… | |
… | |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
|
|
31 | |
|
|
32 | #ifdef __cplusplus |
|
|
33 | extern "C" { |
|
|
34 | #endif |
|
|
35 | |
31 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
37 | # include "config.h" |
33 | |
38 | |
34 | # if HAVE_CLOCK_GETTIME |
39 | # if HAVE_CLOCK_GETTIME |
|
|
40 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
|
|
42 | # endif |
|
|
43 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
|
|
45 | # endif |
37 | # endif |
46 | # endif |
38 | |
47 | |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
40 | # define EV_USE_SELECT 1 |
49 | # define EV_USE_SELECT 1 |
41 | # endif |
50 | # endif |
42 | |
51 | |
43 | # if HAVE_POLL && HAVE_POLL_H |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
44 | # define EV_USE_POLL 1 |
53 | # define EV_USE_POLL 1 |
45 | # endif |
54 | # endif |
46 | |
55 | |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
48 | # define EV_USE_EPOLL 1 |
57 | # define EV_USE_EPOLL 1 |
49 | # endif |
58 | # endif |
50 | |
59 | |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
52 | # define EV_USE_KQUEUE 1 |
61 | # define EV_USE_KQUEUE 1 |
|
|
62 | # endif |
|
|
63 | |
|
|
64 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
|
|
65 | # define EV_USE_PORT 1 |
53 | # endif |
66 | # endif |
54 | |
67 | |
55 | #endif |
68 | #endif |
56 | |
69 | |
57 | #include <math.h> |
70 | #include <math.h> |
… | |
… | |
66 | #include <sys/types.h> |
79 | #include <sys/types.h> |
67 | #include <time.h> |
80 | #include <time.h> |
68 | |
81 | |
69 | #include <signal.h> |
82 | #include <signal.h> |
70 | |
83 | |
71 | #ifndef WIN32 |
84 | #ifndef _WIN32 |
72 | # include <unistd.h> |
85 | # include <unistd.h> |
73 | # include <sys/time.h> |
86 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
87 | # include <sys/wait.h> |
|
|
88 | #else |
|
|
89 | # define WIN32_LEAN_AND_MEAN |
|
|
90 | # include <windows.h> |
|
|
91 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
92 | # define EV_SELECT_IS_WINSOCKET 1 |
75 | #endif |
93 | # endif |
|
|
94 | #endif |
|
|
95 | |
76 | /**/ |
96 | /**/ |
77 | |
97 | |
78 | #ifndef EV_USE_MONOTONIC |
98 | #ifndef EV_USE_MONOTONIC |
79 | # define EV_USE_MONOTONIC 1 |
99 | # define EV_USE_MONOTONIC 0 |
|
|
100 | #endif |
|
|
101 | |
|
|
102 | #ifndef EV_USE_REALTIME |
|
|
103 | # define EV_USE_REALTIME 0 |
80 | #endif |
104 | #endif |
81 | |
105 | |
82 | #ifndef EV_USE_SELECT |
106 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
107 | # define EV_USE_SELECT 1 |
84 | #endif |
108 | #endif |
85 | |
109 | |
86 | #ifndef EV_USE_POLL |
110 | #ifndef EV_USE_POLL |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
111 | # ifdef _WIN32 |
|
|
112 | # define EV_USE_POLL 0 |
|
|
113 | # else |
|
|
114 | # define EV_USE_POLL 1 |
|
|
115 | # endif |
88 | #endif |
116 | #endif |
89 | |
117 | |
90 | #ifndef EV_USE_EPOLL |
118 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
119 | # define EV_USE_EPOLL 0 |
92 | #endif |
120 | #endif |
93 | |
121 | |
94 | #ifndef EV_USE_KQUEUE |
122 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
123 | # define EV_USE_KQUEUE 0 |
96 | #endif |
124 | #endif |
97 | |
125 | |
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 |
126 | #ifndef EV_USE_PORT |
109 | # define EV_USE_REALTIME 1 |
127 | # define EV_USE_PORT 0 |
110 | #endif |
128 | #endif |
111 | |
129 | |
112 | /**/ |
130 | /**/ |
|
|
131 | |
|
|
132 | /* darwin simply cannot be helped */ |
|
|
133 | #ifdef __APPLE__ |
|
|
134 | # undef EV_USE_POLL |
|
|
135 | # undef EV_USE_KQUEUE |
|
|
136 | #endif |
113 | |
137 | |
114 | #ifndef CLOCK_MONOTONIC |
138 | #ifndef CLOCK_MONOTONIC |
115 | # undef EV_USE_MONOTONIC |
139 | # undef EV_USE_MONOTONIC |
116 | # define EV_USE_MONOTONIC 0 |
140 | # define EV_USE_MONOTONIC 0 |
117 | #endif |
141 | #endif |
… | |
… | |
119 | #ifndef CLOCK_REALTIME |
143 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
144 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
145 | # define EV_USE_REALTIME 0 |
122 | #endif |
146 | #endif |
123 | |
147 | |
|
|
148 | #if EV_SELECT_IS_WINSOCKET |
|
|
149 | # include <winsock.h> |
|
|
150 | #endif |
|
|
151 | |
124 | /**/ |
152 | /**/ |
125 | |
153 | |
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
154 | #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) */ |
155 | #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 */ |
156 | #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 */ |
157 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
130 | |
158 | |
|
|
159 | #ifdef EV_H |
|
|
160 | # include EV_H |
|
|
161 | #else |
131 | #include "ev.h" |
162 | # include "ev.h" |
|
|
163 | #endif |
132 | |
164 | |
133 | #if __GNUC__ >= 3 |
165 | #if __GNUC__ >= 3 |
134 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
166 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
135 | # define inline inline |
167 | # define inline static inline |
136 | #else |
168 | #else |
137 | # define expect(expr,value) (expr) |
169 | # define expect(expr,value) (expr) |
138 | # define inline static |
170 | # define inline static |
139 | #endif |
171 | #endif |
140 | |
172 | |
… | |
… | |
142 | #define expect_true(expr) expect ((expr) != 0, 1) |
174 | #define expect_true(expr) expect ((expr) != 0, 1) |
143 | |
175 | |
144 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
176 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
145 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
177 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
146 | |
178 | |
|
|
179 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
180 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
181 | |
147 | typedef struct ev_watcher *W; |
182 | typedef struct ev_watcher *W; |
148 | typedef struct ev_watcher_list *WL; |
183 | typedef struct ev_watcher_list *WL; |
149 | typedef struct ev_watcher_time *WT; |
184 | typedef struct ev_watcher_time *WT; |
150 | |
185 | |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
186 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
152 | |
187 | |
|
|
188 | #ifdef _WIN32 |
153 | #include "ev_win32.c" |
189 | # include "ev_win32.c" |
|
|
190 | #endif |
154 | |
191 | |
155 | /*****************************************************************************/ |
192 | /*****************************************************************************/ |
156 | |
193 | |
157 | static void (*syserr_cb)(const char *msg); |
194 | static void (*syserr_cb)(const char *msg); |
158 | |
195 | |
… | |
… | |
205 | typedef struct |
242 | typedef struct |
206 | { |
243 | { |
207 | WL head; |
244 | WL head; |
208 | unsigned char events; |
245 | unsigned char events; |
209 | unsigned char reify; |
246 | unsigned char reify; |
|
|
247 | #if EV_SELECT_IS_WINSOCKET |
|
|
248 | SOCKET handle; |
|
|
249 | #endif |
210 | } ANFD; |
250 | } ANFD; |
211 | |
251 | |
212 | typedef struct |
252 | typedef struct |
213 | { |
253 | { |
214 | W w; |
254 | W w; |
215 | int events; |
255 | int events; |
216 | } ANPENDING; |
256 | } ANPENDING; |
217 | |
257 | |
218 | #if EV_MULTIPLICITY |
258 | #if EV_MULTIPLICITY |
219 | |
259 | |
220 | struct ev_loop |
260 | struct ev_loop |
221 | { |
261 | { |
|
|
262 | ev_tstamp ev_rt_now; |
|
|
263 | #define ev_rt_now ((loop)->ev_rt_now) |
222 | # define VAR(name,decl) decl; |
264 | #define VAR(name,decl) decl; |
223 | # include "ev_vars.h" |
265 | #include "ev_vars.h" |
224 | }; |
|
|
225 | # undef VAR |
266 | #undef VAR |
|
|
267 | }; |
226 | # include "ev_wrap.h" |
268 | #include "ev_wrap.h" |
|
|
269 | |
|
|
270 | static struct ev_loop default_loop_struct; |
|
|
271 | struct ev_loop *ev_default_loop_ptr; |
227 | |
272 | |
228 | #else |
273 | #else |
229 | |
274 | |
|
|
275 | ev_tstamp ev_rt_now; |
230 | # define VAR(name,decl) static decl; |
276 | #define VAR(name,decl) static decl; |
231 | # include "ev_vars.h" |
277 | #include "ev_vars.h" |
232 | # undef VAR |
278 | #undef VAR |
|
|
279 | |
|
|
280 | static int ev_default_loop_ptr; |
233 | |
281 | |
234 | #endif |
282 | #endif |
235 | |
283 | |
236 | /*****************************************************************************/ |
284 | /*****************************************************************************/ |
237 | |
285 | |
238 | inline ev_tstamp |
286 | ev_tstamp |
239 | ev_time (void) |
287 | ev_time (void) |
240 | { |
288 | { |
241 | #if EV_USE_REALTIME |
289 | #if EV_USE_REALTIME |
242 | struct timespec ts; |
290 | struct timespec ts; |
243 | clock_gettime (CLOCK_REALTIME, &ts); |
291 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
262 | #endif |
310 | #endif |
263 | |
311 | |
264 | return ev_time (); |
312 | return ev_time (); |
265 | } |
313 | } |
266 | |
314 | |
|
|
315 | #if EV_MULTIPLICITY |
267 | ev_tstamp |
316 | ev_tstamp |
268 | ev_now (EV_P) |
317 | ev_now (EV_P) |
269 | { |
318 | { |
270 | return rt_now; |
319 | return ev_rt_now; |
271 | } |
320 | } |
|
|
321 | #endif |
272 | |
322 | |
273 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
323 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
274 | |
324 | |
275 | #define array_needsize(type,base,cur,cnt,init) \ |
325 | #define array_needsize(type,base,cur,cnt,init) \ |
276 | if (expect_false ((cnt) > cur)) \ |
326 | if (expect_false ((cnt) > cur)) \ |
277 | { \ |
327 | { \ |
278 | int newcnt = cur; \ |
328 | int newcnt = cur; \ |
… | |
… | |
293 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
343 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
294 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
344 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
295 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
345 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
296 | } |
346 | } |
297 | |
347 | |
298 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
299 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
300 | #define array_free_microshit(stem) \ |
|
|
301 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
302 | |
|
|
303 | #define array_free(stem, idx) \ |
348 | #define array_free(stem, idx) \ |
304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
349 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
305 | |
350 | |
306 | /*****************************************************************************/ |
351 | /*****************************************************************************/ |
307 | |
352 | |
… | |
… | |
316 | |
361 | |
317 | ++base; |
362 | ++base; |
318 | } |
363 | } |
319 | } |
364 | } |
320 | |
365 | |
321 | static void |
366 | void |
322 | event (EV_P_ W w, int events) |
367 | ev_feed_event (EV_P_ void *w, int revents) |
323 | { |
368 | { |
324 | if (w->pending) |
369 | W w_ = (W)w; |
|
|
370 | |
|
|
371 | if (expect_false (w_->pending)) |
325 | { |
372 | { |
326 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
373 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
327 | return; |
374 | return; |
328 | } |
375 | } |
329 | |
376 | |
330 | w->pending = ++pendingcnt [ABSPRI (w)]; |
377 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
331 | array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
378 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
332 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
379 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
333 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
380 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
334 | } |
381 | } |
335 | |
382 | |
336 | static void |
383 | static void |
337 | queue_events (EV_P_ W *events, int eventcnt, int type) |
384 | queue_events (EV_P_ W *events, int eventcnt, int type) |
338 | { |
385 | { |
339 | int i; |
386 | int i; |
340 | |
387 | |
341 | for (i = 0; i < eventcnt; ++i) |
388 | for (i = 0; i < eventcnt; ++i) |
342 | event (EV_A_ events [i], type); |
389 | ev_feed_event (EV_A_ events [i], type); |
343 | } |
390 | } |
344 | |
391 | |
345 | static void |
392 | inline void |
346 | fd_event (EV_P_ int fd, int events) |
393 | fd_event (EV_P_ int fd, int revents) |
347 | { |
394 | { |
348 | ANFD *anfd = anfds + fd; |
395 | ANFD *anfd = anfds + fd; |
349 | struct ev_io *w; |
396 | struct ev_io *w; |
350 | |
397 | |
351 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
398 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
352 | { |
399 | { |
353 | int ev = w->events & events; |
400 | int ev = w->events & revents; |
354 | |
401 | |
355 | if (ev) |
402 | if (ev) |
356 | event (EV_A_ (W)w, ev); |
403 | ev_feed_event (EV_A_ (W)w, ev); |
357 | } |
404 | } |
|
|
405 | } |
|
|
406 | |
|
|
407 | void |
|
|
408 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
409 | { |
|
|
410 | fd_event (EV_A_ fd, revents); |
358 | } |
411 | } |
359 | |
412 | |
360 | /*****************************************************************************/ |
413 | /*****************************************************************************/ |
361 | |
414 | |
362 | static void |
415 | inline void |
363 | fd_reify (EV_P) |
416 | fd_reify (EV_P) |
364 | { |
417 | { |
365 | int i; |
418 | int i; |
366 | |
419 | |
367 | for (i = 0; i < fdchangecnt; ++i) |
420 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
373 | int events = 0; |
426 | int events = 0; |
374 | |
427 | |
375 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
428 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
376 | events |= w->events; |
429 | events |= w->events; |
377 | |
430 | |
|
|
431 | #if EV_SELECT_IS_WINSOCKET |
|
|
432 | if (events) |
|
|
433 | { |
|
|
434 | unsigned long argp; |
|
|
435 | anfd->handle = _get_osfhandle (fd); |
|
|
436 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
437 | } |
|
|
438 | #endif |
|
|
439 | |
378 | anfd->reify = 0; |
440 | anfd->reify = 0; |
379 | |
441 | |
380 | method_modify (EV_A_ fd, anfd->events, events); |
442 | method_modify (EV_A_ fd, anfd->events, events); |
381 | anfd->events = events; |
443 | anfd->events = events; |
382 | } |
444 | } |
… | |
… | |
385 | } |
447 | } |
386 | |
448 | |
387 | static void |
449 | static void |
388 | fd_change (EV_P_ int fd) |
450 | fd_change (EV_P_ int fd) |
389 | { |
451 | { |
390 | if (anfds [fd].reify) |
452 | if (expect_false (anfds [fd].reify)) |
391 | return; |
453 | return; |
392 | |
454 | |
393 | anfds [fd].reify = 1; |
455 | anfds [fd].reify = 1; |
394 | |
456 | |
395 | ++fdchangecnt; |
457 | ++fdchangecnt; |
396 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
458 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
397 | fdchanges [fdchangecnt - 1] = fd; |
459 | fdchanges [fdchangecnt - 1] = fd; |
398 | } |
460 | } |
399 | |
461 | |
400 | static void |
462 | static void |
401 | fd_kill (EV_P_ int fd) |
463 | fd_kill (EV_P_ int fd) |
… | |
… | |
403 | struct ev_io *w; |
465 | struct ev_io *w; |
404 | |
466 | |
405 | while ((w = (struct ev_io *)anfds [fd].head)) |
467 | while ((w = (struct ev_io *)anfds [fd].head)) |
406 | { |
468 | { |
407 | ev_io_stop (EV_A_ w); |
469 | ev_io_stop (EV_A_ w); |
408 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
470 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
409 | } |
471 | } |
410 | } |
472 | } |
411 | |
473 | |
412 | static int |
474 | inline int |
413 | fd_valid (int fd) |
475 | fd_valid (int fd) |
414 | { |
476 | { |
415 | #ifdef WIN32 |
477 | #ifdef _WIN32 |
416 | return !!win32_get_osfhandle (fd); |
478 | return _get_osfhandle (fd) != -1; |
417 | #else |
479 | #else |
418 | return fcntl (fd, F_GETFD) != -1; |
480 | return fcntl (fd, F_GETFD) != -1; |
419 | #endif |
481 | #endif |
420 | } |
482 | } |
421 | |
483 | |
… | |
… | |
501 | |
563 | |
502 | heap [k] = w; |
564 | heap [k] = w; |
503 | ((W)heap [k])->active = k + 1; |
565 | ((W)heap [k])->active = k + 1; |
504 | } |
566 | } |
505 | |
567 | |
|
|
568 | inline void |
|
|
569 | adjustheap (WT *heap, int N, int k) |
|
|
570 | { |
|
|
571 | upheap (heap, k); |
|
|
572 | downheap (heap, N, k); |
|
|
573 | } |
|
|
574 | |
506 | /*****************************************************************************/ |
575 | /*****************************************************************************/ |
507 | |
576 | |
508 | typedef struct |
577 | typedef struct |
509 | { |
578 | { |
510 | WL head; |
579 | WL head; |
… | |
… | |
531 | } |
600 | } |
532 | |
601 | |
533 | static void |
602 | static void |
534 | sighandler (int signum) |
603 | sighandler (int signum) |
535 | { |
604 | { |
536 | #if WIN32 |
605 | #if _WIN32 |
537 | signal (signum, sighandler); |
606 | signal (signum, sighandler); |
538 | #endif |
607 | #endif |
539 | |
608 | |
540 | signals [signum - 1].gotsig = 1; |
609 | signals [signum - 1].gotsig = 1; |
541 | |
610 | |
542 | if (!gotsig) |
611 | if (!gotsig) |
543 | { |
612 | { |
544 | int old_errno = errno; |
613 | int old_errno = errno; |
545 | gotsig = 1; |
614 | gotsig = 1; |
546 | #ifdef WIN32 |
|
|
547 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
548 | #else |
|
|
549 | write (sigpipe [1], &signum, 1); |
615 | write (sigpipe [1], &signum, 1); |
550 | #endif |
|
|
551 | errno = old_errno; |
616 | errno = old_errno; |
552 | } |
617 | } |
553 | } |
618 | } |
554 | |
619 | |
|
|
620 | void |
|
|
621 | ev_feed_signal_event (EV_P_ int signum) |
|
|
622 | { |
|
|
623 | WL w; |
|
|
624 | |
|
|
625 | #if EV_MULTIPLICITY |
|
|
626 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
627 | #endif |
|
|
628 | |
|
|
629 | --signum; |
|
|
630 | |
|
|
631 | if (signum < 0 || signum >= signalmax) |
|
|
632 | return; |
|
|
633 | |
|
|
634 | signals [signum].gotsig = 0; |
|
|
635 | |
|
|
636 | for (w = signals [signum].head; w; w = w->next) |
|
|
637 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
638 | } |
|
|
639 | |
555 | static void |
640 | static void |
556 | sigcb (EV_P_ struct ev_io *iow, int revents) |
641 | sigcb (EV_P_ struct ev_io *iow, int revents) |
557 | { |
642 | { |
558 | WL w; |
|
|
559 | int signum; |
643 | int signum; |
560 | |
644 | |
561 | #ifdef WIN32 |
|
|
562 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
563 | #else |
|
|
564 | read (sigpipe [0], &revents, 1); |
645 | read (sigpipe [0], &revents, 1); |
565 | #endif |
|
|
566 | gotsig = 0; |
646 | gotsig = 0; |
567 | |
647 | |
568 | for (signum = signalmax; signum--; ) |
648 | for (signum = signalmax; signum--; ) |
569 | if (signals [signum].gotsig) |
649 | if (signals [signum].gotsig) |
570 | { |
650 | ev_feed_signal_event (EV_A_ signum + 1); |
571 | signals [signum].gotsig = 0; |
651 | } |
572 | |
652 | |
573 | for (w = signals [signum].head; w; w = w->next) |
653 | static void |
574 | event (EV_A_ (W)w, EV_SIGNAL); |
654 | fd_intern (int fd) |
575 | } |
655 | { |
|
|
656 | #ifdef _WIN32 |
|
|
657 | int arg = 1; |
|
|
658 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
659 | #else |
|
|
660 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
661 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
662 | #endif |
576 | } |
663 | } |
577 | |
664 | |
578 | static void |
665 | static void |
579 | siginit (EV_P) |
666 | siginit (EV_P) |
580 | { |
667 | { |
581 | #ifndef WIN32 |
668 | fd_intern (sigpipe [0]); |
582 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
669 | fd_intern (sigpipe [1]); |
583 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
584 | |
|
|
585 | /* rather than sort out wether we really need nb, set it */ |
|
|
586 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
587 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
588 | #endif |
|
|
589 | |
670 | |
590 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
671 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
591 | ev_io_start (EV_A_ &sigev); |
672 | ev_io_start (EV_A_ &sigev); |
592 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
673 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
593 | } |
674 | } |
594 | |
675 | |
595 | /*****************************************************************************/ |
676 | /*****************************************************************************/ |
596 | |
677 | |
597 | static struct ev_child *childs [PID_HASHSIZE]; |
678 | static struct ev_child *childs [PID_HASHSIZE]; |
598 | |
679 | |
599 | #ifndef WIN32 |
680 | #ifndef _WIN32 |
600 | |
681 | |
601 | static struct ev_signal childev; |
682 | static struct ev_signal childev; |
602 | |
683 | |
603 | #ifndef WCONTINUED |
684 | #ifndef WCONTINUED |
604 | # define WCONTINUED 0 |
685 | # define WCONTINUED 0 |
… | |
… | |
613 | if (w->pid == pid || !w->pid) |
694 | if (w->pid == pid || !w->pid) |
614 | { |
695 | { |
615 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
696 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
616 | w->rpid = pid; |
697 | w->rpid = pid; |
617 | w->rstatus = status; |
698 | w->rstatus = status; |
618 | event (EV_A_ (W)w, EV_CHILD); |
699 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
619 | } |
700 | } |
620 | } |
701 | } |
621 | |
702 | |
622 | static void |
703 | static void |
623 | childcb (EV_P_ struct ev_signal *sw, int revents) |
704 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
625 | int pid, status; |
706 | int pid, status; |
626 | |
707 | |
627 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
708 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
628 | { |
709 | { |
629 | /* make sure we are called again until all childs have been reaped */ |
710 | /* make sure we are called again until all childs have been reaped */ |
630 | event (EV_A_ (W)sw, EV_SIGNAL); |
711 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
631 | |
712 | |
632 | child_reap (EV_A_ sw, pid, pid, status); |
713 | child_reap (EV_A_ sw, pid, pid, status); |
633 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
714 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
634 | } |
715 | } |
635 | } |
716 | } |
636 | |
717 | |
637 | #endif |
718 | #endif |
638 | |
719 | |
639 | /*****************************************************************************/ |
720 | /*****************************************************************************/ |
640 | |
721 | |
|
|
722 | #if EV_USE_PORT |
|
|
723 | # include "ev_port.c" |
|
|
724 | #endif |
641 | #if EV_USE_KQUEUE |
725 | #if EV_USE_KQUEUE |
642 | # include "ev_kqueue.c" |
726 | # include "ev_kqueue.c" |
643 | #endif |
727 | #endif |
644 | #if EV_USE_EPOLL |
728 | #if EV_USE_EPOLL |
645 | # include "ev_epoll.c" |
729 | # include "ev_epoll.c" |
… | |
… | |
665 | |
749 | |
666 | /* return true if we are running with elevated privileges and should ignore env variables */ |
750 | /* return true if we are running with elevated privileges and should ignore env variables */ |
667 | static int |
751 | static int |
668 | enable_secure (void) |
752 | enable_secure (void) |
669 | { |
753 | { |
670 | #ifdef WIN32 |
754 | #ifdef _WIN32 |
671 | return 0; |
755 | return 0; |
672 | #else |
756 | #else |
673 | return getuid () != geteuid () |
757 | return getuid () != geteuid () |
674 | || getgid () != getegid (); |
758 | || getgid () != getegid (); |
675 | #endif |
759 | #endif |
676 | } |
760 | } |
677 | |
761 | |
678 | int |
762 | unsigned int |
679 | ev_method (EV_P) |
763 | ev_method (EV_P) |
680 | { |
764 | { |
681 | return method; |
765 | return method; |
682 | } |
766 | } |
683 | |
767 | |
684 | static void |
768 | static void |
685 | loop_init (EV_P_ int methods) |
769 | loop_init (EV_P_ unsigned int flags) |
686 | { |
770 | { |
687 | if (!method) |
771 | if (!method) |
688 | { |
772 | { |
689 | #if EV_USE_MONOTONIC |
773 | #if EV_USE_MONOTONIC |
690 | { |
774 | { |
… | |
… | |
692 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
776 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
693 | have_monotonic = 1; |
777 | have_monotonic = 1; |
694 | } |
778 | } |
695 | #endif |
779 | #endif |
696 | |
780 | |
697 | rt_now = ev_time (); |
781 | ev_rt_now = ev_time (); |
698 | mn_now = get_clock (); |
782 | mn_now = get_clock (); |
699 | now_floor = mn_now; |
783 | now_floor = mn_now; |
700 | rtmn_diff = rt_now - mn_now; |
784 | rtmn_diff = ev_rt_now - mn_now; |
701 | |
785 | |
702 | if (methods == EVMETHOD_AUTO) |
786 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
703 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
704 | methods = atoi (getenv ("LIBEV_METHODS")); |
787 | flags = atoi (getenv ("LIBEV_FLAGS")); |
705 | else |
788 | |
706 | methods = EVMETHOD_ANY; |
789 | if (!(flags & 0x0000ffff)) |
|
|
790 | flags |= 0x0000ffff; |
707 | |
791 | |
708 | method = 0; |
792 | method = 0; |
709 | #if EV_USE_WIN32 |
793 | #if EV_USE_PORT |
710 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
794 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
711 | #endif |
795 | #endif |
712 | #if EV_USE_KQUEUE |
796 | #if EV_USE_KQUEUE |
713 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
797 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
714 | #endif |
798 | #endif |
715 | #if EV_USE_EPOLL |
799 | #if EV_USE_EPOLL |
716 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
800 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
717 | #endif |
801 | #endif |
718 | #if EV_USE_POLL |
802 | #if EV_USE_POLL |
719 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
803 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
720 | #endif |
804 | #endif |
721 | #if EV_USE_SELECT |
805 | #if EV_USE_SELECT |
722 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
806 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
723 | #endif |
807 | #endif |
724 | |
808 | |
725 | ev_watcher_init (&sigev, sigcb); |
809 | ev_init (&sigev, sigcb); |
726 | ev_set_priority (&sigev, EV_MAXPRI); |
810 | ev_set_priority (&sigev, EV_MAXPRI); |
727 | } |
811 | } |
728 | } |
812 | } |
729 | |
813 | |
730 | void |
814 | void |
731 | loop_destroy (EV_P) |
815 | loop_destroy (EV_P) |
732 | { |
816 | { |
733 | int i; |
817 | int i; |
734 | |
818 | |
735 | #if EV_USE_WIN32 |
819 | #if EV_USE_PORT |
736 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
820 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
737 | #endif |
821 | #endif |
738 | #if EV_USE_KQUEUE |
822 | #if EV_USE_KQUEUE |
739 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
823 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
740 | #endif |
824 | #endif |
741 | #if EV_USE_EPOLL |
825 | #if EV_USE_EPOLL |
… | |
… | |
750 | |
834 | |
751 | for (i = NUMPRI; i--; ) |
835 | for (i = NUMPRI; i--; ) |
752 | array_free (pending, [i]); |
836 | array_free (pending, [i]); |
753 | |
837 | |
754 | /* have to use the microsoft-never-gets-it-right macro */ |
838 | /* have to use the microsoft-never-gets-it-right macro */ |
755 | array_free_microshit (fdchange); |
839 | array_free (fdchange, EMPTY0); |
756 | array_free_microshit (timer); |
840 | array_free (timer, EMPTY0); |
757 | array_free_microshit (periodic); |
841 | #if EV_PERIODICS |
758 | array_free_microshit (idle); |
842 | array_free (periodic, EMPTY0); |
759 | array_free_microshit (prepare); |
843 | #endif |
760 | array_free_microshit (check); |
844 | array_free (idle, EMPTY0); |
|
|
845 | array_free (prepare, EMPTY0); |
|
|
846 | array_free (check, EMPTY0); |
761 | |
847 | |
762 | method = 0; |
848 | method = 0; |
763 | } |
849 | } |
764 | |
850 | |
765 | static void |
851 | static void |
766 | loop_fork (EV_P) |
852 | loop_fork (EV_P) |
767 | { |
853 | { |
|
|
854 | #if EV_USE_PORT |
|
|
855 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
|
|
856 | #endif |
|
|
857 | #if EV_USE_KQUEUE |
|
|
858 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
859 | #endif |
768 | #if EV_USE_EPOLL |
860 | #if EV_USE_EPOLL |
769 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
861 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
770 | #endif |
|
|
771 | #if EV_USE_KQUEUE |
|
|
772 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
773 | #endif |
862 | #endif |
774 | |
863 | |
775 | if (ev_is_active (&sigev)) |
864 | if (ev_is_active (&sigev)) |
776 | { |
865 | { |
777 | /* default loop */ |
866 | /* default loop */ |
… | |
… | |
790 | postfork = 0; |
879 | postfork = 0; |
791 | } |
880 | } |
792 | |
881 | |
793 | #if EV_MULTIPLICITY |
882 | #if EV_MULTIPLICITY |
794 | struct ev_loop * |
883 | struct ev_loop * |
795 | ev_loop_new (int methods) |
884 | ev_loop_new (unsigned int flags) |
796 | { |
885 | { |
797 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
886 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
798 | |
887 | |
799 | memset (loop, 0, sizeof (struct ev_loop)); |
888 | memset (loop, 0, sizeof (struct ev_loop)); |
800 | |
889 | |
801 | loop_init (EV_A_ methods); |
890 | loop_init (EV_A_ flags); |
802 | |
891 | |
803 | if (ev_method (EV_A)) |
892 | if (ev_method (EV_A)) |
804 | return loop; |
893 | return loop; |
805 | |
894 | |
806 | return 0; |
895 | return 0; |
… | |
… | |
820 | } |
909 | } |
821 | |
910 | |
822 | #endif |
911 | #endif |
823 | |
912 | |
824 | #if EV_MULTIPLICITY |
913 | #if EV_MULTIPLICITY |
825 | struct ev_loop default_loop_struct; |
|
|
826 | static struct ev_loop *default_loop; |
|
|
827 | |
|
|
828 | struct ev_loop * |
914 | struct ev_loop * |
|
|
915 | ev_default_loop_ (unsigned int flags) |
829 | #else |
916 | #else |
830 | static int default_loop; |
|
|
831 | |
|
|
832 | int |
917 | int |
|
|
918 | ev_default_loop (unsigned int flags) |
833 | #endif |
919 | #endif |
834 | ev_default_loop (int methods) |
|
|
835 | { |
920 | { |
836 | if (sigpipe [0] == sigpipe [1]) |
921 | if (sigpipe [0] == sigpipe [1]) |
837 | if (pipe (sigpipe)) |
922 | if (pipe (sigpipe)) |
838 | return 0; |
923 | return 0; |
839 | |
924 | |
840 | if (!default_loop) |
925 | if (!ev_default_loop_ptr) |
841 | { |
926 | { |
842 | #if EV_MULTIPLICITY |
927 | #if EV_MULTIPLICITY |
843 | struct ev_loop *loop = default_loop = &default_loop_struct; |
928 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
844 | #else |
929 | #else |
845 | default_loop = 1; |
930 | ev_default_loop_ptr = 1; |
846 | #endif |
931 | #endif |
847 | |
932 | |
848 | loop_init (EV_A_ methods); |
933 | loop_init (EV_A_ flags); |
849 | |
934 | |
850 | if (ev_method (EV_A)) |
935 | if (ev_method (EV_A)) |
851 | { |
936 | { |
852 | siginit (EV_A); |
937 | siginit (EV_A); |
853 | |
938 | |
854 | #ifndef WIN32 |
939 | #ifndef _WIN32 |
855 | ev_signal_init (&childev, childcb, SIGCHLD); |
940 | ev_signal_init (&childev, childcb, SIGCHLD); |
856 | ev_set_priority (&childev, EV_MAXPRI); |
941 | ev_set_priority (&childev, EV_MAXPRI); |
857 | ev_signal_start (EV_A_ &childev); |
942 | ev_signal_start (EV_A_ &childev); |
858 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
943 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
859 | #endif |
944 | #endif |
860 | } |
945 | } |
861 | else |
946 | else |
862 | default_loop = 0; |
947 | ev_default_loop_ptr = 0; |
863 | } |
948 | } |
864 | |
949 | |
865 | return default_loop; |
950 | return ev_default_loop_ptr; |
866 | } |
951 | } |
867 | |
952 | |
868 | void |
953 | void |
869 | ev_default_destroy (void) |
954 | ev_default_destroy (void) |
870 | { |
955 | { |
871 | #if EV_MULTIPLICITY |
956 | #if EV_MULTIPLICITY |
872 | struct ev_loop *loop = default_loop; |
957 | struct ev_loop *loop = ev_default_loop_ptr; |
873 | #endif |
958 | #endif |
874 | |
959 | |
875 | #ifndef WIN32 |
960 | #ifndef _WIN32 |
876 | ev_ref (EV_A); /* child watcher */ |
961 | ev_ref (EV_A); /* child watcher */ |
877 | ev_signal_stop (EV_A_ &childev); |
962 | ev_signal_stop (EV_A_ &childev); |
878 | #endif |
963 | #endif |
879 | |
964 | |
880 | ev_ref (EV_A); /* signal watcher */ |
965 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
888 | |
973 | |
889 | void |
974 | void |
890 | ev_default_fork (void) |
975 | ev_default_fork (void) |
891 | { |
976 | { |
892 | #if EV_MULTIPLICITY |
977 | #if EV_MULTIPLICITY |
893 | struct ev_loop *loop = default_loop; |
978 | struct ev_loop *loop = ev_default_loop_ptr; |
894 | #endif |
979 | #endif |
895 | |
980 | |
896 | if (method) |
981 | if (method) |
897 | postfork = 1; |
982 | postfork = 1; |
898 | } |
983 | } |
… | |
… | |
909 | return 1; |
994 | return 1; |
910 | |
995 | |
911 | return 0; |
996 | return 0; |
912 | } |
997 | } |
913 | |
998 | |
914 | static void |
999 | inline void |
915 | call_pending (EV_P) |
1000 | call_pending (EV_P) |
916 | { |
1001 | { |
917 | int pri; |
1002 | int pri; |
918 | |
1003 | |
919 | for (pri = NUMPRI; pri--; ) |
1004 | for (pri = NUMPRI; pri--; ) |
920 | while (pendingcnt [pri]) |
1005 | while (pendingcnt [pri]) |
921 | { |
1006 | { |
922 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1007 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
923 | |
1008 | |
924 | if (p->w) |
1009 | if (expect_true (p->w)) |
925 | { |
1010 | { |
926 | p->w->pending = 0; |
1011 | p->w->pending = 0; |
927 | p->w->cb (EV_A_ p->w, p->events); |
1012 | EV_CB_INVOKE (p->w, p->events); |
928 | } |
1013 | } |
929 | } |
1014 | } |
930 | } |
1015 | } |
931 | |
1016 | |
932 | static void |
1017 | inline void |
933 | timers_reify (EV_P) |
1018 | timers_reify (EV_P) |
934 | { |
1019 | { |
935 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1020 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
936 | { |
1021 | { |
937 | struct ev_timer *w = timers [0]; |
1022 | struct ev_timer *w = timers [0]; |
… | |
… | |
940 | |
1025 | |
941 | /* first reschedule or stop timer */ |
1026 | /* first reschedule or stop timer */ |
942 | if (w->repeat) |
1027 | if (w->repeat) |
943 | { |
1028 | { |
944 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1029 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1030 | |
945 | ((WT)w)->at = mn_now + w->repeat; |
1031 | ((WT)w)->at += w->repeat; |
|
|
1032 | if (((WT)w)->at < mn_now) |
|
|
1033 | ((WT)w)->at = mn_now; |
|
|
1034 | |
946 | downheap ((WT *)timers, timercnt, 0); |
1035 | downheap ((WT *)timers, timercnt, 0); |
947 | } |
1036 | } |
948 | else |
1037 | else |
949 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1038 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
950 | |
1039 | |
951 | event (EV_A_ (W)w, EV_TIMEOUT); |
1040 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
952 | } |
1041 | } |
953 | } |
1042 | } |
954 | |
1043 | |
955 | static void |
1044 | #if EV_PERIODICS |
|
|
1045 | inline void |
956 | periodics_reify (EV_P) |
1046 | periodics_reify (EV_P) |
957 | { |
1047 | { |
958 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1048 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
959 | { |
1049 | { |
960 | struct ev_periodic *w = periodics [0]; |
1050 | struct ev_periodic *w = periodics [0]; |
961 | |
1051 | |
962 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1052 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
963 | |
1053 | |
964 | /* first reschedule or stop timer */ |
1054 | /* first reschedule or stop timer */ |
965 | if (w->reschedule_cb) |
1055 | if (w->reschedule_cb) |
966 | { |
1056 | { |
967 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); |
1057 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
968 | |
|
|
969 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); |
1058 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
970 | downheap ((WT *)periodics, periodiccnt, 0); |
1059 | downheap ((WT *)periodics, periodiccnt, 0); |
971 | } |
1060 | } |
972 | else if (w->interval) |
1061 | else if (w->interval) |
973 | { |
1062 | { |
974 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1063 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
975 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1064 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
976 | downheap ((WT *)periodics, periodiccnt, 0); |
1065 | downheap ((WT *)periodics, periodiccnt, 0); |
977 | } |
1066 | } |
978 | else |
1067 | else |
979 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1068 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
980 | |
1069 | |
981 | event (EV_A_ (W)w, EV_PERIODIC); |
1070 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
982 | } |
1071 | } |
983 | } |
1072 | } |
984 | |
1073 | |
985 | static void |
1074 | static void |
986 | periodics_reschedule (EV_P) |
1075 | periodics_reschedule (EV_P) |
… | |
… | |
991 | for (i = 0; i < periodiccnt; ++i) |
1080 | for (i = 0; i < periodiccnt; ++i) |
992 | { |
1081 | { |
993 | struct ev_periodic *w = periodics [i]; |
1082 | struct ev_periodic *w = periodics [i]; |
994 | |
1083 | |
995 | if (w->reschedule_cb) |
1084 | if (w->reschedule_cb) |
996 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1085 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
997 | else if (w->interval) |
1086 | else if (w->interval) |
998 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1087 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
999 | } |
1088 | } |
1000 | |
1089 | |
1001 | /* now rebuild the heap */ |
1090 | /* now rebuild the heap */ |
1002 | for (i = periodiccnt >> 1; i--; ) |
1091 | for (i = periodiccnt >> 1; i--; ) |
1003 | downheap ((WT *)periodics, periodiccnt, i); |
1092 | downheap ((WT *)periodics, periodiccnt, i); |
1004 | } |
1093 | } |
|
|
1094 | #endif |
1005 | |
1095 | |
1006 | inline int |
1096 | inline int |
1007 | time_update_monotonic (EV_P) |
1097 | time_update_monotonic (EV_P) |
1008 | { |
1098 | { |
1009 | mn_now = get_clock (); |
1099 | mn_now = get_clock (); |
1010 | |
1100 | |
1011 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1101 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1012 | { |
1102 | { |
1013 | rt_now = rtmn_diff + mn_now; |
1103 | ev_rt_now = rtmn_diff + mn_now; |
1014 | return 0; |
1104 | return 0; |
1015 | } |
1105 | } |
1016 | else |
1106 | else |
1017 | { |
1107 | { |
1018 | now_floor = mn_now; |
1108 | now_floor = mn_now; |
1019 | rt_now = ev_time (); |
1109 | ev_rt_now = ev_time (); |
1020 | return 1; |
1110 | return 1; |
1021 | } |
1111 | } |
1022 | } |
1112 | } |
1023 | |
1113 | |
1024 | static void |
1114 | inline void |
1025 | time_update (EV_P) |
1115 | time_update (EV_P) |
1026 | { |
1116 | { |
1027 | int i; |
1117 | int i; |
1028 | |
1118 | |
1029 | #if EV_USE_MONOTONIC |
1119 | #if EV_USE_MONOTONIC |
… | |
… | |
1033 | { |
1123 | { |
1034 | ev_tstamp odiff = rtmn_diff; |
1124 | ev_tstamp odiff = rtmn_diff; |
1035 | |
1125 | |
1036 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1126 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1037 | { |
1127 | { |
1038 | rtmn_diff = rt_now - mn_now; |
1128 | rtmn_diff = ev_rt_now - mn_now; |
1039 | |
1129 | |
1040 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1130 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1041 | return; /* all is well */ |
1131 | return; /* all is well */ |
1042 | |
1132 | |
1043 | rt_now = ev_time (); |
1133 | ev_rt_now = ev_time (); |
1044 | mn_now = get_clock (); |
1134 | mn_now = get_clock (); |
1045 | now_floor = mn_now; |
1135 | now_floor = mn_now; |
1046 | } |
1136 | } |
1047 | |
1137 | |
|
|
1138 | # if EV_PERIODICS |
1048 | periodics_reschedule (EV_A); |
1139 | periodics_reschedule (EV_A); |
|
|
1140 | # endif |
1049 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1141 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1050 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1142 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1051 | } |
1143 | } |
1052 | } |
1144 | } |
1053 | else |
1145 | else |
1054 | #endif |
1146 | #endif |
1055 | { |
1147 | { |
1056 | rt_now = ev_time (); |
1148 | ev_rt_now = ev_time (); |
1057 | |
1149 | |
1058 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1150 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1059 | { |
1151 | { |
|
|
1152 | #if EV_PERIODICS |
1060 | periodics_reschedule (EV_A); |
1153 | periodics_reschedule (EV_A); |
|
|
1154 | #endif |
1061 | |
1155 | |
1062 | /* adjust timers. this is easy, as the offset is the same for all */ |
1156 | /* adjust timers. this is easy, as the offset is the same for all */ |
1063 | for (i = 0; i < timercnt; ++i) |
1157 | for (i = 0; i < timercnt; ++i) |
1064 | ((WT)timers [i])->at += rt_now - mn_now; |
1158 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1065 | } |
1159 | } |
1066 | |
1160 | |
1067 | mn_now = rt_now; |
1161 | mn_now = ev_rt_now; |
1068 | } |
1162 | } |
1069 | } |
1163 | } |
1070 | |
1164 | |
1071 | void |
1165 | void |
1072 | ev_ref (EV_P) |
1166 | ev_ref (EV_P) |
… | |
… | |
1086 | ev_loop (EV_P_ int flags) |
1180 | ev_loop (EV_P_ int flags) |
1087 | { |
1181 | { |
1088 | double block; |
1182 | double block; |
1089 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1183 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1090 | |
1184 | |
1091 | do |
1185 | while (activecnt) |
1092 | { |
1186 | { |
1093 | /* queue check watchers (and execute them) */ |
1187 | /* queue check watchers (and execute them) */ |
1094 | if (expect_false (preparecnt)) |
1188 | if (expect_false (preparecnt)) |
1095 | { |
1189 | { |
1096 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1190 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1112 | if (expect_true (have_monotonic)) |
1206 | if (expect_true (have_monotonic)) |
1113 | time_update_monotonic (EV_A); |
1207 | time_update_monotonic (EV_A); |
1114 | else |
1208 | else |
1115 | #endif |
1209 | #endif |
1116 | { |
1210 | { |
1117 | rt_now = ev_time (); |
1211 | ev_rt_now = ev_time (); |
1118 | mn_now = rt_now; |
1212 | mn_now = ev_rt_now; |
1119 | } |
1213 | } |
1120 | |
1214 | |
1121 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1215 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1122 | block = 0.; |
1216 | block = 0.; |
1123 | else |
1217 | else |
… | |
… | |
1128 | { |
1222 | { |
1129 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1223 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1130 | if (block > to) block = to; |
1224 | if (block > to) block = to; |
1131 | } |
1225 | } |
1132 | |
1226 | |
|
|
1227 | #if EV_PERIODICS |
1133 | if (periodiccnt) |
1228 | if (periodiccnt) |
1134 | { |
1229 | { |
1135 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1230 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1136 | if (block > to) block = to; |
1231 | if (block > to) block = to; |
1137 | } |
1232 | } |
|
|
1233 | #endif |
1138 | |
1234 | |
1139 | if (block < 0.) block = 0.; |
1235 | if (expect_false (block < 0.)) block = 0.; |
1140 | } |
1236 | } |
1141 | |
1237 | |
1142 | method_poll (EV_A_ block); |
1238 | method_poll (EV_A_ block); |
1143 | |
1239 | |
1144 | /* update rt_now, do magic */ |
1240 | /* update ev_rt_now, do magic */ |
1145 | time_update (EV_A); |
1241 | time_update (EV_A); |
1146 | |
1242 | |
1147 | /* queue pending timers and reschedule them */ |
1243 | /* queue pending timers and reschedule them */ |
1148 | timers_reify (EV_A); /* relative timers called last */ |
1244 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1245 | #if EV_PERIODICS |
1149 | periodics_reify (EV_A); /* absolute timers called first */ |
1246 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1247 | #endif |
1150 | |
1248 | |
1151 | /* queue idle watchers unless io or timers are pending */ |
1249 | /* queue idle watchers unless io or timers are pending */ |
1152 | if (idlecnt && !any_pending (EV_A)) |
1250 | if (idlecnt && !any_pending (EV_A)) |
1153 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1251 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1154 | |
1252 | |
1155 | /* queue check watchers, to be executed first */ |
1253 | /* queue check watchers, to be executed first */ |
1156 | if (checkcnt) |
1254 | if (expect_false (checkcnt)) |
1157 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1255 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1158 | |
1256 | |
1159 | call_pending (EV_A); |
1257 | call_pending (EV_A); |
|
|
1258 | |
|
|
1259 | if (expect_false (loop_done)) |
|
|
1260 | break; |
1160 | } |
1261 | } |
1161 | while (activecnt && !loop_done); |
|
|
1162 | |
1262 | |
1163 | if (loop_done != 2) |
1263 | if (loop_done != 2) |
1164 | loop_done = 0; |
1264 | loop_done = 0; |
1165 | } |
1265 | } |
1166 | |
1266 | |
… | |
… | |
1226 | void |
1326 | void |
1227 | ev_io_start (EV_P_ struct ev_io *w) |
1327 | ev_io_start (EV_P_ struct ev_io *w) |
1228 | { |
1328 | { |
1229 | int fd = w->fd; |
1329 | int fd = w->fd; |
1230 | |
1330 | |
1231 | if (ev_is_active (w)) |
1331 | if (expect_false (ev_is_active (w))) |
1232 | return; |
1332 | return; |
1233 | |
1333 | |
1234 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1334 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1235 | |
1335 | |
1236 | ev_start (EV_A_ (W)w, 1); |
1336 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1242 | |
1342 | |
1243 | void |
1343 | void |
1244 | ev_io_stop (EV_P_ struct ev_io *w) |
1344 | ev_io_stop (EV_P_ struct ev_io *w) |
1245 | { |
1345 | { |
1246 | ev_clear_pending (EV_A_ (W)w); |
1346 | ev_clear_pending (EV_A_ (W)w); |
1247 | if (!ev_is_active (w)) |
1347 | if (expect_false (!ev_is_active (w))) |
1248 | return; |
1348 | return; |
|
|
1349 | |
|
|
1350 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1249 | |
1351 | |
1250 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1352 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1251 | ev_stop (EV_A_ (W)w); |
1353 | ev_stop (EV_A_ (W)w); |
1252 | |
1354 | |
1253 | fd_change (EV_A_ w->fd); |
1355 | fd_change (EV_A_ w->fd); |
1254 | } |
1356 | } |
1255 | |
1357 | |
1256 | void |
1358 | void |
1257 | ev_timer_start (EV_P_ struct ev_timer *w) |
1359 | ev_timer_start (EV_P_ struct ev_timer *w) |
1258 | { |
1360 | { |
1259 | if (ev_is_active (w)) |
1361 | if (expect_false (ev_is_active (w))) |
1260 | return; |
1362 | return; |
1261 | |
1363 | |
1262 | ((WT)w)->at += mn_now; |
1364 | ((WT)w)->at += mn_now; |
1263 | |
1365 | |
1264 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1366 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1265 | |
1367 | |
1266 | ev_start (EV_A_ (W)w, ++timercnt); |
1368 | ev_start (EV_A_ (W)w, ++timercnt); |
1267 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1369 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1268 | timers [timercnt - 1] = w; |
1370 | timers [timercnt - 1] = w; |
1269 | upheap ((WT *)timers, timercnt - 1); |
1371 | upheap ((WT *)timers, timercnt - 1); |
1270 | |
1372 | |
1271 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1373 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1272 | } |
1374 | } |
1273 | |
1375 | |
1274 | void |
1376 | void |
1275 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1377 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1276 | { |
1378 | { |
1277 | ev_clear_pending (EV_A_ (W)w); |
1379 | ev_clear_pending (EV_A_ (W)w); |
1278 | if (!ev_is_active (w)) |
1380 | if (expect_false (!ev_is_active (w))) |
1279 | return; |
1381 | return; |
1280 | |
1382 | |
1281 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1383 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1282 | |
1384 | |
1283 | if (((W)w)->active < timercnt--) |
1385 | if (expect_true (((W)w)->active < timercnt--)) |
1284 | { |
1386 | { |
1285 | timers [((W)w)->active - 1] = timers [timercnt]; |
1387 | timers [((W)w)->active - 1] = timers [timercnt]; |
1286 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1388 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1287 | } |
1389 | } |
1288 | |
1390 | |
1289 | ((WT)w)->at = w->repeat; |
1391 | ((WT)w)->at -= mn_now; |
1290 | |
1392 | |
1291 | ev_stop (EV_A_ (W)w); |
1393 | ev_stop (EV_A_ (W)w); |
1292 | } |
1394 | } |
1293 | |
1395 | |
1294 | void |
1396 | void |
… | |
… | |
1297 | if (ev_is_active (w)) |
1399 | if (ev_is_active (w)) |
1298 | { |
1400 | { |
1299 | if (w->repeat) |
1401 | if (w->repeat) |
1300 | { |
1402 | { |
1301 | ((WT)w)->at = mn_now + w->repeat; |
1403 | ((WT)w)->at = mn_now + w->repeat; |
1302 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1404 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1303 | } |
1405 | } |
1304 | else |
1406 | else |
1305 | ev_timer_stop (EV_A_ w); |
1407 | ev_timer_stop (EV_A_ w); |
1306 | } |
1408 | } |
1307 | else if (w->repeat) |
1409 | else if (w->repeat) |
|
|
1410 | { |
|
|
1411 | w->at = w->repeat; |
1308 | ev_timer_start (EV_A_ w); |
1412 | ev_timer_start (EV_A_ w); |
|
|
1413 | } |
1309 | } |
1414 | } |
1310 | |
1415 | |
|
|
1416 | #if EV_PERIODICS |
1311 | void |
1417 | void |
1312 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1418 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1313 | { |
1419 | { |
1314 | if (ev_is_active (w)) |
1420 | if (expect_false (ev_is_active (w))) |
1315 | return; |
1421 | return; |
1316 | |
1422 | |
1317 | if (w->reschedule_cb) |
1423 | if (w->reschedule_cb) |
1318 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1424 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1319 | else if (w->interval) |
1425 | else if (w->interval) |
1320 | { |
1426 | { |
1321 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1427 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1322 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1428 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1323 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1429 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1324 | } |
1430 | } |
1325 | |
1431 | |
1326 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1432 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1327 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1433 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1328 | periodics [periodiccnt - 1] = w; |
1434 | periodics [periodiccnt - 1] = w; |
1329 | upheap ((WT *)periodics, periodiccnt - 1); |
1435 | upheap ((WT *)periodics, periodiccnt - 1); |
1330 | |
1436 | |
1331 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1437 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1332 | } |
1438 | } |
1333 | |
1439 | |
1334 | void |
1440 | void |
1335 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1441 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1336 | { |
1442 | { |
1337 | ev_clear_pending (EV_A_ (W)w); |
1443 | ev_clear_pending (EV_A_ (W)w); |
1338 | if (!ev_is_active (w)) |
1444 | if (expect_false (!ev_is_active (w))) |
1339 | return; |
1445 | return; |
1340 | |
1446 | |
1341 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1447 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1342 | |
1448 | |
1343 | if (((W)w)->active < periodiccnt--) |
1449 | if (expect_true (((W)w)->active < periodiccnt--)) |
1344 | { |
1450 | { |
1345 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1451 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1346 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1452 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1347 | } |
1453 | } |
1348 | |
1454 | |
1349 | ev_stop (EV_A_ (W)w); |
1455 | ev_stop (EV_A_ (W)w); |
1350 | } |
1456 | } |
1351 | |
1457 | |
1352 | void |
1458 | void |
1353 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1459 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1354 | { |
1460 | { |
|
|
1461 | /* TODO: use adjustheap and recalculation */ |
1355 | ev_periodic_stop (EV_A_ w); |
1462 | ev_periodic_stop (EV_A_ w); |
1356 | ev_periodic_start (EV_A_ w); |
1463 | ev_periodic_start (EV_A_ w); |
1357 | } |
1464 | } |
|
|
1465 | #endif |
1358 | |
1466 | |
1359 | void |
1467 | void |
1360 | ev_idle_start (EV_P_ struct ev_idle *w) |
1468 | ev_idle_start (EV_P_ struct ev_idle *w) |
1361 | { |
1469 | { |
1362 | if (ev_is_active (w)) |
1470 | if (expect_false (ev_is_active (w))) |
1363 | return; |
1471 | return; |
1364 | |
1472 | |
1365 | ev_start (EV_A_ (W)w, ++idlecnt); |
1473 | ev_start (EV_A_ (W)w, ++idlecnt); |
1366 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1474 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1367 | idles [idlecnt - 1] = w; |
1475 | idles [idlecnt - 1] = w; |
1368 | } |
1476 | } |
1369 | |
1477 | |
1370 | void |
1478 | void |
1371 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1479 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1372 | { |
1480 | { |
1373 | ev_clear_pending (EV_A_ (W)w); |
1481 | ev_clear_pending (EV_A_ (W)w); |
1374 | if (ev_is_active (w)) |
1482 | if (expect_false (!ev_is_active (w))) |
1375 | return; |
1483 | return; |
1376 | |
1484 | |
1377 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1485 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1378 | ev_stop (EV_A_ (W)w); |
1486 | ev_stop (EV_A_ (W)w); |
1379 | } |
1487 | } |
1380 | |
1488 | |
1381 | void |
1489 | void |
1382 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1490 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1383 | { |
1491 | { |
1384 | if (ev_is_active (w)) |
1492 | if (expect_false (ev_is_active (w))) |
1385 | return; |
1493 | return; |
1386 | |
1494 | |
1387 | ev_start (EV_A_ (W)w, ++preparecnt); |
1495 | ev_start (EV_A_ (W)w, ++preparecnt); |
1388 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1496 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1389 | prepares [preparecnt - 1] = w; |
1497 | prepares [preparecnt - 1] = w; |
1390 | } |
1498 | } |
1391 | |
1499 | |
1392 | void |
1500 | void |
1393 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1501 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1394 | { |
1502 | { |
1395 | ev_clear_pending (EV_A_ (W)w); |
1503 | ev_clear_pending (EV_A_ (W)w); |
1396 | if (ev_is_active (w)) |
1504 | if (expect_false (!ev_is_active (w))) |
1397 | return; |
1505 | return; |
1398 | |
1506 | |
1399 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1507 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1400 | ev_stop (EV_A_ (W)w); |
1508 | ev_stop (EV_A_ (W)w); |
1401 | } |
1509 | } |
1402 | |
1510 | |
1403 | void |
1511 | void |
1404 | ev_check_start (EV_P_ struct ev_check *w) |
1512 | ev_check_start (EV_P_ struct ev_check *w) |
1405 | { |
1513 | { |
1406 | if (ev_is_active (w)) |
1514 | if (expect_false (ev_is_active (w))) |
1407 | return; |
1515 | return; |
1408 | |
1516 | |
1409 | ev_start (EV_A_ (W)w, ++checkcnt); |
1517 | ev_start (EV_A_ (W)w, ++checkcnt); |
1410 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1518 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1411 | checks [checkcnt - 1] = w; |
1519 | checks [checkcnt - 1] = w; |
1412 | } |
1520 | } |
1413 | |
1521 | |
1414 | void |
1522 | void |
1415 | ev_check_stop (EV_P_ struct ev_check *w) |
1523 | ev_check_stop (EV_P_ struct ev_check *w) |
1416 | { |
1524 | { |
1417 | ev_clear_pending (EV_A_ (W)w); |
1525 | ev_clear_pending (EV_A_ (W)w); |
1418 | if (ev_is_active (w)) |
1526 | if (expect_false (!ev_is_active (w))) |
1419 | return; |
1527 | return; |
1420 | |
1528 | |
1421 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1529 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1422 | ev_stop (EV_A_ (W)w); |
1530 | ev_stop (EV_A_ (W)w); |
1423 | } |
1531 | } |
… | |
… | |
1428 | |
1536 | |
1429 | void |
1537 | void |
1430 | ev_signal_start (EV_P_ struct ev_signal *w) |
1538 | ev_signal_start (EV_P_ struct ev_signal *w) |
1431 | { |
1539 | { |
1432 | #if EV_MULTIPLICITY |
1540 | #if EV_MULTIPLICITY |
1433 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1541 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1434 | #endif |
1542 | #endif |
1435 | if (ev_is_active (w)) |
1543 | if (expect_false (ev_is_active (w))) |
1436 | return; |
1544 | return; |
1437 | |
1545 | |
1438 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1546 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1439 | |
1547 | |
1440 | ev_start (EV_A_ (W)w, 1); |
1548 | ev_start (EV_A_ (W)w, 1); |
1441 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1549 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1442 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1550 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1443 | |
1551 | |
1444 | if (!((WL)w)->next) |
1552 | if (!((WL)w)->next) |
1445 | { |
1553 | { |
1446 | #if WIN32 |
1554 | #if _WIN32 |
1447 | signal (w->signum, sighandler); |
1555 | signal (w->signum, sighandler); |
1448 | #else |
1556 | #else |
1449 | struct sigaction sa; |
1557 | struct sigaction sa; |
1450 | sa.sa_handler = sighandler; |
1558 | sa.sa_handler = sighandler; |
1451 | sigfillset (&sa.sa_mask); |
1559 | sigfillset (&sa.sa_mask); |
… | |
… | |
1457 | |
1565 | |
1458 | void |
1566 | void |
1459 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1567 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1460 | { |
1568 | { |
1461 | ev_clear_pending (EV_A_ (W)w); |
1569 | ev_clear_pending (EV_A_ (W)w); |
1462 | if (!ev_is_active (w)) |
1570 | if (expect_false (!ev_is_active (w))) |
1463 | return; |
1571 | return; |
1464 | |
1572 | |
1465 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1573 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1466 | ev_stop (EV_A_ (W)w); |
1574 | ev_stop (EV_A_ (W)w); |
1467 | |
1575 | |
… | |
… | |
1471 | |
1579 | |
1472 | void |
1580 | void |
1473 | ev_child_start (EV_P_ struct ev_child *w) |
1581 | ev_child_start (EV_P_ struct ev_child *w) |
1474 | { |
1582 | { |
1475 | #if EV_MULTIPLICITY |
1583 | #if EV_MULTIPLICITY |
1476 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1584 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1477 | #endif |
1585 | #endif |
1478 | if (ev_is_active (w)) |
1586 | if (expect_false (ev_is_active (w))) |
1479 | return; |
1587 | return; |
1480 | |
1588 | |
1481 | ev_start (EV_A_ (W)w, 1); |
1589 | ev_start (EV_A_ (W)w, 1); |
1482 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1590 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1483 | } |
1591 | } |
1484 | |
1592 | |
1485 | void |
1593 | void |
1486 | ev_child_stop (EV_P_ struct ev_child *w) |
1594 | ev_child_stop (EV_P_ struct ev_child *w) |
1487 | { |
1595 | { |
1488 | ev_clear_pending (EV_A_ (W)w); |
1596 | ev_clear_pending (EV_A_ (W)w); |
1489 | if (ev_is_active (w)) |
1597 | if (expect_false (!ev_is_active (w))) |
1490 | return; |
1598 | return; |
1491 | |
1599 | |
1492 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1600 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1493 | ev_stop (EV_A_ (W)w); |
1601 | ev_stop (EV_A_ (W)w); |
1494 | } |
1602 | } |
… | |
… | |
1531 | void |
1639 | void |
1532 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1640 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1533 | { |
1641 | { |
1534 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1642 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1535 | |
1643 | |
1536 | if (!once) |
1644 | if (expect_false (!once)) |
|
|
1645 | { |
1537 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1646 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1538 | else |
1647 | return; |
1539 | { |
1648 | } |
|
|
1649 | |
1540 | once->cb = cb; |
1650 | once->cb = cb; |
1541 | once->arg = arg; |
1651 | once->arg = arg; |
1542 | |
1652 | |
1543 | ev_watcher_init (&once->io, once_cb_io); |
1653 | ev_init (&once->io, once_cb_io); |
1544 | if (fd >= 0) |
1654 | if (fd >= 0) |
1545 | { |
1655 | { |
1546 | ev_io_set (&once->io, fd, events); |
1656 | ev_io_set (&once->io, fd, events); |
1547 | ev_io_start (EV_A_ &once->io); |
1657 | ev_io_start (EV_A_ &once->io); |
1548 | } |
1658 | } |
1549 | |
1659 | |
1550 | ev_watcher_init (&once->to, once_cb_to); |
1660 | ev_init (&once->to, once_cb_to); |
1551 | if (timeout >= 0.) |
1661 | if (timeout >= 0.) |
1552 | { |
1662 | { |
1553 | ev_timer_set (&once->to, timeout, 0.); |
1663 | ev_timer_set (&once->to, timeout, 0.); |
1554 | ev_timer_start (EV_A_ &once->to); |
1664 | ev_timer_start (EV_A_ &once->to); |
1555 | } |
|
|
1556 | } |
1665 | } |
1557 | } |
1666 | } |
1558 | |
1667 | |
|
|
1668 | #ifdef __cplusplus |
|
|
1669 | } |
|
|
1670 | #endif |
|
|
1671 | |