… | |
… | |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
|
|
31 | |
|
|
32 | #ifdef __cplusplus |
|
|
33 | extern "C" { |
|
|
34 | #endif |
|
|
35 | |
31 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
37 | # include "config.h" |
33 | |
38 | |
34 | # if HAVE_CLOCK_GETTIME |
39 | # if HAVE_CLOCK_GETTIME |
|
|
40 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
|
|
42 | # endif |
|
|
43 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
|
|
45 | # endif |
37 | # endif |
46 | # endif |
38 | |
47 | |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
40 | # define EV_USE_SELECT 1 |
49 | # define EV_USE_SELECT 1 |
41 | # endif |
50 | # endif |
42 | |
51 | |
43 | # if HAVE_POLL && HAVE_POLL_H |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
44 | # define EV_USE_POLL 1 |
53 | # define EV_USE_POLL 1 |
45 | # endif |
54 | # endif |
46 | |
55 | |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
48 | # define EV_USE_EPOLL 1 |
57 | # define EV_USE_EPOLL 1 |
49 | # endif |
58 | # endif |
50 | |
59 | |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
52 | # define EV_USE_KQUEUE 1 |
61 | # define EV_USE_KQUEUE 1 |
53 | # endif |
62 | # endif |
54 | |
63 | |
55 | #endif |
64 | #endif |
56 | |
65 | |
57 | #include <math.h> |
66 | #include <math.h> |
58 | #include <stdlib.h> |
67 | #include <stdlib.h> |
59 | #include <unistd.h> |
|
|
60 | #include <fcntl.h> |
68 | #include <fcntl.h> |
61 | #include <signal.h> |
|
|
62 | #include <stddef.h> |
69 | #include <stddef.h> |
63 | |
70 | |
64 | #include <stdio.h> |
71 | #include <stdio.h> |
65 | |
72 | |
66 | #include <assert.h> |
73 | #include <assert.h> |
67 | #include <errno.h> |
74 | #include <errno.h> |
68 | #include <sys/types.h> |
75 | #include <sys/types.h> |
|
|
76 | #include <time.h> |
|
|
77 | |
|
|
78 | #include <signal.h> |
|
|
79 | |
69 | #ifndef WIN32 |
80 | #ifndef _WIN32 |
|
|
81 | # include <unistd.h> |
|
|
82 | # include <sys/time.h> |
70 | # include <sys/wait.h> |
83 | # include <sys/wait.h> |
|
|
84 | #else |
|
|
85 | # define WIN32_LEAN_AND_MEAN |
|
|
86 | # include <windows.h> |
|
|
87 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
88 | # define EV_SELECT_IS_WINSOCKET 1 |
71 | #endif |
89 | # endif |
72 | #include <sys/time.h> |
90 | #endif |
73 | #include <time.h> |
|
|
74 | |
91 | |
75 | /**/ |
92 | /**/ |
76 | |
93 | |
77 | #ifndef EV_USE_MONOTONIC |
94 | #ifndef EV_USE_MONOTONIC |
78 | # define EV_USE_MONOTONIC 1 |
95 | # define EV_USE_MONOTONIC 1 |
79 | #endif |
96 | #endif |
80 | |
97 | |
81 | #ifndef EV_USE_SELECT |
98 | #ifndef EV_USE_SELECT |
82 | # define EV_USE_SELECT 1 |
99 | # define EV_USE_SELECT 1 |
|
|
100 | # define EV_SELECT_USE_FD_SET 1 |
83 | #endif |
101 | #endif |
84 | |
102 | |
85 | #ifndef EV_USE_POLL |
103 | #ifndef EV_USE_POLL |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
104 | # ifdef _WIN32 |
|
|
105 | # define EV_USE_POLL 0 |
|
|
106 | # else |
|
|
107 | # define EV_USE_POLL 1 |
|
|
108 | # endif |
87 | #endif |
109 | #endif |
88 | |
110 | |
89 | #ifndef EV_USE_EPOLL |
111 | #ifndef EV_USE_EPOLL |
90 | # define EV_USE_EPOLL 0 |
112 | # define EV_USE_EPOLL 0 |
91 | #endif |
113 | #endif |
92 | |
114 | |
93 | #ifndef EV_USE_KQUEUE |
115 | #ifndef EV_USE_KQUEUE |
94 | # define EV_USE_KQUEUE 0 |
116 | # define EV_USE_KQUEUE 0 |
95 | #endif |
117 | #endif |
96 | |
118 | |
97 | #ifndef EV_USE_WIN32 |
|
|
98 | # ifdef WIN32 |
|
|
99 | # define EV_USE_WIN32 1 |
|
|
100 | # else |
|
|
101 | # define EV_USE_WIN32 0 |
|
|
102 | # endif |
|
|
103 | #endif |
|
|
104 | |
|
|
105 | #ifndef EV_USE_REALTIME |
119 | #ifndef EV_USE_REALTIME |
106 | # define EV_USE_REALTIME 1 |
120 | # define EV_USE_REALTIME 1 |
107 | #endif |
121 | #endif |
108 | |
122 | |
109 | /**/ |
123 | /**/ |
|
|
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
110 | |
130 | |
111 | #ifndef CLOCK_MONOTONIC |
131 | #ifndef CLOCK_MONOTONIC |
112 | # undef EV_USE_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
113 | # define EV_USE_MONOTONIC 0 |
133 | # define EV_USE_MONOTONIC 0 |
114 | #endif |
134 | #endif |
115 | |
135 | |
116 | #ifndef CLOCK_REALTIME |
136 | #ifndef CLOCK_REALTIME |
117 | # undef EV_USE_REALTIME |
137 | # undef EV_USE_REALTIME |
118 | # define EV_USE_REALTIME 0 |
138 | # define EV_USE_REALTIME 0 |
|
|
139 | #endif |
|
|
140 | |
|
|
141 | #if EV_SELECT_IS_WINSOCKET |
|
|
142 | # include <winsock.h> |
119 | #endif |
143 | #endif |
120 | |
144 | |
121 | /**/ |
145 | /**/ |
122 | |
146 | |
123 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
147 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
124 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
148 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
125 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
149 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
126 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
150 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
127 | |
151 | |
|
|
152 | #ifdef EV_H |
|
|
153 | # include EV_H |
|
|
154 | #else |
128 | #include "ev.h" |
155 | # include "ev.h" |
|
|
156 | #endif |
129 | |
157 | |
130 | #if __GNUC__ >= 3 |
158 | #if __GNUC__ >= 3 |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define inline inline |
160 | # define inline inline |
133 | #else |
161 | #else |
… | |
… | |
139 | #define expect_true(expr) expect ((expr) != 0, 1) |
167 | #define expect_true(expr) expect ((expr) != 0, 1) |
140 | |
168 | |
141 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
169 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
142 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
143 | |
171 | |
|
|
172 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
173 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
174 | |
144 | typedef struct ev_watcher *W; |
175 | typedef struct ev_watcher *W; |
145 | typedef struct ev_watcher_list *WL; |
176 | typedef struct ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
177 | typedef struct ev_watcher_time *WT; |
147 | |
178 | |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
179 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
180 | |
|
|
181 | #ifdef _WIN32 |
|
|
182 | # include "ev_win32.c" |
|
|
183 | #endif |
|
|
184 | |
150 | /*****************************************************************************/ |
185 | /*****************************************************************************/ |
151 | |
186 | |
|
|
187 | static void (*syserr_cb)(const char *msg); |
|
|
188 | |
|
|
189 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
190 | { |
|
|
191 | syserr_cb = cb; |
|
|
192 | } |
|
|
193 | |
|
|
194 | static void |
|
|
195 | syserr (const char *msg) |
|
|
196 | { |
|
|
197 | if (!msg) |
|
|
198 | msg = "(libev) system error"; |
|
|
199 | |
|
|
200 | if (syserr_cb) |
|
|
201 | syserr_cb (msg); |
|
|
202 | else |
|
|
203 | { |
|
|
204 | perror (msg); |
|
|
205 | abort (); |
|
|
206 | } |
|
|
207 | } |
|
|
208 | |
|
|
209 | static void *(*alloc)(void *ptr, long size); |
|
|
210 | |
|
|
211 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
212 | { |
|
|
213 | alloc = cb; |
|
|
214 | } |
|
|
215 | |
|
|
216 | static void * |
|
|
217 | ev_realloc (void *ptr, long size) |
|
|
218 | { |
|
|
219 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
220 | |
|
|
221 | if (!ptr && size) |
|
|
222 | { |
|
|
223 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
224 | abort (); |
|
|
225 | } |
|
|
226 | |
|
|
227 | return ptr; |
|
|
228 | } |
|
|
229 | |
|
|
230 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
231 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
232 | |
|
|
233 | /*****************************************************************************/ |
|
|
234 | |
152 | typedef struct |
235 | typedef struct |
153 | { |
236 | { |
154 | struct ev_watcher_list *head; |
237 | WL head; |
155 | unsigned char events; |
238 | unsigned char events; |
156 | unsigned char reify; |
239 | unsigned char reify; |
|
|
240 | #if EV_SELECT_IS_WINSOCKET |
|
|
241 | SOCKET handle; |
|
|
242 | #endif |
157 | } ANFD; |
243 | } ANFD; |
158 | |
244 | |
159 | typedef struct |
245 | typedef struct |
160 | { |
246 | { |
161 | W w; |
247 | W w; |
162 | int events; |
248 | int events; |
163 | } ANPENDING; |
249 | } ANPENDING; |
164 | |
250 | |
165 | #if EV_MULTIPLICITY |
251 | #if EV_MULTIPLICITY |
166 | |
252 | |
167 | struct ev_loop |
253 | struct ev_loop |
168 | { |
254 | { |
|
|
255 | ev_tstamp ev_rt_now; |
|
|
256 | #define ev_rt_now ((loop)->ev_rt_now) |
169 | # define VAR(name,decl) decl; |
257 | #define VAR(name,decl) decl; |
170 | # include "ev_vars.h" |
258 | #include "ev_vars.h" |
171 | }; |
|
|
172 | # undef VAR |
259 | #undef VAR |
|
|
260 | }; |
173 | # include "ev_wrap.h" |
261 | #include "ev_wrap.h" |
|
|
262 | |
|
|
263 | static struct ev_loop default_loop_struct; |
|
|
264 | struct ev_loop *ev_default_loop_ptr; |
174 | |
265 | |
175 | #else |
266 | #else |
176 | |
267 | |
|
|
268 | ev_tstamp ev_rt_now; |
177 | # define VAR(name,decl) static decl; |
269 | #define VAR(name,decl) static decl; |
178 | # include "ev_vars.h" |
270 | #include "ev_vars.h" |
179 | # undef VAR |
271 | #undef VAR |
|
|
272 | |
|
|
273 | static int ev_default_loop_ptr; |
180 | |
274 | |
181 | #endif |
275 | #endif |
182 | |
276 | |
183 | /*****************************************************************************/ |
277 | /*****************************************************************************/ |
184 | |
278 | |
185 | inline ev_tstamp |
279 | ev_tstamp |
186 | ev_time (void) |
280 | ev_time (void) |
187 | { |
281 | { |
188 | #if EV_USE_REALTIME |
282 | #if EV_USE_REALTIME |
189 | struct timespec ts; |
283 | struct timespec ts; |
190 | clock_gettime (CLOCK_REALTIME, &ts); |
284 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
209 | #endif |
303 | #endif |
210 | |
304 | |
211 | return ev_time (); |
305 | return ev_time (); |
212 | } |
306 | } |
213 | |
307 | |
|
|
308 | #if EV_MULTIPLICITY |
214 | ev_tstamp |
309 | ev_tstamp |
215 | ev_now (EV_P) |
310 | ev_now (EV_P) |
216 | { |
311 | { |
217 | return rt_now; |
312 | return ev_rt_now; |
218 | } |
313 | } |
|
|
314 | #endif |
219 | |
315 | |
220 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
316 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
221 | |
317 | |
222 | #define array_needsize(base,cur,cnt,init) \ |
318 | #define array_needsize(type,base,cur,cnt,init) \ |
223 | if (expect_false ((cnt) > cur)) \ |
319 | if (expect_false ((cnt) > cur)) \ |
224 | { \ |
320 | { \ |
225 | int newcnt = cur; \ |
321 | int newcnt = cur; \ |
226 | do \ |
322 | do \ |
227 | { \ |
323 | { \ |
228 | newcnt = array_roundsize (base, newcnt << 1); \ |
324 | newcnt = array_roundsize (type, newcnt << 1); \ |
229 | } \ |
325 | } \ |
230 | while ((cnt) > newcnt); \ |
326 | while ((cnt) > newcnt); \ |
231 | \ |
327 | \ |
232 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
328 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
233 | init (base + cur, newcnt - cur); \ |
329 | init (base + cur, newcnt - cur); \ |
234 | cur = newcnt; \ |
330 | cur = newcnt; \ |
235 | } |
331 | } |
|
|
332 | |
|
|
333 | #define array_slim(type,stem) \ |
|
|
334 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
335 | { \ |
|
|
336 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
337 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
338 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
339 | } |
|
|
340 | |
|
|
341 | #define array_free(stem, idx) \ |
|
|
342 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
236 | |
343 | |
237 | /*****************************************************************************/ |
344 | /*****************************************************************************/ |
238 | |
345 | |
239 | static void |
346 | static void |
240 | anfds_init (ANFD *base, int count) |
347 | anfds_init (ANFD *base, int count) |
… | |
… | |
247 | |
354 | |
248 | ++base; |
355 | ++base; |
249 | } |
356 | } |
250 | } |
357 | } |
251 | |
358 | |
252 | static void |
359 | void |
253 | event (EV_P_ W w, int events) |
360 | ev_feed_event (EV_P_ void *w, int revents) |
254 | { |
361 | { |
|
|
362 | W w_ = (W)w; |
|
|
363 | |
255 | if (w->pending) |
364 | if (w_->pending) |
256 | { |
365 | { |
257 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
258 | return; |
367 | return; |
259 | } |
368 | } |
260 | |
369 | |
261 | w->pending = ++pendingcnt [ABSPRI (w)]; |
370 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
262 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
371 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
263 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
372 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
264 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
373 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
265 | } |
374 | } |
266 | |
375 | |
267 | static void |
376 | static void |
268 | queue_events (EV_P_ W *events, int eventcnt, int type) |
377 | queue_events (EV_P_ W *events, int eventcnt, int type) |
269 | { |
378 | { |
270 | int i; |
379 | int i; |
271 | |
380 | |
272 | for (i = 0; i < eventcnt; ++i) |
381 | for (i = 0; i < eventcnt; ++i) |
273 | event (EV_A_ events [i], type); |
382 | ev_feed_event (EV_A_ events [i], type); |
274 | } |
383 | } |
275 | |
384 | |
276 | static void |
385 | inline void |
277 | fd_event (EV_P_ int fd, int events) |
386 | fd_event (EV_P_ int fd, int revents) |
278 | { |
387 | { |
279 | ANFD *anfd = anfds + fd; |
388 | ANFD *anfd = anfds + fd; |
280 | struct ev_io *w; |
389 | struct ev_io *w; |
281 | |
390 | |
282 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
391 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
283 | { |
392 | { |
284 | int ev = w->events & events; |
393 | int ev = w->events & revents; |
285 | |
394 | |
286 | if (ev) |
395 | if (ev) |
287 | event (EV_A_ (W)w, ev); |
396 | ev_feed_event (EV_A_ (W)w, ev); |
288 | } |
397 | } |
|
|
398 | } |
|
|
399 | |
|
|
400 | void |
|
|
401 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
402 | { |
|
|
403 | fd_event (EV_A_ fd, revents); |
289 | } |
404 | } |
290 | |
405 | |
291 | /*****************************************************************************/ |
406 | /*****************************************************************************/ |
292 | |
407 | |
293 | static void |
408 | static void |
… | |
… | |
304 | int events = 0; |
419 | int events = 0; |
305 | |
420 | |
306 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
421 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
307 | events |= w->events; |
422 | events |= w->events; |
308 | |
423 | |
|
|
424 | #if EV_SELECT_IS_WINSOCKET |
|
|
425 | if (events) |
|
|
426 | { |
|
|
427 | unsigned long argp; |
|
|
428 | anfd->handle = _get_osfhandle (fd); |
|
|
429 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
430 | } |
|
|
431 | #endif |
|
|
432 | |
309 | anfd->reify = 0; |
433 | anfd->reify = 0; |
310 | |
434 | |
311 | if (anfd->events != events) |
|
|
312 | { |
|
|
313 | method_modify (EV_A_ fd, anfd->events, events); |
435 | method_modify (EV_A_ fd, anfd->events, events); |
314 | anfd->events = events; |
436 | anfd->events = events; |
315 | } |
|
|
316 | } |
437 | } |
317 | |
438 | |
318 | fdchangecnt = 0; |
439 | fdchangecnt = 0; |
319 | } |
440 | } |
320 | |
441 | |
321 | static void |
442 | static void |
322 | fd_change (EV_P_ int fd) |
443 | fd_change (EV_P_ int fd) |
323 | { |
444 | { |
324 | if (anfds [fd].reify || fdchangecnt < 0) |
445 | if (anfds [fd].reify) |
325 | return; |
446 | return; |
326 | |
447 | |
327 | anfds [fd].reify = 1; |
448 | anfds [fd].reify = 1; |
328 | |
449 | |
329 | ++fdchangecnt; |
450 | ++fdchangecnt; |
330 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
451 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
331 | fdchanges [fdchangecnt - 1] = fd; |
452 | fdchanges [fdchangecnt - 1] = fd; |
332 | } |
453 | } |
333 | |
454 | |
334 | static void |
455 | static void |
335 | fd_kill (EV_P_ int fd) |
456 | fd_kill (EV_P_ int fd) |
… | |
… | |
337 | struct ev_io *w; |
458 | struct ev_io *w; |
338 | |
459 | |
339 | while ((w = (struct ev_io *)anfds [fd].head)) |
460 | while ((w = (struct ev_io *)anfds [fd].head)) |
340 | { |
461 | { |
341 | ev_io_stop (EV_A_ w); |
462 | ev_io_stop (EV_A_ w); |
342 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
463 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
343 | } |
464 | } |
|
|
465 | } |
|
|
466 | |
|
|
467 | static int |
|
|
468 | fd_valid (int fd) |
|
|
469 | { |
|
|
470 | #ifdef _WIN32 |
|
|
471 | return _get_osfhandle (fd) != -1; |
|
|
472 | #else |
|
|
473 | return fcntl (fd, F_GETFD) != -1; |
|
|
474 | #endif |
344 | } |
475 | } |
345 | |
476 | |
346 | /* called on EBADF to verify fds */ |
477 | /* called on EBADF to verify fds */ |
347 | static void |
478 | static void |
348 | fd_ebadf (EV_P) |
479 | fd_ebadf (EV_P) |
349 | { |
480 | { |
350 | int fd; |
481 | int fd; |
351 | |
482 | |
352 | for (fd = 0; fd < anfdmax; ++fd) |
483 | for (fd = 0; fd < anfdmax; ++fd) |
353 | if (anfds [fd].events) |
484 | if (anfds [fd].events) |
354 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
485 | if (!fd_valid (fd) == -1 && errno == EBADF) |
355 | fd_kill (EV_A_ fd); |
486 | fd_kill (EV_A_ fd); |
356 | } |
487 | } |
357 | |
488 | |
358 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
489 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
359 | static void |
490 | static void |
… | |
… | |
362 | int fd; |
493 | int fd; |
363 | |
494 | |
364 | for (fd = anfdmax; fd--; ) |
495 | for (fd = anfdmax; fd--; ) |
365 | if (anfds [fd].events) |
496 | if (anfds [fd].events) |
366 | { |
497 | { |
367 | close (fd); |
|
|
368 | fd_kill (EV_A_ fd); |
498 | fd_kill (EV_A_ fd); |
369 | return; |
499 | return; |
370 | } |
500 | } |
371 | } |
501 | } |
372 | |
502 | |
373 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
503 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
374 | static void |
504 | static void |
375 | fd_rearm_all (EV_P) |
505 | fd_rearm_all (EV_P) |
376 | { |
506 | { |
377 | int fd; |
507 | int fd; |
378 | |
508 | |
… | |
… | |
426 | |
556 | |
427 | heap [k] = w; |
557 | heap [k] = w; |
428 | ((W)heap [k])->active = k + 1; |
558 | ((W)heap [k])->active = k + 1; |
429 | } |
559 | } |
430 | |
560 | |
|
|
561 | inline void |
|
|
562 | adjustheap (WT *heap, int N, int k) |
|
|
563 | { |
|
|
564 | upheap (heap, k); |
|
|
565 | downheap (heap, N, k); |
|
|
566 | } |
|
|
567 | |
431 | /*****************************************************************************/ |
568 | /*****************************************************************************/ |
432 | |
569 | |
433 | typedef struct |
570 | typedef struct |
434 | { |
571 | { |
435 | struct ev_watcher_list *head; |
572 | WL head; |
436 | sig_atomic_t volatile gotsig; |
573 | sig_atomic_t volatile gotsig; |
437 | } ANSIG; |
574 | } ANSIG; |
438 | |
575 | |
439 | static ANSIG *signals; |
576 | static ANSIG *signals; |
440 | static int signalmax; |
577 | static int signalmax; |
… | |
… | |
456 | } |
593 | } |
457 | |
594 | |
458 | static void |
595 | static void |
459 | sighandler (int signum) |
596 | sighandler (int signum) |
460 | { |
597 | { |
|
|
598 | #if _WIN32 |
|
|
599 | signal (signum, sighandler); |
|
|
600 | #endif |
|
|
601 | |
461 | signals [signum - 1].gotsig = 1; |
602 | signals [signum - 1].gotsig = 1; |
462 | |
603 | |
463 | if (!gotsig) |
604 | if (!gotsig) |
464 | { |
605 | { |
465 | int old_errno = errno; |
606 | int old_errno = errno; |
… | |
… | |
467 | write (sigpipe [1], &signum, 1); |
608 | write (sigpipe [1], &signum, 1); |
468 | errno = old_errno; |
609 | errno = old_errno; |
469 | } |
610 | } |
470 | } |
611 | } |
471 | |
612 | |
|
|
613 | void |
|
|
614 | ev_feed_signal_event (EV_P_ int signum) |
|
|
615 | { |
|
|
616 | WL w; |
|
|
617 | |
|
|
618 | #if EV_MULTIPLICITY |
|
|
619 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
620 | #endif |
|
|
621 | |
|
|
622 | --signum; |
|
|
623 | |
|
|
624 | if (signum < 0 || signum >= signalmax) |
|
|
625 | return; |
|
|
626 | |
|
|
627 | signals [signum].gotsig = 0; |
|
|
628 | |
|
|
629 | for (w = signals [signum].head; w; w = w->next) |
|
|
630 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
631 | } |
|
|
632 | |
472 | static void |
633 | static void |
473 | sigcb (EV_P_ struct ev_io *iow, int revents) |
634 | sigcb (EV_P_ struct ev_io *iow, int revents) |
474 | { |
635 | { |
475 | struct ev_watcher_list *w; |
|
|
476 | int signum; |
636 | int signum; |
477 | |
637 | |
478 | read (sigpipe [0], &revents, 1); |
638 | read (sigpipe [0], &revents, 1); |
479 | gotsig = 0; |
639 | gotsig = 0; |
480 | |
640 | |
481 | for (signum = signalmax; signum--; ) |
641 | for (signum = signalmax; signum--; ) |
482 | if (signals [signum].gotsig) |
642 | if (signals [signum].gotsig) |
483 | { |
643 | ev_feed_signal_event (EV_A_ signum + 1); |
484 | signals [signum].gotsig = 0; |
644 | } |
485 | |
645 | |
486 | for (w = signals [signum].head; w; w = w->next) |
646 | inline void |
487 | event (EV_A_ (W)w, EV_SIGNAL); |
647 | fd_intern (int fd) |
488 | } |
648 | { |
|
|
649 | #ifdef _WIN32 |
|
|
650 | int arg = 1; |
|
|
651 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
652 | #else |
|
|
653 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
654 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
655 | #endif |
489 | } |
656 | } |
490 | |
657 | |
491 | static void |
658 | static void |
492 | siginit (EV_P) |
659 | siginit (EV_P) |
493 | { |
660 | { |
494 | #ifndef WIN32 |
661 | fd_intern (sigpipe [0]); |
495 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
662 | fd_intern (sigpipe [1]); |
496 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
497 | |
|
|
498 | /* rather than sort out wether we really need nb, set it */ |
|
|
499 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
500 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
501 | #endif |
|
|
502 | |
663 | |
503 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
664 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
504 | ev_io_start (EV_A_ &sigev); |
665 | ev_io_start (EV_A_ &sigev); |
505 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
666 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
506 | } |
667 | } |
507 | |
668 | |
508 | /*****************************************************************************/ |
669 | /*****************************************************************************/ |
509 | |
670 | |
510 | #ifndef WIN32 |
|
|
511 | |
|
|
512 | static struct ev_child *childs [PID_HASHSIZE]; |
671 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
672 | |
|
|
673 | #ifndef _WIN32 |
|
|
674 | |
513 | static struct ev_signal childev; |
675 | static struct ev_signal childev; |
514 | |
676 | |
515 | #ifndef WCONTINUED |
677 | #ifndef WCONTINUED |
516 | # define WCONTINUED 0 |
678 | # define WCONTINUED 0 |
517 | #endif |
679 | #endif |
… | |
… | |
522 | struct ev_child *w; |
684 | struct ev_child *w; |
523 | |
685 | |
524 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
686 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
525 | if (w->pid == pid || !w->pid) |
687 | if (w->pid == pid || !w->pid) |
526 | { |
688 | { |
527 | w->priority = sw->priority; /* need to do it *now* */ |
689 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
528 | w->rpid = pid; |
690 | w->rpid = pid; |
529 | w->rstatus = status; |
691 | w->rstatus = status; |
530 | event (EV_A_ (W)w, EV_CHILD); |
692 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
531 | } |
693 | } |
532 | } |
694 | } |
533 | |
695 | |
534 | static void |
696 | static void |
535 | childcb (EV_P_ struct ev_signal *sw, int revents) |
697 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
537 | int pid, status; |
699 | int pid, status; |
538 | |
700 | |
539 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
701 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
540 | { |
702 | { |
541 | /* make sure we are called again until all childs have been reaped */ |
703 | /* make sure we are called again until all childs have been reaped */ |
542 | event (EV_A_ (W)sw, EV_SIGNAL); |
704 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
543 | |
705 | |
544 | child_reap (EV_A_ sw, pid, pid, status); |
706 | child_reap (EV_A_ sw, pid, pid, status); |
545 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
707 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
546 | } |
708 | } |
547 | } |
709 | } |
… | |
… | |
577 | |
739 | |
578 | /* return true if we are running with elevated privileges and should ignore env variables */ |
740 | /* return true if we are running with elevated privileges and should ignore env variables */ |
579 | static int |
741 | static int |
580 | enable_secure (void) |
742 | enable_secure (void) |
581 | { |
743 | { |
582 | #ifdef WIN32 |
744 | #ifdef _WIN32 |
583 | return 0; |
745 | return 0; |
584 | #else |
746 | #else |
585 | return getuid () != geteuid () |
747 | return getuid () != geteuid () |
586 | || getgid () != getegid (); |
748 | || getgid () != getegid (); |
587 | #endif |
749 | #endif |
588 | } |
750 | } |
589 | |
751 | |
590 | int |
752 | unsigned int |
591 | ev_method (EV_P) |
753 | ev_method (EV_P) |
592 | { |
754 | { |
593 | return method; |
755 | return method; |
594 | } |
756 | } |
595 | |
757 | |
596 | static void |
758 | static void |
597 | loop_init (EV_P_ int methods) |
759 | loop_init (EV_P_ unsigned int flags) |
598 | { |
760 | { |
599 | if (!method) |
761 | if (!method) |
600 | { |
762 | { |
601 | #if EV_USE_MONOTONIC |
763 | #if EV_USE_MONOTONIC |
602 | { |
764 | { |
… | |
… | |
604 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
766 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
605 | have_monotonic = 1; |
767 | have_monotonic = 1; |
606 | } |
768 | } |
607 | #endif |
769 | #endif |
608 | |
770 | |
609 | rt_now = ev_time (); |
771 | ev_rt_now = ev_time (); |
610 | mn_now = get_clock (); |
772 | mn_now = get_clock (); |
611 | now_floor = mn_now; |
773 | now_floor = mn_now; |
612 | rtmn_diff = rt_now - mn_now; |
774 | rtmn_diff = ev_rt_now - mn_now; |
613 | |
775 | |
614 | if (methods == EVMETHOD_AUTO) |
776 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
615 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
616 | methods = atoi (getenv ("LIBEV_METHODS")); |
777 | flags = atoi (getenv ("LIBEV_FLAGS")); |
617 | else |
778 | |
618 | methods = EVMETHOD_ANY; |
779 | if (!(flags & 0x0000ffff)) |
|
|
780 | flags |= 0x0000ffff; |
619 | |
781 | |
620 | method = 0; |
782 | method = 0; |
621 | #if EV_USE_WIN32 |
|
|
622 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
623 | #endif |
|
|
624 | #if EV_USE_KQUEUE |
783 | #if EV_USE_KQUEUE |
625 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
784 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
626 | #endif |
785 | #endif |
627 | #if EV_USE_EPOLL |
786 | #if EV_USE_EPOLL |
628 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
787 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
629 | #endif |
788 | #endif |
630 | #if EV_USE_POLL |
789 | #if EV_USE_POLL |
631 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
790 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
632 | #endif |
791 | #endif |
633 | #if EV_USE_SELECT |
792 | #if EV_USE_SELECT |
634 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
793 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
635 | #endif |
794 | #endif |
|
|
795 | |
|
|
796 | ev_init (&sigev, sigcb); |
|
|
797 | ev_set_priority (&sigev, EV_MAXPRI); |
636 | } |
798 | } |
637 | } |
799 | } |
638 | |
800 | |
639 | void |
801 | void |
640 | loop_destroy (EV_P) |
802 | loop_destroy (EV_P) |
641 | { |
803 | { |
642 | #if EV_USE_WIN32 |
804 | int i; |
643 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
805 | |
644 | #endif |
|
|
645 | #if EV_USE_KQUEUE |
806 | #if EV_USE_KQUEUE |
646 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
807 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
647 | #endif |
808 | #endif |
648 | #if EV_USE_EPOLL |
809 | #if EV_USE_EPOLL |
649 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
810 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
… | |
… | |
653 | #endif |
814 | #endif |
654 | #if EV_USE_SELECT |
815 | #if EV_USE_SELECT |
655 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
816 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
656 | #endif |
817 | #endif |
657 | |
818 | |
|
|
819 | for (i = NUMPRI; i--; ) |
|
|
820 | array_free (pending, [i]); |
|
|
821 | |
|
|
822 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
823 | array_free (fdchange, EMPTY0); |
|
|
824 | array_free (timer, EMPTY0); |
|
|
825 | #if EV_PERIODICS |
|
|
826 | array_free (periodic, EMPTY0); |
|
|
827 | #endif |
|
|
828 | array_free (idle, EMPTY0); |
|
|
829 | array_free (prepare, EMPTY0); |
|
|
830 | array_free (check, EMPTY0); |
|
|
831 | |
658 | method = 0; |
832 | method = 0; |
659 | /*TODO*/ |
|
|
660 | } |
833 | } |
661 | |
834 | |
662 | void |
835 | static void |
663 | loop_fork (EV_P) |
836 | loop_fork (EV_P) |
664 | { |
837 | { |
665 | /*TODO*/ |
|
|
666 | #if EV_USE_EPOLL |
838 | #if EV_USE_EPOLL |
667 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
839 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
668 | #endif |
840 | #endif |
669 | #if EV_USE_KQUEUE |
841 | #if EV_USE_KQUEUE |
670 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
842 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
671 | #endif |
843 | #endif |
|
|
844 | |
|
|
845 | if (ev_is_active (&sigev)) |
|
|
846 | { |
|
|
847 | /* default loop */ |
|
|
848 | |
|
|
849 | ev_ref (EV_A); |
|
|
850 | ev_io_stop (EV_A_ &sigev); |
|
|
851 | close (sigpipe [0]); |
|
|
852 | close (sigpipe [1]); |
|
|
853 | |
|
|
854 | while (pipe (sigpipe)) |
|
|
855 | syserr ("(libev) error creating pipe"); |
|
|
856 | |
|
|
857 | siginit (EV_A); |
|
|
858 | } |
|
|
859 | |
|
|
860 | postfork = 0; |
672 | } |
861 | } |
673 | |
862 | |
674 | #if EV_MULTIPLICITY |
863 | #if EV_MULTIPLICITY |
675 | struct ev_loop * |
864 | struct ev_loop * |
676 | ev_loop_new (int methods) |
865 | ev_loop_new (unsigned int flags) |
677 | { |
866 | { |
678 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
867 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
679 | |
868 | |
|
|
869 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
870 | |
680 | loop_init (EV_A_ methods); |
871 | loop_init (EV_A_ flags); |
681 | |
872 | |
682 | if (ev_method (EV_A)) |
873 | if (ev_method (EV_A)) |
683 | return loop; |
874 | return loop; |
684 | |
875 | |
685 | return 0; |
876 | return 0; |
… | |
… | |
687 | |
878 | |
688 | void |
879 | void |
689 | ev_loop_destroy (EV_P) |
880 | ev_loop_destroy (EV_P) |
690 | { |
881 | { |
691 | loop_destroy (EV_A); |
882 | loop_destroy (EV_A); |
692 | free (loop); |
883 | ev_free (loop); |
693 | } |
884 | } |
694 | |
885 | |
695 | void |
886 | void |
696 | ev_loop_fork (EV_P) |
887 | ev_loop_fork (EV_P) |
697 | { |
888 | { |
698 | loop_fork (EV_A); |
889 | postfork = 1; |
699 | } |
890 | } |
700 | |
891 | |
701 | #endif |
892 | #endif |
702 | |
893 | |
703 | #if EV_MULTIPLICITY |
894 | #if EV_MULTIPLICITY |
704 | struct ev_loop default_loop_struct; |
|
|
705 | static struct ev_loop *default_loop; |
|
|
706 | |
|
|
707 | struct ev_loop * |
895 | struct ev_loop * |
|
|
896 | ev_default_loop_ (unsigned int flags) |
708 | #else |
897 | #else |
709 | static int default_loop; |
|
|
710 | |
|
|
711 | int |
898 | int |
|
|
899 | ev_default_loop (unsigned int flags) |
712 | #endif |
900 | #endif |
713 | ev_default_loop (int methods) |
|
|
714 | { |
901 | { |
715 | if (sigpipe [0] == sigpipe [1]) |
902 | if (sigpipe [0] == sigpipe [1]) |
716 | if (pipe (sigpipe)) |
903 | if (pipe (sigpipe)) |
717 | return 0; |
904 | return 0; |
718 | |
905 | |
719 | if (!default_loop) |
906 | if (!ev_default_loop_ptr) |
720 | { |
907 | { |
721 | #if EV_MULTIPLICITY |
908 | #if EV_MULTIPLICITY |
722 | struct ev_loop *loop = default_loop = &default_loop_struct; |
909 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
723 | #else |
910 | #else |
724 | default_loop = 1; |
911 | ev_default_loop_ptr = 1; |
725 | #endif |
912 | #endif |
726 | |
913 | |
727 | loop_init (EV_A_ methods); |
914 | loop_init (EV_A_ flags); |
728 | |
915 | |
729 | if (ev_method (EV_A)) |
916 | if (ev_method (EV_A)) |
730 | { |
917 | { |
731 | ev_watcher_init (&sigev, sigcb); |
|
|
732 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
733 | siginit (EV_A); |
918 | siginit (EV_A); |
734 | |
919 | |
735 | #ifndef WIN32 |
920 | #ifndef _WIN32 |
736 | ev_signal_init (&childev, childcb, SIGCHLD); |
921 | ev_signal_init (&childev, childcb, SIGCHLD); |
737 | ev_set_priority (&childev, EV_MAXPRI); |
922 | ev_set_priority (&childev, EV_MAXPRI); |
738 | ev_signal_start (EV_A_ &childev); |
923 | ev_signal_start (EV_A_ &childev); |
739 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
924 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
740 | #endif |
925 | #endif |
741 | } |
926 | } |
742 | else |
927 | else |
743 | default_loop = 0; |
928 | ev_default_loop_ptr = 0; |
744 | } |
929 | } |
745 | |
930 | |
746 | return default_loop; |
931 | return ev_default_loop_ptr; |
747 | } |
932 | } |
748 | |
933 | |
749 | void |
934 | void |
750 | ev_default_destroy (void) |
935 | ev_default_destroy (void) |
751 | { |
936 | { |
752 | #if EV_MULTIPLICITY |
937 | #if EV_MULTIPLICITY |
753 | struct ev_loop *loop = default_loop; |
938 | struct ev_loop *loop = ev_default_loop_ptr; |
754 | #endif |
939 | #endif |
755 | |
940 | |
|
|
941 | #ifndef _WIN32 |
756 | ev_ref (EV_A); /* child watcher */ |
942 | ev_ref (EV_A); /* child watcher */ |
757 | ev_signal_stop (EV_A_ &childev); |
943 | ev_signal_stop (EV_A_ &childev); |
|
|
944 | #endif |
758 | |
945 | |
759 | ev_ref (EV_A); /* signal watcher */ |
946 | ev_ref (EV_A); /* signal watcher */ |
760 | ev_io_stop (EV_A_ &sigev); |
947 | ev_io_stop (EV_A_ &sigev); |
761 | |
948 | |
762 | close (sigpipe [0]); sigpipe [0] = 0; |
949 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
767 | |
954 | |
768 | void |
955 | void |
769 | ev_default_fork (void) |
956 | ev_default_fork (void) |
770 | { |
957 | { |
771 | #if EV_MULTIPLICITY |
958 | #if EV_MULTIPLICITY |
772 | struct ev_loop *loop = default_loop; |
959 | struct ev_loop *loop = ev_default_loop_ptr; |
773 | #endif |
960 | #endif |
774 | |
961 | |
775 | loop_fork (EV_A); |
962 | if (method) |
776 | |
963 | postfork = 1; |
777 | ev_io_stop (EV_A_ &sigev); |
|
|
778 | close (sigpipe [0]); |
|
|
779 | close (sigpipe [1]); |
|
|
780 | pipe (sigpipe); |
|
|
781 | |
|
|
782 | ev_ref (EV_A); /* signal watcher */ |
|
|
783 | siginit (EV_A); |
|
|
784 | } |
964 | } |
785 | |
965 | |
786 | /*****************************************************************************/ |
966 | /*****************************************************************************/ |
|
|
967 | |
|
|
968 | static int |
|
|
969 | any_pending (EV_P) |
|
|
970 | { |
|
|
971 | int pri; |
|
|
972 | |
|
|
973 | for (pri = NUMPRI; pri--; ) |
|
|
974 | if (pendingcnt [pri]) |
|
|
975 | return 1; |
|
|
976 | |
|
|
977 | return 0; |
|
|
978 | } |
787 | |
979 | |
788 | static void |
980 | static void |
789 | call_pending (EV_P) |
981 | call_pending (EV_P) |
790 | { |
982 | { |
791 | int pri; |
983 | int pri; |
… | |
… | |
796 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
988 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
797 | |
989 | |
798 | if (p->w) |
990 | if (p->w) |
799 | { |
991 | { |
800 | p->w->pending = 0; |
992 | p->w->pending = 0; |
801 | p->w->cb (EV_A_ p->w, p->events); |
993 | EV_CB_INVOKE (p->w, p->events); |
802 | } |
994 | } |
803 | } |
995 | } |
804 | } |
996 | } |
805 | |
997 | |
806 | static void |
998 | static void |
807 | timers_reify (EV_P) |
999 | timers_reify (EV_P) |
808 | { |
1000 | { |
809 | while (timercnt && timers [0]->at <= mn_now) |
1001 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
810 | { |
1002 | { |
811 | struct ev_timer *w = timers [0]; |
1003 | struct ev_timer *w = timers [0]; |
812 | |
1004 | |
813 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1005 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
814 | |
1006 | |
815 | /* first reschedule or stop timer */ |
1007 | /* first reschedule or stop timer */ |
816 | if (w->repeat) |
1008 | if (w->repeat) |
817 | { |
1009 | { |
818 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1010 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1011 | |
819 | w->at = mn_now + w->repeat; |
1012 | ((WT)w)->at += w->repeat; |
|
|
1013 | if (((WT)w)->at < mn_now) |
|
|
1014 | ((WT)w)->at = mn_now; |
|
|
1015 | |
820 | downheap ((WT *)timers, timercnt, 0); |
1016 | downheap ((WT *)timers, timercnt, 0); |
821 | } |
1017 | } |
822 | else |
1018 | else |
823 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1019 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
824 | |
1020 | |
825 | event (EV_A_ (W)w, EV_TIMEOUT); |
1021 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
826 | } |
1022 | } |
827 | } |
1023 | } |
828 | |
1024 | |
|
|
1025 | #if EV_PERIODICS |
829 | static void |
1026 | static void |
830 | periodics_reify (EV_P) |
1027 | periodics_reify (EV_P) |
831 | { |
1028 | { |
832 | while (periodiccnt && periodics [0]->at <= rt_now) |
1029 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
833 | { |
1030 | { |
834 | struct ev_periodic *w = periodics [0]; |
1031 | struct ev_periodic *w = periodics [0]; |
835 | |
1032 | |
836 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1033 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
837 | |
1034 | |
838 | /* first reschedule or stop timer */ |
1035 | /* first reschedule or stop timer */ |
839 | if (w->interval) |
1036 | if (w->reschedule_cb) |
840 | { |
1037 | { |
|
|
1038 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1039 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1040 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1041 | } |
|
|
1042 | else if (w->interval) |
|
|
1043 | { |
841 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
1044 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
842 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
1045 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
843 | downheap ((WT *)periodics, periodiccnt, 0); |
1046 | downheap ((WT *)periodics, periodiccnt, 0); |
844 | } |
1047 | } |
845 | else |
1048 | else |
846 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1049 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
847 | |
1050 | |
848 | event (EV_A_ (W)w, EV_PERIODIC); |
1051 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
849 | } |
1052 | } |
850 | } |
1053 | } |
851 | |
1054 | |
852 | static void |
1055 | static void |
853 | periodics_reschedule (EV_P) |
1056 | periodics_reschedule (EV_P) |
… | |
… | |
857 | /* adjust periodics after time jump */ |
1060 | /* adjust periodics after time jump */ |
858 | for (i = 0; i < periodiccnt; ++i) |
1061 | for (i = 0; i < periodiccnt; ++i) |
859 | { |
1062 | { |
860 | struct ev_periodic *w = periodics [i]; |
1063 | struct ev_periodic *w = periodics [i]; |
861 | |
1064 | |
|
|
1065 | if (w->reschedule_cb) |
|
|
1066 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
862 | if (w->interval) |
1067 | else if (w->interval) |
863 | { |
|
|
864 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
1068 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
865 | |
|
|
866 | if (fabs (diff) >= 1e-4) |
|
|
867 | { |
|
|
868 | ev_periodic_stop (EV_A_ w); |
|
|
869 | ev_periodic_start (EV_A_ w); |
|
|
870 | |
|
|
871 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
872 | } |
|
|
873 | } |
|
|
874 | } |
1069 | } |
|
|
1070 | |
|
|
1071 | /* now rebuild the heap */ |
|
|
1072 | for (i = periodiccnt >> 1; i--; ) |
|
|
1073 | downheap ((WT *)periodics, periodiccnt, i); |
875 | } |
1074 | } |
|
|
1075 | #endif |
876 | |
1076 | |
877 | inline int |
1077 | inline int |
878 | time_update_monotonic (EV_P) |
1078 | time_update_monotonic (EV_P) |
879 | { |
1079 | { |
880 | mn_now = get_clock (); |
1080 | mn_now = get_clock (); |
881 | |
1081 | |
882 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1082 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
883 | { |
1083 | { |
884 | rt_now = rtmn_diff + mn_now; |
1084 | ev_rt_now = rtmn_diff + mn_now; |
885 | return 0; |
1085 | return 0; |
886 | } |
1086 | } |
887 | else |
1087 | else |
888 | { |
1088 | { |
889 | now_floor = mn_now; |
1089 | now_floor = mn_now; |
890 | rt_now = ev_time (); |
1090 | ev_rt_now = ev_time (); |
891 | return 1; |
1091 | return 1; |
892 | } |
1092 | } |
893 | } |
1093 | } |
894 | |
1094 | |
895 | static void |
1095 | static void |
… | |
… | |
904 | { |
1104 | { |
905 | ev_tstamp odiff = rtmn_diff; |
1105 | ev_tstamp odiff = rtmn_diff; |
906 | |
1106 | |
907 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1107 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
908 | { |
1108 | { |
909 | rtmn_diff = rt_now - mn_now; |
1109 | rtmn_diff = ev_rt_now - mn_now; |
910 | |
1110 | |
911 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1111 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
912 | return; /* all is well */ |
1112 | return; /* all is well */ |
913 | |
1113 | |
914 | rt_now = ev_time (); |
1114 | ev_rt_now = ev_time (); |
915 | mn_now = get_clock (); |
1115 | mn_now = get_clock (); |
916 | now_floor = mn_now; |
1116 | now_floor = mn_now; |
917 | } |
1117 | } |
918 | |
1118 | |
|
|
1119 | # if EV_PERIODICS |
919 | periodics_reschedule (EV_A); |
1120 | periodics_reschedule (EV_A); |
|
|
1121 | # endif |
920 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1122 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
921 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1123 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
922 | } |
1124 | } |
923 | } |
1125 | } |
924 | else |
1126 | else |
925 | #endif |
1127 | #endif |
926 | { |
1128 | { |
927 | rt_now = ev_time (); |
1129 | ev_rt_now = ev_time (); |
928 | |
1130 | |
929 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1131 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
930 | { |
1132 | { |
|
|
1133 | #if EV_PERIODICS |
931 | periodics_reschedule (EV_A); |
1134 | periodics_reschedule (EV_A); |
|
|
1135 | #endif |
932 | |
1136 | |
933 | /* adjust timers. this is easy, as the offset is the same for all */ |
1137 | /* adjust timers. this is easy, as the offset is the same for all */ |
934 | for (i = 0; i < timercnt; ++i) |
1138 | for (i = 0; i < timercnt; ++i) |
935 | timers [i]->at += rt_now - mn_now; |
1139 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
936 | } |
1140 | } |
937 | |
1141 | |
938 | mn_now = rt_now; |
1142 | mn_now = ev_rt_now; |
939 | } |
1143 | } |
940 | } |
1144 | } |
941 | |
1145 | |
942 | void |
1146 | void |
943 | ev_ref (EV_P) |
1147 | ev_ref (EV_P) |
… | |
… | |
957 | ev_loop (EV_P_ int flags) |
1161 | ev_loop (EV_P_ int flags) |
958 | { |
1162 | { |
959 | double block; |
1163 | double block; |
960 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1164 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
961 | |
1165 | |
962 | do |
1166 | while (activecnt) |
963 | { |
1167 | { |
964 | /* queue check watchers (and execute them) */ |
1168 | /* queue check watchers (and execute them) */ |
965 | if (expect_false (preparecnt)) |
1169 | if (expect_false (preparecnt)) |
966 | { |
1170 | { |
967 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1171 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
968 | call_pending (EV_A); |
1172 | call_pending (EV_A); |
969 | } |
1173 | } |
970 | |
1174 | |
|
|
1175 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1176 | if (expect_false (postfork)) |
|
|
1177 | loop_fork (EV_A); |
|
|
1178 | |
971 | /* update fd-related kernel structures */ |
1179 | /* update fd-related kernel structures */ |
972 | fd_reify (EV_A); |
1180 | fd_reify (EV_A); |
973 | |
1181 | |
974 | /* calculate blocking time */ |
1182 | /* calculate blocking time */ |
975 | |
1183 | |
976 | /* we only need this for !monotonic clockor timers, but as we basically |
1184 | /* we only need this for !monotonic clock or timers, but as we basically |
977 | always have timers, we just calculate it always */ |
1185 | always have timers, we just calculate it always */ |
978 | #if EV_USE_MONOTONIC |
1186 | #if EV_USE_MONOTONIC |
979 | if (expect_true (have_monotonic)) |
1187 | if (expect_true (have_monotonic)) |
980 | time_update_monotonic (EV_A); |
1188 | time_update_monotonic (EV_A); |
981 | else |
1189 | else |
982 | #endif |
1190 | #endif |
983 | { |
1191 | { |
984 | rt_now = ev_time (); |
1192 | ev_rt_now = ev_time (); |
985 | mn_now = rt_now; |
1193 | mn_now = ev_rt_now; |
986 | } |
1194 | } |
987 | |
1195 | |
988 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1196 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
989 | block = 0.; |
1197 | block = 0.; |
990 | else |
1198 | else |
991 | { |
1199 | { |
992 | block = MAX_BLOCKTIME; |
1200 | block = MAX_BLOCKTIME; |
993 | |
1201 | |
994 | if (timercnt) |
1202 | if (timercnt) |
995 | { |
1203 | { |
996 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
1204 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
997 | if (block > to) block = to; |
1205 | if (block > to) block = to; |
998 | } |
1206 | } |
999 | |
1207 | |
|
|
1208 | #if EV_PERIODICS |
1000 | if (periodiccnt) |
1209 | if (periodiccnt) |
1001 | { |
1210 | { |
1002 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
1211 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1003 | if (block > to) block = to; |
1212 | if (block > to) block = to; |
1004 | } |
1213 | } |
|
|
1214 | #endif |
1005 | |
1215 | |
1006 | if (block < 0.) block = 0.; |
1216 | if (block < 0.) block = 0.; |
1007 | } |
1217 | } |
1008 | |
1218 | |
1009 | method_poll (EV_A_ block); |
1219 | method_poll (EV_A_ block); |
1010 | |
1220 | |
1011 | /* update rt_now, do magic */ |
1221 | /* update ev_rt_now, do magic */ |
1012 | time_update (EV_A); |
1222 | time_update (EV_A); |
1013 | |
1223 | |
1014 | /* queue pending timers and reschedule them */ |
1224 | /* queue pending timers and reschedule them */ |
1015 | timers_reify (EV_A); /* relative timers called last */ |
1225 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1226 | #if EV_PERIODICS |
1016 | periodics_reify (EV_A); /* absolute timers called first */ |
1227 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1228 | #endif |
1017 | |
1229 | |
1018 | /* queue idle watchers unless io or timers are pending */ |
1230 | /* queue idle watchers unless io or timers are pending */ |
1019 | if (!pendingcnt) |
1231 | if (idlecnt && !any_pending (EV_A)) |
1020 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1232 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1021 | |
1233 | |
1022 | /* queue check watchers, to be executed first */ |
1234 | /* queue check watchers, to be executed first */ |
1023 | if (checkcnt) |
1235 | if (checkcnt) |
1024 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1236 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1025 | |
1237 | |
1026 | call_pending (EV_A); |
1238 | call_pending (EV_A); |
|
|
1239 | |
|
|
1240 | if (loop_done) |
|
|
1241 | break; |
1027 | } |
1242 | } |
1028 | while (activecnt && !loop_done); |
|
|
1029 | |
1243 | |
1030 | if (loop_done != 2) |
1244 | if (loop_done != 2) |
1031 | loop_done = 0; |
1245 | loop_done = 0; |
1032 | } |
1246 | } |
1033 | |
1247 | |
… | |
… | |
1099 | return; |
1313 | return; |
1100 | |
1314 | |
1101 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1315 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1102 | |
1316 | |
1103 | ev_start (EV_A_ (W)w, 1); |
1317 | ev_start (EV_A_ (W)w, 1); |
1104 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1318 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1105 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1319 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1106 | |
1320 | |
1107 | fd_change (EV_A_ fd); |
1321 | fd_change (EV_A_ fd); |
1108 | } |
1322 | } |
1109 | |
1323 | |
… | |
… | |
1112 | { |
1326 | { |
1113 | ev_clear_pending (EV_A_ (W)w); |
1327 | ev_clear_pending (EV_A_ (W)w); |
1114 | if (!ev_is_active (w)) |
1328 | if (!ev_is_active (w)) |
1115 | return; |
1329 | return; |
1116 | |
1330 | |
|
|
1331 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1332 | |
1117 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1333 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1118 | ev_stop (EV_A_ (W)w); |
1334 | ev_stop (EV_A_ (W)w); |
1119 | |
1335 | |
1120 | fd_change (EV_A_ w->fd); |
1336 | fd_change (EV_A_ w->fd); |
1121 | } |
1337 | } |
… | |
… | |
1124 | ev_timer_start (EV_P_ struct ev_timer *w) |
1340 | ev_timer_start (EV_P_ struct ev_timer *w) |
1125 | { |
1341 | { |
1126 | if (ev_is_active (w)) |
1342 | if (ev_is_active (w)) |
1127 | return; |
1343 | return; |
1128 | |
1344 | |
1129 | w->at += mn_now; |
1345 | ((WT)w)->at += mn_now; |
1130 | |
1346 | |
1131 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1347 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1132 | |
1348 | |
1133 | ev_start (EV_A_ (W)w, ++timercnt); |
1349 | ev_start (EV_A_ (W)w, ++timercnt); |
1134 | array_needsize (timers, timermax, timercnt, ); |
1350 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1135 | timers [timercnt - 1] = w; |
1351 | timers [timercnt - 1] = w; |
1136 | upheap ((WT *)timers, timercnt - 1); |
1352 | upheap ((WT *)timers, timercnt - 1); |
1137 | |
1353 | |
1138 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1354 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1139 | } |
1355 | } |
… | |
… | |
1148 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1364 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1149 | |
1365 | |
1150 | if (((W)w)->active < timercnt--) |
1366 | if (((W)w)->active < timercnt--) |
1151 | { |
1367 | { |
1152 | timers [((W)w)->active - 1] = timers [timercnt]; |
1368 | timers [((W)w)->active - 1] = timers [timercnt]; |
1153 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1369 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1154 | } |
1370 | } |
1155 | |
1371 | |
1156 | w->at = w->repeat; |
1372 | ((WT)w)->at -= mn_now; |
1157 | |
1373 | |
1158 | ev_stop (EV_A_ (W)w); |
1374 | ev_stop (EV_A_ (W)w); |
1159 | } |
1375 | } |
1160 | |
1376 | |
1161 | void |
1377 | void |
… | |
… | |
1163 | { |
1379 | { |
1164 | if (ev_is_active (w)) |
1380 | if (ev_is_active (w)) |
1165 | { |
1381 | { |
1166 | if (w->repeat) |
1382 | if (w->repeat) |
1167 | { |
1383 | { |
1168 | w->at = mn_now + w->repeat; |
1384 | ((WT)w)->at = mn_now + w->repeat; |
1169 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1385 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1170 | } |
1386 | } |
1171 | else |
1387 | else |
1172 | ev_timer_stop (EV_A_ w); |
1388 | ev_timer_stop (EV_A_ w); |
1173 | } |
1389 | } |
1174 | else if (w->repeat) |
1390 | else if (w->repeat) |
|
|
1391 | { |
|
|
1392 | w->at = w->repeat; |
1175 | ev_timer_start (EV_A_ w); |
1393 | ev_timer_start (EV_A_ w); |
|
|
1394 | } |
1176 | } |
1395 | } |
1177 | |
1396 | |
|
|
1397 | #if EV_PERIODICS |
1178 | void |
1398 | void |
1179 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1399 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1180 | { |
1400 | { |
1181 | if (ev_is_active (w)) |
1401 | if (ev_is_active (w)) |
1182 | return; |
1402 | return; |
1183 | |
1403 | |
|
|
1404 | if (w->reschedule_cb) |
|
|
1405 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1406 | else if (w->interval) |
|
|
1407 | { |
1184 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1408 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1185 | |
|
|
1186 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1409 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1187 | if (w->interval) |
|
|
1188 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1410 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1411 | } |
1189 | |
1412 | |
1190 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1413 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1191 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1414 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1192 | periodics [periodiccnt - 1] = w; |
1415 | periodics [periodiccnt - 1] = w; |
1193 | upheap ((WT *)periodics, periodiccnt - 1); |
1416 | upheap ((WT *)periodics, periodiccnt - 1); |
1194 | |
1417 | |
1195 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1418 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1196 | } |
1419 | } |
… | |
… | |
1205 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1428 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1206 | |
1429 | |
1207 | if (((W)w)->active < periodiccnt--) |
1430 | if (((W)w)->active < periodiccnt--) |
1208 | { |
1431 | { |
1209 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1432 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1210 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1433 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1211 | } |
1434 | } |
1212 | |
1435 | |
1213 | ev_stop (EV_A_ (W)w); |
1436 | ev_stop (EV_A_ (W)w); |
1214 | } |
1437 | } |
1215 | |
1438 | |
1216 | void |
1439 | void |
|
|
1440 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1441 | { |
|
|
1442 | /* TODO: use adjustheap and recalculation */ |
|
|
1443 | ev_periodic_stop (EV_A_ w); |
|
|
1444 | ev_periodic_start (EV_A_ w); |
|
|
1445 | } |
|
|
1446 | #endif |
|
|
1447 | |
|
|
1448 | void |
1217 | ev_idle_start (EV_P_ struct ev_idle *w) |
1449 | ev_idle_start (EV_P_ struct ev_idle *w) |
1218 | { |
1450 | { |
1219 | if (ev_is_active (w)) |
1451 | if (ev_is_active (w)) |
1220 | return; |
1452 | return; |
1221 | |
1453 | |
1222 | ev_start (EV_A_ (W)w, ++idlecnt); |
1454 | ev_start (EV_A_ (W)w, ++idlecnt); |
1223 | array_needsize (idles, idlemax, idlecnt, ); |
1455 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1224 | idles [idlecnt - 1] = w; |
1456 | idles [idlecnt - 1] = w; |
1225 | } |
1457 | } |
1226 | |
1458 | |
1227 | void |
1459 | void |
1228 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1460 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1229 | { |
1461 | { |
1230 | ev_clear_pending (EV_A_ (W)w); |
1462 | ev_clear_pending (EV_A_ (W)w); |
1231 | if (ev_is_active (w)) |
1463 | if (!ev_is_active (w)) |
1232 | return; |
1464 | return; |
1233 | |
1465 | |
1234 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1466 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1235 | ev_stop (EV_A_ (W)w); |
1467 | ev_stop (EV_A_ (W)w); |
1236 | } |
1468 | } |
… | |
… | |
1240 | { |
1472 | { |
1241 | if (ev_is_active (w)) |
1473 | if (ev_is_active (w)) |
1242 | return; |
1474 | return; |
1243 | |
1475 | |
1244 | ev_start (EV_A_ (W)w, ++preparecnt); |
1476 | ev_start (EV_A_ (W)w, ++preparecnt); |
1245 | array_needsize (prepares, preparemax, preparecnt, ); |
1477 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1246 | prepares [preparecnt - 1] = w; |
1478 | prepares [preparecnt - 1] = w; |
1247 | } |
1479 | } |
1248 | |
1480 | |
1249 | void |
1481 | void |
1250 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1482 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1251 | { |
1483 | { |
1252 | ev_clear_pending (EV_A_ (W)w); |
1484 | ev_clear_pending (EV_A_ (W)w); |
1253 | if (ev_is_active (w)) |
1485 | if (!ev_is_active (w)) |
1254 | return; |
1486 | return; |
1255 | |
1487 | |
1256 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1488 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1257 | ev_stop (EV_A_ (W)w); |
1489 | ev_stop (EV_A_ (W)w); |
1258 | } |
1490 | } |
… | |
… | |
1262 | { |
1494 | { |
1263 | if (ev_is_active (w)) |
1495 | if (ev_is_active (w)) |
1264 | return; |
1496 | return; |
1265 | |
1497 | |
1266 | ev_start (EV_A_ (W)w, ++checkcnt); |
1498 | ev_start (EV_A_ (W)w, ++checkcnt); |
1267 | array_needsize (checks, checkmax, checkcnt, ); |
1499 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1268 | checks [checkcnt - 1] = w; |
1500 | checks [checkcnt - 1] = w; |
1269 | } |
1501 | } |
1270 | |
1502 | |
1271 | void |
1503 | void |
1272 | ev_check_stop (EV_P_ struct ev_check *w) |
1504 | ev_check_stop (EV_P_ struct ev_check *w) |
1273 | { |
1505 | { |
1274 | ev_clear_pending (EV_A_ (W)w); |
1506 | ev_clear_pending (EV_A_ (W)w); |
1275 | if (ev_is_active (w)) |
1507 | if (!ev_is_active (w)) |
1276 | return; |
1508 | return; |
1277 | |
1509 | |
1278 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1510 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1279 | ev_stop (EV_A_ (W)w); |
1511 | ev_stop (EV_A_ (W)w); |
1280 | } |
1512 | } |
… | |
… | |
1285 | |
1517 | |
1286 | void |
1518 | void |
1287 | ev_signal_start (EV_P_ struct ev_signal *w) |
1519 | ev_signal_start (EV_P_ struct ev_signal *w) |
1288 | { |
1520 | { |
1289 | #if EV_MULTIPLICITY |
1521 | #if EV_MULTIPLICITY |
1290 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1522 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1291 | #endif |
1523 | #endif |
1292 | if (ev_is_active (w)) |
1524 | if (ev_is_active (w)) |
1293 | return; |
1525 | return; |
1294 | |
1526 | |
1295 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1527 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1296 | |
1528 | |
1297 | ev_start (EV_A_ (W)w, 1); |
1529 | ev_start (EV_A_ (W)w, 1); |
1298 | array_needsize (signals, signalmax, w->signum, signals_init); |
1530 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1299 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1531 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1300 | |
1532 | |
1301 | if (!w->next) |
1533 | if (!((WL)w)->next) |
1302 | { |
1534 | { |
|
|
1535 | #if _WIN32 |
|
|
1536 | signal (w->signum, sighandler); |
|
|
1537 | #else |
1303 | struct sigaction sa; |
1538 | struct sigaction sa; |
1304 | sa.sa_handler = sighandler; |
1539 | sa.sa_handler = sighandler; |
1305 | sigfillset (&sa.sa_mask); |
1540 | sigfillset (&sa.sa_mask); |
1306 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1541 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1307 | sigaction (w->signum, &sa, 0); |
1542 | sigaction (w->signum, &sa, 0); |
|
|
1543 | #endif |
1308 | } |
1544 | } |
1309 | } |
1545 | } |
1310 | |
1546 | |
1311 | void |
1547 | void |
1312 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1548 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1324 | |
1560 | |
1325 | void |
1561 | void |
1326 | ev_child_start (EV_P_ struct ev_child *w) |
1562 | ev_child_start (EV_P_ struct ev_child *w) |
1327 | { |
1563 | { |
1328 | #if EV_MULTIPLICITY |
1564 | #if EV_MULTIPLICITY |
1329 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1565 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1330 | #endif |
1566 | #endif |
1331 | if (ev_is_active (w)) |
1567 | if (ev_is_active (w)) |
1332 | return; |
1568 | return; |
1333 | |
1569 | |
1334 | ev_start (EV_A_ (W)w, 1); |
1570 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1337 | |
1573 | |
1338 | void |
1574 | void |
1339 | ev_child_stop (EV_P_ struct ev_child *w) |
1575 | ev_child_stop (EV_P_ struct ev_child *w) |
1340 | { |
1576 | { |
1341 | ev_clear_pending (EV_A_ (W)w); |
1577 | ev_clear_pending (EV_A_ (W)w); |
1342 | if (ev_is_active (w)) |
1578 | if (!ev_is_active (w)) |
1343 | return; |
1579 | return; |
1344 | |
1580 | |
1345 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1581 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1346 | ev_stop (EV_A_ (W)w); |
1582 | ev_stop (EV_A_ (W)w); |
1347 | } |
1583 | } |
… | |
… | |
1362 | void (*cb)(int revents, void *arg) = once->cb; |
1598 | void (*cb)(int revents, void *arg) = once->cb; |
1363 | void *arg = once->arg; |
1599 | void *arg = once->arg; |
1364 | |
1600 | |
1365 | ev_io_stop (EV_A_ &once->io); |
1601 | ev_io_stop (EV_A_ &once->io); |
1366 | ev_timer_stop (EV_A_ &once->to); |
1602 | ev_timer_stop (EV_A_ &once->to); |
1367 | free (once); |
1603 | ev_free (once); |
1368 | |
1604 | |
1369 | cb (revents, arg); |
1605 | cb (revents, arg); |
1370 | } |
1606 | } |
1371 | |
1607 | |
1372 | static void |
1608 | static void |
… | |
… | |
1382 | } |
1618 | } |
1383 | |
1619 | |
1384 | void |
1620 | void |
1385 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1621 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1386 | { |
1622 | { |
1387 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1623 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1388 | |
1624 | |
1389 | if (!once) |
1625 | if (!once) |
1390 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1626 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1391 | else |
1627 | else |
1392 | { |
1628 | { |
1393 | once->cb = cb; |
1629 | once->cb = cb; |
1394 | once->arg = arg; |
1630 | once->arg = arg; |
1395 | |
1631 | |
1396 | ev_watcher_init (&once->io, once_cb_io); |
1632 | ev_init (&once->io, once_cb_io); |
1397 | if (fd >= 0) |
1633 | if (fd >= 0) |
1398 | { |
1634 | { |
1399 | ev_io_set (&once->io, fd, events); |
1635 | ev_io_set (&once->io, fd, events); |
1400 | ev_io_start (EV_A_ &once->io); |
1636 | ev_io_start (EV_A_ &once->io); |
1401 | } |
1637 | } |
1402 | |
1638 | |
1403 | ev_watcher_init (&once->to, once_cb_to); |
1639 | ev_init (&once->to, once_cb_to); |
1404 | if (timeout >= 0.) |
1640 | if (timeout >= 0.) |
1405 | { |
1641 | { |
1406 | ev_timer_set (&once->to, timeout, 0.); |
1642 | ev_timer_set (&once->to, timeout, 0.); |
1407 | ev_timer_start (EV_A_ &once->to); |
1643 | ev_timer_start (EV_A_ &once->to); |
1408 | } |
1644 | } |
1409 | } |
1645 | } |
1410 | } |
1646 | } |
1411 | |
1647 | |
|
|
1648 | #ifdef __cplusplus |
|
|
1649 | } |
|
|
1650 | #endif |
|
|
1651 | |