… | |
… | |
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_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 |
|
|
97 | # endif |
|
|
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
62 | # endif |
105 | # endif |
63 | |
106 | |
64 | #endif |
107 | #endif |
65 | |
108 | |
66 | #include <math.h> |
109 | #include <math.h> |
… | |
… | |
75 | #include <sys/types.h> |
118 | #include <sys/types.h> |
76 | #include <time.h> |
119 | #include <time.h> |
77 | |
120 | |
78 | #include <signal.h> |
121 | #include <signal.h> |
79 | |
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
|
|
128 | |
80 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
81 | # include <unistd.h> |
|
|
82 | # include <sys/time.h> |
130 | # include <sys/time.h> |
83 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
|
|
132 | # include <unistd.h> |
84 | #else |
133 | #else |
85 | # define WIN32_LEAN_AND_MEAN |
134 | # define WIN32_LEAN_AND_MEAN |
86 | # include <windows.h> |
135 | # include <windows.h> |
87 | # ifndef EV_SELECT_IS_WINSOCKET |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
88 | # define EV_SELECT_IS_WINSOCKET 1 |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
90 | #endif |
139 | #endif |
91 | |
140 | |
92 | /**/ |
141 | /**/ |
93 | |
142 | |
94 | #ifndef EV_USE_MONOTONIC |
143 | #ifndef EV_USE_MONOTONIC |
95 | # define EV_USE_MONOTONIC 1 |
144 | # define EV_USE_MONOTONIC 0 |
|
|
145 | #endif |
|
|
146 | |
|
|
147 | #ifndef EV_USE_REALTIME |
|
|
148 | # define EV_USE_REALTIME 0 |
96 | #endif |
149 | #endif |
97 | |
150 | |
98 | #ifndef EV_USE_SELECT |
151 | #ifndef EV_USE_SELECT |
99 | # define EV_USE_SELECT 1 |
152 | # define EV_USE_SELECT 1 |
100 | # define EV_SELECT_USE_FD_SET 1 |
|
|
101 | #endif |
153 | #endif |
102 | |
154 | |
103 | #ifndef EV_USE_POLL |
155 | #ifndef EV_USE_POLL |
104 | # ifdef _WIN32 |
156 | # ifdef _WIN32 |
105 | # define EV_USE_POLL 0 |
157 | # define EV_USE_POLL 0 |
… | |
… | |
114 | |
166 | |
115 | #ifndef EV_USE_KQUEUE |
167 | #ifndef EV_USE_KQUEUE |
116 | # define EV_USE_KQUEUE 0 |
168 | # define EV_USE_KQUEUE 0 |
117 | #endif |
169 | #endif |
118 | |
170 | |
119 | #ifndef EV_USE_REALTIME |
171 | #ifndef EV_USE_PORT |
120 | # define EV_USE_REALTIME 1 |
172 | # define EV_USE_PORT 0 |
|
|
173 | #endif |
|
|
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
121 | #endif |
193 | #endif |
122 | |
194 | |
123 | /**/ |
195 | /**/ |
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
|
|
130 | |
196 | |
131 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
133 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
134 | #endif |
200 | #endif |
… | |
… | |
140 | |
206 | |
141 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
142 | # include <winsock.h> |
208 | # include <winsock.h> |
143 | #endif |
209 | #endif |
144 | |
210 | |
|
|
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
145 | /**/ |
219 | /**/ |
146 | |
220 | |
147 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
148 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
149 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
150 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
151 | |
|
|
152 | #ifdef EV_H |
|
|
153 | # include EV_H |
|
|
154 | #else |
|
|
155 | # include "ev.h" |
|
|
156 | #endif |
|
|
157 | |
224 | |
158 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
227 | # define inline_size static inline /* inline for codesize */ |
|
|
228 | # if EV_MINIMAL |
160 | # define inline inline |
229 | # define noinline __attribute__ ((noinline)) |
|
|
230 | # define inline_speed static noinline |
|
|
231 | # else |
|
|
232 | # define noinline |
|
|
233 | # define inline_speed static inline |
|
|
234 | # endif |
161 | #else |
235 | #else |
162 | # define expect(expr,value) (expr) |
236 | # define expect(expr,value) (expr) |
|
|
237 | # define inline_speed static |
163 | # define inline static |
238 | # define inline_size static |
|
|
239 | # define noinline |
164 | #endif |
240 | #endif |
165 | |
241 | |
166 | #define expect_false(expr) expect ((expr) != 0, 0) |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
167 | #define expect_true(expr) expect ((expr) != 0, 1) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
168 | |
244 | |
… | |
… | |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
171 | |
247 | |
172 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
173 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
174 | |
250 | |
175 | typedef struct ev_watcher *W; |
251 | typedef ev_watcher *W; |
176 | typedef struct ev_watcher_list *WL; |
252 | typedef ev_watcher_list *WL; |
177 | typedef struct ev_watcher_time *WT; |
253 | typedef ev_watcher_time *WT; |
178 | |
254 | |
179 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
180 | |
256 | |
181 | #ifdef _WIN32 |
257 | #ifdef _WIN32 |
182 | # include "ev_win32.c" |
258 | # include "ev_win32.c" |
… | |
… | |
184 | |
260 | |
185 | /*****************************************************************************/ |
261 | /*****************************************************************************/ |
186 | |
262 | |
187 | static void (*syserr_cb)(const char *msg); |
263 | static void (*syserr_cb)(const char *msg); |
188 | |
264 | |
|
|
265 | void |
189 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
266 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
190 | { |
267 | { |
191 | syserr_cb = cb; |
268 | syserr_cb = cb; |
192 | } |
269 | } |
193 | |
270 | |
194 | static void |
271 | static void noinline |
195 | syserr (const char *msg) |
272 | syserr (const char *msg) |
196 | { |
273 | { |
197 | if (!msg) |
274 | if (!msg) |
198 | msg = "(libev) system error"; |
275 | msg = "(libev) system error"; |
199 | |
276 | |
… | |
… | |
204 | perror (msg); |
281 | perror (msg); |
205 | abort (); |
282 | abort (); |
206 | } |
283 | } |
207 | } |
284 | } |
208 | |
285 | |
209 | static void *(*alloc)(void *ptr, long size); |
286 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
210 | |
287 | |
|
|
288 | void |
211 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
212 | { |
290 | { |
213 | alloc = cb; |
291 | alloc = cb; |
214 | } |
292 | } |
215 | |
293 | |
216 | static void * |
294 | inline_speed void * |
217 | ev_realloc (void *ptr, long size) |
295 | ev_realloc (void *ptr, size_t size) |
218 | { |
296 | { |
219 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc (ptr, size); |
220 | |
298 | |
221 | if (!ptr && size) |
299 | if (!ptr && size) |
222 | { |
300 | { |
223 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
301 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
224 | abort (); |
302 | abort (); |
225 | } |
303 | } |
226 | |
304 | |
227 | return ptr; |
305 | return ptr; |
228 | } |
306 | } |
… | |
… | |
245 | typedef struct |
323 | typedef struct |
246 | { |
324 | { |
247 | W w; |
325 | W w; |
248 | int events; |
326 | int events; |
249 | } ANPENDING; |
327 | } ANPENDING; |
|
|
328 | |
|
|
329 | typedef struct |
|
|
330 | { |
|
|
331 | #if EV_USE_INOTIFY |
|
|
332 | WL head; |
|
|
333 | #endif |
|
|
334 | } ANFS; |
250 | |
335 | |
251 | #if EV_MULTIPLICITY |
336 | #if EV_MULTIPLICITY |
252 | |
337 | |
253 | struct ev_loop |
338 | struct ev_loop |
254 | { |
339 | { |
… | |
… | |
288 | gettimeofday (&tv, 0); |
373 | gettimeofday (&tv, 0); |
289 | return tv.tv_sec + tv.tv_usec * 1e-6; |
374 | return tv.tv_sec + tv.tv_usec * 1e-6; |
290 | #endif |
375 | #endif |
291 | } |
376 | } |
292 | |
377 | |
293 | inline ev_tstamp |
378 | ev_tstamp inline_size |
294 | get_clock (void) |
379 | get_clock (void) |
295 | { |
380 | { |
296 | #if EV_USE_MONOTONIC |
381 | #if EV_USE_MONOTONIC |
297 | if (expect_true (have_monotonic)) |
382 | if (expect_true (have_monotonic)) |
298 | { |
383 | { |
… | |
… | |
341 | #define array_free(stem, idx) \ |
426 | #define array_free(stem, idx) \ |
342 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
343 | |
428 | |
344 | /*****************************************************************************/ |
429 | /*****************************************************************************/ |
345 | |
430 | |
346 | static void |
431 | void noinline |
347 | anfds_init (ANFD *base, int count) |
|
|
348 | { |
|
|
349 | while (count--) |
|
|
350 | { |
|
|
351 | base->head = 0; |
|
|
352 | base->events = EV_NONE; |
|
|
353 | base->reify = 0; |
|
|
354 | |
|
|
355 | ++base; |
|
|
356 | } |
|
|
357 | } |
|
|
358 | |
|
|
359 | void |
|
|
360 | ev_feed_event (EV_P_ void *w, int revents) |
432 | ev_feed_event (EV_P_ void *w, int revents) |
361 | { |
433 | { |
362 | W w_ = (W)w; |
434 | W w_ = (W)w; |
363 | |
435 | |
364 | if (w_->pending) |
436 | if (expect_false (w_->pending)) |
365 | { |
437 | { |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
367 | return; |
439 | return; |
368 | } |
440 | } |
369 | |
441 | |
… | |
… | |
371 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
372 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
373 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
374 | } |
446 | } |
375 | |
447 | |
376 | static void |
448 | void inline_size |
377 | queue_events (EV_P_ W *events, int eventcnt, int type) |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
378 | { |
450 | { |
379 | int i; |
451 | int i; |
380 | |
452 | |
381 | for (i = 0; i < eventcnt; ++i) |
453 | for (i = 0; i < eventcnt; ++i) |
382 | ev_feed_event (EV_A_ events [i], type); |
454 | ev_feed_event (EV_A_ events [i], type); |
383 | } |
455 | } |
384 | |
456 | |
385 | inline void |
457 | /*****************************************************************************/ |
|
|
458 | |
|
|
459 | void inline_size |
|
|
460 | anfds_init (ANFD *base, int count) |
|
|
461 | { |
|
|
462 | while (count--) |
|
|
463 | { |
|
|
464 | base->head = 0; |
|
|
465 | base->events = EV_NONE; |
|
|
466 | base->reify = 0; |
|
|
467 | |
|
|
468 | ++base; |
|
|
469 | } |
|
|
470 | } |
|
|
471 | |
|
|
472 | void inline_speed |
386 | fd_event (EV_P_ int fd, int revents) |
473 | fd_event (EV_P_ int fd, int revents) |
387 | { |
474 | { |
388 | ANFD *anfd = anfds + fd; |
475 | ANFD *anfd = anfds + fd; |
389 | struct ev_io *w; |
476 | ev_io *w; |
390 | |
477 | |
391 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
478 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
392 | { |
479 | { |
393 | int ev = w->events & revents; |
480 | int ev = w->events & revents; |
394 | |
481 | |
395 | if (ev) |
482 | if (ev) |
396 | ev_feed_event (EV_A_ (W)w, ev); |
483 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
401 | ev_feed_fd_event (EV_P_ int fd, int revents) |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
402 | { |
489 | { |
403 | fd_event (EV_A_ fd, revents); |
490 | fd_event (EV_A_ fd, revents); |
404 | } |
491 | } |
405 | |
492 | |
406 | /*****************************************************************************/ |
493 | void inline_size |
407 | |
|
|
408 | static void |
|
|
409 | fd_reify (EV_P) |
494 | fd_reify (EV_P) |
410 | { |
495 | { |
411 | int i; |
496 | int i; |
412 | |
497 | |
413 | for (i = 0; i < fdchangecnt; ++i) |
498 | for (i = 0; i < fdchangecnt; ++i) |
414 | { |
499 | { |
415 | int fd = fdchanges [i]; |
500 | int fd = fdchanges [i]; |
416 | ANFD *anfd = anfds + fd; |
501 | ANFD *anfd = anfds + fd; |
417 | struct ev_io *w; |
502 | ev_io *w; |
418 | |
503 | |
419 | int events = 0; |
504 | int events = 0; |
420 | |
505 | |
421 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
422 | events |= w->events; |
507 | events |= w->events; |
423 | |
508 | |
424 | #if EV_SELECT_IS_WINSOCKET |
509 | #if EV_SELECT_IS_WINSOCKET |
425 | if (events) |
510 | if (events) |
426 | { |
511 | { |
… | |
… | |
430 | } |
515 | } |
431 | #endif |
516 | #endif |
432 | |
517 | |
433 | anfd->reify = 0; |
518 | anfd->reify = 0; |
434 | |
519 | |
435 | method_modify (EV_A_ fd, anfd->events, events); |
520 | backend_modify (EV_A_ fd, anfd->events, events); |
436 | anfd->events = events; |
521 | anfd->events = events; |
437 | } |
522 | } |
438 | |
523 | |
439 | fdchangecnt = 0; |
524 | fdchangecnt = 0; |
440 | } |
525 | } |
441 | |
526 | |
442 | static void |
527 | void inline_size |
443 | fd_change (EV_P_ int fd) |
528 | fd_change (EV_P_ int fd) |
444 | { |
529 | { |
445 | if (anfds [fd].reify) |
530 | if (expect_false (anfds [fd].reify)) |
446 | return; |
531 | return; |
447 | |
532 | |
448 | anfds [fd].reify = 1; |
533 | anfds [fd].reify = 1; |
449 | |
534 | |
450 | ++fdchangecnt; |
535 | ++fdchangecnt; |
451 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
452 | fdchanges [fdchangecnt - 1] = fd; |
537 | fdchanges [fdchangecnt - 1] = fd; |
453 | } |
538 | } |
454 | |
539 | |
455 | static void |
540 | void inline_speed |
456 | fd_kill (EV_P_ int fd) |
541 | fd_kill (EV_P_ int fd) |
457 | { |
542 | { |
458 | struct ev_io *w; |
543 | ev_io *w; |
459 | |
544 | |
460 | while ((w = (struct ev_io *)anfds [fd].head)) |
545 | while ((w = (ev_io *)anfds [fd].head)) |
461 | { |
546 | { |
462 | ev_io_stop (EV_A_ w); |
547 | ev_io_stop (EV_A_ w); |
463 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
548 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
464 | } |
549 | } |
465 | } |
550 | } |
466 | |
551 | |
467 | static int |
552 | int inline_size |
468 | fd_valid (int fd) |
553 | fd_valid (int fd) |
469 | { |
554 | { |
470 | #ifdef _WIN32 |
555 | #ifdef _WIN32 |
471 | return _get_osfhandle (fd) != -1; |
556 | return _get_osfhandle (fd) != -1; |
472 | #else |
557 | #else |
473 | return fcntl (fd, F_GETFD) != -1; |
558 | return fcntl (fd, F_GETFD) != -1; |
474 | #endif |
559 | #endif |
475 | } |
560 | } |
476 | |
561 | |
477 | /* called on EBADF to verify fds */ |
562 | /* called on EBADF to verify fds */ |
478 | static void |
563 | static void noinline |
479 | fd_ebadf (EV_P) |
564 | fd_ebadf (EV_P) |
480 | { |
565 | { |
481 | int fd; |
566 | int fd; |
482 | |
567 | |
483 | for (fd = 0; fd < anfdmax; ++fd) |
568 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
485 | if (!fd_valid (fd) == -1 && errno == EBADF) |
570 | if (!fd_valid (fd) == -1 && errno == EBADF) |
486 | fd_kill (EV_A_ fd); |
571 | fd_kill (EV_A_ fd); |
487 | } |
572 | } |
488 | |
573 | |
489 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
574 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
490 | static void |
575 | static void noinline |
491 | fd_enomem (EV_P) |
576 | fd_enomem (EV_P) |
492 | { |
577 | { |
493 | int fd; |
578 | int fd; |
494 | |
579 | |
495 | for (fd = anfdmax; fd--; ) |
580 | for (fd = anfdmax; fd--; ) |
… | |
… | |
498 | fd_kill (EV_A_ fd); |
583 | fd_kill (EV_A_ fd); |
499 | return; |
584 | return; |
500 | } |
585 | } |
501 | } |
586 | } |
502 | |
587 | |
503 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
588 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
504 | static void |
589 | static void noinline |
505 | fd_rearm_all (EV_P) |
590 | fd_rearm_all (EV_P) |
506 | { |
591 | { |
507 | int fd; |
592 | int fd; |
508 | |
593 | |
509 | /* this should be highly optimised to not do anything but set a flag */ |
594 | /* this should be highly optimised to not do anything but set a flag */ |
… | |
… | |
515 | } |
600 | } |
516 | } |
601 | } |
517 | |
602 | |
518 | /*****************************************************************************/ |
603 | /*****************************************************************************/ |
519 | |
604 | |
520 | static void |
605 | void inline_speed |
521 | upheap (WT *heap, int k) |
606 | upheap (WT *heap, int k) |
522 | { |
607 | { |
523 | WT w = heap [k]; |
608 | WT w = heap [k]; |
524 | |
609 | |
525 | while (k && heap [k >> 1]->at > w->at) |
610 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
532 | heap [k] = w; |
617 | heap [k] = w; |
533 | ((W)heap [k])->active = k + 1; |
618 | ((W)heap [k])->active = k + 1; |
534 | |
619 | |
535 | } |
620 | } |
536 | |
621 | |
537 | static void |
622 | void inline_speed |
538 | downheap (WT *heap, int N, int k) |
623 | downheap (WT *heap, int N, int k) |
539 | { |
624 | { |
540 | WT w = heap [k]; |
625 | WT w = heap [k]; |
541 | |
626 | |
542 | while (k < (N >> 1)) |
627 | while (k < (N >> 1)) |
… | |
… | |
556 | |
641 | |
557 | heap [k] = w; |
642 | heap [k] = w; |
558 | ((W)heap [k])->active = k + 1; |
643 | ((W)heap [k])->active = k + 1; |
559 | } |
644 | } |
560 | |
645 | |
561 | inline void |
646 | void inline_size |
562 | adjustheap (WT *heap, int N, int k) |
647 | adjustheap (WT *heap, int N, int k) |
563 | { |
648 | { |
564 | upheap (heap, k); |
649 | upheap (heap, k); |
565 | downheap (heap, N, k); |
650 | downheap (heap, N, k); |
566 | } |
651 | } |
… | |
… | |
576 | static ANSIG *signals; |
661 | static ANSIG *signals; |
577 | static int signalmax; |
662 | static int signalmax; |
578 | |
663 | |
579 | static int sigpipe [2]; |
664 | static int sigpipe [2]; |
580 | static sig_atomic_t volatile gotsig; |
665 | static sig_atomic_t volatile gotsig; |
581 | static struct ev_io sigev; |
666 | static ev_io sigev; |
582 | |
667 | |
583 | static void |
668 | void inline_size |
584 | signals_init (ANSIG *base, int count) |
669 | signals_init (ANSIG *base, int count) |
585 | { |
670 | { |
586 | while (count--) |
671 | while (count--) |
587 | { |
672 | { |
588 | base->head = 0; |
673 | base->head = 0; |
… | |
… | |
608 | write (sigpipe [1], &signum, 1); |
693 | write (sigpipe [1], &signum, 1); |
609 | errno = old_errno; |
694 | errno = old_errno; |
610 | } |
695 | } |
611 | } |
696 | } |
612 | |
697 | |
613 | void |
698 | void noinline |
614 | ev_feed_signal_event (EV_P_ int signum) |
699 | ev_feed_signal_event (EV_P_ int signum) |
615 | { |
700 | { |
616 | WL w; |
701 | WL w; |
617 | |
702 | |
618 | #if EV_MULTIPLICITY |
703 | #if EV_MULTIPLICITY |
… | |
… | |
629 | for (w = signals [signum].head; w; w = w->next) |
714 | for (w = signals [signum].head; w; w = w->next) |
630 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
715 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
631 | } |
716 | } |
632 | |
717 | |
633 | static void |
718 | static void |
634 | sigcb (EV_P_ struct ev_io *iow, int revents) |
719 | sigcb (EV_P_ ev_io *iow, int revents) |
635 | { |
720 | { |
636 | int signum; |
721 | int signum; |
637 | |
722 | |
638 | read (sigpipe [0], &revents, 1); |
723 | read (sigpipe [0], &revents, 1); |
639 | gotsig = 0; |
724 | gotsig = 0; |
… | |
… | |
641 | for (signum = signalmax; signum--; ) |
726 | for (signum = signalmax; signum--; ) |
642 | if (signals [signum].gotsig) |
727 | if (signals [signum].gotsig) |
643 | ev_feed_signal_event (EV_A_ signum + 1); |
728 | ev_feed_signal_event (EV_A_ signum + 1); |
644 | } |
729 | } |
645 | |
730 | |
646 | inline void |
731 | void inline_size |
647 | fd_intern (int fd) |
732 | fd_intern (int fd) |
648 | { |
733 | { |
649 | #ifdef _WIN32 |
734 | #ifdef _WIN32 |
650 | int arg = 1; |
735 | int arg = 1; |
651 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
736 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
653 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
738 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
654 | fcntl (fd, F_SETFL, O_NONBLOCK); |
739 | fcntl (fd, F_SETFL, O_NONBLOCK); |
655 | #endif |
740 | #endif |
656 | } |
741 | } |
657 | |
742 | |
658 | static void |
743 | static void noinline |
659 | siginit (EV_P) |
744 | siginit (EV_P) |
660 | { |
745 | { |
661 | fd_intern (sigpipe [0]); |
746 | fd_intern (sigpipe [0]); |
662 | fd_intern (sigpipe [1]); |
747 | fd_intern (sigpipe [1]); |
663 | |
748 | |
… | |
… | |
666 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
751 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
667 | } |
752 | } |
668 | |
753 | |
669 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
670 | |
755 | |
671 | static struct ev_child *childs [PID_HASHSIZE]; |
756 | static ev_child *childs [EV_PID_HASHSIZE]; |
672 | |
757 | |
673 | #ifndef _WIN32 |
758 | #ifndef _WIN32 |
674 | |
759 | |
675 | static struct ev_signal childev; |
760 | static ev_signal childev; |
676 | |
761 | |
677 | #ifndef WCONTINUED |
762 | void inline_speed |
678 | # define WCONTINUED 0 |
|
|
679 | #endif |
|
|
680 | |
|
|
681 | static void |
|
|
682 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
763 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
683 | { |
764 | { |
684 | struct ev_child *w; |
765 | ev_child *w; |
685 | |
766 | |
686 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
767 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
687 | if (w->pid == pid || !w->pid) |
768 | if (w->pid == pid || !w->pid) |
688 | { |
769 | { |
689 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
770 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
690 | w->rpid = pid; |
771 | w->rpid = pid; |
691 | w->rstatus = status; |
772 | w->rstatus = status; |
692 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
773 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
693 | } |
774 | } |
694 | } |
775 | } |
695 | |
776 | |
|
|
777 | #ifndef WCONTINUED |
|
|
778 | # define WCONTINUED 0 |
|
|
779 | #endif |
|
|
780 | |
696 | static void |
781 | static void |
697 | childcb (EV_P_ struct ev_signal *sw, int revents) |
782 | childcb (EV_P_ ev_signal *sw, int revents) |
698 | { |
783 | { |
699 | int pid, status; |
784 | int pid, status; |
700 | |
785 | |
|
|
786 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
701 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
787 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
702 | { |
788 | if (!WCONTINUED |
|
|
789 | || errno != EINVAL |
|
|
790 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
791 | return; |
|
|
792 | |
703 | /* make sure we are called again until all childs have been reaped */ |
793 | /* make sure we are called again until all childs have been reaped */ |
|
|
794 | /* we need to do it this way so that the callback gets called before we continue */ |
704 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
795 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
705 | |
796 | |
706 | child_reap (EV_A_ sw, pid, pid, status); |
797 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
798 | if (EV_PID_HASHSIZE > 1) |
707 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
799 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
708 | } |
|
|
709 | } |
800 | } |
710 | |
801 | |
711 | #endif |
802 | #endif |
712 | |
803 | |
713 | /*****************************************************************************/ |
804 | /*****************************************************************************/ |
714 | |
805 | |
|
|
806 | #if EV_USE_PORT |
|
|
807 | # include "ev_port.c" |
|
|
808 | #endif |
715 | #if EV_USE_KQUEUE |
809 | #if EV_USE_KQUEUE |
716 | # include "ev_kqueue.c" |
810 | # include "ev_kqueue.c" |
717 | #endif |
811 | #endif |
718 | #if EV_USE_EPOLL |
812 | #if EV_USE_EPOLL |
719 | # include "ev_epoll.c" |
813 | # include "ev_epoll.c" |
… | |
… | |
736 | { |
830 | { |
737 | return EV_VERSION_MINOR; |
831 | return EV_VERSION_MINOR; |
738 | } |
832 | } |
739 | |
833 | |
740 | /* return true if we are running with elevated privileges and should ignore env variables */ |
834 | /* return true if we are running with elevated privileges and should ignore env variables */ |
741 | static int |
835 | int inline_size |
742 | enable_secure (void) |
836 | enable_secure (void) |
743 | { |
837 | { |
744 | #ifdef _WIN32 |
838 | #ifdef _WIN32 |
745 | return 0; |
839 | return 0; |
746 | #else |
840 | #else |
… | |
… | |
748 | || getgid () != getegid (); |
842 | || getgid () != getegid (); |
749 | #endif |
843 | #endif |
750 | } |
844 | } |
751 | |
845 | |
752 | unsigned int |
846 | unsigned int |
753 | ev_method (EV_P) |
847 | ev_supported_backends (void) |
754 | { |
848 | { |
755 | return method; |
849 | unsigned int flags = 0; |
756 | } |
|
|
757 | |
850 | |
758 | static void |
851 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
852 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
853 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
854 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
855 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
856 | |
|
|
857 | return flags; |
|
|
858 | } |
|
|
859 | |
|
|
860 | unsigned int |
|
|
861 | ev_recommended_backends (void) |
|
|
862 | { |
|
|
863 | unsigned int flags = ev_supported_backends (); |
|
|
864 | |
|
|
865 | #ifndef __NetBSD__ |
|
|
866 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
867 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
868 | flags &= ~EVBACKEND_KQUEUE; |
|
|
869 | #endif |
|
|
870 | #ifdef __APPLE__ |
|
|
871 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
872 | flags &= ~EVBACKEND_POLL; |
|
|
873 | #endif |
|
|
874 | |
|
|
875 | return flags; |
|
|
876 | } |
|
|
877 | |
|
|
878 | unsigned int |
|
|
879 | ev_embeddable_backends (void) |
|
|
880 | { |
|
|
881 | return EVBACKEND_EPOLL |
|
|
882 | | EVBACKEND_KQUEUE |
|
|
883 | | EVBACKEND_PORT; |
|
|
884 | } |
|
|
885 | |
|
|
886 | unsigned int |
|
|
887 | ev_backend (EV_P) |
|
|
888 | { |
|
|
889 | return backend; |
|
|
890 | } |
|
|
891 | |
|
|
892 | static void noinline |
759 | loop_init (EV_P_ unsigned int flags) |
893 | loop_init (EV_P_ unsigned int flags) |
760 | { |
894 | { |
761 | if (!method) |
895 | if (!backend) |
762 | { |
896 | { |
763 | #if EV_USE_MONOTONIC |
897 | #if EV_USE_MONOTONIC |
764 | { |
898 | { |
765 | struct timespec ts; |
899 | struct timespec ts; |
766 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
900 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
771 | ev_rt_now = ev_time (); |
905 | ev_rt_now = ev_time (); |
772 | mn_now = get_clock (); |
906 | mn_now = get_clock (); |
773 | now_floor = mn_now; |
907 | now_floor = mn_now; |
774 | rtmn_diff = ev_rt_now - mn_now; |
908 | rtmn_diff = ev_rt_now - mn_now; |
775 | |
909 | |
776 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
910 | if (!(flags & EVFLAG_NOENV) |
|
|
911 | && !enable_secure () |
|
|
912 | && getenv ("LIBEV_FLAGS")) |
777 | flags = atoi (getenv ("LIBEV_FLAGS")); |
913 | flags = atoi (getenv ("LIBEV_FLAGS")); |
778 | |
914 | |
779 | if (!(flags & 0x0000ffff)) |
915 | if (!(flags & 0x0000ffffUL)) |
780 | flags |= 0x0000ffff; |
916 | flags |= ev_recommended_backends (); |
781 | |
917 | |
782 | method = 0; |
918 | backend = 0; |
|
|
919 | backend_fd = -1; |
|
|
920 | #if EV_USE_INOTIFY |
|
|
921 | fs_fd = -2; |
|
|
922 | #endif |
|
|
923 | |
|
|
924 | #if EV_USE_PORT |
|
|
925 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
926 | #endif |
783 | #if EV_USE_KQUEUE |
927 | #if EV_USE_KQUEUE |
784 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
928 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
785 | #endif |
929 | #endif |
786 | #if EV_USE_EPOLL |
930 | #if EV_USE_EPOLL |
787 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
931 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
788 | #endif |
932 | #endif |
789 | #if EV_USE_POLL |
933 | #if EV_USE_POLL |
790 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
934 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
791 | #endif |
935 | #endif |
792 | #if EV_USE_SELECT |
936 | #if EV_USE_SELECT |
793 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
937 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
794 | #endif |
938 | #endif |
795 | |
939 | |
796 | ev_init (&sigev, sigcb); |
940 | ev_init (&sigev, sigcb); |
797 | ev_set_priority (&sigev, EV_MAXPRI); |
941 | ev_set_priority (&sigev, EV_MAXPRI); |
798 | } |
942 | } |
799 | } |
943 | } |
800 | |
944 | |
801 | void |
945 | static void noinline |
802 | loop_destroy (EV_P) |
946 | loop_destroy (EV_P) |
803 | { |
947 | { |
804 | int i; |
948 | int i; |
805 | |
949 | |
|
|
950 | #if EV_USE_INOTIFY |
|
|
951 | if (fs_fd >= 0) |
|
|
952 | close (fs_fd); |
|
|
953 | #endif |
|
|
954 | |
|
|
955 | if (backend_fd >= 0) |
|
|
956 | close (backend_fd); |
|
|
957 | |
|
|
958 | #if EV_USE_PORT |
|
|
959 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
960 | #endif |
806 | #if EV_USE_KQUEUE |
961 | #if EV_USE_KQUEUE |
807 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
962 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
808 | #endif |
963 | #endif |
809 | #if EV_USE_EPOLL |
964 | #if EV_USE_EPOLL |
810 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
965 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
811 | #endif |
966 | #endif |
812 | #if EV_USE_POLL |
967 | #if EV_USE_POLL |
813 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
968 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
814 | #endif |
969 | #endif |
815 | #if EV_USE_SELECT |
970 | #if EV_USE_SELECT |
816 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
971 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
817 | #endif |
972 | #endif |
818 | |
973 | |
819 | for (i = NUMPRI; i--; ) |
974 | for (i = NUMPRI; i--; ) |
820 | array_free (pending, [i]); |
975 | array_free (pending, [i]); |
821 | |
976 | |
822 | /* have to use the microsoft-never-gets-it-right macro */ |
977 | /* have to use the microsoft-never-gets-it-right macro */ |
823 | array_free (fdchange, EMPTY0); |
978 | array_free (fdchange, EMPTY0); |
824 | array_free (timer, EMPTY0); |
979 | array_free (timer, EMPTY0); |
825 | #if EV_PERIODICS |
980 | #if EV_PERIODIC_ENABLE |
826 | array_free (periodic, EMPTY0); |
981 | array_free (periodic, EMPTY0); |
827 | #endif |
982 | #endif |
828 | array_free (idle, EMPTY0); |
983 | array_free (idle, EMPTY0); |
829 | array_free (prepare, EMPTY0); |
984 | array_free (prepare, EMPTY0); |
830 | array_free (check, EMPTY0); |
985 | array_free (check, EMPTY0); |
831 | |
986 | |
832 | method = 0; |
987 | backend = 0; |
833 | } |
988 | } |
834 | |
989 | |
835 | static void |
990 | void inline_size |
836 | loop_fork (EV_P) |
991 | loop_fork (EV_P) |
837 | { |
992 | { |
|
|
993 | #if EV_USE_PORT |
|
|
994 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
995 | #endif |
|
|
996 | #if EV_USE_KQUEUE |
|
|
997 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
998 | #endif |
838 | #if EV_USE_EPOLL |
999 | #if EV_USE_EPOLL |
839 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1000 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
840 | #endif |
|
|
841 | #if EV_USE_KQUEUE |
|
|
842 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
843 | #endif |
1001 | #endif |
844 | |
1002 | |
845 | if (ev_is_active (&sigev)) |
1003 | if (ev_is_active (&sigev)) |
846 | { |
1004 | { |
847 | /* default loop */ |
1005 | /* default loop */ |
… | |
… | |
868 | |
1026 | |
869 | memset (loop, 0, sizeof (struct ev_loop)); |
1027 | memset (loop, 0, sizeof (struct ev_loop)); |
870 | |
1028 | |
871 | loop_init (EV_A_ flags); |
1029 | loop_init (EV_A_ flags); |
872 | |
1030 | |
873 | if (ev_method (EV_A)) |
1031 | if (ev_backend (EV_A)) |
874 | return loop; |
1032 | return loop; |
875 | |
1033 | |
876 | return 0; |
1034 | return 0; |
877 | } |
1035 | } |
878 | |
1036 | |
… | |
… | |
891 | |
1049 | |
892 | #endif |
1050 | #endif |
893 | |
1051 | |
894 | #if EV_MULTIPLICITY |
1052 | #if EV_MULTIPLICITY |
895 | struct ev_loop * |
1053 | struct ev_loop * |
896 | ev_default_loop_ (unsigned int flags) |
1054 | ev_default_loop_init (unsigned int flags) |
897 | #else |
1055 | #else |
898 | int |
1056 | int |
899 | ev_default_loop (unsigned int flags) |
1057 | ev_default_loop (unsigned int flags) |
900 | #endif |
1058 | #endif |
901 | { |
1059 | { |
… | |
… | |
906 | if (!ev_default_loop_ptr) |
1064 | if (!ev_default_loop_ptr) |
907 | { |
1065 | { |
908 | #if EV_MULTIPLICITY |
1066 | #if EV_MULTIPLICITY |
909 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1067 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
910 | #else |
1068 | #else |
911 | ev_default_default_loop_ptr = 1; |
1069 | ev_default_loop_ptr = 1; |
912 | #endif |
1070 | #endif |
913 | |
1071 | |
914 | loop_init (EV_A_ flags); |
1072 | loop_init (EV_A_ flags); |
915 | |
1073 | |
916 | if (ev_method (EV_A)) |
1074 | if (ev_backend (EV_A)) |
917 | { |
1075 | { |
918 | siginit (EV_A); |
1076 | siginit (EV_A); |
919 | |
1077 | |
920 | #ifndef _WIN32 |
1078 | #ifndef _WIN32 |
921 | ev_signal_init (&childev, childcb, SIGCHLD); |
1079 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
957 | { |
1115 | { |
958 | #if EV_MULTIPLICITY |
1116 | #if EV_MULTIPLICITY |
959 | struct ev_loop *loop = ev_default_loop_ptr; |
1117 | struct ev_loop *loop = ev_default_loop_ptr; |
960 | #endif |
1118 | #endif |
961 | |
1119 | |
962 | if (method) |
1120 | if (backend) |
963 | postfork = 1; |
1121 | postfork = 1; |
964 | } |
1122 | } |
965 | |
1123 | |
966 | /*****************************************************************************/ |
1124 | /*****************************************************************************/ |
967 | |
1125 | |
968 | static int |
1126 | int inline_size |
969 | any_pending (EV_P) |
1127 | any_pending (EV_P) |
970 | { |
1128 | { |
971 | int pri; |
1129 | int pri; |
972 | |
1130 | |
973 | for (pri = NUMPRI; pri--; ) |
1131 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
975 | return 1; |
1133 | return 1; |
976 | |
1134 | |
977 | return 0; |
1135 | return 0; |
978 | } |
1136 | } |
979 | |
1137 | |
980 | static void |
1138 | void inline_speed |
981 | call_pending (EV_P) |
1139 | call_pending (EV_P) |
982 | { |
1140 | { |
983 | int pri; |
1141 | int pri; |
984 | |
1142 | |
985 | for (pri = NUMPRI; pri--; ) |
1143 | for (pri = NUMPRI; pri--; ) |
986 | while (pendingcnt [pri]) |
1144 | while (pendingcnt [pri]) |
987 | { |
1145 | { |
988 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1146 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
989 | |
1147 | |
990 | if (p->w) |
1148 | if (expect_true (p->w)) |
991 | { |
1149 | { |
|
|
1150 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1151 | |
992 | p->w->pending = 0; |
1152 | p->w->pending = 0; |
993 | EV_CB_INVOKE (p->w, p->events); |
1153 | EV_CB_INVOKE (p->w, p->events); |
994 | } |
1154 | } |
995 | } |
1155 | } |
996 | } |
1156 | } |
997 | |
1157 | |
998 | static void |
1158 | void inline_size |
999 | timers_reify (EV_P) |
1159 | timers_reify (EV_P) |
1000 | { |
1160 | { |
1001 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1161 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1002 | { |
1162 | { |
1003 | struct ev_timer *w = timers [0]; |
1163 | ev_timer *w = timers [0]; |
1004 | |
1164 | |
1005 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1165 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1006 | |
1166 | |
1007 | /* first reschedule or stop timer */ |
1167 | /* first reschedule or stop timer */ |
1008 | if (w->repeat) |
1168 | if (w->repeat) |
1009 | { |
1169 | { |
1010 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1170 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1020 | |
1180 | |
1021 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1181 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1022 | } |
1182 | } |
1023 | } |
1183 | } |
1024 | |
1184 | |
1025 | #if EV_PERIODICS |
1185 | #if EV_PERIODIC_ENABLE |
1026 | static void |
1186 | void inline_size |
1027 | periodics_reify (EV_P) |
1187 | periodics_reify (EV_P) |
1028 | { |
1188 | { |
1029 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1189 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1030 | { |
1190 | { |
1031 | struct ev_periodic *w = periodics [0]; |
1191 | ev_periodic *w = periodics [0]; |
1032 | |
1192 | |
1033 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1193 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1034 | |
1194 | |
1035 | /* first reschedule or stop timer */ |
1195 | /* first reschedule or stop timer */ |
1036 | if (w->reschedule_cb) |
1196 | if (w->reschedule_cb) |
1037 | { |
1197 | { |
1038 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1198 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1050 | |
1210 | |
1051 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1211 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1052 | } |
1212 | } |
1053 | } |
1213 | } |
1054 | |
1214 | |
1055 | static void |
1215 | static void noinline |
1056 | periodics_reschedule (EV_P) |
1216 | periodics_reschedule (EV_P) |
1057 | { |
1217 | { |
1058 | int i; |
1218 | int i; |
1059 | |
1219 | |
1060 | /* adjust periodics after time jump */ |
1220 | /* adjust periodics after time jump */ |
1061 | for (i = 0; i < periodiccnt; ++i) |
1221 | for (i = 0; i < periodiccnt; ++i) |
1062 | { |
1222 | { |
1063 | struct ev_periodic *w = periodics [i]; |
1223 | ev_periodic *w = periodics [i]; |
1064 | |
1224 | |
1065 | if (w->reschedule_cb) |
1225 | if (w->reschedule_cb) |
1066 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1226 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1067 | else if (w->interval) |
1227 | else if (w->interval) |
1068 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1228 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1072 | for (i = periodiccnt >> 1; i--; ) |
1232 | for (i = periodiccnt >> 1; i--; ) |
1073 | downheap ((WT *)periodics, periodiccnt, i); |
1233 | downheap ((WT *)periodics, periodiccnt, i); |
1074 | } |
1234 | } |
1075 | #endif |
1235 | #endif |
1076 | |
1236 | |
1077 | inline int |
1237 | int inline_size |
1078 | time_update_monotonic (EV_P) |
1238 | time_update_monotonic (EV_P) |
1079 | { |
1239 | { |
1080 | mn_now = get_clock (); |
1240 | mn_now = get_clock (); |
1081 | |
1241 | |
1082 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1242 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1090 | ev_rt_now = ev_time (); |
1250 | ev_rt_now = ev_time (); |
1091 | return 1; |
1251 | return 1; |
1092 | } |
1252 | } |
1093 | } |
1253 | } |
1094 | |
1254 | |
1095 | static void |
1255 | void inline_size |
1096 | time_update (EV_P) |
1256 | time_update (EV_P) |
1097 | { |
1257 | { |
1098 | int i; |
1258 | int i; |
1099 | |
1259 | |
1100 | #if EV_USE_MONOTONIC |
1260 | #if EV_USE_MONOTONIC |
… | |
… | |
1102 | { |
1262 | { |
1103 | if (time_update_monotonic (EV_A)) |
1263 | if (time_update_monotonic (EV_A)) |
1104 | { |
1264 | { |
1105 | ev_tstamp odiff = rtmn_diff; |
1265 | ev_tstamp odiff = rtmn_diff; |
1106 | |
1266 | |
1107 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1267 | /* loop a few times, before making important decisions. |
|
|
1268 | * on the choice of "4": one iteration isn't enough, |
|
|
1269 | * in case we get preempted during the calls to |
|
|
1270 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1271 | * to succeed in that case, though. and looping a few more times |
|
|
1272 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1273 | * in the unlikely event of getting preempted here. |
|
|
1274 | */ |
|
|
1275 | for (i = 4; --i; ) |
1108 | { |
1276 | { |
1109 | rtmn_diff = ev_rt_now - mn_now; |
1277 | rtmn_diff = ev_rt_now - mn_now; |
1110 | |
1278 | |
1111 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1279 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1112 | return; /* all is well */ |
1280 | return; /* all is well */ |
… | |
… | |
1114 | ev_rt_now = ev_time (); |
1282 | ev_rt_now = ev_time (); |
1115 | mn_now = get_clock (); |
1283 | mn_now = get_clock (); |
1116 | now_floor = mn_now; |
1284 | now_floor = mn_now; |
1117 | } |
1285 | } |
1118 | |
1286 | |
1119 | # if EV_PERIODICS |
1287 | # if EV_PERIODIC_ENABLE |
1120 | periodics_reschedule (EV_A); |
1288 | periodics_reschedule (EV_A); |
1121 | # endif |
1289 | # endif |
1122 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1290 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1123 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1291 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1124 | } |
1292 | } |
… | |
… | |
1128 | { |
1296 | { |
1129 | ev_rt_now = ev_time (); |
1297 | ev_rt_now = ev_time (); |
1130 | |
1298 | |
1131 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1299 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1132 | { |
1300 | { |
1133 | #if EV_PERIODICS |
1301 | #if EV_PERIODIC_ENABLE |
1134 | periodics_reschedule (EV_A); |
1302 | periodics_reschedule (EV_A); |
1135 | #endif |
1303 | #endif |
1136 | |
1304 | |
1137 | /* adjust timers. this is easy, as the offset is the same for all */ |
1305 | /* adjust timers. this is easy, as the offset is the same for all */ |
1138 | for (i = 0; i < timercnt; ++i) |
1306 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
1158 | static int loop_done; |
1326 | static int loop_done; |
1159 | |
1327 | |
1160 | void |
1328 | void |
1161 | ev_loop (EV_P_ int flags) |
1329 | ev_loop (EV_P_ int flags) |
1162 | { |
1330 | { |
1163 | double block; |
|
|
1164 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1331 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1332 | ? EVUNLOOP_ONE |
|
|
1333 | : EVUNLOOP_CANCEL; |
1165 | |
1334 | |
1166 | while (activecnt) |
1335 | while (activecnt) |
1167 | { |
1336 | { |
|
|
1337 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1338 | #if EV_FORK_ENABLE |
|
|
1339 | if (expect_false (postfork)) |
|
|
1340 | if (forkcnt) |
|
|
1341 | { |
|
|
1342 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1343 | call_pending (EV_A); |
|
|
1344 | } |
|
|
1345 | #endif |
|
|
1346 | |
1168 | /* queue check watchers (and execute them) */ |
1347 | /* queue check watchers (and execute them) */ |
1169 | if (expect_false (preparecnt)) |
1348 | if (expect_false (preparecnt)) |
1170 | { |
1349 | { |
1171 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1350 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1172 | call_pending (EV_A); |
1351 | call_pending (EV_A); |
… | |
… | |
1178 | |
1357 | |
1179 | /* update fd-related kernel structures */ |
1358 | /* update fd-related kernel structures */ |
1180 | fd_reify (EV_A); |
1359 | fd_reify (EV_A); |
1181 | |
1360 | |
1182 | /* calculate blocking time */ |
1361 | /* calculate blocking time */ |
|
|
1362 | { |
|
|
1363 | double block; |
1183 | |
1364 | |
1184 | /* we only need this for !monotonic clock or timers, but as we basically |
1365 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1185 | always have timers, we just calculate it always */ |
1366 | block = 0.; /* do not block at all */ |
|
|
1367 | else |
|
|
1368 | { |
|
|
1369 | /* update time to cancel out callback processing overhead */ |
1186 | #if EV_USE_MONOTONIC |
1370 | #if EV_USE_MONOTONIC |
1187 | if (expect_true (have_monotonic)) |
1371 | if (expect_true (have_monotonic)) |
1188 | time_update_monotonic (EV_A); |
1372 | time_update_monotonic (EV_A); |
1189 | else |
1373 | else |
1190 | #endif |
1374 | #endif |
1191 | { |
1375 | { |
1192 | ev_rt_now = ev_time (); |
1376 | ev_rt_now = ev_time (); |
1193 | mn_now = ev_rt_now; |
1377 | mn_now = ev_rt_now; |
1194 | } |
1378 | } |
1195 | |
1379 | |
1196 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1197 | block = 0.; |
|
|
1198 | else |
|
|
1199 | { |
|
|
1200 | block = MAX_BLOCKTIME; |
1380 | block = MAX_BLOCKTIME; |
1201 | |
1381 | |
1202 | if (timercnt) |
1382 | if (timercnt) |
1203 | { |
1383 | { |
1204 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1384 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1205 | if (block > to) block = to; |
1385 | if (block > to) block = to; |
1206 | } |
1386 | } |
1207 | |
1387 | |
1208 | #if EV_PERIODICS |
1388 | #if EV_PERIODIC_ENABLE |
1209 | if (periodiccnt) |
1389 | if (periodiccnt) |
1210 | { |
1390 | { |
1211 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1391 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1212 | if (block > to) block = to; |
1392 | if (block > to) block = to; |
1213 | } |
1393 | } |
1214 | #endif |
1394 | #endif |
1215 | |
1395 | |
1216 | if (block < 0.) block = 0.; |
1396 | if (expect_false (block < 0.)) block = 0.; |
1217 | } |
1397 | } |
1218 | |
1398 | |
1219 | method_poll (EV_A_ block); |
1399 | backend_poll (EV_A_ block); |
|
|
1400 | } |
1220 | |
1401 | |
1221 | /* update ev_rt_now, do magic */ |
1402 | /* update ev_rt_now, do magic */ |
1222 | time_update (EV_A); |
1403 | time_update (EV_A); |
1223 | |
1404 | |
1224 | /* queue pending timers and reschedule them */ |
1405 | /* queue pending timers and reschedule them */ |
1225 | timers_reify (EV_A); /* relative timers called last */ |
1406 | timers_reify (EV_A); /* relative timers called last */ |
1226 | #if EV_PERIODICS |
1407 | #if EV_PERIODIC_ENABLE |
1227 | periodics_reify (EV_A); /* absolute timers called first */ |
1408 | periodics_reify (EV_A); /* absolute timers called first */ |
1228 | #endif |
1409 | #endif |
1229 | |
1410 | |
1230 | /* queue idle watchers unless io or timers are pending */ |
1411 | /* queue idle watchers unless other events are pending */ |
1231 | if (idlecnt && !any_pending (EV_A)) |
1412 | if (idlecnt && !any_pending (EV_A)) |
1232 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1413 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1233 | |
1414 | |
1234 | /* queue check watchers, to be executed first */ |
1415 | /* queue check watchers, to be executed first */ |
1235 | if (checkcnt) |
1416 | if (expect_false (checkcnt)) |
1236 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1417 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1237 | |
1418 | |
1238 | call_pending (EV_A); |
1419 | call_pending (EV_A); |
1239 | |
1420 | |
1240 | if (loop_done) |
1421 | if (expect_false (loop_done)) |
1241 | break; |
1422 | break; |
1242 | } |
1423 | } |
1243 | |
1424 | |
1244 | if (loop_done != 2) |
1425 | if (loop_done == EVUNLOOP_ONE) |
1245 | loop_done = 0; |
1426 | loop_done = EVUNLOOP_CANCEL; |
1246 | } |
1427 | } |
1247 | |
1428 | |
1248 | void |
1429 | void |
1249 | ev_unloop (EV_P_ int how) |
1430 | ev_unloop (EV_P_ int how) |
1250 | { |
1431 | { |
1251 | loop_done = how; |
1432 | loop_done = how; |
1252 | } |
1433 | } |
1253 | |
1434 | |
1254 | /*****************************************************************************/ |
1435 | /*****************************************************************************/ |
1255 | |
1436 | |
1256 | inline void |
1437 | void inline_size |
1257 | wlist_add (WL *head, WL elem) |
1438 | wlist_add (WL *head, WL elem) |
1258 | { |
1439 | { |
1259 | elem->next = *head; |
1440 | elem->next = *head; |
1260 | *head = elem; |
1441 | *head = elem; |
1261 | } |
1442 | } |
1262 | |
1443 | |
1263 | inline void |
1444 | void inline_size |
1264 | wlist_del (WL *head, WL elem) |
1445 | wlist_del (WL *head, WL elem) |
1265 | { |
1446 | { |
1266 | while (*head) |
1447 | while (*head) |
1267 | { |
1448 | { |
1268 | if (*head == elem) |
1449 | if (*head == elem) |
… | |
… | |
1273 | |
1454 | |
1274 | head = &(*head)->next; |
1455 | head = &(*head)->next; |
1275 | } |
1456 | } |
1276 | } |
1457 | } |
1277 | |
1458 | |
1278 | inline void |
1459 | void inline_speed |
1279 | ev_clear_pending (EV_P_ W w) |
1460 | ev_clear_pending (EV_P_ W w) |
1280 | { |
1461 | { |
1281 | if (w->pending) |
1462 | if (w->pending) |
1282 | { |
1463 | { |
1283 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1464 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1284 | w->pending = 0; |
1465 | w->pending = 0; |
1285 | } |
1466 | } |
1286 | } |
1467 | } |
1287 | |
1468 | |
1288 | inline void |
1469 | void inline_speed |
1289 | ev_start (EV_P_ W w, int active) |
1470 | ev_start (EV_P_ W w, int active) |
1290 | { |
1471 | { |
1291 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1472 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1292 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1473 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1293 | |
1474 | |
1294 | w->active = active; |
1475 | w->active = active; |
1295 | ev_ref (EV_A); |
1476 | ev_ref (EV_A); |
1296 | } |
1477 | } |
1297 | |
1478 | |
1298 | inline void |
1479 | void inline_size |
1299 | ev_stop (EV_P_ W w) |
1480 | ev_stop (EV_P_ W w) |
1300 | { |
1481 | { |
1301 | ev_unref (EV_A); |
1482 | ev_unref (EV_A); |
1302 | w->active = 0; |
1483 | w->active = 0; |
1303 | } |
1484 | } |
1304 | |
1485 | |
1305 | /*****************************************************************************/ |
1486 | /*****************************************************************************/ |
1306 | |
1487 | |
1307 | void |
1488 | void |
1308 | ev_io_start (EV_P_ struct ev_io *w) |
1489 | ev_io_start (EV_P_ ev_io *w) |
1309 | { |
1490 | { |
1310 | int fd = w->fd; |
1491 | int fd = w->fd; |
1311 | |
1492 | |
1312 | if (ev_is_active (w)) |
1493 | if (expect_false (ev_is_active (w))) |
1313 | return; |
1494 | return; |
1314 | |
1495 | |
1315 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1496 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1316 | |
1497 | |
1317 | ev_start (EV_A_ (W)w, 1); |
1498 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1320 | |
1501 | |
1321 | fd_change (EV_A_ fd); |
1502 | fd_change (EV_A_ fd); |
1322 | } |
1503 | } |
1323 | |
1504 | |
1324 | void |
1505 | void |
1325 | ev_io_stop (EV_P_ struct ev_io *w) |
1506 | ev_io_stop (EV_P_ ev_io *w) |
1326 | { |
1507 | { |
1327 | ev_clear_pending (EV_A_ (W)w); |
1508 | ev_clear_pending (EV_A_ (W)w); |
1328 | if (!ev_is_active (w)) |
1509 | if (expect_false (!ev_is_active (w))) |
1329 | return; |
1510 | return; |
1330 | |
1511 | |
1331 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1512 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1332 | |
1513 | |
1333 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1514 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1335 | |
1516 | |
1336 | fd_change (EV_A_ w->fd); |
1517 | fd_change (EV_A_ w->fd); |
1337 | } |
1518 | } |
1338 | |
1519 | |
1339 | void |
1520 | void |
1340 | ev_timer_start (EV_P_ struct ev_timer *w) |
1521 | ev_timer_start (EV_P_ ev_timer *w) |
1341 | { |
1522 | { |
1342 | if (ev_is_active (w)) |
1523 | if (expect_false (ev_is_active (w))) |
1343 | return; |
1524 | return; |
1344 | |
1525 | |
1345 | ((WT)w)->at += mn_now; |
1526 | ((WT)w)->at += mn_now; |
1346 | |
1527 | |
1347 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1528 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1348 | |
1529 | |
1349 | ev_start (EV_A_ (W)w, ++timercnt); |
1530 | ev_start (EV_A_ (W)w, ++timercnt); |
1350 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1531 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1351 | timers [timercnt - 1] = w; |
1532 | timers [timercnt - 1] = w; |
1352 | upheap ((WT *)timers, timercnt - 1); |
1533 | upheap ((WT *)timers, timercnt - 1); |
1353 | |
1534 | |
|
|
1535 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1536 | } |
|
|
1537 | |
|
|
1538 | void |
|
|
1539 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1540 | { |
|
|
1541 | ev_clear_pending (EV_A_ (W)w); |
|
|
1542 | if (expect_false (!ev_is_active (w))) |
|
|
1543 | return; |
|
|
1544 | |
1354 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1545 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1355 | } |
|
|
1356 | |
1546 | |
1357 | void |
1547 | { |
1358 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1548 | int active = ((W)w)->active; |
1359 | { |
|
|
1360 | ev_clear_pending (EV_A_ (W)w); |
|
|
1361 | if (!ev_is_active (w)) |
|
|
1362 | return; |
|
|
1363 | |
1549 | |
1364 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1550 | if (expect_true (--active < --timercnt)) |
1365 | |
|
|
1366 | if (((W)w)->active < timercnt--) |
|
|
1367 | { |
1551 | { |
1368 | timers [((W)w)->active - 1] = timers [timercnt]; |
1552 | timers [active] = timers [timercnt]; |
1369 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1553 | adjustheap ((WT *)timers, timercnt, active); |
1370 | } |
1554 | } |
|
|
1555 | } |
1371 | |
1556 | |
1372 | ((WT)w)->at -= mn_now; |
1557 | ((WT)w)->at -= mn_now; |
1373 | |
1558 | |
1374 | ev_stop (EV_A_ (W)w); |
1559 | ev_stop (EV_A_ (W)w); |
1375 | } |
1560 | } |
1376 | |
1561 | |
1377 | void |
1562 | void |
1378 | ev_timer_again (EV_P_ struct ev_timer *w) |
1563 | ev_timer_again (EV_P_ ev_timer *w) |
1379 | { |
1564 | { |
1380 | if (ev_is_active (w)) |
1565 | if (ev_is_active (w)) |
1381 | { |
1566 | { |
1382 | if (w->repeat) |
1567 | if (w->repeat) |
1383 | { |
1568 | { |
… | |
… | |
1392 | w->at = w->repeat; |
1577 | w->at = w->repeat; |
1393 | ev_timer_start (EV_A_ w); |
1578 | ev_timer_start (EV_A_ w); |
1394 | } |
1579 | } |
1395 | } |
1580 | } |
1396 | |
1581 | |
1397 | #if EV_PERIODICS |
1582 | #if EV_PERIODIC_ENABLE |
1398 | void |
1583 | void |
1399 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1584 | ev_periodic_start (EV_P_ ev_periodic *w) |
1400 | { |
1585 | { |
1401 | if (ev_is_active (w)) |
1586 | if (expect_false (ev_is_active (w))) |
1402 | return; |
1587 | return; |
1403 | |
1588 | |
1404 | if (w->reschedule_cb) |
1589 | if (w->reschedule_cb) |
1405 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1590 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1406 | else if (w->interval) |
1591 | else if (w->interval) |
… | |
… | |
1409 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1594 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1410 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1595 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1411 | } |
1596 | } |
1412 | |
1597 | |
1413 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1598 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1414 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1599 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1415 | periodics [periodiccnt - 1] = w; |
1600 | periodics [periodiccnt - 1] = w; |
1416 | upheap ((WT *)periodics, periodiccnt - 1); |
1601 | upheap ((WT *)periodics, periodiccnt - 1); |
1417 | |
1602 | |
|
|
1603 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | void |
|
|
1607 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1608 | { |
|
|
1609 | ev_clear_pending (EV_A_ (W)w); |
|
|
1610 | if (expect_false (!ev_is_active (w))) |
|
|
1611 | return; |
|
|
1612 | |
1418 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1613 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1419 | } |
|
|
1420 | |
1614 | |
1421 | void |
1615 | { |
1422 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1616 | int active = ((W)w)->active; |
1423 | { |
|
|
1424 | ev_clear_pending (EV_A_ (W)w); |
|
|
1425 | if (!ev_is_active (w)) |
|
|
1426 | return; |
|
|
1427 | |
1617 | |
1428 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1618 | if (expect_true (--active < --periodiccnt)) |
1429 | |
|
|
1430 | if (((W)w)->active < periodiccnt--) |
|
|
1431 | { |
1619 | { |
1432 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1620 | periodics [active] = periodics [periodiccnt]; |
1433 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1621 | adjustheap ((WT *)periodics, periodiccnt, active); |
1434 | } |
1622 | } |
|
|
1623 | } |
1435 | |
1624 | |
1436 | ev_stop (EV_A_ (W)w); |
1625 | ev_stop (EV_A_ (W)w); |
1437 | } |
1626 | } |
1438 | |
1627 | |
1439 | void |
1628 | void |
1440 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1629 | ev_periodic_again (EV_P_ ev_periodic *w) |
1441 | { |
1630 | { |
1442 | /* TODO: use adjustheap and recalculation */ |
1631 | /* TODO: use adjustheap and recalculation */ |
1443 | ev_periodic_stop (EV_A_ w); |
1632 | ev_periodic_stop (EV_A_ w); |
1444 | ev_periodic_start (EV_A_ w); |
1633 | ev_periodic_start (EV_A_ w); |
1445 | } |
1634 | } |
1446 | #endif |
1635 | #endif |
1447 | |
1636 | |
1448 | void |
|
|
1449 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1450 | { |
|
|
1451 | if (ev_is_active (w)) |
|
|
1452 | return; |
|
|
1453 | |
|
|
1454 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1455 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1456 | idles [idlecnt - 1] = w; |
|
|
1457 | } |
|
|
1458 | |
|
|
1459 | void |
|
|
1460 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1461 | { |
|
|
1462 | ev_clear_pending (EV_A_ (W)w); |
|
|
1463 | if (!ev_is_active (w)) |
|
|
1464 | return; |
|
|
1465 | |
|
|
1466 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1467 | ev_stop (EV_A_ (W)w); |
|
|
1468 | } |
|
|
1469 | |
|
|
1470 | void |
|
|
1471 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1472 | { |
|
|
1473 | if (ev_is_active (w)) |
|
|
1474 | return; |
|
|
1475 | |
|
|
1476 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1477 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1478 | prepares [preparecnt - 1] = w; |
|
|
1479 | } |
|
|
1480 | |
|
|
1481 | void |
|
|
1482 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1483 | { |
|
|
1484 | ev_clear_pending (EV_A_ (W)w); |
|
|
1485 | if (!ev_is_active (w)) |
|
|
1486 | return; |
|
|
1487 | |
|
|
1488 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1489 | ev_stop (EV_A_ (W)w); |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | void |
|
|
1493 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1494 | { |
|
|
1495 | if (ev_is_active (w)) |
|
|
1496 | return; |
|
|
1497 | |
|
|
1498 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1499 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1500 | checks [checkcnt - 1] = w; |
|
|
1501 | } |
|
|
1502 | |
|
|
1503 | void |
|
|
1504 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1505 | { |
|
|
1506 | ev_clear_pending (EV_A_ (W)w); |
|
|
1507 | if (!ev_is_active (w)) |
|
|
1508 | return; |
|
|
1509 | |
|
|
1510 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1511 | ev_stop (EV_A_ (W)w); |
|
|
1512 | } |
|
|
1513 | |
|
|
1514 | #ifndef SA_RESTART |
1637 | #ifndef SA_RESTART |
1515 | # define SA_RESTART 0 |
1638 | # define SA_RESTART 0 |
1516 | #endif |
1639 | #endif |
1517 | |
1640 | |
1518 | void |
1641 | void |
1519 | ev_signal_start (EV_P_ struct ev_signal *w) |
1642 | ev_signal_start (EV_P_ ev_signal *w) |
1520 | { |
1643 | { |
1521 | #if EV_MULTIPLICITY |
1644 | #if EV_MULTIPLICITY |
1522 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1645 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1523 | #endif |
1646 | #endif |
1524 | if (ev_is_active (w)) |
1647 | if (expect_false (ev_is_active (w))) |
1525 | return; |
1648 | return; |
1526 | |
1649 | |
1527 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1650 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1528 | |
1651 | |
1529 | ev_start (EV_A_ (W)w, 1); |
1652 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1543 | #endif |
1666 | #endif |
1544 | } |
1667 | } |
1545 | } |
1668 | } |
1546 | |
1669 | |
1547 | void |
1670 | void |
1548 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1671 | ev_signal_stop (EV_P_ ev_signal *w) |
1549 | { |
1672 | { |
1550 | ev_clear_pending (EV_A_ (W)w); |
1673 | ev_clear_pending (EV_A_ (W)w); |
1551 | if (!ev_is_active (w)) |
1674 | if (expect_false (!ev_is_active (w))) |
1552 | return; |
1675 | return; |
1553 | |
1676 | |
1554 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1677 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1555 | ev_stop (EV_A_ (W)w); |
1678 | ev_stop (EV_A_ (W)w); |
1556 | |
1679 | |
1557 | if (!signals [w->signum - 1].head) |
1680 | if (!signals [w->signum - 1].head) |
1558 | signal (w->signum, SIG_DFL); |
1681 | signal (w->signum, SIG_DFL); |
1559 | } |
1682 | } |
1560 | |
1683 | |
1561 | void |
1684 | void |
1562 | ev_child_start (EV_P_ struct ev_child *w) |
1685 | ev_child_start (EV_P_ ev_child *w) |
1563 | { |
1686 | { |
1564 | #if EV_MULTIPLICITY |
1687 | #if EV_MULTIPLICITY |
1565 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1688 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1566 | #endif |
1689 | #endif |
1567 | if (ev_is_active (w)) |
1690 | if (expect_false (ev_is_active (w))) |
1568 | return; |
1691 | return; |
1569 | |
1692 | |
1570 | ev_start (EV_A_ (W)w, 1); |
1693 | ev_start (EV_A_ (W)w, 1); |
1571 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1694 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1572 | } |
1695 | } |
1573 | |
1696 | |
1574 | void |
1697 | void |
1575 | ev_child_stop (EV_P_ struct ev_child *w) |
1698 | ev_child_stop (EV_P_ ev_child *w) |
1576 | { |
1699 | { |
1577 | ev_clear_pending (EV_A_ (W)w); |
1700 | ev_clear_pending (EV_A_ (W)w); |
1578 | if (!ev_is_active (w)) |
1701 | if (expect_false (!ev_is_active (w))) |
1579 | return; |
1702 | return; |
1580 | |
1703 | |
1581 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1704 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1582 | ev_stop (EV_A_ (W)w); |
1705 | ev_stop (EV_A_ (W)w); |
1583 | } |
1706 | } |
1584 | |
1707 | |
|
|
1708 | #if EV_STAT_ENABLE |
|
|
1709 | |
|
|
1710 | # ifdef _WIN32 |
|
|
1711 | # undef lstat |
|
|
1712 | # define lstat(a,b) _stati64 (a,b) |
|
|
1713 | # endif |
|
|
1714 | |
|
|
1715 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1716 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1717 | |
|
|
1718 | void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1719 | |
|
|
1720 | #if EV_USE_INOTIFY |
|
|
1721 | # define EV_INOTIFY_BUFSIZE ((PATH_MAX + sizeof (struct inotify_event)) + 2048) |
|
|
1722 | |
|
|
1723 | static void noinline |
|
|
1724 | infy_add (EV_P_ ev_stat *w) |
|
|
1725 | { |
|
|
1726 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
|
|
1727 | |
|
|
1728 | if (w->wd < 0) |
|
|
1729 | { |
|
|
1730 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1731 | |
|
|
1732 | /* monitor some parent directory for speedup hints */ |
|
|
1733 | if (errno == ENOENT || errno == EACCES) |
|
|
1734 | { |
|
|
1735 | char path [PATH_MAX]; |
|
|
1736 | strcpy (path, w->path); |
|
|
1737 | |
|
|
1738 | do |
|
|
1739 | { |
|
|
1740 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1741 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1742 | |
|
|
1743 | char *pend = strrchr (path, '/'); |
|
|
1744 | |
|
|
1745 | if (!pend) |
|
|
1746 | break; /* whoops, no '/', complain to your admin */ |
|
|
1747 | |
|
|
1748 | *pend = 0; |
|
|
1749 | w->wd = inotify_add_watch (fs_fd, path, IN_DELETE_SELF | IN_CREATE | IN_MOVED_TO | IN_MASK_ADD); |
|
|
1750 | } |
|
|
1751 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1752 | } |
|
|
1753 | } |
|
|
1754 | else |
|
|
1755 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1756 | |
|
|
1757 | if (w->wd >= 0) |
|
|
1758 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1759 | } |
|
|
1760 | |
|
|
1761 | static void noinline |
|
|
1762 | infy_del (EV_P_ ev_stat *w) |
|
|
1763 | { |
|
|
1764 | WL w_; |
|
|
1765 | int slot; |
|
|
1766 | int wd = w->wd; |
|
|
1767 | |
|
|
1768 | if (wd < 0) |
|
|
1769 | return; |
|
|
1770 | |
|
|
1771 | w->wd = -2; |
|
|
1772 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1773 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1774 | |
|
|
1775 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1776 | inotify_rm_watch (fs_fd, wd); |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | static void noinline |
|
|
1780 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1781 | { |
|
|
1782 | if (slot < 0) |
|
|
1783 | /* overflow, need to check for all hahs slots */ |
|
|
1784 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1785 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1786 | else |
|
|
1787 | { |
|
|
1788 | WL w_; |
|
|
1789 | |
|
|
1790 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1791 | { |
|
|
1792 | ev_stat *w = (ev_stat *)w_; |
|
|
1793 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1794 | |
|
|
1795 | if (w->wd == wd || wd == -1) |
|
|
1796 | { |
|
|
1797 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1798 | { |
|
|
1799 | w->wd = -1; |
|
|
1800 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | stat_timer_cb (EV_P_ &w->timer, 0); |
|
|
1804 | } |
|
|
1805 | } |
|
|
1806 | } |
|
|
1807 | } |
|
|
1808 | |
|
|
1809 | static void |
|
|
1810 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1811 | { |
|
|
1812 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1813 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1814 | int ofs; |
|
|
1815 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1816 | |
|
|
1817 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1818 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1819 | } |
|
|
1820 | |
|
|
1821 | void inline_size |
|
|
1822 | infy_init (EV_P) |
|
|
1823 | { |
|
|
1824 | if (fs_fd != -2) |
|
|
1825 | return; |
|
|
1826 | |
|
|
1827 | fs_fd = inotify_init (); |
|
|
1828 | |
|
|
1829 | if (fs_fd >= 0) |
|
|
1830 | { |
|
|
1831 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1832 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1833 | ev_io_start (EV_A_ &fs_w); |
|
|
1834 | } |
|
|
1835 | } |
|
|
1836 | |
|
|
1837 | #endif |
|
|
1838 | |
|
|
1839 | void |
|
|
1840 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1841 | { |
|
|
1842 | if (lstat (w->path, &w->attr) < 0) |
|
|
1843 | w->attr.st_nlink = 0; |
|
|
1844 | else if (!w->attr.st_nlink) |
|
|
1845 | w->attr.st_nlink = 1; |
|
|
1846 | } |
|
|
1847 | |
|
|
1848 | void noinline |
|
|
1849 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1850 | { |
|
|
1851 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1852 | |
|
|
1853 | /* we copy this here each the time so that */ |
|
|
1854 | /* prev has the old value when the callback gets invoked */ |
|
|
1855 | w->prev = w->attr; |
|
|
1856 | ev_stat_stat (EV_A_ w); |
|
|
1857 | |
|
|
1858 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1859 | { |
|
|
1860 | #if EV_USE_INOTIFY |
|
|
1861 | infy_del (EV_A_ w); |
|
|
1862 | infy_add (EV_A_ w); |
|
|
1863 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
1864 | #endif |
|
|
1865 | |
|
|
1866 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1867 | } |
|
|
1868 | } |
|
|
1869 | |
|
|
1870 | void |
|
|
1871 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1872 | { |
|
|
1873 | if (expect_false (ev_is_active (w))) |
|
|
1874 | return; |
|
|
1875 | |
|
|
1876 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1877 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1878 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1879 | |
|
|
1880 | ev_stat_stat (EV_A_ w); |
|
|
1881 | |
|
|
1882 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1883 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1884 | |
|
|
1885 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1886 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1887 | |
|
|
1888 | #if EV_USE_INOTIFY |
|
|
1889 | infy_init (EV_A); |
|
|
1890 | |
|
|
1891 | if (fs_fd >= 0) |
|
|
1892 | infy_add (EV_A_ w); |
|
|
1893 | else |
|
|
1894 | #endif |
|
|
1895 | ev_timer_start (EV_A_ &w->timer); |
|
|
1896 | |
|
|
1897 | ev_start (EV_A_ (W)w, 1); |
|
|
1898 | } |
|
|
1899 | |
|
|
1900 | void |
|
|
1901 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1902 | { |
|
|
1903 | ev_clear_pending (EV_A_ (W)w); |
|
|
1904 | if (expect_false (!ev_is_active (w))) |
|
|
1905 | return; |
|
|
1906 | |
|
|
1907 | #if EV_USE_INOTIFY |
|
|
1908 | infy_del (EV_A_ w); |
|
|
1909 | #endif |
|
|
1910 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1911 | |
|
|
1912 | ev_stop (EV_A_ (W)w); |
|
|
1913 | } |
|
|
1914 | #endif |
|
|
1915 | |
|
|
1916 | void |
|
|
1917 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1918 | { |
|
|
1919 | if (expect_false (ev_is_active (w))) |
|
|
1920 | return; |
|
|
1921 | |
|
|
1922 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1923 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1924 | idles [idlecnt - 1] = w; |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | void |
|
|
1928 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1929 | { |
|
|
1930 | ev_clear_pending (EV_A_ (W)w); |
|
|
1931 | if (expect_false (!ev_is_active (w))) |
|
|
1932 | return; |
|
|
1933 | |
|
|
1934 | { |
|
|
1935 | int active = ((W)w)->active; |
|
|
1936 | idles [active - 1] = idles [--idlecnt]; |
|
|
1937 | ((W)idles [active - 1])->active = active; |
|
|
1938 | } |
|
|
1939 | |
|
|
1940 | ev_stop (EV_A_ (W)w); |
|
|
1941 | } |
|
|
1942 | |
|
|
1943 | void |
|
|
1944 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1945 | { |
|
|
1946 | if (expect_false (ev_is_active (w))) |
|
|
1947 | return; |
|
|
1948 | |
|
|
1949 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1950 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1951 | prepares [preparecnt - 1] = w; |
|
|
1952 | } |
|
|
1953 | |
|
|
1954 | void |
|
|
1955 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1956 | { |
|
|
1957 | ev_clear_pending (EV_A_ (W)w); |
|
|
1958 | if (expect_false (!ev_is_active (w))) |
|
|
1959 | return; |
|
|
1960 | |
|
|
1961 | { |
|
|
1962 | int active = ((W)w)->active; |
|
|
1963 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1964 | ((W)prepares [active - 1])->active = active; |
|
|
1965 | } |
|
|
1966 | |
|
|
1967 | ev_stop (EV_A_ (W)w); |
|
|
1968 | } |
|
|
1969 | |
|
|
1970 | void |
|
|
1971 | ev_check_start (EV_P_ ev_check *w) |
|
|
1972 | { |
|
|
1973 | if (expect_false (ev_is_active (w))) |
|
|
1974 | return; |
|
|
1975 | |
|
|
1976 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1977 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1978 | checks [checkcnt - 1] = w; |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | void |
|
|
1982 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1983 | { |
|
|
1984 | ev_clear_pending (EV_A_ (W)w); |
|
|
1985 | if (expect_false (!ev_is_active (w))) |
|
|
1986 | return; |
|
|
1987 | |
|
|
1988 | { |
|
|
1989 | int active = ((W)w)->active; |
|
|
1990 | checks [active - 1] = checks [--checkcnt]; |
|
|
1991 | ((W)checks [active - 1])->active = active; |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | ev_stop (EV_A_ (W)w); |
|
|
1995 | } |
|
|
1996 | |
|
|
1997 | #if EV_EMBED_ENABLE |
|
|
1998 | void noinline |
|
|
1999 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2000 | { |
|
|
2001 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
2002 | } |
|
|
2003 | |
|
|
2004 | static void |
|
|
2005 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
2006 | { |
|
|
2007 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2008 | |
|
|
2009 | if (ev_cb (w)) |
|
|
2010 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2011 | else |
|
|
2012 | ev_embed_sweep (loop, w); |
|
|
2013 | } |
|
|
2014 | |
|
|
2015 | void |
|
|
2016 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2017 | { |
|
|
2018 | if (expect_false (ev_is_active (w))) |
|
|
2019 | return; |
|
|
2020 | |
|
|
2021 | { |
|
|
2022 | struct ev_loop *loop = w->loop; |
|
|
2023 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2024 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
2025 | } |
|
|
2026 | |
|
|
2027 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2028 | ev_io_start (EV_A_ &w->io); |
|
|
2029 | |
|
|
2030 | ev_start (EV_A_ (W)w, 1); |
|
|
2031 | } |
|
|
2032 | |
|
|
2033 | void |
|
|
2034 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2035 | { |
|
|
2036 | ev_clear_pending (EV_A_ (W)w); |
|
|
2037 | if (expect_false (!ev_is_active (w))) |
|
|
2038 | return; |
|
|
2039 | |
|
|
2040 | ev_io_stop (EV_A_ &w->io); |
|
|
2041 | |
|
|
2042 | ev_stop (EV_A_ (W)w); |
|
|
2043 | } |
|
|
2044 | #endif |
|
|
2045 | |
|
|
2046 | #if EV_FORK_ENABLE |
|
|
2047 | void |
|
|
2048 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2049 | { |
|
|
2050 | if (expect_false (ev_is_active (w))) |
|
|
2051 | return; |
|
|
2052 | |
|
|
2053 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2054 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2055 | forks [forkcnt - 1] = w; |
|
|
2056 | } |
|
|
2057 | |
|
|
2058 | void |
|
|
2059 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2060 | { |
|
|
2061 | ev_clear_pending (EV_A_ (W)w); |
|
|
2062 | if (expect_false (!ev_is_active (w))) |
|
|
2063 | return; |
|
|
2064 | |
|
|
2065 | { |
|
|
2066 | int active = ((W)w)->active; |
|
|
2067 | forks [active - 1] = forks [--forkcnt]; |
|
|
2068 | ((W)forks [active - 1])->active = active; |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | ev_stop (EV_A_ (W)w); |
|
|
2072 | } |
|
|
2073 | #endif |
|
|
2074 | |
1585 | /*****************************************************************************/ |
2075 | /*****************************************************************************/ |
1586 | |
2076 | |
1587 | struct ev_once |
2077 | struct ev_once |
1588 | { |
2078 | { |
1589 | struct ev_io io; |
2079 | ev_io io; |
1590 | struct ev_timer to; |
2080 | ev_timer to; |
1591 | void (*cb)(int revents, void *arg); |
2081 | void (*cb)(int revents, void *arg); |
1592 | void *arg; |
2082 | void *arg; |
1593 | }; |
2083 | }; |
1594 | |
2084 | |
1595 | static void |
2085 | static void |
… | |
… | |
1604 | |
2094 | |
1605 | cb (revents, arg); |
2095 | cb (revents, arg); |
1606 | } |
2096 | } |
1607 | |
2097 | |
1608 | static void |
2098 | static void |
1609 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2099 | once_cb_io (EV_P_ ev_io *w, int revents) |
1610 | { |
2100 | { |
1611 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2101 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1612 | } |
2102 | } |
1613 | |
2103 | |
1614 | static void |
2104 | static void |
1615 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2105 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1616 | { |
2106 | { |
1617 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2107 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1618 | } |
2108 | } |
1619 | |
2109 | |
1620 | void |
2110 | void |
1621 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2111 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1622 | { |
2112 | { |
1623 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2113 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1624 | |
2114 | |
1625 | if (!once) |
2115 | if (expect_false (!once)) |
|
|
2116 | { |
1626 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2117 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1627 | else |
2118 | return; |
1628 | { |
2119 | } |
|
|
2120 | |
1629 | once->cb = cb; |
2121 | once->cb = cb; |
1630 | once->arg = arg; |
2122 | once->arg = arg; |
1631 | |
2123 | |
1632 | ev_init (&once->io, once_cb_io); |
2124 | ev_init (&once->io, once_cb_io); |
1633 | if (fd >= 0) |
2125 | if (fd >= 0) |
1634 | { |
2126 | { |
1635 | ev_io_set (&once->io, fd, events); |
2127 | ev_io_set (&once->io, fd, events); |
1636 | ev_io_start (EV_A_ &once->io); |
2128 | ev_io_start (EV_A_ &once->io); |
1637 | } |
2129 | } |
1638 | |
2130 | |
1639 | ev_init (&once->to, once_cb_to); |
2131 | ev_init (&once->to, once_cb_to); |
1640 | if (timeout >= 0.) |
2132 | if (timeout >= 0.) |
1641 | { |
2133 | { |
1642 | ev_timer_set (&once->to, timeout, 0.); |
2134 | ev_timer_set (&once->to, timeout, 0.); |
1643 | ev_timer_start (EV_A_ &once->to); |
2135 | ev_timer_start (EV_A_ &once->to); |
1644 | } |
|
|
1645 | } |
2136 | } |
1646 | } |
2137 | } |
1647 | |
2138 | |
1648 | #ifdef __cplusplus |
2139 | #ifdef __cplusplus |
1649 | } |
2140 | } |