… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
43 | # ifndef EV_USE_REALTIME |
47 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
45 | # endif |
49 | # endif |
|
|
50 | # else |
|
|
51 | # ifndef EV_USE_MONOTONIC |
|
|
52 | # define EV_USE_MONOTONIC 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_REALTIME |
|
|
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
46 | # endif |
57 | # endif |
47 | |
58 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
50 | # endif |
65 | # endif |
51 | |
66 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
54 | # endif |
73 | # endif |
55 | |
74 | |
56 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
75 | # ifndef EV_USE_EPOLL |
|
|
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
57 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
58 | # endif |
81 | # endif |
59 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
62 | # endif |
97 | # endif |
63 | |
98 | |
64 | #endif |
99 | #endif |
65 | |
100 | |
66 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
75 | #include <sys/types.h> |
110 | #include <sys/types.h> |
76 | #include <time.h> |
111 | #include <time.h> |
77 | |
112 | |
78 | #include <signal.h> |
113 | #include <signal.h> |
79 | |
114 | |
80 | #ifndef WIN32 |
115 | #ifndef _WIN32 |
81 | # include <unistd.h> |
116 | # include <unistd.h> |
82 | # include <sys/time.h> |
117 | # include <sys/time.h> |
83 | # include <sys/wait.h> |
118 | # include <sys/wait.h> |
|
|
119 | #else |
|
|
120 | # define WIN32_LEAN_AND_MEAN |
|
|
121 | # include <windows.h> |
|
|
122 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
123 | # define EV_SELECT_IS_WINSOCKET 1 |
84 | #endif |
124 | # endif |
|
|
125 | #endif |
|
|
126 | |
85 | /**/ |
127 | /**/ |
86 | |
128 | |
87 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
88 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | #ifndef EV_USE_REALTIME |
|
|
134 | # define EV_USE_REALTIME 0 |
89 | #endif |
135 | #endif |
90 | |
136 | |
91 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
92 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
93 | #endif |
139 | #endif |
94 | |
140 | |
95 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
96 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
142 | # ifdef _WIN32 |
|
|
143 | # define EV_USE_POLL 0 |
|
|
144 | # else |
|
|
145 | # define EV_USE_POLL 1 |
|
|
146 | # endif |
97 | #endif |
147 | #endif |
98 | |
148 | |
99 | #ifndef EV_USE_EPOLL |
149 | #ifndef EV_USE_EPOLL |
100 | # define EV_USE_EPOLL 0 |
150 | # define EV_USE_EPOLL 0 |
101 | #endif |
151 | #endif |
102 | |
152 | |
103 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
104 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
105 | #endif |
155 | #endif |
106 | |
156 | |
107 | #ifndef EV_USE_WIN32 |
|
|
108 | # ifdef WIN32 |
|
|
109 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
110 | # undef EV_USE_SELECT |
|
|
111 | # define EV_USE_SELECT 1 |
|
|
112 | # else |
|
|
113 | # define EV_USE_WIN32 0 |
|
|
114 | # endif |
|
|
115 | #endif |
|
|
116 | |
|
|
117 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
118 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
119 | #endif |
159 | #endif |
120 | |
160 | |
121 | /**/ |
161 | /**/ |
122 | |
162 | |
123 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
128 | #ifndef CLOCK_REALTIME |
168 | #ifndef CLOCK_REALTIME |
129 | # undef EV_USE_REALTIME |
169 | # undef EV_USE_REALTIME |
130 | # define EV_USE_REALTIME 0 |
170 | # define EV_USE_REALTIME 0 |
131 | #endif |
171 | #endif |
132 | |
172 | |
|
|
173 | #if EV_SELECT_IS_WINSOCKET |
|
|
174 | # include <winsock.h> |
|
|
175 | #endif |
|
|
176 | |
133 | /**/ |
177 | /**/ |
134 | |
178 | |
135 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
136 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
137 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
138 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
139 | |
183 | |
140 | #ifdef EV_H |
184 | #ifdef EV_H |
141 | # include EV_H |
185 | # include EV_H |
142 | #else |
186 | #else |
143 | # include "ev.h" |
187 | # include "ev.h" |
144 | #endif |
188 | #endif |
145 | |
189 | |
146 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
147 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
148 | # define inline inline |
192 | # define inline static inline |
149 | #else |
193 | #else |
150 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
151 | # define inline static |
195 | # define inline static |
152 | #endif |
196 | #endif |
153 | |
197 | |
… | |
… | |
155 | #define expect_true(expr) expect ((expr) != 0, 1) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
156 | |
200 | |
157 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
158 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
159 | |
203 | |
|
|
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
206 | |
160 | typedef struct ev_watcher *W; |
207 | typedef struct ev_watcher *W; |
161 | typedef struct ev_watcher_list *WL; |
208 | typedef struct ev_watcher_list *WL; |
162 | typedef struct ev_watcher_time *WT; |
209 | typedef struct ev_watcher_time *WT; |
163 | |
210 | |
164 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
165 | |
212 | |
166 | #ifdef WIN32 |
213 | #ifdef _WIN32 |
167 | # include "ev_win32.c" |
214 | # include "ev_win32.c" |
168 | #endif |
215 | #endif |
169 | |
216 | |
170 | /*****************************************************************************/ |
217 | /*****************************************************************************/ |
171 | |
218 | |
… | |
… | |
220 | typedef struct |
267 | typedef struct |
221 | { |
268 | { |
222 | WL head; |
269 | WL head; |
223 | unsigned char events; |
270 | unsigned char events; |
224 | unsigned char reify; |
271 | unsigned char reify; |
|
|
272 | #if EV_SELECT_IS_WINSOCKET |
|
|
273 | SOCKET handle; |
|
|
274 | #endif |
225 | } ANFD; |
275 | } ANFD; |
226 | |
276 | |
227 | typedef struct |
277 | typedef struct |
228 | { |
278 | { |
229 | W w; |
279 | W w; |
… | |
… | |
233 | #if EV_MULTIPLICITY |
283 | #if EV_MULTIPLICITY |
234 | |
284 | |
235 | struct ev_loop |
285 | struct ev_loop |
236 | { |
286 | { |
237 | ev_tstamp ev_rt_now; |
287 | ev_tstamp ev_rt_now; |
|
|
288 | #define ev_rt_now ((loop)->ev_rt_now) |
238 | #define VAR(name,decl) decl; |
289 | #define VAR(name,decl) decl; |
239 | #include "ev_vars.h" |
290 | #include "ev_vars.h" |
240 | #undef VAR |
291 | #undef VAR |
241 | }; |
292 | }; |
242 | #include "ev_wrap.h" |
293 | #include "ev_wrap.h" |
243 | |
294 | |
244 | struct ev_loop default_loop_struct; |
295 | static struct ev_loop default_loop_struct; |
245 | static struct ev_loop *default_loop; |
296 | struct ev_loop *ev_default_loop_ptr; |
246 | |
297 | |
247 | #else |
298 | #else |
248 | |
299 | |
249 | ev_tstamp ev_rt_now; |
300 | ev_tstamp ev_rt_now; |
250 | #define VAR(name,decl) static decl; |
301 | #define VAR(name,decl) static decl; |
251 | #include "ev_vars.h" |
302 | #include "ev_vars.h" |
252 | #undef VAR |
303 | #undef VAR |
253 | |
304 | |
254 | static int default_loop; |
305 | static int ev_default_loop_ptr; |
255 | |
306 | |
256 | #endif |
307 | #endif |
257 | |
308 | |
258 | /*****************************************************************************/ |
309 | /*****************************************************************************/ |
259 | |
310 | |
… | |
… | |
292 | { |
343 | { |
293 | return ev_rt_now; |
344 | return ev_rt_now; |
294 | } |
345 | } |
295 | #endif |
346 | #endif |
296 | |
347 | |
297 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
298 | |
349 | |
299 | #define array_needsize(type,base,cur,cnt,init) \ |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
300 | if (expect_false ((cnt) > cur)) \ |
351 | if (expect_false ((cnt) > cur)) \ |
301 | { \ |
352 | { \ |
302 | int newcnt = cur; \ |
353 | int newcnt = cur; \ |
… | |
… | |
317 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
368 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
318 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
369 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
319 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
370 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
320 | } |
371 | } |
321 | |
372 | |
322 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
323 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
324 | #define array_free_microshit(stem) \ |
|
|
325 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
326 | |
|
|
327 | #define array_free(stem, idx) \ |
373 | #define array_free(stem, idx) \ |
328 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
329 | |
375 | |
330 | /*****************************************************************************/ |
376 | /*****************************************************************************/ |
331 | |
377 | |
… | |
… | |
345 | void |
391 | void |
346 | ev_feed_event (EV_P_ void *w, int revents) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
347 | { |
393 | { |
348 | W w_ = (W)w; |
394 | W w_ = (W)w; |
349 | |
395 | |
350 | if (w_->pending) |
396 | if (expect_false (w_->pending)) |
351 | { |
397 | { |
352 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
353 | return; |
399 | return; |
354 | } |
400 | } |
355 | |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
356 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
357 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
358 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
359 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
360 | } |
409 | } |
361 | |
410 | |
362 | static void |
411 | static void |
… | |
… | |
389 | fd_event (EV_A_ fd, revents); |
438 | fd_event (EV_A_ fd, revents); |
390 | } |
439 | } |
391 | |
440 | |
392 | /*****************************************************************************/ |
441 | /*****************************************************************************/ |
393 | |
442 | |
394 | static void |
443 | inline void |
395 | fd_reify (EV_P) |
444 | fd_reify (EV_P) |
396 | { |
445 | { |
397 | int i; |
446 | int i; |
398 | |
447 | |
399 | for (i = 0; i < fdchangecnt; ++i) |
448 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
405 | int events = 0; |
454 | int events = 0; |
406 | |
455 | |
407 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
456 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
408 | events |= w->events; |
457 | events |= w->events; |
409 | |
458 | |
|
|
459 | #if EV_SELECT_IS_WINSOCKET |
|
|
460 | if (events) |
|
|
461 | { |
|
|
462 | unsigned long argp; |
|
|
463 | anfd->handle = _get_osfhandle (fd); |
|
|
464 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
465 | } |
|
|
466 | #endif |
|
|
467 | |
410 | anfd->reify = 0; |
468 | anfd->reify = 0; |
411 | |
469 | |
412 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
413 | anfd->events = events; |
471 | anfd->events = events; |
414 | } |
472 | } |
415 | |
473 | |
416 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
417 | } |
475 | } |
418 | |
476 | |
419 | static void |
477 | static void |
420 | fd_change (EV_P_ int fd) |
478 | fd_change (EV_P_ int fd) |
421 | { |
479 | { |
422 | if (anfds [fd].reify) |
480 | if (expect_false (anfds [fd].reify)) |
423 | return; |
481 | return; |
424 | |
482 | |
425 | anfds [fd].reify = 1; |
483 | anfds [fd].reify = 1; |
426 | |
484 | |
427 | ++fdchangecnt; |
485 | ++fdchangecnt; |
428 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
486 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
429 | fdchanges [fdchangecnt - 1] = fd; |
487 | fdchanges [fdchangecnt - 1] = fd; |
430 | } |
488 | } |
431 | |
489 | |
432 | static void |
490 | static void |
433 | fd_kill (EV_P_ int fd) |
491 | fd_kill (EV_P_ int fd) |
… | |
… | |
439 | ev_io_stop (EV_A_ w); |
497 | ev_io_stop (EV_A_ w); |
440 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
498 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
441 | } |
499 | } |
442 | } |
500 | } |
443 | |
501 | |
444 | static int |
502 | inline int |
445 | fd_valid (int fd) |
503 | fd_valid (int fd) |
446 | { |
504 | { |
447 | #ifdef WIN32 |
505 | #ifdef _WIN32 |
448 | return !!win32_get_osfhandle (fd); |
506 | return _get_osfhandle (fd) != -1; |
449 | #else |
507 | #else |
450 | return fcntl (fd, F_GETFD) != -1; |
508 | return fcntl (fd, F_GETFD) != -1; |
451 | #endif |
509 | #endif |
452 | } |
510 | } |
453 | |
511 | |
… | |
… | |
475 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
476 | return; |
534 | return; |
477 | } |
535 | } |
478 | } |
536 | } |
479 | |
537 | |
480 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
481 | static void |
539 | static void |
482 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
483 | { |
541 | { |
484 | int fd; |
542 | int fd; |
485 | |
543 | |
… | |
… | |
534 | heap [k] = w; |
592 | heap [k] = w; |
535 | ((W)heap [k])->active = k + 1; |
593 | ((W)heap [k])->active = k + 1; |
536 | } |
594 | } |
537 | |
595 | |
538 | inline void |
596 | inline void |
539 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
597 | adjustheap (WT *heap, int N, int k) |
540 | { |
598 | { |
541 | ev_tstamp old_at = heap [k]->at; |
599 | upheap (heap, k); |
542 | heap [k]->at = at; |
|
|
543 | |
|
|
544 | if (old_at < at) |
|
|
545 | downheap (heap, N, k); |
600 | downheap (heap, N, k); |
546 | else |
|
|
547 | upheap (heap, k); |
|
|
548 | } |
601 | } |
549 | |
602 | |
550 | /*****************************************************************************/ |
603 | /*****************************************************************************/ |
551 | |
604 | |
552 | typedef struct |
605 | typedef struct |
… | |
… | |
575 | } |
628 | } |
576 | |
629 | |
577 | static void |
630 | static void |
578 | sighandler (int signum) |
631 | sighandler (int signum) |
579 | { |
632 | { |
580 | #if WIN32 |
633 | #if _WIN32 |
581 | signal (signum, sighandler); |
634 | signal (signum, sighandler); |
582 | #endif |
635 | #endif |
583 | |
636 | |
584 | signals [signum - 1].gotsig = 1; |
637 | signals [signum - 1].gotsig = 1; |
585 | |
638 | |
586 | if (!gotsig) |
639 | if (!gotsig) |
587 | { |
640 | { |
588 | int old_errno = errno; |
641 | int old_errno = errno; |
589 | gotsig = 1; |
642 | gotsig = 1; |
590 | #ifdef WIN32 |
|
|
591 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
592 | #else |
|
|
593 | write (sigpipe [1], &signum, 1); |
643 | write (sigpipe [1], &signum, 1); |
594 | #endif |
|
|
595 | errno = old_errno; |
644 | errno = old_errno; |
596 | } |
645 | } |
597 | } |
646 | } |
598 | |
647 | |
599 | void |
648 | void |
600 | ev_feed_signal_event (EV_P_ int signum) |
649 | ev_feed_signal_event (EV_P_ int signum) |
601 | { |
650 | { |
602 | WL w; |
651 | WL w; |
603 | |
652 | |
604 | #if EV_MULTIPLICITY |
653 | #if EV_MULTIPLICITY |
605 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
654 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
606 | #endif |
655 | #endif |
607 | |
656 | |
608 | --signum; |
657 | --signum; |
609 | |
658 | |
610 | if (signum < 0 || signum >= signalmax) |
659 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
619 | static void |
668 | static void |
620 | sigcb (EV_P_ struct ev_io *iow, int revents) |
669 | sigcb (EV_P_ struct ev_io *iow, int revents) |
621 | { |
670 | { |
622 | int signum; |
671 | int signum; |
623 | |
672 | |
624 | #ifdef WIN32 |
|
|
625 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
626 | #else |
|
|
627 | read (sigpipe [0], &revents, 1); |
673 | read (sigpipe [0], &revents, 1); |
628 | #endif |
|
|
629 | gotsig = 0; |
674 | gotsig = 0; |
630 | |
675 | |
631 | for (signum = signalmax; signum--; ) |
676 | for (signum = signalmax; signum--; ) |
632 | if (signals [signum].gotsig) |
677 | if (signals [signum].gotsig) |
633 | ev_feed_signal_event (EV_A_ signum + 1); |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
634 | } |
679 | } |
635 | |
680 | |
636 | static void |
681 | static void |
|
|
682 | fd_intern (int fd) |
|
|
683 | { |
|
|
684 | #ifdef _WIN32 |
|
|
685 | int arg = 1; |
|
|
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
687 | #else |
|
|
688 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
689 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
690 | #endif |
|
|
691 | } |
|
|
692 | |
|
|
693 | static void |
637 | siginit (EV_P) |
694 | siginit (EV_P) |
638 | { |
695 | { |
639 | #ifndef WIN32 |
696 | fd_intern (sigpipe [0]); |
640 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
697 | fd_intern (sigpipe [1]); |
641 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
642 | |
|
|
643 | /* rather than sort out wether we really need nb, set it */ |
|
|
644 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
645 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
646 | #endif |
|
|
647 | |
698 | |
648 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
699 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
649 | ev_io_start (EV_A_ &sigev); |
700 | ev_io_start (EV_A_ &sigev); |
650 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
701 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
651 | } |
702 | } |
652 | |
703 | |
653 | /*****************************************************************************/ |
704 | /*****************************************************************************/ |
654 | |
705 | |
655 | static struct ev_child *childs [PID_HASHSIZE]; |
706 | static struct ev_child *childs [PID_HASHSIZE]; |
656 | |
707 | |
657 | #ifndef WIN32 |
708 | #ifndef _WIN32 |
658 | |
709 | |
659 | static struct ev_signal childev; |
710 | static struct ev_signal childev; |
660 | |
711 | |
661 | #ifndef WCONTINUED |
712 | #ifndef WCONTINUED |
662 | # define WCONTINUED 0 |
713 | # define WCONTINUED 0 |
… | |
… | |
683 | int pid, status; |
734 | int pid, status; |
684 | |
735 | |
685 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
686 | { |
737 | { |
687 | /* make sure we are called again until all childs have been reaped */ |
738 | /* make sure we are called again until all childs have been reaped */ |
|
|
739 | /* we need to do it this way so that the callback gets called before we continue */ |
688 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
689 | |
741 | |
690 | child_reap (EV_A_ sw, pid, pid, status); |
742 | child_reap (EV_A_ sw, pid, pid, status); |
691 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
692 | } |
744 | } |
693 | } |
745 | } |
694 | |
746 | |
695 | #endif |
747 | #endif |
696 | |
748 | |
697 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
698 | |
750 | |
|
|
751 | #if EV_USE_PORT |
|
|
752 | # include "ev_port.c" |
|
|
753 | #endif |
699 | #if EV_USE_KQUEUE |
754 | #if EV_USE_KQUEUE |
700 | # include "ev_kqueue.c" |
755 | # include "ev_kqueue.c" |
701 | #endif |
756 | #endif |
702 | #if EV_USE_EPOLL |
757 | #if EV_USE_EPOLL |
703 | # include "ev_epoll.c" |
758 | # include "ev_epoll.c" |
… | |
… | |
723 | |
778 | |
724 | /* return true if we are running with elevated privileges and should ignore env variables */ |
779 | /* return true if we are running with elevated privileges and should ignore env variables */ |
725 | static int |
780 | static int |
726 | enable_secure (void) |
781 | enable_secure (void) |
727 | { |
782 | { |
728 | #ifdef WIN32 |
783 | #ifdef _WIN32 |
729 | return 0; |
784 | return 0; |
730 | #else |
785 | #else |
731 | return getuid () != geteuid () |
786 | return getuid () != geteuid () |
732 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
733 | #endif |
788 | #endif |
734 | } |
789 | } |
735 | |
790 | |
736 | int |
791 | unsigned int |
737 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
738 | { |
793 | { |
739 | return method; |
794 | unsigned int flags = 0; |
740 | } |
|
|
741 | |
795 | |
742 | static void |
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
743 | loop_init (EV_P_ int methods) |
797 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
798 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
799 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
800 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
801 | |
|
|
802 | return flags; |
|
|
803 | } |
|
|
804 | |
|
|
805 | unsigned int |
|
|
806 | ev_recommended_backends (void) |
744 | { |
807 | { |
745 | if (!method) |
808 | unsigned int flags = ev_supported_backends (); |
|
|
809 | |
|
|
810 | #ifndef __NetBSD__ |
|
|
811 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
812 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
813 | flags &= ~EVBACKEND_KQUEUE; |
|
|
814 | #endif |
|
|
815 | #ifdef __APPLE__ |
|
|
816 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
817 | flags &= ~EVBACKEND_POLL; |
|
|
818 | #endif |
|
|
819 | |
|
|
820 | return flags; |
|
|
821 | } |
|
|
822 | |
|
|
823 | unsigned int |
|
|
824 | ev_embeddable_backends (void) |
|
|
825 | { |
|
|
826 | return EVBACKEND_EPOLL |
|
|
827 | | EVBACKEND_KQUEUE |
|
|
828 | | EVBACKEND_PORT; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_backend (EV_P) |
|
|
833 | { |
|
|
834 | return backend; |
|
|
835 | } |
|
|
836 | |
|
|
837 | static void |
|
|
838 | loop_init (EV_P_ unsigned int flags) |
|
|
839 | { |
|
|
840 | if (!backend) |
746 | { |
841 | { |
747 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
748 | { |
843 | { |
749 | struct timespec ts; |
844 | struct timespec ts; |
750 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
755 | ev_rt_now = ev_time (); |
850 | ev_rt_now = ev_time (); |
756 | mn_now = get_clock (); |
851 | mn_now = get_clock (); |
757 | now_floor = mn_now; |
852 | now_floor = mn_now; |
758 | rtmn_diff = ev_rt_now - mn_now; |
853 | rtmn_diff = ev_rt_now - mn_now; |
759 | |
854 | |
760 | if (methods == EVMETHOD_AUTO) |
855 | if (!(flags & EVFLAG_NOENV) |
761 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
856 | && !enable_secure () |
|
|
857 | && getenv ("LIBEV_FLAGS")) |
762 | methods = atoi (getenv ("LIBEV_METHODS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
763 | else |
|
|
764 | methods = EVMETHOD_ANY; |
|
|
765 | |
859 | |
766 | method = 0; |
860 | if (!(flags & 0x0000ffffUL)) |
767 | #if EV_USE_WIN32 |
861 | flags |= ev_recommended_backends (); |
768 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
862 | |
|
|
863 | backend = 0; |
|
|
864 | #if EV_USE_PORT |
|
|
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
769 | #endif |
866 | #endif |
770 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
771 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
772 | #endif |
869 | #endif |
773 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
774 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
775 | #endif |
872 | #endif |
776 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
777 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
778 | #endif |
875 | #endif |
779 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
780 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
781 | #endif |
878 | #endif |
782 | |
879 | |
783 | ev_init (&sigev, sigcb); |
880 | ev_init (&sigev, sigcb); |
784 | ev_set_priority (&sigev, EV_MAXPRI); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
785 | } |
882 | } |
786 | } |
883 | } |
787 | |
884 | |
788 | void |
885 | static void |
789 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
790 | { |
887 | { |
791 | int i; |
888 | int i; |
792 | |
889 | |
793 | #if EV_USE_WIN32 |
890 | #if EV_USE_PORT |
794 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
795 | #endif |
892 | #endif |
796 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
797 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
798 | #endif |
895 | #endif |
799 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
800 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
801 | #endif |
898 | #endif |
802 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
803 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
804 | #endif |
901 | #endif |
805 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
806 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
807 | #endif |
904 | #endif |
808 | |
905 | |
809 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
810 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
811 | |
908 | |
812 | /* have to use the microsoft-never-gets-it-right macro */ |
909 | /* have to use the microsoft-never-gets-it-right macro */ |
813 | array_free_microshit (fdchange); |
910 | array_free (fdchange, EMPTY0); |
814 | array_free_microshit (timer); |
911 | array_free (timer, EMPTY0); |
815 | #if EV_PERIODICS |
912 | #if EV_PERIODICS |
816 | array_free_microshit (periodic); |
913 | array_free (periodic, EMPTY0); |
817 | #endif |
914 | #endif |
818 | array_free_microshit (idle); |
915 | array_free (idle, EMPTY0); |
819 | array_free_microshit (prepare); |
916 | array_free (prepare, EMPTY0); |
820 | array_free_microshit (check); |
917 | array_free (check, EMPTY0); |
821 | |
918 | |
822 | method = 0; |
919 | backend = 0; |
823 | } |
920 | } |
824 | |
921 | |
825 | static void |
922 | static void |
826 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
827 | { |
924 | { |
|
|
925 | #if EV_USE_PORT |
|
|
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
927 | #endif |
|
|
928 | #if EV_USE_KQUEUE |
|
|
929 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
930 | #endif |
828 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
829 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
830 | #endif |
|
|
831 | #if EV_USE_KQUEUE |
|
|
832 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
833 | #endif |
933 | #endif |
834 | |
934 | |
835 | if (ev_is_active (&sigev)) |
935 | if (ev_is_active (&sigev)) |
836 | { |
936 | { |
837 | /* default loop */ |
937 | /* default loop */ |
… | |
… | |
850 | postfork = 0; |
950 | postfork = 0; |
851 | } |
951 | } |
852 | |
952 | |
853 | #if EV_MULTIPLICITY |
953 | #if EV_MULTIPLICITY |
854 | struct ev_loop * |
954 | struct ev_loop * |
855 | ev_loop_new (int methods) |
955 | ev_loop_new (unsigned int flags) |
856 | { |
956 | { |
857 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
957 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
858 | |
958 | |
859 | memset (loop, 0, sizeof (struct ev_loop)); |
959 | memset (loop, 0, sizeof (struct ev_loop)); |
860 | |
960 | |
861 | loop_init (EV_A_ methods); |
961 | loop_init (EV_A_ flags); |
862 | |
962 | |
863 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
864 | return loop; |
964 | return loop; |
865 | |
965 | |
866 | return 0; |
966 | return 0; |
867 | } |
967 | } |
868 | |
968 | |
… | |
… | |
881 | |
981 | |
882 | #endif |
982 | #endif |
883 | |
983 | |
884 | #if EV_MULTIPLICITY |
984 | #if EV_MULTIPLICITY |
885 | struct ev_loop * |
985 | struct ev_loop * |
|
|
986 | ev_default_loop_init (unsigned int flags) |
886 | #else |
987 | #else |
887 | int |
988 | int |
|
|
989 | ev_default_loop (unsigned int flags) |
888 | #endif |
990 | #endif |
889 | ev_default_loop (int methods) |
|
|
890 | { |
991 | { |
891 | if (sigpipe [0] == sigpipe [1]) |
992 | if (sigpipe [0] == sigpipe [1]) |
892 | if (pipe (sigpipe)) |
993 | if (pipe (sigpipe)) |
893 | return 0; |
994 | return 0; |
894 | |
995 | |
895 | if (!default_loop) |
996 | if (!ev_default_loop_ptr) |
896 | { |
997 | { |
897 | #if EV_MULTIPLICITY |
998 | #if EV_MULTIPLICITY |
898 | struct ev_loop *loop = default_loop = &default_loop_struct; |
999 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
899 | #else |
1000 | #else |
900 | default_loop = 1; |
1001 | ev_default_loop_ptr = 1; |
901 | #endif |
1002 | #endif |
902 | |
1003 | |
903 | loop_init (EV_A_ methods); |
1004 | loop_init (EV_A_ flags); |
904 | |
1005 | |
905 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
906 | { |
1007 | { |
907 | siginit (EV_A); |
1008 | siginit (EV_A); |
908 | |
1009 | |
909 | #ifndef WIN32 |
1010 | #ifndef _WIN32 |
910 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
911 | ev_set_priority (&childev, EV_MAXPRI); |
1012 | ev_set_priority (&childev, EV_MAXPRI); |
912 | ev_signal_start (EV_A_ &childev); |
1013 | ev_signal_start (EV_A_ &childev); |
913 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1014 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
914 | #endif |
1015 | #endif |
915 | } |
1016 | } |
916 | else |
1017 | else |
917 | default_loop = 0; |
1018 | ev_default_loop_ptr = 0; |
918 | } |
1019 | } |
919 | |
1020 | |
920 | return default_loop; |
1021 | return ev_default_loop_ptr; |
921 | } |
1022 | } |
922 | |
1023 | |
923 | void |
1024 | void |
924 | ev_default_destroy (void) |
1025 | ev_default_destroy (void) |
925 | { |
1026 | { |
926 | #if EV_MULTIPLICITY |
1027 | #if EV_MULTIPLICITY |
927 | struct ev_loop *loop = default_loop; |
1028 | struct ev_loop *loop = ev_default_loop_ptr; |
928 | #endif |
1029 | #endif |
929 | |
1030 | |
930 | #ifndef WIN32 |
1031 | #ifndef _WIN32 |
931 | ev_ref (EV_A); /* child watcher */ |
1032 | ev_ref (EV_A); /* child watcher */ |
932 | ev_signal_stop (EV_A_ &childev); |
1033 | ev_signal_stop (EV_A_ &childev); |
933 | #endif |
1034 | #endif |
934 | |
1035 | |
935 | ev_ref (EV_A); /* signal watcher */ |
1036 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
943 | |
1044 | |
944 | void |
1045 | void |
945 | ev_default_fork (void) |
1046 | ev_default_fork (void) |
946 | { |
1047 | { |
947 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
948 | struct ev_loop *loop = default_loop; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
949 | #endif |
1050 | #endif |
950 | |
1051 | |
951 | if (method) |
1052 | if (backend) |
952 | postfork = 1; |
1053 | postfork = 1; |
953 | } |
1054 | } |
954 | |
1055 | |
955 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
956 | |
1057 | |
… | |
… | |
964 | return 1; |
1065 | return 1; |
965 | |
1066 | |
966 | return 0; |
1067 | return 0; |
967 | } |
1068 | } |
968 | |
1069 | |
969 | static void |
1070 | inline void |
970 | call_pending (EV_P) |
1071 | call_pending (EV_P) |
971 | { |
1072 | { |
972 | int pri; |
1073 | int pri; |
973 | |
1074 | |
974 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
975 | while (pendingcnt [pri]) |
1076 | while (pendingcnt [pri]) |
976 | { |
1077 | { |
977 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
978 | |
1079 | |
979 | if (p->w) |
1080 | if (expect_true (p->w)) |
980 | { |
1081 | { |
981 | p->w->pending = 0; |
1082 | p->w->pending = 0; |
982 | EV_CB_INVOKE (p->w, p->events); |
1083 | EV_CB_INVOKE (p->w, p->events); |
983 | } |
1084 | } |
984 | } |
1085 | } |
985 | } |
1086 | } |
986 | |
1087 | |
987 | static void |
1088 | inline void |
988 | timers_reify (EV_P) |
1089 | timers_reify (EV_P) |
989 | { |
1090 | { |
990 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
991 | { |
1092 | { |
992 | struct ev_timer *w = timers [0]; |
1093 | struct ev_timer *w = timers [0]; |
… | |
… | |
1010 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1011 | } |
1112 | } |
1012 | } |
1113 | } |
1013 | |
1114 | |
1014 | #if EV_PERIODICS |
1115 | #if EV_PERIODICS |
1015 | static void |
1116 | inline void |
1016 | periodics_reify (EV_P) |
1117 | periodics_reify (EV_P) |
1017 | { |
1118 | { |
1018 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1019 | { |
1120 | { |
1020 | struct ev_periodic *w = periodics [0]; |
1121 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1022 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1123 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1023 | |
1124 | |
1024 | /* first reschedule or stop timer */ |
1125 | /* first reschedule or stop timer */ |
1025 | if (w->reschedule_cb) |
1126 | if (w->reschedule_cb) |
1026 | { |
1127 | { |
1027 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1128 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1028 | |
|
|
1029 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1129 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1030 | downheap ((WT *)periodics, periodiccnt, 0); |
1130 | downheap ((WT *)periodics, periodiccnt, 0); |
1031 | } |
1131 | } |
1032 | else if (w->interval) |
1132 | else if (w->interval) |
1033 | { |
1133 | { |
… | |
… | |
1080 | ev_rt_now = ev_time (); |
1180 | ev_rt_now = ev_time (); |
1081 | return 1; |
1181 | return 1; |
1082 | } |
1182 | } |
1083 | } |
1183 | } |
1084 | |
1184 | |
1085 | static void |
1185 | inline void |
1086 | time_update (EV_P) |
1186 | time_update (EV_P) |
1087 | { |
1187 | { |
1088 | int i; |
1188 | int i; |
1089 | |
1189 | |
1090 | #if EV_USE_MONOTONIC |
1190 | #if EV_USE_MONOTONIC |
… | |
… | |
1148 | static int loop_done; |
1248 | static int loop_done; |
1149 | |
1249 | |
1150 | void |
1250 | void |
1151 | ev_loop (EV_P_ int flags) |
1251 | ev_loop (EV_P_ int flags) |
1152 | { |
1252 | { |
1153 | double block; |
|
|
1154 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1253 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1254 | ? EVUNLOOP_ONE |
|
|
1255 | : EVUNLOOP_CANCEL; |
1155 | |
1256 | |
1156 | do |
1257 | while (activecnt) |
1157 | { |
1258 | { |
1158 | /* queue check watchers (and execute them) */ |
1259 | /* queue check watchers (and execute them) */ |
1159 | if (expect_false (preparecnt)) |
1260 | if (expect_false (preparecnt)) |
1160 | { |
1261 | { |
1161 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1262 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1168 | |
1269 | |
1169 | /* update fd-related kernel structures */ |
1270 | /* update fd-related kernel structures */ |
1170 | fd_reify (EV_A); |
1271 | fd_reify (EV_A); |
1171 | |
1272 | |
1172 | /* calculate blocking time */ |
1273 | /* calculate blocking time */ |
|
|
1274 | { |
|
|
1275 | double block; |
1173 | |
1276 | |
1174 | /* we only need this for !monotonic clock or timers, but as we basically |
1277 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1175 | always have timers, we just calculate it always */ |
1278 | block = 0.; /* do not block at all */ |
|
|
1279 | else |
|
|
1280 | { |
|
|
1281 | /* update time to cancel out callback processing overhead */ |
1176 | #if EV_USE_MONOTONIC |
1282 | #if EV_USE_MONOTONIC |
1177 | if (expect_true (have_monotonic)) |
1283 | if (expect_true (have_monotonic)) |
1178 | time_update_monotonic (EV_A); |
1284 | time_update_monotonic (EV_A); |
1179 | else |
1285 | else |
1180 | #endif |
1286 | #endif |
1181 | { |
1287 | { |
1182 | ev_rt_now = ev_time (); |
1288 | ev_rt_now = ev_time (); |
1183 | mn_now = ev_rt_now; |
1289 | mn_now = ev_rt_now; |
1184 | } |
1290 | } |
1185 | |
1291 | |
1186 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1187 | block = 0.; |
|
|
1188 | else |
|
|
1189 | { |
|
|
1190 | block = MAX_BLOCKTIME; |
1292 | block = MAX_BLOCKTIME; |
1191 | |
1293 | |
1192 | if (timercnt) |
1294 | if (timercnt) |
1193 | { |
1295 | { |
1194 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1296 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1195 | if (block > to) block = to; |
1297 | if (block > to) block = to; |
1196 | } |
1298 | } |
1197 | |
1299 | |
1198 | #if EV_PERIODICS |
1300 | #if EV_PERIODICS |
1199 | if (periodiccnt) |
1301 | if (periodiccnt) |
1200 | { |
1302 | { |
1201 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1303 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1202 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1203 | } |
1305 | } |
1204 | #endif |
1306 | #endif |
1205 | |
1307 | |
1206 | if (block < 0.) block = 0.; |
1308 | if (expect_false (block < 0.)) block = 0.; |
1207 | } |
1309 | } |
1208 | |
1310 | |
1209 | method_poll (EV_A_ block); |
1311 | backend_poll (EV_A_ block); |
|
|
1312 | } |
1210 | |
1313 | |
1211 | /* update ev_rt_now, do magic */ |
1314 | /* update ev_rt_now, do magic */ |
1212 | time_update (EV_A); |
1315 | time_update (EV_A); |
1213 | |
1316 | |
1214 | /* queue pending timers and reschedule them */ |
1317 | /* queue pending timers and reschedule them */ |
… | |
… | |
1220 | /* queue idle watchers unless io or timers are pending */ |
1323 | /* queue idle watchers unless io or timers are pending */ |
1221 | if (idlecnt && !any_pending (EV_A)) |
1324 | if (idlecnt && !any_pending (EV_A)) |
1222 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1325 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1223 | |
1326 | |
1224 | /* queue check watchers, to be executed first */ |
1327 | /* queue check watchers, to be executed first */ |
1225 | if (checkcnt) |
1328 | if (expect_false (checkcnt)) |
1226 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1329 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1227 | |
1330 | |
1228 | call_pending (EV_A); |
1331 | call_pending (EV_A); |
1229 | } |
|
|
1230 | while (activecnt && !loop_done); |
|
|
1231 | |
1332 | |
1232 | if (loop_done != 2) |
1333 | if (expect_false (loop_done)) |
1233 | loop_done = 0; |
1334 | break; |
|
|
1335 | } |
|
|
1336 | |
|
|
1337 | if (loop_done == EVUNLOOP_ONE) |
|
|
1338 | loop_done = EVUNLOOP_CANCEL; |
1234 | } |
1339 | } |
1235 | |
1340 | |
1236 | void |
1341 | void |
1237 | ev_unloop (EV_P_ int how) |
1342 | ev_unloop (EV_P_ int how) |
1238 | { |
1343 | { |
… | |
… | |
1295 | void |
1400 | void |
1296 | ev_io_start (EV_P_ struct ev_io *w) |
1401 | ev_io_start (EV_P_ struct ev_io *w) |
1297 | { |
1402 | { |
1298 | int fd = w->fd; |
1403 | int fd = w->fd; |
1299 | |
1404 | |
1300 | if (ev_is_active (w)) |
1405 | if (expect_false (ev_is_active (w))) |
1301 | return; |
1406 | return; |
1302 | |
1407 | |
1303 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1408 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1304 | |
1409 | |
1305 | ev_start (EV_A_ (W)w, 1); |
1410 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1311 | |
1416 | |
1312 | void |
1417 | void |
1313 | ev_io_stop (EV_P_ struct ev_io *w) |
1418 | ev_io_stop (EV_P_ struct ev_io *w) |
1314 | { |
1419 | { |
1315 | ev_clear_pending (EV_A_ (W)w); |
1420 | ev_clear_pending (EV_A_ (W)w); |
1316 | if (!ev_is_active (w)) |
1421 | if (expect_false (!ev_is_active (w))) |
1317 | return; |
1422 | return; |
1318 | |
1423 | |
1319 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1424 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1320 | |
1425 | |
1321 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1426 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1325 | } |
1430 | } |
1326 | |
1431 | |
1327 | void |
1432 | void |
1328 | ev_timer_start (EV_P_ struct ev_timer *w) |
1433 | ev_timer_start (EV_P_ struct ev_timer *w) |
1329 | { |
1434 | { |
1330 | if (ev_is_active (w)) |
1435 | if (expect_false (ev_is_active (w))) |
1331 | return; |
1436 | return; |
1332 | |
1437 | |
1333 | ((WT)w)->at += mn_now; |
1438 | ((WT)w)->at += mn_now; |
1334 | |
1439 | |
1335 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1440 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1336 | |
1441 | |
1337 | ev_start (EV_A_ (W)w, ++timercnt); |
1442 | ev_start (EV_A_ (W)w, ++timercnt); |
1338 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1443 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1339 | timers [timercnt - 1] = w; |
1444 | timers [timercnt - 1] = w; |
1340 | upheap ((WT *)timers, timercnt - 1); |
1445 | upheap ((WT *)timers, timercnt - 1); |
1341 | |
1446 | |
1342 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1447 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1343 | } |
1448 | } |
1344 | |
1449 | |
1345 | void |
1450 | void |
1346 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1451 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1347 | { |
1452 | { |
1348 | ev_clear_pending (EV_A_ (W)w); |
1453 | ev_clear_pending (EV_A_ (W)w); |
1349 | if (!ev_is_active (w)) |
1454 | if (expect_false (!ev_is_active (w))) |
1350 | return; |
1455 | return; |
1351 | |
1456 | |
1352 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1457 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1353 | |
1458 | |
1354 | if (((W)w)->active < timercnt--) |
1459 | if (expect_true (((W)w)->active < timercnt--)) |
1355 | { |
1460 | { |
1356 | timers [((W)w)->active - 1] = timers [timercnt]; |
1461 | timers [((W)w)->active - 1] = timers [timercnt]; |
1357 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1462 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1358 | } |
1463 | } |
1359 | |
1464 | |
1360 | ((WT)w)->at -= mn_now; |
1465 | ((WT)w)->at -= mn_now; |
1361 | |
1466 | |
1362 | ev_stop (EV_A_ (W)w); |
1467 | ev_stop (EV_A_ (W)w); |
… | |
… | |
1366 | ev_timer_again (EV_P_ struct ev_timer *w) |
1471 | ev_timer_again (EV_P_ struct ev_timer *w) |
1367 | { |
1472 | { |
1368 | if (ev_is_active (w)) |
1473 | if (ev_is_active (w)) |
1369 | { |
1474 | { |
1370 | if (w->repeat) |
1475 | if (w->repeat) |
|
|
1476 | { |
|
|
1477 | ((WT)w)->at = mn_now + w->repeat; |
1371 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1478 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
|
|
1479 | } |
1372 | else |
1480 | else |
1373 | ev_timer_stop (EV_A_ w); |
1481 | ev_timer_stop (EV_A_ w); |
1374 | } |
1482 | } |
1375 | else if (w->repeat) |
1483 | else if (w->repeat) |
|
|
1484 | { |
|
|
1485 | w->at = w->repeat; |
1376 | ev_timer_start (EV_A_ w); |
1486 | ev_timer_start (EV_A_ w); |
|
|
1487 | } |
1377 | } |
1488 | } |
1378 | |
1489 | |
1379 | #if EV_PERIODICS |
1490 | #if EV_PERIODICS |
1380 | void |
1491 | void |
1381 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1492 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1382 | { |
1493 | { |
1383 | if (ev_is_active (w)) |
1494 | if (expect_false (ev_is_active (w))) |
1384 | return; |
1495 | return; |
1385 | |
1496 | |
1386 | if (w->reschedule_cb) |
1497 | if (w->reschedule_cb) |
1387 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1498 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1388 | else if (w->interval) |
1499 | else if (w->interval) |
… | |
… | |
1391 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1502 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1392 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1503 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1393 | } |
1504 | } |
1394 | |
1505 | |
1395 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1506 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1396 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1507 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1397 | periodics [periodiccnt - 1] = w; |
1508 | periodics [periodiccnt - 1] = w; |
1398 | upheap ((WT *)periodics, periodiccnt - 1); |
1509 | upheap ((WT *)periodics, periodiccnt - 1); |
1399 | |
1510 | |
1400 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1511 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1401 | } |
1512 | } |
1402 | |
1513 | |
1403 | void |
1514 | void |
1404 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1515 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1405 | { |
1516 | { |
1406 | ev_clear_pending (EV_A_ (W)w); |
1517 | ev_clear_pending (EV_A_ (W)w); |
1407 | if (!ev_is_active (w)) |
1518 | if (expect_false (!ev_is_active (w))) |
1408 | return; |
1519 | return; |
1409 | |
1520 | |
1410 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1521 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1411 | |
1522 | |
1412 | if (((W)w)->active < periodiccnt--) |
1523 | if (expect_true (((W)w)->active < periodiccnt--)) |
1413 | { |
1524 | { |
1414 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1525 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1415 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1526 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1416 | } |
1527 | } |
1417 | |
1528 | |
1418 | ev_stop (EV_A_ (W)w); |
1529 | ev_stop (EV_A_ (W)w); |
1419 | } |
1530 | } |
1420 | |
1531 | |
… | |
… | |
1428 | #endif |
1539 | #endif |
1429 | |
1540 | |
1430 | void |
1541 | void |
1431 | ev_idle_start (EV_P_ struct ev_idle *w) |
1542 | ev_idle_start (EV_P_ struct ev_idle *w) |
1432 | { |
1543 | { |
1433 | if (ev_is_active (w)) |
1544 | if (expect_false (ev_is_active (w))) |
1434 | return; |
1545 | return; |
1435 | |
1546 | |
1436 | ev_start (EV_A_ (W)w, ++idlecnt); |
1547 | ev_start (EV_A_ (W)w, ++idlecnt); |
1437 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1548 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1438 | idles [idlecnt - 1] = w; |
1549 | idles [idlecnt - 1] = w; |
1439 | } |
1550 | } |
1440 | |
1551 | |
1441 | void |
1552 | void |
1442 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1553 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1443 | { |
1554 | { |
1444 | ev_clear_pending (EV_A_ (W)w); |
1555 | ev_clear_pending (EV_A_ (W)w); |
1445 | if (ev_is_active (w)) |
1556 | if (expect_false (!ev_is_active (w))) |
1446 | return; |
1557 | return; |
1447 | |
1558 | |
1448 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1559 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1449 | ev_stop (EV_A_ (W)w); |
1560 | ev_stop (EV_A_ (W)w); |
1450 | } |
1561 | } |
1451 | |
1562 | |
1452 | void |
1563 | void |
1453 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1564 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1454 | { |
1565 | { |
1455 | if (ev_is_active (w)) |
1566 | if (expect_false (ev_is_active (w))) |
1456 | return; |
1567 | return; |
1457 | |
1568 | |
1458 | ev_start (EV_A_ (W)w, ++preparecnt); |
1569 | ev_start (EV_A_ (W)w, ++preparecnt); |
1459 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1570 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1460 | prepares [preparecnt - 1] = w; |
1571 | prepares [preparecnt - 1] = w; |
1461 | } |
1572 | } |
1462 | |
1573 | |
1463 | void |
1574 | void |
1464 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1575 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1465 | { |
1576 | { |
1466 | ev_clear_pending (EV_A_ (W)w); |
1577 | ev_clear_pending (EV_A_ (W)w); |
1467 | if (ev_is_active (w)) |
1578 | if (expect_false (!ev_is_active (w))) |
1468 | return; |
1579 | return; |
1469 | |
1580 | |
1470 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1581 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1471 | ev_stop (EV_A_ (W)w); |
1582 | ev_stop (EV_A_ (W)w); |
1472 | } |
1583 | } |
1473 | |
1584 | |
1474 | void |
1585 | void |
1475 | ev_check_start (EV_P_ struct ev_check *w) |
1586 | ev_check_start (EV_P_ struct ev_check *w) |
1476 | { |
1587 | { |
1477 | if (ev_is_active (w)) |
1588 | if (expect_false (ev_is_active (w))) |
1478 | return; |
1589 | return; |
1479 | |
1590 | |
1480 | ev_start (EV_A_ (W)w, ++checkcnt); |
1591 | ev_start (EV_A_ (W)w, ++checkcnt); |
1481 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1592 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1482 | checks [checkcnt - 1] = w; |
1593 | checks [checkcnt - 1] = w; |
1483 | } |
1594 | } |
1484 | |
1595 | |
1485 | void |
1596 | void |
1486 | ev_check_stop (EV_P_ struct ev_check *w) |
1597 | ev_check_stop (EV_P_ struct ev_check *w) |
1487 | { |
1598 | { |
1488 | ev_clear_pending (EV_A_ (W)w); |
1599 | ev_clear_pending (EV_A_ (W)w); |
1489 | if (!ev_is_active (w)) |
1600 | if (expect_false (!ev_is_active (w))) |
1490 | return; |
1601 | return; |
1491 | |
1602 | |
1492 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1603 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1493 | ev_stop (EV_A_ (W)w); |
1604 | ev_stop (EV_A_ (W)w); |
1494 | } |
1605 | } |
… | |
… | |
1499 | |
1610 | |
1500 | void |
1611 | void |
1501 | ev_signal_start (EV_P_ struct ev_signal *w) |
1612 | ev_signal_start (EV_P_ struct ev_signal *w) |
1502 | { |
1613 | { |
1503 | #if EV_MULTIPLICITY |
1614 | #if EV_MULTIPLICITY |
1504 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1615 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1505 | #endif |
1616 | #endif |
1506 | if (ev_is_active (w)) |
1617 | if (expect_false (ev_is_active (w))) |
1507 | return; |
1618 | return; |
1508 | |
1619 | |
1509 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1620 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1510 | |
1621 | |
1511 | ev_start (EV_A_ (W)w, 1); |
1622 | ev_start (EV_A_ (W)w, 1); |
1512 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1623 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1513 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1624 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1514 | |
1625 | |
1515 | if (!((WL)w)->next) |
1626 | if (!((WL)w)->next) |
1516 | { |
1627 | { |
1517 | #if WIN32 |
1628 | #if _WIN32 |
1518 | signal (w->signum, sighandler); |
1629 | signal (w->signum, sighandler); |
1519 | #else |
1630 | #else |
1520 | struct sigaction sa; |
1631 | struct sigaction sa; |
1521 | sa.sa_handler = sighandler; |
1632 | sa.sa_handler = sighandler; |
1522 | sigfillset (&sa.sa_mask); |
1633 | sigfillset (&sa.sa_mask); |
… | |
… | |
1528 | |
1639 | |
1529 | void |
1640 | void |
1530 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1641 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1531 | { |
1642 | { |
1532 | ev_clear_pending (EV_A_ (W)w); |
1643 | ev_clear_pending (EV_A_ (W)w); |
1533 | if (!ev_is_active (w)) |
1644 | if (expect_false (!ev_is_active (w))) |
1534 | return; |
1645 | return; |
1535 | |
1646 | |
1536 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1647 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1537 | ev_stop (EV_A_ (W)w); |
1648 | ev_stop (EV_A_ (W)w); |
1538 | |
1649 | |
… | |
… | |
1542 | |
1653 | |
1543 | void |
1654 | void |
1544 | ev_child_start (EV_P_ struct ev_child *w) |
1655 | ev_child_start (EV_P_ struct ev_child *w) |
1545 | { |
1656 | { |
1546 | #if EV_MULTIPLICITY |
1657 | #if EV_MULTIPLICITY |
1547 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1658 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1548 | #endif |
1659 | #endif |
1549 | if (ev_is_active (w)) |
1660 | if (expect_false (ev_is_active (w))) |
1550 | return; |
1661 | return; |
1551 | |
1662 | |
1552 | ev_start (EV_A_ (W)w, 1); |
1663 | ev_start (EV_A_ (W)w, 1); |
1553 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1664 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1554 | } |
1665 | } |
1555 | |
1666 | |
1556 | void |
1667 | void |
1557 | ev_child_stop (EV_P_ struct ev_child *w) |
1668 | ev_child_stop (EV_P_ struct ev_child *w) |
1558 | { |
1669 | { |
1559 | ev_clear_pending (EV_A_ (W)w); |
1670 | ev_clear_pending (EV_A_ (W)w); |
1560 | if (!ev_is_active (w)) |
1671 | if (expect_false (!ev_is_active (w))) |
1561 | return; |
1672 | return; |
1562 | |
1673 | |
1563 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1674 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1564 | ev_stop (EV_A_ (W)w); |
1675 | ev_stop (EV_A_ (W)w); |
1565 | } |
1676 | } |
|
|
1677 | |
|
|
1678 | #if EV_MULTIPLICITY |
|
|
1679 | static void |
|
|
1680 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1681 | { |
|
|
1682 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1683 | |
|
|
1684 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1685 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | void |
|
|
1689 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1690 | { |
|
|
1691 | if (expect_false (ev_is_active (w))) |
|
|
1692 | return; |
|
|
1693 | |
|
|
1694 | { |
|
|
1695 | struct ev_loop *loop = w->loop; |
|
|
1696 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1697 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1698 | } |
|
|
1699 | |
|
|
1700 | ev_io_start (EV_A_ &w->io); |
|
|
1701 | ev_start (EV_A_ (W)w, 1); |
|
|
1702 | } |
|
|
1703 | |
|
|
1704 | void |
|
|
1705 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1706 | { |
|
|
1707 | ev_clear_pending (EV_A_ (W)w); |
|
|
1708 | if (expect_false (!ev_is_active (w))) |
|
|
1709 | return; |
|
|
1710 | |
|
|
1711 | ev_io_stop (EV_A_ &w->io); |
|
|
1712 | ev_stop (EV_A_ (W)w); |
|
|
1713 | } |
|
|
1714 | #endif |
1566 | |
1715 | |
1567 | /*****************************************************************************/ |
1716 | /*****************************************************************************/ |
1568 | |
1717 | |
1569 | struct ev_once |
1718 | struct ev_once |
1570 | { |
1719 | { |
… | |
… | |
1602 | void |
1751 | void |
1603 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1752 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1604 | { |
1753 | { |
1605 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1754 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1606 | |
1755 | |
1607 | if (!once) |
1756 | if (expect_false (!once)) |
|
|
1757 | { |
1608 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1758 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1609 | else |
1759 | return; |
1610 | { |
1760 | } |
|
|
1761 | |
1611 | once->cb = cb; |
1762 | once->cb = cb; |
1612 | once->arg = arg; |
1763 | once->arg = arg; |
1613 | |
1764 | |
1614 | ev_init (&once->io, once_cb_io); |
1765 | ev_init (&once->io, once_cb_io); |
1615 | if (fd >= 0) |
1766 | if (fd >= 0) |
1616 | { |
1767 | { |
1617 | ev_io_set (&once->io, fd, events); |
1768 | ev_io_set (&once->io, fd, events); |
1618 | ev_io_start (EV_A_ &once->io); |
1769 | ev_io_start (EV_A_ &once->io); |
1619 | } |
1770 | } |
1620 | |
1771 | |
1621 | ev_init (&once->to, once_cb_to); |
1772 | ev_init (&once->to, once_cb_to); |
1622 | if (timeout >= 0.) |
1773 | if (timeout >= 0.) |
1623 | { |
1774 | { |
1624 | ev_timer_set (&once->to, timeout, 0.); |
1775 | ev_timer_set (&once->to, timeout, 0.); |
1625 | ev_timer_start (EV_A_ &once->to); |
1776 | ev_timer_start (EV_A_ &once->to); |
1626 | } |
|
|
1627 | } |
1777 | } |
1628 | } |
1778 | } |
1629 | |
1779 | |
1630 | #ifdef __cplusplus |
1780 | #ifdef __cplusplus |
1631 | } |
1781 | } |