… | |
… | |
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 |
|
|
46 | # else |
|
|
47 | # ifndef EV_USE_MONOTONIC |
|
|
48 | # define EV_USE_MONOTONIC 0 |
|
|
49 | # endif |
|
|
50 | # ifndef EV_USE_REALTIME |
|
|
51 | # define EV_USE_REALTIME 0 |
|
|
52 | # endif |
37 | # endif |
53 | # endif |
38 | |
54 | |
|
|
55 | # ifndef EV_USE_SELECT |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
56 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
40 | # define EV_USE_SELECT 1 |
57 | # define EV_USE_SELECT 1 |
|
|
58 | # else |
|
|
59 | # define EV_USE_SELECT 0 |
|
|
60 | # endif |
41 | # endif |
61 | # endif |
42 | |
62 | |
|
|
63 | # ifndef EV_USE_POLL |
43 | # if HAVE_POLL && HAVE_POLL_H |
64 | # if HAVE_POLL && HAVE_POLL_H |
44 | # define EV_USE_POLL 1 |
65 | # define EV_USE_POLL 1 |
|
|
66 | # else |
|
|
67 | # define EV_USE_POLL 0 |
|
|
68 | # endif |
45 | # endif |
69 | # endif |
46 | |
70 | |
|
|
71 | # ifndef EV_USE_EPOLL |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
72 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
48 | # define EV_USE_EPOLL 1 |
73 | # define EV_USE_EPOLL 1 |
|
|
74 | # else |
|
|
75 | # define EV_USE_EPOLL 0 |
|
|
76 | # endif |
49 | # endif |
77 | # endif |
50 | |
78 | |
|
|
79 | # ifndef EV_USE_KQUEUE |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
80 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
52 | # define EV_USE_KQUEUE 1 |
81 | # define EV_USE_KQUEUE 1 |
|
|
82 | # else |
|
|
83 | # define EV_USE_KQUEUE 0 |
|
|
84 | # endif |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # ifndef EV_USE_PORT |
|
|
88 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
89 | # define EV_USE_PORT 1 |
|
|
90 | # else |
|
|
91 | # define EV_USE_PORT 0 |
|
|
92 | # endif |
53 | # endif |
93 | # endif |
54 | |
94 | |
55 | #endif |
95 | #endif |
56 | |
96 | |
57 | #include <math.h> |
97 | #include <math.h> |
… | |
… | |
66 | #include <sys/types.h> |
106 | #include <sys/types.h> |
67 | #include <time.h> |
107 | #include <time.h> |
68 | |
108 | |
69 | #include <signal.h> |
109 | #include <signal.h> |
70 | |
110 | |
71 | #ifndef WIN32 |
111 | #ifndef _WIN32 |
72 | # include <unistd.h> |
112 | # include <unistd.h> |
73 | # include <sys/time.h> |
113 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
114 | # include <sys/wait.h> |
|
|
115 | #else |
|
|
116 | # define WIN32_LEAN_AND_MEAN |
|
|
117 | # include <windows.h> |
|
|
118 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
119 | # define EV_SELECT_IS_WINSOCKET 1 |
75 | #endif |
120 | # endif |
|
|
121 | #endif |
|
|
122 | |
76 | /**/ |
123 | /**/ |
77 | |
124 | |
78 | #ifndef EV_USE_MONOTONIC |
125 | #ifndef EV_USE_MONOTONIC |
79 | # define EV_USE_MONOTONIC 1 |
126 | # define EV_USE_MONOTONIC 0 |
|
|
127 | #endif |
|
|
128 | |
|
|
129 | #ifndef EV_USE_REALTIME |
|
|
130 | # define EV_USE_REALTIME 0 |
80 | #endif |
131 | #endif |
81 | |
132 | |
82 | #ifndef EV_USE_SELECT |
133 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
134 | # define EV_USE_SELECT 1 |
84 | #endif |
135 | #endif |
85 | |
136 | |
86 | #ifndef EV_USE_POLL |
137 | #ifndef EV_USE_POLL |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
138 | # ifdef _WIN32 |
|
|
139 | # define EV_USE_POLL 0 |
|
|
140 | # else |
|
|
141 | # define EV_USE_POLL 1 |
|
|
142 | # endif |
88 | #endif |
143 | #endif |
89 | |
144 | |
90 | #ifndef EV_USE_EPOLL |
145 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
146 | # define EV_USE_EPOLL 0 |
92 | #endif |
147 | #endif |
93 | |
148 | |
94 | #ifndef EV_USE_KQUEUE |
149 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
150 | # define EV_USE_KQUEUE 0 |
96 | #endif |
151 | #endif |
97 | |
152 | |
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 |
153 | #ifndef EV_USE_PORT |
109 | # define EV_USE_REALTIME 1 |
154 | # define EV_USE_PORT 0 |
110 | #endif |
155 | #endif |
111 | |
156 | |
112 | /**/ |
157 | /**/ |
113 | |
158 | |
114 | #ifndef CLOCK_MONOTONIC |
159 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
119 | #ifndef CLOCK_REALTIME |
164 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
165 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
166 | # define EV_USE_REALTIME 0 |
122 | #endif |
167 | #endif |
123 | |
168 | |
|
|
169 | #if EV_SELECT_IS_WINSOCKET |
|
|
170 | # include <winsock.h> |
|
|
171 | #endif |
|
|
172 | |
124 | /**/ |
173 | /**/ |
125 | |
174 | |
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
175 | #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) */ |
176 | #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 */ |
177 | #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 */ |
178 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
130 | |
179 | |
131 | #ifdef EV_H |
180 | #ifdef EV_H |
132 | # include EV_H |
181 | # include EV_H |
133 | #else |
182 | #else |
134 | # include "ev.h" |
183 | # include "ev.h" |
135 | #endif |
184 | #endif |
136 | |
185 | |
137 | #if __GNUC__ >= 3 |
186 | #if __GNUC__ >= 3 |
138 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
187 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
139 | # define inline inline |
188 | # define inline static inline |
140 | #else |
189 | #else |
141 | # define expect(expr,value) (expr) |
190 | # define expect(expr,value) (expr) |
142 | # define inline static |
191 | # define inline static |
143 | #endif |
192 | #endif |
144 | |
193 | |
… | |
… | |
146 | #define expect_true(expr) expect ((expr) != 0, 1) |
195 | #define expect_true(expr) expect ((expr) != 0, 1) |
147 | |
196 | |
148 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
197 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
149 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
198 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
150 | |
199 | |
|
|
200 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
201 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
202 | |
151 | typedef struct ev_watcher *W; |
203 | typedef struct ev_watcher *W; |
152 | typedef struct ev_watcher_list *WL; |
204 | typedef struct ev_watcher_list *WL; |
153 | typedef struct ev_watcher_time *WT; |
205 | typedef struct ev_watcher_time *WT; |
154 | |
206 | |
155 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
207 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
156 | |
208 | |
|
|
209 | #ifdef _WIN32 |
157 | #include "ev_win32.c" |
210 | # include "ev_win32.c" |
|
|
211 | #endif |
158 | |
212 | |
159 | /*****************************************************************************/ |
213 | /*****************************************************************************/ |
160 | |
214 | |
161 | static void (*syserr_cb)(const char *msg); |
215 | static void (*syserr_cb)(const char *msg); |
162 | |
216 | |
… | |
… | |
209 | typedef struct |
263 | typedef struct |
210 | { |
264 | { |
211 | WL head; |
265 | WL head; |
212 | unsigned char events; |
266 | unsigned char events; |
213 | unsigned char reify; |
267 | unsigned char reify; |
|
|
268 | #if EV_SELECT_IS_WINSOCKET |
|
|
269 | SOCKET handle; |
|
|
270 | #endif |
214 | } ANFD; |
271 | } ANFD; |
215 | |
272 | |
216 | typedef struct |
273 | typedef struct |
217 | { |
274 | { |
218 | W w; |
275 | W w; |
… | |
… | |
221 | |
278 | |
222 | #if EV_MULTIPLICITY |
279 | #if EV_MULTIPLICITY |
223 | |
280 | |
224 | struct ev_loop |
281 | struct ev_loop |
225 | { |
282 | { |
|
|
283 | ev_tstamp ev_rt_now; |
|
|
284 | #define ev_rt_now ((loop)->ev_rt_now) |
226 | #define VAR(name,decl) decl; |
285 | #define VAR(name,decl) decl; |
227 | #include "ev_vars.h" |
286 | #include "ev_vars.h" |
228 | #undef VAR |
287 | #undef VAR |
229 | }; |
288 | }; |
230 | #include "ev_wrap.h" |
289 | #include "ev_wrap.h" |
231 | |
290 | |
232 | struct ev_loop default_loop_struct; |
291 | static struct ev_loop default_loop_struct; |
233 | static struct ev_loop *default_loop; |
292 | struct ev_loop *ev_default_loop_ptr; |
234 | |
293 | |
235 | #else |
294 | #else |
236 | |
295 | |
|
|
296 | ev_tstamp ev_rt_now; |
237 | #define VAR(name,decl) static decl; |
297 | #define VAR(name,decl) static decl; |
238 | #include "ev_vars.h" |
298 | #include "ev_vars.h" |
239 | #undef VAR |
299 | #undef VAR |
240 | |
300 | |
241 | static int default_loop; |
301 | static int ev_default_loop_ptr; |
242 | |
302 | |
243 | #endif |
303 | #endif |
244 | |
304 | |
245 | /*****************************************************************************/ |
305 | /*****************************************************************************/ |
246 | |
306 | |
247 | inline ev_tstamp |
307 | ev_tstamp |
248 | ev_time (void) |
308 | ev_time (void) |
249 | { |
309 | { |
250 | #if EV_USE_REALTIME |
310 | #if EV_USE_REALTIME |
251 | struct timespec ts; |
311 | struct timespec ts; |
252 | clock_gettime (CLOCK_REALTIME, &ts); |
312 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
279 | { |
339 | { |
280 | return ev_rt_now; |
340 | return ev_rt_now; |
281 | } |
341 | } |
282 | #endif |
342 | #endif |
283 | |
343 | |
284 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
344 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
285 | |
345 | |
286 | #define array_needsize(type,base,cur,cnt,init) \ |
346 | #define array_needsize(type,base,cur,cnt,init) \ |
287 | if (expect_false ((cnt) > cur)) \ |
347 | if (expect_false ((cnt) > cur)) \ |
288 | { \ |
348 | { \ |
289 | int newcnt = cur; \ |
349 | int newcnt = cur; \ |
… | |
… | |
304 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
364 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
305 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
365 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
306 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
366 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
307 | } |
367 | } |
308 | |
368 | |
309 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
310 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
311 | #define array_free_microshit(stem) \ |
|
|
312 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
313 | |
|
|
314 | #define array_free(stem, idx) \ |
369 | #define array_free(stem, idx) \ |
315 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
370 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
316 | |
371 | |
317 | /*****************************************************************************/ |
372 | /*****************************************************************************/ |
318 | |
373 | |
… | |
… | |
332 | void |
387 | void |
333 | ev_feed_event (EV_P_ void *w, int revents) |
388 | ev_feed_event (EV_P_ void *w, int revents) |
334 | { |
389 | { |
335 | W w_ = (W)w; |
390 | W w_ = (W)w; |
336 | |
391 | |
337 | if (w_->pending) |
392 | if (expect_false (w_->pending)) |
338 | { |
393 | { |
339 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
394 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
340 | return; |
395 | return; |
341 | } |
396 | } |
342 | |
397 | |
343 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
398 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
344 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
399 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
345 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
400 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
346 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
401 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
347 | } |
402 | } |
348 | |
403 | |
349 | static void |
404 | static void |
… | |
… | |
376 | fd_event (EV_A_ fd, revents); |
431 | fd_event (EV_A_ fd, revents); |
377 | } |
432 | } |
378 | |
433 | |
379 | /*****************************************************************************/ |
434 | /*****************************************************************************/ |
380 | |
435 | |
381 | static void |
436 | inline void |
382 | fd_reify (EV_P) |
437 | fd_reify (EV_P) |
383 | { |
438 | { |
384 | int i; |
439 | int i; |
385 | |
440 | |
386 | for (i = 0; i < fdchangecnt; ++i) |
441 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
392 | int events = 0; |
447 | int events = 0; |
393 | |
448 | |
394 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
449 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
395 | events |= w->events; |
450 | events |= w->events; |
396 | |
451 | |
|
|
452 | #if EV_SELECT_IS_WINSOCKET |
|
|
453 | if (events) |
|
|
454 | { |
|
|
455 | unsigned long argp; |
|
|
456 | anfd->handle = _get_osfhandle (fd); |
|
|
457 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
458 | } |
|
|
459 | #endif |
|
|
460 | |
397 | anfd->reify = 0; |
461 | anfd->reify = 0; |
398 | |
462 | |
399 | method_modify (EV_A_ fd, anfd->events, events); |
463 | backend_modify (EV_A_ fd, anfd->events, events); |
400 | anfd->events = events; |
464 | anfd->events = events; |
401 | } |
465 | } |
402 | |
466 | |
403 | fdchangecnt = 0; |
467 | fdchangecnt = 0; |
404 | } |
468 | } |
405 | |
469 | |
406 | static void |
470 | static void |
407 | fd_change (EV_P_ int fd) |
471 | fd_change (EV_P_ int fd) |
408 | { |
472 | { |
409 | if (anfds [fd].reify) |
473 | if (expect_false (anfds [fd].reify)) |
410 | return; |
474 | return; |
411 | |
475 | |
412 | anfds [fd].reify = 1; |
476 | anfds [fd].reify = 1; |
413 | |
477 | |
414 | ++fdchangecnt; |
478 | ++fdchangecnt; |
415 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
479 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
416 | fdchanges [fdchangecnt - 1] = fd; |
480 | fdchanges [fdchangecnt - 1] = fd; |
417 | } |
481 | } |
418 | |
482 | |
419 | static void |
483 | static void |
420 | fd_kill (EV_P_ int fd) |
484 | fd_kill (EV_P_ int fd) |
… | |
… | |
426 | ev_io_stop (EV_A_ w); |
490 | ev_io_stop (EV_A_ w); |
427 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
491 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
428 | } |
492 | } |
429 | } |
493 | } |
430 | |
494 | |
431 | static int |
495 | inline int |
432 | fd_valid (int fd) |
496 | fd_valid (int fd) |
433 | { |
497 | { |
434 | #ifdef WIN32 |
498 | #ifdef _WIN32 |
435 | return !!win32_get_osfhandle (fd); |
499 | return _get_osfhandle (fd) != -1; |
436 | #else |
500 | #else |
437 | return fcntl (fd, F_GETFD) != -1; |
501 | return fcntl (fd, F_GETFD) != -1; |
438 | #endif |
502 | #endif |
439 | } |
503 | } |
440 | |
504 | |
… | |
… | |
462 | fd_kill (EV_A_ fd); |
526 | fd_kill (EV_A_ fd); |
463 | return; |
527 | return; |
464 | } |
528 | } |
465 | } |
529 | } |
466 | |
530 | |
467 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
531 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
468 | static void |
532 | static void |
469 | fd_rearm_all (EV_P) |
533 | fd_rearm_all (EV_P) |
470 | { |
534 | { |
471 | int fd; |
535 | int fd; |
472 | |
536 | |
… | |
… | |
521 | heap [k] = w; |
585 | heap [k] = w; |
522 | ((W)heap [k])->active = k + 1; |
586 | ((W)heap [k])->active = k + 1; |
523 | } |
587 | } |
524 | |
588 | |
525 | inline void |
589 | inline void |
526 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
590 | adjustheap (WT *heap, int N, int k) |
527 | { |
591 | { |
528 | ev_tstamp old_at = heap [k]->at; |
592 | upheap (heap, k); |
529 | heap [k]->at = at; |
|
|
530 | |
|
|
531 | if (old_at < at) |
|
|
532 | downheap (heap, N, k); |
593 | downheap (heap, N, k); |
533 | else |
|
|
534 | upheap (heap, k); |
|
|
535 | } |
594 | } |
536 | |
595 | |
537 | /*****************************************************************************/ |
596 | /*****************************************************************************/ |
538 | |
597 | |
539 | typedef struct |
598 | typedef struct |
… | |
… | |
562 | } |
621 | } |
563 | |
622 | |
564 | static void |
623 | static void |
565 | sighandler (int signum) |
624 | sighandler (int signum) |
566 | { |
625 | { |
567 | #if WIN32 |
626 | #if _WIN32 |
568 | signal (signum, sighandler); |
627 | signal (signum, sighandler); |
569 | #endif |
628 | #endif |
570 | |
629 | |
571 | signals [signum - 1].gotsig = 1; |
630 | signals [signum - 1].gotsig = 1; |
572 | |
631 | |
573 | if (!gotsig) |
632 | if (!gotsig) |
574 | { |
633 | { |
575 | int old_errno = errno; |
634 | int old_errno = errno; |
576 | gotsig = 1; |
635 | gotsig = 1; |
577 | #ifdef WIN32 |
|
|
578 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
579 | #else |
|
|
580 | write (sigpipe [1], &signum, 1); |
636 | write (sigpipe [1], &signum, 1); |
581 | #endif |
|
|
582 | errno = old_errno; |
637 | errno = old_errno; |
583 | } |
638 | } |
584 | } |
639 | } |
585 | |
640 | |
586 | void |
641 | void |
587 | ev_feed_signal_event (EV_P_ int signum) |
642 | ev_feed_signal_event (EV_P_ int signum) |
588 | { |
643 | { |
589 | WL w; |
644 | WL w; |
590 | |
645 | |
591 | #if EV_MULTIPLICITY |
646 | #if EV_MULTIPLICITY |
592 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
647 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
593 | #endif |
648 | #endif |
594 | |
649 | |
595 | --signum; |
650 | --signum; |
596 | |
651 | |
597 | if (signum < 0 || signum >= signalmax) |
652 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
606 | static void |
661 | static void |
607 | sigcb (EV_P_ struct ev_io *iow, int revents) |
662 | sigcb (EV_P_ struct ev_io *iow, int revents) |
608 | { |
663 | { |
609 | int signum; |
664 | int signum; |
610 | |
665 | |
611 | #ifdef WIN32 |
|
|
612 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
613 | #else |
|
|
614 | read (sigpipe [0], &revents, 1); |
666 | read (sigpipe [0], &revents, 1); |
615 | #endif |
|
|
616 | gotsig = 0; |
667 | gotsig = 0; |
617 | |
668 | |
618 | for (signum = signalmax; signum--; ) |
669 | for (signum = signalmax; signum--; ) |
619 | if (signals [signum].gotsig) |
670 | if (signals [signum].gotsig) |
620 | ev_feed_signal_event (EV_A_ signum + 1); |
671 | ev_feed_signal_event (EV_A_ signum + 1); |
621 | } |
672 | } |
622 | |
673 | |
623 | static void |
674 | static void |
|
|
675 | fd_intern (int fd) |
|
|
676 | { |
|
|
677 | #ifdef _WIN32 |
|
|
678 | int arg = 1; |
|
|
679 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
680 | #else |
|
|
681 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
682 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
683 | #endif |
|
|
684 | } |
|
|
685 | |
|
|
686 | static void |
624 | siginit (EV_P) |
687 | siginit (EV_P) |
625 | { |
688 | { |
626 | #ifndef WIN32 |
689 | fd_intern (sigpipe [0]); |
627 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
690 | fd_intern (sigpipe [1]); |
628 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
629 | |
|
|
630 | /* rather than sort out wether we really need nb, set it */ |
|
|
631 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
632 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
633 | #endif |
|
|
634 | |
691 | |
635 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
692 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
636 | ev_io_start (EV_A_ &sigev); |
693 | ev_io_start (EV_A_ &sigev); |
637 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
694 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
638 | } |
695 | } |
639 | |
696 | |
640 | /*****************************************************************************/ |
697 | /*****************************************************************************/ |
641 | |
698 | |
642 | static struct ev_child *childs [PID_HASHSIZE]; |
699 | static struct ev_child *childs [PID_HASHSIZE]; |
643 | |
700 | |
644 | #ifndef WIN32 |
701 | #ifndef _WIN32 |
645 | |
702 | |
646 | static struct ev_signal childev; |
703 | static struct ev_signal childev; |
647 | |
704 | |
648 | #ifndef WCONTINUED |
705 | #ifndef WCONTINUED |
649 | # define WCONTINUED 0 |
706 | # define WCONTINUED 0 |
… | |
… | |
681 | |
738 | |
682 | #endif |
739 | #endif |
683 | |
740 | |
684 | /*****************************************************************************/ |
741 | /*****************************************************************************/ |
685 | |
742 | |
|
|
743 | #if EV_USE_PORT |
|
|
744 | # include "ev_port.c" |
|
|
745 | #endif |
686 | #if EV_USE_KQUEUE |
746 | #if EV_USE_KQUEUE |
687 | # include "ev_kqueue.c" |
747 | # include "ev_kqueue.c" |
688 | #endif |
748 | #endif |
689 | #if EV_USE_EPOLL |
749 | #if EV_USE_EPOLL |
690 | # include "ev_epoll.c" |
750 | # include "ev_epoll.c" |
… | |
… | |
710 | |
770 | |
711 | /* return true if we are running with elevated privileges and should ignore env variables */ |
771 | /* return true if we are running with elevated privileges and should ignore env variables */ |
712 | static int |
772 | static int |
713 | enable_secure (void) |
773 | enable_secure (void) |
714 | { |
774 | { |
715 | #ifdef WIN32 |
775 | #ifdef _WIN32 |
716 | return 0; |
776 | return 0; |
717 | #else |
777 | #else |
718 | return getuid () != geteuid () |
778 | return getuid () != geteuid () |
719 | || getgid () != getegid (); |
779 | || getgid () != getegid (); |
720 | #endif |
780 | #endif |
721 | } |
781 | } |
722 | |
782 | |
723 | int |
783 | unsigned int |
724 | ev_method (EV_P) |
784 | ev_supported_backends (void) |
725 | { |
785 | { |
726 | return method; |
786 | unsigned int flags = 0; |
727 | } |
|
|
728 | |
787 | |
729 | static void |
788 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
730 | loop_init (EV_P_ int methods) |
789 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
790 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
791 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
792 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
793 | |
|
|
794 | return flags; |
|
|
795 | } |
|
|
796 | |
|
|
797 | unsigned int |
|
|
798 | ev_recommended_backends (void) |
731 | { |
799 | { |
732 | if (!method) |
800 | unsigned int flags = ev_recommended_backends (); |
|
|
801 | |
|
|
802 | #ifndef __NetBSD__ |
|
|
803 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
804 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
805 | flags &= ~EVBACKEND_KQUEUE; |
|
|
806 | #endif |
|
|
807 | #ifdef __APPLE__ |
|
|
808 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
809 | flags &= ~EVBACKEND_POLL; |
|
|
810 | #endif |
|
|
811 | |
|
|
812 | return flags; |
|
|
813 | } |
|
|
814 | |
|
|
815 | unsigned int |
|
|
816 | ev_backend (EV_P) |
|
|
817 | { |
|
|
818 | return backend; |
|
|
819 | } |
|
|
820 | |
|
|
821 | static void |
|
|
822 | loop_init (EV_P_ unsigned int flags) |
|
|
823 | { |
|
|
824 | if (!backend) |
733 | { |
825 | { |
734 | #if EV_USE_MONOTONIC |
826 | #if EV_USE_MONOTONIC |
735 | { |
827 | { |
736 | struct timespec ts; |
828 | struct timespec ts; |
737 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
829 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
742 | ev_rt_now = ev_time (); |
834 | ev_rt_now = ev_time (); |
743 | mn_now = get_clock (); |
835 | mn_now = get_clock (); |
744 | now_floor = mn_now; |
836 | now_floor = mn_now; |
745 | rtmn_diff = ev_rt_now - mn_now; |
837 | rtmn_diff = ev_rt_now - mn_now; |
746 | |
838 | |
747 | if (methods == EVMETHOD_AUTO) |
839 | if (!(flags & EVFLAG_NOENV) |
748 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
840 | && !enable_secure () |
|
|
841 | && getenv ("LIBEV_FLAGS")) |
749 | methods = atoi (getenv ("LIBEV_METHODS")); |
842 | flags = atoi (getenv ("LIBEV_FLAGS")); |
750 | else |
|
|
751 | methods = EVMETHOD_ANY; |
|
|
752 | |
843 | |
753 | method = 0; |
844 | if (!(flags & 0x0000ffffUL)) |
754 | #if EV_USE_WIN32 |
845 | flags |= ev_recommended_backends (); |
755 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
846 | |
|
|
847 | backend = 0; |
|
|
848 | #if EV_USE_PORT |
|
|
849 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
756 | #endif |
850 | #endif |
757 | #if EV_USE_KQUEUE |
851 | #if EV_USE_KQUEUE |
758 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
852 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
759 | #endif |
853 | #endif |
760 | #if EV_USE_EPOLL |
854 | #if EV_USE_EPOLL |
761 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
855 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
762 | #endif |
856 | #endif |
763 | #if EV_USE_POLL |
857 | #if EV_USE_POLL |
764 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
858 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
765 | #endif |
859 | #endif |
766 | #if EV_USE_SELECT |
860 | #if EV_USE_SELECT |
767 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
861 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
768 | #endif |
862 | #endif |
769 | |
863 | |
770 | ev_init (&sigev, sigcb); |
864 | ev_init (&sigev, sigcb); |
771 | ev_set_priority (&sigev, EV_MAXPRI); |
865 | ev_set_priority (&sigev, EV_MAXPRI); |
772 | } |
866 | } |
773 | } |
867 | } |
774 | |
868 | |
775 | void |
869 | static void |
776 | loop_destroy (EV_P) |
870 | loop_destroy (EV_P) |
777 | { |
871 | { |
778 | int i; |
872 | int i; |
779 | |
873 | |
780 | #if EV_USE_WIN32 |
874 | #if EV_USE_PORT |
781 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
875 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
782 | #endif |
876 | #endif |
783 | #if EV_USE_KQUEUE |
877 | #if EV_USE_KQUEUE |
784 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
878 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
785 | #endif |
879 | #endif |
786 | #if EV_USE_EPOLL |
880 | #if EV_USE_EPOLL |
787 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
881 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
788 | #endif |
882 | #endif |
789 | #if EV_USE_POLL |
883 | #if EV_USE_POLL |
790 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
884 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
791 | #endif |
885 | #endif |
792 | #if EV_USE_SELECT |
886 | #if EV_USE_SELECT |
793 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
887 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
794 | #endif |
888 | #endif |
795 | |
889 | |
796 | for (i = NUMPRI; i--; ) |
890 | for (i = NUMPRI; i--; ) |
797 | array_free (pending, [i]); |
891 | array_free (pending, [i]); |
798 | |
892 | |
799 | /* have to use the microsoft-never-gets-it-right macro */ |
893 | /* have to use the microsoft-never-gets-it-right macro */ |
800 | array_free_microshit (fdchange); |
894 | array_free (fdchange, EMPTY0); |
801 | array_free_microshit (timer); |
895 | array_free (timer, EMPTY0); |
802 | array_free_microshit (periodic); |
896 | #if EV_PERIODICS |
803 | array_free_microshit (idle); |
897 | array_free (periodic, EMPTY0); |
804 | array_free_microshit (prepare); |
898 | #endif |
805 | array_free_microshit (check); |
899 | array_free (idle, EMPTY0); |
|
|
900 | array_free (prepare, EMPTY0); |
|
|
901 | array_free (check, EMPTY0); |
806 | |
902 | |
807 | method = 0; |
903 | backend = 0; |
808 | } |
904 | } |
809 | |
905 | |
810 | static void |
906 | static void |
811 | loop_fork (EV_P) |
907 | loop_fork (EV_P) |
812 | { |
908 | { |
|
|
909 | #if EV_USE_PORT |
|
|
910 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
911 | #endif |
|
|
912 | #if EV_USE_KQUEUE |
|
|
913 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
914 | #endif |
813 | #if EV_USE_EPOLL |
915 | #if EV_USE_EPOLL |
814 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
916 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
815 | #endif |
|
|
816 | #if EV_USE_KQUEUE |
|
|
817 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
818 | #endif |
917 | #endif |
819 | |
918 | |
820 | if (ev_is_active (&sigev)) |
919 | if (ev_is_active (&sigev)) |
821 | { |
920 | { |
822 | /* default loop */ |
921 | /* default loop */ |
… | |
… | |
835 | postfork = 0; |
934 | postfork = 0; |
836 | } |
935 | } |
837 | |
936 | |
838 | #if EV_MULTIPLICITY |
937 | #if EV_MULTIPLICITY |
839 | struct ev_loop * |
938 | struct ev_loop * |
840 | ev_loop_new (int methods) |
939 | ev_loop_new (unsigned int flags) |
841 | { |
940 | { |
842 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
941 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
843 | |
942 | |
844 | memset (loop, 0, sizeof (struct ev_loop)); |
943 | memset (loop, 0, sizeof (struct ev_loop)); |
845 | |
944 | |
846 | loop_init (EV_A_ methods); |
945 | loop_init (EV_A_ flags); |
847 | |
946 | |
848 | if (ev_method (EV_A)) |
947 | if (ev_backend (EV_A)) |
849 | return loop; |
948 | return loop; |
850 | |
949 | |
851 | return 0; |
950 | return 0; |
852 | } |
951 | } |
853 | |
952 | |
… | |
… | |
866 | |
965 | |
867 | #endif |
966 | #endif |
868 | |
967 | |
869 | #if EV_MULTIPLICITY |
968 | #if EV_MULTIPLICITY |
870 | struct ev_loop * |
969 | struct ev_loop * |
|
|
970 | ev_default_loop_init (unsigned int flags) |
871 | #else |
971 | #else |
872 | int |
972 | int |
|
|
973 | ev_default_loop (unsigned int flags) |
873 | #endif |
974 | #endif |
874 | ev_default_loop (int methods) |
|
|
875 | { |
975 | { |
876 | if (sigpipe [0] == sigpipe [1]) |
976 | if (sigpipe [0] == sigpipe [1]) |
877 | if (pipe (sigpipe)) |
977 | if (pipe (sigpipe)) |
878 | return 0; |
978 | return 0; |
879 | |
979 | |
880 | if (!default_loop) |
980 | if (!ev_default_loop_ptr) |
881 | { |
981 | { |
882 | #if EV_MULTIPLICITY |
982 | #if EV_MULTIPLICITY |
883 | struct ev_loop *loop = default_loop = &default_loop_struct; |
983 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
884 | #else |
984 | #else |
885 | default_loop = 1; |
985 | ev_default_loop_ptr = 1; |
886 | #endif |
986 | #endif |
887 | |
987 | |
888 | loop_init (EV_A_ methods); |
988 | loop_init (EV_A_ flags); |
889 | |
989 | |
890 | if (ev_method (EV_A)) |
990 | if (ev_backend (EV_A)) |
891 | { |
991 | { |
892 | siginit (EV_A); |
992 | siginit (EV_A); |
893 | |
993 | |
894 | #ifndef WIN32 |
994 | #ifndef _WIN32 |
895 | ev_signal_init (&childev, childcb, SIGCHLD); |
995 | ev_signal_init (&childev, childcb, SIGCHLD); |
896 | ev_set_priority (&childev, EV_MAXPRI); |
996 | ev_set_priority (&childev, EV_MAXPRI); |
897 | ev_signal_start (EV_A_ &childev); |
997 | ev_signal_start (EV_A_ &childev); |
898 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
998 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
899 | #endif |
999 | #endif |
900 | } |
1000 | } |
901 | else |
1001 | else |
902 | default_loop = 0; |
1002 | ev_default_loop_ptr = 0; |
903 | } |
1003 | } |
904 | |
1004 | |
905 | return default_loop; |
1005 | return ev_default_loop_ptr; |
906 | } |
1006 | } |
907 | |
1007 | |
908 | void |
1008 | void |
909 | ev_default_destroy (void) |
1009 | ev_default_destroy (void) |
910 | { |
1010 | { |
911 | #if EV_MULTIPLICITY |
1011 | #if EV_MULTIPLICITY |
912 | struct ev_loop *loop = default_loop; |
1012 | struct ev_loop *loop = ev_default_loop_ptr; |
913 | #endif |
1013 | #endif |
914 | |
1014 | |
915 | #ifndef WIN32 |
1015 | #ifndef _WIN32 |
916 | ev_ref (EV_A); /* child watcher */ |
1016 | ev_ref (EV_A); /* child watcher */ |
917 | ev_signal_stop (EV_A_ &childev); |
1017 | ev_signal_stop (EV_A_ &childev); |
918 | #endif |
1018 | #endif |
919 | |
1019 | |
920 | ev_ref (EV_A); /* signal watcher */ |
1020 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
928 | |
1028 | |
929 | void |
1029 | void |
930 | ev_default_fork (void) |
1030 | ev_default_fork (void) |
931 | { |
1031 | { |
932 | #if EV_MULTIPLICITY |
1032 | #if EV_MULTIPLICITY |
933 | struct ev_loop *loop = default_loop; |
1033 | struct ev_loop *loop = ev_default_loop_ptr; |
934 | #endif |
1034 | #endif |
935 | |
1035 | |
936 | if (method) |
1036 | if (backend) |
937 | postfork = 1; |
1037 | postfork = 1; |
938 | } |
1038 | } |
939 | |
1039 | |
940 | /*****************************************************************************/ |
1040 | /*****************************************************************************/ |
941 | |
1041 | |
… | |
… | |
949 | return 1; |
1049 | return 1; |
950 | |
1050 | |
951 | return 0; |
1051 | return 0; |
952 | } |
1052 | } |
953 | |
1053 | |
954 | static void |
1054 | inline void |
955 | call_pending (EV_P) |
1055 | call_pending (EV_P) |
956 | { |
1056 | { |
957 | int pri; |
1057 | int pri; |
958 | |
1058 | |
959 | for (pri = NUMPRI; pri--; ) |
1059 | for (pri = NUMPRI; pri--; ) |
960 | while (pendingcnt [pri]) |
1060 | while (pendingcnt [pri]) |
961 | { |
1061 | { |
962 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1062 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
963 | |
1063 | |
964 | if (p->w) |
1064 | if (expect_true (p->w)) |
965 | { |
1065 | { |
966 | p->w->pending = 0; |
1066 | p->w->pending = 0; |
967 | EV_CB_INVOKE (p->w, p->events); |
1067 | EV_CB_INVOKE (p->w, p->events); |
968 | } |
1068 | } |
969 | } |
1069 | } |
970 | } |
1070 | } |
971 | |
1071 | |
972 | static void |
1072 | inline void |
973 | timers_reify (EV_P) |
1073 | timers_reify (EV_P) |
974 | { |
1074 | { |
975 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1075 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
976 | { |
1076 | { |
977 | struct ev_timer *w = timers [0]; |
1077 | struct ev_timer *w = timers [0]; |
… | |
… | |
980 | |
1080 | |
981 | /* first reschedule or stop timer */ |
1081 | /* first reschedule or stop timer */ |
982 | if (w->repeat) |
1082 | if (w->repeat) |
983 | { |
1083 | { |
984 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1084 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1085 | |
985 | ((WT)w)->at = mn_now + w->repeat; |
1086 | ((WT)w)->at += w->repeat; |
|
|
1087 | if (((WT)w)->at < mn_now) |
|
|
1088 | ((WT)w)->at = mn_now; |
|
|
1089 | |
986 | downheap ((WT *)timers, timercnt, 0); |
1090 | downheap ((WT *)timers, timercnt, 0); |
987 | } |
1091 | } |
988 | else |
1092 | else |
989 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1093 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
990 | |
1094 | |
991 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1095 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
992 | } |
1096 | } |
993 | } |
1097 | } |
994 | |
1098 | |
995 | static void |
1099 | #if EV_PERIODICS |
|
|
1100 | inline void |
996 | periodics_reify (EV_P) |
1101 | periodics_reify (EV_P) |
997 | { |
1102 | { |
998 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1103 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
999 | { |
1104 | { |
1000 | struct ev_periodic *w = periodics [0]; |
1105 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1002 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1107 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1003 | |
1108 | |
1004 | /* first reschedule or stop timer */ |
1109 | /* first reschedule or stop timer */ |
1005 | if (w->reschedule_cb) |
1110 | if (w->reschedule_cb) |
1006 | { |
1111 | { |
1007 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1112 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1008 | |
|
|
1009 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1113 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1010 | downheap ((WT *)periodics, periodiccnt, 0); |
1114 | downheap ((WT *)periodics, periodiccnt, 0); |
1011 | } |
1115 | } |
1012 | else if (w->interval) |
1116 | else if (w->interval) |
1013 | { |
1117 | { |
… | |
… | |
1040 | |
1144 | |
1041 | /* now rebuild the heap */ |
1145 | /* now rebuild the heap */ |
1042 | for (i = periodiccnt >> 1; i--; ) |
1146 | for (i = periodiccnt >> 1; i--; ) |
1043 | downheap ((WT *)periodics, periodiccnt, i); |
1147 | downheap ((WT *)periodics, periodiccnt, i); |
1044 | } |
1148 | } |
|
|
1149 | #endif |
1045 | |
1150 | |
1046 | inline int |
1151 | inline int |
1047 | time_update_monotonic (EV_P) |
1152 | time_update_monotonic (EV_P) |
1048 | { |
1153 | { |
1049 | mn_now = get_clock (); |
1154 | mn_now = get_clock (); |
… | |
… | |
1059 | ev_rt_now = ev_time (); |
1164 | ev_rt_now = ev_time (); |
1060 | return 1; |
1165 | return 1; |
1061 | } |
1166 | } |
1062 | } |
1167 | } |
1063 | |
1168 | |
1064 | static void |
1169 | inline void |
1065 | time_update (EV_P) |
1170 | time_update (EV_P) |
1066 | { |
1171 | { |
1067 | int i; |
1172 | int i; |
1068 | |
1173 | |
1069 | #if EV_USE_MONOTONIC |
1174 | #if EV_USE_MONOTONIC |
… | |
… | |
1083 | ev_rt_now = ev_time (); |
1188 | ev_rt_now = ev_time (); |
1084 | mn_now = get_clock (); |
1189 | mn_now = get_clock (); |
1085 | now_floor = mn_now; |
1190 | now_floor = mn_now; |
1086 | } |
1191 | } |
1087 | |
1192 | |
|
|
1193 | # if EV_PERIODICS |
1088 | periodics_reschedule (EV_A); |
1194 | periodics_reschedule (EV_A); |
|
|
1195 | # endif |
1089 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1196 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1090 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1197 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1091 | } |
1198 | } |
1092 | } |
1199 | } |
1093 | else |
1200 | else |
… | |
… | |
1095 | { |
1202 | { |
1096 | ev_rt_now = ev_time (); |
1203 | ev_rt_now = ev_time (); |
1097 | |
1204 | |
1098 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1205 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1099 | { |
1206 | { |
|
|
1207 | #if EV_PERIODICS |
1100 | periodics_reschedule (EV_A); |
1208 | periodics_reschedule (EV_A); |
|
|
1209 | #endif |
1101 | |
1210 | |
1102 | /* adjust timers. this is easy, as the offset is the same for all */ |
1211 | /* adjust timers. this is easy, as the offset is the same for all */ |
1103 | for (i = 0; i < timercnt; ++i) |
1212 | for (i = 0; i < timercnt; ++i) |
1104 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1213 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1105 | } |
1214 | } |
… | |
… | |
1126 | ev_loop (EV_P_ int flags) |
1235 | ev_loop (EV_P_ int flags) |
1127 | { |
1236 | { |
1128 | double block; |
1237 | double block; |
1129 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1238 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1130 | |
1239 | |
1131 | do |
1240 | while (activecnt) |
1132 | { |
1241 | { |
1133 | /* queue check watchers (and execute them) */ |
1242 | /* queue check watchers (and execute them) */ |
1134 | if (expect_false (preparecnt)) |
1243 | if (expect_false (preparecnt)) |
1135 | { |
1244 | { |
1136 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1245 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1164 | { |
1273 | { |
1165 | block = MAX_BLOCKTIME; |
1274 | block = MAX_BLOCKTIME; |
1166 | |
1275 | |
1167 | if (timercnt) |
1276 | if (timercnt) |
1168 | { |
1277 | { |
1169 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1278 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1170 | if (block > to) block = to; |
1279 | if (block > to) block = to; |
1171 | } |
1280 | } |
1172 | |
1281 | |
|
|
1282 | #if EV_PERIODICS |
1173 | if (periodiccnt) |
1283 | if (periodiccnt) |
1174 | { |
1284 | { |
1175 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1285 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1176 | if (block > to) block = to; |
1286 | if (block > to) block = to; |
1177 | } |
1287 | } |
|
|
1288 | #endif |
1178 | |
1289 | |
1179 | if (block < 0.) block = 0.; |
1290 | if (expect_false (block < 0.)) block = 0.; |
1180 | } |
1291 | } |
1181 | |
1292 | |
1182 | method_poll (EV_A_ block); |
1293 | backend_poll (EV_A_ block); |
1183 | |
1294 | |
1184 | /* update ev_rt_now, do magic */ |
1295 | /* update ev_rt_now, do magic */ |
1185 | time_update (EV_A); |
1296 | time_update (EV_A); |
1186 | |
1297 | |
1187 | /* queue pending timers and reschedule them */ |
1298 | /* queue pending timers and reschedule them */ |
1188 | timers_reify (EV_A); /* relative timers called last */ |
1299 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1300 | #if EV_PERIODICS |
1189 | periodics_reify (EV_A); /* absolute timers called first */ |
1301 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1302 | #endif |
1190 | |
1303 | |
1191 | /* queue idle watchers unless io or timers are pending */ |
1304 | /* queue idle watchers unless io or timers are pending */ |
1192 | if (idlecnt && !any_pending (EV_A)) |
1305 | if (idlecnt && !any_pending (EV_A)) |
1193 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1306 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1194 | |
1307 | |
1195 | /* queue check watchers, to be executed first */ |
1308 | /* queue check watchers, to be executed first */ |
1196 | if (checkcnt) |
1309 | if (expect_false (checkcnt)) |
1197 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1310 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1198 | |
1311 | |
1199 | call_pending (EV_A); |
1312 | call_pending (EV_A); |
|
|
1313 | |
|
|
1314 | if (expect_false (loop_done)) |
|
|
1315 | break; |
1200 | } |
1316 | } |
1201 | while (activecnt && !loop_done); |
|
|
1202 | |
1317 | |
1203 | if (loop_done != 2) |
1318 | if (loop_done != 2) |
1204 | loop_done = 0; |
1319 | loop_done = 0; |
1205 | } |
1320 | } |
1206 | |
1321 | |
… | |
… | |
1266 | void |
1381 | void |
1267 | ev_io_start (EV_P_ struct ev_io *w) |
1382 | ev_io_start (EV_P_ struct ev_io *w) |
1268 | { |
1383 | { |
1269 | int fd = w->fd; |
1384 | int fd = w->fd; |
1270 | |
1385 | |
1271 | if (ev_is_active (w)) |
1386 | if (expect_false (ev_is_active (w))) |
1272 | return; |
1387 | return; |
1273 | |
1388 | |
1274 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1389 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1275 | |
1390 | |
1276 | ev_start (EV_A_ (W)w, 1); |
1391 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1282 | |
1397 | |
1283 | void |
1398 | void |
1284 | ev_io_stop (EV_P_ struct ev_io *w) |
1399 | ev_io_stop (EV_P_ struct ev_io *w) |
1285 | { |
1400 | { |
1286 | ev_clear_pending (EV_A_ (W)w); |
1401 | ev_clear_pending (EV_A_ (W)w); |
1287 | if (!ev_is_active (w)) |
1402 | if (expect_false (!ev_is_active (w))) |
1288 | return; |
1403 | return; |
|
|
1404 | |
|
|
1405 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1289 | |
1406 | |
1290 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1407 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1291 | ev_stop (EV_A_ (W)w); |
1408 | ev_stop (EV_A_ (W)w); |
1292 | |
1409 | |
1293 | fd_change (EV_A_ w->fd); |
1410 | fd_change (EV_A_ w->fd); |
1294 | } |
1411 | } |
1295 | |
1412 | |
1296 | void |
1413 | void |
1297 | ev_timer_start (EV_P_ struct ev_timer *w) |
1414 | ev_timer_start (EV_P_ struct ev_timer *w) |
1298 | { |
1415 | { |
1299 | if (ev_is_active (w)) |
1416 | if (expect_false (ev_is_active (w))) |
1300 | return; |
1417 | return; |
1301 | |
1418 | |
1302 | ((WT)w)->at += mn_now; |
1419 | ((WT)w)->at += mn_now; |
1303 | |
1420 | |
1304 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1421 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1305 | |
1422 | |
1306 | ev_start (EV_A_ (W)w, ++timercnt); |
1423 | ev_start (EV_A_ (W)w, ++timercnt); |
1307 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1424 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1308 | timers [timercnt - 1] = w; |
1425 | timers [timercnt - 1] = w; |
1309 | upheap ((WT *)timers, timercnt - 1); |
1426 | upheap ((WT *)timers, timercnt - 1); |
1310 | |
1427 | |
1311 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1428 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1312 | } |
1429 | } |
1313 | |
1430 | |
1314 | void |
1431 | void |
1315 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1432 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1316 | { |
1433 | { |
1317 | ev_clear_pending (EV_A_ (W)w); |
1434 | ev_clear_pending (EV_A_ (W)w); |
1318 | if (!ev_is_active (w)) |
1435 | if (expect_false (!ev_is_active (w))) |
1319 | return; |
1436 | return; |
1320 | |
1437 | |
1321 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1438 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1322 | |
1439 | |
1323 | if (((W)w)->active < timercnt--) |
1440 | if (expect_true (((W)w)->active < timercnt--)) |
1324 | { |
1441 | { |
1325 | timers [((W)w)->active - 1] = timers [timercnt]; |
1442 | timers [((W)w)->active - 1] = timers [timercnt]; |
1326 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1443 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1327 | } |
1444 | } |
1328 | |
1445 | |
1329 | ((WT)w)->at = w->repeat; |
1446 | ((WT)w)->at -= mn_now; |
1330 | |
1447 | |
1331 | ev_stop (EV_A_ (W)w); |
1448 | ev_stop (EV_A_ (W)w); |
1332 | } |
1449 | } |
1333 | |
1450 | |
1334 | void |
1451 | void |
1335 | ev_timer_again (EV_P_ struct ev_timer *w) |
1452 | ev_timer_again (EV_P_ struct ev_timer *w) |
1336 | { |
1453 | { |
1337 | if (ev_is_active (w)) |
1454 | if (ev_is_active (w)) |
1338 | { |
1455 | { |
1339 | if (w->repeat) |
1456 | if (w->repeat) |
|
|
1457 | { |
|
|
1458 | ((WT)w)->at = mn_now + w->repeat; |
1340 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1459 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
|
|
1460 | } |
1341 | else |
1461 | else |
1342 | ev_timer_stop (EV_A_ w); |
1462 | ev_timer_stop (EV_A_ w); |
1343 | } |
1463 | } |
1344 | else if (w->repeat) |
1464 | else if (w->repeat) |
|
|
1465 | { |
|
|
1466 | w->at = w->repeat; |
1345 | ev_timer_start (EV_A_ w); |
1467 | ev_timer_start (EV_A_ w); |
|
|
1468 | } |
1346 | } |
1469 | } |
1347 | |
1470 | |
|
|
1471 | #if EV_PERIODICS |
1348 | void |
1472 | void |
1349 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1473 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1350 | { |
1474 | { |
1351 | if (ev_is_active (w)) |
1475 | if (expect_false (ev_is_active (w))) |
1352 | return; |
1476 | return; |
1353 | |
1477 | |
1354 | if (w->reschedule_cb) |
1478 | if (w->reschedule_cb) |
1355 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1479 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1356 | else if (w->interval) |
1480 | else if (w->interval) |
… | |
… | |
1359 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1483 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1360 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1484 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1361 | } |
1485 | } |
1362 | |
1486 | |
1363 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1487 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1364 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1488 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1365 | periodics [periodiccnt - 1] = w; |
1489 | periodics [periodiccnt - 1] = w; |
1366 | upheap ((WT *)periodics, periodiccnt - 1); |
1490 | upheap ((WT *)periodics, periodiccnt - 1); |
1367 | |
1491 | |
1368 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1492 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1369 | } |
1493 | } |
1370 | |
1494 | |
1371 | void |
1495 | void |
1372 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1496 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1373 | { |
1497 | { |
1374 | ev_clear_pending (EV_A_ (W)w); |
1498 | ev_clear_pending (EV_A_ (W)w); |
1375 | if (!ev_is_active (w)) |
1499 | if (expect_false (!ev_is_active (w))) |
1376 | return; |
1500 | return; |
1377 | |
1501 | |
1378 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1502 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1379 | |
1503 | |
1380 | if (((W)w)->active < periodiccnt--) |
1504 | if (expect_true (((W)w)->active < periodiccnt--)) |
1381 | { |
1505 | { |
1382 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1506 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1383 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1507 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1384 | } |
1508 | } |
1385 | |
1509 | |
1386 | ev_stop (EV_A_ (W)w); |
1510 | ev_stop (EV_A_ (W)w); |
1387 | } |
1511 | } |
1388 | |
1512 | |
… | |
… | |
1391 | { |
1515 | { |
1392 | /* TODO: use adjustheap and recalculation */ |
1516 | /* TODO: use adjustheap and recalculation */ |
1393 | ev_periodic_stop (EV_A_ w); |
1517 | ev_periodic_stop (EV_A_ w); |
1394 | ev_periodic_start (EV_A_ w); |
1518 | ev_periodic_start (EV_A_ w); |
1395 | } |
1519 | } |
|
|
1520 | #endif |
1396 | |
1521 | |
1397 | void |
1522 | void |
1398 | ev_idle_start (EV_P_ struct ev_idle *w) |
1523 | ev_idle_start (EV_P_ struct ev_idle *w) |
1399 | { |
1524 | { |
1400 | if (ev_is_active (w)) |
1525 | if (expect_false (ev_is_active (w))) |
1401 | return; |
1526 | return; |
1402 | |
1527 | |
1403 | ev_start (EV_A_ (W)w, ++idlecnt); |
1528 | ev_start (EV_A_ (W)w, ++idlecnt); |
1404 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1529 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1405 | idles [idlecnt - 1] = w; |
1530 | idles [idlecnt - 1] = w; |
1406 | } |
1531 | } |
1407 | |
1532 | |
1408 | void |
1533 | void |
1409 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1534 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1410 | { |
1535 | { |
1411 | ev_clear_pending (EV_A_ (W)w); |
1536 | ev_clear_pending (EV_A_ (W)w); |
1412 | if (ev_is_active (w)) |
1537 | if (expect_false (!ev_is_active (w))) |
1413 | return; |
1538 | return; |
1414 | |
1539 | |
1415 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1540 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1416 | ev_stop (EV_A_ (W)w); |
1541 | ev_stop (EV_A_ (W)w); |
1417 | } |
1542 | } |
1418 | |
1543 | |
1419 | void |
1544 | void |
1420 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1545 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1421 | { |
1546 | { |
1422 | if (ev_is_active (w)) |
1547 | if (expect_false (ev_is_active (w))) |
1423 | return; |
1548 | return; |
1424 | |
1549 | |
1425 | ev_start (EV_A_ (W)w, ++preparecnt); |
1550 | ev_start (EV_A_ (W)w, ++preparecnt); |
1426 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1551 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1427 | prepares [preparecnt - 1] = w; |
1552 | prepares [preparecnt - 1] = w; |
1428 | } |
1553 | } |
1429 | |
1554 | |
1430 | void |
1555 | void |
1431 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1556 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1432 | { |
1557 | { |
1433 | ev_clear_pending (EV_A_ (W)w); |
1558 | ev_clear_pending (EV_A_ (W)w); |
1434 | if (ev_is_active (w)) |
1559 | if (expect_false (!ev_is_active (w))) |
1435 | return; |
1560 | return; |
1436 | |
1561 | |
1437 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1562 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1438 | ev_stop (EV_A_ (W)w); |
1563 | ev_stop (EV_A_ (W)w); |
1439 | } |
1564 | } |
1440 | |
1565 | |
1441 | void |
1566 | void |
1442 | ev_check_start (EV_P_ struct ev_check *w) |
1567 | ev_check_start (EV_P_ struct ev_check *w) |
1443 | { |
1568 | { |
1444 | if (ev_is_active (w)) |
1569 | if (expect_false (ev_is_active (w))) |
1445 | return; |
1570 | return; |
1446 | |
1571 | |
1447 | ev_start (EV_A_ (W)w, ++checkcnt); |
1572 | ev_start (EV_A_ (W)w, ++checkcnt); |
1448 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1573 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1449 | checks [checkcnt - 1] = w; |
1574 | checks [checkcnt - 1] = w; |
1450 | } |
1575 | } |
1451 | |
1576 | |
1452 | void |
1577 | void |
1453 | ev_check_stop (EV_P_ struct ev_check *w) |
1578 | ev_check_stop (EV_P_ struct ev_check *w) |
1454 | { |
1579 | { |
1455 | ev_clear_pending (EV_A_ (W)w); |
1580 | ev_clear_pending (EV_A_ (W)w); |
1456 | if (ev_is_active (w)) |
1581 | if (expect_false (!ev_is_active (w))) |
1457 | return; |
1582 | return; |
1458 | |
1583 | |
1459 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1584 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1460 | ev_stop (EV_A_ (W)w); |
1585 | ev_stop (EV_A_ (W)w); |
1461 | } |
1586 | } |
… | |
… | |
1466 | |
1591 | |
1467 | void |
1592 | void |
1468 | ev_signal_start (EV_P_ struct ev_signal *w) |
1593 | ev_signal_start (EV_P_ struct ev_signal *w) |
1469 | { |
1594 | { |
1470 | #if EV_MULTIPLICITY |
1595 | #if EV_MULTIPLICITY |
1471 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1596 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1472 | #endif |
1597 | #endif |
1473 | if (ev_is_active (w)) |
1598 | if (expect_false (ev_is_active (w))) |
1474 | return; |
1599 | return; |
1475 | |
1600 | |
1476 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1601 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1477 | |
1602 | |
1478 | ev_start (EV_A_ (W)w, 1); |
1603 | ev_start (EV_A_ (W)w, 1); |
1479 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1604 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1480 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1605 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1481 | |
1606 | |
1482 | if (!((WL)w)->next) |
1607 | if (!((WL)w)->next) |
1483 | { |
1608 | { |
1484 | #if WIN32 |
1609 | #if _WIN32 |
1485 | signal (w->signum, sighandler); |
1610 | signal (w->signum, sighandler); |
1486 | #else |
1611 | #else |
1487 | struct sigaction sa; |
1612 | struct sigaction sa; |
1488 | sa.sa_handler = sighandler; |
1613 | sa.sa_handler = sighandler; |
1489 | sigfillset (&sa.sa_mask); |
1614 | sigfillset (&sa.sa_mask); |
… | |
… | |
1495 | |
1620 | |
1496 | void |
1621 | void |
1497 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1622 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1498 | { |
1623 | { |
1499 | ev_clear_pending (EV_A_ (W)w); |
1624 | ev_clear_pending (EV_A_ (W)w); |
1500 | if (!ev_is_active (w)) |
1625 | if (expect_false (!ev_is_active (w))) |
1501 | return; |
1626 | return; |
1502 | |
1627 | |
1503 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1628 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1504 | ev_stop (EV_A_ (W)w); |
1629 | ev_stop (EV_A_ (W)w); |
1505 | |
1630 | |
… | |
… | |
1509 | |
1634 | |
1510 | void |
1635 | void |
1511 | ev_child_start (EV_P_ struct ev_child *w) |
1636 | ev_child_start (EV_P_ struct ev_child *w) |
1512 | { |
1637 | { |
1513 | #if EV_MULTIPLICITY |
1638 | #if EV_MULTIPLICITY |
1514 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1639 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1515 | #endif |
1640 | #endif |
1516 | if (ev_is_active (w)) |
1641 | if (expect_false (ev_is_active (w))) |
1517 | return; |
1642 | return; |
1518 | |
1643 | |
1519 | ev_start (EV_A_ (W)w, 1); |
1644 | ev_start (EV_A_ (W)w, 1); |
1520 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1645 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1521 | } |
1646 | } |
1522 | |
1647 | |
1523 | void |
1648 | void |
1524 | ev_child_stop (EV_P_ struct ev_child *w) |
1649 | ev_child_stop (EV_P_ struct ev_child *w) |
1525 | { |
1650 | { |
1526 | ev_clear_pending (EV_A_ (W)w); |
1651 | ev_clear_pending (EV_A_ (W)w); |
1527 | if (ev_is_active (w)) |
1652 | if (expect_false (!ev_is_active (w))) |
1528 | return; |
1653 | return; |
1529 | |
1654 | |
1530 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1655 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1531 | ev_stop (EV_A_ (W)w); |
1656 | ev_stop (EV_A_ (W)w); |
1532 | } |
1657 | } |
… | |
… | |
1569 | void |
1694 | void |
1570 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1695 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1571 | { |
1696 | { |
1572 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1697 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1573 | |
1698 | |
1574 | if (!once) |
1699 | if (expect_false (!once)) |
|
|
1700 | { |
1575 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1701 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1576 | else |
1702 | return; |
1577 | { |
1703 | } |
|
|
1704 | |
1578 | once->cb = cb; |
1705 | once->cb = cb; |
1579 | once->arg = arg; |
1706 | once->arg = arg; |
1580 | |
1707 | |
1581 | ev_init (&once->io, once_cb_io); |
1708 | ev_init (&once->io, once_cb_io); |
1582 | if (fd >= 0) |
1709 | if (fd >= 0) |
1583 | { |
1710 | { |
1584 | ev_io_set (&once->io, fd, events); |
1711 | ev_io_set (&once->io, fd, events); |
1585 | ev_io_start (EV_A_ &once->io); |
1712 | ev_io_start (EV_A_ &once->io); |
1586 | } |
1713 | } |
1587 | |
1714 | |
1588 | ev_init (&once->to, once_cb_to); |
1715 | ev_init (&once->to, once_cb_to); |
1589 | if (timeout >= 0.) |
1716 | if (timeout >= 0.) |
1590 | { |
1717 | { |
1591 | ev_timer_set (&once->to, timeout, 0.); |
1718 | ev_timer_set (&once->to, timeout, 0.); |
1592 | ev_timer_start (EV_A_ &once->to); |
1719 | ev_timer_start (EV_A_ &once->to); |
1593 | } |
|
|
1594 | } |
1720 | } |
1595 | } |
1721 | } |
1596 | |
1722 | |
|
|
1723 | #ifdef __cplusplus |
|
|
1724 | } |
|
|
1725 | #endif |
|
|
1726 | |