… | |
… | |
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" |
33 | |
38 | |
34 | # if HAVE_CLOCK_GETTIME |
39 | # if HAVE_CLOCK_GETTIME |
|
|
40 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
|
|
42 | # endif |
|
|
43 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
|
|
45 | # endif |
37 | # endif |
46 | # endif |
38 | |
47 | |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
40 | # define EV_USE_SELECT 1 |
49 | # define EV_USE_SELECT 1 |
41 | # endif |
50 | # endif |
42 | |
51 | |
43 | # if HAVE_POLL && HAVE_POLL_H |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
44 | # define EV_USE_POLL 1 |
53 | # define EV_USE_POLL 1 |
45 | # endif |
54 | # endif |
46 | |
55 | |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
48 | # define EV_USE_EPOLL 1 |
57 | # define EV_USE_EPOLL 1 |
49 | # endif |
58 | # endif |
50 | |
59 | |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
52 | # define EV_USE_KQUEUE 1 |
61 | # define EV_USE_KQUEUE 1 |
|
|
62 | # endif |
|
|
63 | |
|
|
64 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
|
|
65 | # define EV_USE_PORT 1 |
53 | # endif |
66 | # endif |
54 | |
67 | |
55 | #endif |
68 | #endif |
56 | |
69 | |
57 | #include <math.h> |
70 | #include <math.h> |
… | |
… | |
66 | #include <sys/types.h> |
79 | #include <sys/types.h> |
67 | #include <time.h> |
80 | #include <time.h> |
68 | |
81 | |
69 | #include <signal.h> |
82 | #include <signal.h> |
70 | |
83 | |
71 | #ifndef WIN32 |
84 | #ifndef _WIN32 |
72 | # include <unistd.h> |
85 | # include <unistd.h> |
73 | # include <sys/time.h> |
86 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
87 | # include <sys/wait.h> |
|
|
88 | #else |
|
|
89 | # define WIN32_LEAN_AND_MEAN |
|
|
90 | # include <windows.h> |
|
|
91 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
92 | # define EV_SELECT_IS_WINSOCKET 1 |
75 | #endif |
93 | # endif |
|
|
94 | #endif |
|
|
95 | |
76 | /**/ |
96 | /**/ |
77 | |
97 | |
78 | #ifndef EV_USE_MONOTONIC |
98 | #ifndef EV_USE_MONOTONIC |
79 | # define EV_USE_MONOTONIC 1 |
99 | # define EV_USE_MONOTONIC 1 |
80 | #endif |
100 | #endif |
81 | |
101 | |
|
|
102 | #ifndef EV_USE_REALTIME |
|
|
103 | # define EV_USE_REALTIME 1 |
|
|
104 | #endif |
|
|
105 | |
82 | #ifndef EV_USE_SELECT |
106 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
107 | # define EV_USE_SELECT 1 |
|
|
108 | # define EV_SELECT_USE_FD_SET 1 |
84 | #endif |
109 | #endif |
85 | |
110 | |
86 | #ifndef EV_USE_POLL |
111 | #ifndef EV_USE_POLL |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
112 | # ifdef _WIN32 |
|
|
113 | # define EV_USE_POLL 0 |
|
|
114 | # else |
|
|
115 | # define EV_USE_POLL 1 |
|
|
116 | # endif |
88 | #endif |
117 | #endif |
89 | |
118 | |
90 | #ifndef EV_USE_EPOLL |
119 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
120 | # define EV_USE_EPOLL 0 |
92 | #endif |
121 | #endif |
93 | |
122 | |
94 | #ifndef EV_USE_KQUEUE |
123 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
124 | # define EV_USE_KQUEUE 0 |
96 | #endif |
125 | #endif |
97 | |
126 | |
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 |
127 | #ifndef EV_USE_PORT |
109 | # define EV_USE_REALTIME 1 |
128 | # define EV_USE_PORT 0 |
110 | #endif |
129 | #endif |
111 | |
130 | |
112 | /**/ |
131 | /**/ |
|
|
132 | |
|
|
133 | /* darwin simply cannot be helped */ |
|
|
134 | #ifdef __APPLE__ |
|
|
135 | # undef EV_USE_POLL |
|
|
136 | # undef EV_USE_KQUEUE |
|
|
137 | #endif |
113 | |
138 | |
114 | #ifndef CLOCK_MONOTONIC |
139 | #ifndef CLOCK_MONOTONIC |
115 | # undef EV_USE_MONOTONIC |
140 | # undef EV_USE_MONOTONIC |
116 | # define EV_USE_MONOTONIC 0 |
141 | # define EV_USE_MONOTONIC 0 |
117 | #endif |
142 | #endif |
… | |
… | |
119 | #ifndef CLOCK_REALTIME |
144 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
145 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
146 | # define EV_USE_REALTIME 0 |
122 | #endif |
147 | #endif |
123 | |
148 | |
|
|
149 | #if EV_SELECT_IS_WINSOCKET |
|
|
150 | # include <winsock.h> |
|
|
151 | #endif |
|
|
152 | |
124 | /**/ |
153 | /**/ |
125 | |
154 | |
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
155 | #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) */ |
156 | #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 */ |
157 | #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 */ |
158 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
130 | |
159 | |
131 | #ifdef EV_H |
160 | #ifdef EV_H |
132 | # include EV_H |
161 | # include EV_H |
133 | #else |
162 | #else |
134 | # include "ev.h" |
163 | # include "ev.h" |
… | |
… | |
146 | #define expect_true(expr) expect ((expr) != 0, 1) |
175 | #define expect_true(expr) expect ((expr) != 0, 1) |
147 | |
176 | |
148 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
177 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
149 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
178 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
150 | |
179 | |
|
|
180 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
181 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
182 | |
151 | typedef struct ev_watcher *W; |
183 | typedef struct ev_watcher *W; |
152 | typedef struct ev_watcher_list *WL; |
184 | typedef struct ev_watcher_list *WL; |
153 | typedef struct ev_watcher_time *WT; |
185 | typedef struct ev_watcher_time *WT; |
154 | |
186 | |
155 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
187 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
156 | |
188 | |
|
|
189 | #ifdef _WIN32 |
157 | #include "ev_win32.c" |
190 | # include "ev_win32.c" |
|
|
191 | #endif |
158 | |
192 | |
159 | /*****************************************************************************/ |
193 | /*****************************************************************************/ |
160 | |
194 | |
161 | static void (*syserr_cb)(const char *msg); |
195 | static void (*syserr_cb)(const char *msg); |
162 | |
196 | |
… | |
… | |
209 | typedef struct |
243 | typedef struct |
210 | { |
244 | { |
211 | WL head; |
245 | WL head; |
212 | unsigned char events; |
246 | unsigned char events; |
213 | unsigned char reify; |
247 | unsigned char reify; |
|
|
248 | #if EV_SELECT_IS_WINSOCKET |
|
|
249 | SOCKET handle; |
|
|
250 | #endif |
214 | } ANFD; |
251 | } ANFD; |
215 | |
252 | |
216 | typedef struct |
253 | typedef struct |
217 | { |
254 | { |
218 | W w; |
255 | W w; |
… | |
… | |
221 | |
258 | |
222 | #if EV_MULTIPLICITY |
259 | #if EV_MULTIPLICITY |
223 | |
260 | |
224 | struct ev_loop |
261 | struct ev_loop |
225 | { |
262 | { |
|
|
263 | ev_tstamp ev_rt_now; |
|
|
264 | #define ev_rt_now ((loop)->ev_rt_now) |
226 | #define VAR(name,decl) decl; |
265 | #define VAR(name,decl) decl; |
227 | #include "ev_vars.h" |
266 | #include "ev_vars.h" |
228 | #undef VAR |
267 | #undef VAR |
229 | }; |
268 | }; |
230 | #include "ev_wrap.h" |
269 | #include "ev_wrap.h" |
231 | |
270 | |
232 | struct ev_loop default_loop_struct; |
271 | static struct ev_loop default_loop_struct; |
233 | static struct ev_loop *default_loop; |
272 | struct ev_loop *ev_default_loop_ptr; |
234 | |
273 | |
235 | #else |
274 | #else |
236 | |
275 | |
|
|
276 | ev_tstamp ev_rt_now; |
237 | #define VAR(name,decl) static decl; |
277 | #define VAR(name,decl) static decl; |
238 | #include "ev_vars.h" |
278 | #include "ev_vars.h" |
239 | #undef VAR |
279 | #undef VAR |
240 | |
280 | |
241 | static int default_loop; |
281 | static int ev_default_loop_ptr; |
242 | |
282 | |
243 | #endif |
283 | #endif |
244 | |
284 | |
245 | /*****************************************************************************/ |
285 | /*****************************************************************************/ |
246 | |
286 | |
247 | inline ev_tstamp |
287 | ev_tstamp |
248 | ev_time (void) |
288 | ev_time (void) |
249 | { |
289 | { |
250 | #if EV_USE_REALTIME |
290 | #if EV_USE_REALTIME |
251 | struct timespec ts; |
291 | struct timespec ts; |
252 | clock_gettime (CLOCK_REALTIME, &ts); |
292 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
271 | #endif |
311 | #endif |
272 | |
312 | |
273 | return ev_time (); |
313 | return ev_time (); |
274 | } |
314 | } |
275 | |
315 | |
|
|
316 | #if EV_MULTIPLICITY |
276 | ev_tstamp |
317 | ev_tstamp |
277 | ev_now (EV_P) |
318 | ev_now (EV_P) |
278 | { |
319 | { |
279 | return rt_now; |
320 | return ev_rt_now; |
280 | } |
321 | } |
|
|
322 | #endif |
281 | |
323 | |
282 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
324 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
283 | |
325 | |
284 | #define array_needsize(type,base,cur,cnt,init) \ |
326 | #define array_needsize(type,base,cur,cnt,init) \ |
285 | if (expect_false ((cnt) > cur)) \ |
327 | if (expect_false ((cnt) > cur)) \ |
286 | { \ |
328 | { \ |
287 | int newcnt = cur; \ |
329 | int newcnt = cur; \ |
… | |
… | |
302 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
344 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
303 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
345 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
304 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
346 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
305 | } |
347 | } |
306 | |
348 | |
307 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
308 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
309 | #define array_free_microshit(stem) \ |
|
|
310 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
311 | |
|
|
312 | #define array_free(stem, idx) \ |
349 | #define array_free(stem, idx) \ |
313 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
350 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
314 | |
351 | |
315 | /*****************************************************************************/ |
352 | /*****************************************************************************/ |
316 | |
353 | |
… | |
… | |
337 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
374 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
338 | return; |
375 | return; |
339 | } |
376 | } |
340 | |
377 | |
341 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
378 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
342 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
379 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
343 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
380 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
344 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
381 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
345 | } |
382 | } |
346 | |
383 | |
347 | static void |
384 | static void |
… | |
… | |
390 | int events = 0; |
427 | int events = 0; |
391 | |
428 | |
392 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
429 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
393 | events |= w->events; |
430 | events |= w->events; |
394 | |
431 | |
|
|
432 | #if EV_SELECT_IS_WINSOCKET |
|
|
433 | if (events) |
|
|
434 | { |
|
|
435 | unsigned long argp; |
|
|
436 | anfd->handle = _get_osfhandle (fd); |
|
|
437 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
438 | } |
|
|
439 | #endif |
|
|
440 | |
395 | anfd->reify = 0; |
441 | anfd->reify = 0; |
396 | |
442 | |
397 | method_modify (EV_A_ fd, anfd->events, events); |
443 | method_modify (EV_A_ fd, anfd->events, events); |
398 | anfd->events = events; |
444 | anfd->events = events; |
399 | } |
445 | } |
… | |
… | |
408 | return; |
454 | return; |
409 | |
455 | |
410 | anfds [fd].reify = 1; |
456 | anfds [fd].reify = 1; |
411 | |
457 | |
412 | ++fdchangecnt; |
458 | ++fdchangecnt; |
413 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
459 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
414 | fdchanges [fdchangecnt - 1] = fd; |
460 | fdchanges [fdchangecnt - 1] = fd; |
415 | } |
461 | } |
416 | |
462 | |
417 | static void |
463 | static void |
418 | fd_kill (EV_P_ int fd) |
464 | fd_kill (EV_P_ int fd) |
… | |
… | |
427 | } |
473 | } |
428 | |
474 | |
429 | static int |
475 | static int |
430 | fd_valid (int fd) |
476 | fd_valid (int fd) |
431 | { |
477 | { |
432 | #ifdef WIN32 |
478 | #ifdef _WIN32 |
433 | return !!win32_get_osfhandle (fd); |
479 | return _get_osfhandle (fd) != -1; |
434 | #else |
480 | #else |
435 | return fcntl (fd, F_GETFD) != -1; |
481 | return fcntl (fd, F_GETFD) != -1; |
436 | #endif |
482 | #endif |
437 | } |
483 | } |
438 | |
484 | |
… | |
… | |
518 | |
564 | |
519 | heap [k] = w; |
565 | heap [k] = w; |
520 | ((W)heap [k])->active = k + 1; |
566 | ((W)heap [k])->active = k + 1; |
521 | } |
567 | } |
522 | |
568 | |
|
|
569 | inline void |
|
|
570 | adjustheap (WT *heap, int N, int k) |
|
|
571 | { |
|
|
572 | upheap (heap, k); |
|
|
573 | downheap (heap, N, k); |
|
|
574 | } |
|
|
575 | |
523 | /*****************************************************************************/ |
576 | /*****************************************************************************/ |
524 | |
577 | |
525 | typedef struct |
578 | typedef struct |
526 | { |
579 | { |
527 | WL head; |
580 | WL head; |
… | |
… | |
548 | } |
601 | } |
549 | |
602 | |
550 | static void |
603 | static void |
551 | sighandler (int signum) |
604 | sighandler (int signum) |
552 | { |
605 | { |
553 | #if WIN32 |
606 | #if _WIN32 |
554 | signal (signum, sighandler); |
607 | signal (signum, sighandler); |
555 | #endif |
608 | #endif |
556 | |
609 | |
557 | signals [signum - 1].gotsig = 1; |
610 | signals [signum - 1].gotsig = 1; |
558 | |
611 | |
559 | if (!gotsig) |
612 | if (!gotsig) |
560 | { |
613 | { |
561 | int old_errno = errno; |
614 | int old_errno = errno; |
562 | gotsig = 1; |
615 | gotsig = 1; |
563 | #ifdef WIN32 |
|
|
564 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
565 | #else |
|
|
566 | write (sigpipe [1], &signum, 1); |
616 | write (sigpipe [1], &signum, 1); |
567 | #endif |
|
|
568 | errno = old_errno; |
617 | errno = old_errno; |
569 | } |
618 | } |
570 | } |
619 | } |
571 | |
620 | |
572 | void |
621 | void |
573 | ev_feed_signal_event (EV_P_ int signum) |
622 | ev_feed_signal_event (EV_P_ int signum) |
574 | { |
623 | { |
575 | WL w; |
624 | WL w; |
576 | |
625 | |
577 | #if EV_MULTIPLICITY |
626 | #if EV_MULTIPLICITY |
578 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
627 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
579 | #endif |
628 | #endif |
580 | |
629 | |
581 | --signum; |
630 | --signum; |
582 | |
631 | |
583 | if (signum < 0 || signum >= signalmax) |
632 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
592 | static void |
641 | static void |
593 | sigcb (EV_P_ struct ev_io *iow, int revents) |
642 | sigcb (EV_P_ struct ev_io *iow, int revents) |
594 | { |
643 | { |
595 | int signum; |
644 | int signum; |
596 | |
645 | |
597 | #ifdef WIN32 |
|
|
598 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
599 | #else |
|
|
600 | read (sigpipe [0], &revents, 1); |
646 | read (sigpipe [0], &revents, 1); |
601 | #endif |
|
|
602 | gotsig = 0; |
647 | gotsig = 0; |
603 | |
648 | |
604 | for (signum = signalmax; signum--; ) |
649 | for (signum = signalmax; signum--; ) |
605 | if (signals [signum].gotsig) |
650 | if (signals [signum].gotsig) |
606 | ev_feed_signal_event (EV_A_ signum + 1); |
651 | ev_feed_signal_event (EV_A_ signum + 1); |
607 | } |
652 | } |
608 | |
653 | |
|
|
654 | inline void |
|
|
655 | fd_intern (int fd) |
|
|
656 | { |
|
|
657 | #ifdef _WIN32 |
|
|
658 | int arg = 1; |
|
|
659 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
660 | #else |
|
|
661 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
662 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
663 | #endif |
|
|
664 | } |
|
|
665 | |
609 | static void |
666 | static void |
610 | siginit (EV_P) |
667 | siginit (EV_P) |
611 | { |
668 | { |
612 | #ifndef WIN32 |
669 | fd_intern (sigpipe [0]); |
613 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
670 | fd_intern (sigpipe [1]); |
614 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
615 | |
|
|
616 | /* rather than sort out wether we really need nb, set it */ |
|
|
617 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
618 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
619 | #endif |
|
|
620 | |
671 | |
621 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
672 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
622 | ev_io_start (EV_A_ &sigev); |
673 | ev_io_start (EV_A_ &sigev); |
623 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
674 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
624 | } |
675 | } |
625 | |
676 | |
626 | /*****************************************************************************/ |
677 | /*****************************************************************************/ |
627 | |
678 | |
628 | static struct ev_child *childs [PID_HASHSIZE]; |
679 | static struct ev_child *childs [PID_HASHSIZE]; |
629 | |
680 | |
630 | #ifndef WIN32 |
681 | #ifndef _WIN32 |
631 | |
682 | |
632 | static struct ev_signal childev; |
683 | static struct ev_signal childev; |
633 | |
684 | |
634 | #ifndef WCONTINUED |
685 | #ifndef WCONTINUED |
635 | # define WCONTINUED 0 |
686 | # define WCONTINUED 0 |
… | |
… | |
667 | |
718 | |
668 | #endif |
719 | #endif |
669 | |
720 | |
670 | /*****************************************************************************/ |
721 | /*****************************************************************************/ |
671 | |
722 | |
|
|
723 | #if EV_USE_PORT |
|
|
724 | # include "ev_port.c" |
|
|
725 | #endif |
672 | #if EV_USE_KQUEUE |
726 | #if EV_USE_KQUEUE |
673 | # include "ev_kqueue.c" |
727 | # include "ev_kqueue.c" |
674 | #endif |
728 | #endif |
675 | #if EV_USE_EPOLL |
729 | #if EV_USE_EPOLL |
676 | # include "ev_epoll.c" |
730 | # include "ev_epoll.c" |
… | |
… | |
696 | |
750 | |
697 | /* return true if we are running with elevated privileges and should ignore env variables */ |
751 | /* return true if we are running with elevated privileges and should ignore env variables */ |
698 | static int |
752 | static int |
699 | enable_secure (void) |
753 | enable_secure (void) |
700 | { |
754 | { |
701 | #ifdef WIN32 |
755 | #ifdef _WIN32 |
702 | return 0; |
756 | return 0; |
703 | #else |
757 | #else |
704 | return getuid () != geteuid () |
758 | return getuid () != geteuid () |
705 | || getgid () != getegid (); |
759 | || getgid () != getegid (); |
706 | #endif |
760 | #endif |
707 | } |
761 | } |
708 | |
762 | |
709 | int |
763 | unsigned int |
710 | ev_method (EV_P) |
764 | ev_method (EV_P) |
711 | { |
765 | { |
712 | return method; |
766 | return method; |
713 | } |
767 | } |
714 | |
768 | |
715 | static void |
769 | static void |
716 | loop_init (EV_P_ int methods) |
770 | loop_init (EV_P_ unsigned int flags) |
717 | { |
771 | { |
718 | if (!method) |
772 | if (!method) |
719 | { |
773 | { |
720 | #if EV_USE_MONOTONIC |
774 | #if EV_USE_MONOTONIC |
721 | { |
775 | { |
… | |
… | |
723 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
777 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
724 | have_monotonic = 1; |
778 | have_monotonic = 1; |
725 | } |
779 | } |
726 | #endif |
780 | #endif |
727 | |
781 | |
728 | rt_now = ev_time (); |
782 | ev_rt_now = ev_time (); |
729 | mn_now = get_clock (); |
783 | mn_now = get_clock (); |
730 | now_floor = mn_now; |
784 | now_floor = mn_now; |
731 | rtmn_diff = rt_now - mn_now; |
785 | rtmn_diff = ev_rt_now - mn_now; |
732 | |
786 | |
733 | if (methods == EVMETHOD_AUTO) |
787 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
734 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
735 | methods = atoi (getenv ("LIBEV_METHODS")); |
788 | flags = atoi (getenv ("LIBEV_FLAGS")); |
736 | else |
789 | |
737 | methods = EVMETHOD_ANY; |
790 | if (!(flags & 0x0000ffff)) |
|
|
791 | flags |= 0x0000ffff; |
738 | |
792 | |
739 | method = 0; |
793 | method = 0; |
740 | #if EV_USE_WIN32 |
794 | #if EV_USE_PORT |
741 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
795 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
742 | #endif |
796 | #endif |
743 | #if EV_USE_KQUEUE |
797 | #if EV_USE_KQUEUE |
744 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
798 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
745 | #endif |
799 | #endif |
746 | #if EV_USE_EPOLL |
800 | #if EV_USE_EPOLL |
747 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
801 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
748 | #endif |
802 | #endif |
749 | #if EV_USE_POLL |
803 | #if EV_USE_POLL |
750 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
804 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
751 | #endif |
805 | #endif |
752 | #if EV_USE_SELECT |
806 | #if EV_USE_SELECT |
753 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
807 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
754 | #endif |
808 | #endif |
755 | |
809 | |
756 | ev_watcher_init (&sigev, sigcb); |
810 | ev_init (&sigev, sigcb); |
757 | ev_set_priority (&sigev, EV_MAXPRI); |
811 | ev_set_priority (&sigev, EV_MAXPRI); |
758 | } |
812 | } |
759 | } |
813 | } |
760 | |
814 | |
761 | void |
815 | void |
762 | loop_destroy (EV_P) |
816 | loop_destroy (EV_P) |
763 | { |
817 | { |
764 | int i; |
818 | int i; |
765 | |
819 | |
766 | #if EV_USE_WIN32 |
820 | #if EV_USE_PORT |
767 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
821 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
768 | #endif |
822 | #endif |
769 | #if EV_USE_KQUEUE |
823 | #if EV_USE_KQUEUE |
770 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
824 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
771 | #endif |
825 | #endif |
772 | #if EV_USE_EPOLL |
826 | #if EV_USE_EPOLL |
… | |
… | |
781 | |
835 | |
782 | for (i = NUMPRI; i--; ) |
836 | for (i = NUMPRI; i--; ) |
783 | array_free (pending, [i]); |
837 | array_free (pending, [i]); |
784 | |
838 | |
785 | /* have to use the microsoft-never-gets-it-right macro */ |
839 | /* have to use the microsoft-never-gets-it-right macro */ |
786 | array_free_microshit (fdchange); |
840 | array_free (fdchange, EMPTY0); |
787 | array_free_microshit (timer); |
841 | array_free (timer, EMPTY0); |
788 | array_free_microshit (periodic); |
842 | #if EV_PERIODICS |
789 | array_free_microshit (idle); |
843 | array_free (periodic, EMPTY0); |
790 | array_free_microshit (prepare); |
844 | #endif |
791 | array_free_microshit (check); |
845 | array_free (idle, EMPTY0); |
|
|
846 | array_free (prepare, EMPTY0); |
|
|
847 | array_free (check, EMPTY0); |
792 | |
848 | |
793 | method = 0; |
849 | method = 0; |
794 | } |
850 | } |
795 | |
851 | |
796 | static void |
852 | static void |
797 | loop_fork (EV_P) |
853 | loop_fork (EV_P) |
798 | { |
854 | { |
|
|
855 | #if EV_USE_PORT |
|
|
856 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
|
|
857 | #endif |
|
|
858 | #if EV_USE_KQUEUE |
|
|
859 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
860 | #endif |
799 | #if EV_USE_EPOLL |
861 | #if EV_USE_EPOLL |
800 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
862 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
801 | #endif |
|
|
802 | #if EV_USE_KQUEUE |
|
|
803 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
804 | #endif |
863 | #endif |
805 | |
864 | |
806 | if (ev_is_active (&sigev)) |
865 | if (ev_is_active (&sigev)) |
807 | { |
866 | { |
808 | /* default loop */ |
867 | /* default loop */ |
… | |
… | |
821 | postfork = 0; |
880 | postfork = 0; |
822 | } |
881 | } |
823 | |
882 | |
824 | #if EV_MULTIPLICITY |
883 | #if EV_MULTIPLICITY |
825 | struct ev_loop * |
884 | struct ev_loop * |
826 | ev_loop_new (int methods) |
885 | ev_loop_new (unsigned int flags) |
827 | { |
886 | { |
828 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
887 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
829 | |
888 | |
830 | memset (loop, 0, sizeof (struct ev_loop)); |
889 | memset (loop, 0, sizeof (struct ev_loop)); |
831 | |
890 | |
832 | loop_init (EV_A_ methods); |
891 | loop_init (EV_A_ flags); |
833 | |
892 | |
834 | if (ev_method (EV_A)) |
893 | if (ev_method (EV_A)) |
835 | return loop; |
894 | return loop; |
836 | |
895 | |
837 | return 0; |
896 | return 0; |
… | |
… | |
852 | |
911 | |
853 | #endif |
912 | #endif |
854 | |
913 | |
855 | #if EV_MULTIPLICITY |
914 | #if EV_MULTIPLICITY |
856 | struct ev_loop * |
915 | struct ev_loop * |
|
|
916 | ev_default_loop_ (unsigned int flags) |
857 | #else |
917 | #else |
858 | int |
918 | int |
|
|
919 | ev_default_loop (unsigned int flags) |
859 | #endif |
920 | #endif |
860 | ev_default_loop (int methods) |
|
|
861 | { |
921 | { |
862 | if (sigpipe [0] == sigpipe [1]) |
922 | if (sigpipe [0] == sigpipe [1]) |
863 | if (pipe (sigpipe)) |
923 | if (pipe (sigpipe)) |
864 | return 0; |
924 | return 0; |
865 | |
925 | |
866 | if (!default_loop) |
926 | if (!ev_default_loop_ptr) |
867 | { |
927 | { |
868 | #if EV_MULTIPLICITY |
928 | #if EV_MULTIPLICITY |
869 | struct ev_loop *loop = default_loop = &default_loop_struct; |
929 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
870 | #else |
930 | #else |
871 | default_loop = 1; |
931 | ev_default_loop_ptr = 1; |
872 | #endif |
932 | #endif |
873 | |
933 | |
874 | loop_init (EV_A_ methods); |
934 | loop_init (EV_A_ flags); |
875 | |
935 | |
876 | if (ev_method (EV_A)) |
936 | if (ev_method (EV_A)) |
877 | { |
937 | { |
878 | siginit (EV_A); |
938 | siginit (EV_A); |
879 | |
939 | |
880 | #ifndef WIN32 |
940 | #ifndef _WIN32 |
881 | ev_signal_init (&childev, childcb, SIGCHLD); |
941 | ev_signal_init (&childev, childcb, SIGCHLD); |
882 | ev_set_priority (&childev, EV_MAXPRI); |
942 | ev_set_priority (&childev, EV_MAXPRI); |
883 | ev_signal_start (EV_A_ &childev); |
943 | ev_signal_start (EV_A_ &childev); |
884 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
944 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
885 | #endif |
945 | #endif |
886 | } |
946 | } |
887 | else |
947 | else |
888 | default_loop = 0; |
948 | ev_default_loop_ptr = 0; |
889 | } |
949 | } |
890 | |
950 | |
891 | return default_loop; |
951 | return ev_default_loop_ptr; |
892 | } |
952 | } |
893 | |
953 | |
894 | void |
954 | void |
895 | ev_default_destroy (void) |
955 | ev_default_destroy (void) |
896 | { |
956 | { |
897 | #if EV_MULTIPLICITY |
957 | #if EV_MULTIPLICITY |
898 | struct ev_loop *loop = default_loop; |
958 | struct ev_loop *loop = ev_default_loop_ptr; |
899 | #endif |
959 | #endif |
900 | |
960 | |
901 | #ifndef WIN32 |
961 | #ifndef _WIN32 |
902 | ev_ref (EV_A); /* child watcher */ |
962 | ev_ref (EV_A); /* child watcher */ |
903 | ev_signal_stop (EV_A_ &childev); |
963 | ev_signal_stop (EV_A_ &childev); |
904 | #endif |
964 | #endif |
905 | |
965 | |
906 | ev_ref (EV_A); /* signal watcher */ |
966 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
914 | |
974 | |
915 | void |
975 | void |
916 | ev_default_fork (void) |
976 | ev_default_fork (void) |
917 | { |
977 | { |
918 | #if EV_MULTIPLICITY |
978 | #if EV_MULTIPLICITY |
919 | struct ev_loop *loop = default_loop; |
979 | struct ev_loop *loop = ev_default_loop_ptr; |
920 | #endif |
980 | #endif |
921 | |
981 | |
922 | if (method) |
982 | if (method) |
923 | postfork = 1; |
983 | postfork = 1; |
924 | } |
984 | } |
… | |
… | |
966 | |
1026 | |
967 | /* first reschedule or stop timer */ |
1027 | /* first reschedule or stop timer */ |
968 | if (w->repeat) |
1028 | if (w->repeat) |
969 | { |
1029 | { |
970 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1030 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1031 | |
971 | ((WT)w)->at = mn_now + w->repeat; |
1032 | ((WT)w)->at += w->repeat; |
|
|
1033 | if (((WT)w)->at < mn_now) |
|
|
1034 | ((WT)w)->at = mn_now; |
|
|
1035 | |
972 | downheap ((WT *)timers, timercnt, 0); |
1036 | downheap ((WT *)timers, timercnt, 0); |
973 | } |
1037 | } |
974 | else |
1038 | else |
975 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1039 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
976 | |
1040 | |
977 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1041 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
978 | } |
1042 | } |
979 | } |
1043 | } |
980 | |
1044 | |
|
|
1045 | #if EV_PERIODICS |
981 | static void |
1046 | static void |
982 | periodics_reify (EV_P) |
1047 | periodics_reify (EV_P) |
983 | { |
1048 | { |
984 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1049 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
985 | { |
1050 | { |
986 | struct ev_periodic *w = periodics [0]; |
1051 | struct ev_periodic *w = periodics [0]; |
987 | |
1052 | |
988 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1053 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
989 | |
1054 | |
990 | /* first reschedule or stop timer */ |
1055 | /* first reschedule or stop timer */ |
991 | if (w->reschedule_cb) |
1056 | if (w->reschedule_cb) |
992 | { |
1057 | { |
993 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); |
1058 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
994 | |
|
|
995 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); |
1059 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
996 | downheap ((WT *)periodics, periodiccnt, 0); |
1060 | downheap ((WT *)periodics, periodiccnt, 0); |
997 | } |
1061 | } |
998 | else if (w->interval) |
1062 | else if (w->interval) |
999 | { |
1063 | { |
1000 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1064 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1001 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1065 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1002 | downheap ((WT *)periodics, periodiccnt, 0); |
1066 | downheap ((WT *)periodics, periodiccnt, 0); |
1003 | } |
1067 | } |
1004 | else |
1068 | else |
1005 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1069 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1006 | |
1070 | |
… | |
… | |
1017 | for (i = 0; i < periodiccnt; ++i) |
1081 | for (i = 0; i < periodiccnt; ++i) |
1018 | { |
1082 | { |
1019 | struct ev_periodic *w = periodics [i]; |
1083 | struct ev_periodic *w = periodics [i]; |
1020 | |
1084 | |
1021 | if (w->reschedule_cb) |
1085 | if (w->reschedule_cb) |
1022 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1086 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1023 | else if (w->interval) |
1087 | else if (w->interval) |
1024 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1088 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1025 | } |
1089 | } |
1026 | |
1090 | |
1027 | /* now rebuild the heap */ |
1091 | /* now rebuild the heap */ |
1028 | for (i = periodiccnt >> 1; i--; ) |
1092 | for (i = periodiccnt >> 1; i--; ) |
1029 | downheap ((WT *)periodics, periodiccnt, i); |
1093 | downheap ((WT *)periodics, periodiccnt, i); |
1030 | } |
1094 | } |
|
|
1095 | #endif |
1031 | |
1096 | |
1032 | inline int |
1097 | inline int |
1033 | time_update_monotonic (EV_P) |
1098 | time_update_monotonic (EV_P) |
1034 | { |
1099 | { |
1035 | mn_now = get_clock (); |
1100 | mn_now = get_clock (); |
1036 | |
1101 | |
1037 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1102 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1038 | { |
1103 | { |
1039 | rt_now = rtmn_diff + mn_now; |
1104 | ev_rt_now = rtmn_diff + mn_now; |
1040 | return 0; |
1105 | return 0; |
1041 | } |
1106 | } |
1042 | else |
1107 | else |
1043 | { |
1108 | { |
1044 | now_floor = mn_now; |
1109 | now_floor = mn_now; |
1045 | rt_now = ev_time (); |
1110 | ev_rt_now = ev_time (); |
1046 | return 1; |
1111 | return 1; |
1047 | } |
1112 | } |
1048 | } |
1113 | } |
1049 | |
1114 | |
1050 | static void |
1115 | static void |
… | |
… | |
1059 | { |
1124 | { |
1060 | ev_tstamp odiff = rtmn_diff; |
1125 | ev_tstamp odiff = rtmn_diff; |
1061 | |
1126 | |
1062 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1127 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1063 | { |
1128 | { |
1064 | rtmn_diff = rt_now - mn_now; |
1129 | rtmn_diff = ev_rt_now - mn_now; |
1065 | |
1130 | |
1066 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1131 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1067 | return; /* all is well */ |
1132 | return; /* all is well */ |
1068 | |
1133 | |
1069 | rt_now = ev_time (); |
1134 | ev_rt_now = ev_time (); |
1070 | mn_now = get_clock (); |
1135 | mn_now = get_clock (); |
1071 | now_floor = mn_now; |
1136 | now_floor = mn_now; |
1072 | } |
1137 | } |
1073 | |
1138 | |
|
|
1139 | # if EV_PERIODICS |
1074 | periodics_reschedule (EV_A); |
1140 | periodics_reschedule (EV_A); |
|
|
1141 | # endif |
1075 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1142 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1076 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1143 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1077 | } |
1144 | } |
1078 | } |
1145 | } |
1079 | else |
1146 | else |
1080 | #endif |
1147 | #endif |
1081 | { |
1148 | { |
1082 | rt_now = ev_time (); |
1149 | ev_rt_now = ev_time (); |
1083 | |
1150 | |
1084 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1151 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1085 | { |
1152 | { |
|
|
1153 | #if EV_PERIODICS |
1086 | periodics_reschedule (EV_A); |
1154 | periodics_reschedule (EV_A); |
|
|
1155 | #endif |
1087 | |
1156 | |
1088 | /* adjust timers. this is easy, as the offset is the same for all */ |
1157 | /* adjust timers. this is easy, as the offset is the same for all */ |
1089 | for (i = 0; i < timercnt; ++i) |
1158 | for (i = 0; i < timercnt; ++i) |
1090 | ((WT)timers [i])->at += rt_now - mn_now; |
1159 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1091 | } |
1160 | } |
1092 | |
1161 | |
1093 | mn_now = rt_now; |
1162 | mn_now = ev_rt_now; |
1094 | } |
1163 | } |
1095 | } |
1164 | } |
1096 | |
1165 | |
1097 | void |
1166 | void |
1098 | ev_ref (EV_P) |
1167 | ev_ref (EV_P) |
… | |
… | |
1112 | ev_loop (EV_P_ int flags) |
1181 | ev_loop (EV_P_ int flags) |
1113 | { |
1182 | { |
1114 | double block; |
1183 | double block; |
1115 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1184 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1116 | |
1185 | |
1117 | do |
1186 | while (activecnt) |
1118 | { |
1187 | { |
1119 | /* queue check watchers (and execute them) */ |
1188 | /* queue check watchers (and execute them) */ |
1120 | if (expect_false (preparecnt)) |
1189 | if (expect_false (preparecnt)) |
1121 | { |
1190 | { |
1122 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1191 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1138 | if (expect_true (have_monotonic)) |
1207 | if (expect_true (have_monotonic)) |
1139 | time_update_monotonic (EV_A); |
1208 | time_update_monotonic (EV_A); |
1140 | else |
1209 | else |
1141 | #endif |
1210 | #endif |
1142 | { |
1211 | { |
1143 | rt_now = ev_time (); |
1212 | ev_rt_now = ev_time (); |
1144 | mn_now = rt_now; |
1213 | mn_now = ev_rt_now; |
1145 | } |
1214 | } |
1146 | |
1215 | |
1147 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1216 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1148 | block = 0.; |
1217 | block = 0.; |
1149 | else |
1218 | else |
… | |
… | |
1154 | { |
1223 | { |
1155 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1224 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1156 | if (block > to) block = to; |
1225 | if (block > to) block = to; |
1157 | } |
1226 | } |
1158 | |
1227 | |
|
|
1228 | #if EV_PERIODICS |
1159 | if (periodiccnt) |
1229 | if (periodiccnt) |
1160 | { |
1230 | { |
1161 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1231 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1162 | if (block > to) block = to; |
1232 | if (block > to) block = to; |
1163 | } |
1233 | } |
|
|
1234 | #endif |
1164 | |
1235 | |
1165 | if (block < 0.) block = 0.; |
1236 | if (block < 0.) block = 0.; |
1166 | } |
1237 | } |
1167 | |
1238 | |
1168 | method_poll (EV_A_ block); |
1239 | method_poll (EV_A_ block); |
1169 | |
1240 | |
1170 | /* update rt_now, do magic */ |
1241 | /* update ev_rt_now, do magic */ |
1171 | time_update (EV_A); |
1242 | time_update (EV_A); |
1172 | |
1243 | |
1173 | /* queue pending timers and reschedule them */ |
1244 | /* queue pending timers and reschedule them */ |
1174 | timers_reify (EV_A); /* relative timers called last */ |
1245 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1246 | #if EV_PERIODICS |
1175 | periodics_reify (EV_A); /* absolute timers called first */ |
1247 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1248 | #endif |
1176 | |
1249 | |
1177 | /* queue idle watchers unless io or timers are pending */ |
1250 | /* queue idle watchers unless io or timers are pending */ |
1178 | if (idlecnt && !any_pending (EV_A)) |
1251 | if (idlecnt && !any_pending (EV_A)) |
1179 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1252 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1180 | |
1253 | |
1181 | /* queue check watchers, to be executed first */ |
1254 | /* queue check watchers, to be executed first */ |
1182 | if (checkcnt) |
1255 | if (checkcnt) |
1183 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1256 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1184 | |
1257 | |
1185 | call_pending (EV_A); |
1258 | call_pending (EV_A); |
|
|
1259 | |
|
|
1260 | if (loop_done) |
|
|
1261 | break; |
1186 | } |
1262 | } |
1187 | while (activecnt && !loop_done); |
|
|
1188 | |
1263 | |
1189 | if (loop_done != 2) |
1264 | if (loop_done != 2) |
1190 | loop_done = 0; |
1265 | loop_done = 0; |
1191 | } |
1266 | } |
1192 | |
1267 | |
… | |
… | |
1271 | { |
1346 | { |
1272 | ev_clear_pending (EV_A_ (W)w); |
1347 | ev_clear_pending (EV_A_ (W)w); |
1273 | if (!ev_is_active (w)) |
1348 | if (!ev_is_active (w)) |
1274 | return; |
1349 | return; |
1275 | |
1350 | |
|
|
1351 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1352 | |
1276 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1353 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1277 | ev_stop (EV_A_ (W)w); |
1354 | ev_stop (EV_A_ (W)w); |
1278 | |
1355 | |
1279 | fd_change (EV_A_ w->fd); |
1356 | fd_change (EV_A_ w->fd); |
1280 | } |
1357 | } |
… | |
… | |
1288 | ((WT)w)->at += mn_now; |
1365 | ((WT)w)->at += mn_now; |
1289 | |
1366 | |
1290 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1367 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1291 | |
1368 | |
1292 | ev_start (EV_A_ (W)w, ++timercnt); |
1369 | ev_start (EV_A_ (W)w, ++timercnt); |
1293 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1370 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1294 | timers [timercnt - 1] = w; |
1371 | timers [timercnt - 1] = w; |
1295 | upheap ((WT *)timers, timercnt - 1); |
1372 | upheap ((WT *)timers, timercnt - 1); |
1296 | |
1373 | |
1297 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1374 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1298 | } |
1375 | } |
… | |
… | |
1307 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1384 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1308 | |
1385 | |
1309 | if (((W)w)->active < timercnt--) |
1386 | if (((W)w)->active < timercnt--) |
1310 | { |
1387 | { |
1311 | timers [((W)w)->active - 1] = timers [timercnt]; |
1388 | timers [((W)w)->active - 1] = timers [timercnt]; |
1312 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1389 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1313 | } |
1390 | } |
1314 | |
1391 | |
1315 | ((WT)w)->at = w->repeat; |
1392 | ((WT)w)->at -= mn_now; |
1316 | |
1393 | |
1317 | ev_stop (EV_A_ (W)w); |
1394 | ev_stop (EV_A_ (W)w); |
1318 | } |
1395 | } |
1319 | |
1396 | |
1320 | void |
1397 | void |
… | |
… | |
1323 | if (ev_is_active (w)) |
1400 | if (ev_is_active (w)) |
1324 | { |
1401 | { |
1325 | if (w->repeat) |
1402 | if (w->repeat) |
1326 | { |
1403 | { |
1327 | ((WT)w)->at = mn_now + w->repeat; |
1404 | ((WT)w)->at = mn_now + w->repeat; |
1328 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1405 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1329 | } |
1406 | } |
1330 | else |
1407 | else |
1331 | ev_timer_stop (EV_A_ w); |
1408 | ev_timer_stop (EV_A_ w); |
1332 | } |
1409 | } |
1333 | else if (w->repeat) |
1410 | else if (w->repeat) |
|
|
1411 | { |
|
|
1412 | w->at = w->repeat; |
1334 | ev_timer_start (EV_A_ w); |
1413 | ev_timer_start (EV_A_ w); |
|
|
1414 | } |
1335 | } |
1415 | } |
1336 | |
1416 | |
|
|
1417 | #if EV_PERIODICS |
1337 | void |
1418 | void |
1338 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1419 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1339 | { |
1420 | { |
1340 | if (ev_is_active (w)) |
1421 | if (ev_is_active (w)) |
1341 | return; |
1422 | return; |
1342 | |
1423 | |
1343 | if (w->reschedule_cb) |
1424 | if (w->reschedule_cb) |
1344 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1425 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1345 | else if (w->interval) |
1426 | else if (w->interval) |
1346 | { |
1427 | { |
1347 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1428 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1348 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1429 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1349 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1430 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1350 | } |
1431 | } |
1351 | |
1432 | |
1352 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1433 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1353 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1434 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1354 | periodics [periodiccnt - 1] = w; |
1435 | periodics [periodiccnt - 1] = w; |
1355 | upheap ((WT *)periodics, periodiccnt - 1); |
1436 | upheap ((WT *)periodics, periodiccnt - 1); |
1356 | |
1437 | |
1357 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1438 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1358 | } |
1439 | } |
… | |
… | |
1367 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1448 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1368 | |
1449 | |
1369 | if (((W)w)->active < periodiccnt--) |
1450 | if (((W)w)->active < periodiccnt--) |
1370 | { |
1451 | { |
1371 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1452 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1372 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1453 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1373 | } |
1454 | } |
1374 | |
1455 | |
1375 | ev_stop (EV_A_ (W)w); |
1456 | ev_stop (EV_A_ (W)w); |
1376 | } |
1457 | } |
1377 | |
1458 | |
1378 | void |
1459 | void |
1379 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1460 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1380 | { |
1461 | { |
|
|
1462 | /* TODO: use adjustheap and recalculation */ |
1381 | ev_periodic_stop (EV_A_ w); |
1463 | ev_periodic_stop (EV_A_ w); |
1382 | ev_periodic_start (EV_A_ w); |
1464 | ev_periodic_start (EV_A_ w); |
1383 | } |
1465 | } |
|
|
1466 | #endif |
1384 | |
1467 | |
1385 | void |
1468 | void |
1386 | ev_idle_start (EV_P_ struct ev_idle *w) |
1469 | ev_idle_start (EV_P_ struct ev_idle *w) |
1387 | { |
1470 | { |
1388 | if (ev_is_active (w)) |
1471 | if (ev_is_active (w)) |
1389 | return; |
1472 | return; |
1390 | |
1473 | |
1391 | ev_start (EV_A_ (W)w, ++idlecnt); |
1474 | ev_start (EV_A_ (W)w, ++idlecnt); |
1392 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1475 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1393 | idles [idlecnt - 1] = w; |
1476 | idles [idlecnt - 1] = w; |
1394 | } |
1477 | } |
1395 | |
1478 | |
1396 | void |
1479 | void |
1397 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1480 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1398 | { |
1481 | { |
1399 | ev_clear_pending (EV_A_ (W)w); |
1482 | ev_clear_pending (EV_A_ (W)w); |
1400 | if (ev_is_active (w)) |
1483 | if (!ev_is_active (w)) |
1401 | return; |
1484 | return; |
1402 | |
1485 | |
1403 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1486 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1404 | ev_stop (EV_A_ (W)w); |
1487 | ev_stop (EV_A_ (W)w); |
1405 | } |
1488 | } |
… | |
… | |
1409 | { |
1492 | { |
1410 | if (ev_is_active (w)) |
1493 | if (ev_is_active (w)) |
1411 | return; |
1494 | return; |
1412 | |
1495 | |
1413 | ev_start (EV_A_ (W)w, ++preparecnt); |
1496 | ev_start (EV_A_ (W)w, ++preparecnt); |
1414 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1497 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1415 | prepares [preparecnt - 1] = w; |
1498 | prepares [preparecnt - 1] = w; |
1416 | } |
1499 | } |
1417 | |
1500 | |
1418 | void |
1501 | void |
1419 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1502 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1420 | { |
1503 | { |
1421 | ev_clear_pending (EV_A_ (W)w); |
1504 | ev_clear_pending (EV_A_ (W)w); |
1422 | if (ev_is_active (w)) |
1505 | if (!ev_is_active (w)) |
1423 | return; |
1506 | return; |
1424 | |
1507 | |
1425 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1508 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1426 | ev_stop (EV_A_ (W)w); |
1509 | ev_stop (EV_A_ (W)w); |
1427 | } |
1510 | } |
… | |
… | |
1431 | { |
1514 | { |
1432 | if (ev_is_active (w)) |
1515 | if (ev_is_active (w)) |
1433 | return; |
1516 | return; |
1434 | |
1517 | |
1435 | ev_start (EV_A_ (W)w, ++checkcnt); |
1518 | ev_start (EV_A_ (W)w, ++checkcnt); |
1436 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1519 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1437 | checks [checkcnt - 1] = w; |
1520 | checks [checkcnt - 1] = w; |
1438 | } |
1521 | } |
1439 | |
1522 | |
1440 | void |
1523 | void |
1441 | ev_check_stop (EV_P_ struct ev_check *w) |
1524 | ev_check_stop (EV_P_ struct ev_check *w) |
1442 | { |
1525 | { |
1443 | ev_clear_pending (EV_A_ (W)w); |
1526 | ev_clear_pending (EV_A_ (W)w); |
1444 | if (ev_is_active (w)) |
1527 | if (!ev_is_active (w)) |
1445 | return; |
1528 | return; |
1446 | |
1529 | |
1447 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1530 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1448 | ev_stop (EV_A_ (W)w); |
1531 | ev_stop (EV_A_ (W)w); |
1449 | } |
1532 | } |
… | |
… | |
1454 | |
1537 | |
1455 | void |
1538 | void |
1456 | ev_signal_start (EV_P_ struct ev_signal *w) |
1539 | ev_signal_start (EV_P_ struct ev_signal *w) |
1457 | { |
1540 | { |
1458 | #if EV_MULTIPLICITY |
1541 | #if EV_MULTIPLICITY |
1459 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1542 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1460 | #endif |
1543 | #endif |
1461 | if (ev_is_active (w)) |
1544 | if (ev_is_active (w)) |
1462 | return; |
1545 | return; |
1463 | |
1546 | |
1464 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1547 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
… | |
… | |
1467 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1550 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1468 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1551 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1469 | |
1552 | |
1470 | if (!((WL)w)->next) |
1553 | if (!((WL)w)->next) |
1471 | { |
1554 | { |
1472 | #if WIN32 |
1555 | #if _WIN32 |
1473 | signal (w->signum, sighandler); |
1556 | signal (w->signum, sighandler); |
1474 | #else |
1557 | #else |
1475 | struct sigaction sa; |
1558 | struct sigaction sa; |
1476 | sa.sa_handler = sighandler; |
1559 | sa.sa_handler = sighandler; |
1477 | sigfillset (&sa.sa_mask); |
1560 | sigfillset (&sa.sa_mask); |
… | |
… | |
1497 | |
1580 | |
1498 | void |
1581 | void |
1499 | ev_child_start (EV_P_ struct ev_child *w) |
1582 | ev_child_start (EV_P_ struct ev_child *w) |
1500 | { |
1583 | { |
1501 | #if EV_MULTIPLICITY |
1584 | #if EV_MULTIPLICITY |
1502 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1585 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1503 | #endif |
1586 | #endif |
1504 | if (ev_is_active (w)) |
1587 | if (ev_is_active (w)) |
1505 | return; |
1588 | return; |
1506 | |
1589 | |
1507 | ev_start (EV_A_ (W)w, 1); |
1590 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1510 | |
1593 | |
1511 | void |
1594 | void |
1512 | ev_child_stop (EV_P_ struct ev_child *w) |
1595 | ev_child_stop (EV_P_ struct ev_child *w) |
1513 | { |
1596 | { |
1514 | ev_clear_pending (EV_A_ (W)w); |
1597 | ev_clear_pending (EV_A_ (W)w); |
1515 | if (ev_is_active (w)) |
1598 | if (!ev_is_active (w)) |
1516 | return; |
1599 | return; |
1517 | |
1600 | |
1518 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1601 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1519 | ev_stop (EV_A_ (W)w); |
1602 | ev_stop (EV_A_ (W)w); |
1520 | } |
1603 | } |
… | |
… | |
1564 | else |
1647 | else |
1565 | { |
1648 | { |
1566 | once->cb = cb; |
1649 | once->cb = cb; |
1567 | once->arg = arg; |
1650 | once->arg = arg; |
1568 | |
1651 | |
1569 | ev_watcher_init (&once->io, once_cb_io); |
1652 | ev_init (&once->io, once_cb_io); |
1570 | if (fd >= 0) |
1653 | if (fd >= 0) |
1571 | { |
1654 | { |
1572 | ev_io_set (&once->io, fd, events); |
1655 | ev_io_set (&once->io, fd, events); |
1573 | ev_io_start (EV_A_ &once->io); |
1656 | ev_io_start (EV_A_ &once->io); |
1574 | } |
1657 | } |
1575 | |
1658 | |
1576 | ev_watcher_init (&once->to, once_cb_to); |
1659 | ev_init (&once->to, once_cb_to); |
1577 | if (timeout >= 0.) |
1660 | if (timeout >= 0.) |
1578 | { |
1661 | { |
1579 | ev_timer_set (&once->to, timeout, 0.); |
1662 | ev_timer_set (&once->to, timeout, 0.); |
1580 | ev_timer_start (EV_A_ &once->to); |
1663 | ev_timer_start (EV_A_ &once->to); |
1581 | } |
1664 | } |
1582 | } |
1665 | } |
1583 | } |
1666 | } |
1584 | |
1667 | |
|
|
1668 | #ifdef __cplusplus |
|
|
1669 | } |
|
|
1670 | #endif |
|
|
1671 | |