… | |
… | |
51 | |
51 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
53 | # define EV_USE_POLL 1 |
53 | # define EV_USE_POLL 1 |
54 | # endif |
54 | # endif |
55 | |
55 | |
56 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
57 | # define EV_USE_EPOLL 1 |
57 | # define EV_USE_EPOLL 1 |
58 | # endif |
58 | # endif |
59 | |
59 | |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
61 | # 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 |
62 | # endif |
66 | # endif |
63 | |
67 | |
64 | #endif |
68 | #endif |
65 | |
69 | |
66 | #include <math.h> |
70 | #include <math.h> |
… | |
… | |
75 | #include <sys/types.h> |
79 | #include <sys/types.h> |
76 | #include <time.h> |
80 | #include <time.h> |
77 | |
81 | |
78 | #include <signal.h> |
82 | #include <signal.h> |
79 | |
83 | |
80 | #ifndef WIN32 |
84 | #ifndef _WIN32 |
81 | # include <unistd.h> |
85 | # include <unistd.h> |
82 | # include <sys/time.h> |
86 | # include <sys/time.h> |
83 | # 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 |
84 | #endif |
93 | # endif |
|
|
94 | #endif |
|
|
95 | |
85 | /**/ |
96 | /**/ |
86 | |
97 | |
87 | #ifndef EV_USE_MONOTONIC |
98 | #ifndef EV_USE_MONOTONIC |
88 | # define EV_USE_MONOTONIC 1 |
99 | # define EV_USE_MONOTONIC 1 |
89 | #endif |
100 | #endif |
90 | |
101 | |
|
|
102 | #ifndef EV_USE_REALTIME |
|
|
103 | # define EV_USE_REALTIME 1 |
|
|
104 | #endif |
|
|
105 | |
91 | #ifndef EV_USE_SELECT |
106 | #ifndef EV_USE_SELECT |
92 | # define EV_USE_SELECT 1 |
107 | # define EV_USE_SELECT 1 |
|
|
108 | # define EV_SELECT_USE_FD_SET 1 |
93 | #endif |
109 | #endif |
94 | |
110 | |
95 | #ifndef EV_USE_POLL |
111 | #ifndef EV_USE_POLL |
96 | # 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 |
97 | #endif |
117 | #endif |
98 | |
118 | |
99 | #ifndef EV_USE_EPOLL |
119 | #ifndef EV_USE_EPOLL |
100 | # define EV_USE_EPOLL 0 |
120 | # define EV_USE_EPOLL 0 |
101 | #endif |
121 | #endif |
102 | |
122 | |
103 | #ifndef EV_USE_KQUEUE |
123 | #ifndef EV_USE_KQUEUE |
104 | # define EV_USE_KQUEUE 0 |
124 | # define EV_USE_KQUEUE 0 |
105 | #endif |
125 | #endif |
106 | |
126 | |
107 | #ifndef EV_USE_WIN32 |
|
|
108 | # ifdef WIN32 |
|
|
109 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
110 | # undef EV_USE_SELECT |
|
|
111 | # define EV_USE_SELECT 1 |
|
|
112 | # else |
|
|
113 | # define EV_USE_WIN32 0 |
|
|
114 | # endif |
|
|
115 | #endif |
|
|
116 | |
|
|
117 | #ifndef EV_USE_REALTIME |
127 | #ifndef EV_USE_PORT |
118 | # define EV_USE_REALTIME 1 |
128 | # define EV_USE_PORT 0 |
119 | #endif |
129 | #endif |
120 | |
130 | |
121 | /**/ |
131 | /**/ |
|
|
132 | |
|
|
133 | /* darwin simply cannot be helped */ |
|
|
134 | #ifdef __APPLE__ |
|
|
135 | # undef EV_USE_POLL |
|
|
136 | # undef EV_USE_KQUEUE |
|
|
137 | #endif |
122 | |
138 | |
123 | #ifndef CLOCK_MONOTONIC |
139 | #ifndef CLOCK_MONOTONIC |
124 | # undef EV_USE_MONOTONIC |
140 | # undef EV_USE_MONOTONIC |
125 | # define EV_USE_MONOTONIC 0 |
141 | # define EV_USE_MONOTONIC 0 |
126 | #endif |
142 | #endif |
… | |
… | |
128 | #ifndef CLOCK_REALTIME |
144 | #ifndef CLOCK_REALTIME |
129 | # undef EV_USE_REALTIME |
145 | # undef EV_USE_REALTIME |
130 | # define EV_USE_REALTIME 0 |
146 | # define EV_USE_REALTIME 0 |
131 | #endif |
147 | #endif |
132 | |
148 | |
|
|
149 | #if EV_SELECT_IS_WINSOCKET |
|
|
150 | # include <winsock.h> |
|
|
151 | #endif |
|
|
152 | |
133 | /**/ |
153 | /**/ |
134 | |
154 | |
135 | #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) */ |
136 | #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) */ |
137 | #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 */ |
138 | /*#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 */ |
139 | |
159 | |
140 | #ifdef EV_H |
160 | #ifdef EV_H |
141 | # include EV_H |
161 | # include EV_H |
142 | #else |
162 | #else |
143 | # include "ev.h" |
163 | # include "ev.h" |
… | |
… | |
155 | #define expect_true(expr) expect ((expr) != 0, 1) |
175 | #define expect_true(expr) expect ((expr) != 0, 1) |
156 | |
176 | |
157 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
177 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
158 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
178 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
159 | |
179 | |
|
|
180 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
181 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
182 | |
160 | typedef struct ev_watcher *W; |
183 | typedef struct ev_watcher *W; |
161 | typedef struct ev_watcher_list *WL; |
184 | typedef struct ev_watcher_list *WL; |
162 | typedef struct ev_watcher_time *WT; |
185 | typedef struct ev_watcher_time *WT; |
163 | |
186 | |
164 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
187 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
165 | |
188 | |
166 | #ifdef WIN32 |
189 | #ifdef _WIN32 |
167 | # include "ev_win32.c" |
190 | # include "ev_win32.c" |
168 | #endif |
191 | #endif |
169 | |
192 | |
170 | /*****************************************************************************/ |
193 | /*****************************************************************************/ |
171 | |
194 | |
… | |
… | |
220 | typedef struct |
243 | typedef struct |
221 | { |
244 | { |
222 | WL head; |
245 | WL head; |
223 | unsigned char events; |
246 | unsigned char events; |
224 | unsigned char reify; |
247 | unsigned char reify; |
|
|
248 | #if EV_SELECT_IS_WINSOCKET |
|
|
249 | SOCKET handle; |
|
|
250 | #endif |
225 | } ANFD; |
251 | } ANFD; |
226 | |
252 | |
227 | typedef struct |
253 | typedef struct |
228 | { |
254 | { |
229 | W w; |
255 | W w; |
… | |
… | |
240 | #include "ev_vars.h" |
266 | #include "ev_vars.h" |
241 | #undef VAR |
267 | #undef VAR |
242 | }; |
268 | }; |
243 | #include "ev_wrap.h" |
269 | #include "ev_wrap.h" |
244 | |
270 | |
245 | struct ev_loop default_loop_struct; |
271 | static struct ev_loop default_loop_struct; |
246 | static struct ev_loop *default_loop; |
272 | struct ev_loop *ev_default_loop_ptr; |
247 | |
273 | |
248 | #else |
274 | #else |
249 | |
275 | |
250 | ev_tstamp ev_rt_now; |
276 | ev_tstamp ev_rt_now; |
251 | #define VAR(name,decl) static decl; |
277 | #define VAR(name,decl) static decl; |
252 | #include "ev_vars.h" |
278 | #include "ev_vars.h" |
253 | #undef VAR |
279 | #undef VAR |
254 | |
280 | |
255 | static int default_loop; |
281 | static int ev_default_loop_ptr; |
256 | |
282 | |
257 | #endif |
283 | #endif |
258 | |
284 | |
259 | /*****************************************************************************/ |
285 | /*****************************************************************************/ |
260 | |
286 | |
… | |
… | |
293 | { |
319 | { |
294 | return ev_rt_now; |
320 | return ev_rt_now; |
295 | } |
321 | } |
296 | #endif |
322 | #endif |
297 | |
323 | |
298 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
324 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
299 | |
325 | |
300 | #define array_needsize(type,base,cur,cnt,init) \ |
326 | #define array_needsize(type,base,cur,cnt,init) \ |
301 | if (expect_false ((cnt) > cur)) \ |
327 | if (expect_false ((cnt) > cur)) \ |
302 | { \ |
328 | { \ |
303 | int newcnt = cur; \ |
329 | int newcnt = cur; \ |
… | |
… | |
318 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
344 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
319 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
345 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
320 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
346 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
321 | } |
347 | } |
322 | |
348 | |
323 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
324 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
325 | #define array_free_microshit(stem) \ |
|
|
326 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
327 | |
|
|
328 | #define array_free(stem, idx) \ |
349 | #define array_free(stem, idx) \ |
329 | 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; |
330 | |
351 | |
331 | /*****************************************************************************/ |
352 | /*****************************************************************************/ |
332 | |
353 | |
… | |
… | |
353 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
374 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
354 | return; |
375 | return; |
355 | } |
376 | } |
356 | |
377 | |
357 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
378 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
358 | 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); |
359 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
380 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
360 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
381 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
361 | } |
382 | } |
362 | |
383 | |
363 | static void |
384 | static void |
… | |
… | |
406 | int events = 0; |
427 | int events = 0; |
407 | |
428 | |
408 | 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) |
409 | events |= w->events; |
430 | events |= w->events; |
410 | |
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 | |
411 | anfd->reify = 0; |
441 | anfd->reify = 0; |
412 | |
442 | |
413 | method_modify (EV_A_ fd, anfd->events, events); |
443 | method_modify (EV_A_ fd, anfd->events, events); |
414 | anfd->events = events; |
444 | anfd->events = events; |
415 | } |
445 | } |
… | |
… | |
424 | return; |
454 | return; |
425 | |
455 | |
426 | anfds [fd].reify = 1; |
456 | anfds [fd].reify = 1; |
427 | |
457 | |
428 | ++fdchangecnt; |
458 | ++fdchangecnt; |
429 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
459 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
430 | fdchanges [fdchangecnt - 1] = fd; |
460 | fdchanges [fdchangecnt - 1] = fd; |
431 | } |
461 | } |
432 | |
462 | |
433 | static void |
463 | static void |
434 | fd_kill (EV_P_ int fd) |
464 | fd_kill (EV_P_ int fd) |
… | |
… | |
443 | } |
473 | } |
444 | |
474 | |
445 | static int |
475 | static int |
446 | fd_valid (int fd) |
476 | fd_valid (int fd) |
447 | { |
477 | { |
448 | #ifdef WIN32 |
478 | #ifdef _WIN32 |
449 | return !!win32_get_osfhandle (fd); |
479 | return _get_osfhandle (fd) != -1; |
450 | #else |
480 | #else |
451 | return fcntl (fd, F_GETFD) != -1; |
481 | return fcntl (fd, F_GETFD) != -1; |
452 | #endif |
482 | #endif |
453 | } |
483 | } |
454 | |
484 | |
… | |
… | |
571 | } |
601 | } |
572 | |
602 | |
573 | static void |
603 | static void |
574 | sighandler (int signum) |
604 | sighandler (int signum) |
575 | { |
605 | { |
576 | #if WIN32 |
606 | #if _WIN32 |
577 | signal (signum, sighandler); |
607 | signal (signum, sighandler); |
578 | #endif |
608 | #endif |
579 | |
609 | |
580 | signals [signum - 1].gotsig = 1; |
610 | signals [signum - 1].gotsig = 1; |
581 | |
611 | |
582 | if (!gotsig) |
612 | if (!gotsig) |
583 | { |
613 | { |
584 | int old_errno = errno; |
614 | int old_errno = errno; |
585 | gotsig = 1; |
615 | gotsig = 1; |
586 | #ifdef WIN32 |
|
|
587 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
588 | #else |
|
|
589 | write (sigpipe [1], &signum, 1); |
616 | write (sigpipe [1], &signum, 1); |
590 | #endif |
|
|
591 | errno = old_errno; |
617 | errno = old_errno; |
592 | } |
618 | } |
593 | } |
619 | } |
594 | |
620 | |
595 | void |
621 | void |
596 | ev_feed_signal_event (EV_P_ int signum) |
622 | ev_feed_signal_event (EV_P_ int signum) |
597 | { |
623 | { |
598 | WL w; |
624 | WL w; |
599 | |
625 | |
600 | #if EV_MULTIPLICITY |
626 | #if EV_MULTIPLICITY |
601 | 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)); |
602 | #endif |
628 | #endif |
603 | |
629 | |
604 | --signum; |
630 | --signum; |
605 | |
631 | |
606 | if (signum < 0 || signum >= signalmax) |
632 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
615 | static void |
641 | static void |
616 | sigcb (EV_P_ struct ev_io *iow, int revents) |
642 | sigcb (EV_P_ struct ev_io *iow, int revents) |
617 | { |
643 | { |
618 | int signum; |
644 | int signum; |
619 | |
645 | |
620 | #ifdef WIN32 |
|
|
621 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
622 | #else |
|
|
623 | read (sigpipe [0], &revents, 1); |
646 | read (sigpipe [0], &revents, 1); |
624 | #endif |
|
|
625 | gotsig = 0; |
647 | gotsig = 0; |
626 | |
648 | |
627 | for (signum = signalmax; signum--; ) |
649 | for (signum = signalmax; signum--; ) |
628 | if (signals [signum].gotsig) |
650 | if (signals [signum].gotsig) |
629 | ev_feed_signal_event (EV_A_ signum + 1); |
651 | ev_feed_signal_event (EV_A_ signum + 1); |
630 | } |
652 | } |
631 | |
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 | |
632 | static void |
666 | static void |
633 | siginit (EV_P) |
667 | siginit (EV_P) |
634 | { |
668 | { |
635 | #ifndef WIN32 |
669 | fd_intern (sigpipe [0]); |
636 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
670 | fd_intern (sigpipe [1]); |
637 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
638 | |
|
|
639 | /* rather than sort out wether we really need nb, set it */ |
|
|
640 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
641 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
642 | #endif |
|
|
643 | |
671 | |
644 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
672 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
645 | ev_io_start (EV_A_ &sigev); |
673 | ev_io_start (EV_A_ &sigev); |
646 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
674 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
647 | } |
675 | } |
648 | |
676 | |
649 | /*****************************************************************************/ |
677 | /*****************************************************************************/ |
650 | |
678 | |
651 | static struct ev_child *childs [PID_HASHSIZE]; |
679 | static struct ev_child *childs [PID_HASHSIZE]; |
652 | |
680 | |
653 | #ifndef WIN32 |
681 | #ifndef _WIN32 |
654 | |
682 | |
655 | static struct ev_signal childev; |
683 | static struct ev_signal childev; |
656 | |
684 | |
657 | #ifndef WCONTINUED |
685 | #ifndef WCONTINUED |
658 | # define WCONTINUED 0 |
686 | # define WCONTINUED 0 |
… | |
… | |
690 | |
718 | |
691 | #endif |
719 | #endif |
692 | |
720 | |
693 | /*****************************************************************************/ |
721 | /*****************************************************************************/ |
694 | |
722 | |
|
|
723 | #if EV_USE_PORT |
|
|
724 | # include "ev_port.c" |
|
|
725 | #endif |
695 | #if EV_USE_KQUEUE |
726 | #if EV_USE_KQUEUE |
696 | # include "ev_kqueue.c" |
727 | # include "ev_kqueue.c" |
697 | #endif |
728 | #endif |
698 | #if EV_USE_EPOLL |
729 | #if EV_USE_EPOLL |
699 | # include "ev_epoll.c" |
730 | # include "ev_epoll.c" |
… | |
… | |
719 | |
750 | |
720 | /* 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 */ |
721 | static int |
752 | static int |
722 | enable_secure (void) |
753 | enable_secure (void) |
723 | { |
754 | { |
724 | #ifdef WIN32 |
755 | #ifdef _WIN32 |
725 | return 0; |
756 | return 0; |
726 | #else |
757 | #else |
727 | return getuid () != geteuid () |
758 | return getuid () != geteuid () |
728 | || getgid () != getegid (); |
759 | || getgid () != getegid (); |
729 | #endif |
760 | #endif |
730 | } |
761 | } |
731 | |
762 | |
732 | int |
763 | unsigned int |
733 | ev_method (EV_P) |
764 | ev_method (EV_P) |
734 | { |
765 | { |
735 | return method; |
766 | return method; |
736 | } |
767 | } |
737 | |
768 | |
738 | static void |
769 | static void |
739 | loop_init (EV_P_ int methods) |
770 | loop_init (EV_P_ unsigned int flags) |
740 | { |
771 | { |
741 | if (!method) |
772 | if (!method) |
742 | { |
773 | { |
743 | #if EV_USE_MONOTONIC |
774 | #if EV_USE_MONOTONIC |
744 | { |
775 | { |
… | |
… | |
751 | ev_rt_now = ev_time (); |
782 | ev_rt_now = ev_time (); |
752 | mn_now = get_clock (); |
783 | mn_now = get_clock (); |
753 | now_floor = mn_now; |
784 | now_floor = mn_now; |
754 | rtmn_diff = ev_rt_now - mn_now; |
785 | rtmn_diff = ev_rt_now - mn_now; |
755 | |
786 | |
756 | if (methods == EVMETHOD_AUTO) |
787 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
757 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
758 | methods = atoi (getenv ("LIBEV_METHODS")); |
788 | flags = atoi (getenv ("LIBEV_FLAGS")); |
759 | else |
789 | |
760 | methods = EVMETHOD_ANY; |
790 | if (!(flags & 0x0000ffff)) |
|
|
791 | flags |= 0x0000ffff; |
761 | |
792 | |
762 | method = 0; |
793 | method = 0; |
763 | #if EV_USE_WIN32 |
794 | #if EV_USE_PORT |
764 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
795 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
765 | #endif |
796 | #endif |
766 | #if EV_USE_KQUEUE |
797 | #if EV_USE_KQUEUE |
767 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
798 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
768 | #endif |
799 | #endif |
769 | #if EV_USE_EPOLL |
800 | #if EV_USE_EPOLL |
770 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
801 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
771 | #endif |
802 | #endif |
772 | #if EV_USE_POLL |
803 | #if EV_USE_POLL |
773 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
804 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
774 | #endif |
805 | #endif |
775 | #if EV_USE_SELECT |
806 | #if EV_USE_SELECT |
776 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
807 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
777 | #endif |
808 | #endif |
778 | |
809 | |
779 | ev_init (&sigev, sigcb); |
810 | ev_init (&sigev, sigcb); |
780 | ev_set_priority (&sigev, EV_MAXPRI); |
811 | ev_set_priority (&sigev, EV_MAXPRI); |
781 | } |
812 | } |
… | |
… | |
784 | void |
815 | void |
785 | loop_destroy (EV_P) |
816 | loop_destroy (EV_P) |
786 | { |
817 | { |
787 | int i; |
818 | int i; |
788 | |
819 | |
789 | #if EV_USE_WIN32 |
820 | #if EV_USE_PORT |
790 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
821 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
791 | #endif |
822 | #endif |
792 | #if EV_USE_KQUEUE |
823 | #if EV_USE_KQUEUE |
793 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
824 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
794 | #endif |
825 | #endif |
795 | #if EV_USE_EPOLL |
826 | #if EV_USE_EPOLL |
… | |
… | |
804 | |
835 | |
805 | for (i = NUMPRI; i--; ) |
836 | for (i = NUMPRI; i--; ) |
806 | array_free (pending, [i]); |
837 | array_free (pending, [i]); |
807 | |
838 | |
808 | /* have to use the microsoft-never-gets-it-right macro */ |
839 | /* have to use the microsoft-never-gets-it-right macro */ |
809 | array_free_microshit (fdchange); |
840 | array_free (fdchange, EMPTY0); |
810 | array_free_microshit (timer); |
841 | array_free (timer, EMPTY0); |
811 | #if EV_PERIODICS |
842 | #if EV_PERIODICS |
812 | array_free_microshit (periodic); |
843 | array_free (periodic, EMPTY0); |
813 | #endif |
844 | #endif |
814 | array_free_microshit (idle); |
845 | array_free (idle, EMPTY0); |
815 | array_free_microshit (prepare); |
846 | array_free (prepare, EMPTY0); |
816 | array_free_microshit (check); |
847 | array_free (check, EMPTY0); |
817 | |
848 | |
818 | method = 0; |
849 | method = 0; |
819 | } |
850 | } |
820 | |
851 | |
821 | static void |
852 | static void |
822 | loop_fork (EV_P) |
853 | loop_fork (EV_P) |
823 | { |
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 |
824 | #if EV_USE_EPOLL |
861 | #if EV_USE_EPOLL |
825 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
862 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
826 | #endif |
|
|
827 | #if EV_USE_KQUEUE |
|
|
828 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
829 | #endif |
863 | #endif |
830 | |
864 | |
831 | if (ev_is_active (&sigev)) |
865 | if (ev_is_active (&sigev)) |
832 | { |
866 | { |
833 | /* default loop */ |
867 | /* default loop */ |
… | |
… | |
846 | postfork = 0; |
880 | postfork = 0; |
847 | } |
881 | } |
848 | |
882 | |
849 | #if EV_MULTIPLICITY |
883 | #if EV_MULTIPLICITY |
850 | struct ev_loop * |
884 | struct ev_loop * |
851 | ev_loop_new (int methods) |
885 | ev_loop_new (unsigned int flags) |
852 | { |
886 | { |
853 | 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)); |
854 | |
888 | |
855 | memset (loop, 0, sizeof (struct ev_loop)); |
889 | memset (loop, 0, sizeof (struct ev_loop)); |
856 | |
890 | |
857 | loop_init (EV_A_ methods); |
891 | loop_init (EV_A_ flags); |
858 | |
892 | |
859 | if (ev_method (EV_A)) |
893 | if (ev_method (EV_A)) |
860 | return loop; |
894 | return loop; |
861 | |
895 | |
862 | return 0; |
896 | return 0; |
… | |
… | |
877 | |
911 | |
878 | #endif |
912 | #endif |
879 | |
913 | |
880 | #if EV_MULTIPLICITY |
914 | #if EV_MULTIPLICITY |
881 | struct ev_loop * |
915 | struct ev_loop * |
|
|
916 | ev_default_loop_ (unsigned int flags) |
882 | #else |
917 | #else |
883 | int |
918 | int |
|
|
919 | ev_default_loop (unsigned int flags) |
884 | #endif |
920 | #endif |
885 | ev_default_loop (int methods) |
|
|
886 | { |
921 | { |
887 | if (sigpipe [0] == sigpipe [1]) |
922 | if (sigpipe [0] == sigpipe [1]) |
888 | if (pipe (sigpipe)) |
923 | if (pipe (sigpipe)) |
889 | return 0; |
924 | return 0; |
890 | |
925 | |
891 | if (!default_loop) |
926 | if (!ev_default_loop_ptr) |
892 | { |
927 | { |
893 | #if EV_MULTIPLICITY |
928 | #if EV_MULTIPLICITY |
894 | struct ev_loop *loop = default_loop = &default_loop_struct; |
929 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
895 | #else |
930 | #else |
896 | default_loop = 1; |
931 | ev_default_loop_ptr = 1; |
897 | #endif |
932 | #endif |
898 | |
933 | |
899 | loop_init (EV_A_ methods); |
934 | loop_init (EV_A_ flags); |
900 | |
935 | |
901 | if (ev_method (EV_A)) |
936 | if (ev_method (EV_A)) |
902 | { |
937 | { |
903 | siginit (EV_A); |
938 | siginit (EV_A); |
904 | |
939 | |
905 | #ifndef WIN32 |
940 | #ifndef _WIN32 |
906 | ev_signal_init (&childev, childcb, SIGCHLD); |
941 | ev_signal_init (&childev, childcb, SIGCHLD); |
907 | ev_set_priority (&childev, EV_MAXPRI); |
942 | ev_set_priority (&childev, EV_MAXPRI); |
908 | ev_signal_start (EV_A_ &childev); |
943 | ev_signal_start (EV_A_ &childev); |
909 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
944 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
910 | #endif |
945 | #endif |
911 | } |
946 | } |
912 | else |
947 | else |
913 | default_loop = 0; |
948 | ev_default_loop_ptr = 0; |
914 | } |
949 | } |
915 | |
950 | |
916 | return default_loop; |
951 | return ev_default_loop_ptr; |
917 | } |
952 | } |
918 | |
953 | |
919 | void |
954 | void |
920 | ev_default_destroy (void) |
955 | ev_default_destroy (void) |
921 | { |
956 | { |
922 | #if EV_MULTIPLICITY |
957 | #if EV_MULTIPLICITY |
923 | struct ev_loop *loop = default_loop; |
958 | struct ev_loop *loop = ev_default_loop_ptr; |
924 | #endif |
959 | #endif |
925 | |
960 | |
926 | #ifndef WIN32 |
961 | #ifndef _WIN32 |
927 | ev_ref (EV_A); /* child watcher */ |
962 | ev_ref (EV_A); /* child watcher */ |
928 | ev_signal_stop (EV_A_ &childev); |
963 | ev_signal_stop (EV_A_ &childev); |
929 | #endif |
964 | #endif |
930 | |
965 | |
931 | ev_ref (EV_A); /* signal watcher */ |
966 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
939 | |
974 | |
940 | void |
975 | void |
941 | ev_default_fork (void) |
976 | ev_default_fork (void) |
942 | { |
977 | { |
943 | #if EV_MULTIPLICITY |
978 | #if EV_MULTIPLICITY |
944 | struct ev_loop *loop = default_loop; |
979 | struct ev_loop *loop = ev_default_loop_ptr; |
945 | #endif |
980 | #endif |
946 | |
981 | |
947 | if (method) |
982 | if (method) |
948 | postfork = 1; |
983 | postfork = 1; |
949 | } |
984 | } |
… | |
… | |
1018 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1053 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1019 | |
1054 | |
1020 | /* first reschedule or stop timer */ |
1055 | /* first reschedule or stop timer */ |
1021 | if (w->reschedule_cb) |
1056 | if (w->reschedule_cb) |
1022 | { |
1057 | { |
1023 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1058 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1024 | |
|
|
1025 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1059 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1026 | downheap ((WT *)periodics, periodiccnt, 0); |
1060 | downheap ((WT *)periodics, periodiccnt, 0); |
1027 | } |
1061 | } |
1028 | else if (w->interval) |
1062 | else if (w->interval) |
1029 | { |
1063 | { |
… | |
… | |
1147 | ev_loop (EV_P_ int flags) |
1181 | ev_loop (EV_P_ int flags) |
1148 | { |
1182 | { |
1149 | double block; |
1183 | double block; |
1150 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1184 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1151 | |
1185 | |
1152 | do |
1186 | while (activecnt) |
1153 | { |
1187 | { |
1154 | /* queue check watchers (and execute them) */ |
1188 | /* queue check watchers (and execute them) */ |
1155 | if (expect_false (preparecnt)) |
1189 | if (expect_false (preparecnt)) |
1156 | { |
1190 | { |
1157 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1191 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1220 | /* queue check watchers, to be executed first */ |
1254 | /* queue check watchers, to be executed first */ |
1221 | if (checkcnt) |
1255 | if (checkcnt) |
1222 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1256 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1223 | |
1257 | |
1224 | call_pending (EV_A); |
1258 | call_pending (EV_A); |
|
|
1259 | |
|
|
1260 | if (loop_done) |
|
|
1261 | break; |
1225 | } |
1262 | } |
1226 | while (activecnt && !loop_done); |
|
|
1227 | |
1263 | |
1228 | if (loop_done != 2) |
1264 | if (loop_done != 2) |
1229 | loop_done = 0; |
1265 | loop_done = 0; |
1230 | } |
1266 | } |
1231 | |
1267 | |
… | |
… | |
1329 | ((WT)w)->at += mn_now; |
1365 | ((WT)w)->at += mn_now; |
1330 | |
1366 | |
1331 | 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.)); |
1332 | |
1368 | |
1333 | ev_start (EV_A_ (W)w, ++timercnt); |
1369 | ev_start (EV_A_ (W)w, ++timercnt); |
1334 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1370 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1335 | timers [timercnt - 1] = w; |
1371 | timers [timercnt - 1] = w; |
1336 | upheap ((WT *)timers, timercnt - 1); |
1372 | upheap ((WT *)timers, timercnt - 1); |
1337 | |
1373 | |
1338 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1374 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1339 | } |
1375 | } |
… | |
… | |
1370 | } |
1406 | } |
1371 | else |
1407 | else |
1372 | ev_timer_stop (EV_A_ w); |
1408 | ev_timer_stop (EV_A_ w); |
1373 | } |
1409 | } |
1374 | else if (w->repeat) |
1410 | else if (w->repeat) |
|
|
1411 | { |
|
|
1412 | w->at = w->repeat; |
1375 | ev_timer_start (EV_A_ w); |
1413 | ev_timer_start (EV_A_ w); |
|
|
1414 | } |
1376 | } |
1415 | } |
1377 | |
1416 | |
1378 | #if EV_PERIODICS |
1417 | #if EV_PERIODICS |
1379 | void |
1418 | void |
1380 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1419 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
… | |
… | |
1390 | /* 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 */ |
1391 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1430 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1392 | } |
1431 | } |
1393 | |
1432 | |
1394 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1433 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1395 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1434 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1396 | periodics [periodiccnt - 1] = w; |
1435 | periodics [periodiccnt - 1] = w; |
1397 | upheap ((WT *)periodics, periodiccnt - 1); |
1436 | upheap ((WT *)periodics, periodiccnt - 1); |
1398 | |
1437 | |
1399 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1438 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1400 | } |
1439 | } |
… | |
… | |
1431 | { |
1470 | { |
1432 | if (ev_is_active (w)) |
1471 | if (ev_is_active (w)) |
1433 | return; |
1472 | return; |
1434 | |
1473 | |
1435 | ev_start (EV_A_ (W)w, ++idlecnt); |
1474 | ev_start (EV_A_ (W)w, ++idlecnt); |
1436 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1475 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1437 | idles [idlecnt - 1] = w; |
1476 | idles [idlecnt - 1] = w; |
1438 | } |
1477 | } |
1439 | |
1478 | |
1440 | void |
1479 | void |
1441 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1480 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1442 | { |
1481 | { |
1443 | ev_clear_pending (EV_A_ (W)w); |
1482 | ev_clear_pending (EV_A_ (W)w); |
1444 | if (ev_is_active (w)) |
1483 | if (!ev_is_active (w)) |
1445 | return; |
1484 | return; |
1446 | |
1485 | |
1447 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1486 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1448 | ev_stop (EV_A_ (W)w); |
1487 | ev_stop (EV_A_ (W)w); |
1449 | } |
1488 | } |
… | |
… | |
1453 | { |
1492 | { |
1454 | if (ev_is_active (w)) |
1493 | if (ev_is_active (w)) |
1455 | return; |
1494 | return; |
1456 | |
1495 | |
1457 | ev_start (EV_A_ (W)w, ++preparecnt); |
1496 | ev_start (EV_A_ (W)w, ++preparecnt); |
1458 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1497 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1459 | prepares [preparecnt - 1] = w; |
1498 | prepares [preparecnt - 1] = w; |
1460 | } |
1499 | } |
1461 | |
1500 | |
1462 | void |
1501 | void |
1463 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1502 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
… | |
… | |
1475 | { |
1514 | { |
1476 | if (ev_is_active (w)) |
1515 | if (ev_is_active (w)) |
1477 | return; |
1516 | return; |
1478 | |
1517 | |
1479 | ev_start (EV_A_ (W)w, ++checkcnt); |
1518 | ev_start (EV_A_ (W)w, ++checkcnt); |
1480 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1519 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1481 | checks [checkcnt - 1] = w; |
1520 | checks [checkcnt - 1] = w; |
1482 | } |
1521 | } |
1483 | |
1522 | |
1484 | void |
1523 | void |
1485 | ev_check_stop (EV_P_ struct ev_check *w) |
1524 | ev_check_stop (EV_P_ struct ev_check *w) |
… | |
… | |
1498 | |
1537 | |
1499 | void |
1538 | void |
1500 | ev_signal_start (EV_P_ struct ev_signal *w) |
1539 | ev_signal_start (EV_P_ struct ev_signal *w) |
1501 | { |
1540 | { |
1502 | #if EV_MULTIPLICITY |
1541 | #if EV_MULTIPLICITY |
1503 | 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)); |
1504 | #endif |
1543 | #endif |
1505 | if (ev_is_active (w)) |
1544 | if (ev_is_active (w)) |
1506 | return; |
1545 | return; |
1507 | |
1546 | |
1508 | 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)); |
… | |
… | |
1511 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1550 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1512 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1551 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1513 | |
1552 | |
1514 | if (!((WL)w)->next) |
1553 | if (!((WL)w)->next) |
1515 | { |
1554 | { |
1516 | #if WIN32 |
1555 | #if _WIN32 |
1517 | signal (w->signum, sighandler); |
1556 | signal (w->signum, sighandler); |
1518 | #else |
1557 | #else |
1519 | struct sigaction sa; |
1558 | struct sigaction sa; |
1520 | sa.sa_handler = sighandler; |
1559 | sa.sa_handler = sighandler; |
1521 | sigfillset (&sa.sa_mask); |
1560 | sigfillset (&sa.sa_mask); |
… | |
… | |
1541 | |
1580 | |
1542 | void |
1581 | void |
1543 | ev_child_start (EV_P_ struct ev_child *w) |
1582 | ev_child_start (EV_P_ struct ev_child *w) |
1544 | { |
1583 | { |
1545 | #if EV_MULTIPLICITY |
1584 | #if EV_MULTIPLICITY |
1546 | 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)); |
1547 | #endif |
1586 | #endif |
1548 | if (ev_is_active (w)) |
1587 | if (ev_is_active (w)) |
1549 | return; |
1588 | return; |
1550 | |
1589 | |
1551 | ev_start (EV_A_ (W)w, 1); |
1590 | ev_start (EV_A_ (W)w, 1); |