… | |
… | |
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 | |
169 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
171 | |
247 | |
172 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
173 | |
250 | |
174 | typedef struct ev_watcher *W; |
251 | typedef ev_watcher *W; |
175 | typedef struct ev_watcher_list *WL; |
252 | typedef ev_watcher_list *WL; |
176 | typedef struct ev_watcher_time *WT; |
253 | typedef ev_watcher_time *WT; |
177 | |
254 | |
178 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
179 | |
256 | |
180 | #ifdef _WIN32 |
257 | #ifdef _WIN32 |
181 | # include "ev_win32.c" |
258 | # include "ev_win32.c" |
… | |
… | |
183 | |
260 | |
184 | /*****************************************************************************/ |
261 | /*****************************************************************************/ |
185 | |
262 | |
186 | static void (*syserr_cb)(const char *msg); |
263 | static void (*syserr_cb)(const char *msg); |
187 | |
264 | |
|
|
265 | void |
188 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
266 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
189 | { |
267 | { |
190 | syserr_cb = cb; |
268 | syserr_cb = cb; |
191 | } |
269 | } |
192 | |
270 | |
193 | static void |
271 | static void noinline |
194 | syserr (const char *msg) |
272 | syserr (const char *msg) |
195 | { |
273 | { |
196 | if (!msg) |
274 | if (!msg) |
197 | msg = "(libev) system error"; |
275 | msg = "(libev) system error"; |
198 | |
276 | |
… | |
… | |
205 | } |
283 | } |
206 | } |
284 | } |
207 | |
285 | |
208 | static void *(*alloc)(void *ptr, long size); |
286 | static void *(*alloc)(void *ptr, long size); |
209 | |
287 | |
|
|
288 | void |
210 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
211 | { |
290 | { |
212 | alloc = cb; |
291 | alloc = cb; |
213 | } |
292 | } |
214 | |
293 | |
215 | static void * |
294 | inline_speed void * |
216 | ev_realloc (void *ptr, long size) |
295 | ev_realloc (void *ptr, long size) |
217 | { |
296 | { |
218 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
219 | |
298 | |
220 | if (!ptr && size) |
299 | if (!ptr && size) |
… | |
… | |
244 | typedef struct |
323 | typedef struct |
245 | { |
324 | { |
246 | W w; |
325 | W w; |
247 | int events; |
326 | int events; |
248 | } ANPENDING; |
327 | } ANPENDING; |
|
|
328 | |
|
|
329 | #if EV_USE_INOTIFY |
|
|
330 | typedef struct |
|
|
331 | { |
|
|
332 | WL head; |
|
|
333 | } ANFS; |
|
|
334 | #endif |
249 | |
335 | |
250 | #if EV_MULTIPLICITY |
336 | #if EV_MULTIPLICITY |
251 | |
337 | |
252 | struct ev_loop |
338 | struct ev_loop |
253 | { |
339 | { |
… | |
… | |
257 | #include "ev_vars.h" |
343 | #include "ev_vars.h" |
258 | #undef VAR |
344 | #undef VAR |
259 | }; |
345 | }; |
260 | #include "ev_wrap.h" |
346 | #include "ev_wrap.h" |
261 | |
347 | |
262 | struct ev_loop default_loop_struct; |
348 | static struct ev_loop default_loop_struct; |
263 | static struct ev_loop *default_loop; |
349 | struct ev_loop *ev_default_loop_ptr; |
264 | |
350 | |
265 | #else |
351 | #else |
266 | |
352 | |
267 | ev_tstamp ev_rt_now; |
353 | ev_tstamp ev_rt_now; |
268 | #define VAR(name,decl) static decl; |
354 | #define VAR(name,decl) static decl; |
269 | #include "ev_vars.h" |
355 | #include "ev_vars.h" |
270 | #undef VAR |
356 | #undef VAR |
271 | |
357 | |
272 | static int default_loop; |
358 | static int ev_default_loop_ptr; |
273 | |
359 | |
274 | #endif |
360 | #endif |
275 | |
361 | |
276 | /*****************************************************************************/ |
362 | /*****************************************************************************/ |
277 | |
363 | |
… | |
… | |
287 | gettimeofday (&tv, 0); |
373 | gettimeofday (&tv, 0); |
288 | return tv.tv_sec + tv.tv_usec * 1e-6; |
374 | return tv.tv_sec + tv.tv_usec * 1e-6; |
289 | #endif |
375 | #endif |
290 | } |
376 | } |
291 | |
377 | |
292 | inline ev_tstamp |
378 | ev_tstamp inline_size |
293 | get_clock (void) |
379 | get_clock (void) |
294 | { |
380 | { |
295 | #if EV_USE_MONOTONIC |
381 | #if EV_USE_MONOTONIC |
296 | if (expect_true (have_monotonic)) |
382 | if (expect_true (have_monotonic)) |
297 | { |
383 | { |
… | |
… | |
340 | #define array_free(stem, idx) \ |
426 | #define array_free(stem, idx) \ |
341 | 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; |
342 | |
428 | |
343 | /*****************************************************************************/ |
429 | /*****************************************************************************/ |
344 | |
430 | |
345 | static void |
431 | void noinline |
|
|
432 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
433 | { |
|
|
434 | W w_ = (W)w; |
|
|
435 | |
|
|
436 | if (expect_false (w_->pending)) |
|
|
437 | { |
|
|
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
439 | return; |
|
|
440 | } |
|
|
441 | |
|
|
442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
446 | } |
|
|
447 | |
|
|
448 | void inline_size |
|
|
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
450 | { |
|
|
451 | int i; |
|
|
452 | |
|
|
453 | for (i = 0; i < eventcnt; ++i) |
|
|
454 | ev_feed_event (EV_A_ events [i], type); |
|
|
455 | } |
|
|
456 | |
|
|
457 | /*****************************************************************************/ |
|
|
458 | |
|
|
459 | void inline_size |
346 | anfds_init (ANFD *base, int count) |
460 | anfds_init (ANFD *base, int count) |
347 | { |
461 | { |
348 | while (count--) |
462 | while (count--) |
349 | { |
463 | { |
350 | base->head = 0; |
464 | base->head = 0; |
… | |
… | |
353 | |
467 | |
354 | ++base; |
468 | ++base; |
355 | } |
469 | } |
356 | } |
470 | } |
357 | |
471 | |
358 | void |
472 | void inline_speed |
359 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
360 | { |
|
|
361 | W w_ = (W)w; |
|
|
362 | |
|
|
363 | if (w_->pending) |
|
|
364 | { |
|
|
365 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
366 | return; |
|
|
367 | } |
|
|
368 | |
|
|
369 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
370 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
|
|
371 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
372 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
373 | } |
|
|
374 | |
|
|
375 | static void |
|
|
376 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
377 | { |
|
|
378 | int i; |
|
|
379 | |
|
|
380 | for (i = 0; i < eventcnt; ++i) |
|
|
381 | ev_feed_event (EV_A_ events [i], type); |
|
|
382 | } |
|
|
383 | |
|
|
384 | inline void |
|
|
385 | fd_event (EV_P_ int fd, int revents) |
473 | fd_event (EV_P_ int fd, int revents) |
386 | { |
474 | { |
387 | ANFD *anfd = anfds + fd; |
475 | ANFD *anfd = anfds + fd; |
388 | struct ev_io *w; |
476 | ev_io *w; |
389 | |
477 | |
390 | 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) |
391 | { |
479 | { |
392 | int ev = w->events & revents; |
480 | int ev = w->events & revents; |
393 | |
481 | |
394 | if (ev) |
482 | if (ev) |
395 | ev_feed_event (EV_A_ (W)w, ev); |
483 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
400 | ev_feed_fd_event (EV_P_ int fd, int revents) |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
401 | { |
489 | { |
402 | fd_event (EV_A_ fd, revents); |
490 | fd_event (EV_A_ fd, revents); |
403 | } |
491 | } |
404 | |
492 | |
405 | /*****************************************************************************/ |
493 | void inline_size |
406 | |
|
|
407 | static void |
|
|
408 | fd_reify (EV_P) |
494 | fd_reify (EV_P) |
409 | { |
495 | { |
410 | int i; |
496 | int i; |
411 | |
497 | |
412 | for (i = 0; i < fdchangecnt; ++i) |
498 | for (i = 0; i < fdchangecnt; ++i) |
413 | { |
499 | { |
414 | int fd = fdchanges [i]; |
500 | int fd = fdchanges [i]; |
415 | ANFD *anfd = anfds + fd; |
501 | ANFD *anfd = anfds + fd; |
416 | struct ev_io *w; |
502 | ev_io *w; |
417 | |
503 | |
418 | int events = 0; |
504 | int events = 0; |
419 | |
505 | |
420 | 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) |
421 | events |= w->events; |
507 | events |= w->events; |
422 | |
508 | |
423 | #if EV_SELECT_IS_WINSOCKET |
509 | #if EV_SELECT_IS_WINSOCKET |
424 | if (events) |
510 | if (events) |
425 | { |
511 | { |
… | |
… | |
429 | } |
515 | } |
430 | #endif |
516 | #endif |
431 | |
517 | |
432 | anfd->reify = 0; |
518 | anfd->reify = 0; |
433 | |
519 | |
434 | method_modify (EV_A_ fd, anfd->events, events); |
520 | backend_modify (EV_A_ fd, anfd->events, events); |
435 | anfd->events = events; |
521 | anfd->events = events; |
436 | } |
522 | } |
437 | |
523 | |
438 | fdchangecnt = 0; |
524 | fdchangecnt = 0; |
439 | } |
525 | } |
440 | |
526 | |
441 | static void |
527 | void inline_size |
442 | fd_change (EV_P_ int fd) |
528 | fd_change (EV_P_ int fd) |
443 | { |
529 | { |
444 | if (anfds [fd].reify) |
530 | if (expect_false (anfds [fd].reify)) |
445 | return; |
531 | return; |
446 | |
532 | |
447 | anfds [fd].reify = 1; |
533 | anfds [fd].reify = 1; |
448 | |
534 | |
449 | ++fdchangecnt; |
535 | ++fdchangecnt; |
450 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
451 | fdchanges [fdchangecnt - 1] = fd; |
537 | fdchanges [fdchangecnt - 1] = fd; |
452 | } |
538 | } |
453 | |
539 | |
454 | static void |
540 | void inline_speed |
455 | fd_kill (EV_P_ int fd) |
541 | fd_kill (EV_P_ int fd) |
456 | { |
542 | { |
457 | struct ev_io *w; |
543 | ev_io *w; |
458 | |
544 | |
459 | while ((w = (struct ev_io *)anfds [fd].head)) |
545 | while ((w = (ev_io *)anfds [fd].head)) |
460 | { |
546 | { |
461 | ev_io_stop (EV_A_ w); |
547 | ev_io_stop (EV_A_ w); |
462 | 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); |
463 | } |
549 | } |
464 | } |
550 | } |
465 | |
551 | |
466 | static int |
552 | int inline_size |
467 | fd_valid (int fd) |
553 | fd_valid (int fd) |
468 | { |
554 | { |
469 | #ifdef _WIN32 |
555 | #ifdef _WIN32 |
470 | return _get_osfhandle (fd) != -1; |
556 | return _get_osfhandle (fd) != -1; |
471 | #else |
557 | #else |
472 | return fcntl (fd, F_GETFD) != -1; |
558 | return fcntl (fd, F_GETFD) != -1; |
473 | #endif |
559 | #endif |
474 | } |
560 | } |
475 | |
561 | |
476 | /* called on EBADF to verify fds */ |
562 | /* called on EBADF to verify fds */ |
477 | static void |
563 | static void noinline |
478 | fd_ebadf (EV_P) |
564 | fd_ebadf (EV_P) |
479 | { |
565 | { |
480 | int fd; |
566 | int fd; |
481 | |
567 | |
482 | for (fd = 0; fd < anfdmax; ++fd) |
568 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
484 | if (!fd_valid (fd) == -1 && errno == EBADF) |
570 | if (!fd_valid (fd) == -1 && errno == EBADF) |
485 | fd_kill (EV_A_ fd); |
571 | fd_kill (EV_A_ fd); |
486 | } |
572 | } |
487 | |
573 | |
488 | /* 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 */ |
489 | static void |
575 | static void noinline |
490 | fd_enomem (EV_P) |
576 | fd_enomem (EV_P) |
491 | { |
577 | { |
492 | int fd; |
578 | int fd; |
493 | |
579 | |
494 | for (fd = anfdmax; fd--; ) |
580 | for (fd = anfdmax; fd--; ) |
… | |
… | |
497 | fd_kill (EV_A_ fd); |
583 | fd_kill (EV_A_ fd); |
498 | return; |
584 | return; |
499 | } |
585 | } |
500 | } |
586 | } |
501 | |
587 | |
502 | /* 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 */ |
503 | static void |
589 | static void noinline |
504 | fd_rearm_all (EV_P) |
590 | fd_rearm_all (EV_P) |
505 | { |
591 | { |
506 | int fd; |
592 | int fd; |
507 | |
593 | |
508 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
509 | for (fd = 0; fd < anfdmax; ++fd) |
594 | for (fd = 0; fd < anfdmax; ++fd) |
510 | if (anfds [fd].events) |
595 | if (anfds [fd].events) |
511 | { |
596 | { |
512 | anfds [fd].events = 0; |
597 | anfds [fd].events = 0; |
513 | fd_change (EV_A_ fd); |
598 | fd_change (EV_A_ fd); |
514 | } |
599 | } |
515 | } |
600 | } |
516 | |
601 | |
517 | /*****************************************************************************/ |
602 | /*****************************************************************************/ |
518 | |
603 | |
519 | static void |
604 | void inline_speed |
520 | upheap (WT *heap, int k) |
605 | upheap (WT *heap, int k) |
521 | { |
606 | { |
522 | WT w = heap [k]; |
607 | WT w = heap [k]; |
523 | |
608 | |
524 | while (k && heap [k >> 1]->at > w->at) |
609 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
531 | heap [k] = w; |
616 | heap [k] = w; |
532 | ((W)heap [k])->active = k + 1; |
617 | ((W)heap [k])->active = k + 1; |
533 | |
618 | |
534 | } |
619 | } |
535 | |
620 | |
536 | static void |
621 | void inline_speed |
537 | downheap (WT *heap, int N, int k) |
622 | downheap (WT *heap, int N, int k) |
538 | { |
623 | { |
539 | WT w = heap [k]; |
624 | WT w = heap [k]; |
540 | |
625 | |
541 | while (k < (N >> 1)) |
626 | while (k < (N >> 1)) |
… | |
… | |
555 | |
640 | |
556 | heap [k] = w; |
641 | heap [k] = w; |
557 | ((W)heap [k])->active = k + 1; |
642 | ((W)heap [k])->active = k + 1; |
558 | } |
643 | } |
559 | |
644 | |
560 | inline void |
645 | void inline_size |
561 | adjustheap (WT *heap, int N, int k) |
646 | adjustheap (WT *heap, int N, int k) |
562 | { |
647 | { |
563 | upheap (heap, k); |
648 | upheap (heap, k); |
564 | downheap (heap, N, k); |
649 | downheap (heap, N, k); |
565 | } |
650 | } |
… | |
… | |
575 | static ANSIG *signals; |
660 | static ANSIG *signals; |
576 | static int signalmax; |
661 | static int signalmax; |
577 | |
662 | |
578 | static int sigpipe [2]; |
663 | static int sigpipe [2]; |
579 | static sig_atomic_t volatile gotsig; |
664 | static sig_atomic_t volatile gotsig; |
580 | static struct ev_io sigev; |
665 | static ev_io sigev; |
581 | |
666 | |
582 | static void |
667 | void inline_size |
583 | signals_init (ANSIG *base, int count) |
668 | signals_init (ANSIG *base, int count) |
584 | { |
669 | { |
585 | while (count--) |
670 | while (count--) |
586 | { |
671 | { |
587 | base->head = 0; |
672 | base->head = 0; |
… | |
… | |
607 | write (sigpipe [1], &signum, 1); |
692 | write (sigpipe [1], &signum, 1); |
608 | errno = old_errno; |
693 | errno = old_errno; |
609 | } |
694 | } |
610 | } |
695 | } |
611 | |
696 | |
612 | void |
697 | void noinline |
613 | ev_feed_signal_event (EV_P_ int signum) |
698 | ev_feed_signal_event (EV_P_ int signum) |
614 | { |
699 | { |
615 | WL w; |
700 | WL w; |
616 | |
701 | |
617 | #if EV_MULTIPLICITY |
702 | #if EV_MULTIPLICITY |
618 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
703 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
619 | #endif |
704 | #endif |
620 | |
705 | |
621 | --signum; |
706 | --signum; |
622 | |
707 | |
623 | if (signum < 0 || signum >= signalmax) |
708 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
628 | for (w = signals [signum].head; w; w = w->next) |
713 | for (w = signals [signum].head; w; w = w->next) |
629 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
714 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
630 | } |
715 | } |
631 | |
716 | |
632 | static void |
717 | static void |
633 | sigcb (EV_P_ struct ev_io *iow, int revents) |
718 | sigcb (EV_P_ ev_io *iow, int revents) |
634 | { |
719 | { |
635 | int signum; |
720 | int signum; |
636 | |
721 | |
637 | read (sigpipe [0], &revents, 1); |
722 | read (sigpipe [0], &revents, 1); |
638 | gotsig = 0; |
723 | gotsig = 0; |
… | |
… | |
640 | for (signum = signalmax; signum--; ) |
725 | for (signum = signalmax; signum--; ) |
641 | if (signals [signum].gotsig) |
726 | if (signals [signum].gotsig) |
642 | ev_feed_signal_event (EV_A_ signum + 1); |
727 | ev_feed_signal_event (EV_A_ signum + 1); |
643 | } |
728 | } |
644 | |
729 | |
645 | inline void |
730 | void inline_size |
646 | fd_intern (int fd) |
731 | fd_intern (int fd) |
647 | { |
732 | { |
648 | #ifdef _WIN32 |
733 | #ifdef _WIN32 |
649 | int arg = 1; |
734 | int arg = 1; |
650 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
735 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
652 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
737 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
653 | fcntl (fd, F_SETFL, O_NONBLOCK); |
738 | fcntl (fd, F_SETFL, O_NONBLOCK); |
654 | #endif |
739 | #endif |
655 | } |
740 | } |
656 | |
741 | |
657 | static void |
742 | static void noinline |
658 | siginit (EV_P) |
743 | siginit (EV_P) |
659 | { |
744 | { |
660 | fd_intern (sigpipe [0]); |
745 | fd_intern (sigpipe [0]); |
661 | fd_intern (sigpipe [1]); |
746 | fd_intern (sigpipe [1]); |
662 | |
747 | |
… | |
… | |
665 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
750 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
666 | } |
751 | } |
667 | |
752 | |
668 | /*****************************************************************************/ |
753 | /*****************************************************************************/ |
669 | |
754 | |
670 | static struct ev_child *childs [PID_HASHSIZE]; |
755 | static ev_child *childs [EV_PID_HASHSIZE]; |
671 | |
756 | |
672 | #ifndef _WIN32 |
757 | #ifndef _WIN32 |
673 | |
758 | |
674 | static struct ev_signal childev; |
759 | static ev_signal childev; |
675 | |
760 | |
676 | #ifndef WCONTINUED |
761 | void inline_speed |
677 | # define WCONTINUED 0 |
|
|
678 | #endif |
|
|
679 | |
|
|
680 | static void |
|
|
681 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
762 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
682 | { |
763 | { |
683 | struct ev_child *w; |
764 | ev_child *w; |
684 | |
765 | |
685 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
766 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
686 | if (w->pid == pid || !w->pid) |
767 | if (w->pid == pid || !w->pid) |
687 | { |
768 | { |
688 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
769 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
689 | w->rpid = pid; |
770 | w->rpid = pid; |
690 | w->rstatus = status; |
771 | w->rstatus = status; |
691 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
772 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
692 | } |
773 | } |
693 | } |
774 | } |
694 | |
775 | |
|
|
776 | #ifndef WCONTINUED |
|
|
777 | # define WCONTINUED 0 |
|
|
778 | #endif |
|
|
779 | |
695 | static void |
780 | static void |
696 | childcb (EV_P_ struct ev_signal *sw, int revents) |
781 | childcb (EV_P_ ev_signal *sw, int revents) |
697 | { |
782 | { |
698 | int pid, status; |
783 | int pid, status; |
699 | |
784 | |
|
|
785 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
700 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
786 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
701 | { |
787 | if (!WCONTINUED |
|
|
788 | || errno != EINVAL |
|
|
789 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
790 | return; |
|
|
791 | |
702 | /* make sure we are called again until all childs have been reaped */ |
792 | /* make sure we are called again until all childs have been reaped */ |
|
|
793 | /* we need to do it this way so that the callback gets called before we continue */ |
703 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
794 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
704 | |
795 | |
705 | child_reap (EV_A_ sw, pid, pid, status); |
796 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
797 | if (EV_PID_HASHSIZE > 1) |
706 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
798 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
707 | } |
|
|
708 | } |
799 | } |
709 | |
800 | |
710 | #endif |
801 | #endif |
711 | |
802 | |
712 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
713 | |
804 | |
|
|
805 | #if EV_USE_PORT |
|
|
806 | # include "ev_port.c" |
|
|
807 | #endif |
714 | #if EV_USE_KQUEUE |
808 | #if EV_USE_KQUEUE |
715 | # include "ev_kqueue.c" |
809 | # include "ev_kqueue.c" |
716 | #endif |
810 | #endif |
717 | #if EV_USE_EPOLL |
811 | #if EV_USE_EPOLL |
718 | # include "ev_epoll.c" |
812 | # include "ev_epoll.c" |
… | |
… | |
735 | { |
829 | { |
736 | return EV_VERSION_MINOR; |
830 | return EV_VERSION_MINOR; |
737 | } |
831 | } |
738 | |
832 | |
739 | /* return true if we are running with elevated privileges and should ignore env variables */ |
833 | /* return true if we are running with elevated privileges and should ignore env variables */ |
740 | static int |
834 | int inline_size |
741 | enable_secure (void) |
835 | enable_secure (void) |
742 | { |
836 | { |
743 | #ifdef _WIN32 |
837 | #ifdef _WIN32 |
744 | return 0; |
838 | return 0; |
745 | #else |
839 | #else |
… | |
… | |
747 | || getgid () != getegid (); |
841 | || getgid () != getegid (); |
748 | #endif |
842 | #endif |
749 | } |
843 | } |
750 | |
844 | |
751 | unsigned int |
845 | unsigned int |
752 | ev_method (EV_P) |
846 | ev_supported_backends (void) |
753 | { |
847 | { |
754 | return method; |
848 | unsigned int flags = 0; |
755 | } |
|
|
756 | |
849 | |
757 | static void |
850 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
851 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
852 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
853 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
854 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
855 | |
|
|
856 | return flags; |
|
|
857 | } |
|
|
858 | |
|
|
859 | unsigned int |
|
|
860 | ev_recommended_backends (void) |
|
|
861 | { |
|
|
862 | unsigned int flags = ev_supported_backends (); |
|
|
863 | |
|
|
864 | #ifndef __NetBSD__ |
|
|
865 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
866 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
867 | flags &= ~EVBACKEND_KQUEUE; |
|
|
868 | #endif |
|
|
869 | #ifdef __APPLE__ |
|
|
870 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
871 | flags &= ~EVBACKEND_POLL; |
|
|
872 | #endif |
|
|
873 | |
|
|
874 | return flags; |
|
|
875 | } |
|
|
876 | |
|
|
877 | unsigned int |
|
|
878 | ev_embeddable_backends (void) |
|
|
879 | { |
|
|
880 | return EVBACKEND_EPOLL |
|
|
881 | | EVBACKEND_KQUEUE |
|
|
882 | | EVBACKEND_PORT; |
|
|
883 | } |
|
|
884 | |
|
|
885 | unsigned int |
|
|
886 | ev_backend (EV_P) |
|
|
887 | { |
|
|
888 | return backend; |
|
|
889 | } |
|
|
890 | |
|
|
891 | static void noinline |
758 | loop_init (EV_P_ unsigned int flags) |
892 | loop_init (EV_P_ unsigned int flags) |
759 | { |
893 | { |
760 | if (!method) |
894 | if (!backend) |
761 | { |
895 | { |
762 | #if EV_USE_MONOTONIC |
896 | #if EV_USE_MONOTONIC |
763 | { |
897 | { |
764 | struct timespec ts; |
898 | struct timespec ts; |
765 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
899 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
770 | ev_rt_now = ev_time (); |
904 | ev_rt_now = ev_time (); |
771 | mn_now = get_clock (); |
905 | mn_now = get_clock (); |
772 | now_floor = mn_now; |
906 | now_floor = mn_now; |
773 | rtmn_diff = ev_rt_now - mn_now; |
907 | rtmn_diff = ev_rt_now - mn_now; |
774 | |
908 | |
775 | if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
909 | /* pid check not overridable via env */ |
|
|
910 | #ifndef _WIN32 |
|
|
911 | if (flags & EVFLAG_FORKCHECK) |
|
|
912 | curpid = getpid (); |
|
|
913 | #endif |
|
|
914 | |
|
|
915 | if (!(flags & EVFLAG_NOENV) |
|
|
916 | && !enable_secure () |
|
|
917 | && getenv ("LIBEV_FLAGS")) |
776 | flags = atoi (getenv ("LIBEV_FLAGS")); |
918 | flags = atoi (getenv ("LIBEV_FLAGS")); |
777 | |
919 | |
778 | if (!(flags & 0x0000ffff)) |
920 | if (!(flags & 0x0000ffffUL)) |
779 | flags |= 0x0000ffff; |
921 | flags |= ev_recommended_backends (); |
780 | |
922 | |
781 | method = 0; |
923 | backend = 0; |
|
|
924 | backend_fd = -1; |
|
|
925 | #if EV_USE_INOTIFY |
|
|
926 | fs_fd = -2; |
|
|
927 | #endif |
|
|
928 | |
|
|
929 | #if EV_USE_PORT |
|
|
930 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
931 | #endif |
782 | #if EV_USE_KQUEUE |
932 | #if EV_USE_KQUEUE |
783 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
933 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
784 | #endif |
934 | #endif |
785 | #if EV_USE_EPOLL |
935 | #if EV_USE_EPOLL |
786 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
936 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
787 | #endif |
937 | #endif |
788 | #if EV_USE_POLL |
938 | #if EV_USE_POLL |
789 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
939 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
790 | #endif |
940 | #endif |
791 | #if EV_USE_SELECT |
941 | #if EV_USE_SELECT |
792 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
942 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
793 | #endif |
943 | #endif |
794 | |
944 | |
795 | ev_init (&sigev, sigcb); |
945 | ev_init (&sigev, sigcb); |
796 | ev_set_priority (&sigev, EV_MAXPRI); |
946 | ev_set_priority (&sigev, EV_MAXPRI); |
797 | } |
947 | } |
798 | } |
948 | } |
799 | |
949 | |
800 | void |
950 | static void noinline |
801 | loop_destroy (EV_P) |
951 | loop_destroy (EV_P) |
802 | { |
952 | { |
803 | int i; |
953 | int i; |
804 | |
954 | |
|
|
955 | #if EV_USE_INOTIFY |
|
|
956 | if (fs_fd >= 0) |
|
|
957 | close (fs_fd); |
|
|
958 | #endif |
|
|
959 | |
|
|
960 | if (backend_fd >= 0) |
|
|
961 | close (backend_fd); |
|
|
962 | |
|
|
963 | #if EV_USE_PORT |
|
|
964 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
965 | #endif |
805 | #if EV_USE_KQUEUE |
966 | #if EV_USE_KQUEUE |
806 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
967 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
807 | #endif |
968 | #endif |
808 | #if EV_USE_EPOLL |
969 | #if EV_USE_EPOLL |
809 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
970 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
810 | #endif |
971 | #endif |
811 | #if EV_USE_POLL |
972 | #if EV_USE_POLL |
812 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
973 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
813 | #endif |
974 | #endif |
814 | #if EV_USE_SELECT |
975 | #if EV_USE_SELECT |
815 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
976 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
816 | #endif |
977 | #endif |
817 | |
978 | |
818 | for (i = NUMPRI; i--; ) |
979 | for (i = NUMPRI; i--; ) |
819 | array_free (pending, [i]); |
980 | array_free (pending, [i]); |
820 | |
981 | |
821 | /* have to use the microsoft-never-gets-it-right macro */ |
982 | /* have to use the microsoft-never-gets-it-right macro */ |
822 | array_free (fdchange, EMPTY); |
983 | array_free (fdchange, EMPTY0); |
823 | array_free (timer, EMPTY); |
984 | array_free (timer, EMPTY0); |
824 | #if EV_PERIODICS |
985 | #if EV_PERIODIC_ENABLE |
825 | array_free (periodic, EMPTY); |
986 | array_free (periodic, EMPTY0); |
826 | #endif |
987 | #endif |
827 | array_free (idle, EMPTY); |
988 | array_free (idle, EMPTY0); |
828 | array_free (prepare, EMPTY); |
989 | array_free (prepare, EMPTY0); |
829 | array_free (check, EMPTY); |
990 | array_free (check, EMPTY0); |
830 | |
991 | |
831 | method = 0; |
992 | backend = 0; |
832 | } |
993 | } |
833 | |
994 | |
834 | static void |
995 | void inline_size infy_fork (EV_P); |
|
|
996 | |
|
|
997 | void inline_size |
835 | loop_fork (EV_P) |
998 | loop_fork (EV_P) |
836 | { |
999 | { |
|
|
1000 | #if EV_USE_PORT |
|
|
1001 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
1002 | #endif |
|
|
1003 | #if EV_USE_KQUEUE |
|
|
1004 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
1005 | #endif |
837 | #if EV_USE_EPOLL |
1006 | #if EV_USE_EPOLL |
838 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1007 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
839 | #endif |
1008 | #endif |
840 | #if EV_USE_KQUEUE |
1009 | #if EV_USE_INOTIFY |
841 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1010 | infy_fork (EV_A); |
842 | #endif |
1011 | #endif |
843 | |
1012 | |
844 | if (ev_is_active (&sigev)) |
1013 | if (ev_is_active (&sigev)) |
845 | { |
1014 | { |
846 | /* default loop */ |
1015 | /* default loop */ |
… | |
… | |
867 | |
1036 | |
868 | memset (loop, 0, sizeof (struct ev_loop)); |
1037 | memset (loop, 0, sizeof (struct ev_loop)); |
869 | |
1038 | |
870 | loop_init (EV_A_ flags); |
1039 | loop_init (EV_A_ flags); |
871 | |
1040 | |
872 | if (ev_method (EV_A)) |
1041 | if (ev_backend (EV_A)) |
873 | return loop; |
1042 | return loop; |
874 | |
1043 | |
875 | return 0; |
1044 | return 0; |
876 | } |
1045 | } |
877 | |
1046 | |
… | |
… | |
890 | |
1059 | |
891 | #endif |
1060 | #endif |
892 | |
1061 | |
893 | #if EV_MULTIPLICITY |
1062 | #if EV_MULTIPLICITY |
894 | struct ev_loop * |
1063 | struct ev_loop * |
|
|
1064 | ev_default_loop_init (unsigned int flags) |
895 | #else |
1065 | #else |
896 | int |
1066 | int |
897 | #endif |
|
|
898 | ev_default_loop (unsigned int flags) |
1067 | ev_default_loop (unsigned int flags) |
|
|
1068 | #endif |
899 | { |
1069 | { |
900 | if (sigpipe [0] == sigpipe [1]) |
1070 | if (sigpipe [0] == sigpipe [1]) |
901 | if (pipe (sigpipe)) |
1071 | if (pipe (sigpipe)) |
902 | return 0; |
1072 | return 0; |
903 | |
1073 | |
904 | if (!default_loop) |
1074 | if (!ev_default_loop_ptr) |
905 | { |
1075 | { |
906 | #if EV_MULTIPLICITY |
1076 | #if EV_MULTIPLICITY |
907 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1077 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
908 | #else |
1078 | #else |
909 | default_loop = 1; |
1079 | ev_default_loop_ptr = 1; |
910 | #endif |
1080 | #endif |
911 | |
1081 | |
912 | loop_init (EV_A_ flags); |
1082 | loop_init (EV_A_ flags); |
913 | |
1083 | |
914 | if (ev_method (EV_A)) |
1084 | if (ev_backend (EV_A)) |
915 | { |
1085 | { |
916 | siginit (EV_A); |
1086 | siginit (EV_A); |
917 | |
1087 | |
918 | #ifndef _WIN32 |
1088 | #ifndef _WIN32 |
919 | ev_signal_init (&childev, childcb, SIGCHLD); |
1089 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
921 | ev_signal_start (EV_A_ &childev); |
1091 | ev_signal_start (EV_A_ &childev); |
922 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1092 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
923 | #endif |
1093 | #endif |
924 | } |
1094 | } |
925 | else |
1095 | else |
926 | default_loop = 0; |
1096 | ev_default_loop_ptr = 0; |
927 | } |
1097 | } |
928 | |
1098 | |
929 | return default_loop; |
1099 | return ev_default_loop_ptr; |
930 | } |
1100 | } |
931 | |
1101 | |
932 | void |
1102 | void |
933 | ev_default_destroy (void) |
1103 | ev_default_destroy (void) |
934 | { |
1104 | { |
935 | #if EV_MULTIPLICITY |
1105 | #if EV_MULTIPLICITY |
936 | struct ev_loop *loop = default_loop; |
1106 | struct ev_loop *loop = ev_default_loop_ptr; |
937 | #endif |
1107 | #endif |
938 | |
1108 | |
939 | #ifndef _WIN32 |
1109 | #ifndef _WIN32 |
940 | ev_ref (EV_A); /* child watcher */ |
1110 | ev_ref (EV_A); /* child watcher */ |
941 | ev_signal_stop (EV_A_ &childev); |
1111 | ev_signal_stop (EV_A_ &childev); |
… | |
… | |
952 | |
1122 | |
953 | void |
1123 | void |
954 | ev_default_fork (void) |
1124 | ev_default_fork (void) |
955 | { |
1125 | { |
956 | #if EV_MULTIPLICITY |
1126 | #if EV_MULTIPLICITY |
957 | struct ev_loop *loop = default_loop; |
1127 | struct ev_loop *loop = ev_default_loop_ptr; |
958 | #endif |
1128 | #endif |
959 | |
1129 | |
960 | if (method) |
1130 | if (backend) |
961 | postfork = 1; |
1131 | postfork = 1; |
962 | } |
1132 | } |
963 | |
1133 | |
964 | /*****************************************************************************/ |
1134 | /*****************************************************************************/ |
965 | |
1135 | |
966 | static int |
1136 | int inline_size |
967 | any_pending (EV_P) |
1137 | any_pending (EV_P) |
968 | { |
1138 | { |
969 | int pri; |
1139 | int pri; |
970 | |
1140 | |
971 | for (pri = NUMPRI; pri--; ) |
1141 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
973 | return 1; |
1143 | return 1; |
974 | |
1144 | |
975 | return 0; |
1145 | return 0; |
976 | } |
1146 | } |
977 | |
1147 | |
978 | static void |
1148 | void inline_speed |
979 | call_pending (EV_P) |
1149 | call_pending (EV_P) |
980 | { |
1150 | { |
981 | int pri; |
1151 | int pri; |
982 | |
1152 | |
983 | for (pri = NUMPRI; pri--; ) |
1153 | for (pri = NUMPRI; pri--; ) |
984 | while (pendingcnt [pri]) |
1154 | while (pendingcnt [pri]) |
985 | { |
1155 | { |
986 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1156 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
987 | |
1157 | |
988 | if (p->w) |
1158 | if (expect_true (p->w)) |
989 | { |
1159 | { |
|
|
1160 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1161 | |
990 | p->w->pending = 0; |
1162 | p->w->pending = 0; |
991 | EV_CB_INVOKE (p->w, p->events); |
1163 | EV_CB_INVOKE (p->w, p->events); |
992 | } |
1164 | } |
993 | } |
1165 | } |
994 | } |
1166 | } |
995 | |
1167 | |
996 | static void |
1168 | void inline_size |
997 | timers_reify (EV_P) |
1169 | timers_reify (EV_P) |
998 | { |
1170 | { |
999 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1171 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1000 | { |
1172 | { |
1001 | struct ev_timer *w = timers [0]; |
1173 | ev_timer *w = timers [0]; |
1002 | |
1174 | |
1003 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1175 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1004 | |
1176 | |
1005 | /* first reschedule or stop timer */ |
1177 | /* first reschedule or stop timer */ |
1006 | if (w->repeat) |
1178 | if (w->repeat) |
1007 | { |
1179 | { |
1008 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1180 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1018 | |
1190 | |
1019 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1191 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1020 | } |
1192 | } |
1021 | } |
1193 | } |
1022 | |
1194 | |
1023 | #if EV_PERIODICS |
1195 | #if EV_PERIODIC_ENABLE |
1024 | static void |
1196 | void inline_size |
1025 | periodics_reify (EV_P) |
1197 | periodics_reify (EV_P) |
1026 | { |
1198 | { |
1027 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1199 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1028 | { |
1200 | { |
1029 | struct ev_periodic *w = periodics [0]; |
1201 | ev_periodic *w = periodics [0]; |
1030 | |
1202 | |
1031 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1203 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1032 | |
1204 | |
1033 | /* first reschedule or stop timer */ |
1205 | /* first reschedule or stop timer */ |
1034 | if (w->reschedule_cb) |
1206 | if (w->reschedule_cb) |
1035 | { |
1207 | { |
1036 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1208 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1048 | |
1220 | |
1049 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1221 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1050 | } |
1222 | } |
1051 | } |
1223 | } |
1052 | |
1224 | |
1053 | static void |
1225 | static void noinline |
1054 | periodics_reschedule (EV_P) |
1226 | periodics_reschedule (EV_P) |
1055 | { |
1227 | { |
1056 | int i; |
1228 | int i; |
1057 | |
1229 | |
1058 | /* adjust periodics after time jump */ |
1230 | /* adjust periodics after time jump */ |
1059 | for (i = 0; i < periodiccnt; ++i) |
1231 | for (i = 0; i < periodiccnt; ++i) |
1060 | { |
1232 | { |
1061 | struct ev_periodic *w = periodics [i]; |
1233 | ev_periodic *w = periodics [i]; |
1062 | |
1234 | |
1063 | if (w->reschedule_cb) |
1235 | if (w->reschedule_cb) |
1064 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1065 | else if (w->interval) |
1237 | else if (w->interval) |
1066 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1238 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1070 | for (i = periodiccnt >> 1; i--; ) |
1242 | for (i = periodiccnt >> 1; i--; ) |
1071 | downheap ((WT *)periodics, periodiccnt, i); |
1243 | downheap ((WT *)periodics, periodiccnt, i); |
1072 | } |
1244 | } |
1073 | #endif |
1245 | #endif |
1074 | |
1246 | |
1075 | inline int |
1247 | int inline_size |
1076 | time_update_monotonic (EV_P) |
1248 | time_update_monotonic (EV_P) |
1077 | { |
1249 | { |
1078 | mn_now = get_clock (); |
1250 | mn_now = get_clock (); |
1079 | |
1251 | |
1080 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1252 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1088 | ev_rt_now = ev_time (); |
1260 | ev_rt_now = ev_time (); |
1089 | return 1; |
1261 | return 1; |
1090 | } |
1262 | } |
1091 | } |
1263 | } |
1092 | |
1264 | |
1093 | static void |
1265 | void inline_size |
1094 | time_update (EV_P) |
1266 | time_update (EV_P) |
1095 | { |
1267 | { |
1096 | int i; |
1268 | int i; |
1097 | |
1269 | |
1098 | #if EV_USE_MONOTONIC |
1270 | #if EV_USE_MONOTONIC |
… | |
… | |
1100 | { |
1272 | { |
1101 | if (time_update_monotonic (EV_A)) |
1273 | if (time_update_monotonic (EV_A)) |
1102 | { |
1274 | { |
1103 | ev_tstamp odiff = rtmn_diff; |
1275 | ev_tstamp odiff = rtmn_diff; |
1104 | |
1276 | |
1105 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1277 | /* loop a few times, before making important decisions. |
|
|
1278 | * on the choice of "4": one iteration isn't enough, |
|
|
1279 | * in case we get preempted during the calls to |
|
|
1280 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1281 | * to succeed in that case, though. and looping a few more times |
|
|
1282 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1283 | * in the unlikely event of having been preempted here. |
|
|
1284 | */ |
|
|
1285 | for (i = 4; --i; ) |
1106 | { |
1286 | { |
1107 | rtmn_diff = ev_rt_now - mn_now; |
1287 | rtmn_diff = ev_rt_now - mn_now; |
1108 | |
1288 | |
1109 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1289 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1110 | return; /* all is well */ |
1290 | return; /* all is well */ |
… | |
… | |
1112 | ev_rt_now = ev_time (); |
1292 | ev_rt_now = ev_time (); |
1113 | mn_now = get_clock (); |
1293 | mn_now = get_clock (); |
1114 | now_floor = mn_now; |
1294 | now_floor = mn_now; |
1115 | } |
1295 | } |
1116 | |
1296 | |
1117 | # if EV_PERIODICS |
1297 | # if EV_PERIODIC_ENABLE |
1118 | periodics_reschedule (EV_A); |
1298 | periodics_reschedule (EV_A); |
1119 | # endif |
1299 | # endif |
1120 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1300 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1121 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1301 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1122 | } |
1302 | } |
… | |
… | |
1126 | { |
1306 | { |
1127 | ev_rt_now = ev_time (); |
1307 | ev_rt_now = ev_time (); |
1128 | |
1308 | |
1129 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1309 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1130 | { |
1310 | { |
1131 | #if EV_PERIODICS |
1311 | #if EV_PERIODIC_ENABLE |
1132 | periodics_reschedule (EV_A); |
1312 | periodics_reschedule (EV_A); |
1133 | #endif |
1313 | #endif |
1134 | |
1314 | |
1135 | /* adjust timers. this is easy, as the offset is the same for all */ |
1315 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1136 | for (i = 0; i < timercnt; ++i) |
1316 | for (i = 0; i < timercnt; ++i) |
1137 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1317 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1138 | } |
1318 | } |
1139 | |
1319 | |
1140 | mn_now = ev_rt_now; |
1320 | mn_now = ev_rt_now; |
… | |
… | |
1156 | static int loop_done; |
1336 | static int loop_done; |
1157 | |
1337 | |
1158 | void |
1338 | void |
1159 | ev_loop (EV_P_ int flags) |
1339 | ev_loop (EV_P_ int flags) |
1160 | { |
1340 | { |
1161 | double block; |
|
|
1162 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1341 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1342 | ? EVUNLOOP_ONE |
|
|
1343 | : EVUNLOOP_CANCEL; |
1163 | |
1344 | |
1164 | do |
1345 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1346 | |
|
|
1347 | while (expect_false (!activecnt)) |
1165 | { |
1348 | { |
|
|
1349 | #ifndef _WIN32 |
|
|
1350 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1351 | if (expect_false (getpid () != curpid)) |
|
|
1352 | { |
|
|
1353 | curpid = getpid (); |
|
|
1354 | postfork = 1; |
|
|
1355 | } |
|
|
1356 | #endif |
|
|
1357 | |
|
|
1358 | #if EV_FORK_ENABLE |
|
|
1359 | /* we might have forked, so queue fork handlers */ |
|
|
1360 | if (expect_false (postfork)) |
|
|
1361 | if (forkcnt) |
|
|
1362 | { |
|
|
1363 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1364 | call_pending (EV_A); |
|
|
1365 | } |
|
|
1366 | #endif |
|
|
1367 | |
1166 | /* queue check watchers (and execute them) */ |
1368 | /* queue check watchers (and execute them) */ |
1167 | if (expect_false (preparecnt)) |
1369 | if (expect_false (preparecnt)) |
1168 | { |
1370 | { |
1169 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1371 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1170 | call_pending (EV_A); |
1372 | call_pending (EV_A); |
1171 | } |
1373 | } |
1172 | |
1374 | |
|
|
1375 | if (expect_false (!activecnt)) |
|
|
1376 | break; |
|
|
1377 | |
1173 | /* we might have forked, so reify kernel state if necessary */ |
1378 | /* we might have forked, so reify kernel state if necessary */ |
1174 | if (expect_false (postfork)) |
1379 | if (expect_false (postfork)) |
1175 | loop_fork (EV_A); |
1380 | loop_fork (EV_A); |
1176 | |
1381 | |
1177 | /* update fd-related kernel structures */ |
1382 | /* update fd-related kernel structures */ |
1178 | fd_reify (EV_A); |
1383 | fd_reify (EV_A); |
1179 | |
1384 | |
1180 | /* calculate blocking time */ |
1385 | /* calculate blocking time */ |
|
|
1386 | { |
|
|
1387 | ev_tstamp block; |
1181 | |
1388 | |
1182 | /* we only need this for !monotonic clock or timers, but as we basically |
1389 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1183 | always have timers, we just calculate it always */ |
1390 | block = 0.; /* do not block at all */ |
|
|
1391 | else |
|
|
1392 | { |
|
|
1393 | /* update time to cancel out callback processing overhead */ |
1184 | #if EV_USE_MONOTONIC |
1394 | #if EV_USE_MONOTONIC |
1185 | if (expect_true (have_monotonic)) |
1395 | if (expect_true (have_monotonic)) |
1186 | time_update_monotonic (EV_A); |
1396 | time_update_monotonic (EV_A); |
1187 | else |
1397 | else |
1188 | #endif |
1398 | #endif |
1189 | { |
1399 | { |
1190 | ev_rt_now = ev_time (); |
1400 | ev_rt_now = ev_time (); |
1191 | mn_now = ev_rt_now; |
1401 | mn_now = ev_rt_now; |
1192 | } |
1402 | } |
1193 | |
1403 | |
1194 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1195 | block = 0.; |
|
|
1196 | else |
|
|
1197 | { |
|
|
1198 | block = MAX_BLOCKTIME; |
1404 | block = MAX_BLOCKTIME; |
1199 | |
1405 | |
1200 | if (timercnt) |
1406 | if (timercnt) |
1201 | { |
1407 | { |
1202 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1408 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1203 | if (block > to) block = to; |
1409 | if (block > to) block = to; |
1204 | } |
1410 | } |
1205 | |
1411 | |
1206 | #if EV_PERIODICS |
1412 | #if EV_PERIODIC_ENABLE |
1207 | if (periodiccnt) |
1413 | if (periodiccnt) |
1208 | { |
1414 | { |
1209 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1415 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1210 | if (block > to) block = to; |
1416 | if (block > to) block = to; |
1211 | } |
1417 | } |
1212 | #endif |
1418 | #endif |
1213 | |
1419 | |
1214 | if (block < 0.) block = 0.; |
1420 | if (expect_false (block < 0.)) block = 0.; |
1215 | } |
1421 | } |
1216 | |
1422 | |
1217 | method_poll (EV_A_ block); |
1423 | backend_poll (EV_A_ block); |
|
|
1424 | } |
1218 | |
1425 | |
1219 | /* update ev_rt_now, do magic */ |
1426 | /* update ev_rt_now, do magic */ |
1220 | time_update (EV_A); |
1427 | time_update (EV_A); |
1221 | |
1428 | |
1222 | /* queue pending timers and reschedule them */ |
1429 | /* queue pending timers and reschedule them */ |
1223 | timers_reify (EV_A); /* relative timers called last */ |
1430 | timers_reify (EV_A); /* relative timers called last */ |
1224 | #if EV_PERIODICS |
1431 | #if EV_PERIODIC_ENABLE |
1225 | periodics_reify (EV_A); /* absolute timers called first */ |
1432 | periodics_reify (EV_A); /* absolute timers called first */ |
1226 | #endif |
1433 | #endif |
1227 | |
1434 | |
1228 | /* queue idle watchers unless io or timers are pending */ |
1435 | /* queue idle watchers unless other events are pending */ |
1229 | if (idlecnt && !any_pending (EV_A)) |
1436 | if (idlecnt && !any_pending (EV_A)) |
1230 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1437 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1231 | |
1438 | |
1232 | /* queue check watchers, to be executed first */ |
1439 | /* queue check watchers, to be executed first */ |
1233 | if (checkcnt) |
1440 | if (expect_false (checkcnt)) |
1234 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1441 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1235 | |
1442 | |
1236 | call_pending (EV_A); |
1443 | call_pending (EV_A); |
1237 | } |
|
|
1238 | while (activecnt && !loop_done); |
|
|
1239 | |
1444 | |
1240 | if (loop_done != 2) |
1445 | if (expect_false (loop_done)) |
1241 | loop_done = 0; |
1446 | break; |
|
|
1447 | } |
|
|
1448 | |
|
|
1449 | if (loop_done == EVUNLOOP_ONE) |
|
|
1450 | loop_done = EVUNLOOP_CANCEL; |
1242 | } |
1451 | } |
1243 | |
1452 | |
1244 | void |
1453 | void |
1245 | ev_unloop (EV_P_ int how) |
1454 | ev_unloop (EV_P_ int how) |
1246 | { |
1455 | { |
1247 | loop_done = how; |
1456 | loop_done = how; |
1248 | } |
1457 | } |
1249 | |
1458 | |
1250 | /*****************************************************************************/ |
1459 | /*****************************************************************************/ |
1251 | |
1460 | |
1252 | inline void |
1461 | void inline_size |
1253 | wlist_add (WL *head, WL elem) |
1462 | wlist_add (WL *head, WL elem) |
1254 | { |
1463 | { |
1255 | elem->next = *head; |
1464 | elem->next = *head; |
1256 | *head = elem; |
1465 | *head = elem; |
1257 | } |
1466 | } |
1258 | |
1467 | |
1259 | inline void |
1468 | void inline_size |
1260 | wlist_del (WL *head, WL elem) |
1469 | wlist_del (WL *head, WL elem) |
1261 | { |
1470 | { |
1262 | while (*head) |
1471 | while (*head) |
1263 | { |
1472 | { |
1264 | if (*head == elem) |
1473 | if (*head == elem) |
… | |
… | |
1269 | |
1478 | |
1270 | head = &(*head)->next; |
1479 | head = &(*head)->next; |
1271 | } |
1480 | } |
1272 | } |
1481 | } |
1273 | |
1482 | |
1274 | inline void |
1483 | void inline_speed |
1275 | ev_clear_pending (EV_P_ W w) |
1484 | ev_clear_pending (EV_P_ W w) |
1276 | { |
1485 | { |
1277 | if (w->pending) |
1486 | if (w->pending) |
1278 | { |
1487 | { |
1279 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1488 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1280 | w->pending = 0; |
1489 | w->pending = 0; |
1281 | } |
1490 | } |
1282 | } |
1491 | } |
1283 | |
1492 | |
1284 | inline void |
1493 | void inline_speed |
1285 | ev_start (EV_P_ W w, int active) |
1494 | ev_start (EV_P_ W w, int active) |
1286 | { |
1495 | { |
1287 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1496 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1288 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1497 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1289 | |
1498 | |
1290 | w->active = active; |
1499 | w->active = active; |
1291 | ev_ref (EV_A); |
1500 | ev_ref (EV_A); |
1292 | } |
1501 | } |
1293 | |
1502 | |
1294 | inline void |
1503 | void inline_size |
1295 | ev_stop (EV_P_ W w) |
1504 | ev_stop (EV_P_ W w) |
1296 | { |
1505 | { |
1297 | ev_unref (EV_A); |
1506 | ev_unref (EV_A); |
1298 | w->active = 0; |
1507 | w->active = 0; |
1299 | } |
1508 | } |
1300 | |
1509 | |
1301 | /*****************************************************************************/ |
1510 | /*****************************************************************************/ |
1302 | |
1511 | |
1303 | void |
1512 | void |
1304 | ev_io_start (EV_P_ struct ev_io *w) |
1513 | ev_io_start (EV_P_ ev_io *w) |
1305 | { |
1514 | { |
1306 | int fd = w->fd; |
1515 | int fd = w->fd; |
1307 | |
1516 | |
1308 | if (ev_is_active (w)) |
1517 | if (expect_false (ev_is_active (w))) |
1309 | return; |
1518 | return; |
1310 | |
1519 | |
1311 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1520 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1312 | |
1521 | |
1313 | ev_start (EV_A_ (W)w, 1); |
1522 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1316 | |
1525 | |
1317 | fd_change (EV_A_ fd); |
1526 | fd_change (EV_A_ fd); |
1318 | } |
1527 | } |
1319 | |
1528 | |
1320 | void |
1529 | void |
1321 | ev_io_stop (EV_P_ struct ev_io *w) |
1530 | ev_io_stop (EV_P_ ev_io *w) |
1322 | { |
1531 | { |
1323 | ev_clear_pending (EV_A_ (W)w); |
1532 | ev_clear_pending (EV_A_ (W)w); |
1324 | if (!ev_is_active (w)) |
1533 | if (expect_false (!ev_is_active (w))) |
1325 | return; |
1534 | return; |
1326 | |
1535 | |
1327 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1536 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1328 | |
1537 | |
1329 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1538 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1331 | |
1540 | |
1332 | fd_change (EV_A_ w->fd); |
1541 | fd_change (EV_A_ w->fd); |
1333 | } |
1542 | } |
1334 | |
1543 | |
1335 | void |
1544 | void |
1336 | ev_timer_start (EV_P_ struct ev_timer *w) |
1545 | ev_timer_start (EV_P_ ev_timer *w) |
1337 | { |
1546 | { |
1338 | if (ev_is_active (w)) |
1547 | if (expect_false (ev_is_active (w))) |
1339 | return; |
1548 | return; |
1340 | |
1549 | |
1341 | ((WT)w)->at += mn_now; |
1550 | ((WT)w)->at += mn_now; |
1342 | |
1551 | |
1343 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1552 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1344 | |
1553 | |
1345 | ev_start (EV_A_ (W)w, ++timercnt); |
1554 | ev_start (EV_A_ (W)w, ++timercnt); |
1346 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1555 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1347 | timers [timercnt - 1] = w; |
1556 | timers [timercnt - 1] = w; |
1348 | upheap ((WT *)timers, timercnt - 1); |
1557 | upheap ((WT *)timers, timercnt - 1); |
1349 | |
1558 | |
|
|
1559 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | void |
|
|
1563 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1564 | { |
|
|
1565 | ev_clear_pending (EV_A_ (W)w); |
|
|
1566 | if (expect_false (!ev_is_active (w))) |
|
|
1567 | return; |
|
|
1568 | |
1350 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1569 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1351 | } |
|
|
1352 | |
1570 | |
1353 | void |
1571 | { |
1354 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1572 | int active = ((W)w)->active; |
1355 | { |
|
|
1356 | ev_clear_pending (EV_A_ (W)w); |
|
|
1357 | if (!ev_is_active (w)) |
|
|
1358 | return; |
|
|
1359 | |
1573 | |
1360 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1574 | if (expect_true (--active < --timercnt)) |
1361 | |
|
|
1362 | if (((W)w)->active < timercnt--) |
|
|
1363 | { |
1575 | { |
1364 | timers [((W)w)->active - 1] = timers [timercnt]; |
1576 | timers [active] = timers [timercnt]; |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1577 | adjustheap ((WT *)timers, timercnt, active); |
1366 | } |
1578 | } |
|
|
1579 | } |
1367 | |
1580 | |
1368 | ((WT)w)->at -= mn_now; |
1581 | ((WT)w)->at -= mn_now; |
1369 | |
1582 | |
1370 | ev_stop (EV_A_ (W)w); |
1583 | ev_stop (EV_A_ (W)w); |
1371 | } |
1584 | } |
1372 | |
1585 | |
1373 | void |
1586 | void |
1374 | ev_timer_again (EV_P_ struct ev_timer *w) |
1587 | ev_timer_again (EV_P_ ev_timer *w) |
1375 | { |
1588 | { |
1376 | if (ev_is_active (w)) |
1589 | if (ev_is_active (w)) |
1377 | { |
1590 | { |
1378 | if (w->repeat) |
1591 | if (w->repeat) |
1379 | { |
1592 | { |
… | |
… | |
1382 | } |
1595 | } |
1383 | else |
1596 | else |
1384 | ev_timer_stop (EV_A_ w); |
1597 | ev_timer_stop (EV_A_ w); |
1385 | } |
1598 | } |
1386 | else if (w->repeat) |
1599 | else if (w->repeat) |
|
|
1600 | { |
|
|
1601 | w->at = w->repeat; |
1387 | ev_timer_start (EV_A_ w); |
1602 | ev_timer_start (EV_A_ w); |
|
|
1603 | } |
1388 | } |
1604 | } |
1389 | |
1605 | |
1390 | #if EV_PERIODICS |
1606 | #if EV_PERIODIC_ENABLE |
1391 | void |
1607 | void |
1392 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1608 | ev_periodic_start (EV_P_ ev_periodic *w) |
1393 | { |
1609 | { |
1394 | if (ev_is_active (w)) |
1610 | if (expect_false (ev_is_active (w))) |
1395 | return; |
1611 | return; |
1396 | |
1612 | |
1397 | if (w->reschedule_cb) |
1613 | if (w->reschedule_cb) |
1398 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1614 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1399 | else if (w->interval) |
1615 | else if (w->interval) |
… | |
… | |
1402 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1618 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1403 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1619 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1404 | } |
1620 | } |
1405 | |
1621 | |
1406 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1622 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1407 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1623 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1408 | periodics [periodiccnt - 1] = w; |
1624 | periodics [periodiccnt - 1] = w; |
1409 | upheap ((WT *)periodics, periodiccnt - 1); |
1625 | upheap ((WT *)periodics, periodiccnt - 1); |
1410 | |
1626 | |
|
|
1627 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | void |
|
|
1631 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1632 | { |
|
|
1633 | ev_clear_pending (EV_A_ (W)w); |
|
|
1634 | if (expect_false (!ev_is_active (w))) |
|
|
1635 | return; |
|
|
1636 | |
1411 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1637 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1412 | } |
|
|
1413 | |
1638 | |
1414 | void |
1639 | { |
1415 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1640 | int active = ((W)w)->active; |
1416 | { |
|
|
1417 | ev_clear_pending (EV_A_ (W)w); |
|
|
1418 | if (!ev_is_active (w)) |
|
|
1419 | return; |
|
|
1420 | |
1641 | |
1421 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1642 | if (expect_true (--active < --periodiccnt)) |
1422 | |
|
|
1423 | if (((W)w)->active < periodiccnt--) |
|
|
1424 | { |
1643 | { |
1425 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1644 | periodics [active] = periodics [periodiccnt]; |
1426 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1645 | adjustheap ((WT *)periodics, periodiccnt, active); |
1427 | } |
1646 | } |
|
|
1647 | } |
1428 | |
1648 | |
1429 | ev_stop (EV_A_ (W)w); |
1649 | ev_stop (EV_A_ (W)w); |
1430 | } |
1650 | } |
1431 | |
1651 | |
1432 | void |
1652 | void |
1433 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1653 | ev_periodic_again (EV_P_ ev_periodic *w) |
1434 | { |
1654 | { |
1435 | /* TODO: use adjustheap and recalculation */ |
1655 | /* TODO: use adjustheap and recalculation */ |
1436 | ev_periodic_stop (EV_A_ w); |
1656 | ev_periodic_stop (EV_A_ w); |
1437 | ev_periodic_start (EV_A_ w); |
1657 | ev_periodic_start (EV_A_ w); |
1438 | } |
1658 | } |
1439 | #endif |
1659 | #endif |
1440 | |
1660 | |
1441 | void |
|
|
1442 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1443 | { |
|
|
1444 | if (ev_is_active (w)) |
|
|
1445 | return; |
|
|
1446 | |
|
|
1447 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1448 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
|
|
1449 | idles [idlecnt - 1] = w; |
|
|
1450 | } |
|
|
1451 | |
|
|
1452 | void |
|
|
1453 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1454 | { |
|
|
1455 | ev_clear_pending (EV_A_ (W)w); |
|
|
1456 | if (!ev_is_active (w)) |
|
|
1457 | return; |
|
|
1458 | |
|
|
1459 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1460 | ev_stop (EV_A_ (W)w); |
|
|
1461 | } |
|
|
1462 | |
|
|
1463 | void |
|
|
1464 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1465 | { |
|
|
1466 | if (ev_is_active (w)) |
|
|
1467 | return; |
|
|
1468 | |
|
|
1469 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1470 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1471 | prepares [preparecnt - 1] = w; |
|
|
1472 | } |
|
|
1473 | |
|
|
1474 | void |
|
|
1475 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1476 | { |
|
|
1477 | ev_clear_pending (EV_A_ (W)w); |
|
|
1478 | if (!ev_is_active (w)) |
|
|
1479 | return; |
|
|
1480 | |
|
|
1481 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1482 | ev_stop (EV_A_ (W)w); |
|
|
1483 | } |
|
|
1484 | |
|
|
1485 | void |
|
|
1486 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1487 | { |
|
|
1488 | if (ev_is_active (w)) |
|
|
1489 | return; |
|
|
1490 | |
|
|
1491 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1492 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
|
|
1493 | checks [checkcnt - 1] = w; |
|
|
1494 | } |
|
|
1495 | |
|
|
1496 | void |
|
|
1497 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1498 | { |
|
|
1499 | ev_clear_pending (EV_A_ (W)w); |
|
|
1500 | if (!ev_is_active (w)) |
|
|
1501 | return; |
|
|
1502 | |
|
|
1503 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1504 | ev_stop (EV_A_ (W)w); |
|
|
1505 | } |
|
|
1506 | |
|
|
1507 | #ifndef SA_RESTART |
1661 | #ifndef SA_RESTART |
1508 | # define SA_RESTART 0 |
1662 | # define SA_RESTART 0 |
1509 | #endif |
1663 | #endif |
1510 | |
1664 | |
1511 | void |
1665 | void |
1512 | ev_signal_start (EV_P_ struct ev_signal *w) |
1666 | ev_signal_start (EV_P_ ev_signal *w) |
1513 | { |
1667 | { |
1514 | #if EV_MULTIPLICITY |
1668 | #if EV_MULTIPLICITY |
1515 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1669 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1516 | #endif |
1670 | #endif |
1517 | if (ev_is_active (w)) |
1671 | if (expect_false (ev_is_active (w))) |
1518 | return; |
1672 | return; |
1519 | |
1673 | |
1520 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1674 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1521 | |
1675 | |
1522 | ev_start (EV_A_ (W)w, 1); |
1676 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1536 | #endif |
1690 | #endif |
1537 | } |
1691 | } |
1538 | } |
1692 | } |
1539 | |
1693 | |
1540 | void |
1694 | void |
1541 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1695 | ev_signal_stop (EV_P_ ev_signal *w) |
1542 | { |
1696 | { |
1543 | ev_clear_pending (EV_A_ (W)w); |
1697 | ev_clear_pending (EV_A_ (W)w); |
1544 | if (!ev_is_active (w)) |
1698 | if (expect_false (!ev_is_active (w))) |
1545 | return; |
1699 | return; |
1546 | |
1700 | |
1547 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1701 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1548 | ev_stop (EV_A_ (W)w); |
1702 | ev_stop (EV_A_ (W)w); |
1549 | |
1703 | |
1550 | if (!signals [w->signum - 1].head) |
1704 | if (!signals [w->signum - 1].head) |
1551 | signal (w->signum, SIG_DFL); |
1705 | signal (w->signum, SIG_DFL); |
1552 | } |
1706 | } |
1553 | |
1707 | |
1554 | void |
1708 | void |
1555 | ev_child_start (EV_P_ struct ev_child *w) |
1709 | ev_child_start (EV_P_ ev_child *w) |
1556 | { |
1710 | { |
1557 | #if EV_MULTIPLICITY |
1711 | #if EV_MULTIPLICITY |
1558 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1712 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1559 | #endif |
1713 | #endif |
1560 | if (ev_is_active (w)) |
1714 | if (expect_false (ev_is_active (w))) |
1561 | return; |
1715 | return; |
1562 | |
1716 | |
1563 | ev_start (EV_A_ (W)w, 1); |
1717 | ev_start (EV_A_ (W)w, 1); |
1564 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1718 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1565 | } |
1719 | } |
1566 | |
1720 | |
1567 | void |
1721 | void |
1568 | ev_child_stop (EV_P_ struct ev_child *w) |
1722 | ev_child_stop (EV_P_ ev_child *w) |
1569 | { |
1723 | { |
1570 | ev_clear_pending (EV_A_ (W)w); |
1724 | ev_clear_pending (EV_A_ (W)w); |
1571 | if (!ev_is_active (w)) |
1725 | if (expect_false (!ev_is_active (w))) |
1572 | return; |
1726 | return; |
1573 | |
1727 | |
1574 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1728 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1575 | ev_stop (EV_A_ (W)w); |
1729 | ev_stop (EV_A_ (W)w); |
1576 | } |
1730 | } |
1577 | |
1731 | |
|
|
1732 | #if EV_STAT_ENABLE |
|
|
1733 | |
|
|
1734 | # ifdef _WIN32 |
|
|
1735 | # undef lstat |
|
|
1736 | # define lstat(a,b) _stati64 (a,b) |
|
|
1737 | # endif |
|
|
1738 | |
|
|
1739 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1740 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1741 | |
|
|
1742 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1743 | |
|
|
1744 | #if EV_USE_INOTIFY |
|
|
1745 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1746 | |
|
|
1747 | static void noinline |
|
|
1748 | infy_add (EV_P_ ev_stat *w) |
|
|
1749 | { |
|
|
1750 | 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); |
|
|
1751 | |
|
|
1752 | if (w->wd < 0) |
|
|
1753 | { |
|
|
1754 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1755 | |
|
|
1756 | /* monitor some parent directory for speedup hints */ |
|
|
1757 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1758 | { |
|
|
1759 | char path [4096]; |
|
|
1760 | strcpy (path, w->path); |
|
|
1761 | |
|
|
1762 | do |
|
|
1763 | { |
|
|
1764 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1765 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1766 | |
|
|
1767 | char *pend = strrchr (path, '/'); |
|
|
1768 | |
|
|
1769 | if (!pend) |
|
|
1770 | break; /* whoops, no '/', complain to your admin */ |
|
|
1771 | |
|
|
1772 | *pend = 0; |
|
|
1773 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1774 | } |
|
|
1775 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1776 | } |
|
|
1777 | } |
|
|
1778 | else |
|
|
1779 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1780 | |
|
|
1781 | if (w->wd >= 0) |
|
|
1782 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1783 | } |
|
|
1784 | |
|
|
1785 | static void noinline |
|
|
1786 | infy_del (EV_P_ ev_stat *w) |
|
|
1787 | { |
|
|
1788 | int slot; |
|
|
1789 | int wd = w->wd; |
|
|
1790 | |
|
|
1791 | if (wd < 0) |
|
|
1792 | return; |
|
|
1793 | |
|
|
1794 | w->wd = -2; |
|
|
1795 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1796 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1797 | |
|
|
1798 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1799 | inotify_rm_watch (fs_fd, wd); |
|
|
1800 | } |
|
|
1801 | |
|
|
1802 | static void noinline |
|
|
1803 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1804 | { |
|
|
1805 | if (slot < 0) |
|
|
1806 | /* overflow, need to check for all hahs slots */ |
|
|
1807 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1808 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1809 | else |
|
|
1810 | { |
|
|
1811 | WL w_; |
|
|
1812 | |
|
|
1813 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1814 | { |
|
|
1815 | ev_stat *w = (ev_stat *)w_; |
|
|
1816 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1817 | |
|
|
1818 | if (w->wd == wd || wd == -1) |
|
|
1819 | { |
|
|
1820 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1821 | { |
|
|
1822 | w->wd = -1; |
|
|
1823 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1824 | } |
|
|
1825 | |
|
|
1826 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1827 | } |
|
|
1828 | } |
|
|
1829 | } |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | static void |
|
|
1833 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1834 | { |
|
|
1835 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1836 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1837 | int ofs; |
|
|
1838 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1839 | |
|
|
1840 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1841 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1842 | } |
|
|
1843 | |
|
|
1844 | void inline_size |
|
|
1845 | infy_init (EV_P) |
|
|
1846 | { |
|
|
1847 | if (fs_fd != -2) |
|
|
1848 | return; |
|
|
1849 | |
|
|
1850 | fs_fd = inotify_init (); |
|
|
1851 | |
|
|
1852 | if (fs_fd >= 0) |
|
|
1853 | { |
|
|
1854 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1855 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1856 | ev_io_start (EV_A_ &fs_w); |
|
|
1857 | } |
|
|
1858 | } |
|
|
1859 | |
|
|
1860 | void inline_size |
|
|
1861 | infy_fork (EV_P) |
|
|
1862 | { |
|
|
1863 | int slot; |
|
|
1864 | |
|
|
1865 | if (fs_fd < 0) |
|
|
1866 | return; |
|
|
1867 | |
|
|
1868 | close (fs_fd); |
|
|
1869 | fs_fd = inotify_init (); |
|
|
1870 | |
|
|
1871 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1872 | { |
|
|
1873 | WL w_ = fs_hash [slot].head; |
|
|
1874 | fs_hash [slot].head = 0; |
|
|
1875 | |
|
|
1876 | while (w_) |
|
|
1877 | { |
|
|
1878 | ev_stat *w = (ev_stat *)w_; |
|
|
1879 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1880 | |
|
|
1881 | w->wd = -1; |
|
|
1882 | |
|
|
1883 | if (fs_fd >= 0) |
|
|
1884 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1885 | else |
|
|
1886 | ev_timer_start (EV_A_ &w->timer); |
|
|
1887 | } |
|
|
1888 | |
|
|
1889 | } |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | #endif |
|
|
1893 | |
|
|
1894 | void |
|
|
1895 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1896 | { |
|
|
1897 | if (lstat (w->path, &w->attr) < 0) |
|
|
1898 | w->attr.st_nlink = 0; |
|
|
1899 | else if (!w->attr.st_nlink) |
|
|
1900 | w->attr.st_nlink = 1; |
|
|
1901 | } |
|
|
1902 | |
|
|
1903 | static void noinline |
|
|
1904 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1905 | { |
|
|
1906 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1907 | |
|
|
1908 | /* we copy this here each the time so that */ |
|
|
1909 | /* prev has the old value when the callback gets invoked */ |
|
|
1910 | w->prev = w->attr; |
|
|
1911 | ev_stat_stat (EV_A_ w); |
|
|
1912 | |
|
|
1913 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1914 | if ( |
|
|
1915 | w->prev.st_dev != w->attr.st_dev |
|
|
1916 | || w->prev.st_ino != w->attr.st_ino |
|
|
1917 | || w->prev.st_mode != w->attr.st_mode |
|
|
1918 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1919 | || w->prev.st_uid != w->attr.st_uid |
|
|
1920 | || w->prev.st_gid != w->attr.st_gid |
|
|
1921 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
1922 | || w->prev.st_size != w->attr.st_size |
|
|
1923 | || w->prev.st_atime != w->attr.st_atime |
|
|
1924 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
1925 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
1926 | ) { |
|
|
1927 | #if EV_USE_INOTIFY |
|
|
1928 | infy_del (EV_A_ w); |
|
|
1929 | infy_add (EV_A_ w); |
|
|
1930 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
1931 | #endif |
|
|
1932 | |
|
|
1933 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1934 | } |
|
|
1935 | } |
|
|
1936 | |
|
|
1937 | void |
|
|
1938 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1939 | { |
|
|
1940 | if (expect_false (ev_is_active (w))) |
|
|
1941 | return; |
|
|
1942 | |
|
|
1943 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1944 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1945 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1946 | |
|
|
1947 | ev_stat_stat (EV_A_ w); |
|
|
1948 | |
|
|
1949 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1950 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1951 | |
|
|
1952 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1953 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1954 | |
|
|
1955 | #if EV_USE_INOTIFY |
|
|
1956 | infy_init (EV_A); |
|
|
1957 | |
|
|
1958 | if (fs_fd >= 0) |
|
|
1959 | infy_add (EV_A_ w); |
|
|
1960 | else |
|
|
1961 | #endif |
|
|
1962 | ev_timer_start (EV_A_ &w->timer); |
|
|
1963 | |
|
|
1964 | ev_start (EV_A_ (W)w, 1); |
|
|
1965 | } |
|
|
1966 | |
|
|
1967 | void |
|
|
1968 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1969 | { |
|
|
1970 | ev_clear_pending (EV_A_ (W)w); |
|
|
1971 | if (expect_false (!ev_is_active (w))) |
|
|
1972 | return; |
|
|
1973 | |
|
|
1974 | #if EV_USE_INOTIFY |
|
|
1975 | infy_del (EV_A_ w); |
|
|
1976 | #endif |
|
|
1977 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1978 | |
|
|
1979 | ev_stop (EV_A_ (W)w); |
|
|
1980 | } |
|
|
1981 | #endif |
|
|
1982 | |
|
|
1983 | void |
|
|
1984 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1985 | { |
|
|
1986 | if (expect_false (ev_is_active (w))) |
|
|
1987 | return; |
|
|
1988 | |
|
|
1989 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1990 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1991 | idles [idlecnt - 1] = w; |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | void |
|
|
1995 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1996 | { |
|
|
1997 | ev_clear_pending (EV_A_ (W)w); |
|
|
1998 | if (expect_false (!ev_is_active (w))) |
|
|
1999 | return; |
|
|
2000 | |
|
|
2001 | { |
|
|
2002 | int active = ((W)w)->active; |
|
|
2003 | idles [active - 1] = idles [--idlecnt]; |
|
|
2004 | ((W)idles [active - 1])->active = active; |
|
|
2005 | } |
|
|
2006 | |
|
|
2007 | ev_stop (EV_A_ (W)w); |
|
|
2008 | } |
|
|
2009 | |
|
|
2010 | void |
|
|
2011 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2012 | { |
|
|
2013 | if (expect_false (ev_is_active (w))) |
|
|
2014 | return; |
|
|
2015 | |
|
|
2016 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2017 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2018 | prepares [preparecnt - 1] = w; |
|
|
2019 | } |
|
|
2020 | |
|
|
2021 | void |
|
|
2022 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2023 | { |
|
|
2024 | ev_clear_pending (EV_A_ (W)w); |
|
|
2025 | if (expect_false (!ev_is_active (w))) |
|
|
2026 | return; |
|
|
2027 | |
|
|
2028 | { |
|
|
2029 | int active = ((W)w)->active; |
|
|
2030 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2031 | ((W)prepares [active - 1])->active = active; |
|
|
2032 | } |
|
|
2033 | |
|
|
2034 | ev_stop (EV_A_ (W)w); |
|
|
2035 | } |
|
|
2036 | |
|
|
2037 | void |
|
|
2038 | ev_check_start (EV_P_ ev_check *w) |
|
|
2039 | { |
|
|
2040 | if (expect_false (ev_is_active (w))) |
|
|
2041 | return; |
|
|
2042 | |
|
|
2043 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2044 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2045 | checks [checkcnt - 1] = w; |
|
|
2046 | } |
|
|
2047 | |
|
|
2048 | void |
|
|
2049 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2050 | { |
|
|
2051 | ev_clear_pending (EV_A_ (W)w); |
|
|
2052 | if (expect_false (!ev_is_active (w))) |
|
|
2053 | return; |
|
|
2054 | |
|
|
2055 | { |
|
|
2056 | int active = ((W)w)->active; |
|
|
2057 | checks [active - 1] = checks [--checkcnt]; |
|
|
2058 | ((W)checks [active - 1])->active = active; |
|
|
2059 | } |
|
|
2060 | |
|
|
2061 | ev_stop (EV_A_ (W)w); |
|
|
2062 | } |
|
|
2063 | |
|
|
2064 | #if EV_EMBED_ENABLE |
|
|
2065 | void noinline |
|
|
2066 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2067 | { |
|
|
2068 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static void |
|
|
2072 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
2073 | { |
|
|
2074 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2075 | |
|
|
2076 | if (ev_cb (w)) |
|
|
2077 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2078 | else |
|
|
2079 | ev_embed_sweep (loop, w); |
|
|
2080 | } |
|
|
2081 | |
|
|
2082 | void |
|
|
2083 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2084 | { |
|
|
2085 | if (expect_false (ev_is_active (w))) |
|
|
2086 | return; |
|
|
2087 | |
|
|
2088 | { |
|
|
2089 | struct ev_loop *loop = w->loop; |
|
|
2090 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2091 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2095 | ev_io_start (EV_A_ &w->io); |
|
|
2096 | |
|
|
2097 | ev_start (EV_A_ (W)w, 1); |
|
|
2098 | } |
|
|
2099 | |
|
|
2100 | void |
|
|
2101 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2102 | { |
|
|
2103 | ev_clear_pending (EV_A_ (W)w); |
|
|
2104 | if (expect_false (!ev_is_active (w))) |
|
|
2105 | return; |
|
|
2106 | |
|
|
2107 | ev_io_stop (EV_A_ &w->io); |
|
|
2108 | |
|
|
2109 | ev_stop (EV_A_ (W)w); |
|
|
2110 | } |
|
|
2111 | #endif |
|
|
2112 | |
|
|
2113 | #if EV_FORK_ENABLE |
|
|
2114 | void |
|
|
2115 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2116 | { |
|
|
2117 | if (expect_false (ev_is_active (w))) |
|
|
2118 | return; |
|
|
2119 | |
|
|
2120 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2121 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2122 | forks [forkcnt - 1] = w; |
|
|
2123 | } |
|
|
2124 | |
|
|
2125 | void |
|
|
2126 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2127 | { |
|
|
2128 | ev_clear_pending (EV_A_ (W)w); |
|
|
2129 | if (expect_false (!ev_is_active (w))) |
|
|
2130 | return; |
|
|
2131 | |
|
|
2132 | { |
|
|
2133 | int active = ((W)w)->active; |
|
|
2134 | forks [active - 1] = forks [--forkcnt]; |
|
|
2135 | ((W)forks [active - 1])->active = active; |
|
|
2136 | } |
|
|
2137 | |
|
|
2138 | ev_stop (EV_A_ (W)w); |
|
|
2139 | } |
|
|
2140 | #endif |
|
|
2141 | |
1578 | /*****************************************************************************/ |
2142 | /*****************************************************************************/ |
1579 | |
2143 | |
1580 | struct ev_once |
2144 | struct ev_once |
1581 | { |
2145 | { |
1582 | struct ev_io io; |
2146 | ev_io io; |
1583 | struct ev_timer to; |
2147 | ev_timer to; |
1584 | void (*cb)(int revents, void *arg); |
2148 | void (*cb)(int revents, void *arg); |
1585 | void *arg; |
2149 | void *arg; |
1586 | }; |
2150 | }; |
1587 | |
2151 | |
1588 | static void |
2152 | static void |
… | |
… | |
1597 | |
2161 | |
1598 | cb (revents, arg); |
2162 | cb (revents, arg); |
1599 | } |
2163 | } |
1600 | |
2164 | |
1601 | static void |
2165 | static void |
1602 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2166 | once_cb_io (EV_P_ ev_io *w, int revents) |
1603 | { |
2167 | { |
1604 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2168 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1605 | } |
2169 | } |
1606 | |
2170 | |
1607 | static void |
2171 | static void |
1608 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2172 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1609 | { |
2173 | { |
1610 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2174 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1611 | } |
2175 | } |
1612 | |
2176 | |
1613 | void |
2177 | void |
1614 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2178 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1615 | { |
2179 | { |
1616 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2180 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1617 | |
2181 | |
1618 | if (!once) |
2182 | if (expect_false (!once)) |
|
|
2183 | { |
1619 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2184 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1620 | else |
2185 | return; |
1621 | { |
2186 | } |
|
|
2187 | |
1622 | once->cb = cb; |
2188 | once->cb = cb; |
1623 | once->arg = arg; |
2189 | once->arg = arg; |
1624 | |
2190 | |
1625 | ev_init (&once->io, once_cb_io); |
2191 | ev_init (&once->io, once_cb_io); |
1626 | if (fd >= 0) |
2192 | if (fd >= 0) |
1627 | { |
2193 | { |
1628 | ev_io_set (&once->io, fd, events); |
2194 | ev_io_set (&once->io, fd, events); |
1629 | ev_io_start (EV_A_ &once->io); |
2195 | ev_io_start (EV_A_ &once->io); |
1630 | } |
2196 | } |
1631 | |
2197 | |
1632 | ev_init (&once->to, once_cb_to); |
2198 | ev_init (&once->to, once_cb_to); |
1633 | if (timeout >= 0.) |
2199 | if (timeout >= 0.) |
1634 | { |
2200 | { |
1635 | ev_timer_set (&once->to, timeout, 0.); |
2201 | ev_timer_set (&once->to, timeout, 0.); |
1636 | ev_timer_start (EV_A_ &once->to); |
2202 | ev_timer_start (EV_A_ &once->to); |
1637 | } |
|
|
1638 | } |
2203 | } |
1639 | } |
2204 | } |
1640 | |
2205 | |
1641 | #ifdef __cplusplus |
2206 | #ifdef __cplusplus |
1642 | } |
2207 | } |