… | |
… | |
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 |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
32 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
33 | |
42 | |
34 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
|
|
44 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
|
|
46 | # endif |
|
|
47 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
|
|
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 |
37 | # endif |
57 | # endif |
38 | |
58 | |
|
|
59 | # ifndef EV_USE_SELECT |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
40 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
41 | # endif |
65 | # endif |
42 | |
66 | |
|
|
67 | # ifndef EV_USE_POLL |
43 | # if HAVE_POLL && HAVE_POLL_H |
68 | # if HAVE_POLL && HAVE_POLL_H |
44 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
45 | # endif |
73 | # endif |
46 | |
74 | |
|
|
75 | # ifndef EV_USE_EPOLL |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
48 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
49 | # endif |
81 | # endif |
50 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
52 | # 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 |
53 | # endif |
97 | # endif |
54 | |
98 | |
55 | #endif |
99 | #endif |
56 | |
100 | |
57 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
66 | #include <sys/types.h> |
110 | #include <sys/types.h> |
67 | #include <time.h> |
111 | #include <time.h> |
68 | |
112 | |
69 | #include <signal.h> |
113 | #include <signal.h> |
70 | |
114 | |
71 | #ifndef WIN32 |
115 | #ifndef _WIN32 |
72 | # include <unistd.h> |
116 | # include <unistd.h> |
73 | # include <sys/time.h> |
117 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
118 | # include <sys/wait.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 |
75 | #endif |
124 | # endif |
|
|
125 | #endif |
|
|
126 | |
76 | /**/ |
127 | /**/ |
77 | |
128 | |
78 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
79 | # 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 |
80 | #endif |
135 | #endif |
81 | |
136 | |
82 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
84 | #endif |
139 | #endif |
85 | |
140 | |
86 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
87 | # 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 |
88 | #endif |
147 | #endif |
89 | |
148 | |
90 | #ifndef EV_USE_EPOLL |
149 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
150 | # define EV_USE_EPOLL 0 |
92 | #endif |
151 | #endif |
93 | |
152 | |
94 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
96 | #endif |
155 | #endif |
97 | |
156 | |
98 | #ifndef EV_USE_WIN32 |
|
|
99 | # ifdef WIN32 |
|
|
100 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
101 | # undef EV_USE_SELECT |
|
|
102 | # define EV_USE_SELECT 1 |
|
|
103 | # else |
|
|
104 | # define EV_USE_WIN32 0 |
|
|
105 | # endif |
|
|
106 | #endif |
|
|
107 | |
|
|
108 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
109 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
110 | #endif |
159 | #endif |
111 | |
160 | |
112 | /**/ |
161 | /**/ |
113 | |
162 | |
114 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
119 | #ifndef CLOCK_REALTIME |
168 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
169 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
170 | # define EV_USE_REALTIME 0 |
122 | #endif |
171 | #endif |
123 | |
172 | |
|
|
173 | #if EV_SELECT_IS_WINSOCKET |
|
|
174 | # include <winsock.h> |
|
|
175 | #endif |
|
|
176 | |
124 | /**/ |
177 | /**/ |
125 | |
178 | |
126 | #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) */ |
127 | #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) */ |
128 | #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 */ |
129 | /*#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 */ |
130 | |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
131 | #include "ev.h" |
187 | # include "ev.h" |
|
|
188 | #endif |
132 | |
189 | |
133 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
134 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
135 | # define inline inline |
192 | # define inline static inline |
136 | #else |
193 | #else |
137 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
138 | # define inline static |
195 | # define inline static |
139 | #endif |
196 | #endif |
140 | |
197 | |
… | |
… | |
142 | #define expect_true(expr) expect ((expr) != 0, 1) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
143 | |
200 | |
144 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
145 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
146 | |
203 | |
|
|
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
206 | |
147 | typedef struct ev_watcher *W; |
207 | typedef struct ev_watcher *W; |
148 | typedef struct ev_watcher_list *WL; |
208 | typedef struct ev_watcher_list *WL; |
149 | typedef struct ev_watcher_time *WT; |
209 | typedef struct ev_watcher_time *WT; |
150 | |
210 | |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
152 | |
212 | |
|
|
213 | #ifdef _WIN32 |
153 | #include "ev_win32.c" |
214 | # include "ev_win32.c" |
|
|
215 | #endif |
154 | |
216 | |
155 | /*****************************************************************************/ |
217 | /*****************************************************************************/ |
156 | |
218 | |
157 | static void (*syserr_cb)(const char *msg); |
219 | static void (*syserr_cb)(const char *msg); |
158 | |
220 | |
… | |
… | |
205 | typedef struct |
267 | typedef struct |
206 | { |
268 | { |
207 | WL head; |
269 | WL head; |
208 | unsigned char events; |
270 | unsigned char events; |
209 | unsigned char reify; |
271 | unsigned char reify; |
|
|
272 | #if EV_SELECT_IS_WINSOCKET |
|
|
273 | SOCKET handle; |
|
|
274 | #endif |
210 | } ANFD; |
275 | } ANFD; |
211 | |
276 | |
212 | typedef struct |
277 | typedef struct |
213 | { |
278 | { |
214 | W w; |
279 | W w; |
215 | int events; |
280 | int events; |
216 | } ANPENDING; |
281 | } ANPENDING; |
217 | |
282 | |
218 | #if EV_MULTIPLICITY |
283 | #if EV_MULTIPLICITY |
219 | |
284 | |
220 | struct ev_loop |
285 | struct ev_loop |
221 | { |
286 | { |
|
|
287 | ev_tstamp ev_rt_now; |
|
|
288 | #define ev_rt_now ((loop)->ev_rt_now) |
222 | # define VAR(name,decl) decl; |
289 | #define VAR(name,decl) decl; |
223 | # include "ev_vars.h" |
290 | #include "ev_vars.h" |
224 | }; |
|
|
225 | # undef VAR |
291 | #undef VAR |
|
|
292 | }; |
226 | # include "ev_wrap.h" |
293 | #include "ev_wrap.h" |
|
|
294 | |
|
|
295 | static struct ev_loop default_loop_struct; |
|
|
296 | struct ev_loop *ev_default_loop_ptr; |
227 | |
297 | |
228 | #else |
298 | #else |
229 | |
299 | |
|
|
300 | ev_tstamp ev_rt_now; |
230 | # define VAR(name,decl) static decl; |
301 | #define VAR(name,decl) static decl; |
231 | # include "ev_vars.h" |
302 | #include "ev_vars.h" |
232 | # undef VAR |
303 | #undef VAR |
|
|
304 | |
|
|
305 | static int ev_default_loop_ptr; |
233 | |
306 | |
234 | #endif |
307 | #endif |
235 | |
308 | |
236 | /*****************************************************************************/ |
309 | /*****************************************************************************/ |
237 | |
310 | |
238 | inline ev_tstamp |
311 | ev_tstamp |
239 | ev_time (void) |
312 | ev_time (void) |
240 | { |
313 | { |
241 | #if EV_USE_REALTIME |
314 | #if EV_USE_REALTIME |
242 | struct timespec ts; |
315 | struct timespec ts; |
243 | clock_gettime (CLOCK_REALTIME, &ts); |
316 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
262 | #endif |
335 | #endif |
263 | |
336 | |
264 | return ev_time (); |
337 | return ev_time (); |
265 | } |
338 | } |
266 | |
339 | |
|
|
340 | #if EV_MULTIPLICITY |
267 | ev_tstamp |
341 | ev_tstamp |
268 | ev_now (EV_P) |
342 | ev_now (EV_P) |
269 | { |
343 | { |
270 | return rt_now; |
344 | return ev_rt_now; |
271 | } |
345 | } |
|
|
346 | #endif |
272 | |
347 | |
273 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
274 | |
349 | |
275 | #define array_needsize(type,base,cur,cnt,init) \ |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
276 | if (expect_false ((cnt) > cur)) \ |
351 | if (expect_false ((cnt) > cur)) \ |
277 | { \ |
352 | { \ |
278 | int newcnt = cur; \ |
353 | int newcnt = cur; \ |
… | |
… | |
293 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
368 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
294 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
369 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
295 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
370 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
296 | } |
371 | } |
297 | |
372 | |
298 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
299 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
300 | #define array_free_microshit(stem) \ |
|
|
301 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
302 | |
|
|
303 | #define array_free(stem, idx) \ |
373 | #define array_free(stem, idx) \ |
304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
305 | |
375 | |
306 | /*****************************************************************************/ |
376 | /*****************************************************************************/ |
307 | |
377 | |
… | |
… | |
316 | |
386 | |
317 | ++base; |
387 | ++base; |
318 | } |
388 | } |
319 | } |
389 | } |
320 | |
390 | |
321 | static void |
391 | void |
322 | event (EV_P_ W w, int events) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
323 | { |
393 | { |
324 | if (w->pending) |
394 | W w_ = (W)w; |
|
|
395 | |
|
|
396 | if (expect_false (w_->pending)) |
325 | { |
397 | { |
326 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
327 | return; |
399 | return; |
328 | } |
400 | } |
329 | |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
330 | w->pending = ++pendingcnt [ABSPRI (w)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
331 | array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
332 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
333 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
334 | } |
409 | } |
335 | |
410 | |
336 | static void |
411 | static void |
337 | queue_events (EV_P_ W *events, int eventcnt, int type) |
412 | queue_events (EV_P_ W *events, int eventcnt, int type) |
338 | { |
413 | { |
339 | int i; |
414 | int i; |
340 | |
415 | |
341 | for (i = 0; i < eventcnt; ++i) |
416 | for (i = 0; i < eventcnt; ++i) |
342 | event (EV_A_ events [i], type); |
417 | ev_feed_event (EV_A_ events [i], type); |
343 | } |
418 | } |
344 | |
419 | |
345 | static void |
420 | inline void |
346 | fd_event (EV_P_ int fd, int events) |
421 | fd_event (EV_P_ int fd, int revents) |
347 | { |
422 | { |
348 | ANFD *anfd = anfds + fd; |
423 | ANFD *anfd = anfds + fd; |
349 | struct ev_io *w; |
424 | struct ev_io *w; |
350 | |
425 | |
351 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
426 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
352 | { |
427 | { |
353 | int ev = w->events & events; |
428 | int ev = w->events & revents; |
354 | |
429 | |
355 | if (ev) |
430 | if (ev) |
356 | event (EV_A_ (W)w, ev); |
431 | ev_feed_event (EV_A_ (W)w, ev); |
357 | } |
432 | } |
|
|
433 | } |
|
|
434 | |
|
|
435 | void |
|
|
436 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
437 | { |
|
|
438 | fd_event (EV_A_ fd, revents); |
358 | } |
439 | } |
359 | |
440 | |
360 | /*****************************************************************************/ |
441 | /*****************************************************************************/ |
361 | |
442 | |
362 | static void |
443 | inline void |
363 | fd_reify (EV_P) |
444 | fd_reify (EV_P) |
364 | { |
445 | { |
365 | int i; |
446 | int i; |
366 | |
447 | |
367 | for (i = 0; i < fdchangecnt; ++i) |
448 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
373 | int events = 0; |
454 | int events = 0; |
374 | |
455 | |
375 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
456 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
376 | events |= w->events; |
457 | events |= w->events; |
377 | |
458 | |
|
|
459 | #if EV_SELECT_IS_WINSOCKET |
|
|
460 | if (events) |
|
|
461 | { |
|
|
462 | unsigned long argp; |
|
|
463 | anfd->handle = _get_osfhandle (fd); |
|
|
464 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
465 | } |
|
|
466 | #endif |
|
|
467 | |
378 | anfd->reify = 0; |
468 | anfd->reify = 0; |
379 | |
469 | |
380 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
381 | anfd->events = events; |
471 | anfd->events = events; |
382 | } |
472 | } |
383 | |
473 | |
384 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
385 | } |
475 | } |
386 | |
476 | |
387 | static void |
477 | static void |
388 | fd_change (EV_P_ int fd) |
478 | fd_change (EV_P_ int fd) |
389 | { |
479 | { |
390 | if (anfds [fd].reify) |
480 | if (expect_false (anfds [fd].reify)) |
391 | return; |
481 | return; |
392 | |
482 | |
393 | anfds [fd].reify = 1; |
483 | anfds [fd].reify = 1; |
394 | |
484 | |
395 | ++fdchangecnt; |
485 | ++fdchangecnt; |
396 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
486 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
397 | fdchanges [fdchangecnt - 1] = fd; |
487 | fdchanges [fdchangecnt - 1] = fd; |
398 | } |
488 | } |
399 | |
489 | |
400 | static void |
490 | static void |
401 | fd_kill (EV_P_ int fd) |
491 | fd_kill (EV_P_ int fd) |
… | |
… | |
403 | struct ev_io *w; |
493 | struct ev_io *w; |
404 | |
494 | |
405 | while ((w = (struct ev_io *)anfds [fd].head)) |
495 | while ((w = (struct ev_io *)anfds [fd].head)) |
406 | { |
496 | { |
407 | ev_io_stop (EV_A_ w); |
497 | ev_io_stop (EV_A_ w); |
408 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
498 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
409 | } |
499 | } |
410 | } |
500 | } |
411 | |
501 | |
412 | static int |
502 | inline int |
413 | fd_valid (int fd) |
503 | fd_valid (int fd) |
414 | { |
504 | { |
415 | #ifdef WIN32 |
505 | #ifdef _WIN32 |
416 | return !!win32_get_osfhandle (fd); |
506 | return _get_osfhandle (fd) != -1; |
417 | #else |
507 | #else |
418 | return fcntl (fd, F_GETFD) != -1; |
508 | return fcntl (fd, F_GETFD) != -1; |
419 | #endif |
509 | #endif |
420 | } |
510 | } |
421 | |
511 | |
… | |
… | |
443 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
444 | return; |
534 | return; |
445 | } |
535 | } |
446 | } |
536 | } |
447 | |
537 | |
448 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
449 | static void |
539 | static void |
450 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
451 | { |
541 | { |
452 | int fd; |
542 | int fd; |
453 | |
543 | |
… | |
… | |
501 | |
591 | |
502 | heap [k] = w; |
592 | heap [k] = w; |
503 | ((W)heap [k])->active = k + 1; |
593 | ((W)heap [k])->active = k + 1; |
504 | } |
594 | } |
505 | |
595 | |
|
|
596 | inline void |
|
|
597 | adjustheap (WT *heap, int N, int k) |
|
|
598 | { |
|
|
599 | upheap (heap, k); |
|
|
600 | downheap (heap, N, k); |
|
|
601 | } |
|
|
602 | |
506 | /*****************************************************************************/ |
603 | /*****************************************************************************/ |
507 | |
604 | |
508 | typedef struct |
605 | typedef struct |
509 | { |
606 | { |
510 | WL head; |
607 | WL head; |
… | |
… | |
531 | } |
628 | } |
532 | |
629 | |
533 | static void |
630 | static void |
534 | sighandler (int signum) |
631 | sighandler (int signum) |
535 | { |
632 | { |
536 | #if WIN32 |
633 | #if _WIN32 |
537 | signal (signum, sighandler); |
634 | signal (signum, sighandler); |
538 | #endif |
635 | #endif |
539 | |
636 | |
540 | signals [signum - 1].gotsig = 1; |
637 | signals [signum - 1].gotsig = 1; |
541 | |
638 | |
542 | if (!gotsig) |
639 | if (!gotsig) |
543 | { |
640 | { |
544 | int old_errno = errno; |
641 | int old_errno = errno; |
545 | gotsig = 1; |
642 | gotsig = 1; |
546 | #ifdef WIN32 |
|
|
547 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
548 | #else |
|
|
549 | write (sigpipe [1], &signum, 1); |
643 | write (sigpipe [1], &signum, 1); |
550 | #endif |
|
|
551 | errno = old_errno; |
644 | errno = old_errno; |
552 | } |
645 | } |
553 | } |
646 | } |
554 | |
647 | |
|
|
648 | void |
|
|
649 | ev_feed_signal_event (EV_P_ int signum) |
|
|
650 | { |
|
|
651 | WL w; |
|
|
652 | |
|
|
653 | #if EV_MULTIPLICITY |
|
|
654 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | --signum; |
|
|
658 | |
|
|
659 | if (signum < 0 || signum >= signalmax) |
|
|
660 | return; |
|
|
661 | |
|
|
662 | signals [signum].gotsig = 0; |
|
|
663 | |
|
|
664 | for (w = signals [signum].head; w; w = w->next) |
|
|
665 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
666 | } |
|
|
667 | |
555 | static void |
668 | static void |
556 | sigcb (EV_P_ struct ev_io *iow, int revents) |
669 | sigcb (EV_P_ struct ev_io *iow, int revents) |
557 | { |
670 | { |
558 | WL w; |
|
|
559 | int signum; |
671 | int signum; |
560 | |
672 | |
561 | #ifdef WIN32 |
|
|
562 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
563 | #else |
|
|
564 | read (sigpipe [0], &revents, 1); |
673 | read (sigpipe [0], &revents, 1); |
565 | #endif |
|
|
566 | gotsig = 0; |
674 | gotsig = 0; |
567 | |
675 | |
568 | for (signum = signalmax; signum--; ) |
676 | for (signum = signalmax; signum--; ) |
569 | if (signals [signum].gotsig) |
677 | if (signals [signum].gotsig) |
570 | { |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
571 | signals [signum].gotsig = 0; |
679 | } |
572 | |
680 | |
573 | for (w = signals [signum].head; w; w = w->next) |
681 | static void |
574 | event (EV_A_ (W)w, EV_SIGNAL); |
682 | fd_intern (int fd) |
575 | } |
683 | { |
|
|
684 | #ifdef _WIN32 |
|
|
685 | int arg = 1; |
|
|
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
687 | #else |
|
|
688 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
689 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
690 | #endif |
576 | } |
691 | } |
577 | |
692 | |
578 | static void |
693 | static void |
579 | siginit (EV_P) |
694 | siginit (EV_P) |
580 | { |
695 | { |
581 | #ifndef WIN32 |
696 | fd_intern (sigpipe [0]); |
582 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
697 | fd_intern (sigpipe [1]); |
583 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
584 | |
|
|
585 | /* rather than sort out wether we really need nb, set it */ |
|
|
586 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
587 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
588 | #endif |
|
|
589 | |
698 | |
590 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
699 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
591 | ev_io_start (EV_A_ &sigev); |
700 | ev_io_start (EV_A_ &sigev); |
592 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
701 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
593 | } |
702 | } |
594 | |
703 | |
595 | /*****************************************************************************/ |
704 | /*****************************************************************************/ |
596 | |
705 | |
597 | static struct ev_child *childs [PID_HASHSIZE]; |
706 | static struct ev_child *childs [PID_HASHSIZE]; |
598 | |
707 | |
599 | #ifndef WIN32 |
708 | #ifndef _WIN32 |
600 | |
709 | |
601 | static struct ev_signal childev; |
710 | static struct ev_signal childev; |
602 | |
711 | |
603 | #ifndef WCONTINUED |
712 | #ifndef WCONTINUED |
604 | # define WCONTINUED 0 |
713 | # define WCONTINUED 0 |
… | |
… | |
613 | if (w->pid == pid || !w->pid) |
722 | if (w->pid == pid || !w->pid) |
614 | { |
723 | { |
615 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
724 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
616 | w->rpid = pid; |
725 | w->rpid = pid; |
617 | w->rstatus = status; |
726 | w->rstatus = status; |
618 | event (EV_A_ (W)w, EV_CHILD); |
727 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
619 | } |
728 | } |
620 | } |
729 | } |
621 | |
730 | |
622 | static void |
731 | static void |
623 | childcb (EV_P_ struct ev_signal *sw, int revents) |
732 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
625 | int pid, status; |
734 | int pid, status; |
626 | |
735 | |
627 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
628 | { |
737 | { |
629 | /* make sure we are called again until all childs have been reaped */ |
738 | /* make sure we are called again until all childs have been reaped */ |
|
|
739 | /* we need to do it this way so that the callback gets called before we continue */ |
630 | event (EV_A_ (W)sw, EV_SIGNAL); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
631 | |
741 | |
632 | child_reap (EV_A_ sw, pid, pid, status); |
742 | child_reap (EV_A_ sw, pid, pid, status); |
633 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
634 | } |
744 | } |
635 | } |
745 | } |
636 | |
746 | |
637 | #endif |
747 | #endif |
638 | |
748 | |
639 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
640 | |
750 | |
|
|
751 | #if EV_USE_PORT |
|
|
752 | # include "ev_port.c" |
|
|
753 | #endif |
641 | #if EV_USE_KQUEUE |
754 | #if EV_USE_KQUEUE |
642 | # include "ev_kqueue.c" |
755 | # include "ev_kqueue.c" |
643 | #endif |
756 | #endif |
644 | #if EV_USE_EPOLL |
757 | #if EV_USE_EPOLL |
645 | # include "ev_epoll.c" |
758 | # include "ev_epoll.c" |
… | |
… | |
665 | |
778 | |
666 | /* return true if we are running with elevated privileges and should ignore env variables */ |
779 | /* return true if we are running with elevated privileges and should ignore env variables */ |
667 | static int |
780 | static int |
668 | enable_secure (void) |
781 | enable_secure (void) |
669 | { |
782 | { |
670 | #ifdef WIN32 |
783 | #ifdef _WIN32 |
671 | return 0; |
784 | return 0; |
672 | #else |
785 | #else |
673 | return getuid () != geteuid () |
786 | return getuid () != geteuid () |
674 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
675 | #endif |
788 | #endif |
676 | } |
789 | } |
677 | |
790 | |
678 | int |
791 | unsigned int |
679 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
680 | { |
793 | { |
681 | return method; |
794 | unsigned int flags = 0; |
682 | } |
|
|
683 | |
795 | |
684 | static void |
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
685 | loop_init (EV_P_ int methods) |
797 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
798 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
799 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
800 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
801 | |
|
|
802 | return flags; |
|
|
803 | } |
|
|
804 | |
|
|
805 | unsigned int |
|
|
806 | ev_recommended_backends (void) |
686 | { |
807 | { |
687 | if (!method) |
808 | unsigned int flags = ev_supported_backends (); |
|
|
809 | |
|
|
810 | #ifndef __NetBSD__ |
|
|
811 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
812 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
813 | flags &= ~EVBACKEND_KQUEUE; |
|
|
814 | #endif |
|
|
815 | #ifdef __APPLE__ |
|
|
816 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
817 | flags &= ~EVBACKEND_POLL; |
|
|
818 | #endif |
|
|
819 | |
|
|
820 | return flags; |
|
|
821 | } |
|
|
822 | |
|
|
823 | unsigned int |
|
|
824 | ev_embeddable_backends (void) |
|
|
825 | { |
|
|
826 | return EVBACKEND_EPOLL |
|
|
827 | | EVBACKEND_KQUEUE |
|
|
828 | | EVBACKEND_PORT; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_backend (EV_P) |
|
|
833 | { |
|
|
834 | return backend; |
|
|
835 | } |
|
|
836 | |
|
|
837 | static void |
|
|
838 | loop_init (EV_P_ unsigned int flags) |
|
|
839 | { |
|
|
840 | if (!backend) |
688 | { |
841 | { |
689 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
690 | { |
843 | { |
691 | struct timespec ts; |
844 | struct timespec ts; |
692 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
693 | have_monotonic = 1; |
846 | have_monotonic = 1; |
694 | } |
847 | } |
695 | #endif |
848 | #endif |
696 | |
849 | |
697 | rt_now = ev_time (); |
850 | ev_rt_now = ev_time (); |
698 | mn_now = get_clock (); |
851 | mn_now = get_clock (); |
699 | now_floor = mn_now; |
852 | now_floor = mn_now; |
700 | rtmn_diff = rt_now - mn_now; |
853 | rtmn_diff = ev_rt_now - mn_now; |
701 | |
854 | |
702 | if (methods == EVMETHOD_AUTO) |
855 | if (!(flags & EVFLAG_NOENV) |
703 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
856 | && !enable_secure () |
|
|
857 | && getenv ("LIBEV_FLAGS")) |
704 | methods = atoi (getenv ("LIBEV_METHODS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
705 | else |
|
|
706 | methods = EVMETHOD_ANY; |
|
|
707 | |
859 | |
708 | method = 0; |
860 | if (!(flags & 0x0000ffffUL)) |
709 | #if EV_USE_WIN32 |
861 | flags |= ev_recommended_backends (); |
710 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
862 | |
|
|
863 | backend = 0; |
|
|
864 | #if EV_USE_PORT |
|
|
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
711 | #endif |
866 | #endif |
712 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
713 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
714 | #endif |
869 | #endif |
715 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
716 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
717 | #endif |
872 | #endif |
718 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
719 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
720 | #endif |
875 | #endif |
721 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
722 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
723 | #endif |
878 | #endif |
724 | |
879 | |
725 | ev_watcher_init (&sigev, sigcb); |
880 | ev_init (&sigev, sigcb); |
726 | ev_set_priority (&sigev, EV_MAXPRI); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
727 | } |
882 | } |
728 | } |
883 | } |
729 | |
884 | |
730 | void |
885 | static void |
731 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
732 | { |
887 | { |
733 | int i; |
888 | int i; |
734 | |
889 | |
735 | #if EV_USE_WIN32 |
890 | #if EV_USE_PORT |
736 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
737 | #endif |
892 | #endif |
738 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
739 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
740 | #endif |
895 | #endif |
741 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
742 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
743 | #endif |
898 | #endif |
744 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
745 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
746 | #endif |
901 | #endif |
747 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
748 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
749 | #endif |
904 | #endif |
750 | |
905 | |
751 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
752 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
753 | |
908 | |
754 | /* have to use the microsoft-never-gets-it-right macro */ |
909 | /* have to use the microsoft-never-gets-it-right macro */ |
755 | array_free_microshit (fdchange); |
910 | array_free (fdchange, EMPTY0); |
756 | array_free_microshit (timer); |
911 | array_free (timer, EMPTY0); |
757 | array_free_microshit (periodic); |
912 | #if EV_PERIODICS |
758 | array_free_microshit (idle); |
913 | array_free (periodic, EMPTY0); |
759 | array_free_microshit (prepare); |
914 | #endif |
760 | array_free_microshit (check); |
915 | array_free (idle, EMPTY0); |
|
|
916 | array_free (prepare, EMPTY0); |
|
|
917 | array_free (check, EMPTY0); |
761 | |
918 | |
762 | method = 0; |
919 | backend = 0; |
763 | } |
920 | } |
764 | |
921 | |
765 | static void |
922 | static void |
766 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
767 | { |
924 | { |
|
|
925 | #if EV_USE_PORT |
|
|
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
927 | #endif |
|
|
928 | #if EV_USE_KQUEUE |
|
|
929 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
930 | #endif |
768 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
769 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
770 | #endif |
|
|
771 | #if EV_USE_KQUEUE |
|
|
772 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
773 | #endif |
933 | #endif |
774 | |
934 | |
775 | if (ev_is_active (&sigev)) |
935 | if (ev_is_active (&sigev)) |
776 | { |
936 | { |
777 | /* default loop */ |
937 | /* default loop */ |
… | |
… | |
790 | postfork = 0; |
950 | postfork = 0; |
791 | } |
951 | } |
792 | |
952 | |
793 | #if EV_MULTIPLICITY |
953 | #if EV_MULTIPLICITY |
794 | struct ev_loop * |
954 | struct ev_loop * |
795 | ev_loop_new (int methods) |
955 | ev_loop_new (unsigned int flags) |
796 | { |
956 | { |
797 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
957 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
798 | |
958 | |
799 | memset (loop, 0, sizeof (struct ev_loop)); |
959 | memset (loop, 0, sizeof (struct ev_loop)); |
800 | |
960 | |
801 | loop_init (EV_A_ methods); |
961 | loop_init (EV_A_ flags); |
802 | |
962 | |
803 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
804 | return loop; |
964 | return loop; |
805 | |
965 | |
806 | return 0; |
966 | return 0; |
807 | } |
967 | } |
808 | |
968 | |
… | |
… | |
820 | } |
980 | } |
821 | |
981 | |
822 | #endif |
982 | #endif |
823 | |
983 | |
824 | #if EV_MULTIPLICITY |
984 | #if EV_MULTIPLICITY |
825 | struct ev_loop default_loop_struct; |
|
|
826 | static struct ev_loop *default_loop; |
|
|
827 | |
|
|
828 | struct ev_loop * |
985 | struct ev_loop * |
|
|
986 | ev_default_loop_init (unsigned int flags) |
829 | #else |
987 | #else |
830 | static int default_loop; |
|
|
831 | |
|
|
832 | int |
988 | int |
|
|
989 | ev_default_loop (unsigned int flags) |
833 | #endif |
990 | #endif |
834 | ev_default_loop (int methods) |
|
|
835 | { |
991 | { |
836 | if (sigpipe [0] == sigpipe [1]) |
992 | if (sigpipe [0] == sigpipe [1]) |
837 | if (pipe (sigpipe)) |
993 | if (pipe (sigpipe)) |
838 | return 0; |
994 | return 0; |
839 | |
995 | |
840 | if (!default_loop) |
996 | if (!ev_default_loop_ptr) |
841 | { |
997 | { |
842 | #if EV_MULTIPLICITY |
998 | #if EV_MULTIPLICITY |
843 | struct ev_loop *loop = default_loop = &default_loop_struct; |
999 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
844 | #else |
1000 | #else |
845 | default_loop = 1; |
1001 | ev_default_loop_ptr = 1; |
846 | #endif |
1002 | #endif |
847 | |
1003 | |
848 | loop_init (EV_A_ methods); |
1004 | loop_init (EV_A_ flags); |
849 | |
1005 | |
850 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
851 | { |
1007 | { |
852 | siginit (EV_A); |
1008 | siginit (EV_A); |
853 | |
1009 | |
854 | #ifndef WIN32 |
1010 | #ifndef _WIN32 |
855 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
856 | ev_set_priority (&childev, EV_MAXPRI); |
1012 | ev_set_priority (&childev, EV_MAXPRI); |
857 | ev_signal_start (EV_A_ &childev); |
1013 | ev_signal_start (EV_A_ &childev); |
858 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1014 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
859 | #endif |
1015 | #endif |
860 | } |
1016 | } |
861 | else |
1017 | else |
862 | default_loop = 0; |
1018 | ev_default_loop_ptr = 0; |
863 | } |
1019 | } |
864 | |
1020 | |
865 | return default_loop; |
1021 | return ev_default_loop_ptr; |
866 | } |
1022 | } |
867 | |
1023 | |
868 | void |
1024 | void |
869 | ev_default_destroy (void) |
1025 | ev_default_destroy (void) |
870 | { |
1026 | { |
871 | #if EV_MULTIPLICITY |
1027 | #if EV_MULTIPLICITY |
872 | struct ev_loop *loop = default_loop; |
1028 | struct ev_loop *loop = ev_default_loop_ptr; |
873 | #endif |
1029 | #endif |
874 | |
1030 | |
875 | #ifndef WIN32 |
1031 | #ifndef _WIN32 |
876 | ev_ref (EV_A); /* child watcher */ |
1032 | ev_ref (EV_A); /* child watcher */ |
877 | ev_signal_stop (EV_A_ &childev); |
1033 | ev_signal_stop (EV_A_ &childev); |
878 | #endif |
1034 | #endif |
879 | |
1035 | |
880 | ev_ref (EV_A); /* signal watcher */ |
1036 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
888 | |
1044 | |
889 | void |
1045 | void |
890 | ev_default_fork (void) |
1046 | ev_default_fork (void) |
891 | { |
1047 | { |
892 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
893 | struct ev_loop *loop = default_loop; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
894 | #endif |
1050 | #endif |
895 | |
1051 | |
896 | if (method) |
1052 | if (backend) |
897 | postfork = 1; |
1053 | postfork = 1; |
898 | } |
1054 | } |
899 | |
1055 | |
900 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
901 | |
1057 | |
… | |
… | |
909 | return 1; |
1065 | return 1; |
910 | |
1066 | |
911 | return 0; |
1067 | return 0; |
912 | } |
1068 | } |
913 | |
1069 | |
914 | static void |
1070 | inline void |
915 | call_pending (EV_P) |
1071 | call_pending (EV_P) |
916 | { |
1072 | { |
917 | int pri; |
1073 | int pri; |
918 | |
1074 | |
919 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
920 | while (pendingcnt [pri]) |
1076 | while (pendingcnt [pri]) |
921 | { |
1077 | { |
922 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
923 | |
1079 | |
924 | if (p->w) |
1080 | if (expect_true (p->w)) |
925 | { |
1081 | { |
926 | p->w->pending = 0; |
1082 | p->w->pending = 0; |
927 | p->w->cb (EV_A_ p->w, p->events); |
1083 | EV_CB_INVOKE (p->w, p->events); |
928 | } |
1084 | } |
929 | } |
1085 | } |
930 | } |
1086 | } |
931 | |
1087 | |
932 | static void |
1088 | inline void |
933 | timers_reify (EV_P) |
1089 | timers_reify (EV_P) |
934 | { |
1090 | { |
935 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
936 | { |
1092 | { |
937 | struct ev_timer *w = timers [0]; |
1093 | struct ev_timer *w = timers [0]; |
… | |
… | |
940 | |
1096 | |
941 | /* first reschedule or stop timer */ |
1097 | /* first reschedule or stop timer */ |
942 | if (w->repeat) |
1098 | if (w->repeat) |
943 | { |
1099 | { |
944 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1100 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1101 | |
945 | ((WT)w)->at = mn_now + w->repeat; |
1102 | ((WT)w)->at += w->repeat; |
|
|
1103 | if (((WT)w)->at < mn_now) |
|
|
1104 | ((WT)w)->at = mn_now; |
|
|
1105 | |
946 | downheap ((WT *)timers, timercnt, 0); |
1106 | downheap ((WT *)timers, timercnt, 0); |
947 | } |
1107 | } |
948 | else |
1108 | else |
949 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1109 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
950 | |
1110 | |
951 | event (EV_A_ (W)w, EV_TIMEOUT); |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
952 | } |
1112 | } |
953 | } |
1113 | } |
954 | |
1114 | |
955 | static void |
1115 | #if EV_PERIODICS |
|
|
1116 | inline void |
956 | periodics_reify (EV_P) |
1117 | periodics_reify (EV_P) |
957 | { |
1118 | { |
958 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
959 | { |
1120 | { |
960 | struct ev_periodic *w = periodics [0]; |
1121 | struct ev_periodic *w = periodics [0]; |
961 | |
1122 | |
962 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1123 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
963 | |
1124 | |
964 | /* first reschedule or stop timer */ |
1125 | /* first reschedule or stop timer */ |
965 | if (w->reschedule_cb) |
1126 | if (w->reschedule_cb) |
966 | { |
1127 | { |
967 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); |
1128 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
968 | |
|
|
969 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); |
1129 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
970 | downheap ((WT *)periodics, periodiccnt, 0); |
1130 | downheap ((WT *)periodics, periodiccnt, 0); |
971 | } |
1131 | } |
972 | else if (w->interval) |
1132 | else if (w->interval) |
973 | { |
1133 | { |
974 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1134 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
975 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1135 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
976 | downheap ((WT *)periodics, periodiccnt, 0); |
1136 | downheap ((WT *)periodics, periodiccnt, 0); |
977 | } |
1137 | } |
978 | else |
1138 | else |
979 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1139 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
980 | |
1140 | |
981 | event (EV_A_ (W)w, EV_PERIODIC); |
1141 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
982 | } |
1142 | } |
983 | } |
1143 | } |
984 | |
1144 | |
985 | static void |
1145 | static void |
986 | periodics_reschedule (EV_P) |
1146 | periodics_reschedule (EV_P) |
… | |
… | |
991 | for (i = 0; i < periodiccnt; ++i) |
1151 | for (i = 0; i < periodiccnt; ++i) |
992 | { |
1152 | { |
993 | struct ev_periodic *w = periodics [i]; |
1153 | struct ev_periodic *w = periodics [i]; |
994 | |
1154 | |
995 | if (w->reschedule_cb) |
1155 | if (w->reschedule_cb) |
996 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1156 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
997 | else if (w->interval) |
1157 | else if (w->interval) |
998 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1158 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
999 | } |
1159 | } |
1000 | |
1160 | |
1001 | /* now rebuild the heap */ |
1161 | /* now rebuild the heap */ |
1002 | for (i = periodiccnt >> 1; i--; ) |
1162 | for (i = periodiccnt >> 1; i--; ) |
1003 | downheap ((WT *)periodics, periodiccnt, i); |
1163 | downheap ((WT *)periodics, periodiccnt, i); |
1004 | } |
1164 | } |
|
|
1165 | #endif |
1005 | |
1166 | |
1006 | inline int |
1167 | inline int |
1007 | time_update_monotonic (EV_P) |
1168 | time_update_monotonic (EV_P) |
1008 | { |
1169 | { |
1009 | mn_now = get_clock (); |
1170 | mn_now = get_clock (); |
1010 | |
1171 | |
1011 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1172 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1012 | { |
1173 | { |
1013 | rt_now = rtmn_diff + mn_now; |
1174 | ev_rt_now = rtmn_diff + mn_now; |
1014 | return 0; |
1175 | return 0; |
1015 | } |
1176 | } |
1016 | else |
1177 | else |
1017 | { |
1178 | { |
1018 | now_floor = mn_now; |
1179 | now_floor = mn_now; |
1019 | rt_now = ev_time (); |
1180 | ev_rt_now = ev_time (); |
1020 | return 1; |
1181 | return 1; |
1021 | } |
1182 | } |
1022 | } |
1183 | } |
1023 | |
1184 | |
1024 | static void |
1185 | inline void |
1025 | time_update (EV_P) |
1186 | time_update (EV_P) |
1026 | { |
1187 | { |
1027 | int i; |
1188 | int i; |
1028 | |
1189 | |
1029 | #if EV_USE_MONOTONIC |
1190 | #if EV_USE_MONOTONIC |
… | |
… | |
1033 | { |
1194 | { |
1034 | ev_tstamp odiff = rtmn_diff; |
1195 | ev_tstamp odiff = rtmn_diff; |
1035 | |
1196 | |
1036 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1197 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1037 | { |
1198 | { |
1038 | rtmn_diff = rt_now - mn_now; |
1199 | rtmn_diff = ev_rt_now - mn_now; |
1039 | |
1200 | |
1040 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1201 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1041 | return; /* all is well */ |
1202 | return; /* all is well */ |
1042 | |
1203 | |
1043 | rt_now = ev_time (); |
1204 | ev_rt_now = ev_time (); |
1044 | mn_now = get_clock (); |
1205 | mn_now = get_clock (); |
1045 | now_floor = mn_now; |
1206 | now_floor = mn_now; |
1046 | } |
1207 | } |
1047 | |
1208 | |
|
|
1209 | # if EV_PERIODICS |
1048 | periodics_reschedule (EV_A); |
1210 | periodics_reschedule (EV_A); |
|
|
1211 | # endif |
1049 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1212 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1050 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1213 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1051 | } |
1214 | } |
1052 | } |
1215 | } |
1053 | else |
1216 | else |
1054 | #endif |
1217 | #endif |
1055 | { |
1218 | { |
1056 | rt_now = ev_time (); |
1219 | ev_rt_now = ev_time (); |
1057 | |
1220 | |
1058 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1221 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1059 | { |
1222 | { |
|
|
1223 | #if EV_PERIODICS |
1060 | periodics_reschedule (EV_A); |
1224 | periodics_reschedule (EV_A); |
|
|
1225 | #endif |
1061 | |
1226 | |
1062 | /* adjust timers. this is easy, as the offset is the same for all */ |
1227 | /* adjust timers. this is easy, as the offset is the same for all */ |
1063 | for (i = 0; i < timercnt; ++i) |
1228 | for (i = 0; i < timercnt; ++i) |
1064 | ((WT)timers [i])->at += rt_now - mn_now; |
1229 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1065 | } |
1230 | } |
1066 | |
1231 | |
1067 | mn_now = rt_now; |
1232 | mn_now = ev_rt_now; |
1068 | } |
1233 | } |
1069 | } |
1234 | } |
1070 | |
1235 | |
1071 | void |
1236 | void |
1072 | ev_ref (EV_P) |
1237 | ev_ref (EV_P) |
… | |
… | |
1083 | static int loop_done; |
1248 | static int loop_done; |
1084 | |
1249 | |
1085 | void |
1250 | void |
1086 | ev_loop (EV_P_ int flags) |
1251 | ev_loop (EV_P_ int flags) |
1087 | { |
1252 | { |
1088 | double block; |
|
|
1089 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1253 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1254 | ? EVUNLOOP_ONE |
|
|
1255 | : EVUNLOOP_CANCEL; |
1090 | |
1256 | |
1091 | do |
1257 | while (activecnt) |
1092 | { |
1258 | { |
1093 | /* queue check watchers (and execute them) */ |
1259 | /* queue check watchers (and execute them) */ |
1094 | if (expect_false (preparecnt)) |
1260 | if (expect_false (preparecnt)) |
1095 | { |
1261 | { |
1096 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1262 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1103 | |
1269 | |
1104 | /* update fd-related kernel structures */ |
1270 | /* update fd-related kernel structures */ |
1105 | fd_reify (EV_A); |
1271 | fd_reify (EV_A); |
1106 | |
1272 | |
1107 | /* calculate blocking time */ |
1273 | /* calculate blocking time */ |
|
|
1274 | { |
|
|
1275 | double block; |
1108 | |
1276 | |
1109 | /* we only need this for !monotonic clock or timers, but as we basically |
1277 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1110 | always have timers, we just calculate it always */ |
1278 | block = 0.; /* do not block at all */ |
|
|
1279 | else |
|
|
1280 | { |
|
|
1281 | /* update time to cancel out callback processing overhead */ |
1111 | #if EV_USE_MONOTONIC |
1282 | #if EV_USE_MONOTONIC |
1112 | if (expect_true (have_monotonic)) |
1283 | if (expect_true (have_monotonic)) |
1113 | time_update_monotonic (EV_A); |
1284 | time_update_monotonic (EV_A); |
1114 | else |
1285 | else |
1115 | #endif |
1286 | #endif |
1116 | { |
1287 | { |
1117 | rt_now = ev_time (); |
1288 | ev_rt_now = ev_time (); |
1118 | mn_now = rt_now; |
1289 | mn_now = ev_rt_now; |
1119 | } |
1290 | } |
1120 | |
1291 | |
1121 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1122 | block = 0.; |
|
|
1123 | else |
|
|
1124 | { |
|
|
1125 | block = MAX_BLOCKTIME; |
1292 | block = MAX_BLOCKTIME; |
1126 | |
1293 | |
1127 | if (timercnt) |
1294 | if (timercnt) |
1128 | { |
1295 | { |
1129 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1296 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1130 | if (block > to) block = to; |
1297 | if (block > to) block = to; |
1131 | } |
1298 | } |
1132 | |
1299 | |
|
|
1300 | #if EV_PERIODICS |
1133 | if (periodiccnt) |
1301 | if (periodiccnt) |
1134 | { |
1302 | { |
1135 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1303 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1136 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1137 | } |
1305 | } |
|
|
1306 | #endif |
1138 | |
1307 | |
1139 | if (block < 0.) block = 0.; |
1308 | if (expect_false (block < 0.)) block = 0.; |
1140 | } |
1309 | } |
1141 | |
1310 | |
1142 | method_poll (EV_A_ block); |
1311 | backend_poll (EV_A_ block); |
|
|
1312 | } |
1143 | |
1313 | |
1144 | /* update rt_now, do magic */ |
1314 | /* update ev_rt_now, do magic */ |
1145 | time_update (EV_A); |
1315 | time_update (EV_A); |
1146 | |
1316 | |
1147 | /* queue pending timers and reschedule them */ |
1317 | /* queue pending timers and reschedule them */ |
1148 | timers_reify (EV_A); /* relative timers called last */ |
1318 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1319 | #if EV_PERIODICS |
1149 | periodics_reify (EV_A); /* absolute timers called first */ |
1320 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1321 | #endif |
1150 | |
1322 | |
1151 | /* queue idle watchers unless io or timers are pending */ |
1323 | /* queue idle watchers unless io or timers are pending */ |
1152 | if (idlecnt && !any_pending (EV_A)) |
1324 | if (idlecnt && !any_pending (EV_A)) |
1153 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1325 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1154 | |
1326 | |
1155 | /* queue check watchers, to be executed first */ |
1327 | /* queue check watchers, to be executed first */ |
1156 | if (checkcnt) |
1328 | if (expect_false (checkcnt)) |
1157 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1329 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1158 | |
1330 | |
1159 | call_pending (EV_A); |
1331 | call_pending (EV_A); |
1160 | } |
|
|
1161 | while (activecnt && !loop_done); |
|
|
1162 | |
1332 | |
1163 | if (loop_done != 2) |
1333 | if (expect_false (loop_done)) |
1164 | loop_done = 0; |
1334 | break; |
|
|
1335 | } |
|
|
1336 | |
|
|
1337 | if (loop_done == EVUNLOOP_ONE) |
|
|
1338 | loop_done = EVUNLOOP_CANCEL; |
1165 | } |
1339 | } |
1166 | |
1340 | |
1167 | void |
1341 | void |
1168 | ev_unloop (EV_P_ int how) |
1342 | ev_unloop (EV_P_ int how) |
1169 | { |
1343 | { |
… | |
… | |
1226 | void |
1400 | void |
1227 | ev_io_start (EV_P_ struct ev_io *w) |
1401 | ev_io_start (EV_P_ struct ev_io *w) |
1228 | { |
1402 | { |
1229 | int fd = w->fd; |
1403 | int fd = w->fd; |
1230 | |
1404 | |
1231 | if (ev_is_active (w)) |
1405 | if (expect_false (ev_is_active (w))) |
1232 | return; |
1406 | return; |
1233 | |
1407 | |
1234 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1408 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1235 | |
1409 | |
1236 | ev_start (EV_A_ (W)w, 1); |
1410 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1242 | |
1416 | |
1243 | void |
1417 | void |
1244 | ev_io_stop (EV_P_ struct ev_io *w) |
1418 | ev_io_stop (EV_P_ struct ev_io *w) |
1245 | { |
1419 | { |
1246 | ev_clear_pending (EV_A_ (W)w); |
1420 | ev_clear_pending (EV_A_ (W)w); |
1247 | if (!ev_is_active (w)) |
1421 | if (expect_false (!ev_is_active (w))) |
1248 | return; |
1422 | return; |
|
|
1423 | |
|
|
1424 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1249 | |
1425 | |
1250 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1426 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1251 | ev_stop (EV_A_ (W)w); |
1427 | ev_stop (EV_A_ (W)w); |
1252 | |
1428 | |
1253 | fd_change (EV_A_ w->fd); |
1429 | fd_change (EV_A_ w->fd); |
1254 | } |
1430 | } |
1255 | |
1431 | |
1256 | void |
1432 | void |
1257 | ev_timer_start (EV_P_ struct ev_timer *w) |
1433 | ev_timer_start (EV_P_ struct ev_timer *w) |
1258 | { |
1434 | { |
1259 | if (ev_is_active (w)) |
1435 | if (expect_false (ev_is_active (w))) |
1260 | return; |
1436 | return; |
1261 | |
1437 | |
1262 | ((WT)w)->at += mn_now; |
1438 | ((WT)w)->at += mn_now; |
1263 | |
1439 | |
1264 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1440 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1265 | |
1441 | |
1266 | ev_start (EV_A_ (W)w, ++timercnt); |
1442 | ev_start (EV_A_ (W)w, ++timercnt); |
1267 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1443 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1268 | timers [timercnt - 1] = w; |
1444 | timers [timercnt - 1] = w; |
1269 | upheap ((WT *)timers, timercnt - 1); |
1445 | upheap ((WT *)timers, timercnt - 1); |
1270 | |
1446 | |
1271 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1447 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1272 | } |
1448 | } |
1273 | |
1449 | |
1274 | void |
1450 | void |
1275 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1451 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1276 | { |
1452 | { |
1277 | ev_clear_pending (EV_A_ (W)w); |
1453 | ev_clear_pending (EV_A_ (W)w); |
1278 | if (!ev_is_active (w)) |
1454 | if (expect_false (!ev_is_active (w))) |
1279 | return; |
1455 | return; |
1280 | |
1456 | |
1281 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1457 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1282 | |
1458 | |
1283 | if (((W)w)->active < timercnt--) |
1459 | if (expect_true (((W)w)->active < timercnt--)) |
1284 | { |
1460 | { |
1285 | timers [((W)w)->active - 1] = timers [timercnt]; |
1461 | timers [((W)w)->active - 1] = timers [timercnt]; |
1286 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1462 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1287 | } |
1463 | } |
1288 | |
1464 | |
1289 | ((WT)w)->at = w->repeat; |
1465 | ((WT)w)->at -= mn_now; |
1290 | |
1466 | |
1291 | ev_stop (EV_A_ (W)w); |
1467 | ev_stop (EV_A_ (W)w); |
1292 | } |
1468 | } |
1293 | |
1469 | |
1294 | void |
1470 | void |
… | |
… | |
1297 | if (ev_is_active (w)) |
1473 | if (ev_is_active (w)) |
1298 | { |
1474 | { |
1299 | if (w->repeat) |
1475 | if (w->repeat) |
1300 | { |
1476 | { |
1301 | ((WT)w)->at = mn_now + w->repeat; |
1477 | ((WT)w)->at = mn_now + w->repeat; |
1302 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1478 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1303 | } |
1479 | } |
1304 | else |
1480 | else |
1305 | ev_timer_stop (EV_A_ w); |
1481 | ev_timer_stop (EV_A_ w); |
1306 | } |
1482 | } |
1307 | else if (w->repeat) |
1483 | else if (w->repeat) |
|
|
1484 | { |
|
|
1485 | w->at = w->repeat; |
1308 | ev_timer_start (EV_A_ w); |
1486 | ev_timer_start (EV_A_ w); |
|
|
1487 | } |
1309 | } |
1488 | } |
1310 | |
1489 | |
|
|
1490 | #if EV_PERIODICS |
1311 | void |
1491 | void |
1312 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1492 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1313 | { |
1493 | { |
1314 | if (ev_is_active (w)) |
1494 | if (expect_false (ev_is_active (w))) |
1315 | return; |
1495 | return; |
1316 | |
1496 | |
1317 | if (w->reschedule_cb) |
1497 | if (w->reschedule_cb) |
1318 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1498 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1319 | else if (w->interval) |
1499 | else if (w->interval) |
1320 | { |
1500 | { |
1321 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1501 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1322 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1502 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1323 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1503 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1324 | } |
1504 | } |
1325 | |
1505 | |
1326 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1506 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1327 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1507 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1328 | periodics [periodiccnt - 1] = w; |
1508 | periodics [periodiccnt - 1] = w; |
1329 | upheap ((WT *)periodics, periodiccnt - 1); |
1509 | upheap ((WT *)periodics, periodiccnt - 1); |
1330 | |
1510 | |
1331 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1511 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1332 | } |
1512 | } |
1333 | |
1513 | |
1334 | void |
1514 | void |
1335 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1515 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1336 | { |
1516 | { |
1337 | ev_clear_pending (EV_A_ (W)w); |
1517 | ev_clear_pending (EV_A_ (W)w); |
1338 | if (!ev_is_active (w)) |
1518 | if (expect_false (!ev_is_active (w))) |
1339 | return; |
1519 | return; |
1340 | |
1520 | |
1341 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1521 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1342 | |
1522 | |
1343 | if (((W)w)->active < periodiccnt--) |
1523 | if (expect_true (((W)w)->active < periodiccnt--)) |
1344 | { |
1524 | { |
1345 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1525 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1346 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1526 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1347 | } |
1527 | } |
1348 | |
1528 | |
1349 | ev_stop (EV_A_ (W)w); |
1529 | ev_stop (EV_A_ (W)w); |
1350 | } |
1530 | } |
1351 | |
1531 | |
1352 | void |
1532 | void |
1353 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1533 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1354 | { |
1534 | { |
|
|
1535 | /* TODO: use adjustheap and recalculation */ |
1355 | ev_periodic_stop (EV_A_ w); |
1536 | ev_periodic_stop (EV_A_ w); |
1356 | ev_periodic_start (EV_A_ w); |
1537 | ev_periodic_start (EV_A_ w); |
1357 | } |
1538 | } |
|
|
1539 | #endif |
1358 | |
1540 | |
1359 | void |
1541 | void |
1360 | ev_idle_start (EV_P_ struct ev_idle *w) |
1542 | ev_idle_start (EV_P_ struct ev_idle *w) |
1361 | { |
1543 | { |
1362 | if (ev_is_active (w)) |
1544 | if (expect_false (ev_is_active (w))) |
1363 | return; |
1545 | return; |
1364 | |
1546 | |
1365 | ev_start (EV_A_ (W)w, ++idlecnt); |
1547 | ev_start (EV_A_ (W)w, ++idlecnt); |
1366 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1548 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1367 | idles [idlecnt - 1] = w; |
1549 | idles [idlecnt - 1] = w; |
1368 | } |
1550 | } |
1369 | |
1551 | |
1370 | void |
1552 | void |
1371 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1553 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1372 | { |
1554 | { |
1373 | ev_clear_pending (EV_A_ (W)w); |
1555 | ev_clear_pending (EV_A_ (W)w); |
1374 | if (ev_is_active (w)) |
1556 | if (expect_false (!ev_is_active (w))) |
1375 | return; |
1557 | return; |
1376 | |
1558 | |
1377 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1559 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1378 | ev_stop (EV_A_ (W)w); |
1560 | ev_stop (EV_A_ (W)w); |
1379 | } |
1561 | } |
1380 | |
1562 | |
1381 | void |
1563 | void |
1382 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1564 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1383 | { |
1565 | { |
1384 | if (ev_is_active (w)) |
1566 | if (expect_false (ev_is_active (w))) |
1385 | return; |
1567 | return; |
1386 | |
1568 | |
1387 | ev_start (EV_A_ (W)w, ++preparecnt); |
1569 | ev_start (EV_A_ (W)w, ++preparecnt); |
1388 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1570 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1389 | prepares [preparecnt - 1] = w; |
1571 | prepares [preparecnt - 1] = w; |
1390 | } |
1572 | } |
1391 | |
1573 | |
1392 | void |
1574 | void |
1393 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1575 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1394 | { |
1576 | { |
1395 | ev_clear_pending (EV_A_ (W)w); |
1577 | ev_clear_pending (EV_A_ (W)w); |
1396 | if (ev_is_active (w)) |
1578 | if (expect_false (!ev_is_active (w))) |
1397 | return; |
1579 | return; |
1398 | |
1580 | |
1399 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1581 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1400 | ev_stop (EV_A_ (W)w); |
1582 | ev_stop (EV_A_ (W)w); |
1401 | } |
1583 | } |
1402 | |
1584 | |
1403 | void |
1585 | void |
1404 | ev_check_start (EV_P_ struct ev_check *w) |
1586 | ev_check_start (EV_P_ struct ev_check *w) |
1405 | { |
1587 | { |
1406 | if (ev_is_active (w)) |
1588 | if (expect_false (ev_is_active (w))) |
1407 | return; |
1589 | return; |
1408 | |
1590 | |
1409 | ev_start (EV_A_ (W)w, ++checkcnt); |
1591 | ev_start (EV_A_ (W)w, ++checkcnt); |
1410 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1592 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1411 | checks [checkcnt - 1] = w; |
1593 | checks [checkcnt - 1] = w; |
1412 | } |
1594 | } |
1413 | |
1595 | |
1414 | void |
1596 | void |
1415 | ev_check_stop (EV_P_ struct ev_check *w) |
1597 | ev_check_stop (EV_P_ struct ev_check *w) |
1416 | { |
1598 | { |
1417 | ev_clear_pending (EV_A_ (W)w); |
1599 | ev_clear_pending (EV_A_ (W)w); |
1418 | if (ev_is_active (w)) |
1600 | if (expect_false (!ev_is_active (w))) |
1419 | return; |
1601 | return; |
1420 | |
1602 | |
1421 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1603 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1422 | ev_stop (EV_A_ (W)w); |
1604 | ev_stop (EV_A_ (W)w); |
1423 | } |
1605 | } |
… | |
… | |
1428 | |
1610 | |
1429 | void |
1611 | void |
1430 | ev_signal_start (EV_P_ struct ev_signal *w) |
1612 | ev_signal_start (EV_P_ struct ev_signal *w) |
1431 | { |
1613 | { |
1432 | #if EV_MULTIPLICITY |
1614 | #if EV_MULTIPLICITY |
1433 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1615 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1434 | #endif |
1616 | #endif |
1435 | if (ev_is_active (w)) |
1617 | if (expect_false (ev_is_active (w))) |
1436 | return; |
1618 | return; |
1437 | |
1619 | |
1438 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1620 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1439 | |
1621 | |
1440 | ev_start (EV_A_ (W)w, 1); |
1622 | ev_start (EV_A_ (W)w, 1); |
1441 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1623 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1442 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1624 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1443 | |
1625 | |
1444 | if (!((WL)w)->next) |
1626 | if (!((WL)w)->next) |
1445 | { |
1627 | { |
1446 | #if WIN32 |
1628 | #if _WIN32 |
1447 | signal (w->signum, sighandler); |
1629 | signal (w->signum, sighandler); |
1448 | #else |
1630 | #else |
1449 | struct sigaction sa; |
1631 | struct sigaction sa; |
1450 | sa.sa_handler = sighandler; |
1632 | sa.sa_handler = sighandler; |
1451 | sigfillset (&sa.sa_mask); |
1633 | sigfillset (&sa.sa_mask); |
… | |
… | |
1457 | |
1639 | |
1458 | void |
1640 | void |
1459 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1641 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1460 | { |
1642 | { |
1461 | ev_clear_pending (EV_A_ (W)w); |
1643 | ev_clear_pending (EV_A_ (W)w); |
1462 | if (!ev_is_active (w)) |
1644 | if (expect_false (!ev_is_active (w))) |
1463 | return; |
1645 | return; |
1464 | |
1646 | |
1465 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1647 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1466 | ev_stop (EV_A_ (W)w); |
1648 | ev_stop (EV_A_ (W)w); |
1467 | |
1649 | |
… | |
… | |
1471 | |
1653 | |
1472 | void |
1654 | void |
1473 | ev_child_start (EV_P_ struct ev_child *w) |
1655 | ev_child_start (EV_P_ struct ev_child *w) |
1474 | { |
1656 | { |
1475 | #if EV_MULTIPLICITY |
1657 | #if EV_MULTIPLICITY |
1476 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1658 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1477 | #endif |
1659 | #endif |
1478 | if (ev_is_active (w)) |
1660 | if (expect_false (ev_is_active (w))) |
1479 | return; |
1661 | return; |
1480 | |
1662 | |
1481 | ev_start (EV_A_ (W)w, 1); |
1663 | ev_start (EV_A_ (W)w, 1); |
1482 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1664 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1483 | } |
1665 | } |
1484 | |
1666 | |
1485 | void |
1667 | void |
1486 | ev_child_stop (EV_P_ struct ev_child *w) |
1668 | ev_child_stop (EV_P_ struct ev_child *w) |
1487 | { |
1669 | { |
1488 | ev_clear_pending (EV_A_ (W)w); |
1670 | ev_clear_pending (EV_A_ (W)w); |
1489 | if (ev_is_active (w)) |
1671 | if (expect_false (!ev_is_active (w))) |
1490 | return; |
1672 | return; |
1491 | |
1673 | |
1492 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1674 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1493 | ev_stop (EV_A_ (W)w); |
1675 | ev_stop (EV_A_ (W)w); |
1494 | } |
1676 | } |
|
|
1677 | |
|
|
1678 | #if EV_MULTIPLICITY |
|
|
1679 | static void |
|
|
1680 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1681 | { |
|
|
1682 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1683 | |
|
|
1684 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1685 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | void |
|
|
1689 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1690 | { |
|
|
1691 | if (expect_false (ev_is_active (w))) |
|
|
1692 | return; |
|
|
1693 | |
|
|
1694 | { |
|
|
1695 | struct ev_loop *loop = w->loop; |
|
|
1696 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1697 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1698 | } |
|
|
1699 | |
|
|
1700 | ev_io_start (EV_A_ &w->io); |
|
|
1701 | ev_start (EV_A_ (W)w, 1); |
|
|
1702 | } |
|
|
1703 | |
|
|
1704 | void |
|
|
1705 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1706 | { |
|
|
1707 | ev_clear_pending (EV_A_ (W)w); |
|
|
1708 | if (expect_false (!ev_is_active (w))) |
|
|
1709 | return; |
|
|
1710 | |
|
|
1711 | ev_io_stop (EV_A_ &w->io); |
|
|
1712 | ev_stop (EV_A_ (W)w); |
|
|
1713 | } |
|
|
1714 | #endif |
1495 | |
1715 | |
1496 | /*****************************************************************************/ |
1716 | /*****************************************************************************/ |
1497 | |
1717 | |
1498 | struct ev_once |
1718 | struct ev_once |
1499 | { |
1719 | { |
… | |
… | |
1531 | void |
1751 | void |
1532 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1752 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1533 | { |
1753 | { |
1534 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1754 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1535 | |
1755 | |
1536 | if (!once) |
1756 | if (expect_false (!once)) |
|
|
1757 | { |
1537 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1758 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1538 | else |
1759 | return; |
1539 | { |
1760 | } |
|
|
1761 | |
1540 | once->cb = cb; |
1762 | once->cb = cb; |
1541 | once->arg = arg; |
1763 | once->arg = arg; |
1542 | |
1764 | |
1543 | ev_watcher_init (&once->io, once_cb_io); |
1765 | ev_init (&once->io, once_cb_io); |
1544 | if (fd >= 0) |
1766 | if (fd >= 0) |
1545 | { |
1767 | { |
1546 | ev_io_set (&once->io, fd, events); |
1768 | ev_io_set (&once->io, fd, events); |
1547 | ev_io_start (EV_A_ &once->io); |
1769 | ev_io_start (EV_A_ &once->io); |
1548 | } |
1770 | } |
1549 | |
1771 | |
1550 | ev_watcher_init (&once->to, once_cb_to); |
1772 | ev_init (&once->to, once_cb_to); |
1551 | if (timeout >= 0.) |
1773 | if (timeout >= 0.) |
1552 | { |
1774 | { |
1553 | ev_timer_set (&once->to, timeout, 0.); |
1775 | ev_timer_set (&once->to, timeout, 0.); |
1554 | ev_timer_start (EV_A_ &once->to); |
1776 | ev_timer_start (EV_A_ &once->to); |
1555 | } |
|
|
1556 | } |
1777 | } |
1557 | } |
1778 | } |
1558 | |
1779 | |
|
|
1780 | #ifdef __cplusplus |
|
|
1781 | } |
|
|
1782 | #endif |
|
|
1783 | |