… | |
… | |
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_NANOSLEEP |
|
|
60 | # if HAVE_NANOSLEEP |
49 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_NANOSLEEP 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_NANOSLEEP 0 |
|
|
64 | # endif |
50 | # endif |
65 | # endif |
51 | |
66 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_SELECT |
|
|
68 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
53 | # define EV_USE_POLL 1 |
69 | # define EV_USE_SELECT 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_SELECT 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_POLL |
|
|
76 | # if HAVE_POLL && HAVE_POLL_H |
57 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_POLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_POLL 0 |
|
|
80 | # endif |
58 | # endif |
81 | # endif |
59 | |
82 | |
|
|
83 | # ifndef EV_USE_EPOLL |
|
|
84 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
|
|
85 | # define EV_USE_EPOLL 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_EPOLL 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
92 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
93 | # define EV_USE_KQUEUE 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_KQUEUE 0 |
|
|
96 | # endif |
|
|
97 | # endif |
|
|
98 | |
|
|
99 | # ifndef EV_USE_PORT |
|
|
100 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
101 | # define EV_USE_PORT 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_PORT 0 |
|
|
104 | # endif |
|
|
105 | # endif |
|
|
106 | |
|
|
107 | # ifndef EV_USE_INOTIFY |
|
|
108 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
109 | # define EV_USE_INOTIFY 1 |
|
|
110 | # else |
|
|
111 | # define EV_USE_INOTIFY 0 |
|
|
112 | # endif |
62 | # endif |
113 | # endif |
63 | |
114 | |
64 | #endif |
115 | #endif |
65 | |
116 | |
66 | #include <math.h> |
117 | #include <math.h> |
… | |
… | |
75 | #include <sys/types.h> |
126 | #include <sys/types.h> |
76 | #include <time.h> |
127 | #include <time.h> |
77 | |
128 | |
78 | #include <signal.h> |
129 | #include <signal.h> |
79 | |
130 | |
|
|
131 | #ifdef EV_H |
|
|
132 | # include EV_H |
|
|
133 | #else |
|
|
134 | # include "ev.h" |
|
|
135 | #endif |
|
|
136 | |
80 | #ifndef _WIN32 |
137 | #ifndef _WIN32 |
81 | # include <unistd.h> |
|
|
82 | # include <sys/time.h> |
138 | # include <sys/time.h> |
83 | # include <sys/wait.h> |
139 | # include <sys/wait.h> |
|
|
140 | # include <unistd.h> |
84 | #else |
141 | #else |
85 | # define WIN32_LEAN_AND_MEAN |
142 | # define WIN32_LEAN_AND_MEAN |
86 | # include <windows.h> |
143 | # include <windows.h> |
87 | # ifndef EV_SELECT_IS_WINSOCKET |
144 | # ifndef EV_SELECT_IS_WINSOCKET |
88 | # define EV_SELECT_IS_WINSOCKET 1 |
145 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
90 | #endif |
147 | #endif |
91 | |
148 | |
92 | /**/ |
149 | /**/ |
93 | |
150 | |
94 | #ifndef EV_USE_MONOTONIC |
151 | #ifndef EV_USE_MONOTONIC |
95 | # define EV_USE_MONOTONIC 1 |
152 | # define EV_USE_MONOTONIC 0 |
|
|
153 | #endif |
|
|
154 | |
|
|
155 | #ifndef EV_USE_REALTIME |
|
|
156 | # define EV_USE_REALTIME 0 |
|
|
157 | #endif |
|
|
158 | |
|
|
159 | #ifndef EV_USE_NANOSLEEP |
|
|
160 | # define EV_USE_NANOSLEEP 0 |
96 | #endif |
161 | #endif |
97 | |
162 | |
98 | #ifndef EV_USE_SELECT |
163 | #ifndef EV_USE_SELECT |
99 | # define EV_USE_SELECT 1 |
164 | # define EV_USE_SELECT 1 |
100 | # define EV_SELECT_USE_FD_SET 1 |
|
|
101 | #endif |
165 | #endif |
102 | |
166 | |
103 | #ifndef EV_USE_POLL |
167 | #ifndef EV_USE_POLL |
104 | # ifdef _WIN32 |
168 | # ifdef _WIN32 |
105 | # define EV_USE_POLL 0 |
169 | # define EV_USE_POLL 0 |
… | |
… | |
114 | |
178 | |
115 | #ifndef EV_USE_KQUEUE |
179 | #ifndef EV_USE_KQUEUE |
116 | # define EV_USE_KQUEUE 0 |
180 | # define EV_USE_KQUEUE 0 |
117 | #endif |
181 | #endif |
118 | |
182 | |
119 | #ifndef EV_USE_REALTIME |
183 | #ifndef EV_USE_PORT |
120 | # define EV_USE_REALTIME 1 |
184 | # define EV_USE_PORT 0 |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_USE_INOTIFY |
|
|
188 | # define EV_USE_INOTIFY 0 |
|
|
189 | #endif |
|
|
190 | |
|
|
191 | #ifndef EV_PID_HASHSIZE |
|
|
192 | # if EV_MINIMAL |
|
|
193 | # define EV_PID_HASHSIZE 1 |
|
|
194 | # else |
|
|
195 | # define EV_PID_HASHSIZE 16 |
|
|
196 | # endif |
|
|
197 | #endif |
|
|
198 | |
|
|
199 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
200 | # if EV_MINIMAL |
|
|
201 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
202 | # else |
|
|
203 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
204 | # endif |
121 | #endif |
205 | #endif |
122 | |
206 | |
123 | /**/ |
207 | /**/ |
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
|
|
130 | |
208 | |
131 | #ifndef CLOCK_MONOTONIC |
209 | #ifndef CLOCK_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
210 | # undef EV_USE_MONOTONIC |
133 | # define EV_USE_MONOTONIC 0 |
211 | # define EV_USE_MONOTONIC 0 |
134 | #endif |
212 | #endif |
… | |
… | |
136 | #ifndef CLOCK_REALTIME |
214 | #ifndef CLOCK_REALTIME |
137 | # undef EV_USE_REALTIME |
215 | # undef EV_USE_REALTIME |
138 | # define EV_USE_REALTIME 0 |
216 | # define EV_USE_REALTIME 0 |
139 | #endif |
217 | #endif |
140 | |
218 | |
|
|
219 | #if !EV_STAT_ENABLE |
|
|
220 | # undef EV_USE_INOTIFY |
|
|
221 | # define EV_USE_INOTIFY 0 |
|
|
222 | #endif |
|
|
223 | |
|
|
224 | #if !EV_USE_NANOSLEEP |
|
|
225 | # ifndef _WIN32 |
|
|
226 | # include <sys/select.h> |
|
|
227 | # endif |
|
|
228 | #endif |
|
|
229 | |
|
|
230 | #if EV_USE_INOTIFY |
|
|
231 | # include <sys/inotify.h> |
|
|
232 | #endif |
|
|
233 | |
141 | #if EV_SELECT_IS_WINSOCKET |
234 | #if EV_SELECT_IS_WINSOCKET |
142 | # include <winsock.h> |
235 | # include <winsock.h> |
143 | #endif |
236 | #endif |
144 | |
237 | |
145 | /**/ |
238 | /**/ |
146 | |
239 | |
|
|
240 | /* |
|
|
241 | * This is used to avoid floating point rounding problems. |
|
|
242 | * It is added to ev_rt_now when scheduling periodics |
|
|
243 | * to ensure progress, time-wise, even when rounding |
|
|
244 | * errors are against us. |
|
|
245 | * This value is good at least till the year 4000. |
|
|
246 | * Better solutions welcome. |
|
|
247 | */ |
|
|
248 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
|
|
249 | |
147 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
250 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
148 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
251 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
149 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
150 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
252 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
151 | |
253 | |
152 | #ifdef EV_H |
|
|
153 | # include EV_H |
|
|
154 | #else |
|
|
155 | # include "ev.h" |
|
|
156 | #endif |
|
|
157 | |
|
|
158 | #if __GNUC__ >= 3 |
254 | #if __GNUC__ >= 4 |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
255 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
160 | # define inline inline |
256 | # define noinline __attribute__ ((noinline)) |
161 | #else |
257 | #else |
162 | # define expect(expr,value) (expr) |
258 | # define expect(expr,value) (expr) |
163 | # define inline static |
259 | # define noinline |
|
|
260 | # if __STDC_VERSION__ < 199901L |
|
|
261 | # define inline |
|
|
262 | # endif |
164 | #endif |
263 | #endif |
165 | |
264 | |
166 | #define expect_false(expr) expect ((expr) != 0, 0) |
265 | #define expect_false(expr) expect ((expr) != 0, 0) |
167 | #define expect_true(expr) expect ((expr) != 0, 1) |
266 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
267 | #define inline_size static inline |
|
|
268 | |
|
|
269 | #if EV_MINIMAL |
|
|
270 | # define inline_speed static noinline |
|
|
271 | #else |
|
|
272 | # define inline_speed static inline |
|
|
273 | #endif |
168 | |
274 | |
169 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
275 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
276 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
171 | |
277 | |
172 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
278 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
279 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
173 | |
280 | |
174 | typedef struct ev_watcher *W; |
281 | typedef ev_watcher *W; |
175 | typedef struct ev_watcher_list *WL; |
282 | typedef ev_watcher_list *WL; |
176 | typedef struct ev_watcher_time *WT; |
283 | typedef ev_watcher_time *WT; |
177 | |
284 | |
|
|
285 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
286 | /* giving it a reasonably high chance of working on typical architetcures */ |
178 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
287 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
179 | |
288 | |
180 | #ifdef _WIN32 |
289 | #ifdef _WIN32 |
181 | # include "ev_win32.c" |
290 | # include "ev_win32.c" |
182 | #endif |
291 | #endif |
183 | |
292 | |
184 | /*****************************************************************************/ |
293 | /*****************************************************************************/ |
185 | |
294 | |
186 | static void (*syserr_cb)(const char *msg); |
295 | static void (*syserr_cb)(const char *msg); |
187 | |
296 | |
|
|
297 | void |
188 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
298 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
189 | { |
299 | { |
190 | syserr_cb = cb; |
300 | syserr_cb = cb; |
191 | } |
301 | } |
192 | |
302 | |
193 | static void |
303 | static void noinline |
194 | syserr (const char *msg) |
304 | syserr (const char *msg) |
195 | { |
305 | { |
196 | if (!msg) |
306 | if (!msg) |
197 | msg = "(libev) system error"; |
307 | msg = "(libev) system error"; |
198 | |
308 | |
… | |
… | |
205 | } |
315 | } |
206 | } |
316 | } |
207 | |
317 | |
208 | static void *(*alloc)(void *ptr, long size); |
318 | static void *(*alloc)(void *ptr, long size); |
209 | |
319 | |
|
|
320 | void |
210 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
321 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
211 | { |
322 | { |
212 | alloc = cb; |
323 | alloc = cb; |
213 | } |
324 | } |
214 | |
325 | |
215 | static void * |
326 | inline_speed void * |
216 | ev_realloc (void *ptr, long size) |
327 | ev_realloc (void *ptr, long size) |
217 | { |
328 | { |
218 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
329 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
219 | |
330 | |
220 | if (!ptr && size) |
331 | if (!ptr && size) |
… | |
… | |
244 | typedef struct |
355 | typedef struct |
245 | { |
356 | { |
246 | W w; |
357 | W w; |
247 | int events; |
358 | int events; |
248 | } ANPENDING; |
359 | } ANPENDING; |
|
|
360 | |
|
|
361 | #if EV_USE_INOTIFY |
|
|
362 | typedef struct |
|
|
363 | { |
|
|
364 | WL head; |
|
|
365 | } ANFS; |
|
|
366 | #endif |
249 | |
367 | |
250 | #if EV_MULTIPLICITY |
368 | #if EV_MULTIPLICITY |
251 | |
369 | |
252 | struct ev_loop |
370 | struct ev_loop |
253 | { |
371 | { |
… | |
… | |
257 | #include "ev_vars.h" |
375 | #include "ev_vars.h" |
258 | #undef VAR |
376 | #undef VAR |
259 | }; |
377 | }; |
260 | #include "ev_wrap.h" |
378 | #include "ev_wrap.h" |
261 | |
379 | |
262 | struct ev_loop default_loop_struct; |
380 | static struct ev_loop default_loop_struct; |
263 | static struct ev_loop *default_loop; |
381 | struct ev_loop *ev_default_loop_ptr; |
264 | |
382 | |
265 | #else |
383 | #else |
266 | |
384 | |
267 | ev_tstamp ev_rt_now; |
385 | ev_tstamp ev_rt_now; |
268 | #define VAR(name,decl) static decl; |
386 | #define VAR(name,decl) static decl; |
269 | #include "ev_vars.h" |
387 | #include "ev_vars.h" |
270 | #undef VAR |
388 | #undef VAR |
271 | |
389 | |
272 | static int default_loop; |
390 | static int ev_default_loop_ptr; |
273 | |
391 | |
274 | #endif |
392 | #endif |
275 | |
393 | |
276 | /*****************************************************************************/ |
394 | /*****************************************************************************/ |
277 | |
395 | |
… | |
… | |
287 | gettimeofday (&tv, 0); |
405 | gettimeofday (&tv, 0); |
288 | return tv.tv_sec + tv.tv_usec * 1e-6; |
406 | return tv.tv_sec + tv.tv_usec * 1e-6; |
289 | #endif |
407 | #endif |
290 | } |
408 | } |
291 | |
409 | |
292 | inline ev_tstamp |
410 | ev_tstamp inline_size |
293 | get_clock (void) |
411 | get_clock (void) |
294 | { |
412 | { |
295 | #if EV_USE_MONOTONIC |
413 | #if EV_USE_MONOTONIC |
296 | if (expect_true (have_monotonic)) |
414 | if (expect_true (have_monotonic)) |
297 | { |
415 | { |
… | |
… | |
310 | { |
428 | { |
311 | return ev_rt_now; |
429 | return ev_rt_now; |
312 | } |
430 | } |
313 | #endif |
431 | #endif |
314 | |
432 | |
315 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
433 | void |
|
|
434 | ev_sleep (ev_tstamp delay) |
|
|
435 | { |
|
|
436 | if (delay > 0.) |
|
|
437 | { |
|
|
438 | #if EV_USE_NANOSLEEP |
|
|
439 | struct timespec ts; |
|
|
440 | |
|
|
441 | ts.tv_sec = (time_t)delay; |
|
|
442 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
443 | |
|
|
444 | nanosleep (&ts, 0); |
|
|
445 | #elif defined(_WIN32) |
|
|
446 | Sleep (delay * 1e3); |
|
|
447 | #else |
|
|
448 | struct timeval tv; |
|
|
449 | |
|
|
450 | tv.tv_sec = (time_t)delay; |
|
|
451 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
452 | |
|
|
453 | select (0, 0, 0, 0, &tv); |
|
|
454 | #endif |
|
|
455 | } |
|
|
456 | } |
|
|
457 | |
|
|
458 | /*****************************************************************************/ |
|
|
459 | |
|
|
460 | int inline_size |
|
|
461 | array_nextsize (int elem, int cur, int cnt) |
|
|
462 | { |
|
|
463 | int ncur = cur + 1; |
|
|
464 | |
|
|
465 | do |
|
|
466 | ncur <<= 1; |
|
|
467 | while (cnt > ncur); |
|
|
468 | |
|
|
469 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
470 | if (elem * ncur > 4096) |
|
|
471 | { |
|
|
472 | ncur *= elem; |
|
|
473 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
474 | ncur = ncur - sizeof (void *) * 4; |
|
|
475 | ncur /= elem; |
|
|
476 | } |
|
|
477 | |
|
|
478 | return ncur; |
|
|
479 | } |
|
|
480 | |
|
|
481 | static noinline void * |
|
|
482 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
483 | { |
|
|
484 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
485 | return ev_realloc (base, elem * *cur); |
|
|
486 | } |
316 | |
487 | |
317 | #define array_needsize(type,base,cur,cnt,init) \ |
488 | #define array_needsize(type,base,cur,cnt,init) \ |
318 | if (expect_false ((cnt) > cur)) \ |
489 | if (expect_false ((cnt) > (cur))) \ |
319 | { \ |
490 | { \ |
320 | int newcnt = cur; \ |
491 | int ocur_ = (cur); \ |
321 | do \ |
492 | (base) = (type *)array_realloc \ |
322 | { \ |
493 | (sizeof (type), (base), &(cur), (cnt)); \ |
323 | newcnt = array_roundsize (type, newcnt << 1); \ |
494 | init ((base) + (ocur_), (cur) - ocur_); \ |
324 | } \ |
|
|
325 | while ((cnt) > newcnt); \ |
|
|
326 | \ |
|
|
327 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
328 | init (base + cur, newcnt - cur); \ |
|
|
329 | cur = newcnt; \ |
|
|
330 | } |
495 | } |
331 | |
496 | |
|
|
497 | #if 0 |
332 | #define array_slim(type,stem) \ |
498 | #define array_slim(type,stem) \ |
333 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
499 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
334 | { \ |
500 | { \ |
335 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
501 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
336 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
502 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
337 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
503 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
338 | } |
504 | } |
|
|
505 | #endif |
339 | |
506 | |
340 | #define array_free(stem, idx) \ |
507 | #define array_free(stem, idx) \ |
341 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
508 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
342 | |
509 | |
343 | /*****************************************************************************/ |
510 | /*****************************************************************************/ |
344 | |
511 | |
345 | static void |
512 | void noinline |
|
|
513 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
514 | { |
|
|
515 | W w_ = (W)w; |
|
|
516 | int pri = ABSPRI (w_); |
|
|
517 | |
|
|
518 | if (expect_false (w_->pending)) |
|
|
519 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
520 | else |
|
|
521 | { |
|
|
522 | w_->pending = ++pendingcnt [pri]; |
|
|
523 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
524 | pendings [pri][w_->pending - 1].w = w_; |
|
|
525 | pendings [pri][w_->pending - 1].events = revents; |
|
|
526 | } |
|
|
527 | } |
|
|
528 | |
|
|
529 | void inline_speed |
|
|
530 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
531 | { |
|
|
532 | int i; |
|
|
533 | |
|
|
534 | for (i = 0; i < eventcnt; ++i) |
|
|
535 | ev_feed_event (EV_A_ events [i], type); |
|
|
536 | } |
|
|
537 | |
|
|
538 | /*****************************************************************************/ |
|
|
539 | |
|
|
540 | void inline_size |
346 | anfds_init (ANFD *base, int count) |
541 | anfds_init (ANFD *base, int count) |
347 | { |
542 | { |
348 | while (count--) |
543 | while (count--) |
349 | { |
544 | { |
350 | base->head = 0; |
545 | base->head = 0; |
… | |
… | |
353 | |
548 | |
354 | ++base; |
549 | ++base; |
355 | } |
550 | } |
356 | } |
551 | } |
357 | |
552 | |
358 | void |
553 | void inline_speed |
359 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
360 | { |
|
|
361 | W w_ = (W)w; |
|
|
362 | |
|
|
363 | if (w_->pending) |
|
|
364 | { |
|
|
365 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
366 | return; |
|
|
367 | } |
|
|
368 | |
|
|
369 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
370 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
|
|
371 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
372 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
373 | } |
|
|
374 | |
|
|
375 | static void |
|
|
376 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
377 | { |
|
|
378 | int i; |
|
|
379 | |
|
|
380 | for (i = 0; i < eventcnt; ++i) |
|
|
381 | ev_feed_event (EV_A_ events [i], type); |
|
|
382 | } |
|
|
383 | |
|
|
384 | inline void |
|
|
385 | fd_event (EV_P_ int fd, int revents) |
554 | fd_event (EV_P_ int fd, int revents) |
386 | { |
555 | { |
387 | ANFD *anfd = anfds + fd; |
556 | ANFD *anfd = anfds + fd; |
388 | struct ev_io *w; |
557 | ev_io *w; |
389 | |
558 | |
390 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
559 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
391 | { |
560 | { |
392 | int ev = w->events & revents; |
561 | int ev = w->events & revents; |
393 | |
562 | |
394 | if (ev) |
563 | if (ev) |
395 | ev_feed_event (EV_A_ (W)w, ev); |
564 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
397 | } |
566 | } |
398 | |
567 | |
399 | void |
568 | void |
400 | ev_feed_fd_event (EV_P_ int fd, int revents) |
569 | ev_feed_fd_event (EV_P_ int fd, int revents) |
401 | { |
570 | { |
|
|
571 | if (fd >= 0 && fd < anfdmax) |
402 | fd_event (EV_A_ fd, revents); |
572 | fd_event (EV_A_ fd, revents); |
403 | } |
573 | } |
404 | |
574 | |
405 | /*****************************************************************************/ |
575 | void inline_size |
406 | |
|
|
407 | static void |
|
|
408 | fd_reify (EV_P) |
576 | fd_reify (EV_P) |
409 | { |
577 | { |
410 | int i; |
578 | int i; |
411 | |
579 | |
412 | for (i = 0; i < fdchangecnt; ++i) |
580 | for (i = 0; i < fdchangecnt; ++i) |
413 | { |
581 | { |
414 | int fd = fdchanges [i]; |
582 | int fd = fdchanges [i]; |
415 | ANFD *anfd = anfds + fd; |
583 | ANFD *anfd = anfds + fd; |
416 | struct ev_io *w; |
584 | ev_io *w; |
417 | |
585 | |
418 | int events = 0; |
586 | unsigned char events = 0; |
419 | |
587 | |
420 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
588 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
421 | events |= w->events; |
589 | events |= (unsigned char)w->events; |
422 | |
590 | |
423 | #if EV_SELECT_IS_WINSOCKET |
591 | #if EV_SELECT_IS_WINSOCKET |
424 | if (events) |
592 | if (events) |
425 | { |
593 | { |
426 | unsigned long argp; |
594 | unsigned long argp; |
427 | anfd->handle = _get_osfhandle (fd); |
595 | anfd->handle = _get_osfhandle (fd); |
428 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
596 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
429 | } |
597 | } |
430 | #endif |
598 | #endif |
431 | |
599 | |
|
|
600 | { |
|
|
601 | unsigned char o_events = anfd->events; |
|
|
602 | unsigned char o_reify = anfd->reify; |
|
|
603 | |
432 | anfd->reify = 0; |
604 | anfd->reify = 0; |
433 | |
|
|
434 | method_modify (EV_A_ fd, anfd->events, events); |
|
|
435 | anfd->events = events; |
605 | anfd->events = events; |
|
|
606 | |
|
|
607 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
608 | backend_modify (EV_A_ fd, o_events, events); |
|
|
609 | } |
436 | } |
610 | } |
437 | |
611 | |
438 | fdchangecnt = 0; |
612 | fdchangecnt = 0; |
439 | } |
613 | } |
440 | |
614 | |
441 | static void |
615 | void inline_size |
442 | fd_change (EV_P_ int fd) |
616 | fd_change (EV_P_ int fd, int flags) |
443 | { |
617 | { |
444 | if (anfds [fd].reify) |
618 | unsigned char reify = anfds [fd].reify; |
445 | return; |
|
|
446 | |
|
|
447 | anfds [fd].reify = 1; |
619 | anfds [fd].reify |= flags; |
448 | |
620 | |
|
|
621 | if (expect_true (!reify)) |
|
|
622 | { |
449 | ++fdchangecnt; |
623 | ++fdchangecnt; |
450 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
624 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
451 | fdchanges [fdchangecnt - 1] = fd; |
625 | fdchanges [fdchangecnt - 1] = fd; |
|
|
626 | } |
452 | } |
627 | } |
453 | |
628 | |
454 | static void |
629 | void inline_speed |
455 | fd_kill (EV_P_ int fd) |
630 | fd_kill (EV_P_ int fd) |
456 | { |
631 | { |
457 | struct ev_io *w; |
632 | ev_io *w; |
458 | |
633 | |
459 | while ((w = (struct ev_io *)anfds [fd].head)) |
634 | while ((w = (ev_io *)anfds [fd].head)) |
460 | { |
635 | { |
461 | ev_io_stop (EV_A_ w); |
636 | ev_io_stop (EV_A_ w); |
462 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
637 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
463 | } |
638 | } |
464 | } |
639 | } |
465 | |
640 | |
466 | static int |
641 | int inline_size |
467 | fd_valid (int fd) |
642 | fd_valid (int fd) |
468 | { |
643 | { |
469 | #ifdef _WIN32 |
644 | #ifdef _WIN32 |
470 | return _get_osfhandle (fd) != -1; |
645 | return _get_osfhandle (fd) != -1; |
471 | #else |
646 | #else |
472 | return fcntl (fd, F_GETFD) != -1; |
647 | return fcntl (fd, F_GETFD) != -1; |
473 | #endif |
648 | #endif |
474 | } |
649 | } |
475 | |
650 | |
476 | /* called on EBADF to verify fds */ |
651 | /* called on EBADF to verify fds */ |
477 | static void |
652 | static void noinline |
478 | fd_ebadf (EV_P) |
653 | fd_ebadf (EV_P) |
479 | { |
654 | { |
480 | int fd; |
655 | int fd; |
481 | |
656 | |
482 | for (fd = 0; fd < anfdmax; ++fd) |
657 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
484 | if (!fd_valid (fd) == -1 && errno == EBADF) |
659 | if (!fd_valid (fd) == -1 && errno == EBADF) |
485 | fd_kill (EV_A_ fd); |
660 | fd_kill (EV_A_ fd); |
486 | } |
661 | } |
487 | |
662 | |
488 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
663 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
489 | static void |
664 | static void noinline |
490 | fd_enomem (EV_P) |
665 | fd_enomem (EV_P) |
491 | { |
666 | { |
492 | int fd; |
667 | int fd; |
493 | |
668 | |
494 | for (fd = anfdmax; fd--; ) |
669 | for (fd = anfdmax; fd--; ) |
… | |
… | |
497 | fd_kill (EV_A_ fd); |
672 | fd_kill (EV_A_ fd); |
498 | return; |
673 | return; |
499 | } |
674 | } |
500 | } |
675 | } |
501 | |
676 | |
502 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
677 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
503 | static void |
678 | static void noinline |
504 | fd_rearm_all (EV_P) |
679 | fd_rearm_all (EV_P) |
505 | { |
680 | { |
506 | int fd; |
681 | int fd; |
507 | |
682 | |
508 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
509 | for (fd = 0; fd < anfdmax; ++fd) |
683 | for (fd = 0; fd < anfdmax; ++fd) |
510 | if (anfds [fd].events) |
684 | if (anfds [fd].events) |
511 | { |
685 | { |
512 | anfds [fd].events = 0; |
686 | anfds [fd].events = 0; |
513 | fd_change (EV_A_ fd); |
687 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
514 | } |
688 | } |
515 | } |
689 | } |
516 | |
690 | |
517 | /*****************************************************************************/ |
691 | /*****************************************************************************/ |
518 | |
692 | |
519 | static void |
693 | void inline_speed |
520 | upheap (WT *heap, int k) |
694 | upheap (WT *heap, int k) |
521 | { |
695 | { |
522 | WT w = heap [k]; |
696 | WT w = heap [k]; |
523 | |
697 | |
524 | while (k && heap [k >> 1]->at > w->at) |
698 | while (k) |
525 | { |
699 | { |
|
|
700 | int p = (k - 1) >> 1; |
|
|
701 | |
|
|
702 | if (heap [p]->at <= w->at) |
|
|
703 | break; |
|
|
704 | |
526 | heap [k] = heap [k >> 1]; |
705 | heap [k] = heap [p]; |
527 | ((W)heap [k])->active = k + 1; |
706 | ((W)heap [k])->active = k + 1; |
528 | k >>= 1; |
707 | k = p; |
529 | } |
708 | } |
530 | |
709 | |
531 | heap [k] = w; |
710 | heap [k] = w; |
532 | ((W)heap [k])->active = k + 1; |
711 | ((W)heap [k])->active = k + 1; |
533 | |
|
|
534 | } |
712 | } |
535 | |
713 | |
536 | static void |
714 | void inline_speed |
537 | downheap (WT *heap, int N, int k) |
715 | downheap (WT *heap, int N, int k) |
538 | { |
716 | { |
539 | WT w = heap [k]; |
717 | WT w = heap [k]; |
540 | |
718 | |
541 | while (k < (N >> 1)) |
719 | for (;;) |
542 | { |
720 | { |
543 | int j = k << 1; |
721 | int c = (k << 1) + 1; |
544 | |
722 | |
545 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
723 | if (c >= N) |
546 | ++j; |
|
|
547 | |
|
|
548 | if (w->at <= heap [j]->at) |
|
|
549 | break; |
724 | break; |
550 | |
725 | |
|
|
726 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
727 | ? 1 : 0; |
|
|
728 | |
|
|
729 | if (w->at <= heap [c]->at) |
|
|
730 | break; |
|
|
731 | |
551 | heap [k] = heap [j]; |
732 | heap [k] = heap [c]; |
552 | ((W)heap [k])->active = k + 1; |
733 | ((W)heap [k])->active = k + 1; |
|
|
734 | |
553 | k = j; |
735 | k = c; |
554 | } |
736 | } |
555 | |
737 | |
556 | heap [k] = w; |
738 | heap [k] = w; |
557 | ((W)heap [k])->active = k + 1; |
739 | ((W)heap [k])->active = k + 1; |
558 | } |
740 | } |
559 | |
741 | |
560 | inline void |
742 | void inline_size |
561 | adjustheap (WT *heap, int N, int k) |
743 | adjustheap (WT *heap, int N, int k) |
562 | { |
744 | { |
563 | upheap (heap, k); |
745 | upheap (heap, k); |
564 | downheap (heap, N, k); |
746 | downheap (heap, N, k); |
565 | } |
747 | } |
… | |
… | |
575 | static ANSIG *signals; |
757 | static ANSIG *signals; |
576 | static int signalmax; |
758 | static int signalmax; |
577 | |
759 | |
578 | static int sigpipe [2]; |
760 | static int sigpipe [2]; |
579 | static sig_atomic_t volatile gotsig; |
761 | static sig_atomic_t volatile gotsig; |
580 | static struct ev_io sigev; |
762 | static ev_io sigev; |
581 | |
763 | |
582 | static void |
764 | void inline_size |
583 | signals_init (ANSIG *base, int count) |
765 | signals_init (ANSIG *base, int count) |
584 | { |
766 | { |
585 | while (count--) |
767 | while (count--) |
586 | { |
768 | { |
587 | base->head = 0; |
769 | base->head = 0; |
… | |
… | |
607 | write (sigpipe [1], &signum, 1); |
789 | write (sigpipe [1], &signum, 1); |
608 | errno = old_errno; |
790 | errno = old_errno; |
609 | } |
791 | } |
610 | } |
792 | } |
611 | |
793 | |
612 | void |
794 | void noinline |
613 | ev_feed_signal_event (EV_P_ int signum) |
795 | ev_feed_signal_event (EV_P_ int signum) |
614 | { |
796 | { |
615 | WL w; |
797 | WL w; |
616 | |
798 | |
617 | #if EV_MULTIPLICITY |
799 | #if EV_MULTIPLICITY |
618 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
800 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
619 | #endif |
801 | #endif |
620 | |
802 | |
621 | --signum; |
803 | --signum; |
622 | |
804 | |
623 | if (signum < 0 || signum >= signalmax) |
805 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
628 | for (w = signals [signum].head; w; w = w->next) |
810 | for (w = signals [signum].head; w; w = w->next) |
629 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
811 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
630 | } |
812 | } |
631 | |
813 | |
632 | static void |
814 | static void |
633 | sigcb (EV_P_ struct ev_io *iow, int revents) |
815 | sigcb (EV_P_ ev_io *iow, int revents) |
634 | { |
816 | { |
635 | int signum; |
817 | int signum; |
636 | |
818 | |
637 | read (sigpipe [0], &revents, 1); |
819 | read (sigpipe [0], &revents, 1); |
638 | gotsig = 0; |
820 | gotsig = 0; |
… | |
… | |
640 | for (signum = signalmax; signum--; ) |
822 | for (signum = signalmax; signum--; ) |
641 | if (signals [signum].gotsig) |
823 | if (signals [signum].gotsig) |
642 | ev_feed_signal_event (EV_A_ signum + 1); |
824 | ev_feed_signal_event (EV_A_ signum + 1); |
643 | } |
825 | } |
644 | |
826 | |
645 | inline void |
827 | void inline_speed |
646 | fd_intern (int fd) |
828 | fd_intern (int fd) |
647 | { |
829 | { |
648 | #ifdef _WIN32 |
830 | #ifdef _WIN32 |
649 | int arg = 1; |
831 | int arg = 1; |
650 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
832 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
652 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
834 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
653 | fcntl (fd, F_SETFL, O_NONBLOCK); |
835 | fcntl (fd, F_SETFL, O_NONBLOCK); |
654 | #endif |
836 | #endif |
655 | } |
837 | } |
656 | |
838 | |
657 | static void |
839 | static void noinline |
658 | siginit (EV_P) |
840 | siginit (EV_P) |
659 | { |
841 | { |
660 | fd_intern (sigpipe [0]); |
842 | fd_intern (sigpipe [0]); |
661 | fd_intern (sigpipe [1]); |
843 | fd_intern (sigpipe [1]); |
662 | |
844 | |
… | |
… | |
665 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
847 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
666 | } |
848 | } |
667 | |
849 | |
668 | /*****************************************************************************/ |
850 | /*****************************************************************************/ |
669 | |
851 | |
670 | static struct ev_child *childs [PID_HASHSIZE]; |
852 | static WL childs [EV_PID_HASHSIZE]; |
671 | |
853 | |
672 | #ifndef _WIN32 |
854 | #ifndef _WIN32 |
673 | |
855 | |
674 | static struct ev_signal childev; |
856 | static ev_signal childev; |
|
|
857 | |
|
|
858 | void inline_speed |
|
|
859 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
860 | { |
|
|
861 | ev_child *w; |
|
|
862 | |
|
|
863 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
864 | if (w->pid == pid || !w->pid) |
|
|
865 | { |
|
|
866 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
867 | w->rpid = pid; |
|
|
868 | w->rstatus = status; |
|
|
869 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
870 | } |
|
|
871 | } |
675 | |
872 | |
676 | #ifndef WCONTINUED |
873 | #ifndef WCONTINUED |
677 | # define WCONTINUED 0 |
874 | # define WCONTINUED 0 |
678 | #endif |
875 | #endif |
679 | |
876 | |
680 | static void |
877 | static void |
681 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
682 | { |
|
|
683 | struct ev_child *w; |
|
|
684 | |
|
|
685 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
686 | if (w->pid == pid || !w->pid) |
|
|
687 | { |
|
|
688 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
689 | w->rpid = pid; |
|
|
690 | w->rstatus = status; |
|
|
691 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
692 | } |
|
|
693 | } |
|
|
694 | |
|
|
695 | static void |
|
|
696 | childcb (EV_P_ struct ev_signal *sw, int revents) |
878 | childcb (EV_P_ ev_signal *sw, int revents) |
697 | { |
879 | { |
698 | int pid, status; |
880 | int pid, status; |
699 | |
881 | |
|
|
882 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
700 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
883 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
701 | { |
884 | if (!WCONTINUED |
|
|
885 | || errno != EINVAL |
|
|
886 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
887 | return; |
|
|
888 | |
702 | /* make sure we are called again until all childs have been reaped */ |
889 | /* make sure we are called again until all childs have been reaped */ |
|
|
890 | /* we need to do it this way so that the callback gets called before we continue */ |
703 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
891 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
704 | |
892 | |
705 | child_reap (EV_A_ sw, pid, pid, status); |
893 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
894 | if (EV_PID_HASHSIZE > 1) |
706 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
895 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
707 | } |
|
|
708 | } |
896 | } |
709 | |
897 | |
710 | #endif |
898 | #endif |
711 | |
899 | |
712 | /*****************************************************************************/ |
900 | /*****************************************************************************/ |
713 | |
901 | |
|
|
902 | #if EV_USE_PORT |
|
|
903 | # include "ev_port.c" |
|
|
904 | #endif |
714 | #if EV_USE_KQUEUE |
905 | #if EV_USE_KQUEUE |
715 | # include "ev_kqueue.c" |
906 | # include "ev_kqueue.c" |
716 | #endif |
907 | #endif |
717 | #if EV_USE_EPOLL |
908 | #if EV_USE_EPOLL |
718 | # include "ev_epoll.c" |
909 | # include "ev_epoll.c" |
… | |
… | |
735 | { |
926 | { |
736 | return EV_VERSION_MINOR; |
927 | return EV_VERSION_MINOR; |
737 | } |
928 | } |
738 | |
929 | |
739 | /* return true if we are running with elevated privileges and should ignore env variables */ |
930 | /* return true if we are running with elevated privileges and should ignore env variables */ |
740 | static int |
931 | int inline_size |
741 | enable_secure (void) |
932 | enable_secure (void) |
742 | { |
933 | { |
743 | #ifdef _WIN32 |
934 | #ifdef _WIN32 |
744 | return 0; |
935 | return 0; |
745 | #else |
936 | #else |
… | |
… | |
747 | || getgid () != getegid (); |
938 | || getgid () != getegid (); |
748 | #endif |
939 | #endif |
749 | } |
940 | } |
750 | |
941 | |
751 | unsigned int |
942 | unsigned int |
752 | ev_method (EV_P) |
943 | ev_supported_backends (void) |
753 | { |
944 | { |
754 | return method; |
945 | unsigned int flags = 0; |
755 | } |
|
|
756 | |
946 | |
757 | static void |
947 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
948 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
949 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
950 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
951 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
952 | |
|
|
953 | return flags; |
|
|
954 | } |
|
|
955 | |
|
|
956 | unsigned int |
|
|
957 | ev_recommended_backends (void) |
|
|
958 | { |
|
|
959 | unsigned int flags = ev_supported_backends (); |
|
|
960 | |
|
|
961 | #ifndef __NetBSD__ |
|
|
962 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
963 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
964 | flags &= ~EVBACKEND_KQUEUE; |
|
|
965 | #endif |
|
|
966 | #ifdef __APPLE__ |
|
|
967 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
968 | flags &= ~EVBACKEND_POLL; |
|
|
969 | #endif |
|
|
970 | |
|
|
971 | return flags; |
|
|
972 | } |
|
|
973 | |
|
|
974 | unsigned int |
|
|
975 | ev_embeddable_backends (void) |
|
|
976 | { |
|
|
977 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
978 | return EVBACKEND_KQUEUE |
|
|
979 | | EVBACKEND_PORT; |
|
|
980 | } |
|
|
981 | |
|
|
982 | unsigned int |
|
|
983 | ev_backend (EV_P) |
|
|
984 | { |
|
|
985 | return backend; |
|
|
986 | } |
|
|
987 | |
|
|
988 | unsigned int |
|
|
989 | ev_loop_count (EV_P) |
|
|
990 | { |
|
|
991 | return loop_count; |
|
|
992 | } |
|
|
993 | |
|
|
994 | void |
|
|
995 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
996 | { |
|
|
997 | io_blocktime = interval; |
|
|
998 | } |
|
|
999 | |
|
|
1000 | void |
|
|
1001 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1002 | { |
|
|
1003 | timeout_blocktime = interval; |
|
|
1004 | } |
|
|
1005 | |
|
|
1006 | static void noinline |
758 | loop_init (EV_P_ unsigned int flags) |
1007 | loop_init (EV_P_ unsigned int flags) |
759 | { |
1008 | { |
760 | if (!method) |
1009 | if (!backend) |
761 | { |
1010 | { |
762 | #if EV_USE_MONOTONIC |
1011 | #if EV_USE_MONOTONIC |
763 | { |
1012 | { |
764 | struct timespec ts; |
1013 | struct timespec ts; |
765 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1014 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
770 | ev_rt_now = ev_time (); |
1019 | ev_rt_now = ev_time (); |
771 | mn_now = get_clock (); |
1020 | mn_now = get_clock (); |
772 | now_floor = mn_now; |
1021 | now_floor = mn_now; |
773 | rtmn_diff = ev_rt_now - mn_now; |
1022 | rtmn_diff = ev_rt_now - mn_now; |
774 | |
1023 | |
775 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
1024 | io_blocktime = 0.; |
|
|
1025 | timeout_blocktime = 0.; |
|
|
1026 | |
|
|
1027 | /* pid check not overridable via env */ |
|
|
1028 | #ifndef _WIN32 |
|
|
1029 | if (flags & EVFLAG_FORKCHECK) |
|
|
1030 | curpid = getpid (); |
|
|
1031 | #endif |
|
|
1032 | |
|
|
1033 | if (!(flags & EVFLAG_NOENV) |
|
|
1034 | && !enable_secure () |
|
|
1035 | && getenv ("LIBEV_FLAGS")) |
776 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1036 | flags = atoi (getenv ("LIBEV_FLAGS")); |
777 | |
1037 | |
778 | if (!(flags & 0x0000ffff)) |
1038 | if (!(flags & 0x0000ffffUL)) |
779 | flags |= 0x0000ffff; |
1039 | flags |= ev_recommended_backends (); |
780 | |
1040 | |
781 | method = 0; |
1041 | backend = 0; |
|
|
1042 | backend_fd = -1; |
|
|
1043 | #if EV_USE_INOTIFY |
|
|
1044 | fs_fd = -2; |
|
|
1045 | #endif |
|
|
1046 | |
|
|
1047 | #if EV_USE_PORT |
|
|
1048 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
1049 | #endif |
782 | #if EV_USE_KQUEUE |
1050 | #if EV_USE_KQUEUE |
783 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
1051 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
784 | #endif |
1052 | #endif |
785 | #if EV_USE_EPOLL |
1053 | #if EV_USE_EPOLL |
786 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
1054 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
787 | #endif |
1055 | #endif |
788 | #if EV_USE_POLL |
1056 | #if EV_USE_POLL |
789 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
1057 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
790 | #endif |
1058 | #endif |
791 | #if EV_USE_SELECT |
1059 | #if EV_USE_SELECT |
792 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
1060 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
793 | #endif |
1061 | #endif |
794 | |
1062 | |
795 | ev_init (&sigev, sigcb); |
1063 | ev_init (&sigev, sigcb); |
796 | ev_set_priority (&sigev, EV_MAXPRI); |
1064 | ev_set_priority (&sigev, EV_MAXPRI); |
797 | } |
1065 | } |
798 | } |
1066 | } |
799 | |
1067 | |
800 | void |
1068 | static void noinline |
801 | loop_destroy (EV_P) |
1069 | loop_destroy (EV_P) |
802 | { |
1070 | { |
803 | int i; |
1071 | int i; |
804 | |
1072 | |
|
|
1073 | #if EV_USE_INOTIFY |
|
|
1074 | if (fs_fd >= 0) |
|
|
1075 | close (fs_fd); |
|
|
1076 | #endif |
|
|
1077 | |
|
|
1078 | if (backend_fd >= 0) |
|
|
1079 | close (backend_fd); |
|
|
1080 | |
|
|
1081 | #if EV_USE_PORT |
|
|
1082 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
1083 | #endif |
805 | #if EV_USE_KQUEUE |
1084 | #if EV_USE_KQUEUE |
806 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
1085 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
807 | #endif |
1086 | #endif |
808 | #if EV_USE_EPOLL |
1087 | #if EV_USE_EPOLL |
809 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
1088 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
810 | #endif |
1089 | #endif |
811 | #if EV_USE_POLL |
1090 | #if EV_USE_POLL |
812 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
1091 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
813 | #endif |
1092 | #endif |
814 | #if EV_USE_SELECT |
1093 | #if EV_USE_SELECT |
815 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
1094 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
816 | #endif |
1095 | #endif |
817 | |
1096 | |
818 | for (i = NUMPRI; i--; ) |
1097 | for (i = NUMPRI; i--; ) |
|
|
1098 | { |
819 | array_free (pending, [i]); |
1099 | array_free (pending, [i]); |
|
|
1100 | #if EV_IDLE_ENABLE |
|
|
1101 | array_free (idle, [i]); |
|
|
1102 | #endif |
|
|
1103 | } |
|
|
1104 | |
|
|
1105 | ev_free (anfds); anfdmax = 0; |
820 | |
1106 | |
821 | /* have to use the microsoft-never-gets-it-right macro */ |
1107 | /* have to use the microsoft-never-gets-it-right macro */ |
822 | array_free (fdchange, EMPTY); |
1108 | array_free (fdchange, EMPTY); |
823 | array_free (timer, EMPTY); |
1109 | array_free (timer, EMPTY); |
824 | #if EV_PERIODICS |
1110 | #if EV_PERIODIC_ENABLE |
825 | array_free (periodic, EMPTY); |
1111 | array_free (periodic, EMPTY); |
826 | #endif |
1112 | #endif |
|
|
1113 | #if EV_FORK_ENABLE |
827 | array_free (idle, EMPTY); |
1114 | array_free (fork, EMPTY); |
|
|
1115 | #endif |
828 | array_free (prepare, EMPTY); |
1116 | array_free (prepare, EMPTY); |
829 | array_free (check, EMPTY); |
1117 | array_free (check, EMPTY); |
830 | |
1118 | |
831 | method = 0; |
1119 | backend = 0; |
832 | } |
1120 | } |
833 | |
1121 | |
834 | static void |
1122 | void inline_size infy_fork (EV_P); |
|
|
1123 | |
|
|
1124 | void inline_size |
835 | loop_fork (EV_P) |
1125 | loop_fork (EV_P) |
836 | { |
1126 | { |
|
|
1127 | #if EV_USE_PORT |
|
|
1128 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
1129 | #endif |
|
|
1130 | #if EV_USE_KQUEUE |
|
|
1131 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
1132 | #endif |
837 | #if EV_USE_EPOLL |
1133 | #if EV_USE_EPOLL |
838 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1134 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
839 | #endif |
1135 | #endif |
840 | #if EV_USE_KQUEUE |
1136 | #if EV_USE_INOTIFY |
841 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1137 | infy_fork (EV_A); |
842 | #endif |
1138 | #endif |
843 | |
1139 | |
844 | if (ev_is_active (&sigev)) |
1140 | if (ev_is_active (&sigev)) |
845 | { |
1141 | { |
846 | /* default loop */ |
1142 | /* default loop */ |
… | |
… | |
867 | |
1163 | |
868 | memset (loop, 0, sizeof (struct ev_loop)); |
1164 | memset (loop, 0, sizeof (struct ev_loop)); |
869 | |
1165 | |
870 | loop_init (EV_A_ flags); |
1166 | loop_init (EV_A_ flags); |
871 | |
1167 | |
872 | if (ev_method (EV_A)) |
1168 | if (ev_backend (EV_A)) |
873 | return loop; |
1169 | return loop; |
874 | |
1170 | |
875 | return 0; |
1171 | return 0; |
876 | } |
1172 | } |
877 | |
1173 | |
… | |
… | |
890 | |
1186 | |
891 | #endif |
1187 | #endif |
892 | |
1188 | |
893 | #if EV_MULTIPLICITY |
1189 | #if EV_MULTIPLICITY |
894 | struct ev_loop * |
1190 | struct ev_loop * |
|
|
1191 | ev_default_loop_init (unsigned int flags) |
895 | #else |
1192 | #else |
896 | int |
1193 | int |
897 | #endif |
|
|
898 | ev_default_loop (unsigned int flags) |
1194 | ev_default_loop (unsigned int flags) |
|
|
1195 | #endif |
899 | { |
1196 | { |
900 | if (sigpipe [0] == sigpipe [1]) |
1197 | if (sigpipe [0] == sigpipe [1]) |
901 | if (pipe (sigpipe)) |
1198 | if (pipe (sigpipe)) |
902 | return 0; |
1199 | return 0; |
903 | |
1200 | |
904 | if (!default_loop) |
1201 | if (!ev_default_loop_ptr) |
905 | { |
1202 | { |
906 | #if EV_MULTIPLICITY |
1203 | #if EV_MULTIPLICITY |
907 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1204 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
908 | #else |
1205 | #else |
909 | default_loop = 1; |
1206 | ev_default_loop_ptr = 1; |
910 | #endif |
1207 | #endif |
911 | |
1208 | |
912 | loop_init (EV_A_ flags); |
1209 | loop_init (EV_A_ flags); |
913 | |
1210 | |
914 | if (ev_method (EV_A)) |
1211 | if (ev_backend (EV_A)) |
915 | { |
1212 | { |
916 | siginit (EV_A); |
1213 | siginit (EV_A); |
917 | |
1214 | |
918 | #ifndef _WIN32 |
1215 | #ifndef _WIN32 |
919 | ev_signal_init (&childev, childcb, SIGCHLD); |
1216 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
921 | ev_signal_start (EV_A_ &childev); |
1218 | ev_signal_start (EV_A_ &childev); |
922 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1219 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
923 | #endif |
1220 | #endif |
924 | } |
1221 | } |
925 | else |
1222 | else |
926 | default_loop = 0; |
1223 | ev_default_loop_ptr = 0; |
927 | } |
1224 | } |
928 | |
1225 | |
929 | return default_loop; |
1226 | return ev_default_loop_ptr; |
930 | } |
1227 | } |
931 | |
1228 | |
932 | void |
1229 | void |
933 | ev_default_destroy (void) |
1230 | ev_default_destroy (void) |
934 | { |
1231 | { |
935 | #if EV_MULTIPLICITY |
1232 | #if EV_MULTIPLICITY |
936 | struct ev_loop *loop = default_loop; |
1233 | struct ev_loop *loop = ev_default_loop_ptr; |
937 | #endif |
1234 | #endif |
938 | |
1235 | |
939 | #ifndef _WIN32 |
1236 | #ifndef _WIN32 |
940 | ev_ref (EV_A); /* child watcher */ |
1237 | ev_ref (EV_A); /* child watcher */ |
941 | ev_signal_stop (EV_A_ &childev); |
1238 | ev_signal_stop (EV_A_ &childev); |
… | |
… | |
952 | |
1249 | |
953 | void |
1250 | void |
954 | ev_default_fork (void) |
1251 | ev_default_fork (void) |
955 | { |
1252 | { |
956 | #if EV_MULTIPLICITY |
1253 | #if EV_MULTIPLICITY |
957 | struct ev_loop *loop = default_loop; |
1254 | struct ev_loop *loop = ev_default_loop_ptr; |
958 | #endif |
1255 | #endif |
959 | |
1256 | |
960 | if (method) |
1257 | if (backend) |
961 | postfork = 1; |
1258 | postfork = 1; |
962 | } |
1259 | } |
963 | |
1260 | |
964 | /*****************************************************************************/ |
1261 | /*****************************************************************************/ |
965 | |
1262 | |
966 | static int |
1263 | void |
967 | any_pending (EV_P) |
1264 | ev_invoke (EV_P_ void *w, int revents) |
968 | { |
1265 | { |
969 | int pri; |
1266 | EV_CB_INVOKE ((W)w, revents); |
970 | |
|
|
971 | for (pri = NUMPRI; pri--; ) |
|
|
972 | if (pendingcnt [pri]) |
|
|
973 | return 1; |
|
|
974 | |
|
|
975 | return 0; |
|
|
976 | } |
1267 | } |
977 | |
1268 | |
978 | static void |
1269 | void inline_speed |
979 | call_pending (EV_P) |
1270 | call_pending (EV_P) |
980 | { |
1271 | { |
981 | int pri; |
1272 | int pri; |
982 | |
1273 | |
983 | for (pri = NUMPRI; pri--; ) |
1274 | for (pri = NUMPRI; pri--; ) |
984 | while (pendingcnt [pri]) |
1275 | while (pendingcnt [pri]) |
985 | { |
1276 | { |
986 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1277 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
987 | |
1278 | |
988 | if (p->w) |
1279 | if (expect_true (p->w)) |
989 | { |
1280 | { |
|
|
1281 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1282 | |
990 | p->w->pending = 0; |
1283 | p->w->pending = 0; |
991 | EV_CB_INVOKE (p->w, p->events); |
1284 | EV_CB_INVOKE (p->w, p->events); |
992 | } |
1285 | } |
993 | } |
1286 | } |
994 | } |
1287 | } |
995 | |
1288 | |
996 | static void |
1289 | void inline_size |
997 | timers_reify (EV_P) |
1290 | timers_reify (EV_P) |
998 | { |
1291 | { |
999 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1292 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1000 | { |
1293 | { |
1001 | struct ev_timer *w = timers [0]; |
1294 | ev_timer *w = (ev_timer *)timers [0]; |
1002 | |
1295 | |
1003 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1296 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1004 | |
1297 | |
1005 | /* first reschedule or stop timer */ |
1298 | /* first reschedule or stop timer */ |
1006 | if (w->repeat) |
1299 | if (w->repeat) |
1007 | { |
1300 | { |
1008 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1301 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1009 | |
1302 | |
1010 | ((WT)w)->at += w->repeat; |
1303 | ((WT)w)->at += w->repeat; |
1011 | if (((WT)w)->at < mn_now) |
1304 | if (((WT)w)->at < mn_now) |
1012 | ((WT)w)->at = mn_now; |
1305 | ((WT)w)->at = mn_now; |
1013 | |
1306 | |
1014 | downheap ((WT *)timers, timercnt, 0); |
1307 | downheap (timers, timercnt, 0); |
1015 | } |
1308 | } |
1016 | else |
1309 | else |
1017 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1310 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1018 | |
1311 | |
1019 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1312 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1020 | } |
1313 | } |
1021 | } |
1314 | } |
1022 | |
1315 | |
1023 | #if EV_PERIODICS |
1316 | #if EV_PERIODIC_ENABLE |
1024 | static void |
1317 | void inline_size |
1025 | periodics_reify (EV_P) |
1318 | periodics_reify (EV_P) |
1026 | { |
1319 | { |
1027 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1320 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1028 | { |
1321 | { |
1029 | struct ev_periodic *w = periodics [0]; |
1322 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1030 | |
1323 | |
1031 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1324 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1032 | |
1325 | |
1033 | /* first reschedule or stop timer */ |
1326 | /* first reschedule or stop timer */ |
1034 | if (w->reschedule_cb) |
1327 | if (w->reschedule_cb) |
1035 | { |
1328 | { |
1036 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1329 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1037 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1330 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1038 | downheap ((WT *)periodics, periodiccnt, 0); |
1331 | downheap (periodics, periodiccnt, 0); |
1039 | } |
1332 | } |
1040 | else if (w->interval) |
1333 | else if (w->interval) |
1041 | { |
1334 | { |
1042 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1335 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1336 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1043 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1337 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1044 | downheap ((WT *)periodics, periodiccnt, 0); |
1338 | downheap (periodics, periodiccnt, 0); |
1045 | } |
1339 | } |
1046 | else |
1340 | else |
1047 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1341 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1048 | |
1342 | |
1049 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1343 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1050 | } |
1344 | } |
1051 | } |
1345 | } |
1052 | |
1346 | |
1053 | static void |
1347 | static void noinline |
1054 | periodics_reschedule (EV_P) |
1348 | periodics_reschedule (EV_P) |
1055 | { |
1349 | { |
1056 | int i; |
1350 | int i; |
1057 | |
1351 | |
1058 | /* adjust periodics after time jump */ |
1352 | /* adjust periodics after time jump */ |
1059 | for (i = 0; i < periodiccnt; ++i) |
1353 | for (i = 0; i < periodiccnt; ++i) |
1060 | { |
1354 | { |
1061 | struct ev_periodic *w = periodics [i]; |
1355 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1062 | |
1356 | |
1063 | if (w->reschedule_cb) |
1357 | if (w->reschedule_cb) |
1064 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1358 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1065 | else if (w->interval) |
1359 | else if (w->interval) |
1066 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1360 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1067 | } |
1361 | } |
1068 | |
1362 | |
1069 | /* now rebuild the heap */ |
1363 | /* now rebuild the heap */ |
1070 | for (i = periodiccnt >> 1; i--; ) |
1364 | for (i = periodiccnt >> 1; i--; ) |
1071 | downheap ((WT *)periodics, periodiccnt, i); |
1365 | downheap (periodics, periodiccnt, i); |
1072 | } |
1366 | } |
1073 | #endif |
1367 | #endif |
1074 | |
1368 | |
1075 | inline int |
1369 | #if EV_IDLE_ENABLE |
1076 | time_update_monotonic (EV_P) |
1370 | void inline_size |
|
|
1371 | idle_reify (EV_P) |
1077 | { |
1372 | { |
|
|
1373 | if (expect_false (idleall)) |
|
|
1374 | { |
|
|
1375 | int pri; |
|
|
1376 | |
|
|
1377 | for (pri = NUMPRI; pri--; ) |
|
|
1378 | { |
|
|
1379 | if (pendingcnt [pri]) |
|
|
1380 | break; |
|
|
1381 | |
|
|
1382 | if (idlecnt [pri]) |
|
|
1383 | { |
|
|
1384 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1385 | break; |
|
|
1386 | } |
|
|
1387 | } |
|
|
1388 | } |
|
|
1389 | } |
|
|
1390 | #endif |
|
|
1391 | |
|
|
1392 | void inline_speed |
|
|
1393 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1394 | { |
|
|
1395 | int i; |
|
|
1396 | |
|
|
1397 | #if EV_USE_MONOTONIC |
|
|
1398 | if (expect_true (have_monotonic)) |
|
|
1399 | { |
|
|
1400 | ev_tstamp odiff = rtmn_diff; |
|
|
1401 | |
1078 | mn_now = get_clock (); |
1402 | mn_now = get_clock (); |
1079 | |
1403 | |
|
|
1404 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1405 | /* interpolate in the meantime */ |
1080 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1406 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1081 | { |
1407 | { |
1082 | ev_rt_now = rtmn_diff + mn_now; |
1408 | ev_rt_now = rtmn_diff + mn_now; |
1083 | return 0; |
1409 | return; |
1084 | } |
1410 | } |
1085 | else |
1411 | |
1086 | { |
|
|
1087 | now_floor = mn_now; |
1412 | now_floor = mn_now; |
1088 | ev_rt_now = ev_time (); |
1413 | ev_rt_now = ev_time (); |
1089 | return 1; |
|
|
1090 | } |
|
|
1091 | } |
|
|
1092 | |
1414 | |
1093 | static void |
1415 | /* loop a few times, before making important decisions. |
1094 | time_update (EV_P) |
1416 | * on the choice of "4": one iteration isn't enough, |
1095 | { |
1417 | * in case we get preempted during the calls to |
1096 | int i; |
1418 | * ev_time and get_clock. a second call is almost guaranteed |
1097 | |
1419 | * to succeed in that case, though. and looping a few more times |
1098 | #if EV_USE_MONOTONIC |
1420 | * doesn't hurt either as we only do this on time-jumps or |
1099 | if (expect_true (have_monotonic)) |
1421 | * in the unlikely event of having been preempted here. |
1100 | { |
1422 | */ |
1101 | if (time_update_monotonic (EV_A)) |
1423 | for (i = 4; --i; ) |
1102 | { |
1424 | { |
1103 | ev_tstamp odiff = rtmn_diff; |
|
|
1104 | |
|
|
1105 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
1106 | { |
|
|
1107 | rtmn_diff = ev_rt_now - mn_now; |
1425 | rtmn_diff = ev_rt_now - mn_now; |
1108 | |
1426 | |
1109 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1427 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1110 | return; /* all is well */ |
1428 | return; /* all is well */ |
1111 | |
1429 | |
1112 | ev_rt_now = ev_time (); |
1430 | ev_rt_now = ev_time (); |
1113 | mn_now = get_clock (); |
1431 | mn_now = get_clock (); |
1114 | now_floor = mn_now; |
1432 | now_floor = mn_now; |
1115 | } |
1433 | } |
1116 | |
1434 | |
1117 | # if EV_PERIODICS |
1435 | # if EV_PERIODIC_ENABLE |
|
|
1436 | periodics_reschedule (EV_A); |
|
|
1437 | # endif |
|
|
1438 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1439 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1440 | } |
|
|
1441 | else |
|
|
1442 | #endif |
|
|
1443 | { |
|
|
1444 | ev_rt_now = ev_time (); |
|
|
1445 | |
|
|
1446 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
|
|
1447 | { |
|
|
1448 | #if EV_PERIODIC_ENABLE |
1118 | periodics_reschedule (EV_A); |
1449 | periodics_reschedule (EV_A); |
1119 | # endif |
1450 | #endif |
1120 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1121 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1122 | } |
|
|
1123 | } |
|
|
1124 | else |
|
|
1125 | #endif |
|
|
1126 | { |
|
|
1127 | ev_rt_now = ev_time (); |
|
|
1128 | |
|
|
1129 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
|
|
1130 | { |
|
|
1131 | #if EV_PERIODICS |
|
|
1132 | periodics_reschedule (EV_A); |
|
|
1133 | #endif |
|
|
1134 | |
|
|
1135 | /* adjust timers. this is easy, as the offset is the same for all */ |
1451 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1136 | for (i = 0; i < timercnt; ++i) |
1452 | for (i = 0; i < timercnt; ++i) |
1137 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1453 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1138 | } |
1454 | } |
1139 | |
1455 | |
1140 | mn_now = ev_rt_now; |
1456 | mn_now = ev_rt_now; |
… | |
… | |
1156 | static int loop_done; |
1472 | static int loop_done; |
1157 | |
1473 | |
1158 | void |
1474 | void |
1159 | ev_loop (EV_P_ int flags) |
1475 | ev_loop (EV_P_ int flags) |
1160 | { |
1476 | { |
1161 | double block; |
|
|
1162 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1477 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1478 | ? EVUNLOOP_ONE |
|
|
1479 | : EVUNLOOP_CANCEL; |
|
|
1480 | |
|
|
1481 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1163 | |
1482 | |
1164 | do |
1483 | do |
1165 | { |
1484 | { |
|
|
1485 | #ifndef _WIN32 |
|
|
1486 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1487 | if (expect_false (getpid () != curpid)) |
|
|
1488 | { |
|
|
1489 | curpid = getpid (); |
|
|
1490 | postfork = 1; |
|
|
1491 | } |
|
|
1492 | #endif |
|
|
1493 | |
|
|
1494 | #if EV_FORK_ENABLE |
|
|
1495 | /* we might have forked, so queue fork handlers */ |
|
|
1496 | if (expect_false (postfork)) |
|
|
1497 | if (forkcnt) |
|
|
1498 | { |
|
|
1499 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1500 | call_pending (EV_A); |
|
|
1501 | } |
|
|
1502 | #endif |
|
|
1503 | |
1166 | /* queue check watchers (and execute them) */ |
1504 | /* queue prepare watchers (and execute them) */ |
1167 | if (expect_false (preparecnt)) |
1505 | if (expect_false (preparecnt)) |
1168 | { |
1506 | { |
1169 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1507 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1170 | call_pending (EV_A); |
1508 | call_pending (EV_A); |
1171 | } |
1509 | } |
1172 | |
1510 | |
|
|
1511 | if (expect_false (!activecnt)) |
|
|
1512 | break; |
|
|
1513 | |
1173 | /* we might have forked, so reify kernel state if necessary */ |
1514 | /* we might have forked, so reify kernel state if necessary */ |
1174 | if (expect_false (postfork)) |
1515 | if (expect_false (postfork)) |
1175 | loop_fork (EV_A); |
1516 | loop_fork (EV_A); |
1176 | |
1517 | |
1177 | /* update fd-related kernel structures */ |
1518 | /* update fd-related kernel structures */ |
1178 | fd_reify (EV_A); |
1519 | fd_reify (EV_A); |
1179 | |
1520 | |
1180 | /* calculate blocking time */ |
1521 | /* calculate blocking time */ |
|
|
1522 | { |
|
|
1523 | ev_tstamp waittime = 0.; |
|
|
1524 | ev_tstamp sleeptime = 0.; |
1181 | |
1525 | |
1182 | /* we only need this for !monotonic clock or timers, but as we basically |
1526 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1183 | always have timers, we just calculate it always */ |
|
|
1184 | #if EV_USE_MONOTONIC |
|
|
1185 | if (expect_true (have_monotonic)) |
|
|
1186 | time_update_monotonic (EV_A); |
|
|
1187 | else |
|
|
1188 | #endif |
|
|
1189 | { |
1527 | { |
1190 | ev_rt_now = ev_time (); |
1528 | /* update time to cancel out callback processing overhead */ |
1191 | mn_now = ev_rt_now; |
1529 | time_update (EV_A_ 1e100); |
1192 | } |
|
|
1193 | |
1530 | |
1194 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1195 | block = 0.; |
|
|
1196 | else |
|
|
1197 | { |
|
|
1198 | block = MAX_BLOCKTIME; |
1531 | waittime = MAX_BLOCKTIME; |
1199 | |
1532 | |
1200 | if (timercnt) |
1533 | if (timercnt) |
1201 | { |
1534 | { |
1202 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1535 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1203 | if (block > to) block = to; |
1536 | if (waittime > to) waittime = to; |
1204 | } |
1537 | } |
1205 | |
1538 | |
1206 | #if EV_PERIODICS |
1539 | #if EV_PERIODIC_ENABLE |
1207 | if (periodiccnt) |
1540 | if (periodiccnt) |
1208 | { |
1541 | { |
1209 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1542 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1210 | if (block > to) block = to; |
1543 | if (waittime > to) waittime = to; |
1211 | } |
1544 | } |
1212 | #endif |
1545 | #endif |
1213 | |
1546 | |
1214 | if (block < 0.) block = 0.; |
1547 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1548 | waittime = timeout_blocktime; |
|
|
1549 | |
|
|
1550 | sleeptime = waittime - backend_fudge; |
|
|
1551 | |
|
|
1552 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1553 | sleeptime = io_blocktime; |
|
|
1554 | |
|
|
1555 | if (sleeptime) |
|
|
1556 | { |
|
|
1557 | ev_sleep (sleeptime); |
|
|
1558 | waittime -= sleeptime; |
|
|
1559 | } |
1215 | } |
1560 | } |
1216 | |
1561 | |
1217 | method_poll (EV_A_ block); |
1562 | ++loop_count; |
|
|
1563 | backend_poll (EV_A_ waittime); |
1218 | |
1564 | |
1219 | /* update ev_rt_now, do magic */ |
1565 | /* update ev_rt_now, do magic */ |
1220 | time_update (EV_A); |
1566 | time_update (EV_A_ waittime + sleeptime); |
|
|
1567 | } |
1221 | |
1568 | |
1222 | /* queue pending timers and reschedule them */ |
1569 | /* queue pending timers and reschedule them */ |
1223 | timers_reify (EV_A); /* relative timers called last */ |
1570 | timers_reify (EV_A); /* relative timers called last */ |
1224 | #if EV_PERIODICS |
1571 | #if EV_PERIODIC_ENABLE |
1225 | periodics_reify (EV_A); /* absolute timers called first */ |
1572 | periodics_reify (EV_A); /* absolute timers called first */ |
1226 | #endif |
1573 | #endif |
1227 | |
1574 | |
|
|
1575 | #if EV_IDLE_ENABLE |
1228 | /* queue idle watchers unless io or timers are pending */ |
1576 | /* queue idle watchers unless other events are pending */ |
1229 | if (idlecnt && !any_pending (EV_A)) |
1577 | idle_reify (EV_A); |
1230 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1578 | #endif |
1231 | |
1579 | |
1232 | /* queue check watchers, to be executed first */ |
1580 | /* queue check watchers, to be executed first */ |
1233 | if (checkcnt) |
1581 | if (expect_false (checkcnt)) |
1234 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1582 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1235 | |
1583 | |
1236 | call_pending (EV_A); |
1584 | call_pending (EV_A); |
|
|
1585 | |
1237 | } |
1586 | } |
1238 | while (activecnt && !loop_done); |
1587 | while (expect_true (activecnt && !loop_done)); |
1239 | |
1588 | |
1240 | if (loop_done != 2) |
1589 | if (loop_done == EVUNLOOP_ONE) |
1241 | loop_done = 0; |
1590 | loop_done = EVUNLOOP_CANCEL; |
1242 | } |
1591 | } |
1243 | |
1592 | |
1244 | void |
1593 | void |
1245 | ev_unloop (EV_P_ int how) |
1594 | ev_unloop (EV_P_ int how) |
1246 | { |
1595 | { |
1247 | loop_done = how; |
1596 | loop_done = how; |
1248 | } |
1597 | } |
1249 | |
1598 | |
1250 | /*****************************************************************************/ |
1599 | /*****************************************************************************/ |
1251 | |
1600 | |
1252 | inline void |
1601 | void inline_size |
1253 | wlist_add (WL *head, WL elem) |
1602 | wlist_add (WL *head, WL elem) |
1254 | { |
1603 | { |
1255 | elem->next = *head; |
1604 | elem->next = *head; |
1256 | *head = elem; |
1605 | *head = elem; |
1257 | } |
1606 | } |
1258 | |
1607 | |
1259 | inline void |
1608 | void inline_size |
1260 | wlist_del (WL *head, WL elem) |
1609 | wlist_del (WL *head, WL elem) |
1261 | { |
1610 | { |
1262 | while (*head) |
1611 | while (*head) |
1263 | { |
1612 | { |
1264 | if (*head == elem) |
1613 | if (*head == elem) |
… | |
… | |
1269 | |
1618 | |
1270 | head = &(*head)->next; |
1619 | head = &(*head)->next; |
1271 | } |
1620 | } |
1272 | } |
1621 | } |
1273 | |
1622 | |
1274 | inline void |
1623 | void inline_speed |
1275 | ev_clear_pending (EV_P_ W w) |
1624 | clear_pending (EV_P_ W w) |
1276 | { |
1625 | { |
1277 | if (w->pending) |
1626 | if (w->pending) |
1278 | { |
1627 | { |
1279 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1628 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1280 | w->pending = 0; |
1629 | w->pending = 0; |
1281 | } |
1630 | } |
1282 | } |
1631 | } |
1283 | |
1632 | |
1284 | inline void |
1633 | int |
|
|
1634 | ev_clear_pending (EV_P_ void *w) |
|
|
1635 | { |
|
|
1636 | W w_ = (W)w; |
|
|
1637 | int pending = w_->pending; |
|
|
1638 | |
|
|
1639 | if (expect_true (pending)) |
|
|
1640 | { |
|
|
1641 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1642 | w_->pending = 0; |
|
|
1643 | p->w = 0; |
|
|
1644 | return p->events; |
|
|
1645 | } |
|
|
1646 | else |
|
|
1647 | return 0; |
|
|
1648 | } |
|
|
1649 | |
|
|
1650 | void inline_size |
|
|
1651 | pri_adjust (EV_P_ W w) |
|
|
1652 | { |
|
|
1653 | int pri = w->priority; |
|
|
1654 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1655 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1656 | w->priority = pri; |
|
|
1657 | } |
|
|
1658 | |
|
|
1659 | void inline_speed |
1285 | ev_start (EV_P_ W w, int active) |
1660 | ev_start (EV_P_ W w, int active) |
1286 | { |
1661 | { |
1287 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1662 | pri_adjust (EV_A_ w); |
1288 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1289 | |
|
|
1290 | w->active = active; |
1663 | w->active = active; |
1291 | ev_ref (EV_A); |
1664 | ev_ref (EV_A); |
1292 | } |
1665 | } |
1293 | |
1666 | |
1294 | inline void |
1667 | void inline_size |
1295 | ev_stop (EV_P_ W w) |
1668 | ev_stop (EV_P_ W w) |
1296 | { |
1669 | { |
1297 | ev_unref (EV_A); |
1670 | ev_unref (EV_A); |
1298 | w->active = 0; |
1671 | w->active = 0; |
1299 | } |
1672 | } |
1300 | |
1673 | |
1301 | /*****************************************************************************/ |
1674 | /*****************************************************************************/ |
1302 | |
1675 | |
1303 | void |
1676 | void noinline |
1304 | ev_io_start (EV_P_ struct ev_io *w) |
1677 | ev_io_start (EV_P_ ev_io *w) |
1305 | { |
1678 | { |
1306 | int fd = w->fd; |
1679 | int fd = w->fd; |
1307 | |
1680 | |
1308 | if (ev_is_active (w)) |
1681 | if (expect_false (ev_is_active (w))) |
1309 | return; |
1682 | return; |
1310 | |
1683 | |
1311 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1684 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1312 | |
1685 | |
1313 | ev_start (EV_A_ (W)w, 1); |
1686 | ev_start (EV_A_ (W)w, 1); |
1314 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1687 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1315 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1688 | wlist_add (&anfds[fd].head, (WL)w); |
1316 | |
1689 | |
1317 | fd_change (EV_A_ fd); |
1690 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1691 | w->events &= ~EV_IOFDSET; |
1318 | } |
1692 | } |
1319 | |
1693 | |
1320 | void |
1694 | void noinline |
1321 | ev_io_stop (EV_P_ struct ev_io *w) |
1695 | ev_io_stop (EV_P_ ev_io *w) |
1322 | { |
1696 | { |
1323 | ev_clear_pending (EV_A_ (W)w); |
1697 | clear_pending (EV_A_ (W)w); |
1324 | if (!ev_is_active (w)) |
1698 | if (expect_false (!ev_is_active (w))) |
1325 | return; |
1699 | return; |
1326 | |
1700 | |
1327 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1701 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1328 | |
1702 | |
1329 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1703 | wlist_del (&anfds[w->fd].head, (WL)w); |
1330 | ev_stop (EV_A_ (W)w); |
1704 | ev_stop (EV_A_ (W)w); |
1331 | |
1705 | |
1332 | fd_change (EV_A_ w->fd); |
1706 | fd_change (EV_A_ w->fd, 1); |
1333 | } |
1707 | } |
1334 | |
1708 | |
1335 | void |
1709 | void noinline |
1336 | ev_timer_start (EV_P_ struct ev_timer *w) |
1710 | ev_timer_start (EV_P_ ev_timer *w) |
1337 | { |
1711 | { |
1338 | if (ev_is_active (w)) |
1712 | if (expect_false (ev_is_active (w))) |
1339 | return; |
1713 | return; |
1340 | |
1714 | |
1341 | ((WT)w)->at += mn_now; |
1715 | ((WT)w)->at += mn_now; |
1342 | |
1716 | |
1343 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1717 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1344 | |
1718 | |
1345 | ev_start (EV_A_ (W)w, ++timercnt); |
1719 | ev_start (EV_A_ (W)w, ++timercnt); |
1346 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1720 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1347 | timers [timercnt - 1] = w; |
1721 | timers [timercnt - 1] = (WT)w; |
1348 | upheap ((WT *)timers, timercnt - 1); |
1722 | upheap (timers, timercnt - 1); |
1349 | |
1723 | |
1350 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1724 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1351 | } |
1725 | } |
1352 | |
1726 | |
1353 | void |
1727 | void noinline |
1354 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1728 | ev_timer_stop (EV_P_ ev_timer *w) |
1355 | { |
1729 | { |
1356 | ev_clear_pending (EV_A_ (W)w); |
1730 | clear_pending (EV_A_ (W)w); |
1357 | if (!ev_is_active (w)) |
1731 | if (expect_false (!ev_is_active (w))) |
1358 | return; |
1732 | return; |
1359 | |
1733 | |
1360 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1734 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1361 | |
1735 | |
1362 | if (((W)w)->active < timercnt--) |
1736 | { |
|
|
1737 | int active = ((W)w)->active; |
|
|
1738 | |
|
|
1739 | if (expect_true (--active < --timercnt)) |
1363 | { |
1740 | { |
1364 | timers [((W)w)->active - 1] = timers [timercnt]; |
1741 | timers [active] = timers [timercnt]; |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1742 | adjustheap (timers, timercnt, active); |
1366 | } |
1743 | } |
|
|
1744 | } |
1367 | |
1745 | |
1368 | ((WT)w)->at -= mn_now; |
1746 | ((WT)w)->at -= mn_now; |
1369 | |
1747 | |
1370 | ev_stop (EV_A_ (W)w); |
1748 | ev_stop (EV_A_ (W)w); |
1371 | } |
1749 | } |
1372 | |
1750 | |
1373 | void |
1751 | void noinline |
1374 | ev_timer_again (EV_P_ struct ev_timer *w) |
1752 | ev_timer_again (EV_P_ ev_timer *w) |
1375 | { |
1753 | { |
1376 | if (ev_is_active (w)) |
1754 | if (ev_is_active (w)) |
1377 | { |
1755 | { |
1378 | if (w->repeat) |
1756 | if (w->repeat) |
1379 | { |
1757 | { |
1380 | ((WT)w)->at = mn_now + w->repeat; |
1758 | ((WT)w)->at = mn_now + w->repeat; |
1381 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1759 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1382 | } |
1760 | } |
1383 | else |
1761 | else |
1384 | ev_timer_stop (EV_A_ w); |
1762 | ev_timer_stop (EV_A_ w); |
1385 | } |
1763 | } |
1386 | else if (w->repeat) |
1764 | else if (w->repeat) |
… | |
… | |
1388 | w->at = w->repeat; |
1766 | w->at = w->repeat; |
1389 | ev_timer_start (EV_A_ w); |
1767 | ev_timer_start (EV_A_ w); |
1390 | } |
1768 | } |
1391 | } |
1769 | } |
1392 | |
1770 | |
1393 | #if EV_PERIODICS |
1771 | #if EV_PERIODIC_ENABLE |
1394 | void |
1772 | void noinline |
1395 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1773 | ev_periodic_start (EV_P_ ev_periodic *w) |
1396 | { |
1774 | { |
1397 | if (ev_is_active (w)) |
1775 | if (expect_false (ev_is_active (w))) |
1398 | return; |
1776 | return; |
1399 | |
1777 | |
1400 | if (w->reschedule_cb) |
1778 | if (w->reschedule_cb) |
1401 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1779 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1402 | else if (w->interval) |
1780 | else if (w->interval) |
1403 | { |
1781 | { |
1404 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1782 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1405 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1783 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1406 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1784 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1407 | } |
1785 | } |
|
|
1786 | else |
|
|
1787 | ((WT)w)->at = w->offset; |
1408 | |
1788 | |
1409 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1789 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1410 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1790 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1411 | periodics [periodiccnt - 1] = w; |
1791 | periodics [periodiccnt - 1] = (WT)w; |
1412 | upheap ((WT *)periodics, periodiccnt - 1); |
1792 | upheap (periodics, periodiccnt - 1); |
1413 | |
1793 | |
1414 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1794 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1415 | } |
1795 | } |
1416 | |
1796 | |
1417 | void |
1797 | void noinline |
1418 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1798 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1419 | { |
1799 | { |
1420 | ev_clear_pending (EV_A_ (W)w); |
1800 | clear_pending (EV_A_ (W)w); |
1421 | if (!ev_is_active (w)) |
1801 | if (expect_false (!ev_is_active (w))) |
1422 | return; |
1802 | return; |
1423 | |
1803 | |
1424 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1804 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1425 | |
1805 | |
1426 | if (((W)w)->active < periodiccnt--) |
1806 | { |
|
|
1807 | int active = ((W)w)->active; |
|
|
1808 | |
|
|
1809 | if (expect_true (--active < --periodiccnt)) |
1427 | { |
1810 | { |
1428 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1811 | periodics [active] = periodics [periodiccnt]; |
1429 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1812 | adjustheap (periodics, periodiccnt, active); |
1430 | } |
1813 | } |
|
|
1814 | } |
1431 | |
1815 | |
1432 | ev_stop (EV_A_ (W)w); |
1816 | ev_stop (EV_A_ (W)w); |
1433 | } |
1817 | } |
1434 | |
1818 | |
1435 | void |
1819 | void noinline |
1436 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1820 | ev_periodic_again (EV_P_ ev_periodic *w) |
1437 | { |
1821 | { |
1438 | /* TODO: use adjustheap and recalculation */ |
1822 | /* TODO: use adjustheap and recalculation */ |
1439 | ev_periodic_stop (EV_A_ w); |
1823 | ev_periodic_stop (EV_A_ w); |
1440 | ev_periodic_start (EV_A_ w); |
1824 | ev_periodic_start (EV_A_ w); |
1441 | } |
1825 | } |
1442 | #endif |
1826 | #endif |
1443 | |
1827 | |
1444 | void |
|
|
1445 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1446 | { |
|
|
1447 | if (ev_is_active (w)) |
|
|
1448 | return; |
|
|
1449 | |
|
|
1450 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1451 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
|
|
1452 | idles [idlecnt - 1] = w; |
|
|
1453 | } |
|
|
1454 | |
|
|
1455 | void |
|
|
1456 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1457 | { |
|
|
1458 | ev_clear_pending (EV_A_ (W)w); |
|
|
1459 | if (!ev_is_active (w)) |
|
|
1460 | return; |
|
|
1461 | |
|
|
1462 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1463 | ev_stop (EV_A_ (W)w); |
|
|
1464 | } |
|
|
1465 | |
|
|
1466 | void |
|
|
1467 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1468 | { |
|
|
1469 | if (ev_is_active (w)) |
|
|
1470 | return; |
|
|
1471 | |
|
|
1472 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1473 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1474 | prepares [preparecnt - 1] = w; |
|
|
1475 | } |
|
|
1476 | |
|
|
1477 | void |
|
|
1478 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1479 | { |
|
|
1480 | ev_clear_pending (EV_A_ (W)w); |
|
|
1481 | if (!ev_is_active (w)) |
|
|
1482 | return; |
|
|
1483 | |
|
|
1484 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1485 | ev_stop (EV_A_ (W)w); |
|
|
1486 | } |
|
|
1487 | |
|
|
1488 | void |
|
|
1489 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1490 | { |
|
|
1491 | if (ev_is_active (w)) |
|
|
1492 | return; |
|
|
1493 | |
|
|
1494 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1495 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
|
|
1496 | checks [checkcnt - 1] = w; |
|
|
1497 | } |
|
|
1498 | |
|
|
1499 | void |
|
|
1500 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1501 | { |
|
|
1502 | ev_clear_pending (EV_A_ (W)w); |
|
|
1503 | if (!ev_is_active (w)) |
|
|
1504 | return; |
|
|
1505 | |
|
|
1506 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1507 | ev_stop (EV_A_ (W)w); |
|
|
1508 | } |
|
|
1509 | |
|
|
1510 | #ifndef SA_RESTART |
1828 | #ifndef SA_RESTART |
1511 | # define SA_RESTART 0 |
1829 | # define SA_RESTART 0 |
1512 | #endif |
1830 | #endif |
1513 | |
1831 | |
1514 | void |
1832 | void noinline |
1515 | ev_signal_start (EV_P_ struct ev_signal *w) |
1833 | ev_signal_start (EV_P_ ev_signal *w) |
1516 | { |
1834 | { |
1517 | #if EV_MULTIPLICITY |
1835 | #if EV_MULTIPLICITY |
1518 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1836 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1519 | #endif |
1837 | #endif |
1520 | if (ev_is_active (w)) |
1838 | if (expect_false (ev_is_active (w))) |
1521 | return; |
1839 | return; |
1522 | |
1840 | |
1523 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1841 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1524 | |
1842 | |
|
|
1843 | { |
|
|
1844 | #ifndef _WIN32 |
|
|
1845 | sigset_t full, prev; |
|
|
1846 | sigfillset (&full); |
|
|
1847 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1848 | #endif |
|
|
1849 | |
|
|
1850 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1851 | |
|
|
1852 | #ifndef _WIN32 |
|
|
1853 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1854 | #endif |
|
|
1855 | } |
|
|
1856 | |
1525 | ev_start (EV_A_ (W)w, 1); |
1857 | ev_start (EV_A_ (W)w, 1); |
1526 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1527 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1858 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1528 | |
1859 | |
1529 | if (!((WL)w)->next) |
1860 | if (!((WL)w)->next) |
1530 | { |
1861 | { |
1531 | #if _WIN32 |
1862 | #if _WIN32 |
1532 | signal (w->signum, sighandler); |
1863 | signal (w->signum, sighandler); |
… | |
… | |
1538 | sigaction (w->signum, &sa, 0); |
1869 | sigaction (w->signum, &sa, 0); |
1539 | #endif |
1870 | #endif |
1540 | } |
1871 | } |
1541 | } |
1872 | } |
1542 | |
1873 | |
1543 | void |
1874 | void noinline |
1544 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1875 | ev_signal_stop (EV_P_ ev_signal *w) |
1545 | { |
1876 | { |
1546 | ev_clear_pending (EV_A_ (W)w); |
1877 | clear_pending (EV_A_ (W)w); |
1547 | if (!ev_is_active (w)) |
1878 | if (expect_false (!ev_is_active (w))) |
1548 | return; |
1879 | return; |
1549 | |
1880 | |
1550 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1881 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1551 | ev_stop (EV_A_ (W)w); |
1882 | ev_stop (EV_A_ (W)w); |
1552 | |
1883 | |
1553 | if (!signals [w->signum - 1].head) |
1884 | if (!signals [w->signum - 1].head) |
1554 | signal (w->signum, SIG_DFL); |
1885 | signal (w->signum, SIG_DFL); |
1555 | } |
1886 | } |
1556 | |
1887 | |
1557 | void |
1888 | void |
1558 | ev_child_start (EV_P_ struct ev_child *w) |
1889 | ev_child_start (EV_P_ ev_child *w) |
1559 | { |
1890 | { |
1560 | #if EV_MULTIPLICITY |
1891 | #if EV_MULTIPLICITY |
1561 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1892 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1562 | #endif |
1893 | #endif |
1563 | if (ev_is_active (w)) |
1894 | if (expect_false (ev_is_active (w))) |
1564 | return; |
1895 | return; |
1565 | |
1896 | |
1566 | ev_start (EV_A_ (W)w, 1); |
1897 | ev_start (EV_A_ (W)w, 1); |
1567 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1898 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1568 | } |
1899 | } |
1569 | |
1900 | |
1570 | void |
1901 | void |
1571 | ev_child_stop (EV_P_ struct ev_child *w) |
1902 | ev_child_stop (EV_P_ ev_child *w) |
1572 | { |
1903 | { |
1573 | ev_clear_pending (EV_A_ (W)w); |
1904 | clear_pending (EV_A_ (W)w); |
1574 | if (!ev_is_active (w)) |
1905 | if (expect_false (!ev_is_active (w))) |
1575 | return; |
1906 | return; |
1576 | |
1907 | |
1577 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1908 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1578 | ev_stop (EV_A_ (W)w); |
1909 | ev_stop (EV_A_ (W)w); |
1579 | } |
1910 | } |
1580 | |
1911 | |
|
|
1912 | #if EV_STAT_ENABLE |
|
|
1913 | |
|
|
1914 | # ifdef _WIN32 |
|
|
1915 | # undef lstat |
|
|
1916 | # define lstat(a,b) _stati64 (a,b) |
|
|
1917 | # endif |
|
|
1918 | |
|
|
1919 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1920 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1921 | |
|
|
1922 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1923 | |
|
|
1924 | #if EV_USE_INOTIFY |
|
|
1925 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1926 | |
|
|
1927 | static void noinline |
|
|
1928 | infy_add (EV_P_ ev_stat *w) |
|
|
1929 | { |
|
|
1930 | 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); |
|
|
1931 | |
|
|
1932 | if (w->wd < 0) |
|
|
1933 | { |
|
|
1934 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1935 | |
|
|
1936 | /* monitor some parent directory for speedup hints */ |
|
|
1937 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1938 | { |
|
|
1939 | char path [4096]; |
|
|
1940 | strcpy (path, w->path); |
|
|
1941 | |
|
|
1942 | do |
|
|
1943 | { |
|
|
1944 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1945 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1946 | |
|
|
1947 | char *pend = strrchr (path, '/'); |
|
|
1948 | |
|
|
1949 | if (!pend) |
|
|
1950 | break; /* whoops, no '/', complain to your admin */ |
|
|
1951 | |
|
|
1952 | *pend = 0; |
|
|
1953 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1954 | } |
|
|
1955 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1956 | } |
|
|
1957 | } |
|
|
1958 | else |
|
|
1959 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1960 | |
|
|
1961 | if (w->wd >= 0) |
|
|
1962 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1963 | } |
|
|
1964 | |
|
|
1965 | static void noinline |
|
|
1966 | infy_del (EV_P_ ev_stat *w) |
|
|
1967 | { |
|
|
1968 | int slot; |
|
|
1969 | int wd = w->wd; |
|
|
1970 | |
|
|
1971 | if (wd < 0) |
|
|
1972 | return; |
|
|
1973 | |
|
|
1974 | w->wd = -2; |
|
|
1975 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1976 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1977 | |
|
|
1978 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1979 | inotify_rm_watch (fs_fd, wd); |
|
|
1980 | } |
|
|
1981 | |
|
|
1982 | static void noinline |
|
|
1983 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1984 | { |
|
|
1985 | if (slot < 0) |
|
|
1986 | /* overflow, need to check for all hahs slots */ |
|
|
1987 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1988 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1989 | else |
|
|
1990 | { |
|
|
1991 | WL w_; |
|
|
1992 | |
|
|
1993 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1994 | { |
|
|
1995 | ev_stat *w = (ev_stat *)w_; |
|
|
1996 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1997 | |
|
|
1998 | if (w->wd == wd || wd == -1) |
|
|
1999 | { |
|
|
2000 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
2001 | { |
|
|
2002 | w->wd = -1; |
|
|
2003 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2004 | } |
|
|
2005 | |
|
|
2006 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
2007 | } |
|
|
2008 | } |
|
|
2009 | } |
|
|
2010 | } |
|
|
2011 | |
|
|
2012 | static void |
|
|
2013 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
2014 | { |
|
|
2015 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
2016 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2017 | int ofs; |
|
|
2018 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
2019 | |
|
|
2020 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
2021 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
2022 | } |
|
|
2023 | |
|
|
2024 | void inline_size |
|
|
2025 | infy_init (EV_P) |
|
|
2026 | { |
|
|
2027 | if (fs_fd != -2) |
|
|
2028 | return; |
|
|
2029 | |
|
|
2030 | fs_fd = inotify_init (); |
|
|
2031 | |
|
|
2032 | if (fs_fd >= 0) |
|
|
2033 | { |
|
|
2034 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
2035 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
2036 | ev_io_start (EV_A_ &fs_w); |
|
|
2037 | } |
|
|
2038 | } |
|
|
2039 | |
|
|
2040 | void inline_size |
|
|
2041 | infy_fork (EV_P) |
|
|
2042 | { |
|
|
2043 | int slot; |
|
|
2044 | |
|
|
2045 | if (fs_fd < 0) |
|
|
2046 | return; |
|
|
2047 | |
|
|
2048 | close (fs_fd); |
|
|
2049 | fs_fd = inotify_init (); |
|
|
2050 | |
|
|
2051 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2052 | { |
|
|
2053 | WL w_ = fs_hash [slot].head; |
|
|
2054 | fs_hash [slot].head = 0; |
|
|
2055 | |
|
|
2056 | while (w_) |
|
|
2057 | { |
|
|
2058 | ev_stat *w = (ev_stat *)w_; |
|
|
2059 | w_ = w_->next; /* lets us add this watcher */ |
|
|
2060 | |
|
|
2061 | w->wd = -1; |
|
|
2062 | |
|
|
2063 | if (fs_fd >= 0) |
|
|
2064 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2065 | else |
|
|
2066 | ev_timer_start (EV_A_ &w->timer); |
|
|
2067 | } |
|
|
2068 | |
|
|
2069 | } |
|
|
2070 | } |
|
|
2071 | |
|
|
2072 | #endif |
|
|
2073 | |
|
|
2074 | void |
|
|
2075 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
2076 | { |
|
|
2077 | if (lstat (w->path, &w->attr) < 0) |
|
|
2078 | w->attr.st_nlink = 0; |
|
|
2079 | else if (!w->attr.st_nlink) |
|
|
2080 | w->attr.st_nlink = 1; |
|
|
2081 | } |
|
|
2082 | |
|
|
2083 | static void noinline |
|
|
2084 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
2085 | { |
|
|
2086 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
2087 | |
|
|
2088 | /* we copy this here each the time so that */ |
|
|
2089 | /* prev has the old value when the callback gets invoked */ |
|
|
2090 | w->prev = w->attr; |
|
|
2091 | ev_stat_stat (EV_A_ w); |
|
|
2092 | |
|
|
2093 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2094 | if ( |
|
|
2095 | w->prev.st_dev != w->attr.st_dev |
|
|
2096 | || w->prev.st_ino != w->attr.st_ino |
|
|
2097 | || w->prev.st_mode != w->attr.st_mode |
|
|
2098 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2099 | || w->prev.st_uid != w->attr.st_uid |
|
|
2100 | || w->prev.st_gid != w->attr.st_gid |
|
|
2101 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2102 | || w->prev.st_size != w->attr.st_size |
|
|
2103 | || w->prev.st_atime != w->attr.st_atime |
|
|
2104 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2105 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2106 | ) { |
|
|
2107 | #if EV_USE_INOTIFY |
|
|
2108 | infy_del (EV_A_ w); |
|
|
2109 | infy_add (EV_A_ w); |
|
|
2110 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2111 | #endif |
|
|
2112 | |
|
|
2113 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2114 | } |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | void |
|
|
2118 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2119 | { |
|
|
2120 | if (expect_false (ev_is_active (w))) |
|
|
2121 | return; |
|
|
2122 | |
|
|
2123 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2124 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2125 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2126 | |
|
|
2127 | ev_stat_stat (EV_A_ w); |
|
|
2128 | |
|
|
2129 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2130 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2131 | |
|
|
2132 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2133 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2134 | |
|
|
2135 | #if EV_USE_INOTIFY |
|
|
2136 | infy_init (EV_A); |
|
|
2137 | |
|
|
2138 | if (fs_fd >= 0) |
|
|
2139 | infy_add (EV_A_ w); |
|
|
2140 | else |
|
|
2141 | #endif |
|
|
2142 | ev_timer_start (EV_A_ &w->timer); |
|
|
2143 | |
|
|
2144 | ev_start (EV_A_ (W)w, 1); |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | void |
|
|
2148 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2149 | { |
|
|
2150 | clear_pending (EV_A_ (W)w); |
|
|
2151 | if (expect_false (!ev_is_active (w))) |
|
|
2152 | return; |
|
|
2153 | |
|
|
2154 | #if EV_USE_INOTIFY |
|
|
2155 | infy_del (EV_A_ w); |
|
|
2156 | #endif |
|
|
2157 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2158 | |
|
|
2159 | ev_stop (EV_A_ (W)w); |
|
|
2160 | } |
|
|
2161 | #endif |
|
|
2162 | |
|
|
2163 | #if EV_IDLE_ENABLE |
|
|
2164 | void |
|
|
2165 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2166 | { |
|
|
2167 | if (expect_false (ev_is_active (w))) |
|
|
2168 | return; |
|
|
2169 | |
|
|
2170 | pri_adjust (EV_A_ (W)w); |
|
|
2171 | |
|
|
2172 | { |
|
|
2173 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2174 | |
|
|
2175 | ++idleall; |
|
|
2176 | ev_start (EV_A_ (W)w, active); |
|
|
2177 | |
|
|
2178 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2179 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2180 | } |
|
|
2181 | } |
|
|
2182 | |
|
|
2183 | void |
|
|
2184 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2185 | { |
|
|
2186 | clear_pending (EV_A_ (W)w); |
|
|
2187 | if (expect_false (!ev_is_active (w))) |
|
|
2188 | return; |
|
|
2189 | |
|
|
2190 | { |
|
|
2191 | int active = ((W)w)->active; |
|
|
2192 | |
|
|
2193 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2194 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2195 | |
|
|
2196 | ev_stop (EV_A_ (W)w); |
|
|
2197 | --idleall; |
|
|
2198 | } |
|
|
2199 | } |
|
|
2200 | #endif |
|
|
2201 | |
|
|
2202 | void |
|
|
2203 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2204 | { |
|
|
2205 | if (expect_false (ev_is_active (w))) |
|
|
2206 | return; |
|
|
2207 | |
|
|
2208 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2209 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2210 | prepares [preparecnt - 1] = w; |
|
|
2211 | } |
|
|
2212 | |
|
|
2213 | void |
|
|
2214 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2215 | { |
|
|
2216 | clear_pending (EV_A_ (W)w); |
|
|
2217 | if (expect_false (!ev_is_active (w))) |
|
|
2218 | return; |
|
|
2219 | |
|
|
2220 | { |
|
|
2221 | int active = ((W)w)->active; |
|
|
2222 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2223 | ((W)prepares [active - 1])->active = active; |
|
|
2224 | } |
|
|
2225 | |
|
|
2226 | ev_stop (EV_A_ (W)w); |
|
|
2227 | } |
|
|
2228 | |
|
|
2229 | void |
|
|
2230 | ev_check_start (EV_P_ ev_check *w) |
|
|
2231 | { |
|
|
2232 | if (expect_false (ev_is_active (w))) |
|
|
2233 | return; |
|
|
2234 | |
|
|
2235 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2236 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2237 | checks [checkcnt - 1] = w; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | void |
|
|
2241 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2242 | { |
|
|
2243 | clear_pending (EV_A_ (W)w); |
|
|
2244 | if (expect_false (!ev_is_active (w))) |
|
|
2245 | return; |
|
|
2246 | |
|
|
2247 | { |
|
|
2248 | int active = ((W)w)->active; |
|
|
2249 | checks [active - 1] = checks [--checkcnt]; |
|
|
2250 | ((W)checks [active - 1])->active = active; |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | ev_stop (EV_A_ (W)w); |
|
|
2254 | } |
|
|
2255 | |
|
|
2256 | #if EV_EMBED_ENABLE |
|
|
2257 | void noinline |
|
|
2258 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2259 | { |
|
|
2260 | ev_loop (w->other, EVLOOP_NONBLOCK); |
|
|
2261 | } |
|
|
2262 | |
|
|
2263 | static void |
|
|
2264 | embed_io_cb (EV_P_ ev_io *io, int revents) |
|
|
2265 | { |
|
|
2266 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2267 | |
|
|
2268 | if (ev_cb (w)) |
|
|
2269 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2270 | else |
|
|
2271 | ev_embed_sweep (loop, w); |
|
|
2272 | } |
|
|
2273 | |
|
|
2274 | static void |
|
|
2275 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2276 | { |
|
|
2277 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2278 | |
|
|
2279 | fd_reify (w->other); |
|
|
2280 | } |
|
|
2281 | |
|
|
2282 | void |
|
|
2283 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2284 | { |
|
|
2285 | if (expect_false (ev_is_active (w))) |
|
|
2286 | return; |
|
|
2287 | |
|
|
2288 | { |
|
|
2289 | struct ev_loop *loop = w->other; |
|
|
2290 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2291 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
|
|
2292 | } |
|
|
2293 | |
|
|
2294 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2295 | ev_io_start (EV_A_ &w->io); |
|
|
2296 | |
|
|
2297 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2298 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2299 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2300 | |
|
|
2301 | ev_start (EV_A_ (W)w, 1); |
|
|
2302 | } |
|
|
2303 | |
|
|
2304 | void |
|
|
2305 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2306 | { |
|
|
2307 | clear_pending (EV_A_ (W)w); |
|
|
2308 | if (expect_false (!ev_is_active (w))) |
|
|
2309 | return; |
|
|
2310 | |
|
|
2311 | ev_io_stop (EV_A_ &w->io); |
|
|
2312 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2313 | |
|
|
2314 | ev_stop (EV_A_ (W)w); |
|
|
2315 | } |
|
|
2316 | #endif |
|
|
2317 | |
|
|
2318 | #if EV_FORK_ENABLE |
|
|
2319 | void |
|
|
2320 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2321 | { |
|
|
2322 | if (expect_false (ev_is_active (w))) |
|
|
2323 | return; |
|
|
2324 | |
|
|
2325 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2326 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2327 | forks [forkcnt - 1] = w; |
|
|
2328 | } |
|
|
2329 | |
|
|
2330 | void |
|
|
2331 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2332 | { |
|
|
2333 | clear_pending (EV_A_ (W)w); |
|
|
2334 | if (expect_false (!ev_is_active (w))) |
|
|
2335 | return; |
|
|
2336 | |
|
|
2337 | { |
|
|
2338 | int active = ((W)w)->active; |
|
|
2339 | forks [active - 1] = forks [--forkcnt]; |
|
|
2340 | ((W)forks [active - 1])->active = active; |
|
|
2341 | } |
|
|
2342 | |
|
|
2343 | ev_stop (EV_A_ (W)w); |
|
|
2344 | } |
|
|
2345 | #endif |
|
|
2346 | |
1581 | /*****************************************************************************/ |
2347 | /*****************************************************************************/ |
1582 | |
2348 | |
1583 | struct ev_once |
2349 | struct ev_once |
1584 | { |
2350 | { |
1585 | struct ev_io io; |
2351 | ev_io io; |
1586 | struct ev_timer to; |
2352 | ev_timer to; |
1587 | void (*cb)(int revents, void *arg); |
2353 | void (*cb)(int revents, void *arg); |
1588 | void *arg; |
2354 | void *arg; |
1589 | }; |
2355 | }; |
1590 | |
2356 | |
1591 | static void |
2357 | static void |
… | |
… | |
1600 | |
2366 | |
1601 | cb (revents, arg); |
2367 | cb (revents, arg); |
1602 | } |
2368 | } |
1603 | |
2369 | |
1604 | static void |
2370 | static void |
1605 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2371 | once_cb_io (EV_P_ ev_io *w, int revents) |
1606 | { |
2372 | { |
1607 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2373 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1608 | } |
2374 | } |
1609 | |
2375 | |
1610 | static void |
2376 | static void |
1611 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2377 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1612 | { |
2378 | { |
1613 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2379 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1614 | } |
2380 | } |
1615 | |
2381 | |
1616 | void |
2382 | void |
1617 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2383 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1618 | { |
2384 | { |
1619 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2385 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1620 | |
2386 | |
1621 | if (!once) |
2387 | if (expect_false (!once)) |
|
|
2388 | { |
1622 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2389 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1623 | else |
2390 | return; |
1624 | { |
2391 | } |
|
|
2392 | |
1625 | once->cb = cb; |
2393 | once->cb = cb; |
1626 | once->arg = arg; |
2394 | once->arg = arg; |
1627 | |
2395 | |
1628 | ev_init (&once->io, once_cb_io); |
2396 | ev_init (&once->io, once_cb_io); |
1629 | if (fd >= 0) |
2397 | if (fd >= 0) |
1630 | { |
2398 | { |
1631 | ev_io_set (&once->io, fd, events); |
2399 | ev_io_set (&once->io, fd, events); |
1632 | ev_io_start (EV_A_ &once->io); |
2400 | ev_io_start (EV_A_ &once->io); |
1633 | } |
2401 | } |
1634 | |
2402 | |
1635 | ev_init (&once->to, once_cb_to); |
2403 | ev_init (&once->to, once_cb_to); |
1636 | if (timeout >= 0.) |
2404 | if (timeout >= 0.) |
1637 | { |
2405 | { |
1638 | ev_timer_set (&once->to, timeout, 0.); |
2406 | ev_timer_set (&once->to, timeout, 0.); |
1639 | ev_timer_start (EV_A_ &once->to); |
2407 | ev_timer_start (EV_A_ &once->to); |
1640 | } |
|
|
1641 | } |
2408 | } |
1642 | } |
2409 | } |
|
|
2410 | |
|
|
2411 | #if EV_MULTIPLICITY |
|
|
2412 | #include "ev_wrap.h" |
|
|
2413 | #endif |
1643 | |
2414 | |
1644 | #ifdef __cplusplus |
2415 | #ifdef __cplusplus |
1645 | } |
2416 | } |
1646 | #endif |
2417 | #endif |
1647 | |
2418 | |