
891 | #endif |
826 | ev_default_loop (int methods) |
892 | ev_default_loop (int methods) |
827 | { |
893 | { |
828 | if (sigpipe [0] == sigpipe [1]) |
894 | if (sigpipe [0] == sigpipe [1]) |
… | |
… | |
841 | |
907 | |
842 | if (ev_method (EV_A)) |
908 | if (ev_method (EV_A)) |
843 | { |
909 | { |
844 | siginit (EV_A); |
910 | siginit (EV_A); |
845 | |
911 | |
846 | #ifndef WIN32 |
912 | #ifndef _WIN32 |
847 | ev_signal_init (&childev, childcb, SIGCHLD); |
913 | ev_signal_init (&childev, childcb, SIGCHLD); |
848 | ev_set_priority (&childev, EV_MAXPRI); |
914 | ev_set_priority (&childev, EV_MAXPRI); |
849 | ev_signal_start (EV_A_ &childev); |
915 | ev_signal_start (EV_A_ &childev); |
850 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
916 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
851 | #endif |
917 | #endif |
… | |
… | |
862 | { |
928 | { |
863 | #if EV_MULTIPLICITY |
929 | #if EV_MULTIPLICITY |
864 | struct ev_loop *loop = default_loop; |
930 | struct ev_loop *loop = default_loop; |
865 | #endif |
931 | #endif |
866 | |
932 | |
867 | #ifndef WIN32 |
933 | #ifndef _WIN32 |
868 | ev_ref (EV_A); /* child watcher */ |
934 | ev_ref (EV_A); /* child watcher */ |
869 | ev_signal_stop (EV_A_ &childev); |
935 | ev_signal_stop (EV_A_ &childev); |
870 | #endif |
936 | #endif |
871 | |
937 | |
872 | ev_ref (EV_A); /* signal watcher */ |
938 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
888 | if (method) |
954 | if (method) |
889 | postfork = 1; |
955 | postfork = 1; |
890 | } |
956 | } |
891 | |
957 | |
892 | /*****************************************************************************/ |
958 | /*****************************************************************************/ |
|
|
959 | |
|
|
960 | static int |
|
|
961 | any_pending (EV_P) |
|
|
962 | { |
|
|
963 | int pri; |
|
|
964 | |
|
|
965 | for (pri = NUMPRI; pri--; ) |
|
|
966 | if (pendingcnt [pri]) |
|
|
967 | return 1; |
|
|
968 | |
|
|
969 | return 0; |
|
|
970 | } |
893 | |
971 | |
894 | static void |
972 | static void |
895 | call_pending (EV_P) |
973 | call_pending (EV_P) |
896 | { |
974 | { |
897 | int pri; |
975 | int pri; |
… | |
… | |
902 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
980 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
903 | |
981 | |
904 | if (p->w) |
982 | if (p->w) |
905 | { |
983 | { |
906 | p->w->pending = 0; |
984 | p->w->pending = 0; |
907 | p->w->cb (EV_A_ p->w, p->events); |
985 | EV_CB_INVOKE (p->w, p->events); |
908 | } |
986 | } |
909 | } |
987 | } |
910 | } |
988 | } |
911 | |
989 | |
912 | static void |
990 | static void |
… | |
… | |
920 | |
998 | |
921 | /* first reschedule or stop timer */ |
999 | /* first reschedule or stop timer */ |
922 | if (w->repeat) |
1000 | if (w->repeat) |
923 | { |
1001 | { |
924 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1002 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1003 | |
925 | ((WT)w)->at = mn_now + w->repeat; |
1004 | ((WT)w)->at += w->repeat; |
|
|
1005 | if (((WT)w)->at < mn_now) |
|
|
1006 | ((WT)w)->at = mn_now; |
|
|
1007 | |
926 | downheap ((WT *)timers, timercnt, 0); |
1008 | downheap ((WT *)timers, timercnt, 0); |
927 | } |
1009 | } |
928 | else |
1010 | else |
929 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1011 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
930 | |
1012 | |
931 | event (EV_A_ (W)w, EV_TIMEOUT); |
1013 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
932 | } |
1014 | } |
933 | } |
1015 | } |
934 | |
1016 | |
|
|
1017 | #if EV_PERIODICS |
935 | static void |
1018 | static void |
936 | periodics_reify (EV_P) |
1019 | periodics_reify (EV_P) |
937 | { |
1020 | { |
938 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1021 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
939 | { |
1022 | { |
940 | struct ev_periodic *w = periodics [0]; |
1023 | struct ev_periodic *w = periodics [0]; |
941 | |
1024 | |
942 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1025 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
943 | |
1026 | |
944 | /* first reschedule or stop timer */ |
1027 | /* first reschedule or stop timer */ |
945 | if (w->interval) |
1028 | if (w->reschedule_cb) |
946 | { |
1029 | { |
|
|
1030 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1031 | |
|
|
1032 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1033 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1034 | } |
|
|
1035 | else if (w->interval) |
|
|
1036 | { |
947 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1037 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
948 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1038 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
949 | downheap ((WT *)periodics, periodiccnt, 0); |
1039 | downheap ((WT *)periodics, periodiccnt, 0); |
950 | } |
1040 | } |
951 | else |
1041 | else |
952 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1042 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
953 | |
1043 | |
954 | event (EV_A_ (W)w, EV_PERIODIC); |
1044 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
955 | } |
1045 | } |
956 | } |
1046 | } |
957 | |
1047 | |
958 | static void |
1048 | static void |
959 | periodics_reschedule (EV_P) |
1049 | periodics_reschedule (EV_P) |
… | |
… | |
963 | /* adjust periodics after time jump */ |
1053 | /* adjust periodics after time jump */ |
964 | for (i = 0; i < periodiccnt; ++i) |
1054 | for (i = 0; i < periodiccnt; ++i) |
965 | { |
1055 | { |
966 | struct ev_periodic *w = periodics [i]; |
1056 | struct ev_periodic *w = periodics [i]; |
967 | |
1057 | |
|
|
1058 | if (w->reschedule_cb) |
|
|
1059 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
968 | if (w->interval) |
1060 | else if (w->interval) |
969 | { |
|
|
970 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1061 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
971 | |
|
|
972 | if (fabs (diff) >= 1e-4) |
|
|
973 | { |
|
|
974 | ev_periodic_stop (EV_A_ w); |
|
|
975 | ev_periodic_start (EV_A_ w); |
|
|
976 | |
|
|
977 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
978 | } |
|
|
979 | } |
|
|
980 | } |
1062 | } |
|
|
1063 | |
|
|
1064 | /* now rebuild the heap */ |
|
|
1065 | for (i = periodiccnt >> 1; i--; ) |
|
|
1066 | downheap ((WT *)periodics, periodiccnt, i); |
981 | } |
1067 | } |
|
|
1068 | #endif |
982 | |
1069 | |
983 | inline int |
1070 | inline int |
984 | time_update_monotonic (EV_P) |
1071 | time_update_monotonic (EV_P) |
985 | { |
1072 | { |
986 | mn_now = get_clock (); |
1073 | mn_now = get_clock (); |
987 | |
1074 | |
988 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1075 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
989 | { |
1076 | { |
990 | rt_now = rtmn_diff + mn_now; |
1077 | ev_rt_now = rtmn_diff + mn_now; |
991 | return 0; |
1078 | return 0; |
992 | } |
1079 | } |
993 | else |
1080 | else |
994 | { |
1081 | { |
995 | now_floor = mn_now; |
1082 | now_floor = mn_now; |
996 | rt_now = ev_time (); |
1083 | ev_rt_now = ev_time (); |
997 | return 1; |
1084 | return 1; |
998 | } |
1085 | } |
999 | } |
1086 | } |
1000 | |
1087 | |
1001 | static void |
1088 | static void |
… | |
… | |
1010 | { |
1097 | { |
1011 | ev_tstamp odiff = rtmn_diff; |
1098 | ev_tstamp odiff = rtmn_diff; |
1012 | |
1099 | |
1013 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1100 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1014 | { |
1101 | { |
1015 | rtmn_diff = rt_now - mn_now; |
1102 | rtmn_diff = ev_rt_now - mn_now; |
1016 | |
1103 | |
1017 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1104 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1018 | return; /* all is well */ |
1105 | return; /* all is well */ |
1019 | |
1106 | |
1020 | rt_now = ev_time (); |
1107 | ev_rt_now = ev_time (); |
1021 | mn_now = get_clock (); |
1108 | mn_now = get_clock (); |
1022 | now_floor = mn_now; |
1109 | now_floor = mn_now; |
1023 | } |
1110 | } |
1024 | |
1111 | |
|
|
1112 | # if EV_PERIODICS |
1025 | periodics_reschedule (EV_A); |
1113 | periodics_reschedule (EV_A); |
|
|
1114 | # endif |
1026 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1115 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1027 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1116 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1028 | } |
1117 | } |
1029 | } |
1118 | } |
1030 | else |
1119 | else |
1031 | #endif |
1120 | #endif |
1032 | { |
1121 | { |
1033 | rt_now = ev_time (); |
1122 | ev_rt_now = ev_time (); |
1034 | |
1123 | |
1035 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1124 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1036 | { |
1125 | { |
|
|
1126 | #if EV_PERIODICS |
1037 | periodics_reschedule (EV_A); |
1127 | periodics_reschedule (EV_A); |
|
|
1128 | #endif |
1038 | |
1129 | |
1039 | /* adjust timers. this is easy, as the offset is the same for all */ |
1130 | /* adjust timers. this is easy, as the offset is the same for all */ |
1040 | for (i = 0; i < timercnt; ++i) |
1131 | for (i = 0; i < timercnt; ++i) |
1041 | ((WT)timers [i])->at += rt_now - mn_now; |
1132 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1042 | } |
1133 | } |
1043 | |
1134 | |
1044 | mn_now = rt_now; |
1135 | mn_now = ev_rt_now; |
1045 | } |
1136 | } |
1046 | } |
1137 | } |
1047 | |
1138 | |
1048 | void |
1139 | void |
1049 | ev_ref (EV_P) |
1140 | ev_ref (EV_P) |
… | |
… | |
1081 | /* update fd-related kernel structures */ |
1172 | /* update fd-related kernel structures */ |
1082 | fd_reify (EV_A); |
1173 | fd_reify (EV_A); |
1083 | |
1174 | |
1084 | /* calculate blocking time */ |
1175 | /* calculate blocking time */ |
1085 | |
1176 | |
1086 | /* we only need this for !monotonic clockor timers, but as we basically |
1177 | /* we only need this for !monotonic clock or timers, but as we basically |
1087 | always have timers, we just calculate it always */ |
1178 | always have timers, we just calculate it always */ |
1088 | #if EV_USE_MONOTONIC |
1179 | #if EV_USE_MONOTONIC |
1089 | if (expect_true (have_monotonic)) |
1180 | if (expect_true (have_monotonic)) |
1090 | time_update_monotonic (EV_A); |
1181 | time_update_monotonic (EV_A); |
1091 | else |
1182 | else |
1092 | #endif |
1183 | #endif |
1093 | { |
1184 | { |
1094 | rt_now = ev_time (); |
1185 | ev_rt_now = ev_time (); |
1095 | mn_now = rt_now; |
1186 | mn_now = ev_rt_now; |
1096 | } |
1187 | } |
1097 | |
1188 | |
1098 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1189 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1099 | block = 0.; |
1190 | block = 0.; |
1100 | else |
1191 | else |
… | |
… | |
1105 | { |
1196 | { |
1106 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1197 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1107 | if (block > to) block = to; |
1198 | if (block > to) block = to; |
1108 | } |
1199 | } |
1109 | |
1200 | |
|
|
1201 | #if EV_PERIODICS |
1110 | if (periodiccnt) |
1202 | if (periodiccnt) |
1111 | { |
1203 | { |
1112 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1204 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1113 | if (block > to) block = to; |
1205 | if (block > to) block = to; |
1114 | } |
1206 | } |
|
|
1207 | #endif |
1115 | |
1208 | |
1116 | if (block < 0.) block = 0.; |
1209 | if (block < 0.) block = 0.; |
1117 | } |
1210 | } |
1118 | |
1211 | |
1119 | method_poll (EV_A_ block); |
1212 | method_poll (EV_A_ block); |
1120 | |
1213 | |
1121 | /* update rt_now, do magic */ |
1214 | /* update ev_rt_now, do magic */ |
1122 | time_update (EV_A); |
1215 | time_update (EV_A); |
1123 | |
1216 | |
1124 | /* queue pending timers and reschedule them */ |
1217 | /* queue pending timers and reschedule them */ |
1125 | timers_reify (EV_A); /* relative timers called last */ |
1218 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1219 | #if EV_PERIODICS |
1126 | periodics_reify (EV_A); /* absolute timers called first */ |
1220 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1221 | #endif |
1127 | |
1222 | |
1128 | /* queue idle watchers unless io or timers are pending */ |
1223 | /* queue idle watchers unless io or timers are pending */ |
1129 | if (!pendingcnt) |
1224 | if (idlecnt && !any_pending (EV_A)) |
1130 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1225 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1131 | |
1226 | |
1132 | /* queue check watchers, to be executed first */ |
1227 | /* queue check watchers, to be executed first */ |
1133 | if (checkcnt) |
1228 | if (checkcnt) |
1134 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1229 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
1222 | { |
1317 | { |
1223 | ev_clear_pending (EV_A_ (W)w); |
1318 | ev_clear_pending (EV_A_ (W)w); |
1224 | if (!ev_is_active (w)) |
1319 | if (!ev_is_active (w)) |
1225 | return; |
1320 | return; |
1226 | |
1321 | |
|
|
1322 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1323 | |
1227 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1324 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1228 | ev_stop (EV_A_ (W)w); |
1325 | ev_stop (EV_A_ (W)w); |
1229 | |
1326 | |
1230 | fd_change (EV_A_ w->fd); |
1327 | fd_change (EV_A_ w->fd); |
1231 | } |
1328 | } |
… | |
… | |
1258 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1355 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1259 | |
1356 | |
1260 | if (((W)w)->active < timercnt--) |
1357 | if (((W)w)->active < timercnt--) |
1261 | { |
1358 | { |
1262 | timers [((W)w)->active - 1] = timers [timercnt]; |
1359 | timers [((W)w)->active - 1] = timers [timercnt]; |
1263 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1360 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1264 | } |
1361 | } |
1265 | |
1362 | |
1266 | ((WT)w)->at = w->repeat; |
1363 | ((WT)w)->at -= mn_now; |
1267 | |
1364 | |
1268 | ev_stop (EV_A_ (W)w); |
1365 | ev_stop (EV_A_ (W)w); |
1269 | } |
1366 | } |
1270 | |
1367 | |
1271 | void |
1368 | void |
… | |
… | |
1274 | if (ev_is_active (w)) |
1371 | if (ev_is_active (w)) |
1275 | { |
1372 | { |
1276 | if (w->repeat) |
1373 | if (w->repeat) |
1277 | { |
1374 | { |
1278 | ((WT)w)->at = mn_now + w->repeat; |
1375 | ((WT)w)->at = mn_now + w->repeat; |
1279 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1376 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1280 | } |
1377 | } |
1281 | else |
1378 | else |
1282 | ev_timer_stop (EV_A_ w); |
1379 | ev_timer_stop (EV_A_ w); |
1283 | } |
1380 | } |
1284 | else if (w->repeat) |
1381 | else if (w->repeat) |
1285 | ev_timer_start (EV_A_ w); |
1382 | ev_timer_start (EV_A_ w); |
1286 | } |
1383 | } |
1287 | |
1384 | |
|
|
1385 | #if EV_PERIODICS |
1288 | void |
1386 | void |
1289 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1387 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1290 | { |
1388 | { |
1291 | if (ev_is_active (w)) |
1389 | if (ev_is_active (w)) |
1292 | return; |
1390 | return; |
1293 | |
1391 | |
|
|
1392 | if (w->reschedule_cb) |
|
|
1393 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1394 | else if (w->interval) |
|
|
1395 | { |
1294 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1396 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1295 | |
|
|
1296 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1397 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1297 | if (w->interval) |
|
|
1298 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1398 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1399 | } |
1299 | |
1400 | |
1300 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1401 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1301 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1402 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1302 | periodics [periodiccnt - 1] = w; |
1403 | periodics [periodiccnt - 1] = w; |
1303 | upheap ((WT *)periodics, periodiccnt - 1); |
1404 | upheap ((WT *)periodics, periodiccnt - 1); |
… | |
… | |
1315 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1416 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1316 | |
1417 | |
1317 | if (((W)w)->active < periodiccnt--) |
1418 | if (((W)w)->active < periodiccnt--) |
1318 | { |
1419 | { |
1319 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1420 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1320 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1421 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1321 | } |
1422 | } |
1322 | |
1423 | |
1323 | ev_stop (EV_A_ (W)w); |
1424 | ev_stop (EV_A_ (W)w); |
1324 | } |
1425 | } |
|
|
1426 | |
|
|
1427 | void |
|
|
1428 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1429 | { |
|
|
1430 | /* TODO: use adjustheap and recalculation */ |
|
|
1431 | ev_periodic_stop (EV_A_ w); |
|
|
1432 | ev_periodic_start (EV_A_ w); |
|
|
1433 | } |
|
|
1434 | #endif |
1325 | |
1435 | |
1326 | void |
1436 | void |
1327 | ev_idle_start (EV_P_ struct ev_idle *w) |
1437 | ev_idle_start (EV_P_ struct ev_idle *w) |
1328 | { |
1438 | { |
1329 | if (ev_is_active (w)) |
1439 | if (ev_is_active (w)) |
… | |
… | |
1336 | |
1446 | |
1337 | void |
1447 | void |
1338 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1448 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1339 | { |
1449 | { |
1340 | ev_clear_pending (EV_A_ (W)w); |
1450 | ev_clear_pending (EV_A_ (W)w); |
1341 | if (ev_is_active (w)) |
1451 | if (!ev_is_active (w)) |
1342 | return; |
1452 | return; |
1343 | |
1453 | |
1344 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1454 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1345 | ev_stop (EV_A_ (W)w); |
1455 | ev_stop (EV_A_ (W)w); |
1346 | } |
1456 | } |
… | |
… | |
1358 | |
1468 | |
1359 | void |
1469 | void |
1360 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1470 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1361 | { |
1471 | { |
1362 | ev_clear_pending (EV_A_ (W)w); |
1472 | ev_clear_pending (EV_A_ (W)w); |
1363 | if (ev_is_active (w)) |
1473 | if (!ev_is_active (w)) |
1364 | return; |
1474 | return; |
1365 | |
1475 | |
1366 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1476 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1367 | ev_stop (EV_A_ (W)w); |
1477 | ev_stop (EV_A_ (W)w); |
1368 | } |
1478 | } |
… | |
… | |
1380 | |
1490 | |
1381 | void |
1491 | void |
1382 | ev_check_stop (EV_P_ struct ev_check *w) |
1492 | ev_check_stop (EV_P_ struct ev_check *w) |
1383 | { |
1493 | { |
1384 | ev_clear_pending (EV_A_ (W)w); |
1494 | ev_clear_pending (EV_A_ (W)w); |
1385 | if (ev_is_active (w)) |
1495 | if (!ev_is_active (w)) |
1386 | return; |
1496 | return; |
1387 | |
1497 | |
1388 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1498 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1389 | ev_stop (EV_A_ (W)w); |
1499 | ev_stop (EV_A_ (W)w); |
1390 | } |
1500 | } |
… | |
… | |
1408 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1518 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1409 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1519 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1410 | |
1520 | |
1411 | if (!((WL)w)->next) |
1521 | if (!((WL)w)->next) |
1412 | { |
1522 | { |
1413 | #if WIN32 |
1523 | #if _WIN32 |
1414 | signal (w->signum, sighandler); |
1524 | signal (w->signum, sighandler); |
1415 | #else |
1525 | #else |
1416 | struct sigaction sa; |
1526 | struct sigaction sa; |
1417 | sa.sa_handler = sighandler; |
1527 | sa.sa_handler = sighandler; |
1418 | sigfillset (&sa.sa_mask); |
1528 | sigfillset (&sa.sa_mask); |
… | |
… | |
1451 | |
1561 | |
1452 | void |
1562 | void |
1453 | ev_child_stop (EV_P_ struct ev_child *w) |
1563 | ev_child_stop (EV_P_ struct ev_child *w) |
1454 | { |
1564 | { |
1455 | ev_clear_pending (EV_A_ (W)w); |
1565 | ev_clear_pending (EV_A_ (W)w); |
1456 | if (ev_is_active (w)) |
1566 | if (!ev_is_active (w)) |
1457 | return; |
1567 | return; |
1458 | |
1568 | |
1459 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1569 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1460 | ev_stop (EV_A_ (W)w); |
1570 | ev_stop (EV_A_ (W)w); |
1461 | } |
1571 | } |
… | |
… | |
1505 | else |
1615 | else |
1506 | { |
1616 | { |
1507 | once->cb = cb; |
1617 | once->cb = cb; |
1508 | once->arg = arg; |
1618 | once->arg = arg; |
1509 | |
1619 | |
1510 | ev_watcher_init (&once->io, once_cb_io); |
1620 | ev_init (&once->io, once_cb_io); |
1511 | if (fd >= 0) |
1621 | if (fd >= 0) |
1512 | { |
1622 | { |
1513 | ev_io_set (&once->io, fd, events); |
1623 | ev_io_set (&once->io, fd, events); |
1514 | ev_io_start (EV_A_ &once->io); |
1624 | ev_io_start (EV_A_ &once->io); |
1515 | } |
1625 | } |
1516 | |
1626 | |
1517 | ev_watcher_init (&once->to, once_cb_to); |
1627 | ev_init (&once->to, once_cb_to); |
1518 | if (timeout >= 0.) |
1628 | if (timeout >= 0.) |
1519 | { |
1629 | { |
1520 | ev_timer_set (&once->to, timeout, 0.); |
1630 | ev_timer_set (&once->to, timeout, 0.); |
1521 | ev_timer_start (EV_A_ &once->to); |
1631 | ev_timer_start (EV_A_ &once->to); |
1522 | } |
1632 | } |
1523 | } |
1633 | } |
1524 | } |
1634 | } |
1525 | |
1635 | |
|
|
1636 | #ifdef __cplusplus |
|
|
1637 | } |
|
|
1638 | #endif |
|
|
1639 | |