… | |
… | |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
|
|
31 | |
|
|
32 | #ifdef __cplusplus |
|
|
33 | extern "C" { |
|
|
34 | #endif |
|
|
35 | |
31 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
37 | # include "config.h" |
33 | |
38 | |
34 | # if HAVE_CLOCK_GETTIME |
39 | # if HAVE_CLOCK_GETTIME |
|
|
40 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
|
|
42 | # endif |
|
|
43 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
|
|
45 | # endif |
37 | # endif |
46 | # endif |
38 | |
47 | |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
40 | # define EV_USE_SELECT 1 |
49 | # define EV_USE_SELECT 1 |
41 | # endif |
50 | # endif |
42 | |
51 | |
43 | # if HAVE_POLL && HAVE_POLL_H |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
44 | # define EV_USE_POLL 1 |
53 | # define EV_USE_POLL 1 |
45 | # endif |
54 | # endif |
46 | |
55 | |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
48 | # define EV_USE_EPOLL 1 |
57 | # define EV_USE_EPOLL 1 |
49 | # endif |
58 | # endif |
50 | |
59 | |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
52 | # define EV_USE_KQUEUE 1 |
61 | # define EV_USE_KQUEUE 1 |
53 | # endif |
62 | # endif |
54 | |
63 | |
55 | #endif |
64 | #endif |
56 | |
65 | |
… | |
… | |
66 | #include <sys/types.h> |
75 | #include <sys/types.h> |
67 | #include <time.h> |
76 | #include <time.h> |
68 | |
77 | |
69 | #include <signal.h> |
78 | #include <signal.h> |
70 | |
79 | |
71 | #ifndef WIN32 |
80 | #ifndef _WIN32 |
72 | # include <unistd.h> |
81 | # include <unistd.h> |
73 | # include <sys/time.h> |
82 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
83 | # include <sys/wait.h> |
|
|
84 | #else |
|
|
85 | # define WIN32_LEAN_AND_MEAN |
|
|
86 | # include <windows.h> |
|
|
87 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
88 | # define EV_SELECT_IS_WINSOCKET 1 |
75 | #endif |
89 | # endif |
|
|
90 | #endif |
|
|
91 | |
76 | /**/ |
92 | /**/ |
77 | |
93 | |
78 | #ifndef EV_USE_MONOTONIC |
94 | #ifndef EV_USE_MONOTONIC |
79 | # define EV_USE_MONOTONIC 1 |
95 | # define EV_USE_MONOTONIC 1 |
80 | #endif |
96 | #endif |
81 | |
97 | |
82 | #ifndef EV_USE_SELECT |
98 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
99 | # define EV_USE_SELECT 1 |
|
|
100 | # define EV_SELECT_USE_FD_SET 1 |
84 | #endif |
101 | #endif |
85 | |
102 | |
86 | #ifndef EV_USE_POLL |
103 | #ifndef EV_USE_POLL |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
104 | # ifdef _WIN32 |
|
|
105 | # define EV_USE_POLL 0 |
|
|
106 | # else |
|
|
107 | # define EV_USE_POLL 1 |
|
|
108 | # endif |
88 | #endif |
109 | #endif |
89 | |
110 | |
90 | #ifndef EV_USE_EPOLL |
111 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
112 | # define EV_USE_EPOLL 0 |
92 | #endif |
113 | #endif |
93 | |
114 | |
94 | #ifndef EV_USE_KQUEUE |
115 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
116 | # define EV_USE_KQUEUE 0 |
96 | #endif |
117 | #endif |
97 | |
118 | |
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 |
119 | #ifndef EV_USE_REALTIME |
109 | # define EV_USE_REALTIME 1 |
120 | # define EV_USE_REALTIME 1 |
110 | #endif |
121 | #endif |
111 | |
122 | |
112 | /**/ |
123 | /**/ |
|
|
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
113 | |
130 | |
114 | #ifndef CLOCK_MONOTONIC |
131 | #ifndef CLOCK_MONOTONIC |
115 | # undef EV_USE_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
116 | # define EV_USE_MONOTONIC 0 |
133 | # define EV_USE_MONOTONIC 0 |
117 | #endif |
134 | #endif |
118 | |
135 | |
119 | #ifndef CLOCK_REALTIME |
136 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
137 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
138 | # define EV_USE_REALTIME 0 |
|
|
139 | #endif |
|
|
140 | |
|
|
141 | #if EV_SELECT_IS_WINSOCKET |
|
|
142 | # include <winsock.h> |
122 | #endif |
143 | #endif |
123 | |
144 | |
124 | /**/ |
145 | /**/ |
125 | |
146 | |
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
147 | #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) */ |
148 | #define MAX_BLOCKTIME 59.731 /* 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 */ |
149 | #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 */ |
150 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
130 | |
151 | |
|
|
152 | #ifdef EV_H |
|
|
153 | # include EV_H |
|
|
154 | #else |
131 | #include "ev.h" |
155 | # include "ev.h" |
|
|
156 | #endif |
132 | |
157 | |
133 | #if __GNUC__ >= 3 |
158 | #if __GNUC__ >= 3 |
134 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
135 | # define inline inline |
160 | # define inline inline |
136 | #else |
161 | #else |
… | |
… | |
142 | #define expect_true(expr) expect ((expr) != 0, 1) |
167 | #define expect_true(expr) expect ((expr) != 0, 1) |
143 | |
168 | |
144 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
169 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
145 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
146 | |
171 | |
|
|
172 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
173 | |
147 | typedef struct ev_watcher *W; |
174 | typedef struct ev_watcher *W; |
148 | typedef struct ev_watcher_list *WL; |
175 | typedef struct ev_watcher_list *WL; |
149 | typedef struct ev_watcher_time *WT; |
176 | typedef struct ev_watcher_time *WT; |
150 | |
177 | |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
178 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
152 | |
179 | |
|
|
180 | #ifdef _WIN32 |
153 | #include "ev_win32.c" |
181 | # include "ev_win32.c" |
|
|
182 | #endif |
154 | |
183 | |
155 | /*****************************************************************************/ |
184 | /*****************************************************************************/ |
156 | |
185 | |
157 | static void (*syserr_cb)(const char *msg); |
186 | static void (*syserr_cb)(const char *msg); |
158 | |
187 | |
… | |
… | |
205 | typedef struct |
234 | typedef struct |
206 | { |
235 | { |
207 | WL head; |
236 | WL head; |
208 | unsigned char events; |
237 | unsigned char events; |
209 | unsigned char reify; |
238 | unsigned char reify; |
|
|
239 | #if EV_SELECT_IS_WINSOCKET |
|
|
240 | SOCKET handle; |
|
|
241 | #endif |
210 | } ANFD; |
242 | } ANFD; |
211 | |
243 | |
212 | typedef struct |
244 | typedef struct |
213 | { |
245 | { |
214 | W w; |
246 | W w; |
215 | int events; |
247 | int events; |
216 | } ANPENDING; |
248 | } ANPENDING; |
217 | |
249 | |
218 | #if EV_MULTIPLICITY |
250 | #if EV_MULTIPLICITY |
219 | |
251 | |
220 | struct ev_loop |
252 | struct ev_loop |
221 | { |
253 | { |
|
|
254 | ev_tstamp ev_rt_now; |
|
|
255 | #define ev_rt_now ((loop)->ev_rt_now) |
222 | # define VAR(name,decl) decl; |
256 | #define VAR(name,decl) decl; |
223 | # include "ev_vars.h" |
257 | #include "ev_vars.h" |
224 | }; |
|
|
225 | # undef VAR |
258 | #undef VAR |
|
|
259 | }; |
226 | # include "ev_wrap.h" |
260 | #include "ev_wrap.h" |
|
|
261 | |
|
|
262 | struct ev_loop default_loop_struct; |
|
|
263 | static struct ev_loop *default_loop; |
227 | |
264 | |
228 | #else |
265 | #else |
229 | |
266 | |
|
|
267 | ev_tstamp ev_rt_now; |
230 | # define VAR(name,decl) static decl; |
268 | #define VAR(name,decl) static decl; |
231 | # include "ev_vars.h" |
269 | #include "ev_vars.h" |
232 | # undef VAR |
270 | #undef VAR |
|
|
271 | |
|
|
272 | static int default_loop; |
233 | |
273 | |
234 | #endif |
274 | #endif |
235 | |
275 | |
236 | /*****************************************************************************/ |
276 | /*****************************************************************************/ |
237 | |
277 | |
238 | inline ev_tstamp |
278 | ev_tstamp |
239 | ev_time (void) |
279 | ev_time (void) |
240 | { |
280 | { |
241 | #if EV_USE_REALTIME |
281 | #if EV_USE_REALTIME |
242 | struct timespec ts; |
282 | struct timespec ts; |
243 | clock_gettime (CLOCK_REALTIME, &ts); |
283 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
262 | #endif |
302 | #endif |
263 | |
303 | |
264 | return ev_time (); |
304 | return ev_time (); |
265 | } |
305 | } |
266 | |
306 | |
|
|
307 | #if EV_MULTIPLICITY |
267 | ev_tstamp |
308 | ev_tstamp |
268 | ev_now (EV_P) |
309 | ev_now (EV_P) |
269 | { |
310 | { |
270 | return rt_now; |
311 | return ev_rt_now; |
271 | } |
312 | } |
|
|
313 | #endif |
272 | |
314 | |
273 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
315 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
274 | |
316 | |
275 | #define array_needsize(base,cur,cnt,init) \ |
317 | #define array_needsize(type,base,cur,cnt,init) \ |
276 | if (expect_false ((cnt) > cur)) \ |
318 | if (expect_false ((cnt) > cur)) \ |
277 | { \ |
319 | { \ |
278 | int newcnt = cur; \ |
320 | int newcnt = cur; \ |
279 | do \ |
321 | do \ |
280 | { \ |
322 | { \ |
281 | newcnt = array_roundsize (base, newcnt << 1); \ |
323 | newcnt = array_roundsize (type, newcnt << 1); \ |
282 | } \ |
324 | } \ |
283 | while ((cnt) > newcnt); \ |
325 | while ((cnt) > newcnt); \ |
284 | \ |
326 | \ |
285 | base = ev_realloc (base, sizeof (*base) * (newcnt)); \ |
327 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
286 | init (base + cur, newcnt - cur); \ |
328 | init (base + cur, newcnt - cur); \ |
287 | cur = newcnt; \ |
329 | cur = newcnt; \ |
288 | } |
330 | } |
289 | |
331 | |
290 | #define array_slim(stem) \ |
332 | #define array_slim(type,stem) \ |
291 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
333 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
292 | { \ |
334 | { \ |
293 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
335 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
294 | base = ev_realloc (base, sizeof (*base) * (stem ## max)); \ |
336 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
295 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
337 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
296 | } |
338 | } |
297 | |
|
|
298 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
299 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
300 | #define array_free_microshit(stem) \ |
|
|
301 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
302 | |
339 | |
303 | #define array_free(stem, idx) \ |
340 | #define array_free(stem, idx) \ |
304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
341 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
305 | |
342 | |
306 | /*****************************************************************************/ |
343 | /*****************************************************************************/ |
… | |
… | |
316 | |
353 | |
317 | ++base; |
354 | ++base; |
318 | } |
355 | } |
319 | } |
356 | } |
320 | |
357 | |
321 | static void |
358 | void |
322 | event (EV_P_ W w, int events) |
359 | ev_feed_event (EV_P_ void *w, int revents) |
323 | { |
360 | { |
|
|
361 | W w_ = (W)w; |
|
|
362 | |
324 | if (w->pending) |
363 | if (w_->pending) |
325 | { |
364 | { |
326 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
365 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
327 | return; |
366 | return; |
328 | } |
367 | } |
329 | |
368 | |
330 | w->pending = ++pendingcnt [ABSPRI (w)]; |
369 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
331 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
370 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
332 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
371 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
333 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
372 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
334 | } |
373 | } |
335 | |
374 | |
336 | static void |
375 | static void |
337 | queue_events (EV_P_ W *events, int eventcnt, int type) |
376 | queue_events (EV_P_ W *events, int eventcnt, int type) |
338 | { |
377 | { |
339 | int i; |
378 | int i; |
340 | |
379 | |
341 | for (i = 0; i < eventcnt; ++i) |
380 | for (i = 0; i < eventcnt; ++i) |
342 | event (EV_A_ events [i], type); |
381 | ev_feed_event (EV_A_ events [i], type); |
343 | } |
382 | } |
344 | |
383 | |
345 | static void |
384 | inline void |
346 | fd_event (EV_P_ int fd, int events) |
385 | fd_event (EV_P_ int fd, int revents) |
347 | { |
386 | { |
348 | ANFD *anfd = anfds + fd; |
387 | ANFD *anfd = anfds + fd; |
349 | struct ev_io *w; |
388 | struct ev_io *w; |
350 | |
389 | |
351 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
390 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
352 | { |
391 | { |
353 | int ev = w->events & events; |
392 | int ev = w->events & revents; |
354 | |
393 | |
355 | if (ev) |
394 | if (ev) |
356 | event (EV_A_ (W)w, ev); |
395 | ev_feed_event (EV_A_ (W)w, ev); |
357 | } |
396 | } |
|
|
397 | } |
|
|
398 | |
|
|
399 | void |
|
|
400 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
401 | { |
|
|
402 | fd_event (EV_A_ fd, revents); |
358 | } |
403 | } |
359 | |
404 | |
360 | /*****************************************************************************/ |
405 | /*****************************************************************************/ |
361 | |
406 | |
362 | static void |
407 | static void |
… | |
… | |
373 | int events = 0; |
418 | int events = 0; |
374 | |
419 | |
375 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
420 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
376 | events |= w->events; |
421 | events |= w->events; |
377 | |
422 | |
|
|
423 | #if EV_SELECT_IS_WINSOCKET |
|
|
424 | if (events) |
|
|
425 | { |
|
|
426 | unsigned long argp; |
|
|
427 | anfd->handle = _get_osfhandle (fd); |
|
|
428 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
429 | } |
|
|
430 | #endif |
|
|
431 | |
378 | anfd->reify = 0; |
432 | anfd->reify = 0; |
379 | |
433 | |
380 | method_modify (EV_A_ fd, anfd->events, events); |
434 | method_modify (EV_A_ fd, anfd->events, events); |
381 | anfd->events = events; |
435 | anfd->events = events; |
382 | } |
436 | } |
… | |
… | |
391 | return; |
445 | return; |
392 | |
446 | |
393 | anfds [fd].reify = 1; |
447 | anfds [fd].reify = 1; |
394 | |
448 | |
395 | ++fdchangecnt; |
449 | ++fdchangecnt; |
396 | array_needsize (fdchanges, fdchangemax, fdchangecnt, (void)); |
450 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
397 | fdchanges [fdchangecnt - 1] = fd; |
451 | fdchanges [fdchangecnt - 1] = fd; |
398 | } |
452 | } |
399 | |
453 | |
400 | static void |
454 | static void |
401 | fd_kill (EV_P_ int fd) |
455 | fd_kill (EV_P_ int fd) |
… | |
… | |
403 | struct ev_io *w; |
457 | struct ev_io *w; |
404 | |
458 | |
405 | while ((w = (struct ev_io *)anfds [fd].head)) |
459 | while ((w = (struct ev_io *)anfds [fd].head)) |
406 | { |
460 | { |
407 | ev_io_stop (EV_A_ w); |
461 | ev_io_stop (EV_A_ w); |
408 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
462 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
409 | } |
463 | } |
410 | } |
464 | } |
411 | |
465 | |
412 | static int |
466 | static int |
413 | fd_valid (int fd) |
467 | fd_valid (int fd) |
414 | { |
468 | { |
415 | #ifdef WIN32 |
469 | #ifdef _WIN32 |
416 | return !!win32_get_osfhandle (fd); |
470 | return _get_osfhandle (fd) != -1; |
417 | #else |
471 | #else |
418 | return fcntl (fd, F_GETFD) != -1; |
472 | return fcntl (fd, F_GETFD) != -1; |
419 | #endif |
473 | #endif |
420 | } |
474 | } |
421 | |
475 | |
… | |
… | |
501 | |
555 | |
502 | heap [k] = w; |
556 | heap [k] = w; |
503 | ((W)heap [k])->active = k + 1; |
557 | ((W)heap [k])->active = k + 1; |
504 | } |
558 | } |
505 | |
559 | |
|
|
560 | inline void |
|
|
561 | adjustheap (WT *heap, int N, int k) |
|
|
562 | { |
|
|
563 | upheap (heap, k); |
|
|
564 | downheap (heap, N, k); |
|
|
565 | } |
|
|
566 | |
506 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
507 | |
568 | |
508 | typedef struct |
569 | typedef struct |
509 | { |
570 | { |
510 | WL head; |
571 | WL head; |
… | |
… | |
531 | } |
592 | } |
532 | |
593 | |
533 | static void |
594 | static void |
534 | sighandler (int signum) |
595 | sighandler (int signum) |
535 | { |
596 | { |
536 | #if WIN32 |
597 | #if _WIN32 |
537 | signal (signum, sighandler); |
598 | signal (signum, sighandler); |
538 | #endif |
599 | #endif |
539 | |
600 | |
540 | signals [signum - 1].gotsig = 1; |
601 | signals [signum - 1].gotsig = 1; |
541 | |
602 | |
… | |
… | |
546 | write (sigpipe [1], &signum, 1); |
607 | write (sigpipe [1], &signum, 1); |
547 | errno = old_errno; |
608 | errno = old_errno; |
548 | } |
609 | } |
549 | } |
610 | } |
550 | |
611 | |
|
|
612 | void |
|
|
613 | ev_feed_signal_event (EV_P_ int signum) |
|
|
614 | { |
|
|
615 | WL w; |
|
|
616 | |
|
|
617 | #if EV_MULTIPLICITY |
|
|
618 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
|
|
619 | #endif |
|
|
620 | |
|
|
621 | --signum; |
|
|
622 | |
|
|
623 | if (signum < 0 || signum >= signalmax) |
|
|
624 | return; |
|
|
625 | |
|
|
626 | signals [signum].gotsig = 0; |
|
|
627 | |
|
|
628 | for (w = signals [signum].head; w; w = w->next) |
|
|
629 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
630 | } |
|
|
631 | |
551 | static void |
632 | static void |
552 | sigcb (EV_P_ struct ev_io *iow, int revents) |
633 | sigcb (EV_P_ struct ev_io *iow, int revents) |
553 | { |
634 | { |
554 | WL w; |
|
|
555 | int signum; |
635 | int signum; |
556 | |
636 | |
557 | read (sigpipe [0], &revents, 1); |
637 | read (sigpipe [0], &revents, 1); |
558 | gotsig = 0; |
638 | gotsig = 0; |
559 | |
639 | |
560 | for (signum = signalmax; signum--; ) |
640 | for (signum = signalmax; signum--; ) |
561 | if (signals [signum].gotsig) |
641 | if (signals [signum].gotsig) |
562 | { |
642 | ev_feed_signal_event (EV_A_ signum + 1); |
563 | signals [signum].gotsig = 0; |
643 | } |
564 | |
644 | |
565 | for (w = signals [signum].head; w; w = w->next) |
645 | inline void |
566 | event (EV_A_ (W)w, EV_SIGNAL); |
646 | fd_intern (int fd) |
567 | } |
647 | { |
|
|
648 | #ifdef _WIN32 |
|
|
649 | int arg = 1; |
|
|
650 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
651 | #else |
|
|
652 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
653 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
654 | #endif |
568 | } |
655 | } |
569 | |
656 | |
570 | static void |
657 | static void |
571 | siginit (EV_P) |
658 | siginit (EV_P) |
572 | { |
659 | { |
573 | #ifndef WIN32 |
660 | fd_intern (sigpipe [0]); |
574 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
661 | fd_intern (sigpipe [1]); |
575 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
576 | |
|
|
577 | /* rather than sort out wether we really need nb, set it */ |
|
|
578 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
579 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
580 | #endif |
|
|
581 | |
662 | |
582 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
663 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
583 | ev_io_start (EV_A_ &sigev); |
664 | ev_io_start (EV_A_ &sigev); |
584 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
665 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
585 | } |
666 | } |
586 | |
667 | |
587 | /*****************************************************************************/ |
668 | /*****************************************************************************/ |
588 | |
669 | |
589 | static struct ev_child *childs [PID_HASHSIZE]; |
670 | static struct ev_child *childs [PID_HASHSIZE]; |
590 | |
671 | |
591 | #ifndef WIN32 |
672 | #ifndef _WIN32 |
592 | |
673 | |
593 | static struct ev_signal childev; |
674 | static struct ev_signal childev; |
594 | |
675 | |
595 | #ifndef WCONTINUED |
676 | #ifndef WCONTINUED |
596 | # define WCONTINUED 0 |
677 | # define WCONTINUED 0 |
… | |
… | |
605 | if (w->pid == pid || !w->pid) |
686 | if (w->pid == pid || !w->pid) |
606 | { |
687 | { |
607 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
688 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
608 | w->rpid = pid; |
689 | w->rpid = pid; |
609 | w->rstatus = status; |
690 | w->rstatus = status; |
610 | event (EV_A_ (W)w, EV_CHILD); |
691 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
611 | } |
692 | } |
612 | } |
693 | } |
613 | |
694 | |
614 | static void |
695 | static void |
615 | childcb (EV_P_ struct ev_signal *sw, int revents) |
696 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
617 | int pid, status; |
698 | int pid, status; |
618 | |
699 | |
619 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
700 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
620 | { |
701 | { |
621 | /* make sure we are called again until all childs have been reaped */ |
702 | /* make sure we are called again until all childs have been reaped */ |
622 | event (EV_A_ (W)sw, EV_SIGNAL); |
703 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
623 | |
704 | |
624 | child_reap (EV_A_ sw, pid, pid, status); |
705 | child_reap (EV_A_ sw, pid, pid, status); |
625 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
706 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
626 | } |
707 | } |
627 | } |
708 | } |
… | |
… | |
657 | |
738 | |
658 | /* return true if we are running with elevated privileges and should ignore env variables */ |
739 | /* return true if we are running with elevated privileges and should ignore env variables */ |
659 | static int |
740 | static int |
660 | enable_secure (void) |
741 | enable_secure (void) |
661 | { |
742 | { |
662 | #ifdef WIN32 |
743 | #ifdef _WIN32 |
663 | return 0; |
744 | return 0; |
664 | #else |
745 | #else |
665 | return getuid () != geteuid () |
746 | return getuid () != geteuid () |
666 | || getgid () != getegid (); |
747 | || getgid () != getegid (); |
667 | #endif |
748 | #endif |
668 | } |
749 | } |
669 | |
750 | |
670 | int |
751 | unsigned int |
671 | ev_method (EV_P) |
752 | ev_method (EV_P) |
672 | { |
753 | { |
673 | return method; |
754 | return method; |
674 | } |
755 | } |
675 | |
756 | |
676 | static void |
757 | static void |
677 | loop_init (EV_P_ int methods) |
758 | loop_init (EV_P_ unsigned int flags) |
678 | { |
759 | { |
679 | if (!method) |
760 | if (!method) |
680 | { |
761 | { |
681 | #if EV_USE_MONOTONIC |
762 | #if EV_USE_MONOTONIC |
682 | { |
763 | { |
… | |
… | |
684 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
765 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
685 | have_monotonic = 1; |
766 | have_monotonic = 1; |
686 | } |
767 | } |
687 | #endif |
768 | #endif |
688 | |
769 | |
689 | rt_now = ev_time (); |
770 | ev_rt_now = ev_time (); |
690 | mn_now = get_clock (); |
771 | mn_now = get_clock (); |
691 | now_floor = mn_now; |
772 | now_floor = mn_now; |
692 | rtmn_diff = rt_now - mn_now; |
773 | rtmn_diff = ev_rt_now - mn_now; |
693 | |
774 | |
694 | if (methods == EVMETHOD_AUTO) |
775 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
695 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
696 | methods = atoi (getenv ("LIBEV_METHODS")); |
776 | flags = atoi (getenv ("LIBEV_FLAGS")); |
697 | else |
777 | |
698 | methods = EVMETHOD_ANY; |
778 | if (!(flags & 0x0000ffff)) |
|
|
779 | flags |= 0x0000ffff; |
699 | |
780 | |
700 | method = 0; |
781 | method = 0; |
701 | #if EV_USE_WIN32 |
|
|
702 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
703 | #endif |
|
|
704 | #if EV_USE_KQUEUE |
782 | #if EV_USE_KQUEUE |
705 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
783 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
706 | #endif |
784 | #endif |
707 | #if EV_USE_EPOLL |
785 | #if EV_USE_EPOLL |
708 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
786 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
709 | #endif |
787 | #endif |
710 | #if EV_USE_POLL |
788 | #if EV_USE_POLL |
711 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
789 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
712 | #endif |
790 | #endif |
713 | #if EV_USE_SELECT |
791 | #if EV_USE_SELECT |
714 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
792 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
715 | #endif |
793 | #endif |
716 | |
794 | |
717 | ev_watcher_init (&sigev, sigcb); |
795 | ev_init (&sigev, sigcb); |
718 | ev_set_priority (&sigev, EV_MAXPRI); |
796 | ev_set_priority (&sigev, EV_MAXPRI); |
719 | } |
797 | } |
720 | } |
798 | } |
721 | |
799 | |
722 | void |
800 | void |
723 | loop_destroy (EV_P) |
801 | loop_destroy (EV_P) |
724 | { |
802 | { |
725 | int i; |
803 | int i; |
726 | |
804 | |
727 | #if EV_USE_WIN32 |
|
|
728 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
|
|
729 | #endif |
|
|
730 | #if EV_USE_KQUEUE |
805 | #if EV_USE_KQUEUE |
731 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
806 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
732 | #endif |
807 | #endif |
733 | #if EV_USE_EPOLL |
808 | #if EV_USE_EPOLL |
734 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
809 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
… | |
… | |
742 | |
817 | |
743 | for (i = NUMPRI; i--; ) |
818 | for (i = NUMPRI; i--; ) |
744 | array_free (pending, [i]); |
819 | array_free (pending, [i]); |
745 | |
820 | |
746 | /* have to use the microsoft-never-gets-it-right macro */ |
821 | /* have to use the microsoft-never-gets-it-right macro */ |
747 | array_free_microshit (fdchange); |
822 | array_free (fdchange, EMPTY); |
748 | array_free_microshit (timer); |
823 | array_free (timer, EMPTY); |
749 | array_free_microshit (periodic); |
824 | #if EV_PERIODICS |
750 | array_free_microshit (idle); |
825 | array_free (periodic, EMPTY); |
751 | array_free_microshit (prepare); |
826 | #endif |
752 | array_free_microshit (check); |
827 | array_free (idle, EMPTY); |
|
|
828 | array_free (prepare, EMPTY); |
|
|
829 | array_free (check, EMPTY); |
753 | |
830 | |
754 | method = 0; |
831 | method = 0; |
755 | } |
832 | } |
756 | |
833 | |
757 | static void |
834 | static void |
… | |
… | |
782 | postfork = 0; |
859 | postfork = 0; |
783 | } |
860 | } |
784 | |
861 | |
785 | #if EV_MULTIPLICITY |
862 | #if EV_MULTIPLICITY |
786 | struct ev_loop * |
863 | struct ev_loop * |
787 | ev_loop_new (int methods) |
864 | ev_loop_new (unsigned int flags) |
788 | { |
865 | { |
789 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
866 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
790 | |
867 | |
791 | memset (loop, 0, sizeof (struct ev_loop)); |
868 | memset (loop, 0, sizeof (struct ev_loop)); |
792 | |
869 | |
793 | loop_init (EV_A_ methods); |
870 | loop_init (EV_A_ flags); |
794 | |
871 | |
795 | if (ev_method (EV_A)) |
872 | if (ev_method (EV_A)) |
796 | return loop; |
873 | return loop; |
797 | |
874 | |
798 | return 0; |
875 | return 0; |
… | |
… | |
812 | } |
889 | } |
813 | |
890 | |
814 | #endif |
891 | #endif |
815 | |
892 | |
816 | #if EV_MULTIPLICITY |
893 | #if EV_MULTIPLICITY |
817 | struct ev_loop default_loop_struct; |
|
|
818 | static struct ev_loop *default_loop; |
|
|
819 | |
|
|
820 | struct ev_loop * |
894 | struct ev_loop * |
821 | #else |
895 | #else |
822 | static int default_loop; |
|
|
823 | |
|
|
824 | int |
896 | int |
825 | #endif |
897 | #endif |
826 | ev_default_loop (int methods) |
898 | ev_default_loop (unsigned int flags) |
827 | { |
899 | { |
828 | if (sigpipe [0] == sigpipe [1]) |
900 | if (sigpipe [0] == sigpipe [1]) |
829 | if (pipe (sigpipe)) |
901 | if (pipe (sigpipe)) |
830 | return 0; |
902 | return 0; |
831 | |
903 | |
… | |
… | |
835 | struct ev_loop *loop = default_loop = &default_loop_struct; |
907 | struct ev_loop *loop = default_loop = &default_loop_struct; |
836 | #else |
908 | #else |
837 | default_loop = 1; |
909 | default_loop = 1; |
838 | #endif |
910 | #endif |
839 | |
911 | |
840 | loop_init (EV_A_ methods); |
912 | loop_init (EV_A_ flags); |
841 | |
913 | |
842 | if (ev_method (EV_A)) |
914 | if (ev_method (EV_A)) |
843 | { |
915 | { |
844 | siginit (EV_A); |
916 | siginit (EV_A); |
845 | |
917 | |
846 | #ifndef WIN32 |
918 | #ifndef _WIN32 |
847 | ev_signal_init (&childev, childcb, SIGCHLD); |
919 | ev_signal_init (&childev, childcb, SIGCHLD); |
848 | ev_set_priority (&childev, EV_MAXPRI); |
920 | ev_set_priority (&childev, EV_MAXPRI); |
849 | ev_signal_start (EV_A_ &childev); |
921 | ev_signal_start (EV_A_ &childev); |
850 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
922 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
851 | #endif |
923 | #endif |
… | |
… | |
862 | { |
934 | { |
863 | #if EV_MULTIPLICITY |
935 | #if EV_MULTIPLICITY |
864 | struct ev_loop *loop = default_loop; |
936 | struct ev_loop *loop = default_loop; |
865 | #endif |
937 | #endif |
866 | |
938 | |
867 | #ifndef WIN32 |
939 | #ifndef _WIN32 |
868 | ev_ref (EV_A); /* child watcher */ |
940 | ev_ref (EV_A); /* child watcher */ |
869 | ev_signal_stop (EV_A_ &childev); |
941 | ev_signal_stop (EV_A_ &childev); |
870 | #endif |
942 | #endif |
871 | |
943 | |
872 | ev_ref (EV_A); /* signal watcher */ |
944 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
888 | if (method) |
960 | if (method) |
889 | postfork = 1; |
961 | postfork = 1; |
890 | } |
962 | } |
891 | |
963 | |
892 | /*****************************************************************************/ |
964 | /*****************************************************************************/ |
|
|
965 | |
|
|
966 | static int |
|
|
967 | any_pending (EV_P) |
|
|
968 | { |
|
|
969 | int pri; |
|
|
970 | |
|
|
971 | for (pri = NUMPRI; pri--; ) |
|
|
972 | if (pendingcnt [pri]) |
|
|
973 | return 1; |
|
|
974 | |
|
|
975 | return 0; |
|
|
976 | } |
893 | |
977 | |
894 | static void |
978 | static void |
895 | call_pending (EV_P) |
979 | call_pending (EV_P) |
896 | { |
980 | { |
897 | int pri; |
981 | int pri; |
… | |
… | |
902 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
986 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
903 | |
987 | |
904 | if (p->w) |
988 | if (p->w) |
905 | { |
989 | { |
906 | p->w->pending = 0; |
990 | p->w->pending = 0; |
907 | p->w->cb (EV_A_ p->w, p->events); |
991 | EV_CB_INVOKE (p->w, p->events); |
908 | } |
992 | } |
909 | } |
993 | } |
910 | } |
994 | } |
911 | |
995 | |
912 | static void |
996 | static void |
… | |
… | |
920 | |
1004 | |
921 | /* first reschedule or stop timer */ |
1005 | /* first reschedule or stop timer */ |
922 | if (w->repeat) |
1006 | if (w->repeat) |
923 | { |
1007 | { |
924 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1008 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1009 | |
925 | ((WT)w)->at = mn_now + w->repeat; |
1010 | ((WT)w)->at += w->repeat; |
|
|
1011 | if (((WT)w)->at < mn_now) |
|
|
1012 | ((WT)w)->at = mn_now; |
|
|
1013 | |
926 | downheap ((WT *)timers, timercnt, 0); |
1014 | downheap ((WT *)timers, timercnt, 0); |
927 | } |
1015 | } |
928 | else |
1016 | else |
929 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1017 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
930 | |
1018 | |
931 | event (EV_A_ (W)w, EV_TIMEOUT); |
1019 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
932 | } |
1020 | } |
933 | } |
1021 | } |
934 | |
1022 | |
|
|
1023 | #if EV_PERIODICS |
935 | static void |
1024 | static void |
936 | periodics_reify (EV_P) |
1025 | periodics_reify (EV_P) |
937 | { |
1026 | { |
938 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1027 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
939 | { |
1028 | { |
940 | struct ev_periodic *w = periodics [0]; |
1029 | struct ev_periodic *w = periodics [0]; |
941 | |
1030 | |
942 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1031 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
943 | |
1032 | |
944 | /* first reschedule or stop timer */ |
1033 | /* first reschedule or stop timer */ |
945 | if (w->interval) |
1034 | if (w->reschedule_cb) |
946 | { |
1035 | { |
|
|
1036 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1037 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1038 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1039 | } |
|
|
1040 | else if (w->interval) |
|
|
1041 | { |
947 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1042 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
948 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1043 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
949 | downheap ((WT *)periodics, periodiccnt, 0); |
1044 | downheap ((WT *)periodics, periodiccnt, 0); |
950 | } |
1045 | } |
951 | else |
1046 | else |
952 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1047 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
953 | |
1048 | |
954 | event (EV_A_ (W)w, EV_PERIODIC); |
1049 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
955 | } |
1050 | } |
956 | } |
1051 | } |
957 | |
1052 | |
958 | static void |
1053 | static void |
959 | periodics_reschedule (EV_P) |
1054 | periodics_reschedule (EV_P) |
… | |
… | |
963 | /* adjust periodics after time jump */ |
1058 | /* adjust periodics after time jump */ |
964 | for (i = 0; i < periodiccnt; ++i) |
1059 | for (i = 0; i < periodiccnt; ++i) |
965 | { |
1060 | { |
966 | struct ev_periodic *w = periodics [i]; |
1061 | struct ev_periodic *w = periodics [i]; |
967 | |
1062 | |
|
|
1063 | if (w->reschedule_cb) |
|
|
1064 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
968 | if (w->interval) |
1065 | else if (w->interval) |
969 | { |
|
|
970 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1066 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
971 | |
|
|
972 | if (fabs (diff) >= 1e-4) |
|
|
973 | { |
|
|
974 | ev_periodic_stop (EV_A_ w); |
|
|
975 | ev_periodic_start (EV_A_ w); |
|
|
976 | |
|
|
977 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
978 | } |
|
|
979 | } |
|
|
980 | } |
1067 | } |
|
|
1068 | |
|
|
1069 | /* now rebuild the heap */ |
|
|
1070 | for (i = periodiccnt >> 1; i--; ) |
|
|
1071 | downheap ((WT *)periodics, periodiccnt, i); |
981 | } |
1072 | } |
|
|
1073 | #endif |
982 | |
1074 | |
983 | inline int |
1075 | inline int |
984 | time_update_monotonic (EV_P) |
1076 | time_update_monotonic (EV_P) |
985 | { |
1077 | { |
986 | mn_now = get_clock (); |
1078 | mn_now = get_clock (); |
987 | |
1079 | |
988 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1080 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
989 | { |
1081 | { |
990 | rt_now = rtmn_diff + mn_now; |
1082 | ev_rt_now = rtmn_diff + mn_now; |
991 | return 0; |
1083 | return 0; |
992 | } |
1084 | } |
993 | else |
1085 | else |
994 | { |
1086 | { |
995 | now_floor = mn_now; |
1087 | now_floor = mn_now; |
996 | rt_now = ev_time (); |
1088 | ev_rt_now = ev_time (); |
997 | return 1; |
1089 | return 1; |
998 | } |
1090 | } |
999 | } |
1091 | } |
1000 | |
1092 | |
1001 | static void |
1093 | static void |
… | |
… | |
1010 | { |
1102 | { |
1011 | ev_tstamp odiff = rtmn_diff; |
1103 | ev_tstamp odiff = rtmn_diff; |
1012 | |
1104 | |
1013 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1105 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1014 | { |
1106 | { |
1015 | rtmn_diff = rt_now - mn_now; |
1107 | rtmn_diff = ev_rt_now - mn_now; |
1016 | |
1108 | |
1017 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1109 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1018 | return; /* all is well */ |
1110 | return; /* all is well */ |
1019 | |
1111 | |
1020 | rt_now = ev_time (); |
1112 | ev_rt_now = ev_time (); |
1021 | mn_now = get_clock (); |
1113 | mn_now = get_clock (); |
1022 | now_floor = mn_now; |
1114 | now_floor = mn_now; |
1023 | } |
1115 | } |
1024 | |
1116 | |
|
|
1117 | # if EV_PERIODICS |
1025 | periodics_reschedule (EV_A); |
1118 | periodics_reschedule (EV_A); |
|
|
1119 | # endif |
1026 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1120 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1027 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1121 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1028 | } |
1122 | } |
1029 | } |
1123 | } |
1030 | else |
1124 | else |
1031 | #endif |
1125 | #endif |
1032 | { |
1126 | { |
1033 | rt_now = ev_time (); |
1127 | ev_rt_now = ev_time (); |
1034 | |
1128 | |
1035 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1129 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1036 | { |
1130 | { |
|
|
1131 | #if EV_PERIODICS |
1037 | periodics_reschedule (EV_A); |
1132 | periodics_reschedule (EV_A); |
|
|
1133 | #endif |
1038 | |
1134 | |
1039 | /* adjust timers. this is easy, as the offset is the same for all */ |
1135 | /* adjust timers. this is easy, as the offset is the same for all */ |
1040 | for (i = 0; i < timercnt; ++i) |
1136 | for (i = 0; i < timercnt; ++i) |
1041 | ((WT)timers [i])->at += rt_now - mn_now; |
1137 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1042 | } |
1138 | } |
1043 | |
1139 | |
1044 | mn_now = rt_now; |
1140 | mn_now = ev_rt_now; |
1045 | } |
1141 | } |
1046 | } |
1142 | } |
1047 | |
1143 | |
1048 | void |
1144 | void |
1049 | ev_ref (EV_P) |
1145 | ev_ref (EV_P) |
… | |
… | |
1081 | /* update fd-related kernel structures */ |
1177 | /* update fd-related kernel structures */ |
1082 | fd_reify (EV_A); |
1178 | fd_reify (EV_A); |
1083 | |
1179 | |
1084 | /* calculate blocking time */ |
1180 | /* calculate blocking time */ |
1085 | |
1181 | |
1086 | /* we only need this for !monotonic clockor timers, but as we basically |
1182 | /* we only need this for !monotonic clock or timers, but as we basically |
1087 | always have timers, we just calculate it always */ |
1183 | always have timers, we just calculate it always */ |
1088 | #if EV_USE_MONOTONIC |
1184 | #if EV_USE_MONOTONIC |
1089 | if (expect_true (have_monotonic)) |
1185 | if (expect_true (have_monotonic)) |
1090 | time_update_monotonic (EV_A); |
1186 | time_update_monotonic (EV_A); |
1091 | else |
1187 | else |
1092 | #endif |
1188 | #endif |
1093 | { |
1189 | { |
1094 | rt_now = ev_time (); |
1190 | ev_rt_now = ev_time (); |
1095 | mn_now = rt_now; |
1191 | mn_now = ev_rt_now; |
1096 | } |
1192 | } |
1097 | |
1193 | |
1098 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1194 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1099 | block = 0.; |
1195 | block = 0.; |
1100 | else |
1196 | else |
… | |
… | |
1105 | { |
1201 | { |
1106 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1202 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1107 | if (block > to) block = to; |
1203 | if (block > to) block = to; |
1108 | } |
1204 | } |
1109 | |
1205 | |
|
|
1206 | #if EV_PERIODICS |
1110 | if (periodiccnt) |
1207 | if (periodiccnt) |
1111 | { |
1208 | { |
1112 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1209 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1113 | if (block > to) block = to; |
1210 | if (block > to) block = to; |
1114 | } |
1211 | } |
|
|
1212 | #endif |
1115 | |
1213 | |
1116 | if (block < 0.) block = 0.; |
1214 | if (block < 0.) block = 0.; |
1117 | } |
1215 | } |
1118 | |
1216 | |
1119 | method_poll (EV_A_ block); |
1217 | method_poll (EV_A_ block); |
1120 | |
1218 | |
1121 | /* update rt_now, do magic */ |
1219 | /* update ev_rt_now, do magic */ |
1122 | time_update (EV_A); |
1220 | time_update (EV_A); |
1123 | |
1221 | |
1124 | /* queue pending timers and reschedule them */ |
1222 | /* queue pending timers and reschedule them */ |
1125 | timers_reify (EV_A); /* relative timers called last */ |
1223 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1224 | #if EV_PERIODICS |
1126 | periodics_reify (EV_A); /* absolute timers called first */ |
1225 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1226 | #endif |
1127 | |
1227 | |
1128 | /* queue idle watchers unless io or timers are pending */ |
1228 | /* queue idle watchers unless io or timers are pending */ |
1129 | if (!pendingcnt) |
1229 | if (idlecnt && !any_pending (EV_A)) |
1130 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1230 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1131 | |
1231 | |
1132 | /* queue check watchers, to be executed first */ |
1232 | /* queue check watchers, to be executed first */ |
1133 | if (checkcnt) |
1233 | if (checkcnt) |
1134 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1234 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
1209 | return; |
1309 | return; |
1210 | |
1310 | |
1211 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1311 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1212 | |
1312 | |
1213 | ev_start (EV_A_ (W)w, 1); |
1313 | ev_start (EV_A_ (W)w, 1); |
1214 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1314 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1215 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1315 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1216 | |
1316 | |
1217 | fd_change (EV_A_ fd); |
1317 | fd_change (EV_A_ fd); |
1218 | } |
1318 | } |
1219 | |
1319 | |
… | |
… | |
1222 | { |
1322 | { |
1223 | ev_clear_pending (EV_A_ (W)w); |
1323 | ev_clear_pending (EV_A_ (W)w); |
1224 | if (!ev_is_active (w)) |
1324 | if (!ev_is_active (w)) |
1225 | return; |
1325 | return; |
1226 | |
1326 | |
|
|
1327 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1328 | |
1227 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1329 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1228 | ev_stop (EV_A_ (W)w); |
1330 | ev_stop (EV_A_ (W)w); |
1229 | |
1331 | |
1230 | fd_change (EV_A_ w->fd); |
1332 | fd_change (EV_A_ w->fd); |
1231 | } |
1333 | } |
… | |
… | |
1239 | ((WT)w)->at += mn_now; |
1341 | ((WT)w)->at += mn_now; |
1240 | |
1342 | |
1241 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1343 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1242 | |
1344 | |
1243 | ev_start (EV_A_ (W)w, ++timercnt); |
1345 | ev_start (EV_A_ (W)w, ++timercnt); |
1244 | array_needsize (timers, timermax, timercnt, (void)); |
1346 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1245 | timers [timercnt - 1] = w; |
1347 | timers [timercnt - 1] = w; |
1246 | upheap ((WT *)timers, timercnt - 1); |
1348 | upheap ((WT *)timers, timercnt - 1); |
1247 | |
1349 | |
1248 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1350 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1249 | } |
1351 | } |
… | |
… | |
1258 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1360 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1259 | |
1361 | |
1260 | if (((W)w)->active < timercnt--) |
1362 | if (((W)w)->active < timercnt--) |
1261 | { |
1363 | { |
1262 | timers [((W)w)->active - 1] = timers [timercnt]; |
1364 | timers [((W)w)->active - 1] = timers [timercnt]; |
1263 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1264 | } |
1366 | } |
1265 | |
1367 | |
1266 | ((WT)w)->at = w->repeat; |
1368 | ((WT)w)->at -= mn_now; |
1267 | |
1369 | |
1268 | ev_stop (EV_A_ (W)w); |
1370 | ev_stop (EV_A_ (W)w); |
1269 | } |
1371 | } |
1270 | |
1372 | |
1271 | void |
1373 | void |
… | |
… | |
1274 | if (ev_is_active (w)) |
1376 | if (ev_is_active (w)) |
1275 | { |
1377 | { |
1276 | if (w->repeat) |
1378 | if (w->repeat) |
1277 | { |
1379 | { |
1278 | ((WT)w)->at = mn_now + w->repeat; |
1380 | ((WT)w)->at = mn_now + w->repeat; |
1279 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1381 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1280 | } |
1382 | } |
1281 | else |
1383 | else |
1282 | ev_timer_stop (EV_A_ w); |
1384 | ev_timer_stop (EV_A_ w); |
1283 | } |
1385 | } |
1284 | else if (w->repeat) |
1386 | else if (w->repeat) |
|
|
1387 | { |
|
|
1388 | w->at = w->repeat; |
1285 | ev_timer_start (EV_A_ w); |
1389 | ev_timer_start (EV_A_ w); |
|
|
1390 | } |
1286 | } |
1391 | } |
1287 | |
1392 | |
|
|
1393 | #if EV_PERIODICS |
1288 | void |
1394 | void |
1289 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1395 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1290 | { |
1396 | { |
1291 | if (ev_is_active (w)) |
1397 | if (ev_is_active (w)) |
1292 | return; |
1398 | return; |
1293 | |
1399 | |
|
|
1400 | if (w->reschedule_cb) |
|
|
1401 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1402 | else if (w->interval) |
|
|
1403 | { |
1294 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1404 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1295 | |
|
|
1296 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1405 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1297 | if (w->interval) |
|
|
1298 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1406 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1407 | } |
1299 | |
1408 | |
1300 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1409 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1301 | array_needsize (periodics, periodicmax, periodiccnt, (void)); |
1410 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1302 | periodics [periodiccnt - 1] = w; |
1411 | periodics [periodiccnt - 1] = w; |
1303 | upheap ((WT *)periodics, periodiccnt - 1); |
1412 | upheap ((WT *)periodics, periodiccnt - 1); |
1304 | |
1413 | |
1305 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1414 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1306 | } |
1415 | } |
… | |
… | |
1315 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1424 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1316 | |
1425 | |
1317 | if (((W)w)->active < periodiccnt--) |
1426 | if (((W)w)->active < periodiccnt--) |
1318 | { |
1427 | { |
1319 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1428 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1320 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1429 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1321 | } |
1430 | } |
1322 | |
1431 | |
1323 | ev_stop (EV_A_ (W)w); |
1432 | ev_stop (EV_A_ (W)w); |
1324 | } |
1433 | } |
1325 | |
1434 | |
1326 | void |
1435 | void |
|
|
1436 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1437 | { |
|
|
1438 | /* TODO: use adjustheap and recalculation */ |
|
|
1439 | ev_periodic_stop (EV_A_ w); |
|
|
1440 | ev_periodic_start (EV_A_ w); |
|
|
1441 | } |
|
|
1442 | #endif |
|
|
1443 | |
|
|
1444 | void |
1327 | ev_idle_start (EV_P_ struct ev_idle *w) |
1445 | ev_idle_start (EV_P_ struct ev_idle *w) |
1328 | { |
1446 | { |
1329 | if (ev_is_active (w)) |
1447 | if (ev_is_active (w)) |
1330 | return; |
1448 | return; |
1331 | |
1449 | |
1332 | ev_start (EV_A_ (W)w, ++idlecnt); |
1450 | ev_start (EV_A_ (W)w, ++idlecnt); |
1333 | array_needsize (idles, idlemax, idlecnt, (void)); |
1451 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1334 | idles [idlecnt - 1] = w; |
1452 | idles [idlecnt - 1] = w; |
1335 | } |
1453 | } |
1336 | |
1454 | |
1337 | void |
1455 | void |
1338 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1456 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1339 | { |
1457 | { |
1340 | ev_clear_pending (EV_A_ (W)w); |
1458 | ev_clear_pending (EV_A_ (W)w); |
1341 | if (ev_is_active (w)) |
1459 | if (!ev_is_active (w)) |
1342 | return; |
1460 | return; |
1343 | |
1461 | |
1344 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1462 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1345 | ev_stop (EV_A_ (W)w); |
1463 | ev_stop (EV_A_ (W)w); |
1346 | } |
1464 | } |
… | |
… | |
1350 | { |
1468 | { |
1351 | if (ev_is_active (w)) |
1469 | if (ev_is_active (w)) |
1352 | return; |
1470 | return; |
1353 | |
1471 | |
1354 | ev_start (EV_A_ (W)w, ++preparecnt); |
1472 | ev_start (EV_A_ (W)w, ++preparecnt); |
1355 | array_needsize (prepares, preparemax, preparecnt, (void)); |
1473 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1356 | prepares [preparecnt - 1] = w; |
1474 | prepares [preparecnt - 1] = w; |
1357 | } |
1475 | } |
1358 | |
1476 | |
1359 | void |
1477 | void |
1360 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1478 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1361 | { |
1479 | { |
1362 | ev_clear_pending (EV_A_ (W)w); |
1480 | ev_clear_pending (EV_A_ (W)w); |
1363 | if (ev_is_active (w)) |
1481 | if (!ev_is_active (w)) |
1364 | return; |
1482 | return; |
1365 | |
1483 | |
1366 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1484 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1367 | ev_stop (EV_A_ (W)w); |
1485 | ev_stop (EV_A_ (W)w); |
1368 | } |
1486 | } |
… | |
… | |
1372 | { |
1490 | { |
1373 | if (ev_is_active (w)) |
1491 | if (ev_is_active (w)) |
1374 | return; |
1492 | return; |
1375 | |
1493 | |
1376 | ev_start (EV_A_ (W)w, ++checkcnt); |
1494 | ev_start (EV_A_ (W)w, ++checkcnt); |
1377 | array_needsize (checks, checkmax, checkcnt, (void)); |
1495 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1378 | checks [checkcnt - 1] = w; |
1496 | checks [checkcnt - 1] = w; |
1379 | } |
1497 | } |
1380 | |
1498 | |
1381 | void |
1499 | void |
1382 | ev_check_stop (EV_P_ struct ev_check *w) |
1500 | ev_check_stop (EV_P_ struct ev_check *w) |
1383 | { |
1501 | { |
1384 | ev_clear_pending (EV_A_ (W)w); |
1502 | ev_clear_pending (EV_A_ (W)w); |
1385 | if (ev_is_active (w)) |
1503 | if (!ev_is_active (w)) |
1386 | return; |
1504 | return; |
1387 | |
1505 | |
1388 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1506 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1389 | ev_stop (EV_A_ (W)w); |
1507 | ev_stop (EV_A_ (W)w); |
1390 | } |
1508 | } |
… | |
… | |
1403 | return; |
1521 | return; |
1404 | |
1522 | |
1405 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1523 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1406 | |
1524 | |
1407 | ev_start (EV_A_ (W)w, 1); |
1525 | ev_start (EV_A_ (W)w, 1); |
1408 | array_needsize (signals, signalmax, w->signum, signals_init); |
1526 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1409 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1527 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1410 | |
1528 | |
1411 | if (!((WL)w)->next) |
1529 | if (!((WL)w)->next) |
1412 | { |
1530 | { |
1413 | #if WIN32 |
1531 | #if _WIN32 |
1414 | signal (w->signum, sighandler); |
1532 | signal (w->signum, sighandler); |
1415 | #else |
1533 | #else |
1416 | struct sigaction sa; |
1534 | struct sigaction sa; |
1417 | sa.sa_handler = sighandler; |
1535 | sa.sa_handler = sighandler; |
1418 | sigfillset (&sa.sa_mask); |
1536 | sigfillset (&sa.sa_mask); |
… | |
… | |
1451 | |
1569 | |
1452 | void |
1570 | void |
1453 | ev_child_stop (EV_P_ struct ev_child *w) |
1571 | ev_child_stop (EV_P_ struct ev_child *w) |
1454 | { |
1572 | { |
1455 | ev_clear_pending (EV_A_ (W)w); |
1573 | ev_clear_pending (EV_A_ (W)w); |
1456 | if (ev_is_active (w)) |
1574 | if (!ev_is_active (w)) |
1457 | return; |
1575 | return; |
1458 | |
1576 | |
1459 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1577 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1460 | ev_stop (EV_A_ (W)w); |
1578 | ev_stop (EV_A_ (W)w); |
1461 | } |
1579 | } |
… | |
… | |
1496 | } |
1614 | } |
1497 | |
1615 | |
1498 | void |
1616 | void |
1499 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1617 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1500 | { |
1618 | { |
1501 | struct ev_once *once = ev_malloc (sizeof (struct ev_once)); |
1619 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1502 | |
1620 | |
1503 | if (!once) |
1621 | if (!once) |
1504 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1622 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1505 | else |
1623 | else |
1506 | { |
1624 | { |
1507 | once->cb = cb; |
1625 | once->cb = cb; |
1508 | once->arg = arg; |
1626 | once->arg = arg; |
1509 | |
1627 | |
1510 | ev_watcher_init (&once->io, once_cb_io); |
1628 | ev_init (&once->io, once_cb_io); |
1511 | if (fd >= 0) |
1629 | if (fd >= 0) |
1512 | { |
1630 | { |
1513 | ev_io_set (&once->io, fd, events); |
1631 | ev_io_set (&once->io, fd, events); |
1514 | ev_io_start (EV_A_ &once->io); |
1632 | ev_io_start (EV_A_ &once->io); |
1515 | } |
1633 | } |
1516 | |
1634 | |
1517 | ev_watcher_init (&once->to, once_cb_to); |
1635 | ev_init (&once->to, once_cb_to); |
1518 | if (timeout >= 0.) |
1636 | if (timeout >= 0.) |
1519 | { |
1637 | { |
1520 | ev_timer_set (&once->to, timeout, 0.); |
1638 | ev_timer_set (&once->to, timeout, 0.); |
1521 | ev_timer_start (EV_A_ &once->to); |
1639 | ev_timer_start (EV_A_ &once->to); |
1522 | } |
1640 | } |
1523 | } |
1641 | } |
1524 | } |
1642 | } |
1525 | |
1643 | |
|
|
1644 | #ifdef __cplusplus |
|
|
1645 | } |
|
|
1646 | #endif |
|
|
1647 | |