… | |
… | |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
|
|
31 | |
|
|
32 | #ifdef __cplusplus |
|
|
33 | extern "C" { |
|
|
34 | #endif |
|
|
35 | |
31 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
37 | # include "config.h" |
|
|
38 | |
|
|
39 | # if HAVE_CLOCK_GETTIME |
|
|
40 | # define EV_USE_MONOTONIC 1 |
|
|
41 | # define EV_USE_REALTIME 1 |
|
|
42 | # endif |
|
|
43 | |
|
|
44 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
45 | # define EV_USE_SELECT 1 |
|
|
46 | # endif |
|
|
47 | |
|
|
48 | # if HAVE_POLL && HAVE_POLL_H |
|
|
49 | # define EV_USE_POLL 1 |
|
|
50 | # endif |
|
|
51 | |
|
|
52 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
|
|
53 | # define EV_USE_EPOLL 1 |
|
|
54 | # endif |
|
|
55 | |
|
|
56 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
|
|
57 | # define EV_USE_KQUEUE 1 |
|
|
58 | # endif |
|
|
59 | |
33 | #endif |
60 | #endif |
34 | |
61 | |
35 | #include <math.h> |
62 | #include <math.h> |
36 | #include <stdlib.h> |
63 | #include <stdlib.h> |
37 | #include <unistd.h> |
|
|
38 | #include <fcntl.h> |
64 | #include <fcntl.h> |
39 | #include <signal.h> |
|
|
40 | #include <stddef.h> |
65 | #include <stddef.h> |
41 | |
66 | |
42 | #include <stdio.h> |
67 | #include <stdio.h> |
43 | |
68 | |
44 | #include <assert.h> |
69 | #include <assert.h> |
45 | #include <errno.h> |
70 | #include <errno.h> |
46 | #include <sys/types.h> |
71 | #include <sys/types.h> |
|
|
72 | #include <time.h> |
|
|
73 | |
|
|
74 | #include <signal.h> |
|
|
75 | |
47 | #ifndef WIN32 |
76 | #ifndef WIN32 |
|
|
77 | # include <unistd.h> |
|
|
78 | # include <sys/time.h> |
48 | # include <sys/wait.h> |
79 | # include <sys/wait.h> |
49 | #endif |
80 | #endif |
50 | #include <sys/time.h> |
|
|
51 | #include <time.h> |
|
|
52 | |
|
|
53 | /**/ |
81 | /**/ |
54 | |
82 | |
55 | #ifndef EV_USE_MONOTONIC |
83 | #ifndef EV_USE_MONOTONIC |
56 | # define EV_USE_MONOTONIC 1 |
84 | # define EV_USE_MONOTONIC 1 |
57 | #endif |
85 | #endif |
58 | |
86 | |
59 | #ifndef EV_USE_SELECT |
87 | #ifndef EV_USE_SELECT |
60 | # define EV_USE_SELECT 1 |
88 | # define EV_USE_SELECT 1 |
61 | #endif |
89 | #endif |
62 | |
90 | |
63 | #ifndef EV_USEV_POLL |
91 | #ifndef EV_USE_POLL |
64 | # define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ |
92 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
65 | #endif |
93 | #endif |
66 | |
94 | |
67 | #ifndef EV_USE_EPOLL |
95 | #ifndef EV_USE_EPOLL |
68 | # define EV_USE_EPOLL 0 |
96 | # define EV_USE_EPOLL 0 |
69 | #endif |
97 | #endif |
70 | |
98 | |
71 | #ifndef EV_USE_KQUEUE |
99 | #ifndef EV_USE_KQUEUE |
72 | # define EV_USE_KQUEUE 0 |
100 | # define EV_USE_KQUEUE 0 |
|
|
101 | #endif |
|
|
102 | |
|
|
103 | #ifndef EV_USE_WIN32 |
|
|
104 | # ifdef WIN32 |
|
|
105 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
106 | # undef EV_USE_SELECT |
|
|
107 | # define EV_USE_SELECT 1 |
|
|
108 | # else |
|
|
109 | # define EV_USE_WIN32 0 |
|
|
110 | # endif |
73 | #endif |
111 | #endif |
74 | |
112 | |
75 | #ifndef EV_USE_REALTIME |
113 | #ifndef EV_USE_REALTIME |
76 | # define EV_USE_REALTIME 1 |
114 | # define EV_USE_REALTIME 1 |
77 | #endif |
115 | #endif |
… | |
… | |
93 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
131 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
94 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
132 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
95 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
133 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
96 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
134 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
97 | |
135 | |
|
|
136 | #ifdef EV_H |
|
|
137 | # include EV_H |
|
|
138 | #else |
98 | #include "ev.h" |
139 | # include "ev.h" |
|
|
140 | #endif |
99 | |
141 | |
100 | #if __GNUC__ >= 3 |
142 | #if __GNUC__ >= 3 |
101 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
143 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
102 | # define inline inline |
144 | # define inline inline |
103 | #else |
145 | #else |
… | |
… | |
115 | typedef struct ev_watcher_list *WL; |
157 | typedef struct ev_watcher_list *WL; |
116 | typedef struct ev_watcher_time *WT; |
158 | typedef struct ev_watcher_time *WT; |
117 | |
159 | |
118 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
160 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
119 | |
161 | |
|
|
162 | #include "ev_win32.c" |
|
|
163 | |
120 | /*****************************************************************************/ |
164 | /*****************************************************************************/ |
121 | |
165 | |
|
|
166 | static void (*syserr_cb)(const char *msg); |
|
|
167 | |
|
|
168 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
169 | { |
|
|
170 | syserr_cb = cb; |
|
|
171 | } |
|
|
172 | |
|
|
173 | static void |
|
|
174 | syserr (const char *msg) |
|
|
175 | { |
|
|
176 | if (!msg) |
|
|
177 | msg = "(libev) system error"; |
|
|
178 | |
|
|
179 | if (syserr_cb) |
|
|
180 | syserr_cb (msg); |
|
|
181 | else |
|
|
182 | { |
|
|
183 | perror (msg); |
|
|
184 | abort (); |
|
|
185 | } |
|
|
186 | } |
|
|
187 | |
|
|
188 | static void *(*alloc)(void *ptr, long size); |
|
|
189 | |
|
|
190 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
191 | { |
|
|
192 | alloc = cb; |
|
|
193 | } |
|
|
194 | |
|
|
195 | static void * |
|
|
196 | ev_realloc (void *ptr, long size) |
|
|
197 | { |
|
|
198 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
199 | |
|
|
200 | if (!ptr && size) |
|
|
201 | { |
|
|
202 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
203 | abort (); |
|
|
204 | } |
|
|
205 | |
|
|
206 | return ptr; |
|
|
207 | } |
|
|
208 | |
|
|
209 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
210 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
211 | |
|
|
212 | /*****************************************************************************/ |
|
|
213 | |
122 | typedef struct |
214 | typedef struct |
123 | { |
215 | { |
124 | struct ev_watcher_list *head; |
216 | WL head; |
125 | unsigned char events; |
217 | unsigned char events; |
126 | unsigned char reify; |
218 | unsigned char reify; |
127 | } ANFD; |
219 | } ANFD; |
128 | |
220 | |
129 | typedef struct |
221 | typedef struct |
… | |
… | |
132 | int events; |
224 | int events; |
133 | } ANPENDING; |
225 | } ANPENDING; |
134 | |
226 | |
135 | #if EV_MULTIPLICITY |
227 | #if EV_MULTIPLICITY |
136 | |
228 | |
137 | struct ev_loop |
229 | struct ev_loop |
138 | { |
230 | { |
|
|
231 | ev_tstamp ev_rt_now; |
139 | # define VAR(name,decl) decl; |
232 | #define VAR(name,decl) decl; |
140 | # include "ev_vars.h" |
233 | #include "ev_vars.h" |
141 | }; |
|
|
142 | # undef VAR |
234 | #undef VAR |
|
|
235 | }; |
143 | # include "ev_wrap.h" |
236 | #include "ev_wrap.h" |
|
|
237 | |
|
|
238 | struct ev_loop default_loop_struct; |
|
|
239 | static struct ev_loop *default_loop; |
144 | |
240 | |
145 | #else |
241 | #else |
146 | |
242 | |
|
|
243 | ev_tstamp ev_rt_now; |
147 | # define VAR(name,decl) static decl; |
244 | #define VAR(name,decl) static decl; |
148 | # include "ev_vars.h" |
245 | #include "ev_vars.h" |
149 | # undef VAR |
246 | #undef VAR |
|
|
247 | |
|
|
248 | static int default_loop; |
150 | |
249 | |
151 | #endif |
250 | #endif |
152 | |
251 | |
153 | /*****************************************************************************/ |
252 | /*****************************************************************************/ |
154 | |
253 | |
155 | inline ev_tstamp |
254 | ev_tstamp |
156 | ev_time (void) |
255 | ev_time (void) |
157 | { |
256 | { |
158 | #if EV_USE_REALTIME |
257 | #if EV_USE_REALTIME |
159 | struct timespec ts; |
258 | struct timespec ts; |
160 | clock_gettime (CLOCK_REALTIME, &ts); |
259 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
179 | #endif |
278 | #endif |
180 | |
279 | |
181 | return ev_time (); |
280 | return ev_time (); |
182 | } |
281 | } |
183 | |
282 | |
|
|
283 | #if EV_MULTIPLICITY |
184 | ev_tstamp |
284 | ev_tstamp |
185 | ev_now (EV_P) |
285 | ev_now (EV_P) |
186 | { |
286 | { |
187 | return rt_now; |
287 | return ev_rt_now; |
188 | } |
288 | } |
|
|
289 | #endif |
189 | |
290 | |
190 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
291 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
191 | |
292 | |
192 | #define array_needsize(base,cur,cnt,init) \ |
293 | #define array_needsize(type,base,cur,cnt,init) \ |
193 | if (expect_false ((cnt) > cur)) \ |
294 | if (expect_false ((cnt) > cur)) \ |
194 | { \ |
295 | { \ |
195 | int newcnt = cur; \ |
296 | int newcnt = cur; \ |
196 | do \ |
297 | do \ |
197 | { \ |
298 | { \ |
198 | newcnt = array_roundsize (base, newcnt << 1); \ |
299 | newcnt = array_roundsize (type, newcnt << 1); \ |
199 | } \ |
300 | } \ |
200 | while ((cnt) > newcnt); \ |
301 | while ((cnt) > newcnt); \ |
201 | \ |
302 | \ |
202 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
303 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
203 | init (base + cur, newcnt - cur); \ |
304 | init (base + cur, newcnt - cur); \ |
204 | cur = newcnt; \ |
305 | cur = newcnt; \ |
205 | } |
306 | } |
|
|
307 | |
|
|
308 | #define array_slim(type,stem) \ |
|
|
309 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
310 | { \ |
|
|
311 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
312 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
313 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
314 | } |
|
|
315 | |
|
|
316 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
317 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
318 | #define array_free_microshit(stem) \ |
|
|
319 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
320 | |
|
|
321 | #define array_free(stem, idx) \ |
|
|
322 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
206 | |
323 | |
207 | /*****************************************************************************/ |
324 | /*****************************************************************************/ |
208 | |
325 | |
209 | static void |
326 | static void |
210 | anfds_init (ANFD *base, int count) |
327 | anfds_init (ANFD *base, int count) |
… | |
… | |
217 | |
334 | |
218 | ++base; |
335 | ++base; |
219 | } |
336 | } |
220 | } |
337 | } |
221 | |
338 | |
222 | static void |
339 | void |
223 | event (EV_P_ W w, int events) |
340 | ev_feed_event (EV_P_ void *w, int revents) |
224 | { |
341 | { |
|
|
342 | W w_ = (W)w; |
|
|
343 | |
225 | if (w->pending) |
344 | if (w_->pending) |
226 | { |
345 | { |
227 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
346 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
228 | return; |
347 | return; |
229 | } |
348 | } |
230 | |
349 | |
231 | w->pending = ++pendingcnt [ABSPRI (w)]; |
350 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
232 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
351 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
233 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
352 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
234 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
353 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
235 | } |
354 | } |
236 | |
355 | |
237 | static void |
356 | static void |
238 | queue_events (EV_P_ W *events, int eventcnt, int type) |
357 | queue_events (EV_P_ W *events, int eventcnt, int type) |
239 | { |
358 | { |
240 | int i; |
359 | int i; |
241 | |
360 | |
242 | for (i = 0; i < eventcnt; ++i) |
361 | for (i = 0; i < eventcnt; ++i) |
243 | event (EV_A_ events [i], type); |
362 | ev_feed_event (EV_A_ events [i], type); |
244 | } |
363 | } |
245 | |
364 | |
246 | static void |
365 | inline void |
247 | fd_event (EV_P_ int fd, int events) |
366 | fd_event (EV_P_ int fd, int revents) |
248 | { |
367 | { |
249 | ANFD *anfd = anfds + fd; |
368 | ANFD *anfd = anfds + fd; |
250 | struct ev_io *w; |
369 | struct ev_io *w; |
251 | |
370 | |
252 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
371 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
253 | { |
372 | { |
254 | int ev = w->events & events; |
373 | int ev = w->events & revents; |
255 | |
374 | |
256 | if (ev) |
375 | if (ev) |
257 | event (EV_A_ (W)w, ev); |
376 | ev_feed_event (EV_A_ (W)w, ev); |
258 | } |
377 | } |
|
|
378 | } |
|
|
379 | |
|
|
380 | void |
|
|
381 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
382 | { |
|
|
383 | fd_event (EV_A_ fd, revents); |
259 | } |
384 | } |
260 | |
385 | |
261 | /*****************************************************************************/ |
386 | /*****************************************************************************/ |
262 | |
387 | |
263 | static void |
388 | static void |
… | |
… | |
276 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
401 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
277 | events |= w->events; |
402 | events |= w->events; |
278 | |
403 | |
279 | anfd->reify = 0; |
404 | anfd->reify = 0; |
280 | |
405 | |
281 | if (anfd->events != events) |
|
|
282 | { |
|
|
283 | method_modify (EV_A_ fd, anfd->events, events); |
406 | method_modify (EV_A_ fd, anfd->events, events); |
284 | anfd->events = events; |
407 | anfd->events = events; |
285 | } |
|
|
286 | } |
408 | } |
287 | |
409 | |
288 | fdchangecnt = 0; |
410 | fdchangecnt = 0; |
289 | } |
411 | } |
290 | |
412 | |
291 | static void |
413 | static void |
292 | fd_change (EV_P_ int fd) |
414 | fd_change (EV_P_ int fd) |
293 | { |
415 | { |
294 | if (anfds [fd].reify || fdchangecnt < 0) |
416 | if (anfds [fd].reify) |
295 | return; |
417 | return; |
296 | |
418 | |
297 | anfds [fd].reify = 1; |
419 | anfds [fd].reify = 1; |
298 | |
420 | |
299 | ++fdchangecnt; |
421 | ++fdchangecnt; |
300 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
422 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
301 | fdchanges [fdchangecnt - 1] = fd; |
423 | fdchanges [fdchangecnt - 1] = fd; |
302 | } |
424 | } |
303 | |
425 | |
304 | static void |
426 | static void |
305 | fd_kill (EV_P_ int fd) |
427 | fd_kill (EV_P_ int fd) |
… | |
… | |
307 | struct ev_io *w; |
429 | struct ev_io *w; |
308 | |
430 | |
309 | while ((w = (struct ev_io *)anfds [fd].head)) |
431 | while ((w = (struct ev_io *)anfds [fd].head)) |
310 | { |
432 | { |
311 | ev_io_stop (EV_A_ w); |
433 | ev_io_stop (EV_A_ w); |
312 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
434 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
313 | } |
435 | } |
|
|
436 | } |
|
|
437 | |
|
|
438 | static int |
|
|
439 | fd_valid (int fd) |
|
|
440 | { |
|
|
441 | #ifdef WIN32 |
|
|
442 | return !!win32_get_osfhandle (fd); |
|
|
443 | #else |
|
|
444 | return fcntl (fd, F_GETFD) != -1; |
|
|
445 | #endif |
314 | } |
446 | } |
315 | |
447 | |
316 | /* called on EBADF to verify fds */ |
448 | /* called on EBADF to verify fds */ |
317 | static void |
449 | static void |
318 | fd_ebadf (EV_P) |
450 | fd_ebadf (EV_P) |
319 | { |
451 | { |
320 | int fd; |
452 | int fd; |
321 | |
453 | |
322 | for (fd = 0; fd < anfdmax; ++fd) |
454 | for (fd = 0; fd < anfdmax; ++fd) |
323 | if (anfds [fd].events) |
455 | if (anfds [fd].events) |
324 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
456 | if (!fd_valid (fd) == -1 && errno == EBADF) |
325 | fd_kill (EV_A_ fd); |
457 | fd_kill (EV_A_ fd); |
326 | } |
458 | } |
327 | |
459 | |
328 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
460 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
329 | static void |
461 | static void |
330 | fd_enomem (EV_P) |
462 | fd_enomem (EV_P) |
331 | { |
463 | { |
332 | int fd = anfdmax; |
464 | int fd; |
333 | |
465 | |
334 | while (fd--) |
466 | for (fd = anfdmax; fd--; ) |
335 | if (anfds [fd].events) |
467 | if (anfds [fd].events) |
336 | { |
468 | { |
337 | close (fd); |
|
|
338 | fd_kill (EV_A_ fd); |
469 | fd_kill (EV_A_ fd); |
339 | return; |
470 | return; |
340 | } |
471 | } |
341 | } |
472 | } |
342 | |
473 | |
343 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
474 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
344 | static void |
475 | static void |
345 | fd_rearm_all (EV_P) |
476 | fd_rearm_all (EV_P) |
346 | { |
477 | { |
347 | int fd; |
478 | int fd; |
348 | |
479 | |
349 | /* this should be highly optimised to not do anything but set a flag */ |
480 | /* this should be highly optimised to not do anything but set a flag */ |
350 | for (fd = 0; fd < anfdmax; ++fd) |
481 | for (fd = 0; fd < anfdmax; ++fd) |
351 | if (anfds [fd].events) |
482 | if (anfds [fd].events) |
352 | { |
483 | { |
353 | anfds [fd].events = 0; |
484 | anfds [fd].events = 0; |
354 | fd_change (fd); |
485 | fd_change (EV_A_ fd); |
355 | } |
486 | } |
356 | } |
487 | } |
357 | |
488 | |
358 | /*****************************************************************************/ |
489 | /*****************************************************************************/ |
359 | |
490 | |
… | |
… | |
363 | WT w = heap [k]; |
494 | WT w = heap [k]; |
364 | |
495 | |
365 | while (k && heap [k >> 1]->at > w->at) |
496 | while (k && heap [k >> 1]->at > w->at) |
366 | { |
497 | { |
367 | heap [k] = heap [k >> 1]; |
498 | heap [k] = heap [k >> 1]; |
368 | heap [k]->active = k + 1; |
499 | ((W)heap [k])->active = k + 1; |
369 | k >>= 1; |
500 | k >>= 1; |
370 | } |
501 | } |
371 | |
502 | |
372 | heap [k] = w; |
503 | heap [k] = w; |
373 | heap [k]->active = k + 1; |
504 | ((W)heap [k])->active = k + 1; |
374 | |
505 | |
375 | } |
506 | } |
376 | |
507 | |
377 | static void |
508 | static void |
378 | downheap (WT *heap, int N, int k) |
509 | downheap (WT *heap, int N, int k) |
… | |
… | |
388 | |
519 | |
389 | if (w->at <= heap [j]->at) |
520 | if (w->at <= heap [j]->at) |
390 | break; |
521 | break; |
391 | |
522 | |
392 | heap [k] = heap [j]; |
523 | heap [k] = heap [j]; |
393 | heap [k]->active = k + 1; |
524 | ((W)heap [k])->active = k + 1; |
394 | k = j; |
525 | k = j; |
395 | } |
526 | } |
396 | |
527 | |
397 | heap [k] = w; |
528 | heap [k] = w; |
398 | heap [k]->active = k + 1; |
529 | ((W)heap [k])->active = k + 1; |
|
|
530 | } |
|
|
531 | |
|
|
532 | inline void |
|
|
533 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
|
|
534 | { |
|
|
535 | ev_tstamp old_at = heap [k]->at; |
|
|
536 | heap [k]->at = at; |
|
|
537 | |
|
|
538 | if (old_at < at) |
|
|
539 | downheap (heap, N, k); |
|
|
540 | else |
|
|
541 | upheap (heap, k); |
399 | } |
542 | } |
400 | |
543 | |
401 | /*****************************************************************************/ |
544 | /*****************************************************************************/ |
402 | |
545 | |
403 | typedef struct |
546 | typedef struct |
404 | { |
547 | { |
405 | struct ev_watcher_list *head; |
548 | WL head; |
406 | sig_atomic_t volatile gotsig; |
549 | sig_atomic_t volatile gotsig; |
407 | } ANSIG; |
550 | } ANSIG; |
408 | |
551 | |
409 | static ANSIG *signals; |
552 | static ANSIG *signals; |
410 | static int signalmax; |
553 | static int signalmax; |
411 | |
554 | |
412 | static int sigpipe [2]; |
555 | static int sigpipe [2]; |
413 | static sig_atomic_t volatile gotsig; |
556 | static sig_atomic_t volatile gotsig; |
|
|
557 | static struct ev_io sigev; |
414 | |
558 | |
415 | static void |
559 | static void |
416 | signals_init (ANSIG *base, int count) |
560 | signals_init (ANSIG *base, int count) |
417 | { |
561 | { |
418 | while (count--) |
562 | while (count--) |
… | |
… | |
425 | } |
569 | } |
426 | |
570 | |
427 | static void |
571 | static void |
428 | sighandler (int signum) |
572 | sighandler (int signum) |
429 | { |
573 | { |
|
|
574 | #if WIN32 |
|
|
575 | signal (signum, sighandler); |
|
|
576 | #endif |
|
|
577 | |
430 | signals [signum - 1].gotsig = 1; |
578 | signals [signum - 1].gotsig = 1; |
431 | |
579 | |
432 | if (!gotsig) |
580 | if (!gotsig) |
433 | { |
581 | { |
434 | int old_errno = errno; |
582 | int old_errno = errno; |
435 | gotsig = 1; |
583 | gotsig = 1; |
|
|
584 | #ifdef WIN32 |
|
|
585 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
586 | #else |
436 | write (sigpipe [1], &signum, 1); |
587 | write (sigpipe [1], &signum, 1); |
|
|
588 | #endif |
437 | errno = old_errno; |
589 | errno = old_errno; |
438 | } |
590 | } |
439 | } |
591 | } |
440 | |
592 | |
|
|
593 | void |
|
|
594 | ev_feed_signal_event (EV_P_ int signum) |
|
|
595 | { |
|
|
596 | WL w; |
|
|
597 | |
|
|
598 | #if EV_MULTIPLICITY |
|
|
599 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
|
|
600 | #endif |
|
|
601 | |
|
|
602 | --signum; |
|
|
603 | |
|
|
604 | if (signum < 0 || signum >= signalmax) |
|
|
605 | return; |
|
|
606 | |
|
|
607 | signals [signum].gotsig = 0; |
|
|
608 | |
|
|
609 | for (w = signals [signum].head; w; w = w->next) |
|
|
610 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
611 | } |
|
|
612 | |
441 | static void |
613 | static void |
442 | sigcb (EV_P_ struct ev_io *iow, int revents) |
614 | sigcb (EV_P_ struct ev_io *iow, int revents) |
443 | { |
615 | { |
444 | struct ev_watcher_list *w; |
|
|
445 | int signum; |
616 | int signum; |
446 | |
617 | |
|
|
618 | #ifdef WIN32 |
|
|
619 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
620 | #else |
447 | read (sigpipe [0], &revents, 1); |
621 | read (sigpipe [0], &revents, 1); |
|
|
622 | #endif |
448 | gotsig = 0; |
623 | gotsig = 0; |
449 | |
624 | |
450 | for (signum = signalmax; signum--; ) |
625 | for (signum = signalmax; signum--; ) |
451 | if (signals [signum].gotsig) |
626 | if (signals [signum].gotsig) |
452 | { |
627 | ev_feed_signal_event (EV_A_ signum + 1); |
453 | signals [signum].gotsig = 0; |
|
|
454 | |
|
|
455 | for (w = signals [signum].head; w; w = w->next) |
|
|
456 | event (EV_A_ (W)w, EV_SIGNAL); |
|
|
457 | } |
|
|
458 | } |
628 | } |
459 | |
629 | |
460 | static void |
630 | static void |
461 | siginit (EV_P) |
631 | siginit (EV_P) |
462 | { |
632 | { |
… | |
… | |
474 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
644 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
475 | } |
645 | } |
476 | |
646 | |
477 | /*****************************************************************************/ |
647 | /*****************************************************************************/ |
478 | |
648 | |
|
|
649 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
650 | |
479 | #ifndef WIN32 |
651 | #ifndef WIN32 |
|
|
652 | |
|
|
653 | static struct ev_signal childev; |
480 | |
654 | |
481 | #ifndef WCONTINUED |
655 | #ifndef WCONTINUED |
482 | # define WCONTINUED 0 |
656 | # define WCONTINUED 0 |
483 | #endif |
657 | #endif |
484 | |
658 | |
… | |
… | |
488 | struct ev_child *w; |
662 | struct ev_child *w; |
489 | |
663 | |
490 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
664 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
491 | if (w->pid == pid || !w->pid) |
665 | if (w->pid == pid || !w->pid) |
492 | { |
666 | { |
493 | w->priority = sw->priority; /* need to do it *now* */ |
667 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
494 | w->rpid = pid; |
668 | w->rpid = pid; |
495 | w->rstatus = status; |
669 | w->rstatus = status; |
496 | event (EV_A_ (W)w, EV_CHILD); |
670 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
497 | } |
671 | } |
498 | } |
672 | } |
499 | |
673 | |
500 | static void |
674 | static void |
501 | childcb (EV_P_ struct ev_signal *sw, int revents) |
675 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
503 | int pid, status; |
677 | int pid, status; |
504 | |
678 | |
505 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
679 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
506 | { |
680 | { |
507 | /* make sure we are called again until all childs have been reaped */ |
681 | /* make sure we are called again until all childs have been reaped */ |
508 | event (EV_A_ (W)sw, EV_SIGNAL); |
682 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
509 | |
683 | |
510 | child_reap (EV_A_ sw, pid, pid, status); |
684 | child_reap (EV_A_ sw, pid, pid, status); |
511 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
685 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
512 | } |
686 | } |
513 | } |
687 | } |
… | |
… | |
520 | # include "ev_kqueue.c" |
694 | # include "ev_kqueue.c" |
521 | #endif |
695 | #endif |
522 | #if EV_USE_EPOLL |
696 | #if EV_USE_EPOLL |
523 | # include "ev_epoll.c" |
697 | # include "ev_epoll.c" |
524 | #endif |
698 | #endif |
525 | #if EV_USEV_POLL |
699 | #if EV_USE_POLL |
526 | # include "ev_poll.c" |
700 | # include "ev_poll.c" |
527 | #endif |
701 | #endif |
528 | #if EV_USE_SELECT |
702 | #if EV_USE_SELECT |
529 | # include "ev_select.c" |
703 | # include "ev_select.c" |
530 | #endif |
704 | #endif |
… | |
… | |
570 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
744 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
571 | have_monotonic = 1; |
745 | have_monotonic = 1; |
572 | } |
746 | } |
573 | #endif |
747 | #endif |
574 | |
748 | |
575 | rt_now = ev_time (); |
749 | ev_rt_now = ev_time (); |
576 | mn_now = get_clock (); |
750 | mn_now = get_clock (); |
577 | now_floor = mn_now; |
751 | now_floor = mn_now; |
578 | rtmn_diff = rt_now - mn_now; |
752 | rtmn_diff = ev_rt_now - mn_now; |
579 | |
753 | |
580 | if (methods == EVMETHOD_AUTO) |
754 | if (methods == EVMETHOD_AUTO) |
581 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
755 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
582 | methods = atoi (getenv ("LIBEV_METHODS")); |
756 | methods = atoi (getenv ("LIBEV_METHODS")); |
583 | else |
757 | else |
584 | methods = EVMETHOD_ANY; |
758 | methods = EVMETHOD_ANY; |
585 | |
759 | |
586 | method = 0; |
760 | method = 0; |
|
|
761 | #if EV_USE_WIN32 |
|
|
762 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
763 | #endif |
587 | #if EV_USE_KQUEUE |
764 | #if EV_USE_KQUEUE |
588 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
765 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
589 | #endif |
766 | #endif |
590 | #if EV_USE_EPOLL |
767 | #if EV_USE_EPOLL |
591 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
768 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
592 | #endif |
769 | #endif |
593 | #if EV_USEV_POLL |
770 | #if EV_USE_POLL |
594 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
771 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
595 | #endif |
772 | #endif |
596 | #if EV_USE_SELECT |
773 | #if EV_USE_SELECT |
597 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
774 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
598 | #endif |
775 | #endif |
|
|
776 | |
|
|
777 | ev_init (&sigev, sigcb); |
|
|
778 | ev_set_priority (&sigev, EV_MAXPRI); |
599 | } |
779 | } |
600 | } |
780 | } |
601 | |
781 | |
602 | void |
782 | void |
603 | loop_destroy (EV_P) |
783 | loop_destroy (EV_P) |
604 | { |
784 | { |
|
|
785 | int i; |
|
|
786 | |
|
|
787 | #if EV_USE_WIN32 |
|
|
788 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
|
|
789 | #endif |
605 | #if EV_USE_KQUEUE |
790 | #if EV_USE_KQUEUE |
606 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
791 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
607 | #endif |
792 | #endif |
608 | #if EV_USE_EPOLL |
793 | #if EV_USE_EPOLL |
609 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
794 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
610 | #endif |
795 | #endif |
611 | #if EV_USEV_POLL |
796 | #if EV_USE_POLL |
612 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
797 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
613 | #endif |
798 | #endif |
614 | #if EV_USE_SELECT |
799 | #if EV_USE_SELECT |
615 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
800 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
616 | #endif |
801 | #endif |
617 | |
802 | |
|
|
803 | for (i = NUMPRI; i--; ) |
|
|
804 | array_free (pending, [i]); |
|
|
805 | |
|
|
806 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
807 | array_free_microshit (fdchange); |
|
|
808 | array_free_microshit (timer); |
|
|
809 | #if EV_PERIODICS |
|
|
810 | array_free_microshit (periodic); |
|
|
811 | #endif |
|
|
812 | array_free_microshit (idle); |
|
|
813 | array_free_microshit (prepare); |
|
|
814 | array_free_microshit (check); |
|
|
815 | |
618 | method = 0; |
816 | method = 0; |
619 | /*TODO*/ |
|
|
620 | } |
817 | } |
621 | |
818 | |
622 | void |
819 | static void |
623 | loop_fork (EV_P) |
820 | loop_fork (EV_P) |
624 | { |
821 | { |
625 | /*TODO*/ |
|
|
626 | #if EV_USE_EPOLL |
822 | #if EV_USE_EPOLL |
627 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
823 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
628 | #endif |
824 | #endif |
629 | #if EV_USE_KQUEUE |
825 | #if EV_USE_KQUEUE |
630 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
826 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
631 | #endif |
827 | #endif |
|
|
828 | |
|
|
829 | if (ev_is_active (&sigev)) |
|
|
830 | { |
|
|
831 | /* default loop */ |
|
|
832 | |
|
|
833 | ev_ref (EV_A); |
|
|
834 | ev_io_stop (EV_A_ &sigev); |
|
|
835 | close (sigpipe [0]); |
|
|
836 | close (sigpipe [1]); |
|
|
837 | |
|
|
838 | while (pipe (sigpipe)) |
|
|
839 | syserr ("(libev) error creating pipe"); |
|
|
840 | |
|
|
841 | siginit (EV_A); |
|
|
842 | } |
|
|
843 | |
|
|
844 | postfork = 0; |
632 | } |
845 | } |
633 | |
846 | |
634 | #if EV_MULTIPLICITY |
847 | #if EV_MULTIPLICITY |
635 | struct ev_loop * |
848 | struct ev_loop * |
636 | ev_loop_new (int methods) |
849 | ev_loop_new (int methods) |
637 | { |
850 | { |
638 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
851 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
|
|
852 | |
|
|
853 | memset (loop, 0, sizeof (struct ev_loop)); |
639 | |
854 | |
640 | loop_init (EV_A_ methods); |
855 | loop_init (EV_A_ methods); |
641 | |
856 | |
642 | if (ev_methods (EV_A)) |
857 | if (ev_method (EV_A)) |
643 | return loop; |
858 | return loop; |
644 | |
859 | |
645 | return 0; |
860 | return 0; |
646 | } |
861 | } |
647 | |
862 | |
648 | void |
863 | void |
649 | ev_loop_destroy (EV_P) |
864 | ev_loop_destroy (EV_P) |
650 | { |
865 | { |
651 | loop_destroy (EV_A); |
866 | loop_destroy (EV_A); |
652 | free (loop); |
867 | ev_free (loop); |
653 | } |
868 | } |
654 | |
869 | |
655 | void |
870 | void |
656 | ev_loop_fork (EV_P) |
871 | ev_loop_fork (EV_P) |
657 | { |
872 | { |
658 | loop_fork (EV_A); |
873 | postfork = 1; |
659 | } |
874 | } |
660 | |
875 | |
661 | #endif |
876 | #endif |
662 | |
877 | |
663 | #if EV_MULTIPLICITY |
878 | #if EV_MULTIPLICITY |
664 | struct ev_loop default_loop_struct; |
|
|
665 | static struct ev_loop *default_loop; |
|
|
666 | |
|
|
667 | struct ev_loop * |
879 | struct ev_loop * |
668 | #else |
880 | #else |
669 | static int default_loop; |
|
|
670 | |
|
|
671 | int |
881 | int |
672 | #endif |
882 | #endif |
673 | ev_default_loop (int methods) |
883 | ev_default_loop (int methods) |
674 | { |
884 | { |
675 | if (sigpipe [0] == sigpipe [1]) |
885 | if (sigpipe [0] == sigpipe [1]) |
… | |
… | |
686 | |
896 | |
687 | loop_init (EV_A_ methods); |
897 | loop_init (EV_A_ methods); |
688 | |
898 | |
689 | if (ev_method (EV_A)) |
899 | if (ev_method (EV_A)) |
690 | { |
900 | { |
691 | ev_watcher_init (&sigev, sigcb); |
|
|
692 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
693 | siginit (EV_A); |
901 | siginit (EV_A); |
694 | |
902 | |
695 | #ifndef WIN32 |
903 | #ifndef WIN32 |
696 | ev_signal_init (&childev, childcb, SIGCHLD); |
904 | ev_signal_init (&childev, childcb, SIGCHLD); |
697 | ev_set_priority (&childev, EV_MAXPRI); |
905 | ev_set_priority (&childev, EV_MAXPRI); |
… | |
… | |
711 | { |
919 | { |
712 | #if EV_MULTIPLICITY |
920 | #if EV_MULTIPLICITY |
713 | struct ev_loop *loop = default_loop; |
921 | struct ev_loop *loop = default_loop; |
714 | #endif |
922 | #endif |
715 | |
923 | |
|
|
924 | #ifndef WIN32 |
716 | ev_ref (EV_A); /* child watcher */ |
925 | ev_ref (EV_A); /* child watcher */ |
717 | ev_signal_stop (EV_A_ &childev); |
926 | ev_signal_stop (EV_A_ &childev); |
|
|
927 | #endif |
718 | |
928 | |
719 | ev_ref (EV_A); /* signal watcher */ |
929 | ev_ref (EV_A); /* signal watcher */ |
720 | ev_io_stop (EV_A_ &sigev); |
930 | ev_io_stop (EV_A_ &sigev); |
721 | |
931 | |
722 | close (sigpipe [0]); sigpipe [0] = 0; |
932 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
724 | |
934 | |
725 | loop_destroy (EV_A); |
935 | loop_destroy (EV_A); |
726 | } |
936 | } |
727 | |
937 | |
728 | void |
938 | void |
729 | ev_default_fork (EV_P) |
939 | ev_default_fork (void) |
730 | { |
940 | { |
731 | loop_fork (EV_A); |
941 | #if EV_MULTIPLICITY |
|
|
942 | struct ev_loop *loop = default_loop; |
|
|
943 | #endif |
732 | |
944 | |
733 | ev_io_stop (EV_A_ &sigev); |
945 | if (method) |
734 | close (sigpipe [0]); |
946 | postfork = 1; |
735 | close (sigpipe [1]); |
|
|
736 | pipe (sigpipe); |
|
|
737 | |
|
|
738 | ev_ref (EV_A); /* signal watcher */ |
|
|
739 | siginit (EV_A); |
|
|
740 | } |
947 | } |
741 | |
948 | |
742 | /*****************************************************************************/ |
949 | /*****************************************************************************/ |
|
|
950 | |
|
|
951 | static int |
|
|
952 | any_pending (EV_P) |
|
|
953 | { |
|
|
954 | int pri; |
|
|
955 | |
|
|
956 | for (pri = NUMPRI; pri--; ) |
|
|
957 | if (pendingcnt [pri]) |
|
|
958 | return 1; |
|
|
959 | |
|
|
960 | return 0; |
|
|
961 | } |
743 | |
962 | |
744 | static void |
963 | static void |
745 | call_pending (EV_P) |
964 | call_pending (EV_P) |
746 | { |
965 | { |
747 | int pri; |
966 | int pri; |
… | |
… | |
752 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
971 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
753 | |
972 | |
754 | if (p->w) |
973 | if (p->w) |
755 | { |
974 | { |
756 | p->w->pending = 0; |
975 | p->w->pending = 0; |
757 | p->w->cb (EV_A_ p->w, p->events); |
976 | EV_CB_INVOKE (p->w, p->events); |
758 | } |
977 | } |
759 | } |
978 | } |
760 | } |
979 | } |
761 | |
980 | |
762 | static void |
981 | static void |
763 | timers_reify (EV_P) |
982 | timers_reify (EV_P) |
764 | { |
983 | { |
765 | while (timercnt && timers [0]->at <= mn_now) |
984 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
766 | { |
985 | { |
767 | struct ev_timer *w = timers [0]; |
986 | struct ev_timer *w = timers [0]; |
|
|
987 | |
|
|
988 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
768 | |
989 | |
769 | /* first reschedule or stop timer */ |
990 | /* first reschedule or stop timer */ |
770 | if (w->repeat) |
991 | if (w->repeat) |
771 | { |
992 | { |
772 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
993 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
994 | |
773 | w->at = mn_now + w->repeat; |
995 | ((WT)w)->at += w->repeat; |
|
|
996 | if (((WT)w)->at < mn_now) |
|
|
997 | ((WT)w)->at = mn_now; |
|
|
998 | |
774 | downheap ((WT *)timers, timercnt, 0); |
999 | downheap ((WT *)timers, timercnt, 0); |
775 | } |
1000 | } |
776 | else |
1001 | else |
777 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1002 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
778 | |
1003 | |
779 | event (EV_A_ (W)w, EV_TIMEOUT); |
1004 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
780 | } |
1005 | } |
781 | } |
1006 | } |
782 | |
1007 | |
|
|
1008 | #if EV_PERIODICS |
783 | static void |
1009 | static void |
784 | periodics_reify (EV_P) |
1010 | periodics_reify (EV_P) |
785 | { |
1011 | { |
786 | while (periodiccnt && periodics [0]->at <= rt_now) |
1012 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
787 | { |
1013 | { |
788 | struct ev_periodic *w = periodics [0]; |
1014 | struct ev_periodic *w = periodics [0]; |
789 | |
1015 | |
|
|
1016 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
|
|
1017 | |
790 | /* first reschedule or stop timer */ |
1018 | /* first reschedule or stop timer */ |
791 | if (w->interval) |
1019 | if (w->reschedule_cb) |
792 | { |
1020 | { |
|
|
1021 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1022 | |
|
|
1023 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1024 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1025 | } |
|
|
1026 | else if (w->interval) |
|
|
1027 | { |
793 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
1028 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
794 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
1029 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
795 | downheap ((WT *)periodics, periodiccnt, 0); |
1030 | downheap ((WT *)periodics, periodiccnt, 0); |
796 | } |
1031 | } |
797 | else |
1032 | else |
798 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1033 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
799 | |
1034 | |
800 | event (EV_A_ (W)w, EV_PERIODIC); |
1035 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
801 | } |
1036 | } |
802 | } |
1037 | } |
803 | |
1038 | |
804 | static void |
1039 | static void |
805 | periodics_reschedule (EV_P) |
1040 | periodics_reschedule (EV_P) |
… | |
… | |
809 | /* adjust periodics after time jump */ |
1044 | /* adjust periodics after time jump */ |
810 | for (i = 0; i < periodiccnt; ++i) |
1045 | for (i = 0; i < periodiccnt; ++i) |
811 | { |
1046 | { |
812 | struct ev_periodic *w = periodics [i]; |
1047 | struct ev_periodic *w = periodics [i]; |
813 | |
1048 | |
|
|
1049 | if (w->reschedule_cb) |
|
|
1050 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
814 | if (w->interval) |
1051 | else if (w->interval) |
815 | { |
|
|
816 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
1052 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
817 | |
|
|
818 | if (fabs (diff) >= 1e-4) |
|
|
819 | { |
|
|
820 | ev_periodic_stop (EV_A_ w); |
|
|
821 | ev_periodic_start (EV_A_ w); |
|
|
822 | |
|
|
823 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
824 | } |
|
|
825 | } |
|
|
826 | } |
1053 | } |
|
|
1054 | |
|
|
1055 | /* now rebuild the heap */ |
|
|
1056 | for (i = periodiccnt >> 1; i--; ) |
|
|
1057 | downheap ((WT *)periodics, periodiccnt, i); |
827 | } |
1058 | } |
|
|
1059 | #endif |
828 | |
1060 | |
829 | inline int |
1061 | inline int |
830 | time_update_monotonic (EV_P) |
1062 | time_update_monotonic (EV_P) |
831 | { |
1063 | { |
832 | mn_now = get_clock (); |
1064 | mn_now = get_clock (); |
833 | |
1065 | |
834 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1066 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
835 | { |
1067 | { |
836 | rt_now = rtmn_diff + mn_now; |
1068 | ev_rt_now = rtmn_diff + mn_now; |
837 | return 0; |
1069 | return 0; |
838 | } |
1070 | } |
839 | else |
1071 | else |
840 | { |
1072 | { |
841 | now_floor = mn_now; |
1073 | now_floor = mn_now; |
842 | rt_now = ev_time (); |
1074 | ev_rt_now = ev_time (); |
843 | return 1; |
1075 | return 1; |
844 | } |
1076 | } |
845 | } |
1077 | } |
846 | |
1078 | |
847 | static void |
1079 | static void |
… | |
… | |
856 | { |
1088 | { |
857 | ev_tstamp odiff = rtmn_diff; |
1089 | ev_tstamp odiff = rtmn_diff; |
858 | |
1090 | |
859 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1091 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
860 | { |
1092 | { |
861 | rtmn_diff = rt_now - mn_now; |
1093 | rtmn_diff = ev_rt_now - mn_now; |
862 | |
1094 | |
863 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1095 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
864 | return; /* all is well */ |
1096 | return; /* all is well */ |
865 | |
1097 | |
866 | rt_now = ev_time (); |
1098 | ev_rt_now = ev_time (); |
867 | mn_now = get_clock (); |
1099 | mn_now = get_clock (); |
868 | now_floor = mn_now; |
1100 | now_floor = mn_now; |
869 | } |
1101 | } |
870 | |
1102 | |
|
|
1103 | # if EV_PERIODICS |
871 | periodics_reschedule (EV_A); |
1104 | periodics_reschedule (EV_A); |
|
|
1105 | # endif |
872 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1106 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
873 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1107 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
874 | } |
1108 | } |
875 | } |
1109 | } |
876 | else |
1110 | else |
877 | #endif |
1111 | #endif |
878 | { |
1112 | { |
879 | rt_now = ev_time (); |
1113 | ev_rt_now = ev_time (); |
880 | |
1114 | |
881 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1115 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
882 | { |
1116 | { |
|
|
1117 | #if EV_PERIODICS |
883 | periodics_reschedule (EV_A); |
1118 | periodics_reschedule (EV_A); |
|
|
1119 | #endif |
884 | |
1120 | |
885 | /* adjust timers. this is easy, as the offset is the same for all */ |
1121 | /* adjust timers. this is easy, as the offset is the same for all */ |
886 | for (i = 0; i < timercnt; ++i) |
1122 | for (i = 0; i < timercnt; ++i) |
887 | timers [i]->at += rt_now - mn_now; |
1123 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
888 | } |
1124 | } |
889 | |
1125 | |
890 | mn_now = rt_now; |
1126 | mn_now = ev_rt_now; |
891 | } |
1127 | } |
892 | } |
1128 | } |
893 | |
1129 | |
894 | void |
1130 | void |
895 | ev_ref (EV_P) |
1131 | ev_ref (EV_P) |
… | |
… | |
918 | { |
1154 | { |
919 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1155 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
920 | call_pending (EV_A); |
1156 | call_pending (EV_A); |
921 | } |
1157 | } |
922 | |
1158 | |
|
|
1159 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1160 | if (expect_false (postfork)) |
|
|
1161 | loop_fork (EV_A); |
|
|
1162 | |
923 | /* update fd-related kernel structures */ |
1163 | /* update fd-related kernel structures */ |
924 | fd_reify (EV_A); |
1164 | fd_reify (EV_A); |
925 | |
1165 | |
926 | /* calculate blocking time */ |
1166 | /* calculate blocking time */ |
927 | |
1167 | |
928 | /* we only need this for !monotonic clockor timers, but as we basically |
1168 | /* we only need this for !monotonic clock or timers, but as we basically |
929 | always have timers, we just calculate it always */ |
1169 | always have timers, we just calculate it always */ |
930 | #if EV_USE_MONOTONIC |
1170 | #if EV_USE_MONOTONIC |
931 | if (expect_true (have_monotonic)) |
1171 | if (expect_true (have_monotonic)) |
932 | time_update_monotonic (EV_A); |
1172 | time_update_monotonic (EV_A); |
933 | else |
1173 | else |
934 | #endif |
1174 | #endif |
935 | { |
1175 | { |
936 | rt_now = ev_time (); |
1176 | ev_rt_now = ev_time (); |
937 | mn_now = rt_now; |
1177 | mn_now = ev_rt_now; |
938 | } |
1178 | } |
939 | |
1179 | |
940 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1180 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
941 | block = 0.; |
1181 | block = 0.; |
942 | else |
1182 | else |
943 | { |
1183 | { |
944 | block = MAX_BLOCKTIME; |
1184 | block = MAX_BLOCKTIME; |
945 | |
1185 | |
946 | if (timercnt) |
1186 | if (timercnt) |
947 | { |
1187 | { |
948 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
1188 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
949 | if (block > to) block = to; |
1189 | if (block > to) block = to; |
950 | } |
1190 | } |
951 | |
1191 | |
|
|
1192 | #if EV_PERIODICS |
952 | if (periodiccnt) |
1193 | if (periodiccnt) |
953 | { |
1194 | { |
954 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
1195 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
955 | if (block > to) block = to; |
1196 | if (block > to) block = to; |
956 | } |
1197 | } |
|
|
1198 | #endif |
957 | |
1199 | |
958 | if (block < 0.) block = 0.; |
1200 | if (block < 0.) block = 0.; |
959 | } |
1201 | } |
960 | |
1202 | |
961 | method_poll (EV_A_ block); |
1203 | method_poll (EV_A_ block); |
962 | |
1204 | |
963 | /* update rt_now, do magic */ |
1205 | /* update ev_rt_now, do magic */ |
964 | time_update (EV_A); |
1206 | time_update (EV_A); |
965 | |
1207 | |
966 | /* queue pending timers and reschedule them */ |
1208 | /* queue pending timers and reschedule them */ |
967 | timers_reify (EV_A); /* relative timers called last */ |
1209 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1210 | #if EV_PERIODICS |
968 | periodics_reify (EV_A); /* absolute timers called first */ |
1211 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1212 | #endif |
969 | |
1213 | |
970 | /* queue idle watchers unless io or timers are pending */ |
1214 | /* queue idle watchers unless io or timers are pending */ |
971 | if (!pendingcnt) |
1215 | if (idlecnt && !any_pending (EV_A)) |
972 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1216 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
973 | |
1217 | |
974 | /* queue check watchers, to be executed first */ |
1218 | /* queue check watchers, to be executed first */ |
975 | if (checkcnt) |
1219 | if (checkcnt) |
976 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1220 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
1051 | return; |
1295 | return; |
1052 | |
1296 | |
1053 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1297 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1054 | |
1298 | |
1055 | ev_start (EV_A_ (W)w, 1); |
1299 | ev_start (EV_A_ (W)w, 1); |
1056 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1300 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1057 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1301 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1058 | |
1302 | |
1059 | fd_change (EV_A_ fd); |
1303 | fd_change (EV_A_ fd); |
1060 | } |
1304 | } |
1061 | |
1305 | |
… | |
… | |
1064 | { |
1308 | { |
1065 | ev_clear_pending (EV_A_ (W)w); |
1309 | ev_clear_pending (EV_A_ (W)w); |
1066 | if (!ev_is_active (w)) |
1310 | if (!ev_is_active (w)) |
1067 | return; |
1311 | return; |
1068 | |
1312 | |
|
|
1313 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1314 | |
1069 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1315 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1070 | ev_stop (EV_A_ (W)w); |
1316 | ev_stop (EV_A_ (W)w); |
1071 | |
1317 | |
1072 | fd_change (EV_A_ w->fd); |
1318 | fd_change (EV_A_ w->fd); |
1073 | } |
1319 | } |
… | |
… | |
1076 | ev_timer_start (EV_P_ struct ev_timer *w) |
1322 | ev_timer_start (EV_P_ struct ev_timer *w) |
1077 | { |
1323 | { |
1078 | if (ev_is_active (w)) |
1324 | if (ev_is_active (w)) |
1079 | return; |
1325 | return; |
1080 | |
1326 | |
1081 | w->at += mn_now; |
1327 | ((WT)w)->at += mn_now; |
1082 | |
1328 | |
1083 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1329 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1084 | |
1330 | |
1085 | ev_start (EV_A_ (W)w, ++timercnt); |
1331 | ev_start (EV_A_ (W)w, ++timercnt); |
1086 | array_needsize (timers, timermax, timercnt, ); |
1332 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1087 | timers [timercnt - 1] = w; |
1333 | timers [timercnt - 1] = w; |
1088 | upheap ((WT *)timers, timercnt - 1); |
1334 | upheap ((WT *)timers, timercnt - 1); |
|
|
1335 | |
|
|
1336 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1089 | } |
1337 | } |
1090 | |
1338 | |
1091 | void |
1339 | void |
1092 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1340 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1093 | { |
1341 | { |
1094 | ev_clear_pending (EV_A_ (W)w); |
1342 | ev_clear_pending (EV_A_ (W)w); |
1095 | if (!ev_is_active (w)) |
1343 | if (!ev_is_active (w)) |
1096 | return; |
1344 | return; |
1097 | |
1345 | |
|
|
1346 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1347 | |
1098 | if (w->active < timercnt--) |
1348 | if (((W)w)->active < timercnt--) |
1099 | { |
1349 | { |
1100 | timers [w->active - 1] = timers [timercnt]; |
1350 | timers [((W)w)->active - 1] = timers [timercnt]; |
1101 | downheap ((WT *)timers, timercnt, w->active - 1); |
1351 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1102 | } |
1352 | } |
1103 | |
1353 | |
1104 | w->at = w->repeat; |
1354 | ((WT)w)->at -= mn_now; |
1105 | |
1355 | |
1106 | ev_stop (EV_A_ (W)w); |
1356 | ev_stop (EV_A_ (W)w); |
1107 | } |
1357 | } |
1108 | |
1358 | |
1109 | void |
1359 | void |
1110 | ev_timer_again (EV_P_ struct ev_timer *w) |
1360 | ev_timer_again (EV_P_ struct ev_timer *w) |
1111 | { |
1361 | { |
1112 | if (ev_is_active (w)) |
1362 | if (ev_is_active (w)) |
1113 | { |
1363 | { |
1114 | if (w->repeat) |
1364 | if (w->repeat) |
1115 | { |
|
|
1116 | w->at = mn_now + w->repeat; |
|
|
1117 | downheap ((WT *)timers, timercnt, w->active - 1); |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1118 | } |
|
|
1119 | else |
1366 | else |
1120 | ev_timer_stop (EV_A_ w); |
1367 | ev_timer_stop (EV_A_ w); |
1121 | } |
1368 | } |
1122 | else if (w->repeat) |
1369 | else if (w->repeat) |
1123 | ev_timer_start (EV_A_ w); |
1370 | ev_timer_start (EV_A_ w); |
1124 | } |
1371 | } |
1125 | |
1372 | |
|
|
1373 | #if EV_PERIODICS |
1126 | void |
1374 | void |
1127 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1375 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1128 | { |
1376 | { |
1129 | if (ev_is_active (w)) |
1377 | if (ev_is_active (w)) |
1130 | return; |
1378 | return; |
1131 | |
1379 | |
|
|
1380 | if (w->reschedule_cb) |
|
|
1381 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1382 | else if (w->interval) |
|
|
1383 | { |
1132 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1384 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1133 | |
|
|
1134 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1385 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1135 | if (w->interval) |
|
|
1136 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1386 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1387 | } |
1137 | |
1388 | |
1138 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1389 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1139 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1390 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1140 | periodics [periodiccnt - 1] = w; |
1391 | periodics [periodiccnt - 1] = w; |
1141 | upheap ((WT *)periodics, periodiccnt - 1); |
1392 | upheap ((WT *)periodics, periodiccnt - 1); |
|
|
1393 | |
|
|
1394 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1142 | } |
1395 | } |
1143 | |
1396 | |
1144 | void |
1397 | void |
1145 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1398 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1146 | { |
1399 | { |
1147 | ev_clear_pending (EV_A_ (W)w); |
1400 | ev_clear_pending (EV_A_ (W)w); |
1148 | if (!ev_is_active (w)) |
1401 | if (!ev_is_active (w)) |
1149 | return; |
1402 | return; |
1150 | |
1403 | |
|
|
1404 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1405 | |
1151 | if (w->active < periodiccnt--) |
1406 | if (((W)w)->active < periodiccnt--) |
1152 | { |
1407 | { |
1153 | periodics [w->active - 1] = periodics [periodiccnt]; |
1408 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1154 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1409 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1155 | } |
1410 | } |
1156 | |
1411 | |
1157 | ev_stop (EV_A_ (W)w); |
1412 | ev_stop (EV_A_ (W)w); |
1158 | } |
1413 | } |
1159 | |
1414 | |
1160 | void |
1415 | void |
|
|
1416 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1417 | { |
|
|
1418 | /* TODO: use adjustheap and recalculation */ |
|
|
1419 | ev_periodic_stop (EV_A_ w); |
|
|
1420 | ev_periodic_start (EV_A_ w); |
|
|
1421 | } |
|
|
1422 | #endif |
|
|
1423 | |
|
|
1424 | void |
1161 | ev_idle_start (EV_P_ struct ev_idle *w) |
1425 | ev_idle_start (EV_P_ struct ev_idle *w) |
1162 | { |
1426 | { |
1163 | if (ev_is_active (w)) |
1427 | if (ev_is_active (w)) |
1164 | return; |
1428 | return; |
1165 | |
1429 | |
1166 | ev_start (EV_A_ (W)w, ++idlecnt); |
1430 | ev_start (EV_A_ (W)w, ++idlecnt); |
1167 | array_needsize (idles, idlemax, idlecnt, ); |
1431 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1168 | idles [idlecnt - 1] = w; |
1432 | idles [idlecnt - 1] = w; |
1169 | } |
1433 | } |
1170 | |
1434 | |
1171 | void |
1435 | void |
1172 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1436 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1173 | { |
1437 | { |
1174 | ev_clear_pending (EV_A_ (W)w); |
1438 | ev_clear_pending (EV_A_ (W)w); |
|
|
1439 | if (!ev_is_active (w)) |
|
|
1440 | return; |
|
|
1441 | |
|
|
1442 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1443 | ev_stop (EV_A_ (W)w); |
|
|
1444 | } |
|
|
1445 | |
|
|
1446 | void |
|
|
1447 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1448 | { |
1175 | if (ev_is_active (w)) |
1449 | if (ev_is_active (w)) |
1176 | return; |
1450 | return; |
1177 | |
1451 | |
1178 | idles [w->active - 1] = idles [--idlecnt]; |
1452 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1453 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1454 | prepares [preparecnt - 1] = w; |
|
|
1455 | } |
|
|
1456 | |
|
|
1457 | void |
|
|
1458 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1459 | { |
|
|
1460 | ev_clear_pending (EV_A_ (W)w); |
|
|
1461 | if (!ev_is_active (w)) |
|
|
1462 | return; |
|
|
1463 | |
|
|
1464 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1179 | ev_stop (EV_A_ (W)w); |
1465 | ev_stop (EV_A_ (W)w); |
1180 | } |
1466 | } |
1181 | |
1467 | |
1182 | void |
1468 | void |
1183 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1469 | ev_check_start (EV_P_ struct ev_check *w) |
1184 | { |
1470 | { |
1185 | if (ev_is_active (w)) |
1471 | if (ev_is_active (w)) |
1186 | return; |
1472 | return; |
1187 | |
1473 | |
1188 | ev_start (EV_A_ (W)w, ++preparecnt); |
1474 | ev_start (EV_A_ (W)w, ++checkcnt); |
1189 | array_needsize (prepares, preparemax, preparecnt, ); |
1475 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1190 | prepares [preparecnt - 1] = w; |
1476 | checks [checkcnt - 1] = w; |
1191 | } |
1477 | } |
1192 | |
1478 | |
1193 | void |
1479 | void |
1194 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1480 | ev_check_stop (EV_P_ struct ev_check *w) |
1195 | { |
1481 | { |
1196 | ev_clear_pending (EV_A_ (W)w); |
1482 | ev_clear_pending (EV_A_ (W)w); |
1197 | if (ev_is_active (w)) |
1483 | if (!ev_is_active (w)) |
1198 | return; |
1484 | return; |
1199 | |
1485 | |
1200 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1201 | ev_stop (EV_A_ (W)w); |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | void |
|
|
1205 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1206 | { |
|
|
1207 | if (ev_is_active (w)) |
|
|
1208 | return; |
|
|
1209 | |
|
|
1210 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1211 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1212 | checks [checkcnt - 1] = w; |
|
|
1213 | } |
|
|
1214 | |
|
|
1215 | void |
|
|
1216 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1217 | { |
|
|
1218 | ev_clear_pending (EV_A_ (W)w); |
|
|
1219 | if (ev_is_active (w)) |
|
|
1220 | return; |
|
|
1221 | |
|
|
1222 | checks [w->active - 1] = checks [--checkcnt]; |
1486 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1223 | ev_stop (EV_A_ (W)w); |
1487 | ev_stop (EV_A_ (W)w); |
1224 | } |
1488 | } |
1225 | |
1489 | |
1226 | #ifndef SA_RESTART |
1490 | #ifndef SA_RESTART |
1227 | # define SA_RESTART 0 |
1491 | # define SA_RESTART 0 |
… | |
… | |
1237 | return; |
1501 | return; |
1238 | |
1502 | |
1239 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1503 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1240 | |
1504 | |
1241 | ev_start (EV_A_ (W)w, 1); |
1505 | ev_start (EV_A_ (W)w, 1); |
1242 | array_needsize (signals, signalmax, w->signum, signals_init); |
1506 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1243 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1507 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1244 | |
1508 | |
1245 | if (!w->next) |
1509 | if (!((WL)w)->next) |
1246 | { |
1510 | { |
|
|
1511 | #if WIN32 |
|
|
1512 | signal (w->signum, sighandler); |
|
|
1513 | #else |
1247 | struct sigaction sa; |
1514 | struct sigaction sa; |
1248 | sa.sa_handler = sighandler; |
1515 | sa.sa_handler = sighandler; |
1249 | sigfillset (&sa.sa_mask); |
1516 | sigfillset (&sa.sa_mask); |
1250 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1517 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1251 | sigaction (w->signum, &sa, 0); |
1518 | sigaction (w->signum, &sa, 0); |
|
|
1519 | #endif |
1252 | } |
1520 | } |
1253 | } |
1521 | } |
1254 | |
1522 | |
1255 | void |
1523 | void |
1256 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1524 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1306 | void (*cb)(int revents, void *arg) = once->cb; |
1574 | void (*cb)(int revents, void *arg) = once->cb; |
1307 | void *arg = once->arg; |
1575 | void *arg = once->arg; |
1308 | |
1576 | |
1309 | ev_io_stop (EV_A_ &once->io); |
1577 | ev_io_stop (EV_A_ &once->io); |
1310 | ev_timer_stop (EV_A_ &once->to); |
1578 | ev_timer_stop (EV_A_ &once->to); |
1311 | free (once); |
1579 | ev_free (once); |
1312 | |
1580 | |
1313 | cb (revents, arg); |
1581 | cb (revents, arg); |
1314 | } |
1582 | } |
1315 | |
1583 | |
1316 | static void |
1584 | static void |
… | |
… | |
1326 | } |
1594 | } |
1327 | |
1595 | |
1328 | void |
1596 | void |
1329 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1597 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1330 | { |
1598 | { |
1331 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1599 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1332 | |
1600 | |
1333 | if (!once) |
1601 | if (!once) |
1334 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1602 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1335 | else |
1603 | else |
1336 | { |
1604 | { |
1337 | once->cb = cb; |
1605 | once->cb = cb; |
1338 | once->arg = arg; |
1606 | once->arg = arg; |
1339 | |
1607 | |
1340 | ev_watcher_init (&once->io, once_cb_io); |
1608 | ev_init (&once->io, once_cb_io); |
1341 | if (fd >= 0) |
1609 | if (fd >= 0) |
1342 | { |
1610 | { |
1343 | ev_io_set (&once->io, fd, events); |
1611 | ev_io_set (&once->io, fd, events); |
1344 | ev_io_start (EV_A_ &once->io); |
1612 | ev_io_start (EV_A_ &once->io); |
1345 | } |
1613 | } |
1346 | |
1614 | |
1347 | ev_watcher_init (&once->to, once_cb_to); |
1615 | ev_init (&once->to, once_cb_to); |
1348 | if (timeout >= 0.) |
1616 | if (timeout >= 0.) |
1349 | { |
1617 | { |
1350 | ev_timer_set (&once->to, timeout, 0.); |
1618 | ev_timer_set (&once->to, timeout, 0.); |
1351 | ev_timer_start (EV_A_ &once->to); |
1619 | ev_timer_start (EV_A_ &once->to); |
1352 | } |
1620 | } |
1353 | } |
1621 | } |
1354 | } |
1622 | } |
1355 | |
1623 | |
|
|
1624 | #ifdef __cplusplus |
|
|
1625 | } |
|
|
1626 | #endif |
|
|
1627 | |