… | |
… | |
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> |
… | |
… | |
64 | #include <assert.h> |
77 | #include <assert.h> |
65 | #include <errno.h> |
78 | #include <errno.h> |
66 | #include <sys/types.h> |
79 | #include <sys/types.h> |
67 | #include <time.h> |
80 | #include <time.h> |
68 | |
81 | |
69 | #ifndef PERL |
|
|
70 | # include <signal.h> |
82 | #include <signal.h> |
71 | #endif |
|
|
72 | |
83 | |
73 | #ifndef WIN32 |
84 | #ifndef _WIN32 |
74 | # include <unistd.h> |
85 | # include <unistd.h> |
75 | # include <sys/time.h> |
86 | # include <sys/time.h> |
76 | # 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 |
77 | #endif |
93 | # endif |
|
|
94 | #endif |
|
|
95 | |
78 | /**/ |
96 | /**/ |
79 | |
97 | |
80 | #ifndef EV_USE_MONOTONIC |
98 | #ifndef EV_USE_MONOTONIC |
81 | # define EV_USE_MONOTONIC 1 |
99 | # define EV_USE_MONOTONIC 1 |
82 | #endif |
100 | #endif |
83 | |
101 | |
|
|
102 | #ifndef EV_USE_REALTIME |
|
|
103 | # define EV_USE_REALTIME 1 |
|
|
104 | #endif |
|
|
105 | |
84 | #ifndef EV_USE_SELECT |
106 | #ifndef EV_USE_SELECT |
85 | # define EV_USE_SELECT 1 |
107 | # define EV_USE_SELECT 1 |
|
|
108 | # define EV_SELECT_USE_FD_SET 1 |
86 | #endif |
109 | #endif |
87 | |
110 | |
88 | #ifndef EV_USE_POLL |
111 | #ifndef EV_USE_POLL |
89 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
112 | # ifdef _WIN32 |
|
|
113 | # define EV_USE_POLL 0 |
|
|
114 | # else |
|
|
115 | # define EV_USE_POLL 1 |
|
|
116 | # endif |
90 | #endif |
117 | #endif |
91 | |
118 | |
92 | #ifndef EV_USE_EPOLL |
119 | #ifndef EV_USE_EPOLL |
93 | # define EV_USE_EPOLL 0 |
120 | # define EV_USE_EPOLL 0 |
94 | #endif |
121 | #endif |
95 | |
122 | |
96 | #ifndef EV_USE_KQUEUE |
123 | #ifndef EV_USE_KQUEUE |
97 | # define EV_USE_KQUEUE 0 |
124 | # define EV_USE_KQUEUE 0 |
98 | #endif |
125 | #endif |
99 | |
126 | |
100 | #ifndef EV_USE_WIN32 |
|
|
101 | # ifdef WIN32 |
|
|
102 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
103 | # undef EV_USE_SELECT |
|
|
104 | # define EV_USE_SELECT 1 |
|
|
105 | # else |
|
|
106 | # define EV_USE_WIN32 0 |
|
|
107 | # endif |
|
|
108 | #endif |
|
|
109 | |
|
|
110 | #ifndef EV_USE_REALTIME |
127 | #ifndef EV_USE_PORT |
111 | # define EV_USE_REALTIME 1 |
128 | # define EV_USE_PORT 0 |
112 | #endif |
129 | #endif |
113 | |
130 | |
114 | /**/ |
131 | /**/ |
|
|
132 | |
|
|
133 | /* darwin simply cannot be helped */ |
|
|
134 | #ifdef __APPLE__ |
|
|
135 | # undef EV_USE_POLL |
|
|
136 | # undef EV_USE_KQUEUE |
|
|
137 | #endif |
115 | |
138 | |
116 | #ifndef CLOCK_MONOTONIC |
139 | #ifndef CLOCK_MONOTONIC |
117 | # undef EV_USE_MONOTONIC |
140 | # undef EV_USE_MONOTONIC |
118 | # define EV_USE_MONOTONIC 0 |
141 | # define EV_USE_MONOTONIC 0 |
119 | #endif |
142 | #endif |
… | |
… | |
121 | #ifndef CLOCK_REALTIME |
144 | #ifndef CLOCK_REALTIME |
122 | # undef EV_USE_REALTIME |
145 | # undef EV_USE_REALTIME |
123 | # define EV_USE_REALTIME 0 |
146 | # define EV_USE_REALTIME 0 |
124 | #endif |
147 | #endif |
125 | |
148 | |
|
|
149 | #if EV_SELECT_IS_WINSOCKET |
|
|
150 | # include <winsock.h> |
|
|
151 | #endif |
|
|
152 | |
126 | /**/ |
153 | /**/ |
127 | |
154 | |
128 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
155 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
129 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
156 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
130 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
157 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
131 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
158 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
132 | |
159 | |
|
|
160 | #ifdef EV_H |
|
|
161 | # include EV_H |
|
|
162 | #else |
133 | #include "ev.h" |
163 | # include "ev.h" |
|
|
164 | #endif |
134 | |
165 | |
135 | #if __GNUC__ >= 3 |
166 | #if __GNUC__ >= 3 |
136 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
167 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
137 | # define inline inline |
168 | # define inline inline |
138 | #else |
169 | #else |
… | |
… | |
144 | #define expect_true(expr) expect ((expr) != 0, 1) |
175 | #define expect_true(expr) expect ((expr) != 0, 1) |
145 | |
176 | |
146 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
177 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
147 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
178 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
148 | |
179 | |
|
|
180 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
181 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
182 | |
149 | typedef struct ev_watcher *W; |
183 | typedef struct ev_watcher *W; |
150 | typedef struct ev_watcher_list *WL; |
184 | typedef struct ev_watcher_list *WL; |
151 | typedef struct ev_watcher_time *WT; |
185 | typedef struct ev_watcher_time *WT; |
152 | |
186 | |
153 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
187 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
154 | |
188 | |
155 | #if WIN32 |
189 | #ifdef _WIN32 |
156 | /* note: the comment below could not be substantiated, but what would I care */ |
190 | # include "ev_win32.c" |
157 | /* MSDN says this is required to handle SIGFPE */ |
|
|
158 | volatile double SIGFPE_REQ = 0.0f; |
|
|
159 | #endif |
191 | #endif |
160 | |
192 | |
161 | /*****************************************************************************/ |
193 | /*****************************************************************************/ |
162 | |
194 | |
163 | static void (*syserr_cb)(const char *msg); |
195 | static void (*syserr_cb)(const char *msg); |
… | |
… | |
211 | typedef struct |
243 | typedef struct |
212 | { |
244 | { |
213 | WL head; |
245 | WL head; |
214 | unsigned char events; |
246 | unsigned char events; |
215 | unsigned char reify; |
247 | unsigned char reify; |
|
|
248 | #if EV_SELECT_IS_WINSOCKET |
|
|
249 | SOCKET handle; |
|
|
250 | #endif |
216 | } ANFD; |
251 | } ANFD; |
217 | |
252 | |
218 | typedef struct |
253 | typedef struct |
219 | { |
254 | { |
220 | W w; |
255 | W w; |
221 | int events; |
256 | int events; |
222 | } ANPENDING; |
257 | } ANPENDING; |
223 | |
258 | |
224 | #if EV_MULTIPLICITY |
259 | #if EV_MULTIPLICITY |
225 | |
260 | |
226 | struct ev_loop |
261 | struct ev_loop |
227 | { |
262 | { |
|
|
263 | ev_tstamp ev_rt_now; |
|
|
264 | #define ev_rt_now ((loop)->ev_rt_now) |
228 | # define VAR(name,decl) decl; |
265 | #define VAR(name,decl) decl; |
229 | # include "ev_vars.h" |
266 | #include "ev_vars.h" |
230 | }; |
|
|
231 | # undef VAR |
267 | #undef VAR |
|
|
268 | }; |
232 | # include "ev_wrap.h" |
269 | #include "ev_wrap.h" |
|
|
270 | |
|
|
271 | static struct ev_loop default_loop_struct; |
|
|
272 | struct ev_loop *ev_default_loop_ptr; |
233 | |
273 | |
234 | #else |
274 | #else |
235 | |
275 | |
|
|
276 | ev_tstamp ev_rt_now; |
236 | # define VAR(name,decl) static decl; |
277 | #define VAR(name,decl) static decl; |
237 | # include "ev_vars.h" |
278 | #include "ev_vars.h" |
238 | # undef VAR |
279 | #undef VAR |
|
|
280 | |
|
|
281 | static int ev_default_loop_ptr; |
239 | |
282 | |
240 | #endif |
283 | #endif |
241 | |
284 | |
242 | /*****************************************************************************/ |
285 | /*****************************************************************************/ |
243 | |
286 | |
244 | inline ev_tstamp |
287 | ev_tstamp |
245 | ev_time (void) |
288 | ev_time (void) |
246 | { |
289 | { |
247 | #if EV_USE_REALTIME |
290 | #if EV_USE_REALTIME |
248 | struct timespec ts; |
291 | struct timespec ts; |
249 | clock_gettime (CLOCK_REALTIME, &ts); |
292 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
268 | #endif |
311 | #endif |
269 | |
312 | |
270 | return ev_time (); |
313 | return ev_time (); |
271 | } |
314 | } |
272 | |
315 | |
|
|
316 | #if EV_MULTIPLICITY |
273 | ev_tstamp |
317 | ev_tstamp |
274 | ev_now (EV_P) |
318 | ev_now (EV_P) |
275 | { |
319 | { |
276 | return rt_now; |
320 | return ev_rt_now; |
277 | } |
321 | } |
|
|
322 | #endif |
278 | |
323 | |
279 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
324 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
280 | |
325 | |
281 | #define array_needsize(base,cur,cnt,init) \ |
326 | #define array_needsize(type,base,cur,cnt,init) \ |
282 | if (expect_false ((cnt) > cur)) \ |
327 | if (expect_false ((cnt) > cur)) \ |
283 | { \ |
328 | { \ |
284 | int newcnt = cur; \ |
329 | int newcnt = cur; \ |
285 | do \ |
330 | do \ |
286 | { \ |
331 | { \ |
287 | newcnt = array_roundsize (base, newcnt << 1); \ |
332 | newcnt = array_roundsize (type, newcnt << 1); \ |
288 | } \ |
333 | } \ |
289 | while ((cnt) > newcnt); \ |
334 | while ((cnt) > newcnt); \ |
290 | \ |
335 | \ |
291 | base = ev_realloc (base, sizeof (*base) * (newcnt)); \ |
336 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
292 | init (base + cur, newcnt - cur); \ |
337 | init (base + cur, newcnt - cur); \ |
293 | cur = newcnt; \ |
338 | cur = newcnt; \ |
294 | } |
339 | } |
295 | |
340 | |
296 | #define array_slim(stem) \ |
341 | #define array_slim(type,stem) \ |
297 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
342 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
298 | { \ |
343 | { \ |
299 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
344 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
300 | base = ev_realloc (base, sizeof (*base) * (stem ## max)); \ |
345 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
301 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
346 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
302 | } |
347 | } |
303 | |
|
|
304 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
305 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
306 | #define array_free_microshit(stem) \ |
|
|
307 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
308 | |
348 | |
309 | #define array_free(stem, idx) \ |
349 | #define array_free(stem, idx) \ |
310 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
350 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
311 | |
351 | |
312 | /*****************************************************************************/ |
352 | /*****************************************************************************/ |
… | |
… | |
322 | |
362 | |
323 | ++base; |
363 | ++base; |
324 | } |
364 | } |
325 | } |
365 | } |
326 | |
366 | |
327 | static void |
367 | void |
328 | event (EV_P_ W w, int events) |
368 | ev_feed_event (EV_P_ void *w, int revents) |
329 | { |
369 | { |
|
|
370 | W w_ = (W)w; |
|
|
371 | |
330 | if (w->pending) |
372 | if (w_->pending) |
331 | { |
373 | { |
332 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
374 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
333 | return; |
375 | return; |
334 | } |
376 | } |
335 | |
377 | |
336 | w->pending = ++pendingcnt [ABSPRI (w)]; |
378 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
337 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
379 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
338 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
380 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
339 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
381 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
340 | } |
382 | } |
341 | |
383 | |
342 | static void |
384 | static void |
343 | queue_events (EV_P_ W *events, int eventcnt, int type) |
385 | queue_events (EV_P_ W *events, int eventcnt, int type) |
344 | { |
386 | { |
345 | int i; |
387 | int i; |
346 | |
388 | |
347 | for (i = 0; i < eventcnt; ++i) |
389 | for (i = 0; i < eventcnt; ++i) |
348 | event (EV_A_ events [i], type); |
390 | ev_feed_event (EV_A_ events [i], type); |
349 | } |
391 | } |
350 | |
392 | |
351 | static void |
393 | inline void |
352 | fd_event (EV_P_ int fd, int events) |
394 | fd_event (EV_P_ int fd, int revents) |
353 | { |
395 | { |
354 | ANFD *anfd = anfds + fd; |
396 | ANFD *anfd = anfds + fd; |
355 | struct ev_io *w; |
397 | struct ev_io *w; |
356 | |
398 | |
357 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
399 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
358 | { |
400 | { |
359 | int ev = w->events & events; |
401 | int ev = w->events & revents; |
360 | |
402 | |
361 | if (ev) |
403 | if (ev) |
362 | event (EV_A_ (W)w, ev); |
404 | ev_feed_event (EV_A_ (W)w, ev); |
363 | } |
405 | } |
|
|
406 | } |
|
|
407 | |
|
|
408 | void |
|
|
409 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
410 | { |
|
|
411 | fd_event (EV_A_ fd, revents); |
364 | } |
412 | } |
365 | |
413 | |
366 | /*****************************************************************************/ |
414 | /*****************************************************************************/ |
367 | |
415 | |
368 | static void |
416 | static void |
… | |
… | |
379 | int events = 0; |
427 | int events = 0; |
380 | |
428 | |
381 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
429 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
382 | events |= w->events; |
430 | events |= w->events; |
383 | |
431 | |
|
|
432 | #if EV_SELECT_IS_WINSOCKET |
|
|
433 | if (events) |
|
|
434 | { |
|
|
435 | unsigned long argp; |
|
|
436 | anfd->handle = _get_osfhandle (fd); |
|
|
437 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
438 | } |
|
|
439 | #endif |
|
|
440 | |
384 | anfd->reify = 0; |
441 | anfd->reify = 0; |
385 | |
442 | |
386 | method_modify (EV_A_ fd, anfd->events, events); |
443 | method_modify (EV_A_ fd, anfd->events, events); |
387 | anfd->events = events; |
444 | anfd->events = events; |
388 | } |
445 | } |
… | |
… | |
397 | return; |
454 | return; |
398 | |
455 | |
399 | anfds [fd].reify = 1; |
456 | anfds [fd].reify = 1; |
400 | |
457 | |
401 | ++fdchangecnt; |
458 | ++fdchangecnt; |
402 | array_needsize (fdchanges, fdchangemax, fdchangecnt, (void)); |
459 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
403 | fdchanges [fdchangecnt - 1] = fd; |
460 | fdchanges [fdchangecnt - 1] = fd; |
404 | } |
461 | } |
405 | |
462 | |
406 | static void |
463 | static void |
407 | fd_kill (EV_P_ int fd) |
464 | fd_kill (EV_P_ int fd) |
… | |
… | |
409 | struct ev_io *w; |
466 | struct ev_io *w; |
410 | |
467 | |
411 | while ((w = (struct ev_io *)anfds [fd].head)) |
468 | while ((w = (struct ev_io *)anfds [fd].head)) |
412 | { |
469 | { |
413 | ev_io_stop (EV_A_ w); |
470 | ev_io_stop (EV_A_ w); |
414 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
471 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
415 | } |
472 | } |
416 | } |
473 | } |
417 | |
474 | |
418 | static int |
475 | static int |
419 | fd_valid (int fd) |
476 | fd_valid (int fd) |
420 | { |
477 | { |
421 | #ifdef WIN32 |
478 | #ifdef _WIN32 |
422 | return !!win32_get_osfhandle (fd); |
479 | return _get_osfhandle (fd) != -1; |
423 | #else |
480 | #else |
424 | return fcntl (fd, F_GETFD) != -1; |
481 | return fcntl (fd, F_GETFD) != -1; |
425 | #endif |
482 | #endif |
426 | } |
483 | } |
427 | |
484 | |
… | |
… | |
507 | |
564 | |
508 | heap [k] = w; |
565 | heap [k] = w; |
509 | ((W)heap [k])->active = k + 1; |
566 | ((W)heap [k])->active = k + 1; |
510 | } |
567 | } |
511 | |
568 | |
|
|
569 | inline void |
|
|
570 | adjustheap (WT *heap, int N, int k) |
|
|
571 | { |
|
|
572 | upheap (heap, k); |
|
|
573 | downheap (heap, N, k); |
|
|
574 | } |
|
|
575 | |
512 | /*****************************************************************************/ |
576 | /*****************************************************************************/ |
513 | |
577 | |
514 | typedef struct |
578 | typedef struct |
515 | { |
579 | { |
516 | WL head; |
580 | WL head; |
… | |
… | |
537 | } |
601 | } |
538 | |
602 | |
539 | static void |
603 | static void |
540 | sighandler (int signum) |
604 | sighandler (int signum) |
541 | { |
605 | { |
542 | #if WIN32 |
606 | #if _WIN32 |
543 | signal (signum, sighandler); |
607 | signal (signum, sighandler); |
544 | #endif |
608 | #endif |
545 | |
609 | |
546 | signals [signum - 1].gotsig = 1; |
610 | signals [signum - 1].gotsig = 1; |
547 | |
611 | |
… | |
… | |
552 | write (sigpipe [1], &signum, 1); |
616 | write (sigpipe [1], &signum, 1); |
553 | errno = old_errno; |
617 | errno = old_errno; |
554 | } |
618 | } |
555 | } |
619 | } |
556 | |
620 | |
|
|
621 | void |
|
|
622 | ev_feed_signal_event (EV_P_ int signum) |
|
|
623 | { |
|
|
624 | WL w; |
|
|
625 | |
|
|
626 | #if EV_MULTIPLICITY |
|
|
627 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
628 | #endif |
|
|
629 | |
|
|
630 | --signum; |
|
|
631 | |
|
|
632 | if (signum < 0 || signum >= signalmax) |
|
|
633 | return; |
|
|
634 | |
|
|
635 | signals [signum].gotsig = 0; |
|
|
636 | |
|
|
637 | for (w = signals [signum].head; w; w = w->next) |
|
|
638 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
639 | } |
|
|
640 | |
557 | static void |
641 | static void |
558 | sigcb (EV_P_ struct ev_io *iow, int revents) |
642 | sigcb (EV_P_ struct ev_io *iow, int revents) |
559 | { |
643 | { |
560 | WL w; |
|
|
561 | int signum; |
644 | int signum; |
562 | |
645 | |
563 | read (sigpipe [0], &revents, 1); |
646 | read (sigpipe [0], &revents, 1); |
564 | gotsig = 0; |
647 | gotsig = 0; |
565 | |
648 | |
566 | for (signum = signalmax; signum--; ) |
649 | for (signum = signalmax; signum--; ) |
567 | if (signals [signum].gotsig) |
650 | if (signals [signum].gotsig) |
568 | { |
651 | ev_feed_signal_event (EV_A_ signum + 1); |
569 | signals [signum].gotsig = 0; |
652 | } |
570 | |
653 | |
571 | for (w = signals [signum].head; w; w = w->next) |
654 | inline void |
572 | event (EV_A_ (W)w, EV_SIGNAL); |
655 | fd_intern (int fd) |
573 | } |
656 | { |
|
|
657 | #ifdef _WIN32 |
|
|
658 | int arg = 1; |
|
|
659 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
660 | #else |
|
|
661 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
662 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
663 | #endif |
574 | } |
664 | } |
575 | |
665 | |
576 | static void |
666 | static void |
577 | siginit (EV_P) |
667 | siginit (EV_P) |
578 | { |
668 | { |
579 | #ifndef WIN32 |
669 | fd_intern (sigpipe [0]); |
580 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
670 | fd_intern (sigpipe [1]); |
581 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
582 | |
|
|
583 | /* rather than sort out wether we really need nb, set it */ |
|
|
584 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
585 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
586 | #endif |
|
|
587 | |
671 | |
588 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
672 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
589 | ev_io_start (EV_A_ &sigev); |
673 | ev_io_start (EV_A_ &sigev); |
590 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
674 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
591 | } |
675 | } |
592 | |
676 | |
593 | /*****************************************************************************/ |
677 | /*****************************************************************************/ |
594 | |
678 | |
595 | static struct ev_child *childs [PID_HASHSIZE]; |
679 | static struct ev_child *childs [PID_HASHSIZE]; |
596 | |
680 | |
597 | #ifndef WIN32 |
681 | #ifndef _WIN32 |
598 | |
682 | |
599 | static struct ev_signal childev; |
683 | static struct ev_signal childev; |
600 | |
684 | |
601 | #ifndef WCONTINUED |
685 | #ifndef WCONTINUED |
602 | # define WCONTINUED 0 |
686 | # define WCONTINUED 0 |
… | |
… | |
611 | if (w->pid == pid || !w->pid) |
695 | if (w->pid == pid || !w->pid) |
612 | { |
696 | { |
613 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
697 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
614 | w->rpid = pid; |
698 | w->rpid = pid; |
615 | w->rstatus = status; |
699 | w->rstatus = status; |
616 | event (EV_A_ (W)w, EV_CHILD); |
700 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
617 | } |
701 | } |
618 | } |
702 | } |
619 | |
703 | |
620 | static void |
704 | static void |
621 | childcb (EV_P_ struct ev_signal *sw, int revents) |
705 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
623 | int pid, status; |
707 | int pid, status; |
624 | |
708 | |
625 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
709 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
626 | { |
710 | { |
627 | /* make sure we are called again until all childs have been reaped */ |
711 | /* make sure we are called again until all childs have been reaped */ |
628 | event (EV_A_ (W)sw, EV_SIGNAL); |
712 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
629 | |
713 | |
630 | child_reap (EV_A_ sw, pid, pid, status); |
714 | child_reap (EV_A_ sw, pid, pid, status); |
631 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
715 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
632 | } |
716 | } |
633 | } |
717 | } |
634 | |
718 | |
635 | #endif |
719 | #endif |
636 | |
720 | |
637 | /*****************************************************************************/ |
721 | /*****************************************************************************/ |
638 | |
722 | |
|
|
723 | #if EV_USE_PORT |
|
|
724 | # include "ev_port.c" |
|
|
725 | #endif |
639 | #if EV_USE_KQUEUE |
726 | #if EV_USE_KQUEUE |
640 | # include "ev_kqueue.c" |
727 | # include "ev_kqueue.c" |
641 | #endif |
728 | #endif |
642 | #if EV_USE_EPOLL |
729 | #if EV_USE_EPOLL |
643 | # include "ev_epoll.c" |
730 | # include "ev_epoll.c" |
… | |
… | |
663 | |
750 | |
664 | /* return true if we are running with elevated privileges and should ignore env variables */ |
751 | /* return true if we are running with elevated privileges and should ignore env variables */ |
665 | static int |
752 | static int |
666 | enable_secure (void) |
753 | enable_secure (void) |
667 | { |
754 | { |
668 | #ifdef WIN32 |
755 | #ifdef _WIN32 |
669 | return 0; |
756 | return 0; |
670 | #else |
757 | #else |
671 | return getuid () != geteuid () |
758 | return getuid () != geteuid () |
672 | || getgid () != getegid (); |
759 | || getgid () != getegid (); |
673 | #endif |
760 | #endif |
674 | } |
761 | } |
675 | |
762 | |
676 | int |
763 | unsigned int |
677 | ev_method (EV_P) |
764 | ev_method (EV_P) |
678 | { |
765 | { |
679 | return method; |
766 | return method; |
680 | } |
767 | } |
681 | |
768 | |
682 | static void |
769 | static void |
683 | loop_init (EV_P_ int methods) |
770 | loop_init (EV_P_ unsigned int flags) |
684 | { |
771 | { |
685 | if (!method) |
772 | if (!method) |
686 | { |
773 | { |
687 | #if EV_USE_MONOTONIC |
774 | #if EV_USE_MONOTONIC |
688 | { |
775 | { |
… | |
… | |
690 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
777 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
691 | have_monotonic = 1; |
778 | have_monotonic = 1; |
692 | } |
779 | } |
693 | #endif |
780 | #endif |
694 | |
781 | |
695 | rt_now = ev_time (); |
782 | ev_rt_now = ev_time (); |
696 | mn_now = get_clock (); |
783 | mn_now = get_clock (); |
697 | now_floor = mn_now; |
784 | now_floor = mn_now; |
698 | rtmn_diff = rt_now - mn_now; |
785 | rtmn_diff = ev_rt_now - mn_now; |
699 | |
786 | |
700 | if (methods == EVMETHOD_AUTO) |
787 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
701 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
702 | methods = atoi (getenv ("LIBEV_METHODS")); |
788 | flags = atoi (getenv ("LIBEV_FLAGS")); |
703 | else |
789 | |
704 | methods = EVMETHOD_ANY; |
790 | if (!(flags & 0x0000ffff)) |
|
|
791 | flags |= 0x0000ffff; |
705 | |
792 | |
706 | method = 0; |
793 | method = 0; |
707 | #if EV_USE_WIN32 |
794 | #if EV_USE_PORT |
708 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
795 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
709 | #endif |
796 | #endif |
710 | #if EV_USE_KQUEUE |
797 | #if EV_USE_KQUEUE |
711 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
798 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
712 | #endif |
799 | #endif |
713 | #if EV_USE_EPOLL |
800 | #if EV_USE_EPOLL |
714 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
801 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
715 | #endif |
802 | #endif |
716 | #if EV_USE_POLL |
803 | #if EV_USE_POLL |
717 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
804 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
718 | #endif |
805 | #endif |
719 | #if EV_USE_SELECT |
806 | #if EV_USE_SELECT |
720 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
807 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
721 | #endif |
808 | #endif |
722 | |
809 | |
723 | ev_watcher_init (&sigev, sigcb); |
810 | ev_init (&sigev, sigcb); |
724 | ev_set_priority (&sigev, EV_MAXPRI); |
811 | ev_set_priority (&sigev, EV_MAXPRI); |
725 | } |
812 | } |
726 | } |
813 | } |
727 | |
814 | |
728 | void |
815 | void |
729 | loop_destroy (EV_P) |
816 | loop_destroy (EV_P) |
730 | { |
817 | { |
731 | int i; |
818 | int i; |
732 | |
819 | |
733 | #if EV_USE_WIN32 |
820 | #if EV_USE_PORT |
734 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
821 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
735 | #endif |
822 | #endif |
736 | #if EV_USE_KQUEUE |
823 | #if EV_USE_KQUEUE |
737 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
824 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
738 | #endif |
825 | #endif |
739 | #if EV_USE_EPOLL |
826 | #if EV_USE_EPOLL |
… | |
… | |
748 | |
835 | |
749 | for (i = NUMPRI; i--; ) |
836 | for (i = NUMPRI; i--; ) |
750 | array_free (pending, [i]); |
837 | array_free (pending, [i]); |
751 | |
838 | |
752 | /* have to use the microsoft-never-gets-it-right macro */ |
839 | /* have to use the microsoft-never-gets-it-right macro */ |
753 | array_free_microshit (fdchange); |
840 | array_free (fdchange, EMPTY0); |
754 | array_free_microshit (timer); |
841 | array_free (timer, EMPTY0); |
755 | array_free_microshit (periodic); |
842 | #if EV_PERIODICS |
756 | array_free_microshit (idle); |
843 | array_free (periodic, EMPTY0); |
757 | array_free_microshit (prepare); |
844 | #endif |
758 | array_free_microshit (check); |
845 | array_free (idle, EMPTY0); |
|
|
846 | array_free (prepare, EMPTY0); |
|
|
847 | array_free (check, EMPTY0); |
759 | |
848 | |
760 | method = 0; |
849 | method = 0; |
761 | } |
850 | } |
762 | |
851 | |
763 | static void |
852 | static void |
764 | loop_fork (EV_P) |
853 | loop_fork (EV_P) |
765 | { |
854 | { |
|
|
855 | #if EV_USE_PORT |
|
|
856 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
|
|
857 | #endif |
|
|
858 | #if EV_USE_KQUEUE |
|
|
859 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
860 | #endif |
766 | #if EV_USE_EPOLL |
861 | #if EV_USE_EPOLL |
767 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
862 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
768 | #endif |
|
|
769 | #if EV_USE_KQUEUE |
|
|
770 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
771 | #endif |
863 | #endif |
772 | |
864 | |
773 | if (ev_is_active (&sigev)) |
865 | if (ev_is_active (&sigev)) |
774 | { |
866 | { |
775 | /* default loop */ |
867 | /* default loop */ |
… | |
… | |
788 | postfork = 0; |
880 | postfork = 0; |
789 | } |
881 | } |
790 | |
882 | |
791 | #if EV_MULTIPLICITY |
883 | #if EV_MULTIPLICITY |
792 | struct ev_loop * |
884 | struct ev_loop * |
793 | ev_loop_new (int methods) |
885 | ev_loop_new (unsigned int flags) |
794 | { |
886 | { |
795 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
887 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
796 | |
888 | |
797 | memset (loop, 0, sizeof (struct ev_loop)); |
889 | memset (loop, 0, sizeof (struct ev_loop)); |
798 | |
890 | |
799 | loop_init (EV_A_ methods); |
891 | loop_init (EV_A_ flags); |
800 | |
892 | |
801 | if (ev_method (EV_A)) |
893 | if (ev_method (EV_A)) |
802 | return loop; |
894 | return loop; |
803 | |
895 | |
804 | return 0; |
896 | return 0; |
… | |
… | |
818 | } |
910 | } |
819 | |
911 | |
820 | #endif |
912 | #endif |
821 | |
913 | |
822 | #if EV_MULTIPLICITY |
914 | #if EV_MULTIPLICITY |
823 | struct ev_loop default_loop_struct; |
|
|
824 | static struct ev_loop *default_loop; |
|
|
825 | |
|
|
826 | struct ev_loop * |
915 | struct ev_loop * |
|
|
916 | ev_default_loop_ (unsigned int flags) |
827 | #else |
917 | #else |
828 | static int default_loop; |
|
|
829 | |
|
|
830 | int |
918 | int |
|
|
919 | ev_default_loop (unsigned int flags) |
831 | #endif |
920 | #endif |
832 | ev_default_loop (int methods) |
|
|
833 | { |
921 | { |
834 | if (sigpipe [0] == sigpipe [1]) |
922 | if (sigpipe [0] == sigpipe [1]) |
835 | if (pipe (sigpipe)) |
923 | if (pipe (sigpipe)) |
836 | return 0; |
924 | return 0; |
837 | |
925 | |
838 | if (!default_loop) |
926 | if (!ev_default_loop_ptr) |
839 | { |
927 | { |
840 | #if EV_MULTIPLICITY |
928 | #if EV_MULTIPLICITY |
841 | struct ev_loop *loop = default_loop = &default_loop_struct; |
929 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
842 | #else |
930 | #else |
843 | default_loop = 1; |
931 | ev_default_loop_ptr = 1; |
844 | #endif |
932 | #endif |
845 | |
933 | |
846 | loop_init (EV_A_ methods); |
934 | loop_init (EV_A_ flags); |
847 | |
935 | |
848 | if (ev_method (EV_A)) |
936 | if (ev_method (EV_A)) |
849 | { |
937 | { |
850 | siginit (EV_A); |
938 | siginit (EV_A); |
851 | |
939 | |
852 | #ifndef WIN32 |
940 | #ifndef _WIN32 |
853 | ev_signal_init (&childev, childcb, SIGCHLD); |
941 | ev_signal_init (&childev, childcb, SIGCHLD); |
854 | ev_set_priority (&childev, EV_MAXPRI); |
942 | ev_set_priority (&childev, EV_MAXPRI); |
855 | ev_signal_start (EV_A_ &childev); |
943 | ev_signal_start (EV_A_ &childev); |
856 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
944 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
857 | #endif |
945 | #endif |
858 | } |
946 | } |
859 | else |
947 | else |
860 | default_loop = 0; |
948 | ev_default_loop_ptr = 0; |
861 | } |
949 | } |
862 | |
950 | |
863 | return default_loop; |
951 | return ev_default_loop_ptr; |
864 | } |
952 | } |
865 | |
953 | |
866 | void |
954 | void |
867 | ev_default_destroy (void) |
955 | ev_default_destroy (void) |
868 | { |
956 | { |
869 | #if EV_MULTIPLICITY |
957 | #if EV_MULTIPLICITY |
870 | struct ev_loop *loop = default_loop; |
958 | struct ev_loop *loop = ev_default_loop_ptr; |
871 | #endif |
959 | #endif |
872 | |
960 | |
873 | #ifndef WIN32 |
961 | #ifndef _WIN32 |
874 | ev_ref (EV_A); /* child watcher */ |
962 | ev_ref (EV_A); /* child watcher */ |
875 | ev_signal_stop (EV_A_ &childev); |
963 | ev_signal_stop (EV_A_ &childev); |
876 | #endif |
964 | #endif |
877 | |
965 | |
878 | ev_ref (EV_A); /* signal watcher */ |
966 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
886 | |
974 | |
887 | void |
975 | void |
888 | ev_default_fork (void) |
976 | ev_default_fork (void) |
889 | { |
977 | { |
890 | #if EV_MULTIPLICITY |
978 | #if EV_MULTIPLICITY |
891 | struct ev_loop *loop = default_loop; |
979 | struct ev_loop *loop = ev_default_loop_ptr; |
892 | #endif |
980 | #endif |
893 | |
981 | |
894 | if (method) |
982 | if (method) |
895 | postfork = 1; |
983 | postfork = 1; |
896 | } |
984 | } |
897 | |
985 | |
898 | /*****************************************************************************/ |
986 | /*****************************************************************************/ |
|
|
987 | |
|
|
988 | static int |
|
|
989 | any_pending (EV_P) |
|
|
990 | { |
|
|
991 | int pri; |
|
|
992 | |
|
|
993 | for (pri = NUMPRI; pri--; ) |
|
|
994 | if (pendingcnt [pri]) |
|
|
995 | return 1; |
|
|
996 | |
|
|
997 | return 0; |
|
|
998 | } |
899 | |
999 | |
900 | static void |
1000 | static void |
901 | call_pending (EV_P) |
1001 | call_pending (EV_P) |
902 | { |
1002 | { |
903 | int pri; |
1003 | int pri; |
… | |
… | |
908 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1008 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
909 | |
1009 | |
910 | if (p->w) |
1010 | if (p->w) |
911 | { |
1011 | { |
912 | p->w->pending = 0; |
1012 | p->w->pending = 0; |
913 | p->w->cb (EV_A_ p->w, p->events); |
1013 | EV_CB_INVOKE (p->w, p->events); |
914 | } |
1014 | } |
915 | } |
1015 | } |
916 | } |
1016 | } |
917 | |
1017 | |
918 | static void |
1018 | static void |
… | |
… | |
926 | |
1026 | |
927 | /* first reschedule or stop timer */ |
1027 | /* first reschedule or stop timer */ |
928 | if (w->repeat) |
1028 | if (w->repeat) |
929 | { |
1029 | { |
930 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1030 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1031 | |
931 | ((WT)w)->at = mn_now + w->repeat; |
1032 | ((WT)w)->at += w->repeat; |
|
|
1033 | if (((WT)w)->at < mn_now) |
|
|
1034 | ((WT)w)->at = mn_now; |
|
|
1035 | |
932 | downheap ((WT *)timers, timercnt, 0); |
1036 | downheap ((WT *)timers, timercnt, 0); |
933 | } |
1037 | } |
934 | else |
1038 | else |
935 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1039 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
936 | |
1040 | |
937 | event (EV_A_ (W)w, EV_TIMEOUT); |
1041 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
938 | } |
1042 | } |
939 | } |
1043 | } |
940 | |
1044 | |
|
|
1045 | #if EV_PERIODICS |
941 | static void |
1046 | static void |
942 | periodics_reify (EV_P) |
1047 | periodics_reify (EV_P) |
943 | { |
1048 | { |
944 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1049 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
945 | { |
1050 | { |
946 | struct ev_periodic *w = periodics [0]; |
1051 | struct ev_periodic *w = periodics [0]; |
947 | |
1052 | |
948 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1053 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
949 | |
1054 | |
950 | /* first reschedule or stop timer */ |
1055 | /* first reschedule or stop timer */ |
951 | if (w->interval) |
1056 | if (w->reschedule_cb) |
952 | { |
1057 | { |
|
|
1058 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1059 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1060 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1061 | } |
|
|
1062 | else if (w->interval) |
|
|
1063 | { |
953 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1064 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
954 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1065 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
955 | downheap ((WT *)periodics, periodiccnt, 0); |
1066 | downheap ((WT *)periodics, periodiccnt, 0); |
956 | } |
1067 | } |
957 | else |
1068 | else |
958 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1069 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
959 | |
1070 | |
960 | event (EV_A_ (W)w, EV_PERIODIC); |
1071 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
961 | } |
1072 | } |
962 | } |
1073 | } |
963 | |
1074 | |
964 | static void |
1075 | static void |
965 | periodics_reschedule (EV_P) |
1076 | periodics_reschedule (EV_P) |
… | |
… | |
969 | /* adjust periodics after time jump */ |
1080 | /* adjust periodics after time jump */ |
970 | for (i = 0; i < periodiccnt; ++i) |
1081 | for (i = 0; i < periodiccnt; ++i) |
971 | { |
1082 | { |
972 | struct ev_periodic *w = periodics [i]; |
1083 | struct ev_periodic *w = periodics [i]; |
973 | |
1084 | |
|
|
1085 | if (w->reschedule_cb) |
|
|
1086 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
974 | if (w->interval) |
1087 | else if (w->interval) |
975 | { |
|
|
976 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1088 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
977 | |
|
|
978 | if (fabs (diff) >= 1e-4) |
|
|
979 | { |
|
|
980 | ev_periodic_stop (EV_A_ w); |
|
|
981 | ev_periodic_start (EV_A_ w); |
|
|
982 | |
|
|
983 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
984 | } |
|
|
985 | } |
|
|
986 | } |
1089 | } |
|
|
1090 | |
|
|
1091 | /* now rebuild the heap */ |
|
|
1092 | for (i = periodiccnt >> 1; i--; ) |
|
|
1093 | downheap ((WT *)periodics, periodiccnt, i); |
987 | } |
1094 | } |
|
|
1095 | #endif |
988 | |
1096 | |
989 | inline int |
1097 | inline int |
990 | time_update_monotonic (EV_P) |
1098 | time_update_monotonic (EV_P) |
991 | { |
1099 | { |
992 | mn_now = get_clock (); |
1100 | mn_now = get_clock (); |
993 | |
1101 | |
994 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1102 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
995 | { |
1103 | { |
996 | rt_now = rtmn_diff + mn_now; |
1104 | ev_rt_now = rtmn_diff + mn_now; |
997 | return 0; |
1105 | return 0; |
998 | } |
1106 | } |
999 | else |
1107 | else |
1000 | { |
1108 | { |
1001 | now_floor = mn_now; |
1109 | now_floor = mn_now; |
1002 | rt_now = ev_time (); |
1110 | ev_rt_now = ev_time (); |
1003 | return 1; |
1111 | return 1; |
1004 | } |
1112 | } |
1005 | } |
1113 | } |
1006 | |
1114 | |
1007 | static void |
1115 | static void |
… | |
… | |
1016 | { |
1124 | { |
1017 | ev_tstamp odiff = rtmn_diff; |
1125 | ev_tstamp odiff = rtmn_diff; |
1018 | |
1126 | |
1019 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1127 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1020 | { |
1128 | { |
1021 | rtmn_diff = rt_now - mn_now; |
1129 | rtmn_diff = ev_rt_now - mn_now; |
1022 | |
1130 | |
1023 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1131 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1024 | return; /* all is well */ |
1132 | return; /* all is well */ |
1025 | |
1133 | |
1026 | rt_now = ev_time (); |
1134 | ev_rt_now = ev_time (); |
1027 | mn_now = get_clock (); |
1135 | mn_now = get_clock (); |
1028 | now_floor = mn_now; |
1136 | now_floor = mn_now; |
1029 | } |
1137 | } |
1030 | |
1138 | |
|
|
1139 | # if EV_PERIODICS |
1031 | periodics_reschedule (EV_A); |
1140 | periodics_reschedule (EV_A); |
|
|
1141 | # endif |
1032 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1142 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1033 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1143 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1034 | } |
1144 | } |
1035 | } |
1145 | } |
1036 | else |
1146 | else |
1037 | #endif |
1147 | #endif |
1038 | { |
1148 | { |
1039 | rt_now = ev_time (); |
1149 | ev_rt_now = ev_time (); |
1040 | |
1150 | |
1041 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1151 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1042 | { |
1152 | { |
|
|
1153 | #if EV_PERIODICS |
1043 | periodics_reschedule (EV_A); |
1154 | periodics_reschedule (EV_A); |
|
|
1155 | #endif |
1044 | |
1156 | |
1045 | /* adjust timers. this is easy, as the offset is the same for all */ |
1157 | /* adjust timers. this is easy, as the offset is the same for all */ |
1046 | for (i = 0; i < timercnt; ++i) |
1158 | for (i = 0; i < timercnt; ++i) |
1047 | ((WT)timers [i])->at += rt_now - mn_now; |
1159 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1048 | } |
1160 | } |
1049 | |
1161 | |
1050 | mn_now = rt_now; |
1162 | mn_now = ev_rt_now; |
1051 | } |
1163 | } |
1052 | } |
1164 | } |
1053 | |
1165 | |
1054 | void |
1166 | void |
1055 | ev_ref (EV_P) |
1167 | ev_ref (EV_P) |
… | |
… | |
1069 | ev_loop (EV_P_ int flags) |
1181 | ev_loop (EV_P_ int flags) |
1070 | { |
1182 | { |
1071 | double block; |
1183 | double block; |
1072 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1184 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1073 | |
1185 | |
1074 | do |
1186 | while (activecnt) |
1075 | { |
1187 | { |
1076 | /* queue check watchers (and execute them) */ |
1188 | /* queue check watchers (and execute them) */ |
1077 | if (expect_false (preparecnt)) |
1189 | if (expect_false (preparecnt)) |
1078 | { |
1190 | { |
1079 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1191 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1087 | /* update fd-related kernel structures */ |
1199 | /* update fd-related kernel structures */ |
1088 | fd_reify (EV_A); |
1200 | fd_reify (EV_A); |
1089 | |
1201 | |
1090 | /* calculate blocking time */ |
1202 | /* calculate blocking time */ |
1091 | |
1203 | |
1092 | /* we only need this for !monotonic clockor timers, but as we basically |
1204 | /* we only need this for !monotonic clock or timers, but as we basically |
1093 | always have timers, we just calculate it always */ |
1205 | always have timers, we just calculate it always */ |
1094 | #if EV_USE_MONOTONIC |
1206 | #if EV_USE_MONOTONIC |
1095 | if (expect_true (have_monotonic)) |
1207 | if (expect_true (have_monotonic)) |
1096 | time_update_monotonic (EV_A); |
1208 | time_update_monotonic (EV_A); |
1097 | else |
1209 | else |
1098 | #endif |
1210 | #endif |
1099 | { |
1211 | { |
1100 | rt_now = ev_time (); |
1212 | ev_rt_now = ev_time (); |
1101 | mn_now = rt_now; |
1213 | mn_now = ev_rt_now; |
1102 | } |
1214 | } |
1103 | |
1215 | |
1104 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1216 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1105 | block = 0.; |
1217 | block = 0.; |
1106 | else |
1218 | else |
… | |
… | |
1111 | { |
1223 | { |
1112 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1224 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1113 | if (block > to) block = to; |
1225 | if (block > to) block = to; |
1114 | } |
1226 | } |
1115 | |
1227 | |
|
|
1228 | #if EV_PERIODICS |
1116 | if (periodiccnt) |
1229 | if (periodiccnt) |
1117 | { |
1230 | { |
1118 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1231 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1119 | if (block > to) block = to; |
1232 | if (block > to) block = to; |
1120 | } |
1233 | } |
|
|
1234 | #endif |
1121 | |
1235 | |
1122 | if (block < 0.) block = 0.; |
1236 | if (block < 0.) block = 0.; |
1123 | } |
1237 | } |
1124 | |
1238 | |
1125 | method_poll (EV_A_ block); |
1239 | method_poll (EV_A_ block); |
1126 | |
1240 | |
1127 | /* update rt_now, do magic */ |
1241 | /* update ev_rt_now, do magic */ |
1128 | time_update (EV_A); |
1242 | time_update (EV_A); |
1129 | |
1243 | |
1130 | /* queue pending timers and reschedule them */ |
1244 | /* queue pending timers and reschedule them */ |
1131 | timers_reify (EV_A); /* relative timers called last */ |
1245 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1246 | #if EV_PERIODICS |
1132 | periodics_reify (EV_A); /* absolute timers called first */ |
1247 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1248 | #endif |
1133 | |
1249 | |
1134 | /* queue idle watchers unless io or timers are pending */ |
1250 | /* queue idle watchers unless io or timers are pending */ |
1135 | if (!pendingcnt) |
1251 | if (idlecnt && !any_pending (EV_A)) |
1136 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1252 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1137 | |
1253 | |
1138 | /* queue check watchers, to be executed first */ |
1254 | /* queue check watchers, to be executed first */ |
1139 | if (checkcnt) |
1255 | if (checkcnt) |
1140 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1256 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1141 | |
1257 | |
1142 | call_pending (EV_A); |
1258 | call_pending (EV_A); |
|
|
1259 | |
|
|
1260 | if (loop_done) |
|
|
1261 | break; |
1143 | } |
1262 | } |
1144 | while (activecnt && !loop_done); |
|
|
1145 | |
1263 | |
1146 | if (loop_done != 2) |
1264 | if (loop_done != 2) |
1147 | loop_done = 0; |
1265 | loop_done = 0; |
1148 | } |
1266 | } |
1149 | |
1267 | |
… | |
… | |
1215 | return; |
1333 | return; |
1216 | |
1334 | |
1217 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1335 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1218 | |
1336 | |
1219 | ev_start (EV_A_ (W)w, 1); |
1337 | ev_start (EV_A_ (W)w, 1); |
1220 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1338 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1221 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1339 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1222 | |
1340 | |
1223 | fd_change (EV_A_ fd); |
1341 | fd_change (EV_A_ fd); |
1224 | } |
1342 | } |
1225 | |
1343 | |
… | |
… | |
1228 | { |
1346 | { |
1229 | ev_clear_pending (EV_A_ (W)w); |
1347 | ev_clear_pending (EV_A_ (W)w); |
1230 | if (!ev_is_active (w)) |
1348 | if (!ev_is_active (w)) |
1231 | return; |
1349 | return; |
1232 | |
1350 | |
|
|
1351 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1352 | |
1233 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1353 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1234 | ev_stop (EV_A_ (W)w); |
1354 | ev_stop (EV_A_ (W)w); |
1235 | |
1355 | |
1236 | fd_change (EV_A_ w->fd); |
1356 | fd_change (EV_A_ w->fd); |
1237 | } |
1357 | } |
… | |
… | |
1245 | ((WT)w)->at += mn_now; |
1365 | ((WT)w)->at += mn_now; |
1246 | |
1366 | |
1247 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1367 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1248 | |
1368 | |
1249 | ev_start (EV_A_ (W)w, ++timercnt); |
1369 | ev_start (EV_A_ (W)w, ++timercnt); |
1250 | array_needsize (timers, timermax, timercnt, (void)); |
1370 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1251 | timers [timercnt - 1] = w; |
1371 | timers [timercnt - 1] = w; |
1252 | upheap ((WT *)timers, timercnt - 1); |
1372 | upheap ((WT *)timers, timercnt - 1); |
1253 | |
1373 | |
1254 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1374 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1255 | } |
1375 | } |
… | |
… | |
1264 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1384 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1265 | |
1385 | |
1266 | if (((W)w)->active < timercnt--) |
1386 | if (((W)w)->active < timercnt--) |
1267 | { |
1387 | { |
1268 | timers [((W)w)->active - 1] = timers [timercnt]; |
1388 | timers [((W)w)->active - 1] = timers [timercnt]; |
1269 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1389 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1270 | } |
1390 | } |
1271 | |
1391 | |
1272 | ((WT)w)->at = w->repeat; |
1392 | ((WT)w)->at -= mn_now; |
1273 | |
1393 | |
1274 | ev_stop (EV_A_ (W)w); |
1394 | ev_stop (EV_A_ (W)w); |
1275 | } |
1395 | } |
1276 | |
1396 | |
1277 | void |
1397 | void |
… | |
… | |
1280 | if (ev_is_active (w)) |
1400 | if (ev_is_active (w)) |
1281 | { |
1401 | { |
1282 | if (w->repeat) |
1402 | if (w->repeat) |
1283 | { |
1403 | { |
1284 | ((WT)w)->at = mn_now + w->repeat; |
1404 | ((WT)w)->at = mn_now + w->repeat; |
1285 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1405 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1286 | } |
1406 | } |
1287 | else |
1407 | else |
1288 | ev_timer_stop (EV_A_ w); |
1408 | ev_timer_stop (EV_A_ w); |
1289 | } |
1409 | } |
1290 | else if (w->repeat) |
1410 | else if (w->repeat) |
|
|
1411 | { |
|
|
1412 | w->at = w->repeat; |
1291 | ev_timer_start (EV_A_ w); |
1413 | ev_timer_start (EV_A_ w); |
|
|
1414 | } |
1292 | } |
1415 | } |
1293 | |
1416 | |
|
|
1417 | #if EV_PERIODICS |
1294 | void |
1418 | void |
1295 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1419 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1296 | { |
1420 | { |
1297 | if (ev_is_active (w)) |
1421 | if (ev_is_active (w)) |
1298 | return; |
1422 | return; |
1299 | |
1423 | |
|
|
1424 | if (w->reschedule_cb) |
|
|
1425 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1426 | else if (w->interval) |
|
|
1427 | { |
1300 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1428 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1301 | |
|
|
1302 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1429 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1303 | if (w->interval) |
|
|
1304 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1430 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1431 | } |
1305 | |
1432 | |
1306 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1433 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1307 | array_needsize (periodics, periodicmax, periodiccnt, (void)); |
1434 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1308 | periodics [periodiccnt - 1] = w; |
1435 | periodics [periodiccnt - 1] = w; |
1309 | upheap ((WT *)periodics, periodiccnt - 1); |
1436 | upheap ((WT *)periodics, periodiccnt - 1); |
1310 | |
1437 | |
1311 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1438 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1312 | } |
1439 | } |
… | |
… | |
1321 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1448 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1322 | |
1449 | |
1323 | if (((W)w)->active < periodiccnt--) |
1450 | if (((W)w)->active < periodiccnt--) |
1324 | { |
1451 | { |
1325 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1452 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1326 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1453 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1327 | } |
1454 | } |
1328 | |
1455 | |
1329 | ev_stop (EV_A_ (W)w); |
1456 | ev_stop (EV_A_ (W)w); |
1330 | } |
1457 | } |
1331 | |
1458 | |
1332 | void |
1459 | void |
|
|
1460 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1461 | { |
|
|
1462 | /* TODO: use adjustheap and recalculation */ |
|
|
1463 | ev_periodic_stop (EV_A_ w); |
|
|
1464 | ev_periodic_start (EV_A_ w); |
|
|
1465 | } |
|
|
1466 | #endif |
|
|
1467 | |
|
|
1468 | void |
1333 | ev_idle_start (EV_P_ struct ev_idle *w) |
1469 | ev_idle_start (EV_P_ struct ev_idle *w) |
1334 | { |
1470 | { |
1335 | if (ev_is_active (w)) |
1471 | if (ev_is_active (w)) |
1336 | return; |
1472 | return; |
1337 | |
1473 | |
1338 | ev_start (EV_A_ (W)w, ++idlecnt); |
1474 | ev_start (EV_A_ (W)w, ++idlecnt); |
1339 | array_needsize (idles, idlemax, idlecnt, (void)); |
1475 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1340 | idles [idlecnt - 1] = w; |
1476 | idles [idlecnt - 1] = w; |
1341 | } |
1477 | } |
1342 | |
1478 | |
1343 | void |
1479 | void |
1344 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1480 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1345 | { |
1481 | { |
1346 | ev_clear_pending (EV_A_ (W)w); |
1482 | ev_clear_pending (EV_A_ (W)w); |
1347 | if (ev_is_active (w)) |
1483 | if (!ev_is_active (w)) |
1348 | return; |
1484 | return; |
1349 | |
1485 | |
1350 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1486 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1351 | ev_stop (EV_A_ (W)w); |
1487 | ev_stop (EV_A_ (W)w); |
1352 | } |
1488 | } |
… | |
… | |
1356 | { |
1492 | { |
1357 | if (ev_is_active (w)) |
1493 | if (ev_is_active (w)) |
1358 | return; |
1494 | return; |
1359 | |
1495 | |
1360 | ev_start (EV_A_ (W)w, ++preparecnt); |
1496 | ev_start (EV_A_ (W)w, ++preparecnt); |
1361 | array_needsize (prepares, preparemax, preparecnt, (void)); |
1497 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1362 | prepares [preparecnt - 1] = w; |
1498 | prepares [preparecnt - 1] = w; |
1363 | } |
1499 | } |
1364 | |
1500 | |
1365 | void |
1501 | void |
1366 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1502 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1367 | { |
1503 | { |
1368 | ev_clear_pending (EV_A_ (W)w); |
1504 | ev_clear_pending (EV_A_ (W)w); |
1369 | if (ev_is_active (w)) |
1505 | if (!ev_is_active (w)) |
1370 | return; |
1506 | return; |
1371 | |
1507 | |
1372 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1508 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1373 | ev_stop (EV_A_ (W)w); |
1509 | ev_stop (EV_A_ (W)w); |
1374 | } |
1510 | } |
… | |
… | |
1378 | { |
1514 | { |
1379 | if (ev_is_active (w)) |
1515 | if (ev_is_active (w)) |
1380 | return; |
1516 | return; |
1381 | |
1517 | |
1382 | ev_start (EV_A_ (W)w, ++checkcnt); |
1518 | ev_start (EV_A_ (W)w, ++checkcnt); |
1383 | array_needsize (checks, checkmax, checkcnt, (void)); |
1519 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1384 | checks [checkcnt - 1] = w; |
1520 | checks [checkcnt - 1] = w; |
1385 | } |
1521 | } |
1386 | |
1522 | |
1387 | void |
1523 | void |
1388 | ev_check_stop (EV_P_ struct ev_check *w) |
1524 | ev_check_stop (EV_P_ struct ev_check *w) |
1389 | { |
1525 | { |
1390 | ev_clear_pending (EV_A_ (W)w); |
1526 | ev_clear_pending (EV_A_ (W)w); |
1391 | if (ev_is_active (w)) |
1527 | if (!ev_is_active (w)) |
1392 | return; |
1528 | return; |
1393 | |
1529 | |
1394 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1530 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1395 | ev_stop (EV_A_ (W)w); |
1531 | ev_stop (EV_A_ (W)w); |
1396 | } |
1532 | } |
… | |
… | |
1401 | |
1537 | |
1402 | void |
1538 | void |
1403 | ev_signal_start (EV_P_ struct ev_signal *w) |
1539 | ev_signal_start (EV_P_ struct ev_signal *w) |
1404 | { |
1540 | { |
1405 | #if EV_MULTIPLICITY |
1541 | #if EV_MULTIPLICITY |
1406 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1542 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1407 | #endif |
1543 | #endif |
1408 | if (ev_is_active (w)) |
1544 | if (ev_is_active (w)) |
1409 | return; |
1545 | return; |
1410 | |
1546 | |
1411 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1547 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1412 | |
1548 | |
1413 | ev_start (EV_A_ (W)w, 1); |
1549 | ev_start (EV_A_ (W)w, 1); |
1414 | array_needsize (signals, signalmax, w->signum, signals_init); |
1550 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1415 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1551 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1416 | |
1552 | |
1417 | if (!((WL)w)->next) |
1553 | if (!((WL)w)->next) |
1418 | { |
1554 | { |
1419 | #if WIN32 |
1555 | #if _WIN32 |
1420 | signal (w->signum, sighandler); |
1556 | signal (w->signum, sighandler); |
1421 | #else |
1557 | #else |
1422 | struct sigaction sa; |
1558 | struct sigaction sa; |
1423 | sa.sa_handler = sighandler; |
1559 | sa.sa_handler = sighandler; |
1424 | sigfillset (&sa.sa_mask); |
1560 | sigfillset (&sa.sa_mask); |
… | |
… | |
1444 | |
1580 | |
1445 | void |
1581 | void |
1446 | ev_child_start (EV_P_ struct ev_child *w) |
1582 | ev_child_start (EV_P_ struct ev_child *w) |
1447 | { |
1583 | { |
1448 | #if EV_MULTIPLICITY |
1584 | #if EV_MULTIPLICITY |
1449 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1585 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1450 | #endif |
1586 | #endif |
1451 | if (ev_is_active (w)) |
1587 | if (ev_is_active (w)) |
1452 | return; |
1588 | return; |
1453 | |
1589 | |
1454 | ev_start (EV_A_ (W)w, 1); |
1590 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1457 | |
1593 | |
1458 | void |
1594 | void |
1459 | ev_child_stop (EV_P_ struct ev_child *w) |
1595 | ev_child_stop (EV_P_ struct ev_child *w) |
1460 | { |
1596 | { |
1461 | ev_clear_pending (EV_A_ (W)w); |
1597 | ev_clear_pending (EV_A_ (W)w); |
1462 | if (ev_is_active (w)) |
1598 | if (!ev_is_active (w)) |
1463 | return; |
1599 | return; |
1464 | |
1600 | |
1465 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1601 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1466 | ev_stop (EV_A_ (W)w); |
1602 | ev_stop (EV_A_ (W)w); |
1467 | } |
1603 | } |
… | |
… | |
1502 | } |
1638 | } |
1503 | |
1639 | |
1504 | void |
1640 | void |
1505 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1641 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1506 | { |
1642 | { |
1507 | struct ev_once *once = ev_malloc (sizeof (struct ev_once)); |
1643 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1508 | |
1644 | |
1509 | if (!once) |
1645 | if (!once) |
1510 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1646 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1511 | else |
1647 | else |
1512 | { |
1648 | { |
1513 | once->cb = cb; |
1649 | once->cb = cb; |
1514 | once->arg = arg; |
1650 | once->arg = arg; |
1515 | |
1651 | |
1516 | ev_watcher_init (&once->io, once_cb_io); |
1652 | ev_init (&once->io, once_cb_io); |
1517 | if (fd >= 0) |
1653 | if (fd >= 0) |
1518 | { |
1654 | { |
1519 | ev_io_set (&once->io, fd, events); |
1655 | ev_io_set (&once->io, fd, events); |
1520 | ev_io_start (EV_A_ &once->io); |
1656 | ev_io_start (EV_A_ &once->io); |
1521 | } |
1657 | } |
1522 | |
1658 | |
1523 | ev_watcher_init (&once->to, once_cb_to); |
1659 | ev_init (&once->to, once_cb_to); |
1524 | if (timeout >= 0.) |
1660 | if (timeout >= 0.) |
1525 | { |
1661 | { |
1526 | ev_timer_set (&once->to, timeout, 0.); |
1662 | ev_timer_set (&once->to, timeout, 0.); |
1527 | ev_timer_start (EV_A_ &once->to); |
1663 | ev_timer_start (EV_A_ &once->to); |
1528 | } |
1664 | } |
1529 | } |
1665 | } |
1530 | } |
1666 | } |
1531 | |
1667 | |
|
|
1668 | #ifdef __cplusplus |
|
|
1669 | } |
|
|
1670 | #endif |
|
|
1671 | |