… | |
… | |
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 |
35 | # define EV_USE_MONOTONIC 1 |
40 | # define EV_USE_MONOTONIC 1 |
… | |
… | |
46 | |
51 | |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
52 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
48 | # define EV_USE_EPOLL 1 |
53 | # define EV_USE_EPOLL 1 |
49 | # endif |
54 | # endif |
50 | |
55 | |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
56 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
52 | # define EV_USE_KQUEUE 1 |
57 | # define EV_USE_KQUEUE 1 |
53 | # endif |
58 | # endif |
54 | |
59 | |
55 | #endif |
60 | #endif |
56 | |
61 | |
57 | #include <math.h> |
62 | #include <math.h> |
58 | #include <stdlib.h> |
63 | #include <stdlib.h> |
59 | #include <unistd.h> |
|
|
60 | #include <fcntl.h> |
64 | #include <fcntl.h> |
61 | #include <signal.h> |
|
|
62 | #include <stddef.h> |
65 | #include <stddef.h> |
63 | |
66 | |
64 | #include <stdio.h> |
67 | #include <stdio.h> |
65 | |
68 | |
66 | #include <assert.h> |
69 | #include <assert.h> |
67 | #include <errno.h> |
70 | #include <errno.h> |
68 | #include <sys/types.h> |
71 | #include <sys/types.h> |
|
|
72 | #include <time.h> |
|
|
73 | |
|
|
74 | #include <signal.h> |
|
|
75 | |
69 | #ifndef WIN32 |
76 | #ifndef WIN32 |
|
|
77 | # include <unistd.h> |
|
|
78 | # include <sys/time.h> |
70 | # include <sys/wait.h> |
79 | # include <sys/wait.h> |
71 | #endif |
80 | #endif |
72 | #include <sys/time.h> |
|
|
73 | #include <time.h> |
|
|
74 | |
|
|
75 | /**/ |
81 | /**/ |
76 | |
82 | |
77 | #ifndef EV_USE_MONOTONIC |
83 | #ifndef EV_USE_MONOTONIC |
78 | # define EV_USE_MONOTONIC 1 |
84 | # define EV_USE_MONOTONIC 1 |
79 | #endif |
85 | #endif |
… | |
… | |
94 | # define EV_USE_KQUEUE 0 |
100 | # define EV_USE_KQUEUE 0 |
95 | #endif |
101 | #endif |
96 | |
102 | |
97 | #ifndef EV_USE_WIN32 |
103 | #ifndef EV_USE_WIN32 |
98 | # ifdef WIN32 |
104 | # ifdef WIN32 |
|
|
105 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
106 | # undef EV_USE_SELECT |
99 | # define EV_USE_WIN32 1 |
107 | # define EV_USE_SELECT 1 |
100 | # else |
108 | # else |
101 | # define EV_USE_WIN32 0 |
109 | # define EV_USE_WIN32 0 |
102 | # endif |
110 | # endif |
103 | #endif |
111 | #endif |
104 | |
112 | |
… | |
… | |
123 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
131 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
124 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
132 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
125 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
133 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
126 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
134 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
127 | |
135 | |
|
|
136 | #ifdef EV_H |
|
|
137 | # include EV_H |
|
|
138 | #else |
128 | #include "ev.h" |
139 | # include "ev.h" |
|
|
140 | #endif |
129 | |
141 | |
130 | #if __GNUC__ >= 3 |
142 | #if __GNUC__ >= 3 |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
143 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define inline inline |
144 | # define inline inline |
133 | #else |
145 | #else |
… | |
… | |
145 | typedef struct ev_watcher_list *WL; |
157 | typedef struct ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
158 | typedef struct ev_watcher_time *WT; |
147 | |
159 | |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
160 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
161 | |
|
|
162 | #include "ev_win32.c" |
|
|
163 | |
150 | /*****************************************************************************/ |
164 | /*****************************************************************************/ |
151 | |
165 | |
|
|
166 | static void (*syserr_cb)(const char *msg); |
|
|
167 | |
|
|
168 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
169 | { |
|
|
170 | syserr_cb = cb; |
|
|
171 | } |
|
|
172 | |
|
|
173 | static void |
|
|
174 | syserr (const char *msg) |
|
|
175 | { |
|
|
176 | if (!msg) |
|
|
177 | msg = "(libev) system error"; |
|
|
178 | |
|
|
179 | if (syserr_cb) |
|
|
180 | syserr_cb (msg); |
|
|
181 | else |
|
|
182 | { |
|
|
183 | perror (msg); |
|
|
184 | abort (); |
|
|
185 | } |
|
|
186 | } |
|
|
187 | |
|
|
188 | static void *(*alloc)(void *ptr, long size); |
|
|
189 | |
|
|
190 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
191 | { |
|
|
192 | alloc = cb; |
|
|
193 | } |
|
|
194 | |
|
|
195 | static void * |
|
|
196 | ev_realloc (void *ptr, long size) |
|
|
197 | { |
|
|
198 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
199 | |
|
|
200 | if (!ptr && size) |
|
|
201 | { |
|
|
202 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
203 | abort (); |
|
|
204 | } |
|
|
205 | |
|
|
206 | return ptr; |
|
|
207 | } |
|
|
208 | |
|
|
209 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
210 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
211 | |
|
|
212 | /*****************************************************************************/ |
|
|
213 | |
152 | typedef struct |
214 | typedef struct |
153 | { |
215 | { |
154 | struct ev_watcher_list *head; |
216 | WL head; |
155 | unsigned char events; |
217 | unsigned char events; |
156 | unsigned char reify; |
218 | unsigned char reify; |
157 | } ANFD; |
219 | } ANFD; |
158 | |
220 | |
159 | typedef struct |
221 | typedef struct |
… | |
… | |
162 | int events; |
224 | int events; |
163 | } ANPENDING; |
225 | } ANPENDING; |
164 | |
226 | |
165 | #if EV_MULTIPLICITY |
227 | #if EV_MULTIPLICITY |
166 | |
228 | |
167 | struct ev_loop |
229 | struct ev_loop |
168 | { |
230 | { |
|
|
231 | ev_tstamp ev_rt_now; |
169 | # define VAR(name,decl) decl; |
232 | #define VAR(name,decl) decl; |
170 | # include "ev_vars.h" |
233 | #include "ev_vars.h" |
171 | }; |
|
|
172 | # undef VAR |
234 | #undef VAR |
|
|
235 | }; |
173 | # include "ev_wrap.h" |
236 | #include "ev_wrap.h" |
|
|
237 | |
|
|
238 | struct ev_loop default_loop_struct; |
|
|
239 | static struct ev_loop *default_loop; |
174 | |
240 | |
175 | #else |
241 | #else |
176 | |
242 | |
|
|
243 | ev_tstamp ev_rt_now; |
177 | # define VAR(name,decl) static decl; |
244 | #define VAR(name,decl) static decl; |
178 | # include "ev_vars.h" |
245 | #include "ev_vars.h" |
179 | # undef VAR |
246 | #undef VAR |
|
|
247 | |
|
|
248 | static int default_loop; |
180 | |
249 | |
181 | #endif |
250 | #endif |
182 | |
251 | |
183 | /*****************************************************************************/ |
252 | /*****************************************************************************/ |
184 | |
253 | |
185 | inline ev_tstamp |
254 | ev_tstamp |
186 | ev_time (void) |
255 | ev_time (void) |
187 | { |
256 | { |
188 | #if EV_USE_REALTIME |
257 | #if EV_USE_REALTIME |
189 | struct timespec ts; |
258 | struct timespec ts; |
190 | clock_gettime (CLOCK_REALTIME, &ts); |
259 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
209 | #endif |
278 | #endif |
210 | |
279 | |
211 | return ev_time (); |
280 | return ev_time (); |
212 | } |
281 | } |
213 | |
282 | |
|
|
283 | #if EV_MULTIPLICITY |
214 | ev_tstamp |
284 | ev_tstamp |
215 | ev_now (EV_P) |
285 | ev_now (EV_P) |
216 | { |
286 | { |
217 | return rt_now; |
287 | return ev_rt_now; |
218 | } |
288 | } |
|
|
289 | #endif |
219 | |
290 | |
220 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
291 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
221 | |
292 | |
222 | #define array_needsize(base,cur,cnt,init) \ |
293 | #define array_needsize(type,base,cur,cnt,init) \ |
223 | if (expect_false ((cnt) > cur)) \ |
294 | if (expect_false ((cnt) > cur)) \ |
224 | { \ |
295 | { \ |
225 | int newcnt = cur; \ |
296 | int newcnt = cur; \ |
226 | do \ |
297 | do \ |
227 | { \ |
298 | { \ |
228 | newcnt = array_roundsize (base, newcnt << 1); \ |
299 | newcnt = array_roundsize (type, newcnt << 1); \ |
229 | } \ |
300 | } \ |
230 | while ((cnt) > newcnt); \ |
301 | while ((cnt) > newcnt); \ |
231 | \ |
302 | \ |
232 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
303 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
233 | init (base + cur, newcnt - cur); \ |
304 | init (base + cur, newcnt - cur); \ |
234 | cur = newcnt; \ |
305 | cur = newcnt; \ |
235 | } |
306 | } |
|
|
307 | |
|
|
308 | #define array_slim(type,stem) \ |
|
|
309 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
310 | { \ |
|
|
311 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
312 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
313 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
314 | } |
|
|
315 | |
|
|
316 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
317 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
318 | #define array_free_microshit(stem) \ |
|
|
319 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
236 | |
320 | |
237 | #define array_free(stem, idx) \ |
321 | #define array_free(stem, idx) \ |
238 | free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
322 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
239 | |
323 | |
240 | /*****************************************************************************/ |
324 | /*****************************************************************************/ |
241 | |
325 | |
242 | static void |
326 | static void |
243 | anfds_init (ANFD *base, int count) |
327 | anfds_init (ANFD *base, int count) |
… | |
… | |
250 | |
334 | |
251 | ++base; |
335 | ++base; |
252 | } |
336 | } |
253 | } |
337 | } |
254 | |
338 | |
255 | static void |
339 | void |
256 | event (EV_P_ W w, int events) |
340 | ev_feed_event (EV_P_ void *w, int revents) |
257 | { |
341 | { |
|
|
342 | W w_ = (W)w; |
|
|
343 | |
258 | if (w->pending) |
344 | if (w_->pending) |
259 | { |
345 | { |
260 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
346 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
261 | return; |
347 | return; |
262 | } |
348 | } |
263 | |
349 | |
264 | w->pending = ++pendingcnt [ABSPRI (w)]; |
350 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
265 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
351 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
266 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
352 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
267 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
353 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
268 | } |
354 | } |
269 | |
355 | |
270 | static void |
356 | static void |
271 | queue_events (EV_P_ W *events, int eventcnt, int type) |
357 | queue_events (EV_P_ W *events, int eventcnt, int type) |
272 | { |
358 | { |
273 | int i; |
359 | int i; |
274 | |
360 | |
275 | for (i = 0; i < eventcnt; ++i) |
361 | for (i = 0; i < eventcnt; ++i) |
276 | event (EV_A_ events [i], type); |
362 | ev_feed_event (EV_A_ events [i], type); |
277 | } |
363 | } |
278 | |
364 | |
279 | static void |
365 | inline void |
280 | fd_event (EV_P_ int fd, int events) |
366 | fd_event (EV_P_ int fd, int revents) |
281 | { |
367 | { |
282 | ANFD *anfd = anfds + fd; |
368 | ANFD *anfd = anfds + fd; |
283 | struct ev_io *w; |
369 | struct ev_io *w; |
284 | |
370 | |
285 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
371 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
286 | { |
372 | { |
287 | int ev = w->events & events; |
373 | int ev = w->events & revents; |
288 | |
374 | |
289 | if (ev) |
375 | if (ev) |
290 | event (EV_A_ (W)w, ev); |
376 | ev_feed_event (EV_A_ (W)w, ev); |
291 | } |
377 | } |
|
|
378 | } |
|
|
379 | |
|
|
380 | void |
|
|
381 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
382 | { |
|
|
383 | fd_event (EV_A_ fd, revents); |
292 | } |
384 | } |
293 | |
385 | |
294 | /*****************************************************************************/ |
386 | /*****************************************************************************/ |
295 | |
387 | |
296 | static void |
388 | static void |
… | |
… | |
319 | } |
411 | } |
320 | |
412 | |
321 | static void |
413 | static void |
322 | fd_change (EV_P_ int fd) |
414 | fd_change (EV_P_ int fd) |
323 | { |
415 | { |
324 | if (anfds [fd].reify || fdchangecnt < 0) |
416 | if (anfds [fd].reify) |
325 | return; |
417 | return; |
326 | |
418 | |
327 | anfds [fd].reify = 1; |
419 | anfds [fd].reify = 1; |
328 | |
420 | |
329 | ++fdchangecnt; |
421 | ++fdchangecnt; |
330 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
422 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
331 | fdchanges [fdchangecnt - 1] = fd; |
423 | fdchanges [fdchangecnt - 1] = fd; |
332 | } |
424 | } |
333 | |
425 | |
334 | static void |
426 | static void |
335 | fd_kill (EV_P_ int fd) |
427 | fd_kill (EV_P_ int fd) |
… | |
… | |
337 | struct ev_io *w; |
429 | struct ev_io *w; |
338 | |
430 | |
339 | while ((w = (struct ev_io *)anfds [fd].head)) |
431 | while ((w = (struct ev_io *)anfds [fd].head)) |
340 | { |
432 | { |
341 | ev_io_stop (EV_A_ w); |
433 | ev_io_stop (EV_A_ w); |
342 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
434 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
343 | } |
435 | } |
|
|
436 | } |
|
|
437 | |
|
|
438 | static int |
|
|
439 | fd_valid (int fd) |
|
|
440 | { |
|
|
441 | #ifdef WIN32 |
|
|
442 | return !!win32_get_osfhandle (fd); |
|
|
443 | #else |
|
|
444 | return fcntl (fd, F_GETFD) != -1; |
|
|
445 | #endif |
344 | } |
446 | } |
345 | |
447 | |
346 | /* called on EBADF to verify fds */ |
448 | /* called on EBADF to verify fds */ |
347 | static void |
449 | static void |
348 | fd_ebadf (EV_P) |
450 | fd_ebadf (EV_P) |
349 | { |
451 | { |
350 | int fd; |
452 | int fd; |
351 | |
453 | |
352 | for (fd = 0; fd < anfdmax; ++fd) |
454 | for (fd = 0; fd < anfdmax; ++fd) |
353 | if (anfds [fd].events) |
455 | if (anfds [fd].events) |
354 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
456 | if (!fd_valid (fd) == -1 && errno == EBADF) |
355 | fd_kill (EV_A_ fd); |
457 | fd_kill (EV_A_ fd); |
356 | } |
458 | } |
357 | |
459 | |
358 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
460 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
359 | static void |
461 | static void |
… | |
… | |
362 | int fd; |
464 | int fd; |
363 | |
465 | |
364 | for (fd = anfdmax; fd--; ) |
466 | for (fd = anfdmax; fd--; ) |
365 | if (anfds [fd].events) |
467 | if (anfds [fd].events) |
366 | { |
468 | { |
367 | close (fd); |
|
|
368 | fd_kill (EV_A_ fd); |
469 | fd_kill (EV_A_ fd); |
369 | return; |
470 | return; |
370 | } |
471 | } |
371 | } |
472 | } |
372 | |
473 | |
373 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
474 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
374 | static void |
475 | static void |
375 | fd_rearm_all (EV_P) |
476 | fd_rearm_all (EV_P) |
376 | { |
477 | { |
377 | int fd; |
478 | int fd; |
378 | |
479 | |
… | |
… | |
426 | |
527 | |
427 | heap [k] = w; |
528 | heap [k] = w; |
428 | ((W)heap [k])->active = k + 1; |
529 | ((W)heap [k])->active = k + 1; |
429 | } |
530 | } |
430 | |
531 | |
|
|
532 | inline void |
|
|
533 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
|
|
534 | { |
|
|
535 | ev_tstamp old_at = heap [k]->at; |
|
|
536 | heap [k]->at = at; |
|
|
537 | |
|
|
538 | if (old_at < at) |
|
|
539 | downheap (heap, N, k); |
|
|
540 | else |
|
|
541 | upheap (heap, k); |
|
|
542 | } |
|
|
543 | |
431 | /*****************************************************************************/ |
544 | /*****************************************************************************/ |
432 | |
545 | |
433 | typedef struct |
546 | typedef struct |
434 | { |
547 | { |
435 | struct ev_watcher_list *head; |
548 | WL head; |
436 | sig_atomic_t volatile gotsig; |
549 | sig_atomic_t volatile gotsig; |
437 | } ANSIG; |
550 | } ANSIG; |
438 | |
551 | |
439 | static ANSIG *signals; |
552 | static ANSIG *signals; |
440 | static int signalmax; |
553 | static int signalmax; |
… | |
… | |
456 | } |
569 | } |
457 | |
570 | |
458 | static void |
571 | static void |
459 | sighandler (int signum) |
572 | sighandler (int signum) |
460 | { |
573 | { |
|
|
574 | #if WIN32 |
|
|
575 | signal (signum, sighandler); |
|
|
576 | #endif |
|
|
577 | |
461 | signals [signum - 1].gotsig = 1; |
578 | signals [signum - 1].gotsig = 1; |
462 | |
579 | |
463 | if (!gotsig) |
580 | if (!gotsig) |
464 | { |
581 | { |
465 | int old_errno = errno; |
582 | int old_errno = errno; |
466 | gotsig = 1; |
583 | gotsig = 1; |
|
|
584 | #ifdef WIN32 |
|
|
585 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
586 | #else |
467 | write (sigpipe [1], &signum, 1); |
587 | write (sigpipe [1], &signum, 1); |
|
|
588 | #endif |
468 | errno = old_errno; |
589 | errno = old_errno; |
469 | } |
590 | } |
470 | } |
591 | } |
471 | |
592 | |
|
|
593 | void |
|
|
594 | ev_feed_signal_event (EV_P_ int signum) |
|
|
595 | { |
|
|
596 | WL w; |
|
|
597 | |
|
|
598 | #if EV_MULTIPLICITY |
|
|
599 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
|
|
600 | #endif |
|
|
601 | |
|
|
602 | --signum; |
|
|
603 | |
|
|
604 | if (signum < 0 || signum >= signalmax) |
|
|
605 | return; |
|
|
606 | |
|
|
607 | signals [signum].gotsig = 0; |
|
|
608 | |
|
|
609 | for (w = signals [signum].head; w; w = w->next) |
|
|
610 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
611 | } |
|
|
612 | |
472 | static void |
613 | static void |
473 | sigcb (EV_P_ struct ev_io *iow, int revents) |
614 | sigcb (EV_P_ struct ev_io *iow, int revents) |
474 | { |
615 | { |
475 | struct ev_watcher_list *w; |
|
|
476 | int signum; |
616 | int signum; |
477 | |
617 | |
|
|
618 | #ifdef WIN32 |
|
|
619 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
620 | #else |
478 | read (sigpipe [0], &revents, 1); |
621 | read (sigpipe [0], &revents, 1); |
|
|
622 | #endif |
479 | gotsig = 0; |
623 | gotsig = 0; |
480 | |
624 | |
481 | for (signum = signalmax; signum--; ) |
625 | for (signum = signalmax; signum--; ) |
482 | if (signals [signum].gotsig) |
626 | if (signals [signum].gotsig) |
483 | { |
627 | ev_feed_signal_event (EV_A_ signum + 1); |
484 | signals [signum].gotsig = 0; |
|
|
485 | |
|
|
486 | for (w = signals [signum].head; w; w = w->next) |
|
|
487 | event (EV_A_ (W)w, EV_SIGNAL); |
|
|
488 | } |
|
|
489 | } |
628 | } |
490 | |
629 | |
491 | static void |
630 | static void |
492 | siginit (EV_P) |
631 | siginit (EV_P) |
493 | { |
632 | { |
… | |
… | |
505 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
644 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
506 | } |
645 | } |
507 | |
646 | |
508 | /*****************************************************************************/ |
647 | /*****************************************************************************/ |
509 | |
648 | |
|
|
649 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
650 | |
510 | #ifndef WIN32 |
651 | #ifndef WIN32 |
511 | |
652 | |
512 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
513 | static struct ev_signal childev; |
653 | static struct ev_signal childev; |
514 | |
654 | |
515 | #ifndef WCONTINUED |
655 | #ifndef WCONTINUED |
516 | # define WCONTINUED 0 |
656 | # define WCONTINUED 0 |
517 | #endif |
657 | #endif |
… | |
… | |
525 | if (w->pid == pid || !w->pid) |
665 | if (w->pid == pid || !w->pid) |
526 | { |
666 | { |
527 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
667 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
528 | w->rpid = pid; |
668 | w->rpid = pid; |
529 | w->rstatus = status; |
669 | w->rstatus = status; |
530 | event (EV_A_ (W)w, EV_CHILD); |
670 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
531 | } |
671 | } |
532 | } |
672 | } |
533 | |
673 | |
534 | static void |
674 | static void |
535 | childcb (EV_P_ struct ev_signal *sw, int revents) |
675 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
537 | int pid, status; |
677 | int pid, status; |
538 | |
678 | |
539 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
679 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
540 | { |
680 | { |
541 | /* make sure we are called again until all childs have been reaped */ |
681 | /* make sure we are called again until all childs have been reaped */ |
542 | event (EV_A_ (W)sw, EV_SIGNAL); |
682 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
543 | |
683 | |
544 | child_reap (EV_A_ sw, pid, pid, status); |
684 | child_reap (EV_A_ sw, pid, pid, status); |
545 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
685 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
546 | } |
686 | } |
547 | } |
687 | } |
… | |
… | |
604 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
744 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
605 | have_monotonic = 1; |
745 | have_monotonic = 1; |
606 | } |
746 | } |
607 | #endif |
747 | #endif |
608 | |
748 | |
609 | rt_now = ev_time (); |
749 | ev_rt_now = ev_time (); |
610 | mn_now = get_clock (); |
750 | mn_now = get_clock (); |
611 | now_floor = mn_now; |
751 | now_floor = mn_now; |
612 | rtmn_diff = rt_now - mn_now; |
752 | rtmn_diff = ev_rt_now - mn_now; |
613 | |
753 | |
614 | if (methods == EVMETHOD_AUTO) |
754 | if (methods == EVMETHOD_AUTO) |
615 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
755 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
616 | methods = atoi (getenv ("LIBEV_METHODS")); |
756 | methods = atoi (getenv ("LIBEV_METHODS")); |
617 | else |
757 | else |
… | |
… | |
631 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
771 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
632 | #endif |
772 | #endif |
633 | #if EV_USE_SELECT |
773 | #if EV_USE_SELECT |
634 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
774 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
635 | #endif |
775 | #endif |
|
|
776 | |
|
|
777 | ev_init (&sigev, sigcb); |
|
|
778 | ev_set_priority (&sigev, EV_MAXPRI); |
636 | } |
779 | } |
637 | } |
780 | } |
638 | |
781 | |
639 | void |
782 | void |
640 | loop_destroy (EV_P) |
783 | loop_destroy (EV_P) |
… | |
… | |
658 | #endif |
801 | #endif |
659 | |
802 | |
660 | for (i = NUMPRI; i--; ) |
803 | for (i = NUMPRI; i--; ) |
661 | array_free (pending, [i]); |
804 | array_free (pending, [i]); |
662 | |
805 | |
|
|
806 | /* have to use the microsoft-never-gets-it-right macro */ |
663 | array_free (fdchange, ); |
807 | array_free_microshit (fdchange); |
664 | array_free (timer, ); |
808 | array_free_microshit (timer); |
|
|
809 | #if EV_PERIODICS |
665 | array_free (periodic, ); |
810 | array_free_microshit (periodic); |
|
|
811 | #endif |
666 | array_free (idle, ); |
812 | array_free_microshit (idle); |
667 | array_free (prepare, ); |
813 | array_free_microshit (prepare); |
668 | array_free (check, ); |
814 | array_free_microshit (check); |
669 | |
815 | |
670 | method = 0; |
816 | method = 0; |
671 | /*TODO*/ |
|
|
672 | } |
817 | } |
673 | |
818 | |
674 | void |
819 | static void |
675 | loop_fork (EV_P) |
820 | loop_fork (EV_P) |
676 | { |
821 | { |
677 | /*TODO*/ |
|
|
678 | #if EV_USE_EPOLL |
822 | #if EV_USE_EPOLL |
679 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
823 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
680 | #endif |
824 | #endif |
681 | #if EV_USE_KQUEUE |
825 | #if EV_USE_KQUEUE |
682 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
826 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
683 | #endif |
827 | #endif |
|
|
828 | |
|
|
829 | if (ev_is_active (&sigev)) |
|
|
830 | { |
|
|
831 | /* default loop */ |
|
|
832 | |
|
|
833 | ev_ref (EV_A); |
|
|
834 | ev_io_stop (EV_A_ &sigev); |
|
|
835 | close (sigpipe [0]); |
|
|
836 | close (sigpipe [1]); |
|
|
837 | |
|
|
838 | while (pipe (sigpipe)) |
|
|
839 | syserr ("(libev) error creating pipe"); |
|
|
840 | |
|
|
841 | siginit (EV_A); |
|
|
842 | } |
|
|
843 | |
|
|
844 | postfork = 0; |
684 | } |
845 | } |
685 | |
846 | |
686 | #if EV_MULTIPLICITY |
847 | #if EV_MULTIPLICITY |
687 | struct ev_loop * |
848 | struct ev_loop * |
688 | ev_loop_new (int methods) |
849 | ev_loop_new (int methods) |
689 | { |
850 | { |
690 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
851 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
|
|
852 | |
|
|
853 | memset (loop, 0, sizeof (struct ev_loop)); |
691 | |
854 | |
692 | loop_init (EV_A_ methods); |
855 | loop_init (EV_A_ methods); |
693 | |
856 | |
694 | if (ev_method (EV_A)) |
857 | if (ev_method (EV_A)) |
695 | return loop; |
858 | return loop; |
… | |
… | |
699 | |
862 | |
700 | void |
863 | void |
701 | ev_loop_destroy (EV_P) |
864 | ev_loop_destroy (EV_P) |
702 | { |
865 | { |
703 | loop_destroy (EV_A); |
866 | loop_destroy (EV_A); |
704 | free (loop); |
867 | ev_free (loop); |
705 | } |
868 | } |
706 | |
869 | |
707 | void |
870 | void |
708 | ev_loop_fork (EV_P) |
871 | ev_loop_fork (EV_P) |
709 | { |
872 | { |
710 | loop_fork (EV_A); |
873 | postfork = 1; |
711 | } |
874 | } |
712 | |
875 | |
713 | #endif |
876 | #endif |
714 | |
877 | |
715 | #if EV_MULTIPLICITY |
878 | #if EV_MULTIPLICITY |
716 | struct ev_loop default_loop_struct; |
|
|
717 | static struct ev_loop *default_loop; |
|
|
718 | |
|
|
719 | struct ev_loop * |
879 | struct ev_loop * |
720 | #else |
880 | #else |
721 | static int default_loop; |
|
|
722 | |
|
|
723 | int |
881 | int |
724 | #endif |
882 | #endif |
725 | ev_default_loop (int methods) |
883 | ev_default_loop (int methods) |
726 | { |
884 | { |
727 | if (sigpipe [0] == sigpipe [1]) |
885 | if (sigpipe [0] == sigpipe [1]) |
… | |
… | |
738 | |
896 | |
739 | loop_init (EV_A_ methods); |
897 | loop_init (EV_A_ methods); |
740 | |
898 | |
741 | if (ev_method (EV_A)) |
899 | if (ev_method (EV_A)) |
742 | { |
900 | { |
743 | ev_watcher_init (&sigev, sigcb); |
|
|
744 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
745 | siginit (EV_A); |
901 | siginit (EV_A); |
746 | |
902 | |
747 | #ifndef WIN32 |
903 | #ifndef WIN32 |
748 | ev_signal_init (&childev, childcb, SIGCHLD); |
904 | ev_signal_init (&childev, childcb, SIGCHLD); |
749 | ev_set_priority (&childev, EV_MAXPRI); |
905 | ev_set_priority (&childev, EV_MAXPRI); |
… | |
… | |
763 | { |
919 | { |
764 | #if EV_MULTIPLICITY |
920 | #if EV_MULTIPLICITY |
765 | struct ev_loop *loop = default_loop; |
921 | struct ev_loop *loop = default_loop; |
766 | #endif |
922 | #endif |
767 | |
923 | |
|
|
924 | #ifndef WIN32 |
768 | ev_ref (EV_A); /* child watcher */ |
925 | ev_ref (EV_A); /* child watcher */ |
769 | ev_signal_stop (EV_A_ &childev); |
926 | ev_signal_stop (EV_A_ &childev); |
|
|
927 | #endif |
770 | |
928 | |
771 | ev_ref (EV_A); /* signal watcher */ |
929 | ev_ref (EV_A); /* signal watcher */ |
772 | ev_io_stop (EV_A_ &sigev); |
930 | ev_io_stop (EV_A_ &sigev); |
773 | |
931 | |
774 | close (sigpipe [0]); sigpipe [0] = 0; |
932 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
782 | { |
940 | { |
783 | #if EV_MULTIPLICITY |
941 | #if EV_MULTIPLICITY |
784 | struct ev_loop *loop = default_loop; |
942 | struct ev_loop *loop = default_loop; |
785 | #endif |
943 | #endif |
786 | |
944 | |
787 | loop_fork (EV_A); |
945 | if (method) |
788 | |
946 | postfork = 1; |
789 | ev_io_stop (EV_A_ &sigev); |
|
|
790 | close (sigpipe [0]); |
|
|
791 | close (sigpipe [1]); |
|
|
792 | pipe (sigpipe); |
|
|
793 | |
|
|
794 | ev_ref (EV_A); /* signal watcher */ |
|
|
795 | siginit (EV_A); |
|
|
796 | } |
947 | } |
797 | |
948 | |
798 | /*****************************************************************************/ |
949 | /*****************************************************************************/ |
|
|
950 | |
|
|
951 | static int |
|
|
952 | any_pending (EV_P) |
|
|
953 | { |
|
|
954 | int pri; |
|
|
955 | |
|
|
956 | for (pri = NUMPRI; pri--; ) |
|
|
957 | if (pendingcnt [pri]) |
|
|
958 | return 1; |
|
|
959 | |
|
|
960 | return 0; |
|
|
961 | } |
799 | |
962 | |
800 | static void |
963 | static void |
801 | call_pending (EV_P) |
964 | call_pending (EV_P) |
802 | { |
965 | { |
803 | int pri; |
966 | int pri; |
… | |
… | |
808 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
971 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
809 | |
972 | |
810 | if (p->w) |
973 | if (p->w) |
811 | { |
974 | { |
812 | p->w->pending = 0; |
975 | p->w->pending = 0; |
813 | p->w->cb (EV_A_ p->w, p->events); |
976 | EV_CB_INVOKE (p->w, p->events); |
814 | } |
977 | } |
815 | } |
978 | } |
816 | } |
979 | } |
817 | |
980 | |
818 | static void |
981 | static void |
… | |
… | |
826 | |
989 | |
827 | /* first reschedule or stop timer */ |
990 | /* first reschedule or stop timer */ |
828 | if (w->repeat) |
991 | if (w->repeat) |
829 | { |
992 | { |
830 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
993 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
994 | |
831 | ((WT)w)->at = mn_now + w->repeat; |
995 | ((WT)w)->at += w->repeat; |
|
|
996 | if (((WT)w)->at < mn_now) |
|
|
997 | ((WT)w)->at = mn_now; |
|
|
998 | |
832 | downheap ((WT *)timers, timercnt, 0); |
999 | downheap ((WT *)timers, timercnt, 0); |
833 | } |
1000 | } |
834 | else |
1001 | else |
835 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1002 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
836 | |
1003 | |
837 | event (EV_A_ (W)w, EV_TIMEOUT); |
1004 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
838 | } |
1005 | } |
839 | } |
1006 | } |
840 | |
1007 | |
|
|
1008 | #if EV_PERIODICS |
841 | static void |
1009 | static void |
842 | periodics_reify (EV_P) |
1010 | periodics_reify (EV_P) |
843 | { |
1011 | { |
844 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1012 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
845 | { |
1013 | { |
846 | struct ev_periodic *w = periodics [0]; |
1014 | struct ev_periodic *w = periodics [0]; |
847 | |
1015 | |
848 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1016 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
849 | |
1017 | |
850 | /* first reschedule or stop timer */ |
1018 | /* first reschedule or stop timer */ |
851 | if (w->interval) |
1019 | if (w->reschedule_cb) |
852 | { |
1020 | { |
|
|
1021 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1022 | |
|
|
1023 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1024 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1025 | } |
|
|
1026 | else if (w->interval) |
|
|
1027 | { |
853 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1028 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
854 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1029 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
855 | downheap ((WT *)periodics, periodiccnt, 0); |
1030 | downheap ((WT *)periodics, periodiccnt, 0); |
856 | } |
1031 | } |
857 | else |
1032 | else |
858 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1033 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
859 | |
1034 | |
860 | event (EV_A_ (W)w, EV_PERIODIC); |
1035 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
861 | } |
1036 | } |
862 | } |
1037 | } |
863 | |
1038 | |
864 | static void |
1039 | static void |
865 | periodics_reschedule (EV_P) |
1040 | periodics_reschedule (EV_P) |
… | |
… | |
869 | /* adjust periodics after time jump */ |
1044 | /* adjust periodics after time jump */ |
870 | for (i = 0; i < periodiccnt; ++i) |
1045 | for (i = 0; i < periodiccnt; ++i) |
871 | { |
1046 | { |
872 | struct ev_periodic *w = periodics [i]; |
1047 | struct ev_periodic *w = periodics [i]; |
873 | |
1048 | |
|
|
1049 | if (w->reschedule_cb) |
|
|
1050 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
874 | if (w->interval) |
1051 | else if (w->interval) |
875 | { |
|
|
876 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1052 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
877 | |
|
|
878 | if (fabs (diff) >= 1e-4) |
|
|
879 | { |
|
|
880 | ev_periodic_stop (EV_A_ w); |
|
|
881 | ev_periodic_start (EV_A_ w); |
|
|
882 | |
|
|
883 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
884 | } |
|
|
885 | } |
|
|
886 | } |
1053 | } |
|
|
1054 | |
|
|
1055 | /* now rebuild the heap */ |
|
|
1056 | for (i = periodiccnt >> 1; i--; ) |
|
|
1057 | downheap ((WT *)periodics, periodiccnt, i); |
887 | } |
1058 | } |
|
|
1059 | #endif |
888 | |
1060 | |
889 | inline int |
1061 | inline int |
890 | time_update_monotonic (EV_P) |
1062 | time_update_monotonic (EV_P) |
891 | { |
1063 | { |
892 | mn_now = get_clock (); |
1064 | mn_now = get_clock (); |
893 | |
1065 | |
894 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1066 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
895 | { |
1067 | { |
896 | rt_now = rtmn_diff + mn_now; |
1068 | ev_rt_now = rtmn_diff + mn_now; |
897 | return 0; |
1069 | return 0; |
898 | } |
1070 | } |
899 | else |
1071 | else |
900 | { |
1072 | { |
901 | now_floor = mn_now; |
1073 | now_floor = mn_now; |
902 | rt_now = ev_time (); |
1074 | ev_rt_now = ev_time (); |
903 | return 1; |
1075 | return 1; |
904 | } |
1076 | } |
905 | } |
1077 | } |
906 | |
1078 | |
907 | static void |
1079 | static void |
… | |
… | |
916 | { |
1088 | { |
917 | ev_tstamp odiff = rtmn_diff; |
1089 | ev_tstamp odiff = rtmn_diff; |
918 | |
1090 | |
919 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1091 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
920 | { |
1092 | { |
921 | rtmn_diff = rt_now - mn_now; |
1093 | rtmn_diff = ev_rt_now - mn_now; |
922 | |
1094 | |
923 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1095 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
924 | return; /* all is well */ |
1096 | return; /* all is well */ |
925 | |
1097 | |
926 | rt_now = ev_time (); |
1098 | ev_rt_now = ev_time (); |
927 | mn_now = get_clock (); |
1099 | mn_now = get_clock (); |
928 | now_floor = mn_now; |
1100 | now_floor = mn_now; |
929 | } |
1101 | } |
930 | |
1102 | |
|
|
1103 | # if EV_PERIODICS |
931 | periodics_reschedule (EV_A); |
1104 | periodics_reschedule (EV_A); |
|
|
1105 | # endif |
932 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1106 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
933 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1107 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
934 | } |
1108 | } |
935 | } |
1109 | } |
936 | else |
1110 | else |
937 | #endif |
1111 | #endif |
938 | { |
1112 | { |
939 | rt_now = ev_time (); |
1113 | ev_rt_now = ev_time (); |
940 | |
1114 | |
941 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1115 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
942 | { |
1116 | { |
|
|
1117 | #if EV_PERIODICS |
943 | periodics_reschedule (EV_A); |
1118 | periodics_reschedule (EV_A); |
|
|
1119 | #endif |
944 | |
1120 | |
945 | /* adjust timers. this is easy, as the offset is the same for all */ |
1121 | /* adjust timers. this is easy, as the offset is the same for all */ |
946 | for (i = 0; i < timercnt; ++i) |
1122 | for (i = 0; i < timercnt; ++i) |
947 | ((WT)timers [i])->at += rt_now - mn_now; |
1123 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
948 | } |
1124 | } |
949 | |
1125 | |
950 | mn_now = rt_now; |
1126 | mn_now = ev_rt_now; |
951 | } |
1127 | } |
952 | } |
1128 | } |
953 | |
1129 | |
954 | void |
1130 | void |
955 | ev_ref (EV_P) |
1131 | ev_ref (EV_P) |
… | |
… | |
978 | { |
1154 | { |
979 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1155 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
980 | call_pending (EV_A); |
1156 | call_pending (EV_A); |
981 | } |
1157 | } |
982 | |
1158 | |
|
|
1159 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1160 | if (expect_false (postfork)) |
|
|
1161 | loop_fork (EV_A); |
|
|
1162 | |
983 | /* update fd-related kernel structures */ |
1163 | /* update fd-related kernel structures */ |
984 | fd_reify (EV_A); |
1164 | fd_reify (EV_A); |
985 | |
1165 | |
986 | /* calculate blocking time */ |
1166 | /* calculate blocking time */ |
987 | |
1167 | |
988 | /* we only need this for !monotonic clockor timers, but as we basically |
1168 | /* we only need this for !monotonic clock or timers, but as we basically |
989 | always have timers, we just calculate it always */ |
1169 | always have timers, we just calculate it always */ |
990 | #if EV_USE_MONOTONIC |
1170 | #if EV_USE_MONOTONIC |
991 | if (expect_true (have_monotonic)) |
1171 | if (expect_true (have_monotonic)) |
992 | time_update_monotonic (EV_A); |
1172 | time_update_monotonic (EV_A); |
993 | else |
1173 | else |
994 | #endif |
1174 | #endif |
995 | { |
1175 | { |
996 | rt_now = ev_time (); |
1176 | ev_rt_now = ev_time (); |
997 | mn_now = rt_now; |
1177 | mn_now = ev_rt_now; |
998 | } |
1178 | } |
999 | |
1179 | |
1000 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1180 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1001 | block = 0.; |
1181 | block = 0.; |
1002 | else |
1182 | else |
… | |
… | |
1007 | { |
1187 | { |
1008 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1188 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1009 | if (block > to) block = to; |
1189 | if (block > to) block = to; |
1010 | } |
1190 | } |
1011 | |
1191 | |
|
|
1192 | #if EV_PERIODICS |
1012 | if (periodiccnt) |
1193 | if (periodiccnt) |
1013 | { |
1194 | { |
1014 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1195 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1015 | if (block > to) block = to; |
1196 | if (block > to) block = to; |
1016 | } |
1197 | } |
|
|
1198 | #endif |
1017 | |
1199 | |
1018 | if (block < 0.) block = 0.; |
1200 | if (block < 0.) block = 0.; |
1019 | } |
1201 | } |
1020 | |
1202 | |
1021 | method_poll (EV_A_ block); |
1203 | method_poll (EV_A_ block); |
1022 | |
1204 | |
1023 | /* update rt_now, do magic */ |
1205 | /* update ev_rt_now, do magic */ |
1024 | time_update (EV_A); |
1206 | time_update (EV_A); |
1025 | |
1207 | |
1026 | /* queue pending timers and reschedule them */ |
1208 | /* queue pending timers and reschedule them */ |
1027 | timers_reify (EV_A); /* relative timers called last */ |
1209 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1210 | #if EV_PERIODICS |
1028 | periodics_reify (EV_A); /* absolute timers called first */ |
1211 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1212 | #endif |
1029 | |
1213 | |
1030 | /* queue idle watchers unless io or timers are pending */ |
1214 | /* queue idle watchers unless io or timers are pending */ |
1031 | if (!pendingcnt) |
1215 | if (idlecnt && !any_pending (EV_A)) |
1032 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1216 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1033 | |
1217 | |
1034 | /* queue check watchers, to be executed first */ |
1218 | /* queue check watchers, to be executed first */ |
1035 | if (checkcnt) |
1219 | if (checkcnt) |
1036 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1220 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
1111 | return; |
1295 | return; |
1112 | |
1296 | |
1113 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1297 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1114 | |
1298 | |
1115 | ev_start (EV_A_ (W)w, 1); |
1299 | ev_start (EV_A_ (W)w, 1); |
1116 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1300 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1117 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1301 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1118 | |
1302 | |
1119 | fd_change (EV_A_ fd); |
1303 | fd_change (EV_A_ fd); |
1120 | } |
1304 | } |
1121 | |
1305 | |
… | |
… | |
1124 | { |
1308 | { |
1125 | ev_clear_pending (EV_A_ (W)w); |
1309 | ev_clear_pending (EV_A_ (W)w); |
1126 | if (!ev_is_active (w)) |
1310 | if (!ev_is_active (w)) |
1127 | return; |
1311 | return; |
1128 | |
1312 | |
|
|
1313 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1314 | |
1129 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1315 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1130 | ev_stop (EV_A_ (W)w); |
1316 | ev_stop (EV_A_ (W)w); |
1131 | |
1317 | |
1132 | fd_change (EV_A_ w->fd); |
1318 | fd_change (EV_A_ w->fd); |
1133 | } |
1319 | } |
… | |
… | |
1141 | ((WT)w)->at += mn_now; |
1327 | ((WT)w)->at += mn_now; |
1142 | |
1328 | |
1143 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1329 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1144 | |
1330 | |
1145 | ev_start (EV_A_ (W)w, ++timercnt); |
1331 | ev_start (EV_A_ (W)w, ++timercnt); |
1146 | array_needsize (timers, timermax, timercnt, ); |
1332 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1147 | timers [timercnt - 1] = w; |
1333 | timers [timercnt - 1] = w; |
1148 | upheap ((WT *)timers, timercnt - 1); |
1334 | upheap ((WT *)timers, timercnt - 1); |
1149 | |
1335 | |
1150 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1336 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1151 | } |
1337 | } |
… | |
… | |
1163 | { |
1349 | { |
1164 | timers [((W)w)->active - 1] = timers [timercnt]; |
1350 | timers [((W)w)->active - 1] = timers [timercnt]; |
1165 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1351 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1166 | } |
1352 | } |
1167 | |
1353 | |
1168 | ((WT)w)->at = w->repeat; |
1354 | ((WT)w)->at -= mn_now; |
1169 | |
1355 | |
1170 | ev_stop (EV_A_ (W)w); |
1356 | ev_stop (EV_A_ (W)w); |
1171 | } |
1357 | } |
1172 | |
1358 | |
1173 | void |
1359 | void |
1174 | ev_timer_again (EV_P_ struct ev_timer *w) |
1360 | ev_timer_again (EV_P_ struct ev_timer *w) |
1175 | { |
1361 | { |
1176 | if (ev_is_active (w)) |
1362 | if (ev_is_active (w)) |
1177 | { |
1363 | { |
1178 | if (w->repeat) |
1364 | if (w->repeat) |
1179 | { |
|
|
1180 | ((WT)w)->at = mn_now + w->repeat; |
|
|
1181 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1182 | } |
|
|
1183 | else |
1366 | else |
1184 | ev_timer_stop (EV_A_ w); |
1367 | ev_timer_stop (EV_A_ w); |
1185 | } |
1368 | } |
1186 | else if (w->repeat) |
1369 | else if (w->repeat) |
1187 | ev_timer_start (EV_A_ w); |
1370 | ev_timer_start (EV_A_ w); |
1188 | } |
1371 | } |
1189 | |
1372 | |
|
|
1373 | #if EV_PERIODICS |
1190 | void |
1374 | void |
1191 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1375 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1192 | { |
1376 | { |
1193 | if (ev_is_active (w)) |
1377 | if (ev_is_active (w)) |
1194 | return; |
1378 | return; |
1195 | |
1379 | |
|
|
1380 | if (w->reschedule_cb) |
|
|
1381 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1382 | else if (w->interval) |
|
|
1383 | { |
1196 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1384 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1197 | |
|
|
1198 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1385 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1199 | if (w->interval) |
|
|
1200 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1386 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1387 | } |
1201 | |
1388 | |
1202 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1389 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1203 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1390 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1204 | periodics [periodiccnt - 1] = w; |
1391 | periodics [periodiccnt - 1] = w; |
1205 | upheap ((WT *)periodics, periodiccnt - 1); |
1392 | upheap ((WT *)periodics, periodiccnt - 1); |
1206 | |
1393 | |
1207 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1394 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1208 | } |
1395 | } |
… | |
… | |
1224 | |
1411 | |
1225 | ev_stop (EV_A_ (W)w); |
1412 | ev_stop (EV_A_ (W)w); |
1226 | } |
1413 | } |
1227 | |
1414 | |
1228 | void |
1415 | void |
|
|
1416 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1417 | { |
|
|
1418 | /* TODO: use adjustheap and recalculation */ |
|
|
1419 | ev_periodic_stop (EV_A_ w); |
|
|
1420 | ev_periodic_start (EV_A_ w); |
|
|
1421 | } |
|
|
1422 | #endif |
|
|
1423 | |
|
|
1424 | void |
1229 | ev_idle_start (EV_P_ struct ev_idle *w) |
1425 | ev_idle_start (EV_P_ struct ev_idle *w) |
1230 | { |
1426 | { |
1231 | if (ev_is_active (w)) |
1427 | if (ev_is_active (w)) |
1232 | return; |
1428 | return; |
1233 | |
1429 | |
1234 | ev_start (EV_A_ (W)w, ++idlecnt); |
1430 | ev_start (EV_A_ (W)w, ++idlecnt); |
1235 | array_needsize (idles, idlemax, idlecnt, ); |
1431 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1236 | idles [idlecnt - 1] = w; |
1432 | idles [idlecnt - 1] = w; |
1237 | } |
1433 | } |
1238 | |
1434 | |
1239 | void |
1435 | void |
1240 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1436 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1241 | { |
1437 | { |
1242 | ev_clear_pending (EV_A_ (W)w); |
1438 | ev_clear_pending (EV_A_ (W)w); |
1243 | if (ev_is_active (w)) |
1439 | if (!ev_is_active (w)) |
1244 | return; |
1440 | return; |
1245 | |
1441 | |
1246 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1442 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1247 | ev_stop (EV_A_ (W)w); |
1443 | ev_stop (EV_A_ (W)w); |
1248 | } |
1444 | } |
… | |
… | |
1252 | { |
1448 | { |
1253 | if (ev_is_active (w)) |
1449 | if (ev_is_active (w)) |
1254 | return; |
1450 | return; |
1255 | |
1451 | |
1256 | ev_start (EV_A_ (W)w, ++preparecnt); |
1452 | ev_start (EV_A_ (W)w, ++preparecnt); |
1257 | array_needsize (prepares, preparemax, preparecnt, ); |
1453 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1258 | prepares [preparecnt - 1] = w; |
1454 | prepares [preparecnt - 1] = w; |
1259 | } |
1455 | } |
1260 | |
1456 | |
1261 | void |
1457 | void |
1262 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1458 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1263 | { |
1459 | { |
1264 | ev_clear_pending (EV_A_ (W)w); |
1460 | ev_clear_pending (EV_A_ (W)w); |
1265 | if (ev_is_active (w)) |
1461 | if (!ev_is_active (w)) |
1266 | return; |
1462 | return; |
1267 | |
1463 | |
1268 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1464 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1269 | ev_stop (EV_A_ (W)w); |
1465 | ev_stop (EV_A_ (W)w); |
1270 | } |
1466 | } |
… | |
… | |
1274 | { |
1470 | { |
1275 | if (ev_is_active (w)) |
1471 | if (ev_is_active (w)) |
1276 | return; |
1472 | return; |
1277 | |
1473 | |
1278 | ev_start (EV_A_ (W)w, ++checkcnt); |
1474 | ev_start (EV_A_ (W)w, ++checkcnt); |
1279 | array_needsize (checks, checkmax, checkcnt, ); |
1475 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1280 | checks [checkcnt - 1] = w; |
1476 | checks [checkcnt - 1] = w; |
1281 | } |
1477 | } |
1282 | |
1478 | |
1283 | void |
1479 | void |
1284 | ev_check_stop (EV_P_ struct ev_check *w) |
1480 | ev_check_stop (EV_P_ struct ev_check *w) |
1285 | { |
1481 | { |
1286 | ev_clear_pending (EV_A_ (W)w); |
1482 | ev_clear_pending (EV_A_ (W)w); |
1287 | if (ev_is_active (w)) |
1483 | if (!ev_is_active (w)) |
1288 | return; |
1484 | return; |
1289 | |
1485 | |
1290 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1486 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1291 | ev_stop (EV_A_ (W)w); |
1487 | ev_stop (EV_A_ (W)w); |
1292 | } |
1488 | } |
… | |
… | |
1305 | return; |
1501 | return; |
1306 | |
1502 | |
1307 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1503 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1308 | |
1504 | |
1309 | ev_start (EV_A_ (W)w, 1); |
1505 | ev_start (EV_A_ (W)w, 1); |
1310 | array_needsize (signals, signalmax, w->signum, signals_init); |
1506 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1311 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1507 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1312 | |
1508 | |
1313 | if (!((WL)w)->next) |
1509 | if (!((WL)w)->next) |
1314 | { |
1510 | { |
|
|
1511 | #if WIN32 |
|
|
1512 | signal (w->signum, sighandler); |
|
|
1513 | #else |
1315 | struct sigaction sa; |
1514 | struct sigaction sa; |
1316 | sa.sa_handler = sighandler; |
1515 | sa.sa_handler = sighandler; |
1317 | sigfillset (&sa.sa_mask); |
1516 | sigfillset (&sa.sa_mask); |
1318 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1517 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1319 | sigaction (w->signum, &sa, 0); |
1518 | sigaction (w->signum, &sa, 0); |
|
|
1519 | #endif |
1320 | } |
1520 | } |
1321 | } |
1521 | } |
1322 | |
1522 | |
1323 | void |
1523 | void |
1324 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1524 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1374 | void (*cb)(int revents, void *arg) = once->cb; |
1574 | void (*cb)(int revents, void *arg) = once->cb; |
1375 | void *arg = once->arg; |
1575 | void *arg = once->arg; |
1376 | |
1576 | |
1377 | ev_io_stop (EV_A_ &once->io); |
1577 | ev_io_stop (EV_A_ &once->io); |
1378 | ev_timer_stop (EV_A_ &once->to); |
1578 | ev_timer_stop (EV_A_ &once->to); |
1379 | free (once); |
1579 | ev_free (once); |
1380 | |
1580 | |
1381 | cb (revents, arg); |
1581 | cb (revents, arg); |
1382 | } |
1582 | } |
1383 | |
1583 | |
1384 | static void |
1584 | static void |
… | |
… | |
1394 | } |
1594 | } |
1395 | |
1595 | |
1396 | void |
1596 | void |
1397 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1597 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1398 | { |
1598 | { |
1399 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1599 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1400 | |
1600 | |
1401 | if (!once) |
1601 | if (!once) |
1402 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1602 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1403 | else |
1603 | else |
1404 | { |
1604 | { |
1405 | once->cb = cb; |
1605 | once->cb = cb; |
1406 | once->arg = arg; |
1606 | once->arg = arg; |
1407 | |
1607 | |
1408 | ev_watcher_init (&once->io, once_cb_io); |
1608 | ev_init (&once->io, once_cb_io); |
1409 | if (fd >= 0) |
1609 | if (fd >= 0) |
1410 | { |
1610 | { |
1411 | ev_io_set (&once->io, fd, events); |
1611 | ev_io_set (&once->io, fd, events); |
1412 | ev_io_start (EV_A_ &once->io); |
1612 | ev_io_start (EV_A_ &once->io); |
1413 | } |
1613 | } |
1414 | |
1614 | |
1415 | ev_watcher_init (&once->to, once_cb_to); |
1615 | ev_init (&once->to, once_cb_to); |
1416 | if (timeout >= 0.) |
1616 | if (timeout >= 0.) |
1417 | { |
1617 | { |
1418 | ev_timer_set (&once->to, timeout, 0.); |
1618 | ev_timer_set (&once->to, timeout, 0.); |
1419 | ev_timer_start (EV_A_ &once->to); |
1619 | ev_timer_start (EV_A_ &once->to); |
1420 | } |
1620 | } |
1421 | } |
1621 | } |
1422 | } |
1622 | } |
1423 | |
1623 | |
|
|
1624 | #ifdef __cplusplus |
|
|
1625 | } |
|
|
1626 | #endif |
|
|
1627 | |