… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
43 | # ifndef EV_USE_REALTIME |
47 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
45 | # endif |
49 | # endif |
|
|
50 | # else |
|
|
51 | # ifndef EV_USE_MONOTONIC |
|
|
52 | # define EV_USE_MONOTONIC 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_REALTIME |
|
|
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
46 | # endif |
57 | # endif |
47 | |
58 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
50 | # endif |
65 | # endif |
51 | |
66 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
54 | # endif |
73 | # endif |
55 | |
74 | |
56 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
75 | # ifndef EV_USE_EPOLL |
|
|
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
57 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
58 | # endif |
81 | # endif |
59 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
62 | # endif |
97 | # endif |
63 | |
98 | |
64 | #endif |
99 | #endif |
65 | |
100 | |
66 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
75 | #include <sys/types.h> |
110 | #include <sys/types.h> |
76 | #include <time.h> |
111 | #include <time.h> |
77 | |
112 | |
78 | #include <signal.h> |
113 | #include <signal.h> |
79 | |
114 | |
80 | #ifndef WIN32 |
115 | #ifndef _WIN32 |
81 | # include <unistd.h> |
|
|
82 | # include <sys/time.h> |
116 | # include <sys/time.h> |
83 | # include <sys/wait.h> |
117 | # include <sys/wait.h> |
|
|
118 | # include <unistd.h> |
|
|
119 | #else |
|
|
120 | # define WIN32_LEAN_AND_MEAN |
|
|
121 | # include <windows.h> |
|
|
122 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
123 | # define EV_SELECT_IS_WINSOCKET 1 |
84 | #endif |
124 | # endif |
|
|
125 | #endif |
|
|
126 | |
85 | /**/ |
127 | /**/ |
86 | |
128 | |
87 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
88 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | #ifndef EV_USE_REALTIME |
|
|
134 | # define EV_USE_REALTIME 0 |
89 | #endif |
135 | #endif |
90 | |
136 | |
91 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
92 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
93 | #endif |
139 | #endif |
94 | |
140 | |
95 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
96 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
142 | # ifdef _WIN32 |
|
|
143 | # define EV_USE_POLL 0 |
|
|
144 | # else |
|
|
145 | # define EV_USE_POLL 1 |
|
|
146 | # endif |
97 | #endif |
147 | #endif |
98 | |
148 | |
99 | #ifndef EV_USE_EPOLL |
149 | #ifndef EV_USE_EPOLL |
100 | # define EV_USE_EPOLL 0 |
150 | # define EV_USE_EPOLL 0 |
101 | #endif |
151 | #endif |
102 | |
152 | |
103 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
104 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
105 | #endif |
155 | #endif |
106 | |
156 | |
107 | #ifndef EV_USE_WIN32 |
|
|
108 | # ifdef WIN32 |
|
|
109 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
110 | # undef EV_USE_SELECT |
|
|
111 | # define EV_USE_SELECT 1 |
|
|
112 | # else |
|
|
113 | # define EV_USE_WIN32 0 |
|
|
114 | # endif |
|
|
115 | #endif |
|
|
116 | |
|
|
117 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
118 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
119 | #endif |
159 | #endif |
120 | |
160 | |
121 | /**/ |
161 | /**/ |
122 | |
162 | |
123 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
128 | #ifndef CLOCK_REALTIME |
168 | #ifndef CLOCK_REALTIME |
129 | # undef EV_USE_REALTIME |
169 | # undef EV_USE_REALTIME |
130 | # define EV_USE_REALTIME 0 |
170 | # define EV_USE_REALTIME 0 |
131 | #endif |
171 | #endif |
132 | |
172 | |
|
|
173 | #if EV_SELECT_IS_WINSOCKET |
|
|
174 | # include <winsock.h> |
|
|
175 | #endif |
|
|
176 | |
133 | /**/ |
177 | /**/ |
134 | |
178 | |
135 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
136 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
137 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
138 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
139 | |
183 | |
140 | #ifdef EV_H |
184 | #ifdef EV_H |
141 | # include EV_H |
185 | # include EV_H |
142 | #else |
186 | #else |
143 | # include "ev.h" |
187 | # include "ev.h" |
144 | #endif |
188 | #endif |
145 | |
189 | |
146 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
147 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
192 | # define inline_size static inline /* inline for codesize */ |
|
|
193 | # if EV_MINIMAL |
148 | # define inline inline |
194 | # define noinline __attribute__ ((noinline)) |
|
|
195 | # define inline_speed static noinline |
|
|
196 | # else |
|
|
197 | # define noinline |
|
|
198 | # define inline_speed static inline |
|
|
199 | # endif |
149 | #else |
200 | #else |
150 | # define expect(expr,value) (expr) |
201 | # define expect(expr,value) (expr) |
151 | # define inline static |
202 | # define inline_speed static |
|
|
203 | # define inline_minimal static |
|
|
204 | # define noinline |
152 | #endif |
205 | #endif |
153 | |
206 | |
154 | #define expect_false(expr) expect ((expr) != 0, 0) |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
155 | #define expect_true(expr) expect ((expr) != 0, 1) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
156 | |
209 | |
157 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
210 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
158 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
211 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
159 | |
212 | |
|
|
213 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
214 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
215 | |
160 | typedef struct ev_watcher *W; |
216 | typedef ev_watcher *W; |
161 | typedef struct ev_watcher_list *WL; |
217 | typedef ev_watcher_list *WL; |
162 | typedef struct ev_watcher_time *WT; |
218 | typedef ev_watcher_time *WT; |
163 | |
219 | |
164 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
220 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
165 | |
221 | |
166 | #ifdef WIN32 |
222 | #ifdef _WIN32 |
167 | # include "ev_win32.c" |
223 | # include "ev_win32.c" |
168 | #endif |
224 | #endif |
169 | |
225 | |
170 | /*****************************************************************************/ |
226 | /*****************************************************************************/ |
171 | |
227 | |
172 | static void (*syserr_cb)(const char *msg); |
228 | static void (*syserr_cb)(const char *msg); |
173 | |
229 | |
|
|
230 | void |
174 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
231 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
175 | { |
232 | { |
176 | syserr_cb = cb; |
233 | syserr_cb = cb; |
177 | } |
234 | } |
178 | |
235 | |
179 | static void |
236 | static void noinline |
180 | syserr (const char *msg) |
237 | syserr (const char *msg) |
181 | { |
238 | { |
182 | if (!msg) |
239 | if (!msg) |
183 | msg = "(libev) system error"; |
240 | msg = "(libev) system error"; |
184 | |
241 | |
… | |
… | |
191 | } |
248 | } |
192 | } |
249 | } |
193 | |
250 | |
194 | static void *(*alloc)(void *ptr, long size); |
251 | static void *(*alloc)(void *ptr, long size); |
195 | |
252 | |
|
|
253 | void |
196 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
254 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
197 | { |
255 | { |
198 | alloc = cb; |
256 | alloc = cb; |
199 | } |
257 | } |
200 | |
258 | |
201 | static void * |
259 | static void * |
… | |
… | |
220 | typedef struct |
278 | typedef struct |
221 | { |
279 | { |
222 | WL head; |
280 | WL head; |
223 | unsigned char events; |
281 | unsigned char events; |
224 | unsigned char reify; |
282 | unsigned char reify; |
|
|
283 | #if EV_SELECT_IS_WINSOCKET |
|
|
284 | SOCKET handle; |
|
|
285 | #endif |
225 | } ANFD; |
286 | } ANFD; |
226 | |
287 | |
227 | typedef struct |
288 | typedef struct |
228 | { |
289 | { |
229 | W w; |
290 | W w; |
… | |
… | |
233 | #if EV_MULTIPLICITY |
294 | #if EV_MULTIPLICITY |
234 | |
295 | |
235 | struct ev_loop |
296 | struct ev_loop |
236 | { |
297 | { |
237 | ev_tstamp ev_rt_now; |
298 | ev_tstamp ev_rt_now; |
|
|
299 | #define ev_rt_now ((loop)->ev_rt_now) |
238 | #define VAR(name,decl) decl; |
300 | #define VAR(name,decl) decl; |
239 | #include "ev_vars.h" |
301 | #include "ev_vars.h" |
240 | #undef VAR |
302 | #undef VAR |
241 | }; |
303 | }; |
242 | #include "ev_wrap.h" |
304 | #include "ev_wrap.h" |
243 | |
305 | |
244 | struct ev_loop default_loop_struct; |
306 | static struct ev_loop default_loop_struct; |
245 | static struct ev_loop *default_loop; |
307 | struct ev_loop *ev_default_loop_ptr; |
246 | |
308 | |
247 | #else |
309 | #else |
248 | |
310 | |
249 | ev_tstamp ev_rt_now; |
311 | ev_tstamp ev_rt_now; |
250 | #define VAR(name,decl) static decl; |
312 | #define VAR(name,decl) static decl; |
251 | #include "ev_vars.h" |
313 | #include "ev_vars.h" |
252 | #undef VAR |
314 | #undef VAR |
253 | |
315 | |
254 | static int default_loop; |
316 | static int ev_default_loop_ptr; |
255 | |
317 | |
256 | #endif |
318 | #endif |
257 | |
319 | |
258 | /*****************************************************************************/ |
320 | /*****************************************************************************/ |
259 | |
321 | |
… | |
… | |
269 | gettimeofday (&tv, 0); |
331 | gettimeofday (&tv, 0); |
270 | return tv.tv_sec + tv.tv_usec * 1e-6; |
332 | return tv.tv_sec + tv.tv_usec * 1e-6; |
271 | #endif |
333 | #endif |
272 | } |
334 | } |
273 | |
335 | |
274 | inline ev_tstamp |
336 | ev_tstamp inline_size |
275 | get_clock (void) |
337 | get_clock (void) |
276 | { |
338 | { |
277 | #if EV_USE_MONOTONIC |
339 | #if EV_USE_MONOTONIC |
278 | if (expect_true (have_monotonic)) |
340 | if (expect_true (have_monotonic)) |
279 | { |
341 | { |
… | |
… | |
292 | { |
354 | { |
293 | return ev_rt_now; |
355 | return ev_rt_now; |
294 | } |
356 | } |
295 | #endif |
357 | #endif |
296 | |
358 | |
297 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
359 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
298 | |
360 | |
299 | #define array_needsize(type,base,cur,cnt,init) \ |
361 | #define array_needsize(type,base,cur,cnt,init) \ |
300 | if (expect_false ((cnt) > cur)) \ |
362 | if (expect_false ((cnt) > cur)) \ |
301 | { \ |
363 | { \ |
302 | int newcnt = cur; \ |
364 | int newcnt = cur; \ |
… | |
… | |
317 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
379 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
318 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
380 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
319 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
381 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
320 | } |
382 | } |
321 | |
383 | |
322 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
323 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
324 | #define array_free_microshit(stem) \ |
|
|
325 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
326 | |
|
|
327 | #define array_free(stem, idx) \ |
384 | #define array_free(stem, idx) \ |
328 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
385 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
329 | |
386 | |
330 | /*****************************************************************************/ |
387 | /*****************************************************************************/ |
331 | |
388 | |
332 | static void |
389 | void noinline |
|
|
390 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
391 | { |
|
|
392 | W w_ = (W)w; |
|
|
393 | |
|
|
394 | if (expect_false (w_->pending)) |
|
|
395 | { |
|
|
396 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
397 | return; |
|
|
398 | } |
|
|
399 | |
|
|
400 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
401 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
402 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
403 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
404 | } |
|
|
405 | |
|
|
406 | void inline_size |
|
|
407 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
408 | { |
|
|
409 | int i; |
|
|
410 | |
|
|
411 | for (i = 0; i < eventcnt; ++i) |
|
|
412 | ev_feed_event (EV_A_ events [i], type); |
|
|
413 | } |
|
|
414 | |
|
|
415 | /*****************************************************************************/ |
|
|
416 | |
|
|
417 | void inline_size |
333 | anfds_init (ANFD *base, int count) |
418 | anfds_init (ANFD *base, int count) |
334 | { |
419 | { |
335 | while (count--) |
420 | while (count--) |
336 | { |
421 | { |
337 | base->head = 0; |
422 | base->head = 0; |
… | |
… | |
340 | |
425 | |
341 | ++base; |
426 | ++base; |
342 | } |
427 | } |
343 | } |
428 | } |
344 | |
429 | |
345 | void |
430 | void inline_speed |
346 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
347 | { |
|
|
348 | W w_ = (W)w; |
|
|
349 | |
|
|
350 | if (w_->pending) |
|
|
351 | { |
|
|
352 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
353 | return; |
|
|
354 | } |
|
|
355 | |
|
|
356 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
357 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
|
|
358 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
359 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
360 | } |
|
|
361 | |
|
|
362 | static void |
|
|
363 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
364 | { |
|
|
365 | int i; |
|
|
366 | |
|
|
367 | for (i = 0; i < eventcnt; ++i) |
|
|
368 | ev_feed_event (EV_A_ events [i], type); |
|
|
369 | } |
|
|
370 | |
|
|
371 | inline void |
|
|
372 | fd_event (EV_P_ int fd, int revents) |
431 | fd_event (EV_P_ int fd, int revents) |
373 | { |
432 | { |
374 | ANFD *anfd = anfds + fd; |
433 | ANFD *anfd = anfds + fd; |
375 | struct ev_io *w; |
434 | ev_io *w; |
376 | |
435 | |
377 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
436 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
378 | { |
437 | { |
379 | int ev = w->events & revents; |
438 | int ev = w->events & revents; |
380 | |
439 | |
381 | if (ev) |
440 | if (ev) |
382 | ev_feed_event (EV_A_ (W)w, ev); |
441 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
387 | ev_feed_fd_event (EV_P_ int fd, int revents) |
446 | ev_feed_fd_event (EV_P_ int fd, int revents) |
388 | { |
447 | { |
389 | fd_event (EV_A_ fd, revents); |
448 | fd_event (EV_A_ fd, revents); |
390 | } |
449 | } |
391 | |
450 | |
392 | /*****************************************************************************/ |
451 | void inline_size |
393 | |
|
|
394 | static void |
|
|
395 | fd_reify (EV_P) |
452 | fd_reify (EV_P) |
396 | { |
453 | { |
397 | int i; |
454 | int i; |
398 | |
455 | |
399 | for (i = 0; i < fdchangecnt; ++i) |
456 | for (i = 0; i < fdchangecnt; ++i) |
400 | { |
457 | { |
401 | int fd = fdchanges [i]; |
458 | int fd = fdchanges [i]; |
402 | ANFD *anfd = anfds + fd; |
459 | ANFD *anfd = anfds + fd; |
403 | struct ev_io *w; |
460 | ev_io *w; |
404 | |
461 | |
405 | int events = 0; |
462 | int events = 0; |
406 | |
463 | |
407 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
464 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
408 | events |= w->events; |
465 | events |= w->events; |
409 | |
466 | |
|
|
467 | #if EV_SELECT_IS_WINSOCKET |
|
|
468 | if (events) |
|
|
469 | { |
|
|
470 | unsigned long argp; |
|
|
471 | anfd->handle = _get_osfhandle (fd); |
|
|
472 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
473 | } |
|
|
474 | #endif |
|
|
475 | |
410 | anfd->reify = 0; |
476 | anfd->reify = 0; |
411 | |
477 | |
412 | method_modify (EV_A_ fd, anfd->events, events); |
478 | backend_modify (EV_A_ fd, anfd->events, events); |
413 | anfd->events = events; |
479 | anfd->events = events; |
414 | } |
480 | } |
415 | |
481 | |
416 | fdchangecnt = 0; |
482 | fdchangecnt = 0; |
417 | } |
483 | } |
418 | |
484 | |
419 | static void |
485 | void inline_size |
420 | fd_change (EV_P_ int fd) |
486 | fd_change (EV_P_ int fd) |
421 | { |
487 | { |
422 | if (anfds [fd].reify) |
488 | if (expect_false (anfds [fd].reify)) |
423 | return; |
489 | return; |
424 | |
490 | |
425 | anfds [fd].reify = 1; |
491 | anfds [fd].reify = 1; |
426 | |
492 | |
427 | ++fdchangecnt; |
493 | ++fdchangecnt; |
428 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
494 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
429 | fdchanges [fdchangecnt - 1] = fd; |
495 | fdchanges [fdchangecnt - 1] = fd; |
430 | } |
496 | } |
431 | |
497 | |
432 | static void |
498 | void inline_speed |
433 | fd_kill (EV_P_ int fd) |
499 | fd_kill (EV_P_ int fd) |
434 | { |
500 | { |
435 | struct ev_io *w; |
501 | ev_io *w; |
436 | |
502 | |
437 | while ((w = (struct ev_io *)anfds [fd].head)) |
503 | while ((w = (ev_io *)anfds [fd].head)) |
438 | { |
504 | { |
439 | ev_io_stop (EV_A_ w); |
505 | ev_io_stop (EV_A_ w); |
440 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
506 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
441 | } |
507 | } |
442 | } |
508 | } |
443 | |
509 | |
444 | static int |
510 | int inline_size |
445 | fd_valid (int fd) |
511 | fd_valid (int fd) |
446 | { |
512 | { |
447 | #ifdef WIN32 |
513 | #ifdef _WIN32 |
448 | return !!win32_get_osfhandle (fd); |
514 | return _get_osfhandle (fd) != -1; |
449 | #else |
515 | #else |
450 | return fcntl (fd, F_GETFD) != -1; |
516 | return fcntl (fd, F_GETFD) != -1; |
451 | #endif |
517 | #endif |
452 | } |
518 | } |
453 | |
519 | |
454 | /* called on EBADF to verify fds */ |
520 | /* called on EBADF to verify fds */ |
455 | static void |
521 | static void noinline |
456 | fd_ebadf (EV_P) |
522 | fd_ebadf (EV_P) |
457 | { |
523 | { |
458 | int fd; |
524 | int fd; |
459 | |
525 | |
460 | for (fd = 0; fd < anfdmax; ++fd) |
526 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
462 | if (!fd_valid (fd) == -1 && errno == EBADF) |
528 | if (!fd_valid (fd) == -1 && errno == EBADF) |
463 | fd_kill (EV_A_ fd); |
529 | fd_kill (EV_A_ fd); |
464 | } |
530 | } |
465 | |
531 | |
466 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
532 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
467 | static void |
533 | static void noinline |
468 | fd_enomem (EV_P) |
534 | fd_enomem (EV_P) |
469 | { |
535 | { |
470 | int fd; |
536 | int fd; |
471 | |
537 | |
472 | for (fd = anfdmax; fd--; ) |
538 | for (fd = anfdmax; fd--; ) |
… | |
… | |
475 | fd_kill (EV_A_ fd); |
541 | fd_kill (EV_A_ fd); |
476 | return; |
542 | return; |
477 | } |
543 | } |
478 | } |
544 | } |
479 | |
545 | |
480 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
546 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
481 | static void |
547 | static void noinline |
482 | fd_rearm_all (EV_P) |
548 | fd_rearm_all (EV_P) |
483 | { |
549 | { |
484 | int fd; |
550 | int fd; |
485 | |
551 | |
486 | /* this should be highly optimised to not do anything but set a flag */ |
552 | /* this should be highly optimised to not do anything but set a flag */ |
… | |
… | |
492 | } |
558 | } |
493 | } |
559 | } |
494 | |
560 | |
495 | /*****************************************************************************/ |
561 | /*****************************************************************************/ |
496 | |
562 | |
497 | static void |
563 | void inline_speed |
498 | upheap (WT *heap, int k) |
564 | upheap (WT *heap, int k) |
499 | { |
565 | { |
500 | WT w = heap [k]; |
566 | WT w = heap [k]; |
501 | |
567 | |
502 | while (k && heap [k >> 1]->at > w->at) |
568 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
509 | heap [k] = w; |
575 | heap [k] = w; |
510 | ((W)heap [k])->active = k + 1; |
576 | ((W)heap [k])->active = k + 1; |
511 | |
577 | |
512 | } |
578 | } |
513 | |
579 | |
514 | static void |
580 | void inline_speed |
515 | downheap (WT *heap, int N, int k) |
581 | downheap (WT *heap, int N, int k) |
516 | { |
582 | { |
517 | WT w = heap [k]; |
583 | WT w = heap [k]; |
518 | |
584 | |
519 | while (k < (N >> 1)) |
585 | while (k < (N >> 1)) |
… | |
… | |
533 | |
599 | |
534 | heap [k] = w; |
600 | heap [k] = w; |
535 | ((W)heap [k])->active = k + 1; |
601 | ((W)heap [k])->active = k + 1; |
536 | } |
602 | } |
537 | |
603 | |
538 | inline void |
604 | void inline_size |
539 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
605 | adjustheap (WT *heap, int N, int k) |
540 | { |
606 | { |
541 | ev_tstamp old_at = heap [k]->at; |
607 | upheap (heap, k); |
542 | heap [k]->at = at; |
|
|
543 | |
|
|
544 | if (old_at < at) |
|
|
545 | downheap (heap, N, k); |
608 | downheap (heap, N, k); |
546 | else |
|
|
547 | upheap (heap, k); |
|
|
548 | } |
609 | } |
549 | |
610 | |
550 | /*****************************************************************************/ |
611 | /*****************************************************************************/ |
551 | |
612 | |
552 | typedef struct |
613 | typedef struct |
… | |
… | |
558 | static ANSIG *signals; |
619 | static ANSIG *signals; |
559 | static int signalmax; |
620 | static int signalmax; |
560 | |
621 | |
561 | static int sigpipe [2]; |
622 | static int sigpipe [2]; |
562 | static sig_atomic_t volatile gotsig; |
623 | static sig_atomic_t volatile gotsig; |
563 | static struct ev_io sigev; |
624 | static ev_io sigev; |
564 | |
625 | |
565 | static void |
626 | void inline_size |
566 | signals_init (ANSIG *base, int count) |
627 | signals_init (ANSIG *base, int count) |
567 | { |
628 | { |
568 | while (count--) |
629 | while (count--) |
569 | { |
630 | { |
570 | base->head = 0; |
631 | base->head = 0; |
… | |
… | |
575 | } |
636 | } |
576 | |
637 | |
577 | static void |
638 | static void |
578 | sighandler (int signum) |
639 | sighandler (int signum) |
579 | { |
640 | { |
580 | #if WIN32 |
641 | #if _WIN32 |
581 | signal (signum, sighandler); |
642 | signal (signum, sighandler); |
582 | #endif |
643 | #endif |
583 | |
644 | |
584 | signals [signum - 1].gotsig = 1; |
645 | signals [signum - 1].gotsig = 1; |
585 | |
646 | |
586 | if (!gotsig) |
647 | if (!gotsig) |
587 | { |
648 | { |
588 | int old_errno = errno; |
649 | int old_errno = errno; |
589 | gotsig = 1; |
650 | gotsig = 1; |
590 | #ifdef WIN32 |
|
|
591 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
592 | #else |
|
|
593 | write (sigpipe [1], &signum, 1); |
651 | write (sigpipe [1], &signum, 1); |
594 | #endif |
|
|
595 | errno = old_errno; |
652 | errno = old_errno; |
596 | } |
653 | } |
597 | } |
654 | } |
598 | |
655 | |
599 | void |
656 | void noinline |
600 | ev_feed_signal_event (EV_P_ int signum) |
657 | ev_feed_signal_event (EV_P_ int signum) |
601 | { |
658 | { |
602 | WL w; |
659 | WL w; |
603 | |
660 | |
604 | #if EV_MULTIPLICITY |
661 | #if EV_MULTIPLICITY |
605 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
662 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
606 | #endif |
663 | #endif |
607 | |
664 | |
608 | --signum; |
665 | --signum; |
609 | |
666 | |
610 | if (signum < 0 || signum >= signalmax) |
667 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
615 | for (w = signals [signum].head; w; w = w->next) |
672 | for (w = signals [signum].head; w; w = w->next) |
616 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
673 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
617 | } |
674 | } |
618 | |
675 | |
619 | static void |
676 | static void |
620 | sigcb (EV_P_ struct ev_io *iow, int revents) |
677 | sigcb (EV_P_ ev_io *iow, int revents) |
621 | { |
678 | { |
622 | int signum; |
679 | int signum; |
623 | |
680 | |
624 | #ifdef WIN32 |
|
|
625 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
626 | #else |
|
|
627 | read (sigpipe [0], &revents, 1); |
681 | read (sigpipe [0], &revents, 1); |
628 | #endif |
|
|
629 | gotsig = 0; |
682 | gotsig = 0; |
630 | |
683 | |
631 | for (signum = signalmax; signum--; ) |
684 | for (signum = signalmax; signum--; ) |
632 | if (signals [signum].gotsig) |
685 | if (signals [signum].gotsig) |
633 | ev_feed_signal_event (EV_A_ signum + 1); |
686 | ev_feed_signal_event (EV_A_ signum + 1); |
634 | } |
687 | } |
635 | |
688 | |
636 | static void |
689 | void inline_size |
|
|
690 | fd_intern (int fd) |
|
|
691 | { |
|
|
692 | #ifdef _WIN32 |
|
|
693 | int arg = 1; |
|
|
694 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
695 | #else |
|
|
696 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
697 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
698 | #endif |
|
|
699 | } |
|
|
700 | |
|
|
701 | static void noinline |
637 | siginit (EV_P) |
702 | siginit (EV_P) |
638 | { |
703 | { |
639 | #ifndef WIN32 |
704 | fd_intern (sigpipe [0]); |
640 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
705 | fd_intern (sigpipe [1]); |
641 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
642 | |
|
|
643 | /* rather than sort out wether we really need nb, set it */ |
|
|
644 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
645 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
646 | #endif |
|
|
647 | |
706 | |
648 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
707 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
649 | ev_io_start (EV_A_ &sigev); |
708 | ev_io_start (EV_A_ &sigev); |
650 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
709 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
651 | } |
710 | } |
652 | |
711 | |
653 | /*****************************************************************************/ |
712 | /*****************************************************************************/ |
654 | |
713 | |
655 | static struct ev_child *childs [PID_HASHSIZE]; |
714 | static ev_child *childs [PID_HASHSIZE]; |
656 | |
715 | |
657 | #ifndef WIN32 |
716 | #ifndef _WIN32 |
658 | |
717 | |
659 | static struct ev_signal childev; |
718 | static ev_signal childev; |
660 | |
719 | |
661 | #ifndef WCONTINUED |
720 | #ifndef WCONTINUED |
662 | # define WCONTINUED 0 |
721 | # define WCONTINUED 0 |
663 | #endif |
722 | #endif |
664 | |
723 | |
665 | static void |
724 | void inline_speed |
666 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
725 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
667 | { |
726 | { |
668 | struct ev_child *w; |
727 | ev_child *w; |
669 | |
728 | |
670 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
729 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
671 | if (w->pid == pid || !w->pid) |
730 | if (w->pid == pid || !w->pid) |
672 | { |
731 | { |
673 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
732 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
674 | w->rpid = pid; |
733 | w->rpid = pid; |
675 | w->rstatus = status; |
734 | w->rstatus = status; |
676 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
735 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
677 | } |
736 | } |
678 | } |
737 | } |
679 | |
738 | |
680 | static void |
739 | static void |
681 | childcb (EV_P_ struct ev_signal *sw, int revents) |
740 | childcb (EV_P_ ev_signal *sw, int revents) |
682 | { |
741 | { |
683 | int pid, status; |
742 | int pid, status; |
684 | |
743 | |
685 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
744 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
686 | { |
745 | { |
687 | /* make sure we are called again until all childs have been reaped */ |
746 | /* make sure we are called again until all childs have been reaped */ |
|
|
747 | /* we need to do it this way so that the callback gets called before we continue */ |
688 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
748 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
689 | |
749 | |
690 | child_reap (EV_A_ sw, pid, pid, status); |
750 | child_reap (EV_A_ sw, pid, pid, status); |
691 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
751 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
692 | } |
752 | } |
693 | } |
753 | } |
694 | |
754 | |
695 | #endif |
755 | #endif |
696 | |
756 | |
697 | /*****************************************************************************/ |
757 | /*****************************************************************************/ |
698 | |
758 | |
|
|
759 | #if EV_USE_PORT |
|
|
760 | # include "ev_port.c" |
|
|
761 | #endif |
699 | #if EV_USE_KQUEUE |
762 | #if EV_USE_KQUEUE |
700 | # include "ev_kqueue.c" |
763 | # include "ev_kqueue.c" |
701 | #endif |
764 | #endif |
702 | #if EV_USE_EPOLL |
765 | #if EV_USE_EPOLL |
703 | # include "ev_epoll.c" |
766 | # include "ev_epoll.c" |
… | |
… | |
720 | { |
783 | { |
721 | return EV_VERSION_MINOR; |
784 | return EV_VERSION_MINOR; |
722 | } |
785 | } |
723 | |
786 | |
724 | /* return true if we are running with elevated privileges and should ignore env variables */ |
787 | /* return true if we are running with elevated privileges and should ignore env variables */ |
725 | static int |
788 | int inline_size |
726 | enable_secure (void) |
789 | enable_secure (void) |
727 | { |
790 | { |
728 | #ifdef WIN32 |
791 | #ifdef _WIN32 |
729 | return 0; |
792 | return 0; |
730 | #else |
793 | #else |
731 | return getuid () != geteuid () |
794 | return getuid () != geteuid () |
732 | || getgid () != getegid (); |
795 | || getgid () != getegid (); |
733 | #endif |
796 | #endif |
734 | } |
797 | } |
735 | |
798 | |
736 | int |
799 | unsigned int |
737 | ev_method (EV_P) |
800 | ev_supported_backends (void) |
738 | { |
801 | { |
739 | return method; |
802 | unsigned int flags = 0; |
|
|
803 | |
|
|
804 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
805 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
806 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
807 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
808 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
809 | |
|
|
810 | return flags; |
|
|
811 | } |
|
|
812 | |
|
|
813 | unsigned int |
|
|
814 | ev_recommended_backends (void) |
|
|
815 | { |
|
|
816 | unsigned int flags = ev_supported_backends (); |
|
|
817 | |
|
|
818 | #ifndef __NetBSD__ |
|
|
819 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
820 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
821 | flags &= ~EVBACKEND_KQUEUE; |
|
|
822 | #endif |
|
|
823 | #ifdef __APPLE__ |
|
|
824 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
825 | flags &= ~EVBACKEND_POLL; |
|
|
826 | #endif |
|
|
827 | |
|
|
828 | return flags; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_embeddable_backends (void) |
|
|
833 | { |
|
|
834 | return EVBACKEND_EPOLL |
|
|
835 | | EVBACKEND_KQUEUE |
|
|
836 | | EVBACKEND_PORT; |
|
|
837 | } |
|
|
838 | |
|
|
839 | unsigned int |
|
|
840 | ev_backend (EV_P) |
|
|
841 | { |
|
|
842 | return backend; |
740 | } |
843 | } |
741 | |
844 | |
742 | static void |
845 | static void |
743 | loop_init (EV_P_ int methods) |
846 | loop_init (EV_P_ unsigned int flags) |
744 | { |
847 | { |
745 | if (!method) |
848 | if (!backend) |
746 | { |
849 | { |
747 | #if EV_USE_MONOTONIC |
850 | #if EV_USE_MONOTONIC |
748 | { |
851 | { |
749 | struct timespec ts; |
852 | struct timespec ts; |
750 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
853 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
755 | ev_rt_now = ev_time (); |
858 | ev_rt_now = ev_time (); |
756 | mn_now = get_clock (); |
859 | mn_now = get_clock (); |
757 | now_floor = mn_now; |
860 | now_floor = mn_now; |
758 | rtmn_diff = ev_rt_now - mn_now; |
861 | rtmn_diff = ev_rt_now - mn_now; |
759 | |
862 | |
760 | if (methods == EVMETHOD_AUTO) |
863 | if (!(flags & EVFLAG_NOENV) |
761 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
864 | && !enable_secure () |
|
|
865 | && getenv ("LIBEV_FLAGS")) |
762 | methods = atoi (getenv ("LIBEV_METHODS")); |
866 | flags = atoi (getenv ("LIBEV_FLAGS")); |
763 | else |
|
|
764 | methods = EVMETHOD_ANY; |
|
|
765 | |
867 | |
766 | method = 0; |
868 | if (!(flags & 0x0000ffffUL)) |
767 | #if EV_USE_WIN32 |
869 | flags |= ev_recommended_backends (); |
768 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
870 | |
|
|
871 | backend = 0; |
|
|
872 | #if EV_USE_PORT |
|
|
873 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
769 | #endif |
874 | #endif |
770 | #if EV_USE_KQUEUE |
875 | #if EV_USE_KQUEUE |
771 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
876 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
772 | #endif |
877 | #endif |
773 | #if EV_USE_EPOLL |
878 | #if EV_USE_EPOLL |
774 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
879 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
775 | #endif |
880 | #endif |
776 | #if EV_USE_POLL |
881 | #if EV_USE_POLL |
777 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
882 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
778 | #endif |
883 | #endif |
779 | #if EV_USE_SELECT |
884 | #if EV_USE_SELECT |
780 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
885 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
781 | #endif |
886 | #endif |
782 | |
887 | |
783 | ev_init (&sigev, sigcb); |
888 | ev_init (&sigev, sigcb); |
784 | ev_set_priority (&sigev, EV_MAXPRI); |
889 | ev_set_priority (&sigev, EV_MAXPRI); |
785 | } |
890 | } |
786 | } |
891 | } |
787 | |
892 | |
788 | void |
893 | static void |
789 | loop_destroy (EV_P) |
894 | loop_destroy (EV_P) |
790 | { |
895 | { |
791 | int i; |
896 | int i; |
792 | |
897 | |
793 | #if EV_USE_WIN32 |
898 | #if EV_USE_PORT |
794 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
899 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
795 | #endif |
900 | #endif |
796 | #if EV_USE_KQUEUE |
901 | #if EV_USE_KQUEUE |
797 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
902 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
798 | #endif |
903 | #endif |
799 | #if EV_USE_EPOLL |
904 | #if EV_USE_EPOLL |
800 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
905 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
801 | #endif |
906 | #endif |
802 | #if EV_USE_POLL |
907 | #if EV_USE_POLL |
803 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
908 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
804 | #endif |
909 | #endif |
805 | #if EV_USE_SELECT |
910 | #if EV_USE_SELECT |
806 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
911 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
807 | #endif |
912 | #endif |
808 | |
913 | |
809 | for (i = NUMPRI; i--; ) |
914 | for (i = NUMPRI; i--; ) |
810 | array_free (pending, [i]); |
915 | array_free (pending, [i]); |
811 | |
916 | |
812 | /* have to use the microsoft-never-gets-it-right macro */ |
917 | /* have to use the microsoft-never-gets-it-right macro */ |
813 | array_free_microshit (fdchange); |
918 | array_free (fdchange, EMPTY0); |
814 | array_free_microshit (timer); |
919 | array_free (timer, EMPTY0); |
815 | #if EV_PERIODICS |
920 | #if EV_PERIODIC_ENABLE |
816 | array_free_microshit (periodic); |
921 | array_free (periodic, EMPTY0); |
817 | #endif |
922 | #endif |
818 | array_free_microshit (idle); |
923 | array_free (idle, EMPTY0); |
819 | array_free_microshit (prepare); |
924 | array_free (prepare, EMPTY0); |
820 | array_free_microshit (check); |
925 | array_free (check, EMPTY0); |
821 | |
926 | |
822 | method = 0; |
927 | backend = 0; |
823 | } |
928 | } |
824 | |
929 | |
825 | static void |
930 | static void |
826 | loop_fork (EV_P) |
931 | loop_fork (EV_P) |
827 | { |
932 | { |
|
|
933 | #if EV_USE_PORT |
|
|
934 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
935 | #endif |
|
|
936 | #if EV_USE_KQUEUE |
|
|
937 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
938 | #endif |
828 | #if EV_USE_EPOLL |
939 | #if EV_USE_EPOLL |
829 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
940 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
830 | #endif |
|
|
831 | #if EV_USE_KQUEUE |
|
|
832 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
833 | #endif |
941 | #endif |
834 | |
942 | |
835 | if (ev_is_active (&sigev)) |
943 | if (ev_is_active (&sigev)) |
836 | { |
944 | { |
837 | /* default loop */ |
945 | /* default loop */ |
… | |
… | |
850 | postfork = 0; |
958 | postfork = 0; |
851 | } |
959 | } |
852 | |
960 | |
853 | #if EV_MULTIPLICITY |
961 | #if EV_MULTIPLICITY |
854 | struct ev_loop * |
962 | struct ev_loop * |
855 | ev_loop_new (int methods) |
963 | ev_loop_new (unsigned int flags) |
856 | { |
964 | { |
857 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
965 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
858 | |
966 | |
859 | memset (loop, 0, sizeof (struct ev_loop)); |
967 | memset (loop, 0, sizeof (struct ev_loop)); |
860 | |
968 | |
861 | loop_init (EV_A_ methods); |
969 | loop_init (EV_A_ flags); |
862 | |
970 | |
863 | if (ev_method (EV_A)) |
971 | if (ev_backend (EV_A)) |
864 | return loop; |
972 | return loop; |
865 | |
973 | |
866 | return 0; |
974 | return 0; |
867 | } |
975 | } |
868 | |
976 | |
… | |
… | |
881 | |
989 | |
882 | #endif |
990 | #endif |
883 | |
991 | |
884 | #if EV_MULTIPLICITY |
992 | #if EV_MULTIPLICITY |
885 | struct ev_loop * |
993 | struct ev_loop * |
|
|
994 | ev_default_loop_init (unsigned int flags) |
886 | #else |
995 | #else |
887 | int |
996 | int |
|
|
997 | ev_default_loop (unsigned int flags) |
888 | #endif |
998 | #endif |
889 | ev_default_loop (int methods) |
|
|
890 | { |
999 | { |
891 | if (sigpipe [0] == sigpipe [1]) |
1000 | if (sigpipe [0] == sigpipe [1]) |
892 | if (pipe (sigpipe)) |
1001 | if (pipe (sigpipe)) |
893 | return 0; |
1002 | return 0; |
894 | |
1003 | |
895 | if (!default_loop) |
1004 | if (!ev_default_loop_ptr) |
896 | { |
1005 | { |
897 | #if EV_MULTIPLICITY |
1006 | #if EV_MULTIPLICITY |
898 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1007 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
899 | #else |
1008 | #else |
900 | default_loop = 1; |
1009 | ev_default_loop_ptr = 1; |
901 | #endif |
1010 | #endif |
902 | |
1011 | |
903 | loop_init (EV_A_ methods); |
1012 | loop_init (EV_A_ flags); |
904 | |
1013 | |
905 | if (ev_method (EV_A)) |
1014 | if (ev_backend (EV_A)) |
906 | { |
1015 | { |
907 | siginit (EV_A); |
1016 | siginit (EV_A); |
908 | |
1017 | |
909 | #ifndef WIN32 |
1018 | #ifndef _WIN32 |
910 | ev_signal_init (&childev, childcb, SIGCHLD); |
1019 | ev_signal_init (&childev, childcb, SIGCHLD); |
911 | ev_set_priority (&childev, EV_MAXPRI); |
1020 | ev_set_priority (&childev, EV_MAXPRI); |
912 | ev_signal_start (EV_A_ &childev); |
1021 | ev_signal_start (EV_A_ &childev); |
913 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1022 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
914 | #endif |
1023 | #endif |
915 | } |
1024 | } |
916 | else |
1025 | else |
917 | default_loop = 0; |
1026 | ev_default_loop_ptr = 0; |
918 | } |
1027 | } |
919 | |
1028 | |
920 | return default_loop; |
1029 | return ev_default_loop_ptr; |
921 | } |
1030 | } |
922 | |
1031 | |
923 | void |
1032 | void |
924 | ev_default_destroy (void) |
1033 | ev_default_destroy (void) |
925 | { |
1034 | { |
926 | #if EV_MULTIPLICITY |
1035 | #if EV_MULTIPLICITY |
927 | struct ev_loop *loop = default_loop; |
1036 | struct ev_loop *loop = ev_default_loop_ptr; |
928 | #endif |
1037 | #endif |
929 | |
1038 | |
930 | #ifndef WIN32 |
1039 | #ifndef _WIN32 |
931 | ev_ref (EV_A); /* child watcher */ |
1040 | ev_ref (EV_A); /* child watcher */ |
932 | ev_signal_stop (EV_A_ &childev); |
1041 | ev_signal_stop (EV_A_ &childev); |
933 | #endif |
1042 | #endif |
934 | |
1043 | |
935 | ev_ref (EV_A); /* signal watcher */ |
1044 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
943 | |
1052 | |
944 | void |
1053 | void |
945 | ev_default_fork (void) |
1054 | ev_default_fork (void) |
946 | { |
1055 | { |
947 | #if EV_MULTIPLICITY |
1056 | #if EV_MULTIPLICITY |
948 | struct ev_loop *loop = default_loop; |
1057 | struct ev_loop *loop = ev_default_loop_ptr; |
949 | #endif |
1058 | #endif |
950 | |
1059 | |
951 | if (method) |
1060 | if (backend) |
952 | postfork = 1; |
1061 | postfork = 1; |
953 | } |
1062 | } |
954 | |
1063 | |
955 | /*****************************************************************************/ |
1064 | /*****************************************************************************/ |
956 | |
1065 | |
957 | static int |
1066 | int inline_size |
958 | any_pending (EV_P) |
1067 | any_pending (EV_P) |
959 | { |
1068 | { |
960 | int pri; |
1069 | int pri; |
961 | |
1070 | |
962 | for (pri = NUMPRI; pri--; ) |
1071 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
964 | return 1; |
1073 | return 1; |
965 | |
1074 | |
966 | return 0; |
1075 | return 0; |
967 | } |
1076 | } |
968 | |
1077 | |
969 | static void |
1078 | void inline_speed |
970 | call_pending (EV_P) |
1079 | call_pending (EV_P) |
971 | { |
1080 | { |
972 | int pri; |
1081 | int pri; |
973 | |
1082 | |
974 | for (pri = NUMPRI; pri--; ) |
1083 | for (pri = NUMPRI; pri--; ) |
975 | while (pendingcnt [pri]) |
1084 | while (pendingcnt [pri]) |
976 | { |
1085 | { |
977 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1086 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
978 | |
1087 | |
979 | if (p->w) |
1088 | if (expect_true (p->w)) |
980 | { |
1089 | { |
|
|
1090 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1091 | |
981 | p->w->pending = 0; |
1092 | p->w->pending = 0; |
982 | EV_CB_INVOKE (p->w, p->events); |
1093 | EV_CB_INVOKE (p->w, p->events); |
983 | } |
1094 | } |
984 | } |
1095 | } |
985 | } |
1096 | } |
986 | |
1097 | |
987 | static void |
1098 | void inline_size |
988 | timers_reify (EV_P) |
1099 | timers_reify (EV_P) |
989 | { |
1100 | { |
990 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1101 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
991 | { |
1102 | { |
992 | struct ev_timer *w = timers [0]; |
1103 | ev_timer *w = timers [0]; |
993 | |
1104 | |
994 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1105 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
995 | |
1106 | |
996 | /* first reschedule or stop timer */ |
1107 | /* first reschedule or stop timer */ |
997 | if (w->repeat) |
1108 | if (w->repeat) |
… | |
… | |
1009 | |
1120 | |
1010 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1121 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1011 | } |
1122 | } |
1012 | } |
1123 | } |
1013 | |
1124 | |
1014 | #if EV_PERIODICS |
1125 | #if EV_PERIODIC_ENABLE |
1015 | static void |
1126 | void inline_size |
1016 | periodics_reify (EV_P) |
1127 | periodics_reify (EV_P) |
1017 | { |
1128 | { |
1018 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1129 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1019 | { |
1130 | { |
1020 | struct ev_periodic *w = periodics [0]; |
1131 | ev_periodic *w = periodics [0]; |
1021 | |
1132 | |
1022 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1133 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1023 | |
1134 | |
1024 | /* first reschedule or stop timer */ |
1135 | /* first reschedule or stop timer */ |
1025 | if (w->reschedule_cb) |
1136 | if (w->reschedule_cb) |
1026 | { |
1137 | { |
1027 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1138 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1028 | |
|
|
1029 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1139 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1030 | downheap ((WT *)periodics, periodiccnt, 0); |
1140 | downheap ((WT *)periodics, periodiccnt, 0); |
1031 | } |
1141 | } |
1032 | else if (w->interval) |
1142 | else if (w->interval) |
1033 | { |
1143 | { |
… | |
… | |
1040 | |
1150 | |
1041 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1151 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1042 | } |
1152 | } |
1043 | } |
1153 | } |
1044 | |
1154 | |
1045 | static void |
1155 | static void noinline |
1046 | periodics_reschedule (EV_P) |
1156 | periodics_reschedule (EV_P) |
1047 | { |
1157 | { |
1048 | int i; |
1158 | int i; |
1049 | |
1159 | |
1050 | /* adjust periodics after time jump */ |
1160 | /* adjust periodics after time jump */ |
1051 | for (i = 0; i < periodiccnt; ++i) |
1161 | for (i = 0; i < periodiccnt; ++i) |
1052 | { |
1162 | { |
1053 | struct ev_periodic *w = periodics [i]; |
1163 | ev_periodic *w = periodics [i]; |
1054 | |
1164 | |
1055 | if (w->reschedule_cb) |
1165 | if (w->reschedule_cb) |
1056 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1166 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1057 | else if (w->interval) |
1167 | else if (w->interval) |
1058 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1168 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1062 | for (i = periodiccnt >> 1; i--; ) |
1172 | for (i = periodiccnt >> 1; i--; ) |
1063 | downheap ((WT *)periodics, periodiccnt, i); |
1173 | downheap ((WT *)periodics, periodiccnt, i); |
1064 | } |
1174 | } |
1065 | #endif |
1175 | #endif |
1066 | |
1176 | |
1067 | inline int |
1177 | int inline_size |
1068 | time_update_monotonic (EV_P) |
1178 | time_update_monotonic (EV_P) |
1069 | { |
1179 | { |
1070 | mn_now = get_clock (); |
1180 | mn_now = get_clock (); |
1071 | |
1181 | |
1072 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1182 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1080 | ev_rt_now = ev_time (); |
1190 | ev_rt_now = ev_time (); |
1081 | return 1; |
1191 | return 1; |
1082 | } |
1192 | } |
1083 | } |
1193 | } |
1084 | |
1194 | |
1085 | static void |
1195 | void inline_size |
1086 | time_update (EV_P) |
1196 | time_update (EV_P) |
1087 | { |
1197 | { |
1088 | int i; |
1198 | int i; |
1089 | |
1199 | |
1090 | #if EV_USE_MONOTONIC |
1200 | #if EV_USE_MONOTONIC |
… | |
… | |
1092 | { |
1202 | { |
1093 | if (time_update_monotonic (EV_A)) |
1203 | if (time_update_monotonic (EV_A)) |
1094 | { |
1204 | { |
1095 | ev_tstamp odiff = rtmn_diff; |
1205 | ev_tstamp odiff = rtmn_diff; |
1096 | |
1206 | |
1097 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1207 | /* loop a few times, before making important decisions. |
|
|
1208 | * on the choice of "4": one iteration isn't enough, |
|
|
1209 | * in case we get preempted during the calls to |
|
|
1210 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1211 | * to succeed in that case, though. and looping a few more times |
|
|
1212 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1213 | * in the unlikely event of getting preempted here. |
|
|
1214 | */ |
|
|
1215 | for (i = 4; --i; ) |
1098 | { |
1216 | { |
1099 | rtmn_diff = ev_rt_now - mn_now; |
1217 | rtmn_diff = ev_rt_now - mn_now; |
1100 | |
1218 | |
1101 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1219 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1102 | return; /* all is well */ |
1220 | return; /* all is well */ |
… | |
… | |
1104 | ev_rt_now = ev_time (); |
1222 | ev_rt_now = ev_time (); |
1105 | mn_now = get_clock (); |
1223 | mn_now = get_clock (); |
1106 | now_floor = mn_now; |
1224 | now_floor = mn_now; |
1107 | } |
1225 | } |
1108 | |
1226 | |
1109 | # if EV_PERIODICS |
1227 | # if EV_PERIODIC_ENABLE |
1110 | periodics_reschedule (EV_A); |
1228 | periodics_reschedule (EV_A); |
1111 | # endif |
1229 | # endif |
1112 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1230 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1113 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1231 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1114 | } |
1232 | } |
… | |
… | |
1118 | { |
1236 | { |
1119 | ev_rt_now = ev_time (); |
1237 | ev_rt_now = ev_time (); |
1120 | |
1238 | |
1121 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1239 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1122 | { |
1240 | { |
1123 | #if EV_PERIODICS |
1241 | #if EV_PERIODIC_ENABLE |
1124 | periodics_reschedule (EV_A); |
1242 | periodics_reschedule (EV_A); |
1125 | #endif |
1243 | #endif |
1126 | |
1244 | |
1127 | /* adjust timers. this is easy, as the offset is the same for all */ |
1245 | /* adjust timers. this is easy, as the offset is the same for all */ |
1128 | for (i = 0; i < timercnt; ++i) |
1246 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
1148 | static int loop_done; |
1266 | static int loop_done; |
1149 | |
1267 | |
1150 | void |
1268 | void |
1151 | ev_loop (EV_P_ int flags) |
1269 | ev_loop (EV_P_ int flags) |
1152 | { |
1270 | { |
1153 | double block; |
|
|
1154 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1271 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1272 | ? EVUNLOOP_ONE |
|
|
1273 | : EVUNLOOP_CANCEL; |
1155 | |
1274 | |
1156 | do |
1275 | while (activecnt) |
1157 | { |
1276 | { |
1158 | /* queue check watchers (and execute them) */ |
1277 | /* queue check watchers (and execute them) */ |
1159 | if (expect_false (preparecnt)) |
1278 | if (expect_false (preparecnt)) |
1160 | { |
1279 | { |
1161 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1280 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1168 | |
1287 | |
1169 | /* update fd-related kernel structures */ |
1288 | /* update fd-related kernel structures */ |
1170 | fd_reify (EV_A); |
1289 | fd_reify (EV_A); |
1171 | |
1290 | |
1172 | /* calculate blocking time */ |
1291 | /* calculate blocking time */ |
|
|
1292 | { |
|
|
1293 | double block; |
1173 | |
1294 | |
1174 | /* we only need this for !monotonic clock or timers, but as we basically |
1295 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1175 | always have timers, we just calculate it always */ |
1296 | block = 0.; /* do not block at all */ |
|
|
1297 | else |
|
|
1298 | { |
|
|
1299 | /* update time to cancel out callback processing overhead */ |
1176 | #if EV_USE_MONOTONIC |
1300 | #if EV_USE_MONOTONIC |
1177 | if (expect_true (have_monotonic)) |
1301 | if (expect_true (have_monotonic)) |
1178 | time_update_monotonic (EV_A); |
1302 | time_update_monotonic (EV_A); |
1179 | else |
1303 | else |
1180 | #endif |
1304 | #endif |
1181 | { |
1305 | { |
1182 | ev_rt_now = ev_time (); |
1306 | ev_rt_now = ev_time (); |
1183 | mn_now = ev_rt_now; |
1307 | mn_now = ev_rt_now; |
1184 | } |
1308 | } |
1185 | |
1309 | |
1186 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1187 | block = 0.; |
|
|
1188 | else |
|
|
1189 | { |
|
|
1190 | block = MAX_BLOCKTIME; |
1310 | block = MAX_BLOCKTIME; |
1191 | |
1311 | |
1192 | if (timercnt) |
1312 | if (timercnt) |
1193 | { |
1313 | { |
1194 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1314 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1195 | if (block > to) block = to; |
1315 | if (block > to) block = to; |
1196 | } |
1316 | } |
1197 | |
1317 | |
1198 | #if EV_PERIODICS |
1318 | #if EV_PERIODIC_ENABLE |
1199 | if (periodiccnt) |
1319 | if (periodiccnt) |
1200 | { |
1320 | { |
1201 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1321 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1202 | if (block > to) block = to; |
1322 | if (block > to) block = to; |
1203 | } |
1323 | } |
1204 | #endif |
1324 | #endif |
1205 | |
1325 | |
1206 | if (block < 0.) block = 0.; |
1326 | if (expect_false (block < 0.)) block = 0.; |
1207 | } |
1327 | } |
1208 | |
1328 | |
1209 | method_poll (EV_A_ block); |
1329 | backend_poll (EV_A_ block); |
|
|
1330 | } |
1210 | |
1331 | |
1211 | /* update ev_rt_now, do magic */ |
1332 | /* update ev_rt_now, do magic */ |
1212 | time_update (EV_A); |
1333 | time_update (EV_A); |
1213 | |
1334 | |
1214 | /* queue pending timers and reschedule them */ |
1335 | /* queue pending timers and reschedule them */ |
1215 | timers_reify (EV_A); /* relative timers called last */ |
1336 | timers_reify (EV_A); /* relative timers called last */ |
1216 | #if EV_PERIODICS |
1337 | #if EV_PERIODIC_ENABLE |
1217 | periodics_reify (EV_A); /* absolute timers called first */ |
1338 | periodics_reify (EV_A); /* absolute timers called first */ |
1218 | #endif |
1339 | #endif |
1219 | |
1340 | |
1220 | /* queue idle watchers unless io or timers are pending */ |
1341 | /* queue idle watchers unless other events are pending */ |
1221 | if (idlecnt && !any_pending (EV_A)) |
1342 | if (idlecnt && !any_pending (EV_A)) |
1222 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1343 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1223 | |
1344 | |
1224 | /* queue check watchers, to be executed first */ |
1345 | /* queue check watchers, to be executed first */ |
1225 | if (checkcnt) |
1346 | if (expect_false (checkcnt)) |
1226 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1347 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1227 | |
1348 | |
1228 | call_pending (EV_A); |
1349 | call_pending (EV_A); |
1229 | } |
|
|
1230 | while (activecnt && !loop_done); |
|
|
1231 | |
1350 | |
1232 | if (loop_done != 2) |
1351 | if (expect_false (loop_done)) |
1233 | loop_done = 0; |
1352 | break; |
|
|
1353 | } |
|
|
1354 | |
|
|
1355 | if (loop_done == EVUNLOOP_ONE) |
|
|
1356 | loop_done = EVUNLOOP_CANCEL; |
1234 | } |
1357 | } |
1235 | |
1358 | |
1236 | void |
1359 | void |
1237 | ev_unloop (EV_P_ int how) |
1360 | ev_unloop (EV_P_ int how) |
1238 | { |
1361 | { |
1239 | loop_done = how; |
1362 | loop_done = how; |
1240 | } |
1363 | } |
1241 | |
1364 | |
1242 | /*****************************************************************************/ |
1365 | /*****************************************************************************/ |
1243 | |
1366 | |
1244 | inline void |
1367 | void inline_size |
1245 | wlist_add (WL *head, WL elem) |
1368 | wlist_add (WL *head, WL elem) |
1246 | { |
1369 | { |
1247 | elem->next = *head; |
1370 | elem->next = *head; |
1248 | *head = elem; |
1371 | *head = elem; |
1249 | } |
1372 | } |
1250 | |
1373 | |
1251 | inline void |
1374 | void inline_size |
1252 | wlist_del (WL *head, WL elem) |
1375 | wlist_del (WL *head, WL elem) |
1253 | { |
1376 | { |
1254 | while (*head) |
1377 | while (*head) |
1255 | { |
1378 | { |
1256 | if (*head == elem) |
1379 | if (*head == elem) |
… | |
… | |
1261 | |
1384 | |
1262 | head = &(*head)->next; |
1385 | head = &(*head)->next; |
1263 | } |
1386 | } |
1264 | } |
1387 | } |
1265 | |
1388 | |
1266 | inline void |
1389 | void inline_speed |
1267 | ev_clear_pending (EV_P_ W w) |
1390 | ev_clear_pending (EV_P_ W w) |
1268 | { |
1391 | { |
1269 | if (w->pending) |
1392 | if (w->pending) |
1270 | { |
1393 | { |
1271 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1394 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1272 | w->pending = 0; |
1395 | w->pending = 0; |
1273 | } |
1396 | } |
1274 | } |
1397 | } |
1275 | |
1398 | |
1276 | inline void |
1399 | void inline_speed |
1277 | ev_start (EV_P_ W w, int active) |
1400 | ev_start (EV_P_ W w, int active) |
1278 | { |
1401 | { |
1279 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1402 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1280 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1403 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1281 | |
1404 | |
1282 | w->active = active; |
1405 | w->active = active; |
1283 | ev_ref (EV_A); |
1406 | ev_ref (EV_A); |
1284 | } |
1407 | } |
1285 | |
1408 | |
1286 | inline void |
1409 | void inline_size |
1287 | ev_stop (EV_P_ W w) |
1410 | ev_stop (EV_P_ W w) |
1288 | { |
1411 | { |
1289 | ev_unref (EV_A); |
1412 | ev_unref (EV_A); |
1290 | w->active = 0; |
1413 | w->active = 0; |
1291 | } |
1414 | } |
1292 | |
1415 | |
1293 | /*****************************************************************************/ |
1416 | /*****************************************************************************/ |
1294 | |
1417 | |
1295 | void |
1418 | void |
1296 | ev_io_start (EV_P_ struct ev_io *w) |
1419 | ev_io_start (EV_P_ ev_io *w) |
1297 | { |
1420 | { |
1298 | int fd = w->fd; |
1421 | int fd = w->fd; |
1299 | |
1422 | |
1300 | if (ev_is_active (w)) |
1423 | if (expect_false (ev_is_active (w))) |
1301 | return; |
1424 | return; |
1302 | |
1425 | |
1303 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1426 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1304 | |
1427 | |
1305 | ev_start (EV_A_ (W)w, 1); |
1428 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1308 | |
1431 | |
1309 | fd_change (EV_A_ fd); |
1432 | fd_change (EV_A_ fd); |
1310 | } |
1433 | } |
1311 | |
1434 | |
1312 | void |
1435 | void |
1313 | ev_io_stop (EV_P_ struct ev_io *w) |
1436 | ev_io_stop (EV_P_ ev_io *w) |
1314 | { |
1437 | { |
1315 | ev_clear_pending (EV_A_ (W)w); |
1438 | ev_clear_pending (EV_A_ (W)w); |
1316 | if (!ev_is_active (w)) |
1439 | if (expect_false (!ev_is_active (w))) |
1317 | return; |
1440 | return; |
1318 | |
1441 | |
1319 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1442 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1320 | |
1443 | |
1321 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1444 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1323 | |
1446 | |
1324 | fd_change (EV_A_ w->fd); |
1447 | fd_change (EV_A_ w->fd); |
1325 | } |
1448 | } |
1326 | |
1449 | |
1327 | void |
1450 | void |
1328 | ev_timer_start (EV_P_ struct ev_timer *w) |
1451 | ev_timer_start (EV_P_ ev_timer *w) |
1329 | { |
1452 | { |
1330 | if (ev_is_active (w)) |
1453 | if (expect_false (ev_is_active (w))) |
1331 | return; |
1454 | return; |
1332 | |
1455 | |
1333 | ((WT)w)->at += mn_now; |
1456 | ((WT)w)->at += mn_now; |
1334 | |
1457 | |
1335 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1458 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1336 | |
1459 | |
1337 | ev_start (EV_A_ (W)w, ++timercnt); |
1460 | ev_start (EV_A_ (W)w, ++timercnt); |
1338 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1461 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1339 | timers [timercnt - 1] = w; |
1462 | timers [timercnt - 1] = w; |
1340 | upheap ((WT *)timers, timercnt - 1); |
1463 | upheap ((WT *)timers, timercnt - 1); |
1341 | |
1464 | |
1342 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1465 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1343 | } |
1466 | } |
1344 | |
1467 | |
1345 | void |
1468 | void |
1346 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1469 | ev_timer_stop (EV_P_ ev_timer *w) |
1347 | { |
1470 | { |
1348 | ev_clear_pending (EV_A_ (W)w); |
1471 | ev_clear_pending (EV_A_ (W)w); |
1349 | if (!ev_is_active (w)) |
1472 | if (expect_false (!ev_is_active (w))) |
1350 | return; |
1473 | return; |
1351 | |
1474 | |
1352 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1475 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1353 | |
1476 | |
1354 | if (((W)w)->active < timercnt--) |
1477 | if (expect_true (((W)w)->active < timercnt--)) |
1355 | { |
1478 | { |
1356 | timers [((W)w)->active - 1] = timers [timercnt]; |
1479 | timers [((W)w)->active - 1] = timers [timercnt]; |
1357 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1480 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1358 | } |
1481 | } |
1359 | |
1482 | |
1360 | ((WT)w)->at -= mn_now; |
1483 | ((WT)w)->at -= mn_now; |
1361 | |
1484 | |
1362 | ev_stop (EV_A_ (W)w); |
1485 | ev_stop (EV_A_ (W)w); |
1363 | } |
1486 | } |
1364 | |
1487 | |
1365 | void |
1488 | void |
1366 | ev_timer_again (EV_P_ struct ev_timer *w) |
1489 | ev_timer_again (EV_P_ ev_timer *w) |
1367 | { |
1490 | { |
1368 | if (ev_is_active (w)) |
1491 | if (ev_is_active (w)) |
1369 | { |
1492 | { |
1370 | if (w->repeat) |
1493 | if (w->repeat) |
|
|
1494 | { |
|
|
1495 | ((WT)w)->at = mn_now + w->repeat; |
1371 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1496 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
|
|
1497 | } |
1372 | else |
1498 | else |
1373 | ev_timer_stop (EV_A_ w); |
1499 | ev_timer_stop (EV_A_ w); |
1374 | } |
1500 | } |
1375 | else if (w->repeat) |
1501 | else if (w->repeat) |
|
|
1502 | { |
|
|
1503 | w->at = w->repeat; |
1376 | ev_timer_start (EV_A_ w); |
1504 | ev_timer_start (EV_A_ w); |
|
|
1505 | } |
1377 | } |
1506 | } |
1378 | |
1507 | |
1379 | #if EV_PERIODICS |
1508 | #if EV_PERIODIC_ENABLE |
1380 | void |
1509 | void |
1381 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1510 | ev_periodic_start (EV_P_ ev_periodic *w) |
1382 | { |
1511 | { |
1383 | if (ev_is_active (w)) |
1512 | if (expect_false (ev_is_active (w))) |
1384 | return; |
1513 | return; |
1385 | |
1514 | |
1386 | if (w->reschedule_cb) |
1515 | if (w->reschedule_cb) |
1387 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1516 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1388 | else if (w->interval) |
1517 | else if (w->interval) |
… | |
… | |
1391 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1520 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1392 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1521 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1393 | } |
1522 | } |
1394 | |
1523 | |
1395 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1524 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1396 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1525 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1397 | periodics [periodiccnt - 1] = w; |
1526 | periodics [periodiccnt - 1] = w; |
1398 | upheap ((WT *)periodics, periodiccnt - 1); |
1527 | upheap ((WT *)periodics, periodiccnt - 1); |
1399 | |
1528 | |
1400 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1529 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1401 | } |
1530 | } |
1402 | |
1531 | |
1403 | void |
1532 | void |
1404 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1533 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1405 | { |
1534 | { |
1406 | ev_clear_pending (EV_A_ (W)w); |
1535 | ev_clear_pending (EV_A_ (W)w); |
1407 | if (!ev_is_active (w)) |
1536 | if (expect_false (!ev_is_active (w))) |
1408 | return; |
1537 | return; |
1409 | |
1538 | |
1410 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1539 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1411 | |
1540 | |
1412 | if (((W)w)->active < periodiccnt--) |
1541 | if (expect_true (((W)w)->active < periodiccnt--)) |
1413 | { |
1542 | { |
1414 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1543 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1415 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1544 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1416 | } |
1545 | } |
1417 | |
1546 | |
1418 | ev_stop (EV_A_ (W)w); |
1547 | ev_stop (EV_A_ (W)w); |
1419 | } |
1548 | } |
1420 | |
1549 | |
1421 | void |
1550 | void |
1422 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1551 | ev_periodic_again (EV_P_ ev_periodic *w) |
1423 | { |
1552 | { |
1424 | /* TODO: use adjustheap and recalculation */ |
1553 | /* TODO: use adjustheap and recalculation */ |
1425 | ev_periodic_stop (EV_A_ w); |
1554 | ev_periodic_stop (EV_A_ w); |
1426 | ev_periodic_start (EV_A_ w); |
1555 | ev_periodic_start (EV_A_ w); |
1427 | } |
1556 | } |
1428 | #endif |
1557 | #endif |
1429 | |
1558 | |
1430 | void |
1559 | void |
1431 | ev_idle_start (EV_P_ struct ev_idle *w) |
1560 | ev_idle_start (EV_P_ ev_idle *w) |
1432 | { |
1561 | { |
1433 | if (ev_is_active (w)) |
1562 | if (expect_false (ev_is_active (w))) |
1434 | return; |
1563 | return; |
1435 | |
1564 | |
1436 | ev_start (EV_A_ (W)w, ++idlecnt); |
1565 | ev_start (EV_A_ (W)w, ++idlecnt); |
1437 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1566 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1438 | idles [idlecnt - 1] = w; |
1567 | idles [idlecnt - 1] = w; |
1439 | } |
1568 | } |
1440 | |
1569 | |
1441 | void |
1570 | void |
1442 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1571 | ev_idle_stop (EV_P_ ev_idle *w) |
1443 | { |
1572 | { |
1444 | ev_clear_pending (EV_A_ (W)w); |
1573 | ev_clear_pending (EV_A_ (W)w); |
1445 | if (ev_is_active (w)) |
1574 | if (expect_false (!ev_is_active (w))) |
1446 | return; |
1575 | return; |
1447 | |
1576 | |
|
|
1577 | { |
|
|
1578 | int active = ((W)w)->active; |
1448 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1579 | idles [active - 1] = idles [--idlecnt]; |
|
|
1580 | ((W)idles [active - 1])->active = active; |
|
|
1581 | } |
|
|
1582 | |
1449 | ev_stop (EV_A_ (W)w); |
1583 | ev_stop (EV_A_ (W)w); |
1450 | } |
1584 | } |
1451 | |
1585 | |
1452 | void |
1586 | void |
1453 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1587 | ev_prepare_start (EV_P_ ev_prepare *w) |
1454 | { |
1588 | { |
1455 | if (ev_is_active (w)) |
1589 | if (expect_false (ev_is_active (w))) |
1456 | return; |
1590 | return; |
1457 | |
1591 | |
1458 | ev_start (EV_A_ (W)w, ++preparecnt); |
1592 | ev_start (EV_A_ (W)w, ++preparecnt); |
1459 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1593 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1460 | prepares [preparecnt - 1] = w; |
1594 | prepares [preparecnt - 1] = w; |
1461 | } |
1595 | } |
1462 | |
1596 | |
1463 | void |
1597 | void |
1464 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1598 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1465 | { |
1599 | { |
1466 | ev_clear_pending (EV_A_ (W)w); |
1600 | ev_clear_pending (EV_A_ (W)w); |
1467 | if (ev_is_active (w)) |
1601 | if (expect_false (!ev_is_active (w))) |
1468 | return; |
1602 | return; |
1469 | |
1603 | |
|
|
1604 | { |
|
|
1605 | int active = ((W)w)->active; |
1470 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1606 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1607 | ((W)prepares [active - 1])->active = active; |
|
|
1608 | } |
|
|
1609 | |
1471 | ev_stop (EV_A_ (W)w); |
1610 | ev_stop (EV_A_ (W)w); |
1472 | } |
1611 | } |
1473 | |
1612 | |
1474 | void |
1613 | void |
1475 | ev_check_start (EV_P_ struct ev_check *w) |
1614 | ev_check_start (EV_P_ ev_check *w) |
1476 | { |
1615 | { |
1477 | if (ev_is_active (w)) |
1616 | if (expect_false (ev_is_active (w))) |
1478 | return; |
1617 | return; |
1479 | |
1618 | |
1480 | ev_start (EV_A_ (W)w, ++checkcnt); |
1619 | ev_start (EV_A_ (W)w, ++checkcnt); |
1481 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1620 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1482 | checks [checkcnt - 1] = w; |
1621 | checks [checkcnt - 1] = w; |
1483 | } |
1622 | } |
1484 | |
1623 | |
1485 | void |
1624 | void |
1486 | ev_check_stop (EV_P_ struct ev_check *w) |
1625 | ev_check_stop (EV_P_ ev_check *w) |
1487 | { |
1626 | { |
1488 | ev_clear_pending (EV_A_ (W)w); |
1627 | ev_clear_pending (EV_A_ (W)w); |
1489 | if (!ev_is_active (w)) |
1628 | if (expect_false (!ev_is_active (w))) |
1490 | return; |
1629 | return; |
1491 | |
1630 | |
|
|
1631 | { |
|
|
1632 | int active = ((W)w)->active; |
1492 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1633 | checks [active - 1] = checks [--checkcnt]; |
|
|
1634 | ((W)checks [active - 1])->active = active; |
|
|
1635 | } |
|
|
1636 | |
1493 | ev_stop (EV_A_ (W)w); |
1637 | ev_stop (EV_A_ (W)w); |
1494 | } |
1638 | } |
1495 | |
1639 | |
1496 | #ifndef SA_RESTART |
1640 | #ifndef SA_RESTART |
1497 | # define SA_RESTART 0 |
1641 | # define SA_RESTART 0 |
1498 | #endif |
1642 | #endif |
1499 | |
1643 | |
1500 | void |
1644 | void |
1501 | ev_signal_start (EV_P_ struct ev_signal *w) |
1645 | ev_signal_start (EV_P_ ev_signal *w) |
1502 | { |
1646 | { |
1503 | #if EV_MULTIPLICITY |
1647 | #if EV_MULTIPLICITY |
1504 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1648 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1505 | #endif |
1649 | #endif |
1506 | if (ev_is_active (w)) |
1650 | if (expect_false (ev_is_active (w))) |
1507 | return; |
1651 | return; |
1508 | |
1652 | |
1509 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1653 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1510 | |
1654 | |
1511 | ev_start (EV_A_ (W)w, 1); |
1655 | ev_start (EV_A_ (W)w, 1); |
1512 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1656 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1513 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1657 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1514 | |
1658 | |
1515 | if (!((WL)w)->next) |
1659 | if (!((WL)w)->next) |
1516 | { |
1660 | { |
1517 | #if WIN32 |
1661 | #if _WIN32 |
1518 | signal (w->signum, sighandler); |
1662 | signal (w->signum, sighandler); |
1519 | #else |
1663 | #else |
1520 | struct sigaction sa; |
1664 | struct sigaction sa; |
1521 | sa.sa_handler = sighandler; |
1665 | sa.sa_handler = sighandler; |
1522 | sigfillset (&sa.sa_mask); |
1666 | sigfillset (&sa.sa_mask); |
… | |
… | |
1525 | #endif |
1669 | #endif |
1526 | } |
1670 | } |
1527 | } |
1671 | } |
1528 | |
1672 | |
1529 | void |
1673 | void |
1530 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1674 | ev_signal_stop (EV_P_ ev_signal *w) |
1531 | { |
1675 | { |
1532 | ev_clear_pending (EV_A_ (W)w); |
1676 | ev_clear_pending (EV_A_ (W)w); |
1533 | if (!ev_is_active (w)) |
1677 | if (expect_false (!ev_is_active (w))) |
1534 | return; |
1678 | return; |
1535 | |
1679 | |
1536 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1680 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1537 | ev_stop (EV_A_ (W)w); |
1681 | ev_stop (EV_A_ (W)w); |
1538 | |
1682 | |
1539 | if (!signals [w->signum - 1].head) |
1683 | if (!signals [w->signum - 1].head) |
1540 | signal (w->signum, SIG_DFL); |
1684 | signal (w->signum, SIG_DFL); |
1541 | } |
1685 | } |
1542 | |
1686 | |
1543 | void |
1687 | void |
1544 | ev_child_start (EV_P_ struct ev_child *w) |
1688 | ev_child_start (EV_P_ ev_child *w) |
1545 | { |
1689 | { |
1546 | #if EV_MULTIPLICITY |
1690 | #if EV_MULTIPLICITY |
1547 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1691 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1548 | #endif |
1692 | #endif |
1549 | if (ev_is_active (w)) |
1693 | if (expect_false (ev_is_active (w))) |
1550 | return; |
1694 | return; |
1551 | |
1695 | |
1552 | ev_start (EV_A_ (W)w, 1); |
1696 | ev_start (EV_A_ (W)w, 1); |
1553 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1697 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1554 | } |
1698 | } |
1555 | |
1699 | |
1556 | void |
1700 | void |
1557 | ev_child_stop (EV_P_ struct ev_child *w) |
1701 | ev_child_stop (EV_P_ ev_child *w) |
1558 | { |
1702 | { |
1559 | ev_clear_pending (EV_A_ (W)w); |
1703 | ev_clear_pending (EV_A_ (W)w); |
1560 | if (!ev_is_active (w)) |
1704 | if (expect_false (!ev_is_active (w))) |
1561 | return; |
1705 | return; |
1562 | |
1706 | |
1563 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1707 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1564 | ev_stop (EV_A_ (W)w); |
1708 | ev_stop (EV_A_ (W)w); |
1565 | } |
1709 | } |
1566 | |
1710 | |
|
|
1711 | #if EV_EMBED_ENABLE |
|
|
1712 | void noinline |
|
|
1713 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
1714 | { |
|
|
1715 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | static void |
|
|
1719 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1720 | { |
|
|
1721 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1722 | |
|
|
1723 | if (ev_cb (w)) |
|
|
1724 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1725 | else |
|
|
1726 | ev_embed_sweep (loop, w); |
|
|
1727 | } |
|
|
1728 | |
|
|
1729 | void |
|
|
1730 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1731 | { |
|
|
1732 | if (expect_false (ev_is_active (w))) |
|
|
1733 | return; |
|
|
1734 | |
|
|
1735 | { |
|
|
1736 | struct ev_loop *loop = w->loop; |
|
|
1737 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1738 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1739 | } |
|
|
1740 | |
|
|
1741 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1742 | ev_io_start (EV_A_ &w->io); |
|
|
1743 | |
|
|
1744 | ev_start (EV_A_ (W)w, 1); |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | void |
|
|
1748 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1749 | { |
|
|
1750 | ev_clear_pending (EV_A_ (W)w); |
|
|
1751 | if (expect_false (!ev_is_active (w))) |
|
|
1752 | return; |
|
|
1753 | |
|
|
1754 | ev_io_stop (EV_A_ &w->io); |
|
|
1755 | |
|
|
1756 | ev_stop (EV_A_ (W)w); |
|
|
1757 | } |
|
|
1758 | #endif |
|
|
1759 | |
|
|
1760 | #if EV_STAT_ENABLE |
|
|
1761 | |
|
|
1762 | # ifdef _WIN32 |
|
|
1763 | # define lstat(a,b) stat(a,b) |
|
|
1764 | # endif |
|
|
1765 | |
|
|
1766 | void |
|
|
1767 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1768 | { |
|
|
1769 | if (lstat (w->path, &w->attr) < 0) |
|
|
1770 | w->attr.st_nlink = 0; |
|
|
1771 | else if (!w->attr.st_nlink) |
|
|
1772 | w->attr.st_nlink = 1; |
|
|
1773 | } |
|
|
1774 | |
|
|
1775 | static void |
|
|
1776 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1777 | { |
|
|
1778 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1779 | |
|
|
1780 | /* we copy this here each the time so that */ |
|
|
1781 | /* prev has the old value when the callback gets invoked */ |
|
|
1782 | w->prev = w->attr; |
|
|
1783 | ev_stat_stat (EV_A_ w); |
|
|
1784 | |
|
|
1785 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1786 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1787 | } |
|
|
1788 | |
|
|
1789 | void |
|
|
1790 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1791 | { |
|
|
1792 | if (expect_false (ev_is_active (w))) |
|
|
1793 | return; |
|
|
1794 | |
|
|
1795 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1796 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1797 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1798 | |
|
|
1799 | ev_stat_stat (EV_A_ w); |
|
|
1800 | |
|
|
1801 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1802 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1803 | ev_timer_start (EV_A_ &w->timer); |
|
|
1804 | |
|
|
1805 | ev_start (EV_A_ (W)w, 1); |
|
|
1806 | } |
|
|
1807 | |
|
|
1808 | void |
|
|
1809 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1810 | { |
|
|
1811 | ev_clear_pending (EV_A_ (W)w); |
|
|
1812 | if (expect_false (!ev_is_active (w))) |
|
|
1813 | return; |
|
|
1814 | |
|
|
1815 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1816 | |
|
|
1817 | ev_stop (EV_A_ (W)w); |
|
|
1818 | } |
|
|
1819 | #endif |
|
|
1820 | |
1567 | /*****************************************************************************/ |
1821 | /*****************************************************************************/ |
1568 | |
1822 | |
1569 | struct ev_once |
1823 | struct ev_once |
1570 | { |
1824 | { |
1571 | struct ev_io io; |
1825 | ev_io io; |
1572 | struct ev_timer to; |
1826 | ev_timer to; |
1573 | void (*cb)(int revents, void *arg); |
1827 | void (*cb)(int revents, void *arg); |
1574 | void *arg; |
1828 | void *arg; |
1575 | }; |
1829 | }; |
1576 | |
1830 | |
1577 | static void |
1831 | static void |
… | |
… | |
1586 | |
1840 | |
1587 | cb (revents, arg); |
1841 | cb (revents, arg); |
1588 | } |
1842 | } |
1589 | |
1843 | |
1590 | static void |
1844 | static void |
1591 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1845 | once_cb_io (EV_P_ ev_io *w, int revents) |
1592 | { |
1846 | { |
1593 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1847 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1594 | } |
1848 | } |
1595 | |
1849 | |
1596 | static void |
1850 | static void |
1597 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1851 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1598 | { |
1852 | { |
1599 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1853 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1600 | } |
1854 | } |
1601 | |
1855 | |
1602 | void |
1856 | void |
1603 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1857 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1604 | { |
1858 | { |
1605 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1859 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1606 | |
1860 | |
1607 | if (!once) |
1861 | if (expect_false (!once)) |
|
|
1862 | { |
1608 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1863 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1609 | else |
1864 | return; |
1610 | { |
1865 | } |
|
|
1866 | |
1611 | once->cb = cb; |
1867 | once->cb = cb; |
1612 | once->arg = arg; |
1868 | once->arg = arg; |
1613 | |
1869 | |
1614 | ev_init (&once->io, once_cb_io); |
1870 | ev_init (&once->io, once_cb_io); |
1615 | if (fd >= 0) |
1871 | if (fd >= 0) |
1616 | { |
1872 | { |
1617 | ev_io_set (&once->io, fd, events); |
1873 | ev_io_set (&once->io, fd, events); |
1618 | ev_io_start (EV_A_ &once->io); |
1874 | ev_io_start (EV_A_ &once->io); |
1619 | } |
1875 | } |
1620 | |
1876 | |
1621 | ev_init (&once->to, once_cb_to); |
1877 | ev_init (&once->to, once_cb_to); |
1622 | if (timeout >= 0.) |
1878 | if (timeout >= 0.) |
1623 | { |
1879 | { |
1624 | ev_timer_set (&once->to, timeout, 0.); |
1880 | ev_timer_set (&once->to, timeout, 0.); |
1625 | ev_timer_start (EV_A_ &once->to); |
1881 | ev_timer_start (EV_A_ &once->to); |
1626 | } |
|
|
1627 | } |
1882 | } |
1628 | } |
1883 | } |
1629 | |
1884 | |
1630 | #ifdef __cplusplus |
1885 | #ifdef __cplusplus |
1631 | } |
1886 | } |