… | |
… | |
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 | #endif |
153 | #endif |
101 | |
154 | |
102 | #ifndef EV_USE_POLL |
155 | #ifndef EV_USE_POLL |
103 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
156 | # ifdef _WIN32 |
|
|
157 | # define EV_USE_POLL 0 |
|
|
158 | # else |
|
|
159 | # define EV_USE_POLL 1 |
|
|
160 | # endif |
104 | #endif |
161 | #endif |
105 | |
162 | |
106 | #ifndef EV_USE_EPOLL |
163 | #ifndef EV_USE_EPOLL |
107 | # define EV_USE_EPOLL 0 |
164 | # define EV_USE_EPOLL 0 |
108 | #endif |
165 | #endif |
109 | |
166 | |
110 | #ifndef EV_USE_KQUEUE |
167 | #ifndef EV_USE_KQUEUE |
111 | # define EV_USE_KQUEUE 0 |
168 | # define EV_USE_KQUEUE 0 |
112 | #endif |
169 | #endif |
113 | |
170 | |
114 | #ifndef EV_USE_REALTIME |
171 | #ifndef EV_USE_PORT |
115 | # 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 |
116 | #endif |
193 | #endif |
117 | |
194 | |
118 | /**/ |
195 | /**/ |
119 | |
196 | |
120 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
129 | |
206 | |
130 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
131 | # include <winsock.h> |
208 | # include <winsock.h> |
132 | #endif |
209 | #endif |
133 | |
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 | |
134 | /**/ |
219 | /**/ |
135 | |
220 | |
|
|
221 | /* |
|
|
222 | * This is used to avoid floating point rounding problems. |
|
|
223 | * It is added to ev_rt_now when scheduling periodics |
|
|
224 | * to ensure progress, time-wise, even when rounding |
|
|
225 | * errors are against us. |
|
|
226 | * This value is good at least till the year 4000. |
|
|
227 | * Better solutions welcome. |
|
|
228 | */ |
|
|
229 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
|
|
230 | |
136 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
231 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
137 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
232 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
138 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
139 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
140 | |
|
|
141 | #ifdef EV_H |
|
|
142 | # include EV_H |
|
|
143 | #else |
|
|
144 | # include "ev.h" |
|
|
145 | #endif |
|
|
146 | |
234 | |
147 | #if __GNUC__ >= 3 |
235 | #if __GNUC__ >= 3 |
148 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
149 | # define inline inline |
237 | # define noinline __attribute__ ((noinline)) |
150 | #else |
238 | #else |
151 | # define expect(expr,value) (expr) |
239 | # define expect(expr,value) (expr) |
152 | # define inline static |
240 | # define noinline |
|
|
241 | # if __STDC_VERSION__ < 199901L |
|
|
242 | # define inline |
|
|
243 | # endif |
153 | #endif |
244 | #endif |
154 | |
245 | |
155 | #define expect_false(expr) expect ((expr) != 0, 0) |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
156 | #define expect_true(expr) expect ((expr) != 0, 1) |
247 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
248 | #define inline_size static inline |
|
|
249 | |
|
|
250 | #if EV_MINIMAL |
|
|
251 | # define inline_speed static noinline |
|
|
252 | #else |
|
|
253 | # define inline_speed static inline |
|
|
254 | #endif |
157 | |
255 | |
158 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
256 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
159 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
257 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
160 | |
258 | |
161 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
259 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
260 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
162 | |
261 | |
163 | typedef struct ev_watcher *W; |
262 | typedef ev_watcher *W; |
164 | typedef struct ev_watcher_list *WL; |
263 | typedef ev_watcher_list *WL; |
165 | typedef struct ev_watcher_time *WT; |
264 | typedef ev_watcher_time *WT; |
166 | |
265 | |
167 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
266 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
168 | |
267 | |
169 | #ifdef _WIN32 |
268 | #ifdef _WIN32 |
170 | # include "ev_win32.c" |
269 | # include "ev_win32.c" |
… | |
… | |
172 | |
271 | |
173 | /*****************************************************************************/ |
272 | /*****************************************************************************/ |
174 | |
273 | |
175 | static void (*syserr_cb)(const char *msg); |
274 | static void (*syserr_cb)(const char *msg); |
176 | |
275 | |
|
|
276 | void |
177 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
277 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
178 | { |
278 | { |
179 | syserr_cb = cb; |
279 | syserr_cb = cb; |
180 | } |
280 | } |
181 | |
281 | |
182 | static void |
282 | static void noinline |
183 | syserr (const char *msg) |
283 | syserr (const char *msg) |
184 | { |
284 | { |
185 | if (!msg) |
285 | if (!msg) |
186 | msg = "(libev) system error"; |
286 | msg = "(libev) system error"; |
187 | |
287 | |
… | |
… | |
194 | } |
294 | } |
195 | } |
295 | } |
196 | |
296 | |
197 | static void *(*alloc)(void *ptr, long size); |
297 | static void *(*alloc)(void *ptr, long size); |
198 | |
298 | |
|
|
299 | void |
199 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
300 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
200 | { |
301 | { |
201 | alloc = cb; |
302 | alloc = cb; |
202 | } |
303 | } |
203 | |
304 | |
204 | static void * |
305 | inline_speed void * |
205 | ev_realloc (void *ptr, long size) |
306 | ev_realloc (void *ptr, long size) |
206 | { |
307 | { |
207 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
308 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
208 | |
309 | |
209 | if (!ptr && size) |
310 | if (!ptr && size) |
… | |
… | |
233 | typedef struct |
334 | typedef struct |
234 | { |
335 | { |
235 | W w; |
336 | W w; |
236 | int events; |
337 | int events; |
237 | } ANPENDING; |
338 | } ANPENDING; |
|
|
339 | |
|
|
340 | #if EV_USE_INOTIFY |
|
|
341 | typedef struct |
|
|
342 | { |
|
|
343 | WL head; |
|
|
344 | } ANFS; |
|
|
345 | #endif |
238 | |
346 | |
239 | #if EV_MULTIPLICITY |
347 | #if EV_MULTIPLICITY |
240 | |
348 | |
241 | struct ev_loop |
349 | struct ev_loop |
242 | { |
350 | { |
… | |
… | |
246 | #include "ev_vars.h" |
354 | #include "ev_vars.h" |
247 | #undef VAR |
355 | #undef VAR |
248 | }; |
356 | }; |
249 | #include "ev_wrap.h" |
357 | #include "ev_wrap.h" |
250 | |
358 | |
251 | struct ev_loop default_loop_struct; |
359 | static struct ev_loop default_loop_struct; |
252 | static struct ev_loop *default_loop; |
360 | struct ev_loop *ev_default_loop_ptr; |
253 | |
361 | |
254 | #else |
362 | #else |
255 | |
363 | |
256 | ev_tstamp ev_rt_now; |
364 | ev_tstamp ev_rt_now; |
257 | #define VAR(name,decl) static decl; |
365 | #define VAR(name,decl) static decl; |
258 | #include "ev_vars.h" |
366 | #include "ev_vars.h" |
259 | #undef VAR |
367 | #undef VAR |
260 | |
368 | |
261 | static int default_loop; |
369 | static int ev_default_loop_ptr; |
262 | |
370 | |
263 | #endif |
371 | #endif |
264 | |
372 | |
265 | /*****************************************************************************/ |
373 | /*****************************************************************************/ |
266 | |
374 | |
… | |
… | |
276 | gettimeofday (&tv, 0); |
384 | gettimeofday (&tv, 0); |
277 | return tv.tv_sec + tv.tv_usec * 1e-6; |
385 | return tv.tv_sec + tv.tv_usec * 1e-6; |
278 | #endif |
386 | #endif |
279 | } |
387 | } |
280 | |
388 | |
281 | inline ev_tstamp |
389 | ev_tstamp inline_size |
282 | get_clock (void) |
390 | get_clock (void) |
283 | { |
391 | { |
284 | #if EV_USE_MONOTONIC |
392 | #if EV_USE_MONOTONIC |
285 | if (expect_true (have_monotonic)) |
393 | if (expect_true (have_monotonic)) |
286 | { |
394 | { |
… | |
… | |
299 | { |
407 | { |
300 | return ev_rt_now; |
408 | return ev_rt_now; |
301 | } |
409 | } |
302 | #endif |
410 | #endif |
303 | |
411 | |
304 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
412 | int inline_size |
|
|
413 | array_nextsize (int elem, int cur, int cnt) |
|
|
414 | { |
|
|
415 | int ncur = cur + 1; |
|
|
416 | |
|
|
417 | do |
|
|
418 | ncur <<= 1; |
|
|
419 | while (cnt > ncur); |
|
|
420 | |
|
|
421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
422 | if (elem * ncur > 4096) |
|
|
423 | { |
|
|
424 | ncur *= elem; |
|
|
425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
426 | ncur = ncur - sizeof (void *) * 4; |
|
|
427 | ncur /= elem; |
|
|
428 | } |
|
|
429 | |
|
|
430 | return ncur; |
|
|
431 | } |
|
|
432 | |
|
|
433 | static noinline void * |
|
|
434 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
435 | { |
|
|
436 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
437 | return ev_realloc (base, elem * *cur); |
|
|
438 | } |
305 | |
439 | |
306 | #define array_needsize(type,base,cur,cnt,init) \ |
440 | #define array_needsize(type,base,cur,cnt,init) \ |
307 | if (expect_false ((cnt) > cur)) \ |
441 | if (expect_false ((cnt) > (cur))) \ |
308 | { \ |
442 | { \ |
309 | int newcnt = cur; \ |
443 | int ocur_ = (cur); \ |
310 | do \ |
444 | (base) = (type *)array_realloc \ |
311 | { \ |
445 | (sizeof (type), (base), &(cur), (cnt)); \ |
312 | newcnt = array_roundsize (type, newcnt << 1); \ |
446 | init ((base) + (ocur_), (cur) - ocur_); \ |
313 | } \ |
|
|
314 | while ((cnt) > newcnt); \ |
|
|
315 | \ |
|
|
316 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
317 | init (base + cur, newcnt - cur); \ |
|
|
318 | cur = newcnt; \ |
|
|
319 | } |
447 | } |
320 | |
448 | |
|
|
449 | #if 0 |
321 | #define array_slim(type,stem) \ |
450 | #define array_slim(type,stem) \ |
322 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
451 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
323 | { \ |
452 | { \ |
324 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
453 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
325 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
454 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
326 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
455 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
327 | } |
456 | } |
|
|
457 | #endif |
328 | |
458 | |
329 | #define array_free(stem, idx) \ |
459 | #define array_free(stem, idx) \ |
330 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
460 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
331 | |
461 | |
332 | /*****************************************************************************/ |
462 | /*****************************************************************************/ |
333 | |
463 | |
334 | static void |
464 | void noinline |
|
|
465 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
466 | { |
|
|
467 | W w_ = (W)w; |
|
|
468 | int pri = ABSPRI (w_); |
|
|
469 | |
|
|
470 | if (expect_false (w_->pending)) |
|
|
471 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
472 | else |
|
|
473 | { |
|
|
474 | w_->pending = ++pendingcnt [pri]; |
|
|
475 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
476 | pendings [pri][w_->pending - 1].w = w_; |
|
|
477 | pendings [pri][w_->pending - 1].events = revents; |
|
|
478 | } |
|
|
479 | } |
|
|
480 | |
|
|
481 | void inline_size |
|
|
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
483 | { |
|
|
484 | int i; |
|
|
485 | |
|
|
486 | for (i = 0; i < eventcnt; ++i) |
|
|
487 | ev_feed_event (EV_A_ events [i], type); |
|
|
488 | } |
|
|
489 | |
|
|
490 | /*****************************************************************************/ |
|
|
491 | |
|
|
492 | void inline_size |
335 | anfds_init (ANFD *base, int count) |
493 | anfds_init (ANFD *base, int count) |
336 | { |
494 | { |
337 | while (count--) |
495 | while (count--) |
338 | { |
496 | { |
339 | base->head = 0; |
497 | base->head = 0; |
… | |
… | |
342 | |
500 | |
343 | ++base; |
501 | ++base; |
344 | } |
502 | } |
345 | } |
503 | } |
346 | |
504 | |
347 | void |
505 | void inline_speed |
348 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
349 | { |
|
|
350 | W w_ = (W)w; |
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|
351 | |
|
|
352 | if (w_->pending) |
|
|
353 | { |
|
|
354 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
355 | return; |
|
|
356 | } |
|
|
357 | |
|
|
358 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
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359 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
|
|
360 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
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361 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
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362 | } |
|
|
363 | |
|
|
364 | static void |
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|
365 | queue_events (EV_P_ W *events, int eventcnt, int type) |
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|
366 | { |
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|
367 | int i; |
|
|
368 | |
|
|
369 | for (i = 0; i < eventcnt; ++i) |
|
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370 | ev_feed_event (EV_A_ events [i], type); |
|
|
371 | } |
|
|
372 | |
|
|
373 | inline void |
|
|
374 | fd_event (EV_P_ int fd, int revents) |
506 | fd_event (EV_P_ int fd, int revents) |
375 | { |
507 | { |
376 | ANFD *anfd = anfds + fd; |
508 | ANFD *anfd = anfds + fd; |
377 | struct ev_io *w; |
509 | ev_io *w; |
378 | |
510 | |
379 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
511 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
380 | { |
512 | { |
381 | int ev = w->events & revents; |
513 | int ev = w->events & revents; |
382 | |
514 | |
383 | if (ev) |
515 | if (ev) |
384 | ev_feed_event (EV_A_ (W)w, ev); |
516 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
386 | } |
518 | } |
387 | |
519 | |
388 | void |
520 | void |
389 | ev_feed_fd_event (EV_P_ int fd, int revents) |
521 | ev_feed_fd_event (EV_P_ int fd, int revents) |
390 | { |
522 | { |
|
|
523 | if (fd >= 0 && fd < anfdmax) |
391 | fd_event (EV_A_ fd, revents); |
524 | fd_event (EV_A_ fd, revents); |
392 | } |
525 | } |
393 | |
526 | |
394 | /*****************************************************************************/ |
527 | void inline_size |
395 | |
|
|
396 | static void |
|
|
397 | fd_reify (EV_P) |
528 | fd_reify (EV_P) |
398 | { |
529 | { |
399 | int i; |
530 | int i; |
400 | |
531 | |
401 | for (i = 0; i < fdchangecnt; ++i) |
532 | for (i = 0; i < fdchangecnt; ++i) |
402 | { |
533 | { |
403 | int fd = fdchanges [i]; |
534 | int fd = fdchanges [i]; |
404 | ANFD *anfd = anfds + fd; |
535 | ANFD *anfd = anfds + fd; |
405 | struct ev_io *w; |
536 | ev_io *w; |
406 | |
537 | |
407 | int events = 0; |
538 | int events = 0; |
408 | |
539 | |
409 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
540 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
410 | events |= w->events; |
541 | events |= w->events; |
411 | |
542 | |
412 | #if EV_SELECT_IS_WINSOCKET |
543 | #if EV_SELECT_IS_WINSOCKET |
413 | if (events) |
544 | if (events) |
414 | { |
545 | { |
… | |
… | |
418 | } |
549 | } |
419 | #endif |
550 | #endif |
420 | |
551 | |
421 | anfd->reify = 0; |
552 | anfd->reify = 0; |
422 | |
553 | |
423 | method_modify (EV_A_ fd, anfd->events, events); |
554 | backend_modify (EV_A_ fd, anfd->events, events); |
424 | anfd->events = events; |
555 | anfd->events = events; |
425 | } |
556 | } |
426 | |
557 | |
427 | fdchangecnt = 0; |
558 | fdchangecnt = 0; |
428 | } |
559 | } |
429 | |
560 | |
430 | static void |
561 | void inline_size |
431 | fd_change (EV_P_ int fd) |
562 | fd_change (EV_P_ int fd) |
432 | { |
563 | { |
433 | if (anfds [fd].reify) |
564 | if (expect_false (anfds [fd].reify)) |
434 | return; |
565 | return; |
435 | |
566 | |
436 | anfds [fd].reify = 1; |
567 | anfds [fd].reify = 1; |
437 | |
568 | |
438 | ++fdchangecnt; |
569 | ++fdchangecnt; |
439 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
570 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
440 | fdchanges [fdchangecnt - 1] = fd; |
571 | fdchanges [fdchangecnt - 1] = fd; |
441 | } |
572 | } |
442 | |
573 | |
443 | static void |
574 | void inline_speed |
444 | fd_kill (EV_P_ int fd) |
575 | fd_kill (EV_P_ int fd) |
445 | { |
576 | { |
446 | struct ev_io *w; |
577 | ev_io *w; |
447 | |
578 | |
448 | while ((w = (struct ev_io *)anfds [fd].head)) |
579 | while ((w = (ev_io *)anfds [fd].head)) |
449 | { |
580 | { |
450 | ev_io_stop (EV_A_ w); |
581 | ev_io_stop (EV_A_ w); |
451 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
582 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
452 | } |
583 | } |
453 | } |
584 | } |
454 | |
585 | |
455 | static int |
586 | int inline_size |
456 | fd_valid (int fd) |
587 | fd_valid (int fd) |
457 | { |
588 | { |
458 | #ifdef _WIN32 |
589 | #ifdef _WIN32 |
459 | return _get_osfhandle (fd) != -1; |
590 | return _get_osfhandle (fd) != -1; |
460 | #else |
591 | #else |
461 | return fcntl (fd, F_GETFD) != -1; |
592 | return fcntl (fd, F_GETFD) != -1; |
462 | #endif |
593 | #endif |
463 | } |
594 | } |
464 | |
595 | |
465 | /* called on EBADF to verify fds */ |
596 | /* called on EBADF to verify fds */ |
466 | static void |
597 | static void noinline |
467 | fd_ebadf (EV_P) |
598 | fd_ebadf (EV_P) |
468 | { |
599 | { |
469 | int fd; |
600 | int fd; |
470 | |
601 | |
471 | for (fd = 0; fd < anfdmax; ++fd) |
602 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
473 | if (!fd_valid (fd) == -1 && errno == EBADF) |
604 | if (!fd_valid (fd) == -1 && errno == EBADF) |
474 | fd_kill (EV_A_ fd); |
605 | fd_kill (EV_A_ fd); |
475 | } |
606 | } |
476 | |
607 | |
477 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
608 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
478 | static void |
609 | static void noinline |
479 | fd_enomem (EV_P) |
610 | fd_enomem (EV_P) |
480 | { |
611 | { |
481 | int fd; |
612 | int fd; |
482 | |
613 | |
483 | for (fd = anfdmax; fd--; ) |
614 | for (fd = anfdmax; fd--; ) |
… | |
… | |
486 | fd_kill (EV_A_ fd); |
617 | fd_kill (EV_A_ fd); |
487 | return; |
618 | return; |
488 | } |
619 | } |
489 | } |
620 | } |
490 | |
621 | |
491 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
622 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
492 | static void |
623 | static void noinline |
493 | fd_rearm_all (EV_P) |
624 | fd_rearm_all (EV_P) |
494 | { |
625 | { |
495 | int fd; |
626 | int fd; |
496 | |
627 | |
497 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
498 | for (fd = 0; fd < anfdmax; ++fd) |
628 | for (fd = 0; fd < anfdmax; ++fd) |
499 | if (anfds [fd].events) |
629 | if (anfds [fd].events) |
500 | { |
630 | { |
501 | anfds [fd].events = 0; |
631 | anfds [fd].events = 0; |
502 | fd_change (EV_A_ fd); |
632 | fd_change (EV_A_ fd); |
503 | } |
633 | } |
504 | } |
634 | } |
505 | |
635 | |
506 | /*****************************************************************************/ |
636 | /*****************************************************************************/ |
507 | |
637 | |
508 | static void |
638 | void inline_speed |
509 | upheap (WT *heap, int k) |
639 | upheap (WT *heap, int k) |
510 | { |
640 | { |
511 | WT w = heap [k]; |
641 | WT w = heap [k]; |
512 | |
642 | |
513 | while (k && heap [k >> 1]->at > w->at) |
643 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
520 | heap [k] = w; |
650 | heap [k] = w; |
521 | ((W)heap [k])->active = k + 1; |
651 | ((W)heap [k])->active = k + 1; |
522 | |
652 | |
523 | } |
653 | } |
524 | |
654 | |
525 | static void |
655 | void inline_speed |
526 | downheap (WT *heap, int N, int k) |
656 | downheap (WT *heap, int N, int k) |
527 | { |
657 | { |
528 | WT w = heap [k]; |
658 | WT w = heap [k]; |
529 | |
659 | |
530 | while (k < (N >> 1)) |
660 | while (k < (N >> 1)) |
… | |
… | |
544 | |
674 | |
545 | heap [k] = w; |
675 | heap [k] = w; |
546 | ((W)heap [k])->active = k + 1; |
676 | ((W)heap [k])->active = k + 1; |
547 | } |
677 | } |
548 | |
678 | |
549 | inline void |
679 | void inline_size |
550 | adjustheap (WT *heap, int N, int k) |
680 | adjustheap (WT *heap, int N, int k) |
551 | { |
681 | { |
552 | upheap (heap, k); |
682 | upheap (heap, k); |
553 | downheap (heap, N, k); |
683 | downheap (heap, N, k); |
554 | } |
684 | } |
… | |
… | |
564 | static ANSIG *signals; |
694 | static ANSIG *signals; |
565 | static int signalmax; |
695 | static int signalmax; |
566 | |
696 | |
567 | static int sigpipe [2]; |
697 | static int sigpipe [2]; |
568 | static sig_atomic_t volatile gotsig; |
698 | static sig_atomic_t volatile gotsig; |
569 | static struct ev_io sigev; |
699 | static ev_io sigev; |
570 | |
700 | |
571 | static void |
701 | void inline_size |
572 | signals_init (ANSIG *base, int count) |
702 | signals_init (ANSIG *base, int count) |
573 | { |
703 | { |
574 | while (count--) |
704 | while (count--) |
575 | { |
705 | { |
576 | base->head = 0; |
706 | base->head = 0; |
… | |
… | |
596 | write (sigpipe [1], &signum, 1); |
726 | write (sigpipe [1], &signum, 1); |
597 | errno = old_errno; |
727 | errno = old_errno; |
598 | } |
728 | } |
599 | } |
729 | } |
600 | |
730 | |
601 | void |
731 | void noinline |
602 | ev_feed_signal_event (EV_P_ int signum) |
732 | ev_feed_signal_event (EV_P_ int signum) |
603 | { |
733 | { |
604 | WL w; |
734 | WL w; |
605 | |
735 | |
606 | #if EV_MULTIPLICITY |
736 | #if EV_MULTIPLICITY |
607 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
737 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
608 | #endif |
738 | #endif |
609 | |
739 | |
610 | --signum; |
740 | --signum; |
611 | |
741 | |
612 | if (signum < 0 || signum >= signalmax) |
742 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
617 | for (w = signals [signum].head; w; w = w->next) |
747 | for (w = signals [signum].head; w; w = w->next) |
618 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
748 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
619 | } |
749 | } |
620 | |
750 | |
621 | static void |
751 | static void |
622 | sigcb (EV_P_ struct ev_io *iow, int revents) |
752 | sigcb (EV_P_ ev_io *iow, int revents) |
623 | { |
753 | { |
624 | int signum; |
754 | int signum; |
625 | |
755 | |
626 | read (sigpipe [0], &revents, 1); |
756 | read (sigpipe [0], &revents, 1); |
627 | gotsig = 0; |
757 | gotsig = 0; |
… | |
… | |
629 | for (signum = signalmax; signum--; ) |
759 | for (signum = signalmax; signum--; ) |
630 | if (signals [signum].gotsig) |
760 | if (signals [signum].gotsig) |
631 | ev_feed_signal_event (EV_A_ signum + 1); |
761 | ev_feed_signal_event (EV_A_ signum + 1); |
632 | } |
762 | } |
633 | |
763 | |
634 | inline void |
764 | void inline_speed |
635 | fd_intern (int fd) |
765 | fd_intern (int fd) |
636 | { |
766 | { |
637 | #ifdef _WIN32 |
767 | #ifdef _WIN32 |
638 | int arg = 1; |
768 | int arg = 1; |
639 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
769 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
641 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
771 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
642 | fcntl (fd, F_SETFL, O_NONBLOCK); |
772 | fcntl (fd, F_SETFL, O_NONBLOCK); |
643 | #endif |
773 | #endif |
644 | } |
774 | } |
645 | |
775 | |
646 | static void |
776 | static void noinline |
647 | siginit (EV_P) |
777 | siginit (EV_P) |
648 | { |
778 | { |
649 | fd_intern (sigpipe [0]); |
779 | fd_intern (sigpipe [0]); |
650 | fd_intern (sigpipe [1]); |
780 | fd_intern (sigpipe [1]); |
651 | |
781 | |
… | |
… | |
654 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
784 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
655 | } |
785 | } |
656 | |
786 | |
657 | /*****************************************************************************/ |
787 | /*****************************************************************************/ |
658 | |
788 | |
659 | static struct ev_child *childs [PID_HASHSIZE]; |
789 | static ev_child *childs [EV_PID_HASHSIZE]; |
660 | |
790 | |
661 | #ifndef _WIN32 |
791 | #ifndef _WIN32 |
662 | |
792 | |
663 | static struct ev_signal childev; |
793 | static ev_signal childev; |
|
|
794 | |
|
|
795 | void inline_speed |
|
|
796 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
797 | { |
|
|
798 | ev_child *w; |
|
|
799 | |
|
|
800 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
801 | if (w->pid == pid || !w->pid) |
|
|
802 | { |
|
|
803 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
804 | w->rpid = pid; |
|
|
805 | w->rstatus = status; |
|
|
806 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
807 | } |
|
|
808 | } |
664 | |
809 | |
665 | #ifndef WCONTINUED |
810 | #ifndef WCONTINUED |
666 | # define WCONTINUED 0 |
811 | # define WCONTINUED 0 |
667 | #endif |
812 | #endif |
668 | |
813 | |
669 | static void |
814 | static void |
670 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
671 | { |
|
|
672 | struct ev_child *w; |
|
|
673 | |
|
|
674 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
675 | if (w->pid == pid || !w->pid) |
|
|
676 | { |
|
|
677 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
678 | w->rpid = pid; |
|
|
679 | w->rstatus = status; |
|
|
680 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
681 | } |
|
|
682 | } |
|
|
683 | |
|
|
684 | static void |
|
|
685 | childcb (EV_P_ struct ev_signal *sw, int revents) |
815 | childcb (EV_P_ ev_signal *sw, int revents) |
686 | { |
816 | { |
687 | int pid, status; |
817 | int pid, status; |
688 | |
818 | |
|
|
819 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
689 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
820 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
690 | { |
821 | if (!WCONTINUED |
|
|
822 | || errno != EINVAL |
|
|
823 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
824 | return; |
|
|
825 | |
691 | /* make sure we are called again until all childs have been reaped */ |
826 | /* make sure we are called again until all childs have been reaped */ |
|
|
827 | /* we need to do it this way so that the callback gets called before we continue */ |
692 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
828 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
693 | |
829 | |
694 | child_reap (EV_A_ sw, pid, pid, status); |
830 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
831 | if (EV_PID_HASHSIZE > 1) |
695 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
832 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
696 | } |
|
|
697 | } |
833 | } |
698 | |
834 | |
699 | #endif |
835 | #endif |
700 | |
836 | |
701 | /*****************************************************************************/ |
837 | /*****************************************************************************/ |
702 | |
838 | |
|
|
839 | #if EV_USE_PORT |
|
|
840 | # include "ev_port.c" |
|
|
841 | #endif |
703 | #if EV_USE_KQUEUE |
842 | #if EV_USE_KQUEUE |
704 | # include "ev_kqueue.c" |
843 | # include "ev_kqueue.c" |
705 | #endif |
844 | #endif |
706 | #if EV_USE_EPOLL |
845 | #if EV_USE_EPOLL |
707 | # include "ev_epoll.c" |
846 | # include "ev_epoll.c" |
… | |
… | |
724 | { |
863 | { |
725 | return EV_VERSION_MINOR; |
864 | return EV_VERSION_MINOR; |
726 | } |
865 | } |
727 | |
866 | |
728 | /* return true if we are running with elevated privileges and should ignore env variables */ |
867 | /* return true if we are running with elevated privileges and should ignore env variables */ |
729 | static int |
868 | int inline_size |
730 | enable_secure (void) |
869 | enable_secure (void) |
731 | { |
870 | { |
732 | #ifdef _WIN32 |
871 | #ifdef _WIN32 |
733 | return 0; |
872 | return 0; |
734 | #else |
873 | #else |
735 | return getuid () != geteuid () |
874 | return getuid () != geteuid () |
736 | || getgid () != getegid (); |
875 | || getgid () != getegid (); |
737 | #endif |
876 | #endif |
738 | } |
877 | } |
739 | |
878 | |
740 | int |
879 | unsigned int |
741 | ev_method (EV_P) |
880 | ev_supported_backends (void) |
742 | { |
881 | { |
743 | return method; |
882 | unsigned int flags = 0; |
744 | } |
|
|
745 | |
883 | |
746 | static void |
884 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
747 | loop_init (EV_P_ int methods) |
885 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
886 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
887 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
888 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
889 | |
|
|
890 | return flags; |
|
|
891 | } |
|
|
892 | |
|
|
893 | unsigned int |
|
|
894 | ev_recommended_backends (void) |
748 | { |
895 | { |
749 | if (!method) |
896 | unsigned int flags = ev_supported_backends (); |
|
|
897 | |
|
|
898 | #ifndef __NetBSD__ |
|
|
899 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
900 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
901 | flags &= ~EVBACKEND_KQUEUE; |
|
|
902 | #endif |
|
|
903 | #ifdef __APPLE__ |
|
|
904 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
905 | flags &= ~EVBACKEND_POLL; |
|
|
906 | #endif |
|
|
907 | |
|
|
908 | return flags; |
|
|
909 | } |
|
|
910 | |
|
|
911 | unsigned int |
|
|
912 | ev_embeddable_backends (void) |
|
|
913 | { |
|
|
914 | return EVBACKEND_EPOLL |
|
|
915 | | EVBACKEND_KQUEUE |
|
|
916 | | EVBACKEND_PORT; |
|
|
917 | } |
|
|
918 | |
|
|
919 | unsigned int |
|
|
920 | ev_backend (EV_P) |
|
|
921 | { |
|
|
922 | return backend; |
|
|
923 | } |
|
|
924 | |
|
|
925 | unsigned int |
|
|
926 | ev_loop_count (EV_P) |
|
|
927 | { |
|
|
928 | return loop_count; |
|
|
929 | } |
|
|
930 | |
|
|
931 | static void noinline |
|
|
932 | loop_init (EV_P_ unsigned int flags) |
|
|
933 | { |
|
|
934 | if (!backend) |
750 | { |
935 | { |
751 | #if EV_USE_MONOTONIC |
936 | #if EV_USE_MONOTONIC |
752 | { |
937 | { |
753 | struct timespec ts; |
938 | struct timespec ts; |
754 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
939 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
759 | ev_rt_now = ev_time (); |
944 | ev_rt_now = ev_time (); |
760 | mn_now = get_clock (); |
945 | mn_now = get_clock (); |
761 | now_floor = mn_now; |
946 | now_floor = mn_now; |
762 | rtmn_diff = ev_rt_now - mn_now; |
947 | rtmn_diff = ev_rt_now - mn_now; |
763 | |
948 | |
764 | if (methods == EVMETHOD_AUTO) |
949 | /* pid check not overridable via env */ |
765 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
950 | #ifndef _WIN32 |
|
|
951 | if (flags & EVFLAG_FORKCHECK) |
|
|
952 | curpid = getpid (); |
|
|
953 | #endif |
|
|
954 | |
|
|
955 | if (!(flags & EVFLAG_NOENV) |
|
|
956 | && !enable_secure () |
|
|
957 | && getenv ("LIBEV_FLAGS")) |
766 | methods = atoi (getenv ("LIBEV_METHODS")); |
958 | flags = atoi (getenv ("LIBEV_FLAGS")); |
767 | else |
|
|
768 | methods = EVMETHOD_ANY; |
|
|
769 | |
959 | |
770 | method = 0; |
960 | if (!(flags & 0x0000ffffUL)) |
|
|
961 | flags |= ev_recommended_backends (); |
|
|
962 | |
|
|
963 | backend = 0; |
|
|
964 | backend_fd = -1; |
|
|
965 | #if EV_USE_INOTIFY |
|
|
966 | fs_fd = -2; |
|
|
967 | #endif |
|
|
968 | |
|
|
969 | #if EV_USE_PORT |
|
|
970 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
971 | #endif |
771 | #if EV_USE_KQUEUE |
972 | #if EV_USE_KQUEUE |
772 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
973 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
773 | #endif |
974 | #endif |
774 | #if EV_USE_EPOLL |
975 | #if EV_USE_EPOLL |
775 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
976 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
776 | #endif |
977 | #endif |
777 | #if EV_USE_POLL |
978 | #if EV_USE_POLL |
778 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
979 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
779 | #endif |
980 | #endif |
780 | #if EV_USE_SELECT |
981 | #if EV_USE_SELECT |
781 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
982 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
782 | #endif |
983 | #endif |
783 | |
984 | |
784 | ev_init (&sigev, sigcb); |
985 | ev_init (&sigev, sigcb); |
785 | ev_set_priority (&sigev, EV_MAXPRI); |
986 | ev_set_priority (&sigev, EV_MAXPRI); |
786 | } |
987 | } |
787 | } |
988 | } |
788 | |
989 | |
789 | void |
990 | static void noinline |
790 | loop_destroy (EV_P) |
991 | loop_destroy (EV_P) |
791 | { |
992 | { |
792 | int i; |
993 | int i; |
793 | |
994 | |
|
|
995 | #if EV_USE_INOTIFY |
|
|
996 | if (fs_fd >= 0) |
|
|
997 | close (fs_fd); |
|
|
998 | #endif |
|
|
999 | |
|
|
1000 | if (backend_fd >= 0) |
|
|
1001 | close (backend_fd); |
|
|
1002 | |
|
|
1003 | #if EV_USE_PORT |
|
|
1004 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
1005 | #endif |
794 | #if EV_USE_KQUEUE |
1006 | #if EV_USE_KQUEUE |
795 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
1007 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
796 | #endif |
1008 | #endif |
797 | #if EV_USE_EPOLL |
1009 | #if EV_USE_EPOLL |
798 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
1010 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
799 | #endif |
1011 | #endif |
800 | #if EV_USE_POLL |
1012 | #if EV_USE_POLL |
801 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
1013 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
802 | #endif |
1014 | #endif |
803 | #if EV_USE_SELECT |
1015 | #if EV_USE_SELECT |
804 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
1016 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
805 | #endif |
1017 | #endif |
806 | |
1018 | |
807 | for (i = NUMPRI; i--; ) |
1019 | for (i = NUMPRI; i--; ) |
|
|
1020 | { |
808 | array_free (pending, [i]); |
1021 | array_free (pending, [i]); |
|
|
1022 | #if EV_IDLE_ENABLE |
|
|
1023 | array_free (idle, [i]); |
|
|
1024 | #endif |
|
|
1025 | } |
809 | |
1026 | |
810 | /* have to use the microsoft-never-gets-it-right macro */ |
1027 | /* have to use the microsoft-never-gets-it-right macro */ |
811 | array_free (fdchange, EMPTY); |
1028 | array_free (fdchange, EMPTY); |
812 | array_free (timer, EMPTY); |
1029 | array_free (timer, EMPTY); |
813 | #if EV_PERIODICS |
1030 | #if EV_PERIODIC_ENABLE |
814 | array_free (periodic, EMPTY); |
1031 | array_free (periodic, EMPTY); |
815 | #endif |
1032 | #endif |
816 | array_free (idle, EMPTY); |
|
|
817 | array_free (prepare, EMPTY); |
1033 | array_free (prepare, EMPTY); |
818 | array_free (check, EMPTY); |
1034 | array_free (check, EMPTY); |
819 | |
1035 | |
820 | method = 0; |
1036 | backend = 0; |
821 | } |
1037 | } |
822 | |
1038 | |
823 | static void |
1039 | void inline_size infy_fork (EV_P); |
|
|
1040 | |
|
|
1041 | void inline_size |
824 | loop_fork (EV_P) |
1042 | loop_fork (EV_P) |
825 | { |
1043 | { |
|
|
1044 | #if EV_USE_PORT |
|
|
1045 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
1046 | #endif |
|
|
1047 | #if EV_USE_KQUEUE |
|
|
1048 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
1049 | #endif |
826 | #if EV_USE_EPOLL |
1050 | #if EV_USE_EPOLL |
827 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1051 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
828 | #endif |
1052 | #endif |
829 | #if EV_USE_KQUEUE |
1053 | #if EV_USE_INOTIFY |
830 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1054 | infy_fork (EV_A); |
831 | #endif |
1055 | #endif |
832 | |
1056 | |
833 | if (ev_is_active (&sigev)) |
1057 | if (ev_is_active (&sigev)) |
834 | { |
1058 | { |
835 | /* default loop */ |
1059 | /* default loop */ |
… | |
… | |
848 | postfork = 0; |
1072 | postfork = 0; |
849 | } |
1073 | } |
850 | |
1074 | |
851 | #if EV_MULTIPLICITY |
1075 | #if EV_MULTIPLICITY |
852 | struct ev_loop * |
1076 | struct ev_loop * |
853 | ev_loop_new (int methods) |
1077 | ev_loop_new (unsigned int flags) |
854 | { |
1078 | { |
855 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1079 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
856 | |
1080 | |
857 | memset (loop, 0, sizeof (struct ev_loop)); |
1081 | memset (loop, 0, sizeof (struct ev_loop)); |
858 | |
1082 | |
859 | loop_init (EV_A_ methods); |
1083 | loop_init (EV_A_ flags); |
860 | |
1084 | |
861 | if (ev_method (EV_A)) |
1085 | if (ev_backend (EV_A)) |
862 | return loop; |
1086 | return loop; |
863 | |
1087 | |
864 | return 0; |
1088 | return 0; |
865 | } |
1089 | } |
866 | |
1090 | |
… | |
… | |
879 | |
1103 | |
880 | #endif |
1104 | #endif |
881 | |
1105 | |
882 | #if EV_MULTIPLICITY |
1106 | #if EV_MULTIPLICITY |
883 | struct ev_loop * |
1107 | struct ev_loop * |
|
|
1108 | ev_default_loop_init (unsigned int flags) |
884 | #else |
1109 | #else |
885 | int |
1110 | int |
|
|
1111 | ev_default_loop (unsigned int flags) |
886 | #endif |
1112 | #endif |
887 | ev_default_loop (int methods) |
|
|
888 | { |
1113 | { |
889 | if (sigpipe [0] == sigpipe [1]) |
1114 | if (sigpipe [0] == sigpipe [1]) |
890 | if (pipe (sigpipe)) |
1115 | if (pipe (sigpipe)) |
891 | return 0; |
1116 | return 0; |
892 | |
1117 | |
893 | if (!default_loop) |
1118 | if (!ev_default_loop_ptr) |
894 | { |
1119 | { |
895 | #if EV_MULTIPLICITY |
1120 | #if EV_MULTIPLICITY |
896 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1121 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
897 | #else |
1122 | #else |
898 | default_loop = 1; |
1123 | ev_default_loop_ptr = 1; |
899 | #endif |
1124 | #endif |
900 | |
1125 | |
901 | loop_init (EV_A_ methods); |
1126 | loop_init (EV_A_ flags); |
902 | |
1127 | |
903 | if (ev_method (EV_A)) |
1128 | if (ev_backend (EV_A)) |
904 | { |
1129 | { |
905 | siginit (EV_A); |
1130 | siginit (EV_A); |
906 | |
1131 | |
907 | #ifndef _WIN32 |
1132 | #ifndef _WIN32 |
908 | ev_signal_init (&childev, childcb, SIGCHLD); |
1133 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
910 | ev_signal_start (EV_A_ &childev); |
1135 | ev_signal_start (EV_A_ &childev); |
911 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1136 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
912 | #endif |
1137 | #endif |
913 | } |
1138 | } |
914 | else |
1139 | else |
915 | default_loop = 0; |
1140 | ev_default_loop_ptr = 0; |
916 | } |
1141 | } |
917 | |
1142 | |
918 | return default_loop; |
1143 | return ev_default_loop_ptr; |
919 | } |
1144 | } |
920 | |
1145 | |
921 | void |
1146 | void |
922 | ev_default_destroy (void) |
1147 | ev_default_destroy (void) |
923 | { |
1148 | { |
924 | #if EV_MULTIPLICITY |
1149 | #if EV_MULTIPLICITY |
925 | struct ev_loop *loop = default_loop; |
1150 | struct ev_loop *loop = ev_default_loop_ptr; |
926 | #endif |
1151 | #endif |
927 | |
1152 | |
928 | #ifndef _WIN32 |
1153 | #ifndef _WIN32 |
929 | ev_ref (EV_A); /* child watcher */ |
1154 | ev_ref (EV_A); /* child watcher */ |
930 | ev_signal_stop (EV_A_ &childev); |
1155 | ev_signal_stop (EV_A_ &childev); |
… | |
… | |
941 | |
1166 | |
942 | void |
1167 | void |
943 | ev_default_fork (void) |
1168 | ev_default_fork (void) |
944 | { |
1169 | { |
945 | #if EV_MULTIPLICITY |
1170 | #if EV_MULTIPLICITY |
946 | struct ev_loop *loop = default_loop; |
1171 | struct ev_loop *loop = ev_default_loop_ptr; |
947 | #endif |
1172 | #endif |
948 | |
1173 | |
949 | if (method) |
1174 | if (backend) |
950 | postfork = 1; |
1175 | postfork = 1; |
951 | } |
1176 | } |
952 | |
1177 | |
953 | /*****************************************************************************/ |
1178 | /*****************************************************************************/ |
954 | |
1179 | |
955 | static int |
1180 | void |
956 | any_pending (EV_P) |
1181 | ev_invoke (EV_P_ void *w, int revents) |
957 | { |
1182 | { |
958 | int pri; |
1183 | EV_CB_INVOKE ((W)w, revents); |
959 | |
|
|
960 | for (pri = NUMPRI; pri--; ) |
|
|
961 | if (pendingcnt [pri]) |
|
|
962 | return 1; |
|
|
963 | |
|
|
964 | return 0; |
|
|
965 | } |
1184 | } |
966 | |
1185 | |
967 | static void |
1186 | void inline_speed |
968 | call_pending (EV_P) |
1187 | call_pending (EV_P) |
969 | { |
1188 | { |
970 | int pri; |
1189 | int pri; |
971 | |
1190 | |
972 | for (pri = NUMPRI; pri--; ) |
1191 | for (pri = NUMPRI; pri--; ) |
973 | while (pendingcnt [pri]) |
1192 | while (pendingcnt [pri]) |
974 | { |
1193 | { |
975 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1194 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
976 | |
1195 | |
977 | if (p->w) |
1196 | if (expect_true (p->w)) |
978 | { |
1197 | { |
|
|
1198 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1199 | |
979 | p->w->pending = 0; |
1200 | p->w->pending = 0; |
980 | EV_CB_INVOKE (p->w, p->events); |
1201 | EV_CB_INVOKE (p->w, p->events); |
981 | } |
1202 | } |
982 | } |
1203 | } |
983 | } |
1204 | } |
984 | |
1205 | |
985 | static void |
1206 | void inline_size |
986 | timers_reify (EV_P) |
1207 | timers_reify (EV_P) |
987 | { |
1208 | { |
988 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1209 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
989 | { |
1210 | { |
990 | struct ev_timer *w = timers [0]; |
1211 | ev_timer *w = timers [0]; |
991 | |
1212 | |
992 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1213 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
993 | |
1214 | |
994 | /* first reschedule or stop timer */ |
1215 | /* first reschedule or stop timer */ |
995 | if (w->repeat) |
1216 | if (w->repeat) |
996 | { |
1217 | { |
997 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1218 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1007 | |
1228 | |
1008 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1229 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1009 | } |
1230 | } |
1010 | } |
1231 | } |
1011 | |
1232 | |
1012 | #if EV_PERIODICS |
1233 | #if EV_PERIODIC_ENABLE |
1013 | static void |
1234 | void inline_size |
1014 | periodics_reify (EV_P) |
1235 | periodics_reify (EV_P) |
1015 | { |
1236 | { |
1016 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1237 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1017 | { |
1238 | { |
1018 | struct ev_periodic *w = periodics [0]; |
1239 | ev_periodic *w = periodics [0]; |
1019 | |
1240 | |
1020 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1241 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1021 | |
1242 | |
1022 | /* first reschedule or stop timer */ |
1243 | /* first reschedule or stop timer */ |
1023 | if (w->reschedule_cb) |
1244 | if (w->reschedule_cb) |
1024 | { |
1245 | { |
1025 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1246 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1026 | |
|
|
1027 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1247 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1028 | downheap ((WT *)periodics, periodiccnt, 0); |
1248 | downheap ((WT *)periodics, periodiccnt, 0); |
1029 | } |
1249 | } |
1030 | else if (w->interval) |
1250 | else if (w->interval) |
1031 | { |
1251 | { |
1032 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1252 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1253 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1033 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1254 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1034 | downheap ((WT *)periodics, periodiccnt, 0); |
1255 | downheap ((WT *)periodics, periodiccnt, 0); |
1035 | } |
1256 | } |
1036 | else |
1257 | else |
1037 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1258 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1038 | |
1259 | |
1039 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1260 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1040 | } |
1261 | } |
1041 | } |
1262 | } |
1042 | |
1263 | |
1043 | static void |
1264 | static void noinline |
1044 | periodics_reschedule (EV_P) |
1265 | periodics_reschedule (EV_P) |
1045 | { |
1266 | { |
1046 | int i; |
1267 | int i; |
1047 | |
1268 | |
1048 | /* adjust periodics after time jump */ |
1269 | /* adjust periodics after time jump */ |
1049 | for (i = 0; i < periodiccnt; ++i) |
1270 | for (i = 0; i < periodiccnt; ++i) |
1050 | { |
1271 | { |
1051 | struct ev_periodic *w = periodics [i]; |
1272 | ev_periodic *w = periodics [i]; |
1052 | |
1273 | |
1053 | if (w->reschedule_cb) |
1274 | if (w->reschedule_cb) |
1054 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1275 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1055 | else if (w->interval) |
1276 | else if (w->interval) |
1056 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1277 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1057 | } |
1278 | } |
1058 | |
1279 | |
1059 | /* now rebuild the heap */ |
1280 | /* now rebuild the heap */ |
1060 | for (i = periodiccnt >> 1; i--; ) |
1281 | for (i = periodiccnt >> 1; i--; ) |
1061 | downheap ((WT *)periodics, periodiccnt, i); |
1282 | downheap ((WT *)periodics, periodiccnt, i); |
1062 | } |
1283 | } |
1063 | #endif |
1284 | #endif |
1064 | |
1285 | |
1065 | inline int |
1286 | #if EV_IDLE_ENABLE |
1066 | time_update_monotonic (EV_P) |
1287 | void inline_size |
|
|
1288 | idle_reify (EV_P) |
1067 | { |
1289 | { |
|
|
1290 | if (expect_false (idleall)) |
|
|
1291 | { |
|
|
1292 | int pri; |
|
|
1293 | |
|
|
1294 | for (pri = NUMPRI; pri--; ) |
|
|
1295 | { |
|
|
1296 | if (pendingcnt [pri]) |
|
|
1297 | break; |
|
|
1298 | |
|
|
1299 | if (idlecnt [pri]) |
|
|
1300 | { |
|
|
1301 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1302 | break; |
|
|
1303 | } |
|
|
1304 | } |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | #endif |
|
|
1308 | |
|
|
1309 | void inline_speed |
|
|
1310 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1311 | { |
|
|
1312 | int i; |
|
|
1313 | |
|
|
1314 | #if EV_USE_MONOTONIC |
|
|
1315 | if (expect_true (have_monotonic)) |
|
|
1316 | { |
|
|
1317 | ev_tstamp odiff = rtmn_diff; |
|
|
1318 | |
1068 | mn_now = get_clock (); |
1319 | mn_now = get_clock (); |
1069 | |
1320 | |
|
|
1321 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1322 | /* interpolate in the meantime */ |
1070 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1323 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1071 | { |
1324 | { |
1072 | ev_rt_now = rtmn_diff + mn_now; |
1325 | ev_rt_now = rtmn_diff + mn_now; |
1073 | return 0; |
1326 | return; |
1074 | } |
1327 | } |
1075 | else |
1328 | |
1076 | { |
|
|
1077 | now_floor = mn_now; |
1329 | now_floor = mn_now; |
1078 | ev_rt_now = ev_time (); |
1330 | ev_rt_now = ev_time (); |
1079 | return 1; |
|
|
1080 | } |
|
|
1081 | } |
|
|
1082 | |
1331 | |
1083 | static void |
1332 | /* loop a few times, before making important decisions. |
1084 | time_update (EV_P) |
1333 | * on the choice of "4": one iteration isn't enough, |
1085 | { |
1334 | * in case we get preempted during the calls to |
1086 | int i; |
1335 | * ev_time and get_clock. a second call is almost guaranteed |
1087 | |
1336 | * to succeed in that case, though. and looping a few more times |
1088 | #if EV_USE_MONOTONIC |
1337 | * doesn't hurt either as we only do this on time-jumps or |
1089 | if (expect_true (have_monotonic)) |
1338 | * in the unlikely event of having been preempted here. |
1090 | { |
1339 | */ |
1091 | if (time_update_monotonic (EV_A)) |
1340 | for (i = 4; --i; ) |
1092 | { |
1341 | { |
1093 | ev_tstamp odiff = rtmn_diff; |
|
|
1094 | |
|
|
1095 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
1096 | { |
|
|
1097 | rtmn_diff = ev_rt_now - mn_now; |
1342 | rtmn_diff = ev_rt_now - mn_now; |
1098 | |
1343 | |
1099 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1344 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1100 | return; /* all is well */ |
1345 | return; /* all is well */ |
1101 | |
1346 | |
1102 | ev_rt_now = ev_time (); |
1347 | ev_rt_now = ev_time (); |
1103 | mn_now = get_clock (); |
1348 | mn_now = get_clock (); |
1104 | now_floor = mn_now; |
1349 | now_floor = mn_now; |
1105 | } |
1350 | } |
1106 | |
1351 | |
1107 | # if EV_PERIODICS |
1352 | # if EV_PERIODIC_ENABLE |
|
|
1353 | periodics_reschedule (EV_A); |
|
|
1354 | # endif |
|
|
1355 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1356 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1357 | } |
|
|
1358 | else |
|
|
1359 | #endif |
|
|
1360 | { |
|
|
1361 | ev_rt_now = ev_time (); |
|
|
1362 | |
|
|
1363 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
|
|
1364 | { |
|
|
1365 | #if EV_PERIODIC_ENABLE |
1108 | periodics_reschedule (EV_A); |
1366 | periodics_reschedule (EV_A); |
1109 | # endif |
1367 | #endif |
1110 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1111 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1112 | } |
|
|
1113 | } |
|
|
1114 | else |
|
|
1115 | #endif |
|
|
1116 | { |
|
|
1117 | ev_rt_now = ev_time (); |
|
|
1118 | |
|
|
1119 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
|
|
1120 | { |
|
|
1121 | #if EV_PERIODICS |
|
|
1122 | periodics_reschedule (EV_A); |
|
|
1123 | #endif |
|
|
1124 | |
|
|
1125 | /* adjust timers. this is easy, as the offset is the same for all */ |
1368 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1126 | for (i = 0; i < timercnt; ++i) |
1369 | for (i = 0; i < timercnt; ++i) |
1127 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1370 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1128 | } |
1371 | } |
1129 | |
1372 | |
1130 | mn_now = ev_rt_now; |
1373 | mn_now = ev_rt_now; |
… | |
… | |
1146 | static int loop_done; |
1389 | static int loop_done; |
1147 | |
1390 | |
1148 | void |
1391 | void |
1149 | ev_loop (EV_P_ int flags) |
1392 | ev_loop (EV_P_ int flags) |
1150 | { |
1393 | { |
1151 | double block; |
|
|
1152 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1394 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1395 | ? EVUNLOOP_ONE |
|
|
1396 | : EVUNLOOP_CANCEL; |
|
|
1397 | |
|
|
1398 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1153 | |
1399 | |
1154 | do |
1400 | do |
1155 | { |
1401 | { |
|
|
1402 | #ifndef _WIN32 |
|
|
1403 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1404 | if (expect_false (getpid () != curpid)) |
|
|
1405 | { |
|
|
1406 | curpid = getpid (); |
|
|
1407 | postfork = 1; |
|
|
1408 | } |
|
|
1409 | #endif |
|
|
1410 | |
|
|
1411 | #if EV_FORK_ENABLE |
|
|
1412 | /* we might have forked, so queue fork handlers */ |
|
|
1413 | if (expect_false (postfork)) |
|
|
1414 | if (forkcnt) |
|
|
1415 | { |
|
|
1416 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1417 | call_pending (EV_A); |
|
|
1418 | } |
|
|
1419 | #endif |
|
|
1420 | |
1156 | /* queue check watchers (and execute them) */ |
1421 | /* queue prepare watchers (and execute them) */ |
1157 | if (expect_false (preparecnt)) |
1422 | if (expect_false (preparecnt)) |
1158 | { |
1423 | { |
1159 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1424 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1160 | call_pending (EV_A); |
1425 | call_pending (EV_A); |
1161 | } |
1426 | } |
1162 | |
1427 | |
|
|
1428 | if (expect_false (!activecnt)) |
|
|
1429 | break; |
|
|
1430 | |
1163 | /* we might have forked, so reify kernel state if necessary */ |
1431 | /* we might have forked, so reify kernel state if necessary */ |
1164 | if (expect_false (postfork)) |
1432 | if (expect_false (postfork)) |
1165 | loop_fork (EV_A); |
1433 | loop_fork (EV_A); |
1166 | |
1434 | |
1167 | /* update fd-related kernel structures */ |
1435 | /* update fd-related kernel structures */ |
1168 | fd_reify (EV_A); |
1436 | fd_reify (EV_A); |
1169 | |
1437 | |
1170 | /* calculate blocking time */ |
1438 | /* calculate blocking time */ |
|
|
1439 | { |
|
|
1440 | ev_tstamp block; |
1171 | |
1441 | |
1172 | /* we only need this for !monotonic clock or timers, but as we basically |
1442 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1173 | always have timers, we just calculate it always */ |
1443 | block = 0.; /* do not block at all */ |
1174 | #if EV_USE_MONOTONIC |
|
|
1175 | if (expect_true (have_monotonic)) |
|
|
1176 | time_update_monotonic (EV_A); |
|
|
1177 | else |
1444 | else |
1178 | #endif |
|
|
1179 | { |
1445 | { |
1180 | ev_rt_now = ev_time (); |
1446 | /* update time to cancel out callback processing overhead */ |
1181 | mn_now = ev_rt_now; |
1447 | time_update (EV_A_ 1e100); |
1182 | } |
|
|
1183 | |
1448 | |
1184 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1185 | block = 0.; |
|
|
1186 | else |
|
|
1187 | { |
|
|
1188 | block = MAX_BLOCKTIME; |
1449 | block = MAX_BLOCKTIME; |
1189 | |
1450 | |
1190 | if (timercnt) |
1451 | if (timercnt) |
1191 | { |
1452 | { |
1192 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1453 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1193 | if (block > to) block = to; |
1454 | if (block > to) block = to; |
1194 | } |
1455 | } |
1195 | |
1456 | |
1196 | #if EV_PERIODICS |
1457 | #if EV_PERIODIC_ENABLE |
1197 | if (periodiccnt) |
1458 | if (periodiccnt) |
1198 | { |
1459 | { |
1199 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1460 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1200 | if (block > to) block = to; |
1461 | if (block > to) block = to; |
1201 | } |
1462 | } |
1202 | #endif |
1463 | #endif |
1203 | |
1464 | |
1204 | if (block < 0.) block = 0.; |
1465 | if (expect_false (block < 0.)) block = 0.; |
1205 | } |
1466 | } |
1206 | |
1467 | |
|
|
1468 | ++loop_count; |
1207 | method_poll (EV_A_ block); |
1469 | backend_poll (EV_A_ block); |
1208 | |
1470 | |
1209 | /* update ev_rt_now, do magic */ |
1471 | /* update ev_rt_now, do magic */ |
1210 | time_update (EV_A); |
1472 | time_update (EV_A_ block); |
|
|
1473 | } |
1211 | |
1474 | |
1212 | /* queue pending timers and reschedule them */ |
1475 | /* queue pending timers and reschedule them */ |
1213 | timers_reify (EV_A); /* relative timers called last */ |
1476 | timers_reify (EV_A); /* relative timers called last */ |
1214 | #if EV_PERIODICS |
1477 | #if EV_PERIODIC_ENABLE |
1215 | periodics_reify (EV_A); /* absolute timers called first */ |
1478 | periodics_reify (EV_A); /* absolute timers called first */ |
1216 | #endif |
1479 | #endif |
1217 | |
1480 | |
|
|
1481 | #if EV_IDLE_ENABLE |
1218 | /* queue idle watchers unless io or timers are pending */ |
1482 | /* queue idle watchers unless other events are pending */ |
1219 | if (idlecnt && !any_pending (EV_A)) |
1483 | idle_reify (EV_A); |
1220 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1484 | #endif |
1221 | |
1485 | |
1222 | /* queue check watchers, to be executed first */ |
1486 | /* queue check watchers, to be executed first */ |
1223 | if (checkcnt) |
1487 | if (expect_false (checkcnt)) |
1224 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1488 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1225 | |
1489 | |
1226 | call_pending (EV_A); |
1490 | call_pending (EV_A); |
|
|
1491 | |
1227 | } |
1492 | } |
1228 | while (activecnt && !loop_done); |
1493 | while (expect_true (activecnt && !loop_done)); |
1229 | |
1494 | |
1230 | if (loop_done != 2) |
1495 | if (loop_done == EVUNLOOP_ONE) |
1231 | loop_done = 0; |
1496 | loop_done = EVUNLOOP_CANCEL; |
1232 | } |
1497 | } |
1233 | |
1498 | |
1234 | void |
1499 | void |
1235 | ev_unloop (EV_P_ int how) |
1500 | ev_unloop (EV_P_ int how) |
1236 | { |
1501 | { |
1237 | loop_done = how; |
1502 | loop_done = how; |
1238 | } |
1503 | } |
1239 | |
1504 | |
1240 | /*****************************************************************************/ |
1505 | /*****************************************************************************/ |
1241 | |
1506 | |
1242 | inline void |
1507 | void inline_size |
1243 | wlist_add (WL *head, WL elem) |
1508 | wlist_add (WL *head, WL elem) |
1244 | { |
1509 | { |
1245 | elem->next = *head; |
1510 | elem->next = *head; |
1246 | *head = elem; |
1511 | *head = elem; |
1247 | } |
1512 | } |
1248 | |
1513 | |
1249 | inline void |
1514 | void inline_size |
1250 | wlist_del (WL *head, WL elem) |
1515 | wlist_del (WL *head, WL elem) |
1251 | { |
1516 | { |
1252 | while (*head) |
1517 | while (*head) |
1253 | { |
1518 | { |
1254 | if (*head == elem) |
1519 | if (*head == elem) |
… | |
… | |
1259 | |
1524 | |
1260 | head = &(*head)->next; |
1525 | head = &(*head)->next; |
1261 | } |
1526 | } |
1262 | } |
1527 | } |
1263 | |
1528 | |
1264 | inline void |
1529 | void inline_speed |
1265 | ev_clear_pending (EV_P_ W w) |
1530 | clear_pending (EV_P_ W w) |
1266 | { |
1531 | { |
1267 | if (w->pending) |
1532 | if (w->pending) |
1268 | { |
1533 | { |
1269 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1534 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1270 | w->pending = 0; |
1535 | w->pending = 0; |
1271 | } |
1536 | } |
1272 | } |
1537 | } |
1273 | |
1538 | |
1274 | inline void |
1539 | int |
|
|
1540 | ev_clear_pending (EV_P_ void *w) |
|
|
1541 | { |
|
|
1542 | W w_ = (W)w; |
|
|
1543 | int pending = w_->pending; |
|
|
1544 | |
|
|
1545 | if (expect_true (pending)) |
|
|
1546 | { |
|
|
1547 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1548 | w_->pending = 0; |
|
|
1549 | p->w = 0; |
|
|
1550 | return p->events; |
|
|
1551 | } |
|
|
1552 | else |
|
|
1553 | return 0; |
|
|
1554 | } |
|
|
1555 | |
|
|
1556 | void inline_size |
|
|
1557 | pri_adjust (EV_P_ W w) |
|
|
1558 | { |
|
|
1559 | int pri = w->priority; |
|
|
1560 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1561 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1562 | w->priority = pri; |
|
|
1563 | } |
|
|
1564 | |
|
|
1565 | void inline_speed |
1275 | ev_start (EV_P_ W w, int active) |
1566 | ev_start (EV_P_ W w, int active) |
1276 | { |
1567 | { |
1277 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1568 | pri_adjust (EV_A_ w); |
1278 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1279 | |
|
|
1280 | w->active = active; |
1569 | w->active = active; |
1281 | ev_ref (EV_A); |
1570 | ev_ref (EV_A); |
1282 | } |
1571 | } |
1283 | |
1572 | |
1284 | inline void |
1573 | void inline_size |
1285 | ev_stop (EV_P_ W w) |
1574 | ev_stop (EV_P_ W w) |
1286 | { |
1575 | { |
1287 | ev_unref (EV_A); |
1576 | ev_unref (EV_A); |
1288 | w->active = 0; |
1577 | w->active = 0; |
1289 | } |
1578 | } |
1290 | |
1579 | |
1291 | /*****************************************************************************/ |
1580 | /*****************************************************************************/ |
1292 | |
1581 | |
1293 | void |
1582 | void noinline |
1294 | ev_io_start (EV_P_ struct ev_io *w) |
1583 | ev_io_start (EV_P_ ev_io *w) |
1295 | { |
1584 | { |
1296 | int fd = w->fd; |
1585 | int fd = w->fd; |
1297 | |
1586 | |
1298 | if (ev_is_active (w)) |
1587 | if (expect_false (ev_is_active (w))) |
1299 | return; |
1588 | return; |
1300 | |
1589 | |
1301 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1590 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1302 | |
1591 | |
1303 | ev_start (EV_A_ (W)w, 1); |
1592 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1305 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1594 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1306 | |
1595 | |
1307 | fd_change (EV_A_ fd); |
1596 | fd_change (EV_A_ fd); |
1308 | } |
1597 | } |
1309 | |
1598 | |
1310 | void |
1599 | void noinline |
1311 | ev_io_stop (EV_P_ struct ev_io *w) |
1600 | ev_io_stop (EV_P_ ev_io *w) |
1312 | { |
1601 | { |
1313 | ev_clear_pending (EV_A_ (W)w); |
1602 | clear_pending (EV_A_ (W)w); |
1314 | if (!ev_is_active (w)) |
1603 | if (expect_false (!ev_is_active (w))) |
1315 | return; |
1604 | return; |
1316 | |
1605 | |
1317 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1606 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1318 | |
1607 | |
1319 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1608 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1320 | ev_stop (EV_A_ (W)w); |
1609 | ev_stop (EV_A_ (W)w); |
1321 | |
1610 | |
1322 | fd_change (EV_A_ w->fd); |
1611 | fd_change (EV_A_ w->fd); |
1323 | } |
1612 | } |
1324 | |
1613 | |
1325 | void |
1614 | void noinline |
1326 | ev_timer_start (EV_P_ struct ev_timer *w) |
1615 | ev_timer_start (EV_P_ ev_timer *w) |
1327 | { |
1616 | { |
1328 | if (ev_is_active (w)) |
1617 | if (expect_false (ev_is_active (w))) |
1329 | return; |
1618 | return; |
1330 | |
1619 | |
1331 | ((WT)w)->at += mn_now; |
1620 | ((WT)w)->at += mn_now; |
1332 | |
1621 | |
1333 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1622 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1334 | |
1623 | |
1335 | ev_start (EV_A_ (W)w, ++timercnt); |
1624 | ev_start (EV_A_ (W)w, ++timercnt); |
1336 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1625 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1337 | timers [timercnt - 1] = w; |
1626 | timers [timercnt - 1] = w; |
1338 | upheap ((WT *)timers, timercnt - 1); |
1627 | upheap ((WT *)timers, timercnt - 1); |
1339 | |
1628 | |
|
|
1629 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1630 | } |
|
|
1631 | |
|
|
1632 | void noinline |
|
|
1633 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1634 | { |
|
|
1635 | clear_pending (EV_A_ (W)w); |
|
|
1636 | if (expect_false (!ev_is_active (w))) |
|
|
1637 | return; |
|
|
1638 | |
1340 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1639 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1341 | } |
|
|
1342 | |
1640 | |
1343 | void |
1641 | { |
1344 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1642 | int active = ((W)w)->active; |
1345 | { |
|
|
1346 | ev_clear_pending (EV_A_ (W)w); |
|
|
1347 | if (!ev_is_active (w)) |
|
|
1348 | return; |
|
|
1349 | |
1643 | |
1350 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1644 | if (expect_true (--active < --timercnt)) |
1351 | |
|
|
1352 | if (((W)w)->active < timercnt--) |
|
|
1353 | { |
1645 | { |
1354 | timers [((W)w)->active - 1] = timers [timercnt]; |
1646 | timers [active] = timers [timercnt]; |
1355 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1647 | adjustheap ((WT *)timers, timercnt, active); |
1356 | } |
1648 | } |
|
|
1649 | } |
1357 | |
1650 | |
1358 | ((WT)w)->at -= mn_now; |
1651 | ((WT)w)->at -= mn_now; |
1359 | |
1652 | |
1360 | ev_stop (EV_A_ (W)w); |
1653 | ev_stop (EV_A_ (W)w); |
1361 | } |
1654 | } |
1362 | |
1655 | |
1363 | void |
1656 | void noinline |
1364 | ev_timer_again (EV_P_ struct ev_timer *w) |
1657 | ev_timer_again (EV_P_ ev_timer *w) |
1365 | { |
1658 | { |
1366 | if (ev_is_active (w)) |
1659 | if (ev_is_active (w)) |
1367 | { |
1660 | { |
1368 | if (w->repeat) |
1661 | if (w->repeat) |
1369 | { |
1662 | { |
… | |
… | |
1372 | } |
1665 | } |
1373 | else |
1666 | else |
1374 | ev_timer_stop (EV_A_ w); |
1667 | ev_timer_stop (EV_A_ w); |
1375 | } |
1668 | } |
1376 | else if (w->repeat) |
1669 | else if (w->repeat) |
|
|
1670 | { |
|
|
1671 | w->at = w->repeat; |
1377 | ev_timer_start (EV_A_ w); |
1672 | ev_timer_start (EV_A_ w); |
|
|
1673 | } |
1378 | } |
1674 | } |
1379 | |
1675 | |
1380 | #if EV_PERIODICS |
1676 | #if EV_PERIODIC_ENABLE |
1381 | void |
1677 | void noinline |
1382 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1678 | ev_periodic_start (EV_P_ ev_periodic *w) |
1383 | { |
1679 | { |
1384 | if (ev_is_active (w)) |
1680 | if (expect_false (ev_is_active (w))) |
1385 | return; |
1681 | return; |
1386 | |
1682 | |
1387 | if (w->reschedule_cb) |
1683 | if (w->reschedule_cb) |
1388 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1684 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1389 | else if (w->interval) |
1685 | else if (w->interval) |
1390 | { |
1686 | { |
1391 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1687 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1392 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1688 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1393 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1689 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1394 | } |
1690 | } |
|
|
1691 | else |
|
|
1692 | ((WT)w)->at = w->offset; |
1395 | |
1693 | |
1396 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1694 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1397 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1695 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1398 | periodics [periodiccnt - 1] = w; |
1696 | periodics [periodiccnt - 1] = w; |
1399 | upheap ((WT *)periodics, periodiccnt - 1); |
1697 | upheap ((WT *)periodics, periodiccnt - 1); |
1400 | |
1698 | |
|
|
1699 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1700 | } |
|
|
1701 | |
|
|
1702 | void noinline |
|
|
1703 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1704 | { |
|
|
1705 | clear_pending (EV_A_ (W)w); |
|
|
1706 | if (expect_false (!ev_is_active (w))) |
|
|
1707 | return; |
|
|
1708 | |
1401 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1709 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1402 | } |
|
|
1403 | |
1710 | |
1404 | void |
1711 | { |
1405 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1712 | int active = ((W)w)->active; |
1406 | { |
|
|
1407 | ev_clear_pending (EV_A_ (W)w); |
|
|
1408 | if (!ev_is_active (w)) |
|
|
1409 | return; |
|
|
1410 | |
1713 | |
1411 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1714 | if (expect_true (--active < --periodiccnt)) |
1412 | |
|
|
1413 | if (((W)w)->active < periodiccnt--) |
|
|
1414 | { |
1715 | { |
1415 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1716 | periodics [active] = periodics [periodiccnt]; |
1416 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1717 | adjustheap ((WT *)periodics, periodiccnt, active); |
1417 | } |
1718 | } |
|
|
1719 | } |
1418 | |
1720 | |
1419 | ev_stop (EV_A_ (W)w); |
1721 | ev_stop (EV_A_ (W)w); |
1420 | } |
1722 | } |
1421 | |
1723 | |
1422 | void |
1724 | void noinline |
1423 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1725 | ev_periodic_again (EV_P_ ev_periodic *w) |
1424 | { |
1726 | { |
1425 | /* TODO: use adjustheap and recalculation */ |
1727 | /* TODO: use adjustheap and recalculation */ |
1426 | ev_periodic_stop (EV_A_ w); |
1728 | ev_periodic_stop (EV_A_ w); |
1427 | ev_periodic_start (EV_A_ w); |
1729 | ev_periodic_start (EV_A_ w); |
1428 | } |
1730 | } |
1429 | #endif |
1731 | #endif |
1430 | |
1732 | |
1431 | void |
|
|
1432 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1433 | { |
|
|
1434 | if (ev_is_active (w)) |
|
|
1435 | return; |
|
|
1436 | |
|
|
1437 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1438 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
|
|
1439 | idles [idlecnt - 1] = w; |
|
|
1440 | } |
|
|
1441 | |
|
|
1442 | void |
|
|
1443 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1444 | { |
|
|
1445 | ev_clear_pending (EV_A_ (W)w); |
|
|
1446 | if (!ev_is_active (w)) |
|
|
1447 | return; |
|
|
1448 | |
|
|
1449 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1450 | ev_stop (EV_A_ (W)w); |
|
|
1451 | } |
|
|
1452 | |
|
|
1453 | void |
|
|
1454 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1455 | { |
|
|
1456 | if (ev_is_active (w)) |
|
|
1457 | return; |
|
|
1458 | |
|
|
1459 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1460 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1461 | prepares [preparecnt - 1] = w; |
|
|
1462 | } |
|
|
1463 | |
|
|
1464 | void |
|
|
1465 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1466 | { |
|
|
1467 | ev_clear_pending (EV_A_ (W)w); |
|
|
1468 | if (!ev_is_active (w)) |
|
|
1469 | return; |
|
|
1470 | |
|
|
1471 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1472 | ev_stop (EV_A_ (W)w); |
|
|
1473 | } |
|
|
1474 | |
|
|
1475 | void |
|
|
1476 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1477 | { |
|
|
1478 | if (ev_is_active (w)) |
|
|
1479 | return; |
|
|
1480 | |
|
|
1481 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1482 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
|
|
1483 | checks [checkcnt - 1] = w; |
|
|
1484 | } |
|
|
1485 | |
|
|
1486 | void |
|
|
1487 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1488 | { |
|
|
1489 | ev_clear_pending (EV_A_ (W)w); |
|
|
1490 | if (!ev_is_active (w)) |
|
|
1491 | return; |
|
|
1492 | |
|
|
1493 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1494 | ev_stop (EV_A_ (W)w); |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | #ifndef SA_RESTART |
1733 | #ifndef SA_RESTART |
1498 | # define SA_RESTART 0 |
1734 | # define SA_RESTART 0 |
1499 | #endif |
1735 | #endif |
1500 | |
1736 | |
1501 | void |
1737 | void noinline |
1502 | ev_signal_start (EV_P_ struct ev_signal *w) |
1738 | ev_signal_start (EV_P_ ev_signal *w) |
1503 | { |
1739 | { |
1504 | #if EV_MULTIPLICITY |
1740 | #if EV_MULTIPLICITY |
1505 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1741 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1506 | #endif |
1742 | #endif |
1507 | if (ev_is_active (w)) |
1743 | if (expect_false (ev_is_active (w))) |
1508 | return; |
1744 | return; |
1509 | |
1745 | |
1510 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1746 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1511 | |
1747 | |
1512 | ev_start (EV_A_ (W)w, 1); |
1748 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1525 | sigaction (w->signum, &sa, 0); |
1761 | sigaction (w->signum, &sa, 0); |
1526 | #endif |
1762 | #endif |
1527 | } |
1763 | } |
1528 | } |
1764 | } |
1529 | |
1765 | |
1530 | void |
1766 | void noinline |
1531 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1767 | ev_signal_stop (EV_P_ ev_signal *w) |
1532 | { |
1768 | { |
1533 | ev_clear_pending (EV_A_ (W)w); |
1769 | clear_pending (EV_A_ (W)w); |
1534 | if (!ev_is_active (w)) |
1770 | if (expect_false (!ev_is_active (w))) |
1535 | return; |
1771 | return; |
1536 | |
1772 | |
1537 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1773 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1538 | ev_stop (EV_A_ (W)w); |
1774 | ev_stop (EV_A_ (W)w); |
1539 | |
1775 | |
1540 | if (!signals [w->signum - 1].head) |
1776 | if (!signals [w->signum - 1].head) |
1541 | signal (w->signum, SIG_DFL); |
1777 | signal (w->signum, SIG_DFL); |
1542 | } |
1778 | } |
1543 | |
1779 | |
1544 | void |
1780 | void |
1545 | ev_child_start (EV_P_ struct ev_child *w) |
1781 | ev_child_start (EV_P_ ev_child *w) |
1546 | { |
1782 | { |
1547 | #if EV_MULTIPLICITY |
1783 | #if EV_MULTIPLICITY |
1548 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1784 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1549 | #endif |
1785 | #endif |
1550 | if (ev_is_active (w)) |
1786 | if (expect_false (ev_is_active (w))) |
1551 | return; |
1787 | return; |
1552 | |
1788 | |
1553 | ev_start (EV_A_ (W)w, 1); |
1789 | ev_start (EV_A_ (W)w, 1); |
1554 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1790 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1555 | } |
1791 | } |
1556 | |
1792 | |
1557 | void |
1793 | void |
1558 | ev_child_stop (EV_P_ struct ev_child *w) |
1794 | ev_child_stop (EV_P_ ev_child *w) |
1559 | { |
1795 | { |
1560 | ev_clear_pending (EV_A_ (W)w); |
1796 | clear_pending (EV_A_ (W)w); |
1561 | if (!ev_is_active (w)) |
1797 | if (expect_false (!ev_is_active (w))) |
1562 | return; |
1798 | return; |
1563 | |
1799 | |
1564 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1800 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1565 | ev_stop (EV_A_ (W)w); |
1801 | ev_stop (EV_A_ (W)w); |
1566 | } |
1802 | } |
1567 | |
1803 | |
|
|
1804 | #if EV_STAT_ENABLE |
|
|
1805 | |
|
|
1806 | # ifdef _WIN32 |
|
|
1807 | # undef lstat |
|
|
1808 | # define lstat(a,b) _stati64 (a,b) |
|
|
1809 | # endif |
|
|
1810 | |
|
|
1811 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1812 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1813 | |
|
|
1814 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1815 | |
|
|
1816 | #if EV_USE_INOTIFY |
|
|
1817 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1818 | |
|
|
1819 | static void noinline |
|
|
1820 | infy_add (EV_P_ ev_stat *w) |
|
|
1821 | { |
|
|
1822 | 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); |
|
|
1823 | |
|
|
1824 | if (w->wd < 0) |
|
|
1825 | { |
|
|
1826 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1827 | |
|
|
1828 | /* monitor some parent directory for speedup hints */ |
|
|
1829 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1830 | { |
|
|
1831 | char path [4096]; |
|
|
1832 | strcpy (path, w->path); |
|
|
1833 | |
|
|
1834 | do |
|
|
1835 | { |
|
|
1836 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1837 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1838 | |
|
|
1839 | char *pend = strrchr (path, '/'); |
|
|
1840 | |
|
|
1841 | if (!pend) |
|
|
1842 | break; /* whoops, no '/', complain to your admin */ |
|
|
1843 | |
|
|
1844 | *pend = 0; |
|
|
1845 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1846 | } |
|
|
1847 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1848 | } |
|
|
1849 | } |
|
|
1850 | else |
|
|
1851 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1852 | |
|
|
1853 | if (w->wd >= 0) |
|
|
1854 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | static void noinline |
|
|
1858 | infy_del (EV_P_ ev_stat *w) |
|
|
1859 | { |
|
|
1860 | int slot; |
|
|
1861 | int wd = w->wd; |
|
|
1862 | |
|
|
1863 | if (wd < 0) |
|
|
1864 | return; |
|
|
1865 | |
|
|
1866 | w->wd = -2; |
|
|
1867 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1868 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1869 | |
|
|
1870 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1871 | inotify_rm_watch (fs_fd, wd); |
|
|
1872 | } |
|
|
1873 | |
|
|
1874 | static void noinline |
|
|
1875 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1876 | { |
|
|
1877 | if (slot < 0) |
|
|
1878 | /* overflow, need to check for all hahs slots */ |
|
|
1879 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1880 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1881 | else |
|
|
1882 | { |
|
|
1883 | WL w_; |
|
|
1884 | |
|
|
1885 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1886 | { |
|
|
1887 | ev_stat *w = (ev_stat *)w_; |
|
|
1888 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1889 | |
|
|
1890 | if (w->wd == wd || wd == -1) |
|
|
1891 | { |
|
|
1892 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1893 | { |
|
|
1894 | w->wd = -1; |
|
|
1895 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1896 | } |
|
|
1897 | |
|
|
1898 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1899 | } |
|
|
1900 | } |
|
|
1901 | } |
|
|
1902 | } |
|
|
1903 | |
|
|
1904 | static void |
|
|
1905 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1906 | { |
|
|
1907 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1908 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1909 | int ofs; |
|
|
1910 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1911 | |
|
|
1912 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1913 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1914 | } |
|
|
1915 | |
|
|
1916 | void inline_size |
|
|
1917 | infy_init (EV_P) |
|
|
1918 | { |
|
|
1919 | if (fs_fd != -2) |
|
|
1920 | return; |
|
|
1921 | |
|
|
1922 | fs_fd = inotify_init (); |
|
|
1923 | |
|
|
1924 | if (fs_fd >= 0) |
|
|
1925 | { |
|
|
1926 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1927 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1928 | ev_io_start (EV_A_ &fs_w); |
|
|
1929 | } |
|
|
1930 | } |
|
|
1931 | |
|
|
1932 | void inline_size |
|
|
1933 | infy_fork (EV_P) |
|
|
1934 | { |
|
|
1935 | int slot; |
|
|
1936 | |
|
|
1937 | if (fs_fd < 0) |
|
|
1938 | return; |
|
|
1939 | |
|
|
1940 | close (fs_fd); |
|
|
1941 | fs_fd = inotify_init (); |
|
|
1942 | |
|
|
1943 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1944 | { |
|
|
1945 | WL w_ = fs_hash [slot].head; |
|
|
1946 | fs_hash [slot].head = 0; |
|
|
1947 | |
|
|
1948 | while (w_) |
|
|
1949 | { |
|
|
1950 | ev_stat *w = (ev_stat *)w_; |
|
|
1951 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1952 | |
|
|
1953 | w->wd = -1; |
|
|
1954 | |
|
|
1955 | if (fs_fd >= 0) |
|
|
1956 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1957 | else |
|
|
1958 | ev_timer_start (EV_A_ &w->timer); |
|
|
1959 | } |
|
|
1960 | |
|
|
1961 | } |
|
|
1962 | } |
|
|
1963 | |
|
|
1964 | #endif |
|
|
1965 | |
|
|
1966 | void |
|
|
1967 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1968 | { |
|
|
1969 | if (lstat (w->path, &w->attr) < 0) |
|
|
1970 | w->attr.st_nlink = 0; |
|
|
1971 | else if (!w->attr.st_nlink) |
|
|
1972 | w->attr.st_nlink = 1; |
|
|
1973 | } |
|
|
1974 | |
|
|
1975 | static void noinline |
|
|
1976 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1977 | { |
|
|
1978 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1979 | |
|
|
1980 | /* we copy this here each the time so that */ |
|
|
1981 | /* prev has the old value when the callback gets invoked */ |
|
|
1982 | w->prev = w->attr; |
|
|
1983 | ev_stat_stat (EV_A_ w); |
|
|
1984 | |
|
|
1985 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1986 | if ( |
|
|
1987 | w->prev.st_dev != w->attr.st_dev |
|
|
1988 | || w->prev.st_ino != w->attr.st_ino |
|
|
1989 | || w->prev.st_mode != w->attr.st_mode |
|
|
1990 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1991 | || w->prev.st_uid != w->attr.st_uid |
|
|
1992 | || w->prev.st_gid != w->attr.st_gid |
|
|
1993 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
1994 | || w->prev.st_size != w->attr.st_size |
|
|
1995 | || w->prev.st_atime != w->attr.st_atime |
|
|
1996 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
1997 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
1998 | ) { |
|
|
1999 | #if EV_USE_INOTIFY |
|
|
2000 | infy_del (EV_A_ w); |
|
|
2001 | infy_add (EV_A_ w); |
|
|
2002 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2003 | #endif |
|
|
2004 | |
|
|
2005 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2006 | } |
|
|
2007 | } |
|
|
2008 | |
|
|
2009 | void |
|
|
2010 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2011 | { |
|
|
2012 | if (expect_false (ev_is_active (w))) |
|
|
2013 | return; |
|
|
2014 | |
|
|
2015 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2016 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2017 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2018 | |
|
|
2019 | ev_stat_stat (EV_A_ w); |
|
|
2020 | |
|
|
2021 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2022 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2023 | |
|
|
2024 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2025 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2026 | |
|
|
2027 | #if EV_USE_INOTIFY |
|
|
2028 | infy_init (EV_A); |
|
|
2029 | |
|
|
2030 | if (fs_fd >= 0) |
|
|
2031 | infy_add (EV_A_ w); |
|
|
2032 | else |
|
|
2033 | #endif |
|
|
2034 | ev_timer_start (EV_A_ &w->timer); |
|
|
2035 | |
|
|
2036 | ev_start (EV_A_ (W)w, 1); |
|
|
2037 | } |
|
|
2038 | |
|
|
2039 | void |
|
|
2040 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2041 | { |
|
|
2042 | clear_pending (EV_A_ (W)w); |
|
|
2043 | if (expect_false (!ev_is_active (w))) |
|
|
2044 | return; |
|
|
2045 | |
|
|
2046 | #if EV_USE_INOTIFY |
|
|
2047 | infy_del (EV_A_ w); |
|
|
2048 | #endif |
|
|
2049 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2050 | |
|
|
2051 | ev_stop (EV_A_ (W)w); |
|
|
2052 | } |
|
|
2053 | #endif |
|
|
2054 | |
|
|
2055 | #if EV_IDLE_ENABLE |
|
|
2056 | void |
|
|
2057 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2058 | { |
|
|
2059 | if (expect_false (ev_is_active (w))) |
|
|
2060 | return; |
|
|
2061 | |
|
|
2062 | pri_adjust (EV_A_ (W)w); |
|
|
2063 | |
|
|
2064 | { |
|
|
2065 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2066 | |
|
|
2067 | ++idleall; |
|
|
2068 | ev_start (EV_A_ (W)w, active); |
|
|
2069 | |
|
|
2070 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2071 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2072 | } |
|
|
2073 | } |
|
|
2074 | |
|
|
2075 | void |
|
|
2076 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2077 | { |
|
|
2078 | clear_pending (EV_A_ (W)w); |
|
|
2079 | if (expect_false (!ev_is_active (w))) |
|
|
2080 | return; |
|
|
2081 | |
|
|
2082 | { |
|
|
2083 | int active = ((W)w)->active; |
|
|
2084 | |
|
|
2085 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2086 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2087 | |
|
|
2088 | ev_stop (EV_A_ (W)w); |
|
|
2089 | --idleall; |
|
|
2090 | } |
|
|
2091 | } |
|
|
2092 | #endif |
|
|
2093 | |
|
|
2094 | void |
|
|
2095 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2096 | { |
|
|
2097 | if (expect_false (ev_is_active (w))) |
|
|
2098 | return; |
|
|
2099 | |
|
|
2100 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2101 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2102 | prepares [preparecnt - 1] = w; |
|
|
2103 | } |
|
|
2104 | |
|
|
2105 | void |
|
|
2106 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2107 | { |
|
|
2108 | clear_pending (EV_A_ (W)w); |
|
|
2109 | if (expect_false (!ev_is_active (w))) |
|
|
2110 | return; |
|
|
2111 | |
|
|
2112 | { |
|
|
2113 | int active = ((W)w)->active; |
|
|
2114 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2115 | ((W)prepares [active - 1])->active = active; |
|
|
2116 | } |
|
|
2117 | |
|
|
2118 | ev_stop (EV_A_ (W)w); |
|
|
2119 | } |
|
|
2120 | |
|
|
2121 | void |
|
|
2122 | ev_check_start (EV_P_ ev_check *w) |
|
|
2123 | { |
|
|
2124 | if (expect_false (ev_is_active (w))) |
|
|
2125 | return; |
|
|
2126 | |
|
|
2127 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2128 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2129 | checks [checkcnt - 1] = w; |
|
|
2130 | } |
|
|
2131 | |
|
|
2132 | void |
|
|
2133 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2134 | { |
|
|
2135 | clear_pending (EV_A_ (W)w); |
|
|
2136 | if (expect_false (!ev_is_active (w))) |
|
|
2137 | return; |
|
|
2138 | |
|
|
2139 | { |
|
|
2140 | int active = ((W)w)->active; |
|
|
2141 | checks [active - 1] = checks [--checkcnt]; |
|
|
2142 | ((W)checks [active - 1])->active = active; |
|
|
2143 | } |
|
|
2144 | |
|
|
2145 | ev_stop (EV_A_ (W)w); |
|
|
2146 | } |
|
|
2147 | |
|
|
2148 | #if EV_EMBED_ENABLE |
|
|
2149 | void noinline |
|
|
2150 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2151 | { |
|
|
2152 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
2153 | } |
|
|
2154 | |
|
|
2155 | static void |
|
|
2156 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
2157 | { |
|
|
2158 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2159 | |
|
|
2160 | if (ev_cb (w)) |
|
|
2161 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2162 | else |
|
|
2163 | ev_embed_sweep (loop, w); |
|
|
2164 | } |
|
|
2165 | |
|
|
2166 | void |
|
|
2167 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2168 | { |
|
|
2169 | if (expect_false (ev_is_active (w))) |
|
|
2170 | return; |
|
|
2171 | |
|
|
2172 | { |
|
|
2173 | struct ev_loop *loop = w->loop; |
|
|
2174 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2175 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
2176 | } |
|
|
2177 | |
|
|
2178 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2179 | ev_io_start (EV_A_ &w->io); |
|
|
2180 | |
|
|
2181 | ev_start (EV_A_ (W)w, 1); |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | void |
|
|
2185 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2186 | { |
|
|
2187 | clear_pending (EV_A_ (W)w); |
|
|
2188 | if (expect_false (!ev_is_active (w))) |
|
|
2189 | return; |
|
|
2190 | |
|
|
2191 | ev_io_stop (EV_A_ &w->io); |
|
|
2192 | |
|
|
2193 | ev_stop (EV_A_ (W)w); |
|
|
2194 | } |
|
|
2195 | #endif |
|
|
2196 | |
|
|
2197 | #if EV_FORK_ENABLE |
|
|
2198 | void |
|
|
2199 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2200 | { |
|
|
2201 | if (expect_false (ev_is_active (w))) |
|
|
2202 | return; |
|
|
2203 | |
|
|
2204 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2205 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2206 | forks [forkcnt - 1] = w; |
|
|
2207 | } |
|
|
2208 | |
|
|
2209 | void |
|
|
2210 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2211 | { |
|
|
2212 | clear_pending (EV_A_ (W)w); |
|
|
2213 | if (expect_false (!ev_is_active (w))) |
|
|
2214 | return; |
|
|
2215 | |
|
|
2216 | { |
|
|
2217 | int active = ((W)w)->active; |
|
|
2218 | forks [active - 1] = forks [--forkcnt]; |
|
|
2219 | ((W)forks [active - 1])->active = active; |
|
|
2220 | } |
|
|
2221 | |
|
|
2222 | ev_stop (EV_A_ (W)w); |
|
|
2223 | } |
|
|
2224 | #endif |
|
|
2225 | |
1568 | /*****************************************************************************/ |
2226 | /*****************************************************************************/ |
1569 | |
2227 | |
1570 | struct ev_once |
2228 | struct ev_once |
1571 | { |
2229 | { |
1572 | struct ev_io io; |
2230 | ev_io io; |
1573 | struct ev_timer to; |
2231 | ev_timer to; |
1574 | void (*cb)(int revents, void *arg); |
2232 | void (*cb)(int revents, void *arg); |
1575 | void *arg; |
2233 | void *arg; |
1576 | }; |
2234 | }; |
1577 | |
2235 | |
1578 | static void |
2236 | static void |
… | |
… | |
1587 | |
2245 | |
1588 | cb (revents, arg); |
2246 | cb (revents, arg); |
1589 | } |
2247 | } |
1590 | |
2248 | |
1591 | static void |
2249 | static void |
1592 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2250 | once_cb_io (EV_P_ ev_io *w, int revents) |
1593 | { |
2251 | { |
1594 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2252 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1595 | } |
2253 | } |
1596 | |
2254 | |
1597 | static void |
2255 | static void |
1598 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2256 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1599 | { |
2257 | { |
1600 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2258 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1601 | } |
2259 | } |
1602 | |
2260 | |
1603 | void |
2261 | void |
1604 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2262 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1605 | { |
2263 | { |
1606 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2264 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1607 | |
2265 | |
1608 | if (!once) |
2266 | if (expect_false (!once)) |
|
|
2267 | { |
1609 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2268 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1610 | else |
2269 | return; |
1611 | { |
2270 | } |
|
|
2271 | |
1612 | once->cb = cb; |
2272 | once->cb = cb; |
1613 | once->arg = arg; |
2273 | once->arg = arg; |
1614 | |
2274 | |
1615 | ev_init (&once->io, once_cb_io); |
2275 | ev_init (&once->io, once_cb_io); |
1616 | if (fd >= 0) |
2276 | if (fd >= 0) |
1617 | { |
2277 | { |
1618 | ev_io_set (&once->io, fd, events); |
2278 | ev_io_set (&once->io, fd, events); |
1619 | ev_io_start (EV_A_ &once->io); |
2279 | ev_io_start (EV_A_ &once->io); |
1620 | } |
2280 | } |
1621 | |
2281 | |
1622 | ev_init (&once->to, once_cb_to); |
2282 | ev_init (&once->to, once_cb_to); |
1623 | if (timeout >= 0.) |
2283 | if (timeout >= 0.) |
1624 | { |
2284 | { |
1625 | ev_timer_set (&once->to, timeout, 0.); |
2285 | ev_timer_set (&once->to, timeout, 0.); |
1626 | ev_timer_start (EV_A_ &once->to); |
2286 | ev_timer_start (EV_A_ &once->to); |
1627 | } |
|
|
1628 | } |
2287 | } |
1629 | } |
2288 | } |
1630 | |
2289 | |
1631 | #ifdef __cplusplus |
2290 | #ifdef __cplusplus |
1632 | } |
2291 | } |