… | |
… | |
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 |
|
|
44 | # ifndef EV_USE_MONOTONIC |
40 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
|
|
46 | # endif |
|
|
47 | # ifndef EV_USE_REALTIME |
41 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
|
|
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 |
42 | # endif |
57 | # endif |
43 | |
58 | |
44 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
45 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
46 | # endif |
65 | # endif |
47 | |
66 | |
48 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
49 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
50 | # endif |
73 | # endif |
51 | |
74 | |
52 | # 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 |
53 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
54 | # endif |
81 | # endif |
55 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
56 | # 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 |
57 | # 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 |
58 | # endif |
97 | # endif |
59 | |
98 | |
60 | #endif |
99 | #endif |
61 | |
100 | |
62 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
71 | #include <sys/types.h> |
110 | #include <sys/types.h> |
72 | #include <time.h> |
111 | #include <time.h> |
73 | |
112 | |
74 | #include <signal.h> |
113 | #include <signal.h> |
75 | |
114 | |
76 | #ifndef WIN32 |
115 | #ifndef _WIN32 |
77 | # include <unistd.h> |
116 | # include <unistd.h> |
78 | # include <sys/time.h> |
117 | # include <sys/time.h> |
79 | # 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 |
80 | #endif |
124 | # endif |
|
|
125 | #endif |
|
|
126 | |
81 | /**/ |
127 | /**/ |
82 | |
128 | |
83 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
84 | # 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 |
85 | #endif |
135 | #endif |
86 | |
136 | |
87 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
88 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
89 | #endif |
139 | #endif |
90 | |
140 | |
91 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
92 | # 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 |
93 | #endif |
147 | #endif |
94 | |
148 | |
95 | #ifndef EV_USE_EPOLL |
149 | #ifndef EV_USE_EPOLL |
96 | # define EV_USE_EPOLL 0 |
150 | # define EV_USE_EPOLL 0 |
97 | #endif |
151 | #endif |
98 | |
152 | |
99 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
100 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
101 | #endif |
155 | #endif |
102 | |
156 | |
103 | #ifndef EV_USE_WIN32 |
|
|
104 | # ifdef WIN32 |
|
|
105 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
106 | # undef EV_USE_SELECT |
|
|
107 | # define EV_USE_SELECT 1 |
|
|
108 | # else |
|
|
109 | # define EV_USE_WIN32 0 |
|
|
110 | # endif |
|
|
111 | #endif |
|
|
112 | |
|
|
113 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
114 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
115 | #endif |
159 | #endif |
116 | |
160 | |
117 | /**/ |
161 | /**/ |
118 | |
162 | |
119 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
124 | #ifndef CLOCK_REALTIME |
168 | #ifndef CLOCK_REALTIME |
125 | # undef EV_USE_REALTIME |
169 | # undef EV_USE_REALTIME |
126 | # define EV_USE_REALTIME 0 |
170 | # define EV_USE_REALTIME 0 |
127 | #endif |
171 | #endif |
128 | |
172 | |
|
|
173 | #if EV_SELECT_IS_WINSOCKET |
|
|
174 | # include <winsock.h> |
|
|
175 | #endif |
|
|
176 | |
129 | /**/ |
177 | /**/ |
130 | |
178 | |
131 | #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) */ |
132 | #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) */ |
133 | #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 */ |
134 | /*#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 */ |
135 | |
183 | |
136 | #ifdef EV_H |
184 | #ifdef EV_H |
137 | # include EV_H |
185 | # include EV_H |
138 | #else |
186 | #else |
139 | # include "ev.h" |
187 | # include "ev.h" |
140 | #endif |
188 | #endif |
141 | |
189 | |
142 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
143 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
144 | # define inline inline |
192 | # define inline static inline |
145 | #else |
193 | #else |
146 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
147 | # define inline static |
195 | # define inline static |
148 | #endif |
196 | #endif |
149 | |
197 | |
… | |
… | |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
152 | |
200 | |
153 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
154 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
155 | |
203 | |
|
|
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
206 | |
156 | typedef struct ev_watcher *W; |
207 | typedef ev_watcher *W; |
157 | typedef struct ev_watcher_list *WL; |
208 | typedef ev_watcher_list *WL; |
158 | typedef struct ev_watcher_time *WT; |
209 | typedef ev_watcher_time *WT; |
159 | |
210 | |
160 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
161 | |
212 | |
|
|
213 | #ifdef _WIN32 |
162 | #include "ev_win32.c" |
214 | # include "ev_win32.c" |
|
|
215 | #endif |
163 | |
216 | |
164 | /*****************************************************************************/ |
217 | /*****************************************************************************/ |
165 | |
218 | |
166 | static void (*syserr_cb)(const char *msg); |
219 | static void (*syserr_cb)(const char *msg); |
167 | |
220 | |
… | |
… | |
214 | typedef struct |
267 | typedef struct |
215 | { |
268 | { |
216 | WL head; |
269 | WL head; |
217 | unsigned char events; |
270 | unsigned char events; |
218 | unsigned char reify; |
271 | unsigned char reify; |
|
|
272 | #if EV_SELECT_IS_WINSOCKET |
|
|
273 | SOCKET handle; |
|
|
274 | #endif |
219 | } ANFD; |
275 | } ANFD; |
220 | |
276 | |
221 | typedef struct |
277 | typedef struct |
222 | { |
278 | { |
223 | W w; |
279 | W w; |
… | |
… | |
227 | #if EV_MULTIPLICITY |
283 | #if EV_MULTIPLICITY |
228 | |
284 | |
229 | struct ev_loop |
285 | struct ev_loop |
230 | { |
286 | { |
231 | ev_tstamp ev_rt_now; |
287 | ev_tstamp ev_rt_now; |
|
|
288 | #define ev_rt_now ((loop)->ev_rt_now) |
232 | #define VAR(name,decl) decl; |
289 | #define VAR(name,decl) decl; |
233 | #include "ev_vars.h" |
290 | #include "ev_vars.h" |
234 | #undef VAR |
291 | #undef VAR |
235 | }; |
292 | }; |
236 | #include "ev_wrap.h" |
293 | #include "ev_wrap.h" |
237 | |
294 | |
238 | struct ev_loop default_loop_struct; |
295 | static struct ev_loop default_loop_struct; |
239 | static struct ev_loop *default_loop; |
296 | struct ev_loop *ev_default_loop_ptr; |
240 | |
297 | |
241 | #else |
298 | #else |
242 | |
299 | |
243 | ev_tstamp ev_rt_now; |
300 | ev_tstamp ev_rt_now; |
244 | #define VAR(name,decl) static decl; |
301 | #define VAR(name,decl) static decl; |
245 | #include "ev_vars.h" |
302 | #include "ev_vars.h" |
246 | #undef VAR |
303 | #undef VAR |
247 | |
304 | |
248 | static int default_loop; |
305 | static int ev_default_loop_ptr; |
249 | |
306 | |
250 | #endif |
307 | #endif |
251 | |
308 | |
252 | /*****************************************************************************/ |
309 | /*****************************************************************************/ |
253 | |
310 | |
… | |
… | |
286 | { |
343 | { |
287 | return ev_rt_now; |
344 | return ev_rt_now; |
288 | } |
345 | } |
289 | #endif |
346 | #endif |
290 | |
347 | |
291 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
292 | |
349 | |
293 | #define array_needsize(type,base,cur,cnt,init) \ |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
294 | if (expect_false ((cnt) > cur)) \ |
351 | if (expect_false ((cnt) > cur)) \ |
295 | { \ |
352 | { \ |
296 | int newcnt = cur; \ |
353 | int newcnt = cur; \ |
… | |
… | |
311 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
368 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
312 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
369 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
313 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
370 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
314 | } |
371 | } |
315 | |
372 | |
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; |
|
|
320 | |
|
|
321 | #define array_free(stem, idx) \ |
373 | #define array_free(stem, idx) \ |
322 | 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; |
323 | |
375 | |
324 | /*****************************************************************************/ |
376 | /*****************************************************************************/ |
325 | |
377 | |
… | |
… | |
339 | void |
391 | void |
340 | ev_feed_event (EV_P_ void *w, int revents) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
341 | { |
393 | { |
342 | W w_ = (W)w; |
394 | W w_ = (W)w; |
343 | |
395 | |
344 | if (w_->pending) |
396 | if (expect_false (w_->pending)) |
345 | { |
397 | { |
346 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
347 | return; |
399 | return; |
348 | } |
400 | } |
349 | |
401 | |
350 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
402 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
351 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
403 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
352 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
404 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
353 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
405 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
354 | } |
406 | } |
355 | |
407 | |
356 | static void |
408 | static void |
… | |
… | |
364 | |
416 | |
365 | inline void |
417 | inline void |
366 | fd_event (EV_P_ int fd, int revents) |
418 | fd_event (EV_P_ int fd, int revents) |
367 | { |
419 | { |
368 | ANFD *anfd = anfds + fd; |
420 | ANFD *anfd = anfds + fd; |
369 | struct ev_io *w; |
421 | ev_io *w; |
370 | |
422 | |
371 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
423 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
372 | { |
424 | { |
373 | int ev = w->events & revents; |
425 | int ev = w->events & revents; |
374 | |
426 | |
375 | if (ev) |
427 | if (ev) |
376 | ev_feed_event (EV_A_ (W)w, ev); |
428 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
383 | fd_event (EV_A_ fd, revents); |
435 | fd_event (EV_A_ fd, revents); |
384 | } |
436 | } |
385 | |
437 | |
386 | /*****************************************************************************/ |
438 | /*****************************************************************************/ |
387 | |
439 | |
388 | static void |
440 | inline void |
389 | fd_reify (EV_P) |
441 | fd_reify (EV_P) |
390 | { |
442 | { |
391 | int i; |
443 | int i; |
392 | |
444 | |
393 | for (i = 0; i < fdchangecnt; ++i) |
445 | for (i = 0; i < fdchangecnt; ++i) |
394 | { |
446 | { |
395 | int fd = fdchanges [i]; |
447 | int fd = fdchanges [i]; |
396 | ANFD *anfd = anfds + fd; |
448 | ANFD *anfd = anfds + fd; |
397 | struct ev_io *w; |
449 | ev_io *w; |
398 | |
450 | |
399 | int events = 0; |
451 | int events = 0; |
400 | |
452 | |
401 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
402 | events |= w->events; |
454 | events |= w->events; |
403 | |
455 | |
|
|
456 | #if EV_SELECT_IS_WINSOCKET |
|
|
457 | if (events) |
|
|
458 | { |
|
|
459 | unsigned long argp; |
|
|
460 | anfd->handle = _get_osfhandle (fd); |
|
|
461 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
462 | } |
|
|
463 | #endif |
|
|
464 | |
404 | anfd->reify = 0; |
465 | anfd->reify = 0; |
405 | |
466 | |
406 | method_modify (EV_A_ fd, anfd->events, events); |
467 | backend_modify (EV_A_ fd, anfd->events, events); |
407 | anfd->events = events; |
468 | anfd->events = events; |
408 | } |
469 | } |
409 | |
470 | |
410 | fdchangecnt = 0; |
471 | fdchangecnt = 0; |
411 | } |
472 | } |
412 | |
473 | |
413 | static void |
474 | static void |
414 | fd_change (EV_P_ int fd) |
475 | fd_change (EV_P_ int fd) |
415 | { |
476 | { |
416 | if (anfds [fd].reify) |
477 | if (expect_false (anfds [fd].reify)) |
417 | return; |
478 | return; |
418 | |
479 | |
419 | anfds [fd].reify = 1; |
480 | anfds [fd].reify = 1; |
420 | |
481 | |
421 | ++fdchangecnt; |
482 | ++fdchangecnt; |
422 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
483 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
423 | fdchanges [fdchangecnt - 1] = fd; |
484 | fdchanges [fdchangecnt - 1] = fd; |
424 | } |
485 | } |
425 | |
486 | |
426 | static void |
487 | static void |
427 | fd_kill (EV_P_ int fd) |
488 | fd_kill (EV_P_ int fd) |
428 | { |
489 | { |
429 | struct ev_io *w; |
490 | ev_io *w; |
430 | |
491 | |
431 | while ((w = (struct ev_io *)anfds [fd].head)) |
492 | while ((w = (ev_io *)anfds [fd].head)) |
432 | { |
493 | { |
433 | ev_io_stop (EV_A_ w); |
494 | ev_io_stop (EV_A_ w); |
434 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
435 | } |
496 | } |
436 | } |
497 | } |
437 | |
498 | |
438 | static int |
499 | inline int |
439 | fd_valid (int fd) |
500 | fd_valid (int fd) |
440 | { |
501 | { |
441 | #ifdef WIN32 |
502 | #ifdef _WIN32 |
442 | return !!win32_get_osfhandle (fd); |
503 | return _get_osfhandle (fd) != -1; |
443 | #else |
504 | #else |
444 | return fcntl (fd, F_GETFD) != -1; |
505 | return fcntl (fd, F_GETFD) != -1; |
445 | #endif |
506 | #endif |
446 | } |
507 | } |
447 | |
508 | |
… | |
… | |
469 | fd_kill (EV_A_ fd); |
530 | fd_kill (EV_A_ fd); |
470 | return; |
531 | return; |
471 | } |
532 | } |
472 | } |
533 | } |
473 | |
534 | |
474 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
475 | static void |
536 | static void |
476 | fd_rearm_all (EV_P) |
537 | fd_rearm_all (EV_P) |
477 | { |
538 | { |
478 | int fd; |
539 | int fd; |
479 | |
540 | |
… | |
… | |
528 | heap [k] = w; |
589 | heap [k] = w; |
529 | ((W)heap [k])->active = k + 1; |
590 | ((W)heap [k])->active = k + 1; |
530 | } |
591 | } |
531 | |
592 | |
532 | inline void |
593 | inline void |
533 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
594 | adjustheap (WT *heap, int N, int k) |
534 | { |
595 | { |
535 | ev_tstamp old_at = heap [k]->at; |
596 | upheap (heap, k); |
536 | heap [k]->at = at; |
|
|
537 | |
|
|
538 | if (old_at < at) |
|
|
539 | downheap (heap, N, k); |
597 | downheap (heap, N, k); |
540 | else |
|
|
541 | upheap (heap, k); |
|
|
542 | } |
598 | } |
543 | |
599 | |
544 | /*****************************************************************************/ |
600 | /*****************************************************************************/ |
545 | |
601 | |
546 | typedef struct |
602 | typedef struct |
… | |
… | |
552 | static ANSIG *signals; |
608 | static ANSIG *signals; |
553 | static int signalmax; |
609 | static int signalmax; |
554 | |
610 | |
555 | static int sigpipe [2]; |
611 | static int sigpipe [2]; |
556 | static sig_atomic_t volatile gotsig; |
612 | static sig_atomic_t volatile gotsig; |
557 | static struct ev_io sigev; |
613 | static ev_io sigev; |
558 | |
614 | |
559 | static void |
615 | static void |
560 | signals_init (ANSIG *base, int count) |
616 | signals_init (ANSIG *base, int count) |
561 | { |
617 | { |
562 | while (count--) |
618 | while (count--) |
… | |
… | |
569 | } |
625 | } |
570 | |
626 | |
571 | static void |
627 | static void |
572 | sighandler (int signum) |
628 | sighandler (int signum) |
573 | { |
629 | { |
574 | #if WIN32 |
630 | #if _WIN32 |
575 | signal (signum, sighandler); |
631 | signal (signum, sighandler); |
576 | #endif |
632 | #endif |
577 | |
633 | |
578 | signals [signum - 1].gotsig = 1; |
634 | signals [signum - 1].gotsig = 1; |
579 | |
635 | |
580 | if (!gotsig) |
636 | if (!gotsig) |
581 | { |
637 | { |
582 | int old_errno = errno; |
638 | int old_errno = errno; |
583 | gotsig = 1; |
639 | gotsig = 1; |
584 | #ifdef WIN32 |
|
|
585 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
586 | #else |
|
|
587 | write (sigpipe [1], &signum, 1); |
640 | write (sigpipe [1], &signum, 1); |
588 | #endif |
|
|
589 | errno = old_errno; |
641 | errno = old_errno; |
590 | } |
642 | } |
591 | } |
643 | } |
592 | |
644 | |
593 | void |
645 | void |
594 | ev_feed_signal_event (EV_P_ int signum) |
646 | ev_feed_signal_event (EV_P_ int signum) |
595 | { |
647 | { |
596 | WL w; |
648 | WL w; |
597 | |
649 | |
598 | #if EV_MULTIPLICITY |
650 | #if EV_MULTIPLICITY |
599 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
651 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
600 | #endif |
652 | #endif |
601 | |
653 | |
602 | --signum; |
654 | --signum; |
603 | |
655 | |
604 | if (signum < 0 || signum >= signalmax) |
656 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
609 | for (w = signals [signum].head; w; w = w->next) |
661 | for (w = signals [signum].head; w; w = w->next) |
610 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
662 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
611 | } |
663 | } |
612 | |
664 | |
613 | static void |
665 | static void |
614 | sigcb (EV_P_ struct ev_io *iow, int revents) |
666 | sigcb (EV_P_ ev_io *iow, int revents) |
615 | { |
667 | { |
616 | int signum; |
668 | int signum; |
617 | |
669 | |
618 | #ifdef WIN32 |
|
|
619 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
620 | #else |
|
|
621 | read (sigpipe [0], &revents, 1); |
670 | read (sigpipe [0], &revents, 1); |
622 | #endif |
|
|
623 | gotsig = 0; |
671 | gotsig = 0; |
624 | |
672 | |
625 | for (signum = signalmax; signum--; ) |
673 | for (signum = signalmax; signum--; ) |
626 | if (signals [signum].gotsig) |
674 | if (signals [signum].gotsig) |
627 | ev_feed_signal_event (EV_A_ signum + 1); |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
628 | } |
676 | } |
629 | |
677 | |
630 | static void |
678 | static void |
|
|
679 | fd_intern (int fd) |
|
|
680 | { |
|
|
681 | #ifdef _WIN32 |
|
|
682 | int arg = 1; |
|
|
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
684 | #else |
|
|
685 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
686 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
687 | #endif |
|
|
688 | } |
|
|
689 | |
|
|
690 | static void |
631 | siginit (EV_P) |
691 | siginit (EV_P) |
632 | { |
692 | { |
633 | #ifndef WIN32 |
693 | fd_intern (sigpipe [0]); |
634 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
694 | fd_intern (sigpipe [1]); |
635 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
636 | |
|
|
637 | /* rather than sort out wether we really need nb, set it */ |
|
|
638 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
639 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
640 | #endif |
|
|
641 | |
695 | |
642 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
696 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
643 | ev_io_start (EV_A_ &sigev); |
697 | ev_io_start (EV_A_ &sigev); |
644 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
645 | } |
699 | } |
646 | |
700 | |
647 | /*****************************************************************************/ |
701 | /*****************************************************************************/ |
648 | |
702 | |
649 | static struct ev_child *childs [PID_HASHSIZE]; |
703 | static ev_child *childs [PID_HASHSIZE]; |
650 | |
704 | |
651 | #ifndef WIN32 |
705 | #ifndef _WIN32 |
652 | |
706 | |
653 | static struct ev_signal childev; |
707 | static ev_signal childev; |
654 | |
708 | |
655 | #ifndef WCONTINUED |
709 | #ifndef WCONTINUED |
656 | # define WCONTINUED 0 |
710 | # define WCONTINUED 0 |
657 | #endif |
711 | #endif |
658 | |
712 | |
659 | static void |
713 | static void |
660 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
661 | { |
715 | { |
662 | struct ev_child *w; |
716 | ev_child *w; |
663 | |
717 | |
664 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
665 | if (w->pid == pid || !w->pid) |
719 | if (w->pid == pid || !w->pid) |
666 | { |
720 | { |
667 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
668 | w->rpid = pid; |
722 | w->rpid = pid; |
669 | w->rstatus = status; |
723 | w->rstatus = status; |
670 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
671 | } |
725 | } |
672 | } |
726 | } |
673 | |
727 | |
674 | static void |
728 | static void |
675 | childcb (EV_P_ struct ev_signal *sw, int revents) |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
676 | { |
730 | { |
677 | int pid, status; |
731 | int pid, status; |
678 | |
732 | |
679 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
680 | { |
734 | { |
681 | /* make sure we are called again until all childs have been reaped */ |
735 | /* make sure we are called again until all childs have been reaped */ |
|
|
736 | /* we need to do it this way so that the callback gets called before we continue */ |
682 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
683 | |
738 | |
684 | child_reap (EV_A_ sw, pid, pid, status); |
739 | child_reap (EV_A_ sw, pid, pid, status); |
685 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
740 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
686 | } |
741 | } |
687 | } |
742 | } |
688 | |
743 | |
689 | #endif |
744 | #endif |
690 | |
745 | |
691 | /*****************************************************************************/ |
746 | /*****************************************************************************/ |
692 | |
747 | |
|
|
748 | #if EV_USE_PORT |
|
|
749 | # include "ev_port.c" |
|
|
750 | #endif |
693 | #if EV_USE_KQUEUE |
751 | #if EV_USE_KQUEUE |
694 | # include "ev_kqueue.c" |
752 | # include "ev_kqueue.c" |
695 | #endif |
753 | #endif |
696 | #if EV_USE_EPOLL |
754 | #if EV_USE_EPOLL |
697 | # include "ev_epoll.c" |
755 | # include "ev_epoll.c" |
… | |
… | |
717 | |
775 | |
718 | /* return true if we are running with elevated privileges and should ignore env variables */ |
776 | /* return true if we are running with elevated privileges and should ignore env variables */ |
719 | static int |
777 | static int |
720 | enable_secure (void) |
778 | enable_secure (void) |
721 | { |
779 | { |
722 | #ifdef WIN32 |
780 | #ifdef _WIN32 |
723 | return 0; |
781 | return 0; |
724 | #else |
782 | #else |
725 | return getuid () != geteuid () |
783 | return getuid () != geteuid () |
726 | || getgid () != getegid (); |
784 | || getgid () != getegid (); |
727 | #endif |
785 | #endif |
728 | } |
786 | } |
729 | |
787 | |
730 | int |
788 | unsigned int |
731 | ev_method (EV_P) |
789 | ev_supported_backends (void) |
732 | { |
790 | { |
733 | return method; |
791 | unsigned int flags = 0; |
734 | } |
|
|
735 | |
792 | |
736 | static void |
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
737 | loop_init (EV_P_ int methods) |
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
797 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
798 | |
|
|
799 | return flags; |
|
|
800 | } |
|
|
801 | |
|
|
802 | unsigned int |
|
|
803 | ev_recommended_backends (void) |
738 | { |
804 | { |
739 | if (!method) |
805 | unsigned int flags = ev_supported_backends (); |
|
|
806 | |
|
|
807 | #ifndef __NetBSD__ |
|
|
808 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
810 | flags &= ~EVBACKEND_KQUEUE; |
|
|
811 | #endif |
|
|
812 | #ifdef __APPLE__ |
|
|
813 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
814 | flags &= ~EVBACKEND_POLL; |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | return flags; |
|
|
818 | } |
|
|
819 | |
|
|
820 | unsigned int |
|
|
821 | ev_embeddable_backends (void) |
|
|
822 | { |
|
|
823 | return EVBACKEND_EPOLL |
|
|
824 | | EVBACKEND_KQUEUE |
|
|
825 | | EVBACKEND_PORT; |
|
|
826 | } |
|
|
827 | |
|
|
828 | unsigned int |
|
|
829 | ev_backend (EV_P) |
|
|
830 | { |
|
|
831 | return backend; |
|
|
832 | } |
|
|
833 | |
|
|
834 | static void |
|
|
835 | loop_init (EV_P_ unsigned int flags) |
|
|
836 | { |
|
|
837 | if (!backend) |
740 | { |
838 | { |
741 | #if EV_USE_MONOTONIC |
839 | #if EV_USE_MONOTONIC |
742 | { |
840 | { |
743 | struct timespec ts; |
841 | struct timespec ts; |
744 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
842 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
749 | ev_rt_now = ev_time (); |
847 | ev_rt_now = ev_time (); |
750 | mn_now = get_clock (); |
848 | mn_now = get_clock (); |
751 | now_floor = mn_now; |
849 | now_floor = mn_now; |
752 | rtmn_diff = ev_rt_now - mn_now; |
850 | rtmn_diff = ev_rt_now - mn_now; |
753 | |
851 | |
754 | if (methods == EVMETHOD_AUTO) |
852 | if (!(flags & EVFLAG_NOENV) |
755 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
853 | && !enable_secure () |
|
|
854 | && getenv ("LIBEV_FLAGS")) |
756 | methods = atoi (getenv ("LIBEV_METHODS")); |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
757 | else |
|
|
758 | methods = EVMETHOD_ANY; |
|
|
759 | |
856 | |
760 | method = 0; |
857 | if (!(flags & 0x0000ffffUL)) |
761 | #if EV_USE_WIN32 |
858 | flags |= ev_recommended_backends (); |
762 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
859 | |
|
|
860 | backend = 0; |
|
|
861 | #if EV_USE_PORT |
|
|
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
763 | #endif |
863 | #endif |
764 | #if EV_USE_KQUEUE |
864 | #if EV_USE_KQUEUE |
765 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
766 | #endif |
866 | #endif |
767 | #if EV_USE_EPOLL |
867 | #if EV_USE_EPOLL |
768 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
868 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
769 | #endif |
869 | #endif |
770 | #if EV_USE_POLL |
870 | #if EV_USE_POLL |
771 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
871 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
772 | #endif |
872 | #endif |
773 | #if EV_USE_SELECT |
873 | #if EV_USE_SELECT |
774 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
874 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
775 | #endif |
875 | #endif |
776 | |
876 | |
777 | ev_init (&sigev, sigcb); |
877 | ev_init (&sigev, sigcb); |
778 | ev_set_priority (&sigev, EV_MAXPRI); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
779 | } |
879 | } |
780 | } |
880 | } |
781 | |
881 | |
782 | void |
882 | static void |
783 | loop_destroy (EV_P) |
883 | loop_destroy (EV_P) |
784 | { |
884 | { |
785 | int i; |
885 | int i; |
786 | |
886 | |
787 | #if EV_USE_WIN32 |
887 | #if EV_USE_PORT |
788 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
789 | #endif |
889 | #endif |
790 | #if EV_USE_KQUEUE |
890 | #if EV_USE_KQUEUE |
791 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
891 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
792 | #endif |
892 | #endif |
793 | #if EV_USE_EPOLL |
893 | #if EV_USE_EPOLL |
794 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
894 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
795 | #endif |
895 | #endif |
796 | #if EV_USE_POLL |
896 | #if EV_USE_POLL |
797 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
897 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
798 | #endif |
898 | #endif |
799 | #if EV_USE_SELECT |
899 | #if EV_USE_SELECT |
800 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
801 | #endif |
901 | #endif |
802 | |
902 | |
803 | for (i = NUMPRI; i--; ) |
903 | for (i = NUMPRI; i--; ) |
804 | array_free (pending, [i]); |
904 | array_free (pending, [i]); |
805 | |
905 | |
806 | /* have to use the microsoft-never-gets-it-right macro */ |
906 | /* have to use the microsoft-never-gets-it-right macro */ |
807 | array_free_microshit (fdchange); |
907 | array_free (fdchange, EMPTY0); |
808 | array_free_microshit (timer); |
908 | array_free (timer, EMPTY0); |
809 | #if EV_PERIODICS |
909 | #if EV_PERIODICS |
810 | array_free_microshit (periodic); |
910 | array_free (periodic, EMPTY0); |
811 | #endif |
911 | #endif |
812 | array_free_microshit (idle); |
912 | array_free (idle, EMPTY0); |
813 | array_free_microshit (prepare); |
913 | array_free (prepare, EMPTY0); |
814 | array_free_microshit (check); |
914 | array_free (check, EMPTY0); |
815 | |
915 | |
816 | method = 0; |
916 | backend = 0; |
817 | } |
917 | } |
818 | |
918 | |
819 | static void |
919 | static void |
820 | loop_fork (EV_P) |
920 | loop_fork (EV_P) |
821 | { |
921 | { |
|
|
922 | #if EV_USE_PORT |
|
|
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
924 | #endif |
|
|
925 | #if EV_USE_KQUEUE |
|
|
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
927 | #endif |
822 | #if EV_USE_EPOLL |
928 | #if EV_USE_EPOLL |
823 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
824 | #endif |
|
|
825 | #if EV_USE_KQUEUE |
|
|
826 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
827 | #endif |
930 | #endif |
828 | |
931 | |
829 | if (ev_is_active (&sigev)) |
932 | if (ev_is_active (&sigev)) |
830 | { |
933 | { |
831 | /* default loop */ |
934 | /* default loop */ |
… | |
… | |
844 | postfork = 0; |
947 | postfork = 0; |
845 | } |
948 | } |
846 | |
949 | |
847 | #if EV_MULTIPLICITY |
950 | #if EV_MULTIPLICITY |
848 | struct ev_loop * |
951 | struct ev_loop * |
849 | ev_loop_new (int methods) |
952 | ev_loop_new (unsigned int flags) |
850 | { |
953 | { |
851 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
954 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
852 | |
955 | |
853 | memset (loop, 0, sizeof (struct ev_loop)); |
956 | memset (loop, 0, sizeof (struct ev_loop)); |
854 | |
957 | |
855 | loop_init (EV_A_ methods); |
958 | loop_init (EV_A_ flags); |
856 | |
959 | |
857 | if (ev_method (EV_A)) |
960 | if (ev_backend (EV_A)) |
858 | return loop; |
961 | return loop; |
859 | |
962 | |
860 | return 0; |
963 | return 0; |
861 | } |
964 | } |
862 | |
965 | |
… | |
… | |
875 | |
978 | |
876 | #endif |
979 | #endif |
877 | |
980 | |
878 | #if EV_MULTIPLICITY |
981 | #if EV_MULTIPLICITY |
879 | struct ev_loop * |
982 | struct ev_loop * |
|
|
983 | ev_default_loop_init (unsigned int flags) |
880 | #else |
984 | #else |
881 | int |
985 | int |
|
|
986 | ev_default_loop (unsigned int flags) |
882 | #endif |
987 | #endif |
883 | ev_default_loop (int methods) |
|
|
884 | { |
988 | { |
885 | if (sigpipe [0] == sigpipe [1]) |
989 | if (sigpipe [0] == sigpipe [1]) |
886 | if (pipe (sigpipe)) |
990 | if (pipe (sigpipe)) |
887 | return 0; |
991 | return 0; |
888 | |
992 | |
889 | if (!default_loop) |
993 | if (!ev_default_loop_ptr) |
890 | { |
994 | { |
891 | #if EV_MULTIPLICITY |
995 | #if EV_MULTIPLICITY |
892 | struct ev_loop *loop = default_loop = &default_loop_struct; |
996 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
893 | #else |
997 | #else |
894 | default_loop = 1; |
998 | ev_default_loop_ptr = 1; |
895 | #endif |
999 | #endif |
896 | |
1000 | |
897 | loop_init (EV_A_ methods); |
1001 | loop_init (EV_A_ flags); |
898 | |
1002 | |
899 | if (ev_method (EV_A)) |
1003 | if (ev_backend (EV_A)) |
900 | { |
1004 | { |
901 | siginit (EV_A); |
1005 | siginit (EV_A); |
902 | |
1006 | |
903 | #ifndef WIN32 |
1007 | #ifndef _WIN32 |
904 | ev_signal_init (&childev, childcb, SIGCHLD); |
1008 | ev_signal_init (&childev, childcb, SIGCHLD); |
905 | ev_set_priority (&childev, EV_MAXPRI); |
1009 | ev_set_priority (&childev, EV_MAXPRI); |
906 | ev_signal_start (EV_A_ &childev); |
1010 | ev_signal_start (EV_A_ &childev); |
907 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1011 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
908 | #endif |
1012 | #endif |
909 | } |
1013 | } |
910 | else |
1014 | else |
911 | default_loop = 0; |
1015 | ev_default_loop_ptr = 0; |
912 | } |
1016 | } |
913 | |
1017 | |
914 | return default_loop; |
1018 | return ev_default_loop_ptr; |
915 | } |
1019 | } |
916 | |
1020 | |
917 | void |
1021 | void |
918 | ev_default_destroy (void) |
1022 | ev_default_destroy (void) |
919 | { |
1023 | { |
920 | #if EV_MULTIPLICITY |
1024 | #if EV_MULTIPLICITY |
921 | struct ev_loop *loop = default_loop; |
1025 | struct ev_loop *loop = ev_default_loop_ptr; |
922 | #endif |
1026 | #endif |
923 | |
1027 | |
924 | #ifndef WIN32 |
1028 | #ifndef _WIN32 |
925 | ev_ref (EV_A); /* child watcher */ |
1029 | ev_ref (EV_A); /* child watcher */ |
926 | ev_signal_stop (EV_A_ &childev); |
1030 | ev_signal_stop (EV_A_ &childev); |
927 | #endif |
1031 | #endif |
928 | |
1032 | |
929 | ev_ref (EV_A); /* signal watcher */ |
1033 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
937 | |
1041 | |
938 | void |
1042 | void |
939 | ev_default_fork (void) |
1043 | ev_default_fork (void) |
940 | { |
1044 | { |
941 | #if EV_MULTIPLICITY |
1045 | #if EV_MULTIPLICITY |
942 | struct ev_loop *loop = default_loop; |
1046 | struct ev_loop *loop = ev_default_loop_ptr; |
943 | #endif |
1047 | #endif |
944 | |
1048 | |
945 | if (method) |
1049 | if (backend) |
946 | postfork = 1; |
1050 | postfork = 1; |
947 | } |
1051 | } |
948 | |
1052 | |
949 | /*****************************************************************************/ |
1053 | /*****************************************************************************/ |
950 | |
1054 | |
… | |
… | |
958 | return 1; |
1062 | return 1; |
959 | |
1063 | |
960 | return 0; |
1064 | return 0; |
961 | } |
1065 | } |
962 | |
1066 | |
963 | static void |
1067 | inline void |
964 | call_pending (EV_P) |
1068 | call_pending (EV_P) |
965 | { |
1069 | { |
966 | int pri; |
1070 | int pri; |
967 | |
1071 | |
968 | for (pri = NUMPRI; pri--; ) |
1072 | for (pri = NUMPRI; pri--; ) |
969 | while (pendingcnt [pri]) |
1073 | while (pendingcnt [pri]) |
970 | { |
1074 | { |
971 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
972 | |
1076 | |
973 | if (p->w) |
1077 | if (expect_true (p->w)) |
974 | { |
1078 | { |
|
|
1079 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1080 | |
975 | p->w->pending = 0; |
1081 | p->w->pending = 0; |
976 | EV_CB_INVOKE (p->w, p->events); |
1082 | EV_CB_INVOKE (p->w, p->events); |
977 | } |
1083 | } |
978 | } |
1084 | } |
979 | } |
1085 | } |
980 | |
1086 | |
981 | static void |
1087 | inline void |
982 | timers_reify (EV_P) |
1088 | timers_reify (EV_P) |
983 | { |
1089 | { |
984 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1090 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
985 | { |
1091 | { |
986 | struct ev_timer *w = timers [0]; |
1092 | ev_timer *w = timers [0]; |
987 | |
1093 | |
988 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1094 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
989 | |
1095 | |
990 | /* first reschedule or stop timer */ |
1096 | /* first reschedule or stop timer */ |
991 | if (w->repeat) |
1097 | if (w->repeat) |
… | |
… | |
1004 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1110 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1005 | } |
1111 | } |
1006 | } |
1112 | } |
1007 | |
1113 | |
1008 | #if EV_PERIODICS |
1114 | #if EV_PERIODICS |
1009 | static void |
1115 | inline void |
1010 | periodics_reify (EV_P) |
1116 | periodics_reify (EV_P) |
1011 | { |
1117 | { |
1012 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1118 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1013 | { |
1119 | { |
1014 | struct ev_periodic *w = periodics [0]; |
1120 | ev_periodic *w = periodics [0]; |
1015 | |
1121 | |
1016 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1122 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1017 | |
1123 | |
1018 | /* first reschedule or stop timer */ |
1124 | /* first reschedule or stop timer */ |
1019 | if (w->reschedule_cb) |
1125 | if (w->reschedule_cb) |
1020 | { |
1126 | { |
1021 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1127 | ((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)); |
1128 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1024 | downheap ((WT *)periodics, periodiccnt, 0); |
1129 | downheap ((WT *)periodics, periodiccnt, 0); |
1025 | } |
1130 | } |
1026 | else if (w->interval) |
1131 | else if (w->interval) |
1027 | { |
1132 | { |
… | |
… | |
1042 | int i; |
1147 | int i; |
1043 | |
1148 | |
1044 | /* adjust periodics after time jump */ |
1149 | /* adjust periodics after time jump */ |
1045 | for (i = 0; i < periodiccnt; ++i) |
1150 | for (i = 0; i < periodiccnt; ++i) |
1046 | { |
1151 | { |
1047 | struct ev_periodic *w = periodics [i]; |
1152 | ev_periodic *w = periodics [i]; |
1048 | |
1153 | |
1049 | if (w->reschedule_cb) |
1154 | if (w->reschedule_cb) |
1050 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1155 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1051 | else if (w->interval) |
1156 | else if (w->interval) |
1052 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1157 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1074 | ev_rt_now = ev_time (); |
1179 | ev_rt_now = ev_time (); |
1075 | return 1; |
1180 | return 1; |
1076 | } |
1181 | } |
1077 | } |
1182 | } |
1078 | |
1183 | |
1079 | static void |
1184 | inline void |
1080 | time_update (EV_P) |
1185 | time_update (EV_P) |
1081 | { |
1186 | { |
1082 | int i; |
1187 | int i; |
1083 | |
1188 | |
1084 | #if EV_USE_MONOTONIC |
1189 | #if EV_USE_MONOTONIC |
… | |
… | |
1086 | { |
1191 | { |
1087 | if (time_update_monotonic (EV_A)) |
1192 | if (time_update_monotonic (EV_A)) |
1088 | { |
1193 | { |
1089 | ev_tstamp odiff = rtmn_diff; |
1194 | ev_tstamp odiff = rtmn_diff; |
1090 | |
1195 | |
1091 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1196 | /* loop a few times, before making important decisions. |
|
|
1197 | * on the choice of "4": one iteration isn't enough, |
|
|
1198 | * in case we get preempted during the calls to |
|
|
1199 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1200 | * to succeed in that case, though. and looping a few more times |
|
|
1201 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1202 | * in the unlikely event of getting preempted here. |
|
|
1203 | */ |
|
|
1204 | for (i = 4; --i; ) |
1092 | { |
1205 | { |
1093 | rtmn_diff = ev_rt_now - mn_now; |
1206 | rtmn_diff = ev_rt_now - mn_now; |
1094 | |
1207 | |
1095 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1208 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1096 | return; /* all is well */ |
1209 | return; /* all is well */ |
… | |
… | |
1142 | static int loop_done; |
1255 | static int loop_done; |
1143 | |
1256 | |
1144 | void |
1257 | void |
1145 | ev_loop (EV_P_ int flags) |
1258 | ev_loop (EV_P_ int flags) |
1146 | { |
1259 | { |
1147 | double block; |
|
|
1148 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1260 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1261 | ? EVUNLOOP_ONE |
|
|
1262 | : EVUNLOOP_CANCEL; |
1149 | |
1263 | |
1150 | do |
1264 | while (activecnt) |
1151 | { |
1265 | { |
1152 | /* queue check watchers (and execute them) */ |
1266 | /* queue check watchers (and execute them) */ |
1153 | if (expect_false (preparecnt)) |
1267 | if (expect_false (preparecnt)) |
1154 | { |
1268 | { |
1155 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1269 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1162 | |
1276 | |
1163 | /* update fd-related kernel structures */ |
1277 | /* update fd-related kernel structures */ |
1164 | fd_reify (EV_A); |
1278 | fd_reify (EV_A); |
1165 | |
1279 | |
1166 | /* calculate blocking time */ |
1280 | /* calculate blocking time */ |
|
|
1281 | { |
|
|
1282 | double block; |
1167 | |
1283 | |
1168 | /* we only need this for !monotonic clock or timers, but as we basically |
1284 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1169 | always have timers, we just calculate it always */ |
1285 | block = 0.; /* do not block at all */ |
|
|
1286 | else |
|
|
1287 | { |
|
|
1288 | /* update time to cancel out callback processing overhead */ |
1170 | #if EV_USE_MONOTONIC |
1289 | #if EV_USE_MONOTONIC |
1171 | if (expect_true (have_monotonic)) |
1290 | if (expect_true (have_monotonic)) |
1172 | time_update_monotonic (EV_A); |
1291 | time_update_monotonic (EV_A); |
1173 | else |
1292 | else |
1174 | #endif |
1293 | #endif |
1175 | { |
1294 | { |
1176 | ev_rt_now = ev_time (); |
1295 | ev_rt_now = ev_time (); |
1177 | mn_now = ev_rt_now; |
1296 | mn_now = ev_rt_now; |
1178 | } |
1297 | } |
1179 | |
1298 | |
1180 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1181 | block = 0.; |
|
|
1182 | else |
|
|
1183 | { |
|
|
1184 | block = MAX_BLOCKTIME; |
1299 | block = MAX_BLOCKTIME; |
1185 | |
1300 | |
1186 | if (timercnt) |
1301 | if (timercnt) |
1187 | { |
1302 | { |
1188 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1303 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1189 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1190 | } |
1305 | } |
1191 | |
1306 | |
1192 | #if EV_PERIODICS |
1307 | #if EV_PERIODICS |
1193 | if (periodiccnt) |
1308 | if (periodiccnt) |
1194 | { |
1309 | { |
1195 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1310 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1196 | if (block > to) block = to; |
1311 | if (block > to) block = to; |
1197 | } |
1312 | } |
1198 | #endif |
1313 | #endif |
1199 | |
1314 | |
1200 | if (block < 0.) block = 0.; |
1315 | if (expect_false (block < 0.)) block = 0.; |
1201 | } |
1316 | } |
1202 | |
1317 | |
1203 | method_poll (EV_A_ block); |
1318 | backend_poll (EV_A_ block); |
|
|
1319 | } |
1204 | |
1320 | |
1205 | /* update ev_rt_now, do magic */ |
1321 | /* update ev_rt_now, do magic */ |
1206 | time_update (EV_A); |
1322 | time_update (EV_A); |
1207 | |
1323 | |
1208 | /* queue pending timers and reschedule them */ |
1324 | /* queue pending timers and reschedule them */ |
1209 | timers_reify (EV_A); /* relative timers called last */ |
1325 | timers_reify (EV_A); /* relative timers called last */ |
1210 | #if EV_PERIODICS |
1326 | #if EV_PERIODICS |
1211 | periodics_reify (EV_A); /* absolute timers called first */ |
1327 | periodics_reify (EV_A); /* absolute timers called first */ |
1212 | #endif |
1328 | #endif |
1213 | |
1329 | |
1214 | /* queue idle watchers unless io or timers are pending */ |
1330 | /* queue idle watchers unless other events are pending */ |
1215 | if (idlecnt && !any_pending (EV_A)) |
1331 | if (idlecnt && !any_pending (EV_A)) |
1216 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1332 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1217 | |
1333 | |
1218 | /* queue check watchers, to be executed first */ |
1334 | /* queue check watchers, to be executed first */ |
1219 | if (checkcnt) |
1335 | if (expect_false (checkcnt)) |
1220 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1336 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1221 | |
1337 | |
1222 | call_pending (EV_A); |
1338 | call_pending (EV_A); |
1223 | } |
|
|
1224 | while (activecnt && !loop_done); |
|
|
1225 | |
1339 | |
1226 | if (loop_done != 2) |
1340 | if (expect_false (loop_done)) |
1227 | loop_done = 0; |
1341 | break; |
|
|
1342 | } |
|
|
1343 | |
|
|
1344 | if (loop_done == EVUNLOOP_ONE) |
|
|
1345 | loop_done = EVUNLOOP_CANCEL; |
1228 | } |
1346 | } |
1229 | |
1347 | |
1230 | void |
1348 | void |
1231 | ev_unloop (EV_P_ int how) |
1349 | ev_unloop (EV_P_ int how) |
1232 | { |
1350 | { |
… | |
… | |
1285 | } |
1403 | } |
1286 | |
1404 | |
1287 | /*****************************************************************************/ |
1405 | /*****************************************************************************/ |
1288 | |
1406 | |
1289 | void |
1407 | void |
1290 | ev_io_start (EV_P_ struct ev_io *w) |
1408 | ev_io_start (EV_P_ ev_io *w) |
1291 | { |
1409 | { |
1292 | int fd = w->fd; |
1410 | int fd = w->fd; |
1293 | |
1411 | |
1294 | if (ev_is_active (w)) |
1412 | if (expect_false (ev_is_active (w))) |
1295 | return; |
1413 | return; |
1296 | |
1414 | |
1297 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1415 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1298 | |
1416 | |
1299 | ev_start (EV_A_ (W)w, 1); |
1417 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1302 | |
1420 | |
1303 | fd_change (EV_A_ fd); |
1421 | fd_change (EV_A_ fd); |
1304 | } |
1422 | } |
1305 | |
1423 | |
1306 | void |
1424 | void |
1307 | ev_io_stop (EV_P_ struct ev_io *w) |
1425 | ev_io_stop (EV_P_ ev_io *w) |
1308 | { |
1426 | { |
1309 | ev_clear_pending (EV_A_ (W)w); |
1427 | ev_clear_pending (EV_A_ (W)w); |
1310 | if (!ev_is_active (w)) |
1428 | if (expect_false (!ev_is_active (w))) |
1311 | return; |
1429 | return; |
1312 | |
1430 | |
1313 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1431 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1314 | |
1432 | |
1315 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1433 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1317 | |
1435 | |
1318 | fd_change (EV_A_ w->fd); |
1436 | fd_change (EV_A_ w->fd); |
1319 | } |
1437 | } |
1320 | |
1438 | |
1321 | void |
1439 | void |
1322 | ev_timer_start (EV_P_ struct ev_timer *w) |
1440 | ev_timer_start (EV_P_ ev_timer *w) |
1323 | { |
1441 | { |
1324 | if (ev_is_active (w)) |
1442 | if (expect_false (ev_is_active (w))) |
1325 | return; |
1443 | return; |
1326 | |
1444 | |
1327 | ((WT)w)->at += mn_now; |
1445 | ((WT)w)->at += mn_now; |
1328 | |
1446 | |
1329 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1447 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1330 | |
1448 | |
1331 | ev_start (EV_A_ (W)w, ++timercnt); |
1449 | ev_start (EV_A_ (W)w, ++timercnt); |
1332 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1450 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1333 | timers [timercnt - 1] = w; |
1451 | timers [timercnt - 1] = w; |
1334 | upheap ((WT *)timers, timercnt - 1); |
1452 | upheap ((WT *)timers, timercnt - 1); |
1335 | |
1453 | |
1336 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1337 | } |
1455 | } |
1338 | |
1456 | |
1339 | void |
1457 | void |
1340 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1458 | ev_timer_stop (EV_P_ ev_timer *w) |
1341 | { |
1459 | { |
1342 | ev_clear_pending (EV_A_ (W)w); |
1460 | ev_clear_pending (EV_A_ (W)w); |
1343 | if (!ev_is_active (w)) |
1461 | if (expect_false (!ev_is_active (w))) |
1344 | return; |
1462 | return; |
1345 | |
1463 | |
1346 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1464 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1347 | |
1465 | |
1348 | if (((W)w)->active < timercnt--) |
1466 | if (expect_true (((W)w)->active < timercnt--)) |
1349 | { |
1467 | { |
1350 | timers [((W)w)->active - 1] = timers [timercnt]; |
1468 | timers [((W)w)->active - 1] = timers [timercnt]; |
1351 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1469 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1352 | } |
1470 | } |
1353 | |
1471 | |
1354 | ((WT)w)->at -= mn_now; |
1472 | ((WT)w)->at -= mn_now; |
1355 | |
1473 | |
1356 | ev_stop (EV_A_ (W)w); |
1474 | ev_stop (EV_A_ (W)w); |
1357 | } |
1475 | } |
1358 | |
1476 | |
1359 | void |
1477 | void |
1360 | ev_timer_again (EV_P_ struct ev_timer *w) |
1478 | ev_timer_again (EV_P_ ev_timer *w) |
1361 | { |
1479 | { |
1362 | if (ev_is_active (w)) |
1480 | if (ev_is_active (w)) |
1363 | { |
1481 | { |
1364 | if (w->repeat) |
1482 | if (w->repeat) |
|
|
1483 | { |
|
|
1484 | ((WT)w)->at = mn_now + w->repeat; |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1485 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
|
|
1486 | } |
1366 | else |
1487 | else |
1367 | ev_timer_stop (EV_A_ w); |
1488 | ev_timer_stop (EV_A_ w); |
1368 | } |
1489 | } |
1369 | else if (w->repeat) |
1490 | else if (w->repeat) |
|
|
1491 | { |
|
|
1492 | w->at = w->repeat; |
1370 | ev_timer_start (EV_A_ w); |
1493 | ev_timer_start (EV_A_ w); |
|
|
1494 | } |
1371 | } |
1495 | } |
1372 | |
1496 | |
1373 | #if EV_PERIODICS |
1497 | #if EV_PERIODICS |
1374 | void |
1498 | void |
1375 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1499 | ev_periodic_start (EV_P_ ev_periodic *w) |
1376 | { |
1500 | { |
1377 | if (ev_is_active (w)) |
1501 | if (expect_false (ev_is_active (w))) |
1378 | return; |
1502 | return; |
1379 | |
1503 | |
1380 | if (w->reschedule_cb) |
1504 | if (w->reschedule_cb) |
1381 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1505 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1382 | else if (w->interval) |
1506 | else if (w->interval) |
… | |
… | |
1385 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1509 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1386 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1510 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1387 | } |
1511 | } |
1388 | |
1512 | |
1389 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1513 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1390 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1514 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1391 | periodics [periodiccnt - 1] = w; |
1515 | periodics [periodiccnt - 1] = w; |
1392 | upheap ((WT *)periodics, periodiccnt - 1); |
1516 | upheap ((WT *)periodics, periodiccnt - 1); |
1393 | |
1517 | |
1394 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1395 | } |
1519 | } |
1396 | |
1520 | |
1397 | void |
1521 | void |
1398 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1522 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1399 | { |
1523 | { |
1400 | ev_clear_pending (EV_A_ (W)w); |
1524 | ev_clear_pending (EV_A_ (W)w); |
1401 | if (!ev_is_active (w)) |
1525 | if (expect_false (!ev_is_active (w))) |
1402 | return; |
1526 | return; |
1403 | |
1527 | |
1404 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1528 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1405 | |
1529 | |
1406 | if (((W)w)->active < periodiccnt--) |
1530 | if (expect_true (((W)w)->active < periodiccnt--)) |
1407 | { |
1531 | { |
1408 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1532 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1409 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1533 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1410 | } |
1534 | } |
1411 | |
1535 | |
1412 | ev_stop (EV_A_ (W)w); |
1536 | ev_stop (EV_A_ (W)w); |
1413 | } |
1537 | } |
1414 | |
1538 | |
1415 | void |
1539 | void |
1416 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1540 | ev_periodic_again (EV_P_ ev_periodic *w) |
1417 | { |
1541 | { |
1418 | /* TODO: use adjustheap and recalculation */ |
1542 | /* TODO: use adjustheap and recalculation */ |
1419 | ev_periodic_stop (EV_A_ w); |
1543 | ev_periodic_stop (EV_A_ w); |
1420 | ev_periodic_start (EV_A_ w); |
1544 | ev_periodic_start (EV_A_ w); |
1421 | } |
1545 | } |
1422 | #endif |
1546 | #endif |
1423 | |
1547 | |
1424 | void |
1548 | void |
1425 | ev_idle_start (EV_P_ struct ev_idle *w) |
1549 | ev_idle_start (EV_P_ ev_idle *w) |
1426 | { |
1550 | { |
1427 | if (ev_is_active (w)) |
1551 | if (expect_false (ev_is_active (w))) |
1428 | return; |
1552 | return; |
1429 | |
1553 | |
1430 | ev_start (EV_A_ (W)w, ++idlecnt); |
1554 | ev_start (EV_A_ (W)w, ++idlecnt); |
1431 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1555 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1432 | idles [idlecnt - 1] = w; |
1556 | idles [idlecnt - 1] = w; |
1433 | } |
1557 | } |
1434 | |
1558 | |
1435 | void |
1559 | void |
1436 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1560 | ev_idle_stop (EV_P_ ev_idle *w) |
1437 | { |
1561 | { |
1438 | ev_clear_pending (EV_A_ (W)w); |
1562 | ev_clear_pending (EV_A_ (W)w); |
1439 | if (ev_is_active (w)) |
1563 | if (expect_false (!ev_is_active (w))) |
1440 | return; |
1564 | return; |
1441 | |
1565 | |
|
|
1566 | { |
|
|
1567 | int active = ((W)w)->active; |
1442 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1568 | idles [active - 1] = idles [--idlecnt]; |
|
|
1569 | ((W)idles [active - 1])->active = active; |
|
|
1570 | } |
|
|
1571 | |
1443 | ev_stop (EV_A_ (W)w); |
1572 | ev_stop (EV_A_ (W)w); |
1444 | } |
1573 | } |
1445 | |
1574 | |
1446 | void |
1575 | void |
1447 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1576 | ev_prepare_start (EV_P_ ev_prepare *w) |
1448 | { |
1577 | { |
1449 | if (ev_is_active (w)) |
1578 | if (expect_false (ev_is_active (w))) |
1450 | return; |
1579 | return; |
1451 | |
1580 | |
1452 | ev_start (EV_A_ (W)w, ++preparecnt); |
1581 | ev_start (EV_A_ (W)w, ++preparecnt); |
1453 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1582 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1454 | prepares [preparecnt - 1] = w; |
1583 | prepares [preparecnt - 1] = w; |
1455 | } |
1584 | } |
1456 | |
1585 | |
1457 | void |
1586 | void |
1458 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1587 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1459 | { |
1588 | { |
1460 | ev_clear_pending (EV_A_ (W)w); |
1589 | ev_clear_pending (EV_A_ (W)w); |
1461 | if (ev_is_active (w)) |
1590 | if (expect_false (!ev_is_active (w))) |
1462 | return; |
1591 | return; |
1463 | |
1592 | |
|
|
1593 | { |
|
|
1594 | int active = ((W)w)->active; |
1464 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1595 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1596 | ((W)prepares [active - 1])->active = active; |
|
|
1597 | } |
|
|
1598 | |
1465 | ev_stop (EV_A_ (W)w); |
1599 | ev_stop (EV_A_ (W)w); |
1466 | } |
1600 | } |
1467 | |
1601 | |
1468 | void |
1602 | void |
1469 | ev_check_start (EV_P_ struct ev_check *w) |
1603 | ev_check_start (EV_P_ ev_check *w) |
1470 | { |
1604 | { |
1471 | if (ev_is_active (w)) |
1605 | if (expect_false (ev_is_active (w))) |
1472 | return; |
1606 | return; |
1473 | |
1607 | |
1474 | ev_start (EV_A_ (W)w, ++checkcnt); |
1608 | ev_start (EV_A_ (W)w, ++checkcnt); |
1475 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1609 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1476 | checks [checkcnt - 1] = w; |
1610 | checks [checkcnt - 1] = w; |
1477 | } |
1611 | } |
1478 | |
1612 | |
1479 | void |
1613 | void |
1480 | ev_check_stop (EV_P_ struct ev_check *w) |
1614 | ev_check_stop (EV_P_ ev_check *w) |
1481 | { |
1615 | { |
1482 | ev_clear_pending (EV_A_ (W)w); |
1616 | ev_clear_pending (EV_A_ (W)w); |
1483 | if (!ev_is_active (w)) |
1617 | if (expect_false (!ev_is_active (w))) |
1484 | return; |
1618 | return; |
1485 | |
1619 | |
|
|
1620 | { |
|
|
1621 | int active = ((W)w)->active; |
1486 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1622 | checks [active - 1] = checks [--checkcnt]; |
|
|
1623 | ((W)checks [active - 1])->active = active; |
|
|
1624 | } |
|
|
1625 | |
1487 | ev_stop (EV_A_ (W)w); |
1626 | ev_stop (EV_A_ (W)w); |
1488 | } |
1627 | } |
1489 | |
1628 | |
1490 | #ifndef SA_RESTART |
1629 | #ifndef SA_RESTART |
1491 | # define SA_RESTART 0 |
1630 | # define SA_RESTART 0 |
1492 | #endif |
1631 | #endif |
1493 | |
1632 | |
1494 | void |
1633 | void |
1495 | ev_signal_start (EV_P_ struct ev_signal *w) |
1634 | ev_signal_start (EV_P_ ev_signal *w) |
1496 | { |
1635 | { |
1497 | #if EV_MULTIPLICITY |
1636 | #if EV_MULTIPLICITY |
1498 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1637 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1499 | #endif |
1638 | #endif |
1500 | if (ev_is_active (w)) |
1639 | if (expect_false (ev_is_active (w))) |
1501 | return; |
1640 | return; |
1502 | |
1641 | |
1503 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1642 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1504 | |
1643 | |
1505 | ev_start (EV_A_ (W)w, 1); |
1644 | ev_start (EV_A_ (W)w, 1); |
1506 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1645 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1507 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1646 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1508 | |
1647 | |
1509 | if (!((WL)w)->next) |
1648 | if (!((WL)w)->next) |
1510 | { |
1649 | { |
1511 | #if WIN32 |
1650 | #if _WIN32 |
1512 | signal (w->signum, sighandler); |
1651 | signal (w->signum, sighandler); |
1513 | #else |
1652 | #else |
1514 | struct sigaction sa; |
1653 | struct sigaction sa; |
1515 | sa.sa_handler = sighandler; |
1654 | sa.sa_handler = sighandler; |
1516 | sigfillset (&sa.sa_mask); |
1655 | sigfillset (&sa.sa_mask); |
… | |
… | |
1519 | #endif |
1658 | #endif |
1520 | } |
1659 | } |
1521 | } |
1660 | } |
1522 | |
1661 | |
1523 | void |
1662 | void |
1524 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1663 | ev_signal_stop (EV_P_ ev_signal *w) |
1525 | { |
1664 | { |
1526 | ev_clear_pending (EV_A_ (W)w); |
1665 | ev_clear_pending (EV_A_ (W)w); |
1527 | if (!ev_is_active (w)) |
1666 | if (expect_false (!ev_is_active (w))) |
1528 | return; |
1667 | return; |
1529 | |
1668 | |
1530 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1669 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1531 | ev_stop (EV_A_ (W)w); |
1670 | ev_stop (EV_A_ (W)w); |
1532 | |
1671 | |
1533 | if (!signals [w->signum - 1].head) |
1672 | if (!signals [w->signum - 1].head) |
1534 | signal (w->signum, SIG_DFL); |
1673 | signal (w->signum, SIG_DFL); |
1535 | } |
1674 | } |
1536 | |
1675 | |
1537 | void |
1676 | void |
1538 | ev_child_start (EV_P_ struct ev_child *w) |
1677 | ev_child_start (EV_P_ ev_child *w) |
1539 | { |
1678 | { |
1540 | #if EV_MULTIPLICITY |
1679 | #if EV_MULTIPLICITY |
1541 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1680 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1542 | #endif |
1681 | #endif |
1543 | if (ev_is_active (w)) |
1682 | if (expect_false (ev_is_active (w))) |
1544 | return; |
1683 | return; |
1545 | |
1684 | |
1546 | ev_start (EV_A_ (W)w, 1); |
1685 | ev_start (EV_A_ (W)w, 1); |
1547 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1686 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1548 | } |
1687 | } |
1549 | |
1688 | |
1550 | void |
1689 | void |
1551 | ev_child_stop (EV_P_ struct ev_child *w) |
1690 | ev_child_stop (EV_P_ ev_child *w) |
1552 | { |
1691 | { |
1553 | ev_clear_pending (EV_A_ (W)w); |
1692 | ev_clear_pending (EV_A_ (W)w); |
1554 | if (!ev_is_active (w)) |
1693 | if (expect_false (!ev_is_active (w))) |
1555 | return; |
1694 | return; |
1556 | |
1695 | |
1557 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1696 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1558 | ev_stop (EV_A_ (W)w); |
1697 | ev_stop (EV_A_ (W)w); |
1559 | } |
1698 | } |
1560 | |
1699 | |
|
|
1700 | #if EV_MULTIPLICITY |
|
|
1701 | void |
|
|
1702 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
1703 | { |
|
|
1704 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | static void |
|
|
1708 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1709 | { |
|
|
1710 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1711 | |
|
|
1712 | if (ev_cb (w)) |
|
|
1713 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1714 | else |
|
|
1715 | ev_embed_sweep (loop, w); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void |
|
|
1719 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1720 | { |
|
|
1721 | if (expect_false (ev_is_active (w))) |
|
|
1722 | return; |
|
|
1723 | |
|
|
1724 | { |
|
|
1725 | struct ev_loop *loop = w->loop; |
|
|
1726 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1727 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1728 | } |
|
|
1729 | |
|
|
1730 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1731 | ev_io_start (EV_A_ &w->io); |
|
|
1732 | ev_start (EV_A_ (W)w, 1); |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | void |
|
|
1736 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1737 | { |
|
|
1738 | ev_clear_pending (EV_A_ (W)w); |
|
|
1739 | if (expect_false (!ev_is_active (w))) |
|
|
1740 | return; |
|
|
1741 | |
|
|
1742 | ev_io_stop (EV_A_ &w->io); |
|
|
1743 | ev_stop (EV_A_ (W)w); |
|
|
1744 | } |
|
|
1745 | #endif |
|
|
1746 | |
1561 | /*****************************************************************************/ |
1747 | /*****************************************************************************/ |
1562 | |
1748 | |
1563 | struct ev_once |
1749 | struct ev_once |
1564 | { |
1750 | { |
1565 | struct ev_io io; |
1751 | ev_io io; |
1566 | struct ev_timer to; |
1752 | ev_timer to; |
1567 | void (*cb)(int revents, void *arg); |
1753 | void (*cb)(int revents, void *arg); |
1568 | void *arg; |
1754 | void *arg; |
1569 | }; |
1755 | }; |
1570 | |
1756 | |
1571 | static void |
1757 | static void |
… | |
… | |
1580 | |
1766 | |
1581 | cb (revents, arg); |
1767 | cb (revents, arg); |
1582 | } |
1768 | } |
1583 | |
1769 | |
1584 | static void |
1770 | static void |
1585 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1771 | once_cb_io (EV_P_ ev_io *w, int revents) |
1586 | { |
1772 | { |
1587 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1773 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1588 | } |
1774 | } |
1589 | |
1775 | |
1590 | static void |
1776 | static void |
1591 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1777 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1592 | { |
1778 | { |
1593 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1779 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1594 | } |
1780 | } |
1595 | |
1781 | |
1596 | void |
1782 | void |
1597 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1783 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1598 | { |
1784 | { |
1599 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1785 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1600 | |
1786 | |
1601 | if (!once) |
1787 | if (expect_false (!once)) |
|
|
1788 | { |
1602 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1789 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1603 | else |
1790 | return; |
1604 | { |
1791 | } |
|
|
1792 | |
1605 | once->cb = cb; |
1793 | once->cb = cb; |
1606 | once->arg = arg; |
1794 | once->arg = arg; |
1607 | |
1795 | |
1608 | ev_init (&once->io, once_cb_io); |
1796 | ev_init (&once->io, once_cb_io); |
1609 | if (fd >= 0) |
1797 | if (fd >= 0) |
1610 | { |
1798 | { |
1611 | ev_io_set (&once->io, fd, events); |
1799 | ev_io_set (&once->io, fd, events); |
1612 | ev_io_start (EV_A_ &once->io); |
1800 | ev_io_start (EV_A_ &once->io); |
1613 | } |
1801 | } |
1614 | |
1802 | |
1615 | ev_init (&once->to, once_cb_to); |
1803 | ev_init (&once->to, once_cb_to); |
1616 | if (timeout >= 0.) |
1804 | if (timeout >= 0.) |
1617 | { |
1805 | { |
1618 | ev_timer_set (&once->to, timeout, 0.); |
1806 | ev_timer_set (&once->to, timeout, 0.); |
1619 | ev_timer_start (EV_A_ &once->to); |
1807 | ev_timer_start (EV_A_ &once->to); |
1620 | } |
|
|
1621 | } |
1808 | } |
1622 | } |
1809 | } |
1623 | |
1810 | |
1624 | #ifdef __cplusplus |
1811 | #ifdef __cplusplus |
1625 | } |
1812 | } |