… | |
… | |
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 EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
173 | |
144 | typedef struct ev_watcher *W; |
174 | typedef struct ev_watcher *W; |
145 | typedef struct ev_watcher_list *WL; |
175 | typedef struct ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
176 | typedef struct ev_watcher_time *WT; |
147 | |
177 | |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
178 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
179 | |
|
|
180 | #ifdef _WIN32 |
|
|
181 | # include "ev_win32.c" |
|
|
182 | #endif |
|
|
183 | |
150 | /*****************************************************************************/ |
184 | /*****************************************************************************/ |
151 | |
185 | |
|
|
186 | static void (*syserr_cb)(const char *msg); |
|
|
187 | |
|
|
188 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
189 | { |
|
|
190 | syserr_cb = cb; |
|
|
191 | } |
|
|
192 | |
|
|
193 | static void |
|
|
194 | syserr (const char *msg) |
|
|
195 | { |
|
|
196 | if (!msg) |
|
|
197 | msg = "(libev) system error"; |
|
|
198 | |
|
|
199 | if (syserr_cb) |
|
|
200 | syserr_cb (msg); |
|
|
201 | else |
|
|
202 | { |
|
|
203 | perror (msg); |
|
|
204 | abort (); |
|
|
205 | } |
|
|
206 | } |
|
|
207 | |
|
|
208 | static void *(*alloc)(void *ptr, long size); |
|
|
209 | |
|
|
210 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
211 | { |
|
|
212 | alloc = cb; |
|
|
213 | } |
|
|
214 | |
|
|
215 | static void * |
|
|
216 | ev_realloc (void *ptr, long size) |
|
|
217 | { |
|
|
218 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
219 | |
|
|
220 | if (!ptr && size) |
|
|
221 | { |
|
|
222 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
223 | abort (); |
|
|
224 | } |
|
|
225 | |
|
|
226 | return ptr; |
|
|
227 | } |
|
|
228 | |
|
|
229 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
230 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
231 | |
|
|
232 | /*****************************************************************************/ |
|
|
233 | |
152 | typedef struct |
234 | typedef struct |
153 | { |
235 | { |
154 | struct ev_watcher_list *head; |
236 | WL head; |
155 | unsigned char events; |
237 | unsigned char events; |
156 | unsigned char reify; |
238 | unsigned char reify; |
|
|
239 | #if EV_SELECT_IS_WINSOCKET |
|
|
240 | SOCKET handle; |
|
|
241 | #endif |
157 | } ANFD; |
242 | } ANFD; |
158 | |
243 | |
159 | typedef struct |
244 | typedef struct |
160 | { |
245 | { |
161 | W w; |
246 | W w; |
162 | int events; |
247 | int events; |
163 | } ANPENDING; |
248 | } ANPENDING; |
164 | |
249 | |
165 | #if EV_MULTIPLICITY |
250 | #if EV_MULTIPLICITY |
166 | |
251 | |
167 | struct ev_loop |
252 | struct ev_loop |
168 | { |
253 | { |
|
|
254 | ev_tstamp ev_rt_now; |
|
|
255 | #define ev_rt_now ((loop)->ev_rt_now) |
169 | # define VAR(name,decl) decl; |
256 | #define VAR(name,decl) decl; |
170 | # include "ev_vars.h" |
257 | #include "ev_vars.h" |
171 | }; |
|
|
172 | # undef VAR |
258 | #undef VAR |
|
|
259 | }; |
173 | # include "ev_wrap.h" |
260 | #include "ev_wrap.h" |
|
|
261 | |
|
|
262 | struct ev_loop default_loop_struct; |
|
|
263 | static struct ev_loop *default_loop; |
174 | |
264 | |
175 | #else |
265 | #else |
176 | |
266 | |
|
|
267 | ev_tstamp ev_rt_now; |
177 | # define VAR(name,decl) static decl; |
268 | #define VAR(name,decl) static decl; |
178 | # include "ev_vars.h" |
269 | #include "ev_vars.h" |
179 | # undef VAR |
270 | #undef VAR |
|
|
271 | |
|
|
272 | static int default_loop; |
180 | |
273 | |
181 | #endif |
274 | #endif |
182 | |
275 | |
183 | /*****************************************************************************/ |
276 | /*****************************************************************************/ |
184 | |
277 | |
185 | inline ev_tstamp |
278 | ev_tstamp |
186 | ev_time (void) |
279 | ev_time (void) |
187 | { |
280 | { |
188 | #if EV_USE_REALTIME |
281 | #if EV_USE_REALTIME |
189 | struct timespec ts; |
282 | struct timespec ts; |
190 | clock_gettime (CLOCK_REALTIME, &ts); |
283 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
209 | #endif |
302 | #endif |
210 | |
303 | |
211 | return ev_time (); |
304 | return ev_time (); |
212 | } |
305 | } |
213 | |
306 | |
|
|
307 | #if EV_MULTIPLICITY |
214 | ev_tstamp |
308 | ev_tstamp |
215 | ev_now (EV_P) |
309 | ev_now (EV_P) |
216 | { |
310 | { |
217 | return rt_now; |
311 | return ev_rt_now; |
218 | } |
312 | } |
|
|
313 | #endif |
219 | |
314 | |
220 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
315 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
221 | |
316 | |
222 | #define array_needsize(base,cur,cnt,init) \ |
317 | #define array_needsize(type,base,cur,cnt,init) \ |
223 | if (expect_false ((cnt) > cur)) \ |
318 | if (expect_false ((cnt) > cur)) \ |
224 | { \ |
319 | { \ |
225 | int newcnt = cur; \ |
320 | int newcnt = cur; \ |
226 | do \ |
321 | do \ |
227 | { \ |
322 | { \ |
228 | newcnt = array_roundsize (base, newcnt << 1); \ |
323 | newcnt = array_roundsize (type, newcnt << 1); \ |
229 | } \ |
324 | } \ |
230 | while ((cnt) > newcnt); \ |
325 | while ((cnt) > newcnt); \ |
231 | \ |
326 | \ |
232 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
327 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
233 | init (base + cur, newcnt - cur); \ |
328 | init (base + cur, newcnt - cur); \ |
234 | cur = newcnt; \ |
329 | cur = newcnt; \ |
235 | } |
330 | } |
|
|
331 | |
|
|
332 | #define array_slim(type,stem) \ |
|
|
333 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
334 | { \ |
|
|
335 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
336 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
337 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
338 | } |
|
|
339 | |
|
|
340 | #define array_free(stem, idx) \ |
|
|
341 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
236 | |
342 | |
237 | /*****************************************************************************/ |
343 | /*****************************************************************************/ |
238 | |
344 | |
239 | static void |
345 | static void |
240 | anfds_init (ANFD *base, int count) |
346 | anfds_init (ANFD *base, int count) |
… | |
… | |
247 | |
353 | |
248 | ++base; |
354 | ++base; |
249 | } |
355 | } |
250 | } |
356 | } |
251 | |
357 | |
252 | static void |
358 | void |
253 | event (EV_P_ W w, int events) |
359 | ev_feed_event (EV_P_ void *w, int revents) |
254 | { |
360 | { |
|
|
361 | W w_ = (W)w; |
|
|
362 | |
255 | if (w->pending) |
363 | if (w_->pending) |
256 | { |
364 | { |
257 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
365 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
258 | return; |
366 | return; |
259 | } |
367 | } |
260 | |
368 | |
261 | w->pending = ++pendingcnt [ABSPRI (w)]; |
369 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
262 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
370 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
263 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
371 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
264 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
372 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
265 | } |
373 | } |
266 | |
374 | |
267 | static void |
375 | static void |
268 | queue_events (EV_P_ W *events, int eventcnt, int type) |
376 | queue_events (EV_P_ W *events, int eventcnt, int type) |
269 | { |
377 | { |
270 | int i; |
378 | int i; |
271 | |
379 | |
272 | for (i = 0; i < eventcnt; ++i) |
380 | for (i = 0; i < eventcnt; ++i) |
273 | event (EV_A_ events [i], type); |
381 | ev_feed_event (EV_A_ events [i], type); |
274 | } |
382 | } |
275 | |
383 | |
276 | static void |
384 | inline void |
277 | fd_event (EV_P_ int fd, int events) |
385 | fd_event (EV_P_ int fd, int revents) |
278 | { |
386 | { |
279 | ANFD *anfd = anfds + fd; |
387 | ANFD *anfd = anfds + fd; |
280 | struct ev_io *w; |
388 | struct ev_io *w; |
281 | |
389 | |
282 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
390 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
283 | { |
391 | { |
284 | int ev = w->events & events; |
392 | int ev = w->events & revents; |
285 | |
393 | |
286 | if (ev) |
394 | if (ev) |
287 | event (EV_A_ (W)w, ev); |
395 | ev_feed_event (EV_A_ (W)w, ev); |
288 | } |
396 | } |
|
|
397 | } |
|
|
398 | |
|
|
399 | void |
|
|
400 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
401 | { |
|
|
402 | fd_event (EV_A_ fd, revents); |
289 | } |
403 | } |
290 | |
404 | |
291 | /*****************************************************************************/ |
405 | /*****************************************************************************/ |
292 | |
406 | |
293 | static void |
407 | static void |
… | |
… | |
304 | int events = 0; |
418 | int events = 0; |
305 | |
419 | |
306 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
420 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
307 | events |= w->events; |
421 | events |= w->events; |
308 | |
422 | |
|
|
423 | #if EV_SELECT_IS_WINSOCKET |
|
|
424 | if (events) |
|
|
425 | { |
|
|
426 | unsigned long argp; |
|
|
427 | anfd->handle = _get_osfhandle (fd); |
|
|
428 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
429 | } |
|
|
430 | #endif |
|
|
431 | |
309 | anfd->reify = 0; |
432 | anfd->reify = 0; |
310 | |
433 | |
311 | method_modify (EV_A_ fd, anfd->events, events); |
434 | method_modify (EV_A_ fd, anfd->events, events); |
312 | anfd->events = events; |
435 | anfd->events = events; |
313 | } |
436 | } |
… | |
… | |
316 | } |
439 | } |
317 | |
440 | |
318 | static void |
441 | static void |
319 | fd_change (EV_P_ int fd) |
442 | fd_change (EV_P_ int fd) |
320 | { |
443 | { |
321 | if (anfds [fd].reify || fdchangecnt < 0) |
444 | if (anfds [fd].reify) |
322 | return; |
445 | return; |
323 | |
446 | |
324 | anfds [fd].reify = 1; |
447 | anfds [fd].reify = 1; |
325 | |
448 | |
326 | ++fdchangecnt; |
449 | ++fdchangecnt; |
327 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
450 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
328 | fdchanges [fdchangecnt - 1] = fd; |
451 | fdchanges [fdchangecnt - 1] = fd; |
329 | } |
452 | } |
330 | |
453 | |
331 | static void |
454 | static void |
332 | fd_kill (EV_P_ int fd) |
455 | fd_kill (EV_P_ int fd) |
… | |
… | |
334 | struct ev_io *w; |
457 | struct ev_io *w; |
335 | |
458 | |
336 | while ((w = (struct ev_io *)anfds [fd].head)) |
459 | while ((w = (struct ev_io *)anfds [fd].head)) |
337 | { |
460 | { |
338 | ev_io_stop (EV_A_ w); |
461 | ev_io_stop (EV_A_ w); |
339 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
462 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
340 | } |
463 | } |
|
|
464 | } |
|
|
465 | |
|
|
466 | static int |
|
|
467 | fd_valid (int fd) |
|
|
468 | { |
|
|
469 | #ifdef _WIN32 |
|
|
470 | return _get_osfhandle (fd) != -1; |
|
|
471 | #else |
|
|
472 | return fcntl (fd, F_GETFD) != -1; |
|
|
473 | #endif |
341 | } |
474 | } |
342 | |
475 | |
343 | /* called on EBADF to verify fds */ |
476 | /* called on EBADF to verify fds */ |
344 | static void |
477 | static void |
345 | fd_ebadf (EV_P) |
478 | fd_ebadf (EV_P) |
346 | { |
479 | { |
347 | int fd; |
480 | int fd; |
348 | |
481 | |
349 | for (fd = 0; fd < anfdmax; ++fd) |
482 | for (fd = 0; fd < anfdmax; ++fd) |
350 | if (anfds [fd].events) |
483 | if (anfds [fd].events) |
351 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
484 | if (!fd_valid (fd) == -1 && errno == EBADF) |
352 | fd_kill (EV_A_ fd); |
485 | fd_kill (EV_A_ fd); |
353 | } |
486 | } |
354 | |
487 | |
355 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
488 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
356 | static void |
489 | static void |
… | |
… | |
359 | int fd; |
492 | int fd; |
360 | |
493 | |
361 | for (fd = anfdmax; fd--; ) |
494 | for (fd = anfdmax; fd--; ) |
362 | if (anfds [fd].events) |
495 | if (anfds [fd].events) |
363 | { |
496 | { |
364 | close (fd); |
|
|
365 | fd_kill (EV_A_ fd); |
497 | fd_kill (EV_A_ fd); |
366 | return; |
498 | return; |
367 | } |
499 | } |
368 | } |
500 | } |
369 | |
501 | |
370 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
502 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
371 | static void |
503 | static void |
372 | fd_rearm_all (EV_P) |
504 | fd_rearm_all (EV_P) |
373 | { |
505 | { |
374 | int fd; |
506 | int fd; |
375 | |
507 | |
… | |
… | |
423 | |
555 | |
424 | heap [k] = w; |
556 | heap [k] = w; |
425 | ((W)heap [k])->active = k + 1; |
557 | ((W)heap [k])->active = k + 1; |
426 | } |
558 | } |
427 | |
559 | |
|
|
560 | inline void |
|
|
561 | adjustheap (WT *heap, int N, int k) |
|
|
562 | { |
|
|
563 | upheap (heap, k); |
|
|
564 | downheap (heap, N, k); |
|
|
565 | } |
|
|
566 | |
428 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
429 | |
568 | |
430 | typedef struct |
569 | typedef struct |
431 | { |
570 | { |
432 | struct ev_watcher_list *head; |
571 | WL head; |
433 | sig_atomic_t volatile gotsig; |
572 | sig_atomic_t volatile gotsig; |
434 | } ANSIG; |
573 | } ANSIG; |
435 | |
574 | |
436 | static ANSIG *signals; |
575 | static ANSIG *signals; |
437 | static int signalmax; |
576 | static int signalmax; |
… | |
… | |
453 | } |
592 | } |
454 | |
593 | |
455 | static void |
594 | static void |
456 | sighandler (int signum) |
595 | sighandler (int signum) |
457 | { |
596 | { |
|
|
597 | #if _WIN32 |
|
|
598 | signal (signum, sighandler); |
|
|
599 | #endif |
|
|
600 | |
458 | signals [signum - 1].gotsig = 1; |
601 | signals [signum - 1].gotsig = 1; |
459 | |
602 | |
460 | if (!gotsig) |
603 | if (!gotsig) |
461 | { |
604 | { |
462 | int old_errno = errno; |
605 | int old_errno = errno; |
… | |
… | |
464 | write (sigpipe [1], &signum, 1); |
607 | write (sigpipe [1], &signum, 1); |
465 | errno = old_errno; |
608 | errno = old_errno; |
466 | } |
609 | } |
467 | } |
610 | } |
468 | |
611 | |
|
|
612 | void |
|
|
613 | ev_feed_signal_event (EV_P_ int signum) |
|
|
614 | { |
|
|
615 | WL w; |
|
|
616 | |
|
|
617 | #if EV_MULTIPLICITY |
|
|
618 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
|
|
619 | #endif |
|
|
620 | |
|
|
621 | --signum; |
|
|
622 | |
|
|
623 | if (signum < 0 || signum >= signalmax) |
|
|
624 | return; |
|
|
625 | |
|
|
626 | signals [signum].gotsig = 0; |
|
|
627 | |
|
|
628 | for (w = signals [signum].head; w; w = w->next) |
|
|
629 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
630 | } |
|
|
631 | |
469 | static void |
632 | static void |
470 | sigcb (EV_P_ struct ev_io *iow, int revents) |
633 | sigcb (EV_P_ struct ev_io *iow, int revents) |
471 | { |
634 | { |
472 | struct ev_watcher_list *w; |
|
|
473 | int signum; |
635 | int signum; |
474 | |
636 | |
475 | read (sigpipe [0], &revents, 1); |
637 | read (sigpipe [0], &revents, 1); |
476 | gotsig = 0; |
638 | gotsig = 0; |
477 | |
639 | |
478 | for (signum = signalmax; signum--; ) |
640 | for (signum = signalmax; signum--; ) |
479 | if (signals [signum].gotsig) |
641 | if (signals [signum].gotsig) |
480 | { |
642 | ev_feed_signal_event (EV_A_ signum + 1); |
481 | signals [signum].gotsig = 0; |
643 | } |
482 | |
644 | |
483 | for (w = signals [signum].head; w; w = w->next) |
645 | inline void |
484 | event (EV_A_ (W)w, EV_SIGNAL); |
646 | fd_intern (int fd) |
485 | } |
647 | { |
|
|
648 | #ifdef _WIN32 |
|
|
649 | int arg = 1; |
|
|
650 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
651 | #else |
|
|
652 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
653 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
654 | #endif |
486 | } |
655 | } |
487 | |
656 | |
488 | static void |
657 | static void |
489 | siginit (EV_P) |
658 | siginit (EV_P) |
490 | { |
659 | { |
491 | #ifndef WIN32 |
660 | fd_intern (sigpipe [0]); |
492 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
661 | fd_intern (sigpipe [1]); |
493 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
494 | |
|
|
495 | /* rather than sort out wether we really need nb, set it */ |
|
|
496 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
497 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
498 | #endif |
|
|
499 | |
662 | |
500 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
663 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
501 | ev_io_start (EV_A_ &sigev); |
664 | ev_io_start (EV_A_ &sigev); |
502 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
665 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
503 | } |
666 | } |
504 | |
667 | |
505 | /*****************************************************************************/ |
668 | /*****************************************************************************/ |
506 | |
669 | |
507 | #ifndef WIN32 |
|
|
508 | |
|
|
509 | static struct ev_child *childs [PID_HASHSIZE]; |
670 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
671 | |
|
|
672 | #ifndef _WIN32 |
|
|
673 | |
510 | static struct ev_signal childev; |
674 | static struct ev_signal childev; |
511 | |
675 | |
512 | #ifndef WCONTINUED |
676 | #ifndef WCONTINUED |
513 | # define WCONTINUED 0 |
677 | # define WCONTINUED 0 |
514 | #endif |
678 | #endif |
… | |
… | |
522 | if (w->pid == pid || !w->pid) |
686 | if (w->pid == pid || !w->pid) |
523 | { |
687 | { |
524 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
688 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
525 | w->rpid = pid; |
689 | w->rpid = pid; |
526 | w->rstatus = status; |
690 | w->rstatus = status; |
527 | event (EV_A_ (W)w, EV_CHILD); |
691 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
528 | } |
692 | } |
529 | } |
693 | } |
530 | |
694 | |
531 | static void |
695 | static void |
532 | childcb (EV_P_ struct ev_signal *sw, int revents) |
696 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
534 | int pid, status; |
698 | int pid, status; |
535 | |
699 | |
536 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
700 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
537 | { |
701 | { |
538 | /* make sure we are called again until all childs have been reaped */ |
702 | /* make sure we are called again until all childs have been reaped */ |
539 | event (EV_A_ (W)sw, EV_SIGNAL); |
703 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
540 | |
704 | |
541 | child_reap (EV_A_ sw, pid, pid, status); |
705 | child_reap (EV_A_ sw, pid, pid, status); |
542 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
706 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
543 | } |
707 | } |
544 | } |
708 | } |
… | |
… | |
574 | |
738 | |
575 | /* return true if we are running with elevated privileges and should ignore env variables */ |
739 | /* return true if we are running with elevated privileges and should ignore env variables */ |
576 | static int |
740 | static int |
577 | enable_secure (void) |
741 | enable_secure (void) |
578 | { |
742 | { |
579 | #ifdef WIN32 |
743 | #ifdef _WIN32 |
580 | return 0; |
744 | return 0; |
581 | #else |
745 | #else |
582 | return getuid () != geteuid () |
746 | return getuid () != geteuid () |
583 | || getgid () != getegid (); |
747 | || getgid () != getegid (); |
584 | #endif |
748 | #endif |
… | |
… | |
589 | { |
753 | { |
590 | return method; |
754 | return method; |
591 | } |
755 | } |
592 | |
756 | |
593 | static void |
757 | static void |
594 | loop_init (EV_P_ int methods) |
758 | loop_init (EV_P_ unsigned int flags) |
595 | { |
759 | { |
596 | if (!method) |
760 | if (!method) |
597 | { |
761 | { |
598 | #if EV_USE_MONOTONIC |
762 | #if EV_USE_MONOTONIC |
599 | { |
763 | { |
… | |
… | |
601 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
765 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
602 | have_monotonic = 1; |
766 | have_monotonic = 1; |
603 | } |
767 | } |
604 | #endif |
768 | #endif |
605 | |
769 | |
606 | rt_now = ev_time (); |
770 | ev_rt_now = ev_time (); |
607 | mn_now = get_clock (); |
771 | mn_now = get_clock (); |
608 | now_floor = mn_now; |
772 | now_floor = mn_now; |
609 | rtmn_diff = rt_now - mn_now; |
773 | rtmn_diff = ev_rt_now - mn_now; |
610 | |
774 | |
611 | if (methods == EVMETHOD_AUTO) |
775 | if (!(flags & EVMETHOD_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
612 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
613 | methods = atoi (getenv ("LIBEV_METHODS")); |
776 | flags = atoi (getenv ("LIBEV_FLAGS")); |
614 | else |
777 | |
615 | methods = EVMETHOD_ANY; |
778 | if (!(flags & 0x0000ffff)) |
|
|
779 | flags |= 0x0000ffff; |
616 | |
780 | |
617 | method = 0; |
781 | method = 0; |
618 | #if EV_USE_WIN32 |
|
|
619 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
620 | #endif |
|
|
621 | #if EV_USE_KQUEUE |
782 | #if EV_USE_KQUEUE |
622 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
783 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
623 | #endif |
784 | #endif |
624 | #if EV_USE_EPOLL |
785 | #if EV_USE_EPOLL |
625 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
786 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
626 | #endif |
787 | #endif |
627 | #if EV_USE_POLL |
788 | #if EV_USE_POLL |
628 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
789 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
629 | #endif |
790 | #endif |
630 | #if EV_USE_SELECT |
791 | #if EV_USE_SELECT |
631 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
792 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
632 | #endif |
793 | #endif |
|
|
794 | |
|
|
795 | ev_init (&sigev, sigcb); |
|
|
796 | ev_set_priority (&sigev, EV_MAXPRI); |
633 | } |
797 | } |
634 | } |
798 | } |
635 | |
799 | |
636 | void |
800 | void |
637 | loop_destroy (EV_P) |
801 | loop_destroy (EV_P) |
638 | { |
802 | { |
639 | #if EV_USE_WIN32 |
803 | int i; |
640 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
804 | |
641 | #endif |
|
|
642 | #if EV_USE_KQUEUE |
805 | #if EV_USE_KQUEUE |
643 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
806 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
644 | #endif |
807 | #endif |
645 | #if EV_USE_EPOLL |
808 | #if EV_USE_EPOLL |
646 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
809 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
… | |
… | |
650 | #endif |
813 | #endif |
651 | #if EV_USE_SELECT |
814 | #if EV_USE_SELECT |
652 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
815 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
653 | #endif |
816 | #endif |
654 | |
817 | |
|
|
818 | for (i = NUMPRI; i--; ) |
|
|
819 | array_free (pending, [i]); |
|
|
820 | |
|
|
821 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
822 | array_free (fdchange, EMPTY); |
|
|
823 | array_free (timer, EMPTY); |
|
|
824 | #if EV_PERIODICS |
|
|
825 | array_free (periodic, EMPTY); |
|
|
826 | #endif |
|
|
827 | array_free (idle, EMPTY); |
|
|
828 | array_free (prepare, EMPTY); |
|
|
829 | array_free (check, EMPTY); |
|
|
830 | |
655 | method = 0; |
831 | method = 0; |
656 | /*TODO*/ |
|
|
657 | } |
832 | } |
658 | |
833 | |
659 | void |
834 | static void |
660 | loop_fork (EV_P) |
835 | loop_fork (EV_P) |
661 | { |
836 | { |
662 | /*TODO*/ |
|
|
663 | #if EV_USE_EPOLL |
837 | #if EV_USE_EPOLL |
664 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
838 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
665 | #endif |
839 | #endif |
666 | #if EV_USE_KQUEUE |
840 | #if EV_USE_KQUEUE |
667 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
841 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
668 | #endif |
842 | #endif |
|
|
843 | |
|
|
844 | if (ev_is_active (&sigev)) |
|
|
845 | { |
|
|
846 | /* default loop */ |
|
|
847 | |
|
|
848 | ev_ref (EV_A); |
|
|
849 | ev_io_stop (EV_A_ &sigev); |
|
|
850 | close (sigpipe [0]); |
|
|
851 | close (sigpipe [1]); |
|
|
852 | |
|
|
853 | while (pipe (sigpipe)) |
|
|
854 | syserr ("(libev) error creating pipe"); |
|
|
855 | |
|
|
856 | siginit (EV_A); |
|
|
857 | } |
|
|
858 | |
|
|
859 | postfork = 0; |
669 | } |
860 | } |
670 | |
861 | |
671 | #if EV_MULTIPLICITY |
862 | #if EV_MULTIPLICITY |
672 | struct ev_loop * |
863 | struct ev_loop * |
673 | ev_loop_new (int methods) |
864 | ev_loop_new (unsigned int flags) |
674 | { |
865 | { |
675 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
866 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
676 | |
867 | |
|
|
868 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
869 | |
677 | loop_init (EV_A_ methods); |
870 | loop_init (EV_A_ flags); |
678 | |
871 | |
679 | if (ev_method (EV_A)) |
872 | if (ev_method (EV_A)) |
680 | return loop; |
873 | return loop; |
681 | |
874 | |
682 | return 0; |
875 | return 0; |
… | |
… | |
684 | |
877 | |
685 | void |
878 | void |
686 | ev_loop_destroy (EV_P) |
879 | ev_loop_destroy (EV_P) |
687 | { |
880 | { |
688 | loop_destroy (EV_A); |
881 | loop_destroy (EV_A); |
689 | free (loop); |
882 | ev_free (loop); |
690 | } |
883 | } |
691 | |
884 | |
692 | void |
885 | void |
693 | ev_loop_fork (EV_P) |
886 | ev_loop_fork (EV_P) |
694 | { |
887 | { |
695 | loop_fork (EV_A); |
888 | postfork = 1; |
696 | } |
889 | } |
697 | |
890 | |
698 | #endif |
891 | #endif |
699 | |
892 | |
700 | #if EV_MULTIPLICITY |
893 | #if EV_MULTIPLICITY |
701 | struct ev_loop default_loop_struct; |
|
|
702 | static struct ev_loop *default_loop; |
|
|
703 | |
|
|
704 | struct ev_loop * |
894 | struct ev_loop * |
705 | #else |
895 | #else |
706 | static int default_loop; |
|
|
707 | |
|
|
708 | int |
896 | int |
709 | #endif |
897 | #endif |
710 | ev_default_loop (int methods) |
898 | ev_default_loop (unsigned int flags) |
711 | { |
899 | { |
712 | if (sigpipe [0] == sigpipe [1]) |
900 | if (sigpipe [0] == sigpipe [1]) |
713 | if (pipe (sigpipe)) |
901 | if (pipe (sigpipe)) |
714 | return 0; |
902 | return 0; |
715 | |
903 | |
… | |
… | |
719 | struct ev_loop *loop = default_loop = &default_loop_struct; |
907 | struct ev_loop *loop = default_loop = &default_loop_struct; |
720 | #else |
908 | #else |
721 | default_loop = 1; |
909 | default_loop = 1; |
722 | #endif |
910 | #endif |
723 | |
911 | |
724 | loop_init (EV_A_ methods); |
912 | loop_init (EV_A_ flags); |
725 | |
913 | |
726 | if (ev_method (EV_A)) |
914 | if (ev_method (EV_A)) |
727 | { |
915 | { |
728 | ev_watcher_init (&sigev, sigcb); |
|
|
729 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
730 | siginit (EV_A); |
916 | siginit (EV_A); |
731 | |
917 | |
732 | #ifndef WIN32 |
918 | #ifndef _WIN32 |
733 | ev_signal_init (&childev, childcb, SIGCHLD); |
919 | ev_signal_init (&childev, childcb, SIGCHLD); |
734 | ev_set_priority (&childev, EV_MAXPRI); |
920 | ev_set_priority (&childev, EV_MAXPRI); |
735 | ev_signal_start (EV_A_ &childev); |
921 | ev_signal_start (EV_A_ &childev); |
736 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
922 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
737 | #endif |
923 | #endif |
… | |
… | |
748 | { |
934 | { |
749 | #if EV_MULTIPLICITY |
935 | #if EV_MULTIPLICITY |
750 | struct ev_loop *loop = default_loop; |
936 | struct ev_loop *loop = default_loop; |
751 | #endif |
937 | #endif |
752 | |
938 | |
|
|
939 | #ifndef _WIN32 |
753 | ev_ref (EV_A); /* child watcher */ |
940 | ev_ref (EV_A); /* child watcher */ |
754 | ev_signal_stop (EV_A_ &childev); |
941 | ev_signal_stop (EV_A_ &childev); |
|
|
942 | #endif |
755 | |
943 | |
756 | ev_ref (EV_A); /* signal watcher */ |
944 | ev_ref (EV_A); /* signal watcher */ |
757 | ev_io_stop (EV_A_ &sigev); |
945 | ev_io_stop (EV_A_ &sigev); |
758 | |
946 | |
759 | close (sigpipe [0]); sigpipe [0] = 0; |
947 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
767 | { |
955 | { |
768 | #if EV_MULTIPLICITY |
956 | #if EV_MULTIPLICITY |
769 | struct ev_loop *loop = default_loop; |
957 | struct ev_loop *loop = default_loop; |
770 | #endif |
958 | #endif |
771 | |
959 | |
772 | loop_fork (EV_A); |
960 | if (method) |
773 | |
961 | postfork = 1; |
774 | ev_io_stop (EV_A_ &sigev); |
|
|
775 | close (sigpipe [0]); |
|
|
776 | close (sigpipe [1]); |
|
|
777 | pipe (sigpipe); |
|
|
778 | |
|
|
779 | ev_ref (EV_A); /* signal watcher */ |
|
|
780 | siginit (EV_A); |
|
|
781 | } |
962 | } |
782 | |
963 | |
783 | /*****************************************************************************/ |
964 | /*****************************************************************************/ |
|
|
965 | |
|
|
966 | static int |
|
|
967 | any_pending (EV_P) |
|
|
968 | { |
|
|
969 | int pri; |
|
|
970 | |
|
|
971 | for (pri = NUMPRI; pri--; ) |
|
|
972 | if (pendingcnt [pri]) |
|
|
973 | return 1; |
|
|
974 | |
|
|
975 | return 0; |
|
|
976 | } |
784 | |
977 | |
785 | static void |
978 | static void |
786 | call_pending (EV_P) |
979 | call_pending (EV_P) |
787 | { |
980 | { |
788 | int pri; |
981 | int pri; |
… | |
… | |
793 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
986 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
794 | |
987 | |
795 | if (p->w) |
988 | if (p->w) |
796 | { |
989 | { |
797 | p->w->pending = 0; |
990 | p->w->pending = 0; |
798 | |
991 | EV_CB_INVOKE (p->w, p->events); |
799 | (*(void (**)(EV_P_ W, int))&p->w->cb) (EV_A_ p->w, p->events); |
|
|
800 | } |
992 | } |
801 | } |
993 | } |
802 | } |
994 | } |
803 | |
995 | |
804 | static void |
996 | static void |
… | |
… | |
812 | |
1004 | |
813 | /* first reschedule or stop timer */ |
1005 | /* first reschedule or stop timer */ |
814 | if (w->repeat) |
1006 | if (w->repeat) |
815 | { |
1007 | { |
816 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1008 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1009 | |
817 | ((WT)w)->at = mn_now + w->repeat; |
1010 | ((WT)w)->at += w->repeat; |
|
|
1011 | if (((WT)w)->at < mn_now) |
|
|
1012 | ((WT)w)->at = mn_now; |
|
|
1013 | |
818 | downheap ((WT *)timers, timercnt, 0); |
1014 | downheap ((WT *)timers, timercnt, 0); |
819 | } |
1015 | } |
820 | else |
1016 | else |
821 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1017 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
822 | |
1018 | |
823 | event (EV_A_ (W)w, EV_TIMEOUT); |
1019 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
824 | } |
1020 | } |
825 | } |
1021 | } |
826 | |
1022 | |
|
|
1023 | #if EV_PERIODICS |
827 | static void |
1024 | static void |
828 | periodics_reify (EV_P) |
1025 | periodics_reify (EV_P) |
829 | { |
1026 | { |
830 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1027 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
831 | { |
1028 | { |
832 | struct ev_periodic *w = periodics [0]; |
1029 | struct ev_periodic *w = periodics [0]; |
833 | |
1030 | |
834 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1031 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
835 | |
1032 | |
836 | /* first reschedule or stop timer */ |
1033 | /* first reschedule or stop timer */ |
837 | if (w->interval) |
1034 | if (w->reschedule_cb) |
838 | { |
1035 | { |
|
|
1036 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1037 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1038 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1039 | } |
|
|
1040 | else if (w->interval) |
|
|
1041 | { |
839 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1042 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
840 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1043 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
841 | downheap ((WT *)periodics, periodiccnt, 0); |
1044 | downheap ((WT *)periodics, periodiccnt, 0); |
842 | } |
1045 | } |
843 | else |
1046 | else |
844 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1047 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
845 | |
1048 | |
846 | event (EV_A_ (W)w, EV_PERIODIC); |
1049 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
847 | } |
1050 | } |
848 | } |
1051 | } |
849 | |
1052 | |
850 | static void |
1053 | static void |
851 | periodics_reschedule (EV_P) |
1054 | periodics_reschedule (EV_P) |
… | |
… | |
855 | /* adjust periodics after time jump */ |
1058 | /* adjust periodics after time jump */ |
856 | for (i = 0; i < periodiccnt; ++i) |
1059 | for (i = 0; i < periodiccnt; ++i) |
857 | { |
1060 | { |
858 | struct ev_periodic *w = periodics [i]; |
1061 | struct ev_periodic *w = periodics [i]; |
859 | |
1062 | |
|
|
1063 | if (w->reschedule_cb) |
|
|
1064 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
860 | if (w->interval) |
1065 | else if (w->interval) |
861 | { |
|
|
862 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1066 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
863 | |
|
|
864 | if (fabs (diff) >= 1e-4) |
|
|
865 | { |
|
|
866 | ev_periodic_stop (EV_A_ w); |
|
|
867 | ev_periodic_start (EV_A_ w); |
|
|
868 | |
|
|
869 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
870 | } |
|
|
871 | } |
|
|
872 | } |
1067 | } |
|
|
1068 | |
|
|
1069 | /* now rebuild the heap */ |
|
|
1070 | for (i = periodiccnt >> 1; i--; ) |
|
|
1071 | downheap ((WT *)periodics, periodiccnt, i); |
873 | } |
1072 | } |
|
|
1073 | #endif |
874 | |
1074 | |
875 | inline int |
1075 | inline int |
876 | time_update_monotonic (EV_P) |
1076 | time_update_monotonic (EV_P) |
877 | { |
1077 | { |
878 | mn_now = get_clock (); |
1078 | mn_now = get_clock (); |
879 | |
1079 | |
880 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1080 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
881 | { |
1081 | { |
882 | rt_now = rtmn_diff + mn_now; |
1082 | ev_rt_now = rtmn_diff + mn_now; |
883 | return 0; |
1083 | return 0; |
884 | } |
1084 | } |
885 | else |
1085 | else |
886 | { |
1086 | { |
887 | now_floor = mn_now; |
1087 | now_floor = mn_now; |
888 | rt_now = ev_time (); |
1088 | ev_rt_now = ev_time (); |
889 | return 1; |
1089 | return 1; |
890 | } |
1090 | } |
891 | } |
1091 | } |
892 | |
1092 | |
893 | static void |
1093 | static void |
… | |
… | |
902 | { |
1102 | { |
903 | ev_tstamp odiff = rtmn_diff; |
1103 | ev_tstamp odiff = rtmn_diff; |
904 | |
1104 | |
905 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1105 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
906 | { |
1106 | { |
907 | rtmn_diff = rt_now - mn_now; |
1107 | rtmn_diff = ev_rt_now - mn_now; |
908 | |
1108 | |
909 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1109 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
910 | return; /* all is well */ |
1110 | return; /* all is well */ |
911 | |
1111 | |
912 | rt_now = ev_time (); |
1112 | ev_rt_now = ev_time (); |
913 | mn_now = get_clock (); |
1113 | mn_now = get_clock (); |
914 | now_floor = mn_now; |
1114 | now_floor = mn_now; |
915 | } |
1115 | } |
916 | |
1116 | |
|
|
1117 | # if EV_PERIODICS |
917 | periodics_reschedule (EV_A); |
1118 | periodics_reschedule (EV_A); |
|
|
1119 | # endif |
918 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1120 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
919 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1121 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
920 | } |
1122 | } |
921 | } |
1123 | } |
922 | else |
1124 | else |
923 | #endif |
1125 | #endif |
924 | { |
1126 | { |
925 | rt_now = ev_time (); |
1127 | ev_rt_now = ev_time (); |
926 | |
1128 | |
927 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1129 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
928 | { |
1130 | { |
|
|
1131 | #if EV_PERIODICS |
929 | periodics_reschedule (EV_A); |
1132 | periodics_reschedule (EV_A); |
|
|
1133 | #endif |
930 | |
1134 | |
931 | /* adjust timers. this is easy, as the offset is the same for all */ |
1135 | /* adjust timers. this is easy, as the offset is the same for all */ |
932 | for (i = 0; i < timercnt; ++i) |
1136 | for (i = 0; i < timercnt; ++i) |
933 | ((WT)timers [i])->at += rt_now - mn_now; |
1137 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
934 | } |
1138 | } |
935 | |
1139 | |
936 | mn_now = rt_now; |
1140 | mn_now = ev_rt_now; |
937 | } |
1141 | } |
938 | } |
1142 | } |
939 | |
1143 | |
940 | void |
1144 | void |
941 | ev_ref (EV_P) |
1145 | ev_ref (EV_P) |
… | |
… | |
964 | { |
1168 | { |
965 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1169 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
966 | call_pending (EV_A); |
1170 | call_pending (EV_A); |
967 | } |
1171 | } |
968 | |
1172 | |
|
|
1173 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1174 | if (expect_false (postfork)) |
|
|
1175 | loop_fork (EV_A); |
|
|
1176 | |
969 | /* update fd-related kernel structures */ |
1177 | /* update fd-related kernel structures */ |
970 | fd_reify (EV_A); |
1178 | fd_reify (EV_A); |
971 | |
1179 | |
972 | /* calculate blocking time */ |
1180 | /* calculate blocking time */ |
973 | |
1181 | |
974 | /* we only need this for !monotonic clockor timers, but as we basically |
1182 | /* we only need this for !monotonic clock or timers, but as we basically |
975 | always have timers, we just calculate it always */ |
1183 | always have timers, we just calculate it always */ |
976 | #if EV_USE_MONOTONIC |
1184 | #if EV_USE_MONOTONIC |
977 | if (expect_true (have_monotonic)) |
1185 | if (expect_true (have_monotonic)) |
978 | time_update_monotonic (EV_A); |
1186 | time_update_monotonic (EV_A); |
979 | else |
1187 | else |
980 | #endif |
1188 | #endif |
981 | { |
1189 | { |
982 | rt_now = ev_time (); |
1190 | ev_rt_now = ev_time (); |
983 | mn_now = rt_now; |
1191 | mn_now = ev_rt_now; |
984 | } |
1192 | } |
985 | |
1193 | |
986 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1194 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
987 | block = 0.; |
1195 | block = 0.; |
988 | else |
1196 | else |
… | |
… | |
993 | { |
1201 | { |
994 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1202 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
995 | if (block > to) block = to; |
1203 | if (block > to) block = to; |
996 | } |
1204 | } |
997 | |
1205 | |
|
|
1206 | #if EV_PERIODICS |
998 | if (periodiccnt) |
1207 | if (periodiccnt) |
999 | { |
1208 | { |
1000 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1209 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1001 | if (block > to) block = to; |
1210 | if (block > to) block = to; |
1002 | } |
1211 | } |
|
|
1212 | #endif |
1003 | |
1213 | |
1004 | if (block < 0.) block = 0.; |
1214 | if (block < 0.) block = 0.; |
1005 | } |
1215 | } |
1006 | |
1216 | |
1007 | method_poll (EV_A_ block); |
1217 | method_poll (EV_A_ block); |
1008 | |
1218 | |
1009 | /* update rt_now, do magic */ |
1219 | /* update ev_rt_now, do magic */ |
1010 | time_update (EV_A); |
1220 | time_update (EV_A); |
1011 | |
1221 | |
1012 | /* queue pending timers and reschedule them */ |
1222 | /* queue pending timers and reschedule them */ |
1013 | timers_reify (EV_A); /* relative timers called last */ |
1223 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1224 | #if EV_PERIODICS |
1014 | periodics_reify (EV_A); /* absolute timers called first */ |
1225 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1226 | #endif |
1015 | |
1227 | |
1016 | /* queue idle watchers unless io or timers are pending */ |
1228 | /* queue idle watchers unless io or timers are pending */ |
1017 | if (!pendingcnt) |
1229 | if (idlecnt && !any_pending (EV_A)) |
1018 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1230 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1019 | |
1231 | |
1020 | /* queue check watchers, to be executed first */ |
1232 | /* queue check watchers, to be executed first */ |
1021 | if (checkcnt) |
1233 | if (checkcnt) |
1022 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1234 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
1097 | return; |
1309 | return; |
1098 | |
1310 | |
1099 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1311 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1100 | |
1312 | |
1101 | ev_start (EV_A_ (W)w, 1); |
1313 | ev_start (EV_A_ (W)w, 1); |
1102 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1314 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1103 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1315 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1104 | |
1316 | |
1105 | fd_change (EV_A_ fd); |
1317 | fd_change (EV_A_ fd); |
1106 | } |
1318 | } |
1107 | |
1319 | |
… | |
… | |
1110 | { |
1322 | { |
1111 | ev_clear_pending (EV_A_ (W)w); |
1323 | ev_clear_pending (EV_A_ (W)w); |
1112 | if (!ev_is_active (w)) |
1324 | if (!ev_is_active (w)) |
1113 | return; |
1325 | return; |
1114 | |
1326 | |
|
|
1327 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1328 | |
1115 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1329 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1116 | ev_stop (EV_A_ (W)w); |
1330 | ev_stop (EV_A_ (W)w); |
1117 | |
1331 | |
1118 | fd_change (EV_A_ w->fd); |
1332 | fd_change (EV_A_ w->fd); |
1119 | } |
1333 | } |
… | |
… | |
1127 | ((WT)w)->at += mn_now; |
1341 | ((WT)w)->at += mn_now; |
1128 | |
1342 | |
1129 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1343 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1130 | |
1344 | |
1131 | ev_start (EV_A_ (W)w, ++timercnt); |
1345 | ev_start (EV_A_ (W)w, ++timercnt); |
1132 | array_needsize (timers, timermax, timercnt, ); |
1346 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1133 | timers [timercnt - 1] = w; |
1347 | timers [timercnt - 1] = w; |
1134 | upheap ((WT *)timers, timercnt - 1); |
1348 | upheap ((WT *)timers, timercnt - 1); |
1135 | |
1349 | |
1136 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1350 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1137 | } |
1351 | } |
… | |
… | |
1146 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1360 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1147 | |
1361 | |
1148 | if (((W)w)->active < timercnt--) |
1362 | if (((W)w)->active < timercnt--) |
1149 | { |
1363 | { |
1150 | timers [((W)w)->active - 1] = timers [timercnt]; |
1364 | timers [((W)w)->active - 1] = timers [timercnt]; |
1151 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1365 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1152 | } |
1366 | } |
1153 | |
1367 | |
1154 | ((WT)w)->at = w->repeat; |
1368 | ((WT)w)->at -= mn_now; |
1155 | |
1369 | |
1156 | ev_stop (EV_A_ (W)w); |
1370 | ev_stop (EV_A_ (W)w); |
1157 | } |
1371 | } |
1158 | |
1372 | |
1159 | void |
1373 | void |
… | |
… | |
1162 | if (ev_is_active (w)) |
1376 | if (ev_is_active (w)) |
1163 | { |
1377 | { |
1164 | if (w->repeat) |
1378 | if (w->repeat) |
1165 | { |
1379 | { |
1166 | ((WT)w)->at = mn_now + w->repeat; |
1380 | ((WT)w)->at = mn_now + w->repeat; |
1167 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1381 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1168 | } |
1382 | } |
1169 | else |
1383 | else |
1170 | ev_timer_stop (EV_A_ w); |
1384 | ev_timer_stop (EV_A_ w); |
1171 | } |
1385 | } |
1172 | else if (w->repeat) |
1386 | else if (w->repeat) |
1173 | ev_timer_start (EV_A_ w); |
1387 | ev_timer_start (EV_A_ w); |
1174 | } |
1388 | } |
1175 | |
1389 | |
|
|
1390 | #if EV_PERIODICS |
1176 | void |
1391 | void |
1177 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1392 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1178 | { |
1393 | { |
1179 | if (ev_is_active (w)) |
1394 | if (ev_is_active (w)) |
1180 | return; |
1395 | return; |
1181 | |
1396 | |
|
|
1397 | if (w->reschedule_cb) |
|
|
1398 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1399 | else if (w->interval) |
|
|
1400 | { |
1182 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1401 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1183 | |
|
|
1184 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1402 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1185 | if (w->interval) |
|
|
1186 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1403 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1404 | } |
1187 | |
1405 | |
1188 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1406 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1189 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1407 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1190 | periodics [periodiccnt - 1] = w; |
1408 | periodics [periodiccnt - 1] = w; |
1191 | upheap ((WT *)periodics, periodiccnt - 1); |
1409 | upheap ((WT *)periodics, periodiccnt - 1); |
1192 | |
1410 | |
1193 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1411 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1194 | } |
1412 | } |
… | |
… | |
1203 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1421 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1204 | |
1422 | |
1205 | if (((W)w)->active < periodiccnt--) |
1423 | if (((W)w)->active < periodiccnt--) |
1206 | { |
1424 | { |
1207 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1425 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1208 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1426 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1209 | } |
1427 | } |
1210 | |
1428 | |
1211 | ev_stop (EV_A_ (W)w); |
1429 | ev_stop (EV_A_ (W)w); |
1212 | } |
1430 | } |
1213 | |
1431 | |
1214 | void |
1432 | void |
|
|
1433 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1434 | { |
|
|
1435 | /* TODO: use adjustheap and recalculation */ |
|
|
1436 | ev_periodic_stop (EV_A_ w); |
|
|
1437 | ev_periodic_start (EV_A_ w); |
|
|
1438 | } |
|
|
1439 | #endif |
|
|
1440 | |
|
|
1441 | void |
1215 | ev_idle_start (EV_P_ struct ev_idle *w) |
1442 | ev_idle_start (EV_P_ struct ev_idle *w) |
1216 | { |
1443 | { |
1217 | if (ev_is_active (w)) |
1444 | if (ev_is_active (w)) |
1218 | return; |
1445 | return; |
1219 | |
1446 | |
1220 | ev_start (EV_A_ (W)w, ++idlecnt); |
1447 | ev_start (EV_A_ (W)w, ++idlecnt); |
1221 | array_needsize (idles, idlemax, idlecnt, ); |
1448 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1222 | idles [idlecnt - 1] = w; |
1449 | idles [idlecnt - 1] = w; |
1223 | } |
1450 | } |
1224 | |
1451 | |
1225 | void |
1452 | void |
1226 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1453 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1227 | { |
1454 | { |
1228 | ev_clear_pending (EV_A_ (W)w); |
1455 | ev_clear_pending (EV_A_ (W)w); |
1229 | if (ev_is_active (w)) |
1456 | if (!ev_is_active (w)) |
1230 | return; |
1457 | return; |
1231 | |
1458 | |
1232 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1459 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1233 | ev_stop (EV_A_ (W)w); |
1460 | ev_stop (EV_A_ (W)w); |
1234 | } |
1461 | } |
… | |
… | |
1238 | { |
1465 | { |
1239 | if (ev_is_active (w)) |
1466 | if (ev_is_active (w)) |
1240 | return; |
1467 | return; |
1241 | |
1468 | |
1242 | ev_start (EV_A_ (W)w, ++preparecnt); |
1469 | ev_start (EV_A_ (W)w, ++preparecnt); |
1243 | array_needsize (prepares, preparemax, preparecnt, ); |
1470 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1244 | prepares [preparecnt - 1] = w; |
1471 | prepares [preparecnt - 1] = w; |
1245 | } |
1472 | } |
1246 | |
1473 | |
1247 | void |
1474 | void |
1248 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1475 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1249 | { |
1476 | { |
1250 | ev_clear_pending (EV_A_ (W)w); |
1477 | ev_clear_pending (EV_A_ (W)w); |
1251 | if (ev_is_active (w)) |
1478 | if (!ev_is_active (w)) |
1252 | return; |
1479 | return; |
1253 | |
1480 | |
1254 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1481 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1255 | ev_stop (EV_A_ (W)w); |
1482 | ev_stop (EV_A_ (W)w); |
1256 | } |
1483 | } |
… | |
… | |
1260 | { |
1487 | { |
1261 | if (ev_is_active (w)) |
1488 | if (ev_is_active (w)) |
1262 | return; |
1489 | return; |
1263 | |
1490 | |
1264 | ev_start (EV_A_ (W)w, ++checkcnt); |
1491 | ev_start (EV_A_ (W)w, ++checkcnt); |
1265 | array_needsize (checks, checkmax, checkcnt, ); |
1492 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1266 | checks [checkcnt - 1] = w; |
1493 | checks [checkcnt - 1] = w; |
1267 | } |
1494 | } |
1268 | |
1495 | |
1269 | void |
1496 | void |
1270 | ev_check_stop (EV_P_ struct ev_check *w) |
1497 | ev_check_stop (EV_P_ struct ev_check *w) |
1271 | { |
1498 | { |
1272 | ev_clear_pending (EV_A_ (W)w); |
1499 | ev_clear_pending (EV_A_ (W)w); |
1273 | if (ev_is_active (w)) |
1500 | if (!ev_is_active (w)) |
1274 | return; |
1501 | return; |
1275 | |
1502 | |
1276 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1503 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1277 | ev_stop (EV_A_ (W)w); |
1504 | ev_stop (EV_A_ (W)w); |
1278 | } |
1505 | } |
… | |
… | |
1291 | return; |
1518 | return; |
1292 | |
1519 | |
1293 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1520 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1294 | |
1521 | |
1295 | ev_start (EV_A_ (W)w, 1); |
1522 | ev_start (EV_A_ (W)w, 1); |
1296 | array_needsize (signals, signalmax, w->signum, signals_init); |
1523 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1297 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1524 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1298 | |
1525 | |
1299 | if (!((WL)w)->next) |
1526 | if (!((WL)w)->next) |
1300 | { |
1527 | { |
|
|
1528 | #if _WIN32 |
|
|
1529 | signal (w->signum, sighandler); |
|
|
1530 | #else |
1301 | struct sigaction sa; |
1531 | struct sigaction sa; |
1302 | sa.sa_handler = sighandler; |
1532 | sa.sa_handler = sighandler; |
1303 | sigfillset (&sa.sa_mask); |
1533 | sigfillset (&sa.sa_mask); |
1304 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1534 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1305 | sigaction (w->signum, &sa, 0); |
1535 | sigaction (w->signum, &sa, 0); |
|
|
1536 | #endif |
1306 | } |
1537 | } |
1307 | } |
1538 | } |
1308 | |
1539 | |
1309 | void |
1540 | void |
1310 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1541 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1335 | |
1566 | |
1336 | void |
1567 | void |
1337 | ev_child_stop (EV_P_ struct ev_child *w) |
1568 | ev_child_stop (EV_P_ struct ev_child *w) |
1338 | { |
1569 | { |
1339 | ev_clear_pending (EV_A_ (W)w); |
1570 | ev_clear_pending (EV_A_ (W)w); |
1340 | if (ev_is_active (w)) |
1571 | if (!ev_is_active (w)) |
1341 | return; |
1572 | return; |
1342 | |
1573 | |
1343 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1574 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1344 | ev_stop (EV_A_ (W)w); |
1575 | ev_stop (EV_A_ (W)w); |
1345 | } |
1576 | } |
… | |
… | |
1360 | void (*cb)(int revents, void *arg) = once->cb; |
1591 | void (*cb)(int revents, void *arg) = once->cb; |
1361 | void *arg = once->arg; |
1592 | void *arg = once->arg; |
1362 | |
1593 | |
1363 | ev_io_stop (EV_A_ &once->io); |
1594 | ev_io_stop (EV_A_ &once->io); |
1364 | ev_timer_stop (EV_A_ &once->to); |
1595 | ev_timer_stop (EV_A_ &once->to); |
1365 | free (once); |
1596 | ev_free (once); |
1366 | |
1597 | |
1367 | cb (revents, arg); |
1598 | cb (revents, arg); |
1368 | } |
1599 | } |
1369 | |
1600 | |
1370 | static void |
1601 | static void |
… | |
… | |
1380 | } |
1611 | } |
1381 | |
1612 | |
1382 | void |
1613 | void |
1383 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1614 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1384 | { |
1615 | { |
1385 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1616 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1386 | |
1617 | |
1387 | if (!once) |
1618 | if (!once) |
1388 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1619 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1389 | else |
1620 | else |
1390 | { |
1621 | { |
1391 | once->cb = cb; |
1622 | once->cb = cb; |
1392 | once->arg = arg; |
1623 | once->arg = arg; |
1393 | |
1624 | |
1394 | ev_watcher_init (&once->io, once_cb_io); |
1625 | ev_init (&once->io, once_cb_io); |
1395 | if (fd >= 0) |
1626 | if (fd >= 0) |
1396 | { |
1627 | { |
1397 | ev_io_set (&once->io, fd, events); |
1628 | ev_io_set (&once->io, fd, events); |
1398 | ev_io_start (EV_A_ &once->io); |
1629 | ev_io_start (EV_A_ &once->io); |
1399 | } |
1630 | } |
1400 | |
1631 | |
1401 | ev_watcher_init (&once->to, once_cb_to); |
1632 | ev_init (&once->to, once_cb_to); |
1402 | if (timeout >= 0.) |
1633 | if (timeout >= 0.) |
1403 | { |
1634 | { |
1404 | ev_timer_set (&once->to, timeout, 0.); |
1635 | ev_timer_set (&once->to, timeout, 0.); |
1405 | ev_timer_start (EV_A_ &once->to); |
1636 | ev_timer_start (EV_A_ &once->to); |
1406 | } |
1637 | } |
1407 | } |
1638 | } |
1408 | } |
1639 | } |
1409 | |
1640 | |
|
|
1641 | #ifdef __cplusplus |
|
|
1642 | } |
|
|
1643 | #endif |
|
|
1644 | |