… | |
… | |
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 | |
|
|
64 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
|
|
65 | # define EV_USE_PORT 1 |
|
|
66 | # endif |
|
|
67 | |
55 | #endif |
68 | #endif |
56 | |
69 | |
57 | #include <math.h> |
70 | #include <math.h> |
58 | #include <stdlib.h> |
71 | #include <stdlib.h> |
59 | #include <unistd.h> |
|
|
60 | #include <fcntl.h> |
72 | #include <fcntl.h> |
61 | #include <signal.h> |
|
|
62 | #include <stddef.h> |
73 | #include <stddef.h> |
63 | |
74 | |
64 | #include <stdio.h> |
75 | #include <stdio.h> |
65 | |
76 | |
66 | #include <assert.h> |
77 | #include <assert.h> |
67 | #include <errno.h> |
78 | #include <errno.h> |
68 | #include <sys/types.h> |
79 | #include <sys/types.h> |
|
|
80 | #include <time.h> |
|
|
81 | |
|
|
82 | #include <signal.h> |
|
|
83 | |
69 | #ifndef WIN32 |
84 | #ifndef _WIN32 |
|
|
85 | # include <unistd.h> |
|
|
86 | # include <sys/time.h> |
70 | # include <sys/wait.h> |
87 | # include <sys/wait.h> |
|
|
88 | #else |
|
|
89 | # define WIN32_LEAN_AND_MEAN |
|
|
90 | # include <windows.h> |
|
|
91 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
92 | # define EV_SELECT_IS_WINSOCKET 1 |
71 | #endif |
93 | # endif |
72 | #include <sys/time.h> |
94 | #endif |
73 | #include <time.h> |
|
|
74 | |
95 | |
75 | /**/ |
96 | /**/ |
76 | |
97 | |
77 | #ifndef EV_USE_MONOTONIC |
98 | #ifndef EV_USE_MONOTONIC |
78 | # define EV_USE_MONOTONIC 1 |
99 | # define EV_USE_MONOTONIC 0 |
|
|
100 | #endif |
|
|
101 | |
|
|
102 | #ifndef EV_USE_REALTIME |
|
|
103 | # define EV_USE_REALTIME 0 |
79 | #endif |
104 | #endif |
80 | |
105 | |
81 | #ifndef EV_USE_SELECT |
106 | #ifndef EV_USE_SELECT |
82 | # define EV_USE_SELECT 1 |
107 | # define EV_USE_SELECT 1 |
83 | #endif |
108 | #endif |
84 | |
109 | |
85 | #ifndef EV_USE_POLL |
110 | #ifndef EV_USE_POLL |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
111 | # ifdef _WIN32 |
|
|
112 | # define EV_USE_POLL 0 |
|
|
113 | # else |
|
|
114 | # define EV_USE_POLL 1 |
|
|
115 | # endif |
87 | #endif |
116 | #endif |
88 | |
117 | |
89 | #ifndef EV_USE_EPOLL |
118 | #ifndef EV_USE_EPOLL |
90 | # define EV_USE_EPOLL 0 |
119 | # define EV_USE_EPOLL 0 |
91 | #endif |
120 | #endif |
92 | |
121 | |
93 | #ifndef EV_USE_KQUEUE |
122 | #ifndef EV_USE_KQUEUE |
94 | # define EV_USE_KQUEUE 0 |
123 | # define EV_USE_KQUEUE 0 |
95 | #endif |
124 | #endif |
96 | |
125 | |
97 | #ifndef EV_USE_REALTIME |
126 | #ifndef EV_USE_PORT |
98 | # define EV_USE_REALTIME 1 |
127 | # define EV_USE_PORT 0 |
99 | #endif |
128 | #endif |
100 | |
129 | |
101 | /**/ |
130 | /**/ |
|
|
131 | |
|
|
132 | /* darwin simply cannot be helped */ |
|
|
133 | #ifdef __APPLE__ |
|
|
134 | # undef EV_USE_POLL |
|
|
135 | # undef EV_USE_KQUEUE |
|
|
136 | #endif |
102 | |
137 | |
103 | #ifndef CLOCK_MONOTONIC |
138 | #ifndef CLOCK_MONOTONIC |
104 | # undef EV_USE_MONOTONIC |
139 | # undef EV_USE_MONOTONIC |
105 | # define EV_USE_MONOTONIC 0 |
140 | # define EV_USE_MONOTONIC 0 |
106 | #endif |
141 | #endif |
… | |
… | |
108 | #ifndef CLOCK_REALTIME |
143 | #ifndef CLOCK_REALTIME |
109 | # undef EV_USE_REALTIME |
144 | # undef EV_USE_REALTIME |
110 | # define EV_USE_REALTIME 0 |
145 | # define EV_USE_REALTIME 0 |
111 | #endif |
146 | #endif |
112 | |
147 | |
|
|
148 | #if EV_SELECT_IS_WINSOCKET |
|
|
149 | # include <winsock.h> |
|
|
150 | #endif |
|
|
151 | |
113 | /**/ |
152 | /**/ |
114 | |
153 | |
115 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
154 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
116 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
155 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
117 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
156 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
118 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
157 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
119 | |
158 | |
|
|
159 | #ifdef EV_H |
|
|
160 | # include EV_H |
|
|
161 | #else |
120 | #include "ev.h" |
162 | # include "ev.h" |
|
|
163 | #endif |
121 | |
164 | |
122 | #if __GNUC__ >= 3 |
165 | #if __GNUC__ >= 3 |
123 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
166 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
124 | # define inline inline |
167 | # define inline inline |
125 | #else |
168 | #else |
… | |
… | |
131 | #define expect_true(expr) expect ((expr) != 0, 1) |
174 | #define expect_true(expr) expect ((expr) != 0, 1) |
132 | |
175 | |
133 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
176 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
134 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
177 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
135 | |
178 | |
|
|
179 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
180 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
181 | |
136 | typedef struct ev_watcher *W; |
182 | typedef struct ev_watcher *W; |
137 | typedef struct ev_watcher_list *WL; |
183 | typedef struct ev_watcher_list *WL; |
138 | typedef struct ev_watcher_time *WT; |
184 | typedef struct ev_watcher_time *WT; |
139 | |
185 | |
140 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
186 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
141 | |
187 | |
|
|
188 | #ifdef _WIN32 |
|
|
189 | # include "ev_win32.c" |
|
|
190 | #endif |
|
|
191 | |
142 | /*****************************************************************************/ |
192 | /*****************************************************************************/ |
143 | |
193 | |
|
|
194 | static void (*syserr_cb)(const char *msg); |
|
|
195 | |
|
|
196 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
197 | { |
|
|
198 | syserr_cb = cb; |
|
|
199 | } |
|
|
200 | |
|
|
201 | static void |
|
|
202 | syserr (const char *msg) |
|
|
203 | { |
|
|
204 | if (!msg) |
|
|
205 | msg = "(libev) system error"; |
|
|
206 | |
|
|
207 | if (syserr_cb) |
|
|
208 | syserr_cb (msg); |
|
|
209 | else |
|
|
210 | { |
|
|
211 | perror (msg); |
|
|
212 | abort (); |
|
|
213 | } |
|
|
214 | } |
|
|
215 | |
|
|
216 | static void *(*alloc)(void *ptr, long size); |
|
|
217 | |
|
|
218 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
219 | { |
|
|
220 | alloc = cb; |
|
|
221 | } |
|
|
222 | |
|
|
223 | static void * |
|
|
224 | ev_realloc (void *ptr, long size) |
|
|
225 | { |
|
|
226 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
227 | |
|
|
228 | if (!ptr && size) |
|
|
229 | { |
|
|
230 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
231 | abort (); |
|
|
232 | } |
|
|
233 | |
|
|
234 | return ptr; |
|
|
235 | } |
|
|
236 | |
|
|
237 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
238 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
239 | |
|
|
240 | /*****************************************************************************/ |
|
|
241 | |
144 | typedef struct |
242 | typedef struct |
145 | { |
243 | { |
146 | struct ev_watcher_list *head; |
244 | WL head; |
147 | unsigned char events; |
245 | unsigned char events; |
148 | unsigned char reify; |
246 | unsigned char reify; |
|
|
247 | #if EV_SELECT_IS_WINSOCKET |
|
|
248 | SOCKET handle; |
|
|
249 | #endif |
149 | } ANFD; |
250 | } ANFD; |
150 | |
251 | |
151 | typedef struct |
252 | typedef struct |
152 | { |
253 | { |
153 | W w; |
254 | W w; |
154 | int events; |
255 | int events; |
155 | } ANPENDING; |
256 | } ANPENDING; |
156 | |
257 | |
157 | #if EV_MULTIPLICITY |
258 | #if EV_MULTIPLICITY |
158 | |
259 | |
159 | struct ev_loop |
260 | struct ev_loop |
160 | { |
261 | { |
|
|
262 | ev_tstamp ev_rt_now; |
|
|
263 | #define ev_rt_now ((loop)->ev_rt_now) |
161 | # define VAR(name,decl) decl; |
264 | #define VAR(name,decl) decl; |
162 | # include "ev_vars.h" |
265 | #include "ev_vars.h" |
163 | }; |
|
|
164 | # undef VAR |
266 | #undef VAR |
|
|
267 | }; |
165 | # include "ev_wrap.h" |
268 | #include "ev_wrap.h" |
|
|
269 | |
|
|
270 | static struct ev_loop default_loop_struct; |
|
|
271 | struct ev_loop *ev_default_loop_ptr; |
166 | |
272 | |
167 | #else |
273 | #else |
168 | |
274 | |
|
|
275 | ev_tstamp ev_rt_now; |
169 | # define VAR(name,decl) static decl; |
276 | #define VAR(name,decl) static decl; |
170 | # include "ev_vars.h" |
277 | #include "ev_vars.h" |
171 | # undef VAR |
278 | #undef VAR |
|
|
279 | |
|
|
280 | static int ev_default_loop_ptr; |
172 | |
281 | |
173 | #endif |
282 | #endif |
174 | |
283 | |
175 | /*****************************************************************************/ |
284 | /*****************************************************************************/ |
176 | |
285 | |
177 | inline ev_tstamp |
286 | ev_tstamp |
178 | ev_time (void) |
287 | ev_time (void) |
179 | { |
288 | { |
180 | #if EV_USE_REALTIME |
289 | #if EV_USE_REALTIME |
181 | struct timespec ts; |
290 | struct timespec ts; |
182 | clock_gettime (CLOCK_REALTIME, &ts); |
291 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
201 | #endif |
310 | #endif |
202 | |
311 | |
203 | return ev_time (); |
312 | return ev_time (); |
204 | } |
313 | } |
205 | |
314 | |
|
|
315 | #if EV_MULTIPLICITY |
206 | ev_tstamp |
316 | ev_tstamp |
207 | ev_now (EV_P) |
317 | ev_now (EV_P) |
208 | { |
318 | { |
209 | return rt_now; |
319 | return ev_rt_now; |
210 | } |
320 | } |
|
|
321 | #endif |
211 | |
322 | |
212 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
323 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
213 | |
324 | |
214 | #define array_needsize(base,cur,cnt,init) \ |
325 | #define array_needsize(type,base,cur,cnt,init) \ |
215 | if (expect_false ((cnt) > cur)) \ |
326 | if (expect_false ((cnt) > cur)) \ |
216 | { \ |
327 | { \ |
217 | int newcnt = cur; \ |
328 | int newcnt = cur; \ |
218 | do \ |
329 | do \ |
219 | { \ |
330 | { \ |
220 | newcnt = array_roundsize (base, newcnt << 1); \ |
331 | newcnt = array_roundsize (type, newcnt << 1); \ |
221 | } \ |
332 | } \ |
222 | while ((cnt) > newcnt); \ |
333 | while ((cnt) > newcnt); \ |
223 | \ |
334 | \ |
224 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
335 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
225 | init (base + cur, newcnt - cur); \ |
336 | init (base + cur, newcnt - cur); \ |
226 | cur = newcnt; \ |
337 | cur = newcnt; \ |
227 | } |
338 | } |
|
|
339 | |
|
|
340 | #define array_slim(type,stem) \ |
|
|
341 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
342 | { \ |
|
|
343 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
344 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
345 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
346 | } |
|
|
347 | |
|
|
348 | #define array_free(stem, idx) \ |
|
|
349 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
228 | |
350 | |
229 | /*****************************************************************************/ |
351 | /*****************************************************************************/ |
230 | |
352 | |
231 | static void |
353 | static void |
232 | anfds_init (ANFD *base, int count) |
354 | anfds_init (ANFD *base, int count) |
… | |
… | |
239 | |
361 | |
240 | ++base; |
362 | ++base; |
241 | } |
363 | } |
242 | } |
364 | } |
243 | |
365 | |
244 | static void |
366 | void |
245 | event (EV_P_ W w, int events) |
367 | ev_feed_event (EV_P_ void *w, int revents) |
246 | { |
368 | { |
|
|
369 | W w_ = (W)w; |
|
|
370 | |
247 | if (w->pending) |
371 | if (w_->pending) |
248 | { |
372 | { |
249 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
373 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
250 | return; |
374 | return; |
251 | } |
375 | } |
252 | |
376 | |
253 | w->pending = ++pendingcnt [ABSPRI (w)]; |
377 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
254 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
378 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
255 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
379 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
256 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
380 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
257 | } |
381 | } |
258 | |
382 | |
259 | static void |
383 | static void |
260 | queue_events (EV_P_ W *events, int eventcnt, int type) |
384 | queue_events (EV_P_ W *events, int eventcnt, int type) |
261 | { |
385 | { |
262 | int i; |
386 | int i; |
263 | |
387 | |
264 | for (i = 0; i < eventcnt; ++i) |
388 | for (i = 0; i < eventcnt; ++i) |
265 | event (EV_A_ events [i], type); |
389 | ev_feed_event (EV_A_ events [i], type); |
266 | } |
390 | } |
267 | |
391 | |
268 | static void |
392 | inline void |
269 | fd_event (EV_P_ int fd, int events) |
393 | fd_event (EV_P_ int fd, int revents) |
270 | { |
394 | { |
271 | ANFD *anfd = anfds + fd; |
395 | ANFD *anfd = anfds + fd; |
272 | struct ev_io *w; |
396 | struct ev_io *w; |
273 | |
397 | |
274 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
398 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
275 | { |
399 | { |
276 | int ev = w->events & events; |
400 | int ev = w->events & revents; |
277 | |
401 | |
278 | if (ev) |
402 | if (ev) |
279 | event (EV_A_ (W)w, ev); |
403 | ev_feed_event (EV_A_ (W)w, ev); |
280 | } |
404 | } |
|
|
405 | } |
|
|
406 | |
|
|
407 | void |
|
|
408 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
409 | { |
|
|
410 | fd_event (EV_A_ fd, revents); |
281 | } |
411 | } |
282 | |
412 | |
283 | /*****************************************************************************/ |
413 | /*****************************************************************************/ |
284 | |
414 | |
285 | static void |
415 | static void |
… | |
… | |
296 | int events = 0; |
426 | int events = 0; |
297 | |
427 | |
298 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
428 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
299 | events |= w->events; |
429 | events |= w->events; |
300 | |
430 | |
|
|
431 | #if EV_SELECT_IS_WINSOCKET |
|
|
432 | if (events) |
|
|
433 | { |
|
|
434 | unsigned long argp; |
|
|
435 | anfd->handle = _get_osfhandle (fd); |
|
|
436 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
437 | } |
|
|
438 | #endif |
|
|
439 | |
301 | anfd->reify = 0; |
440 | anfd->reify = 0; |
302 | |
441 | |
303 | if (anfd->events != events) |
|
|
304 | { |
|
|
305 | method_modify (EV_A_ fd, anfd->events, events); |
442 | method_modify (EV_A_ fd, anfd->events, events); |
306 | anfd->events = events; |
443 | anfd->events = events; |
307 | } |
|
|
308 | } |
444 | } |
309 | |
445 | |
310 | fdchangecnt = 0; |
446 | fdchangecnt = 0; |
311 | } |
447 | } |
312 | |
448 | |
313 | static void |
449 | static void |
314 | fd_change (EV_P_ int fd) |
450 | fd_change (EV_P_ int fd) |
315 | { |
451 | { |
316 | if (anfds [fd].reify || fdchangecnt < 0) |
452 | if (anfds [fd].reify) |
317 | return; |
453 | return; |
318 | |
454 | |
319 | anfds [fd].reify = 1; |
455 | anfds [fd].reify = 1; |
320 | |
456 | |
321 | ++fdchangecnt; |
457 | ++fdchangecnt; |
322 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
458 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
323 | fdchanges [fdchangecnt - 1] = fd; |
459 | fdchanges [fdchangecnt - 1] = fd; |
324 | } |
460 | } |
325 | |
461 | |
326 | static void |
462 | static void |
327 | fd_kill (EV_P_ int fd) |
463 | fd_kill (EV_P_ int fd) |
… | |
… | |
329 | struct ev_io *w; |
465 | struct ev_io *w; |
330 | |
466 | |
331 | while ((w = (struct ev_io *)anfds [fd].head)) |
467 | while ((w = (struct ev_io *)anfds [fd].head)) |
332 | { |
468 | { |
333 | ev_io_stop (EV_A_ w); |
469 | ev_io_stop (EV_A_ w); |
334 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
470 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
335 | } |
471 | } |
|
|
472 | } |
|
|
473 | |
|
|
474 | static int |
|
|
475 | fd_valid (int fd) |
|
|
476 | { |
|
|
477 | #ifdef _WIN32 |
|
|
478 | return _get_osfhandle (fd) != -1; |
|
|
479 | #else |
|
|
480 | return fcntl (fd, F_GETFD) != -1; |
|
|
481 | #endif |
336 | } |
482 | } |
337 | |
483 | |
338 | /* called on EBADF to verify fds */ |
484 | /* called on EBADF to verify fds */ |
339 | static void |
485 | static void |
340 | fd_ebadf (EV_P) |
486 | fd_ebadf (EV_P) |
341 | { |
487 | { |
342 | int fd; |
488 | int fd; |
343 | |
489 | |
344 | for (fd = 0; fd < anfdmax; ++fd) |
490 | for (fd = 0; fd < anfdmax; ++fd) |
345 | if (anfds [fd].events) |
491 | if (anfds [fd].events) |
346 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
492 | if (!fd_valid (fd) == -1 && errno == EBADF) |
347 | fd_kill (EV_A_ fd); |
493 | fd_kill (EV_A_ fd); |
348 | } |
494 | } |
349 | |
495 | |
350 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
496 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
351 | static void |
497 | static void |
352 | fd_enomem (EV_P) |
498 | fd_enomem (EV_P) |
353 | { |
499 | { |
354 | int fd = anfdmax; |
500 | int fd; |
355 | |
501 | |
356 | while (fd--) |
502 | for (fd = anfdmax; fd--; ) |
357 | if (anfds [fd].events) |
503 | if (anfds [fd].events) |
358 | { |
504 | { |
359 | close (fd); |
|
|
360 | fd_kill (EV_A_ fd); |
505 | fd_kill (EV_A_ fd); |
361 | return; |
506 | return; |
362 | } |
507 | } |
363 | } |
508 | } |
364 | |
509 | |
365 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
510 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
366 | static void |
511 | static void |
367 | fd_rearm_all (EV_P) |
512 | fd_rearm_all (EV_P) |
368 | { |
513 | { |
369 | int fd; |
514 | int fd; |
370 | |
515 | |
… | |
… | |
385 | WT w = heap [k]; |
530 | WT w = heap [k]; |
386 | |
531 | |
387 | while (k && heap [k >> 1]->at > w->at) |
532 | while (k && heap [k >> 1]->at > w->at) |
388 | { |
533 | { |
389 | heap [k] = heap [k >> 1]; |
534 | heap [k] = heap [k >> 1]; |
390 | heap [k]->active = k + 1; |
535 | ((W)heap [k])->active = k + 1; |
391 | k >>= 1; |
536 | k >>= 1; |
392 | } |
537 | } |
393 | |
538 | |
394 | heap [k] = w; |
539 | heap [k] = w; |
395 | heap [k]->active = k + 1; |
540 | ((W)heap [k])->active = k + 1; |
396 | |
541 | |
397 | } |
542 | } |
398 | |
543 | |
399 | static void |
544 | static void |
400 | downheap (WT *heap, int N, int k) |
545 | downheap (WT *heap, int N, int k) |
… | |
… | |
410 | |
555 | |
411 | if (w->at <= heap [j]->at) |
556 | if (w->at <= heap [j]->at) |
412 | break; |
557 | break; |
413 | |
558 | |
414 | heap [k] = heap [j]; |
559 | heap [k] = heap [j]; |
415 | heap [k]->active = k + 1; |
560 | ((W)heap [k])->active = k + 1; |
416 | k = j; |
561 | k = j; |
417 | } |
562 | } |
418 | |
563 | |
419 | heap [k] = w; |
564 | heap [k] = w; |
420 | heap [k]->active = k + 1; |
565 | ((W)heap [k])->active = k + 1; |
|
|
566 | } |
|
|
567 | |
|
|
568 | inline void |
|
|
569 | adjustheap (WT *heap, int N, int k) |
|
|
570 | { |
|
|
571 | upheap (heap, k); |
|
|
572 | downheap (heap, N, k); |
421 | } |
573 | } |
422 | |
574 | |
423 | /*****************************************************************************/ |
575 | /*****************************************************************************/ |
424 | |
576 | |
425 | typedef struct |
577 | typedef struct |
426 | { |
578 | { |
427 | struct ev_watcher_list *head; |
579 | WL head; |
428 | sig_atomic_t volatile gotsig; |
580 | sig_atomic_t volatile gotsig; |
429 | } ANSIG; |
581 | } ANSIG; |
430 | |
582 | |
431 | static ANSIG *signals; |
583 | static ANSIG *signals; |
432 | static int signalmax; |
584 | static int signalmax; |
… | |
… | |
448 | } |
600 | } |
449 | |
601 | |
450 | static void |
602 | static void |
451 | sighandler (int signum) |
603 | sighandler (int signum) |
452 | { |
604 | { |
|
|
605 | #if _WIN32 |
|
|
606 | signal (signum, sighandler); |
|
|
607 | #endif |
|
|
608 | |
453 | signals [signum - 1].gotsig = 1; |
609 | signals [signum - 1].gotsig = 1; |
454 | |
610 | |
455 | if (!gotsig) |
611 | if (!gotsig) |
456 | { |
612 | { |
457 | int old_errno = errno; |
613 | int old_errno = errno; |
… | |
… | |
459 | write (sigpipe [1], &signum, 1); |
615 | write (sigpipe [1], &signum, 1); |
460 | errno = old_errno; |
616 | errno = old_errno; |
461 | } |
617 | } |
462 | } |
618 | } |
463 | |
619 | |
|
|
620 | void |
|
|
621 | ev_feed_signal_event (EV_P_ int signum) |
|
|
622 | { |
|
|
623 | WL w; |
|
|
624 | |
|
|
625 | #if EV_MULTIPLICITY |
|
|
626 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
627 | #endif |
|
|
628 | |
|
|
629 | --signum; |
|
|
630 | |
|
|
631 | if (signum < 0 || signum >= signalmax) |
|
|
632 | return; |
|
|
633 | |
|
|
634 | signals [signum].gotsig = 0; |
|
|
635 | |
|
|
636 | for (w = signals [signum].head; w; w = w->next) |
|
|
637 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
638 | } |
|
|
639 | |
464 | static void |
640 | static void |
465 | sigcb (EV_P_ struct ev_io *iow, int revents) |
641 | sigcb (EV_P_ struct ev_io *iow, int revents) |
466 | { |
642 | { |
467 | struct ev_watcher_list *w; |
|
|
468 | int signum; |
643 | int signum; |
469 | |
644 | |
470 | read (sigpipe [0], &revents, 1); |
645 | read (sigpipe [0], &revents, 1); |
471 | gotsig = 0; |
646 | gotsig = 0; |
472 | |
647 | |
473 | for (signum = signalmax; signum--; ) |
648 | for (signum = signalmax; signum--; ) |
474 | if (signals [signum].gotsig) |
649 | if (signals [signum].gotsig) |
475 | { |
650 | ev_feed_signal_event (EV_A_ signum + 1); |
476 | signals [signum].gotsig = 0; |
651 | } |
477 | |
652 | |
478 | for (w = signals [signum].head; w; w = w->next) |
653 | inline void |
479 | event (EV_A_ (W)w, EV_SIGNAL); |
654 | fd_intern (int fd) |
480 | } |
655 | { |
|
|
656 | #ifdef _WIN32 |
|
|
657 | int arg = 1; |
|
|
658 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
659 | #else |
|
|
660 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
661 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
662 | #endif |
481 | } |
663 | } |
482 | |
664 | |
483 | static void |
665 | static void |
484 | siginit (EV_P) |
666 | siginit (EV_P) |
485 | { |
667 | { |
486 | #ifndef WIN32 |
668 | fd_intern (sigpipe [0]); |
487 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
669 | fd_intern (sigpipe [1]); |
488 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
489 | |
|
|
490 | /* rather than sort out wether we really need nb, set it */ |
|
|
491 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
492 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
493 | #endif |
|
|
494 | |
670 | |
495 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
671 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
496 | ev_io_start (EV_A_ &sigev); |
672 | ev_io_start (EV_A_ &sigev); |
497 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
673 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
498 | } |
674 | } |
499 | |
675 | |
500 | /*****************************************************************************/ |
676 | /*****************************************************************************/ |
501 | |
677 | |
502 | #ifndef WIN32 |
|
|
503 | |
|
|
504 | static struct ev_child *childs [PID_HASHSIZE]; |
678 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
679 | |
|
|
680 | #ifndef _WIN32 |
|
|
681 | |
505 | static struct ev_signal childev; |
682 | static struct ev_signal childev; |
506 | |
683 | |
507 | #ifndef WCONTINUED |
684 | #ifndef WCONTINUED |
508 | # define WCONTINUED 0 |
685 | # define WCONTINUED 0 |
509 | #endif |
686 | #endif |
… | |
… | |
514 | struct ev_child *w; |
691 | struct ev_child *w; |
515 | |
692 | |
516 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
693 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
517 | if (w->pid == pid || !w->pid) |
694 | if (w->pid == pid || !w->pid) |
518 | { |
695 | { |
519 | w->priority = sw->priority; /* need to do it *now* */ |
696 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
520 | w->rpid = pid; |
697 | w->rpid = pid; |
521 | w->rstatus = status; |
698 | w->rstatus = status; |
522 | event (EV_A_ (W)w, EV_CHILD); |
699 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
523 | } |
700 | } |
524 | } |
701 | } |
525 | |
702 | |
526 | static void |
703 | static void |
527 | childcb (EV_P_ struct ev_signal *sw, int revents) |
704 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
529 | int pid, status; |
706 | int pid, status; |
530 | |
707 | |
531 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
708 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
532 | { |
709 | { |
533 | /* make sure we are called again until all childs have been reaped */ |
710 | /* make sure we are called again until all childs have been reaped */ |
534 | event (EV_A_ (W)sw, EV_SIGNAL); |
711 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
535 | |
712 | |
536 | child_reap (EV_A_ sw, pid, pid, status); |
713 | child_reap (EV_A_ sw, pid, pid, status); |
537 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
714 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
538 | } |
715 | } |
539 | } |
716 | } |
540 | |
717 | |
541 | #endif |
718 | #endif |
542 | |
719 | |
543 | /*****************************************************************************/ |
720 | /*****************************************************************************/ |
544 | |
721 | |
|
|
722 | #if EV_USE_PORT |
|
|
723 | # include "ev_port.c" |
|
|
724 | #endif |
545 | #if EV_USE_KQUEUE |
725 | #if EV_USE_KQUEUE |
546 | # include "ev_kqueue.c" |
726 | # include "ev_kqueue.c" |
547 | #endif |
727 | #endif |
548 | #if EV_USE_EPOLL |
728 | #if EV_USE_EPOLL |
549 | # include "ev_epoll.c" |
729 | # include "ev_epoll.c" |
… | |
… | |
569 | |
749 | |
570 | /* return true if we are running with elevated privileges and should ignore env variables */ |
750 | /* return true if we are running with elevated privileges and should ignore env variables */ |
571 | static int |
751 | static int |
572 | enable_secure (void) |
752 | enable_secure (void) |
573 | { |
753 | { |
574 | #ifdef WIN32 |
754 | #ifdef _WIN32 |
575 | return 0; |
755 | return 0; |
576 | #else |
756 | #else |
577 | return getuid () != geteuid () |
757 | return getuid () != geteuid () |
578 | || getgid () != getegid (); |
758 | || getgid () != getegid (); |
579 | #endif |
759 | #endif |
580 | } |
760 | } |
581 | |
761 | |
582 | int |
762 | unsigned int |
583 | ev_method (EV_P) |
763 | ev_method (EV_P) |
584 | { |
764 | { |
585 | return method; |
765 | return method; |
586 | } |
766 | } |
587 | |
767 | |
588 | static void |
768 | static void |
589 | loop_init (EV_P_ int methods) |
769 | loop_init (EV_P_ unsigned int flags) |
590 | { |
770 | { |
591 | if (!method) |
771 | if (!method) |
592 | { |
772 | { |
593 | #if EV_USE_MONOTONIC |
773 | #if EV_USE_MONOTONIC |
594 | { |
774 | { |
… | |
… | |
596 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
776 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
597 | have_monotonic = 1; |
777 | have_monotonic = 1; |
598 | } |
778 | } |
599 | #endif |
779 | #endif |
600 | |
780 | |
601 | rt_now = ev_time (); |
781 | ev_rt_now = ev_time (); |
602 | mn_now = get_clock (); |
782 | mn_now = get_clock (); |
603 | now_floor = mn_now; |
783 | now_floor = mn_now; |
604 | rtmn_diff = rt_now - mn_now; |
784 | rtmn_diff = ev_rt_now - mn_now; |
605 | |
785 | |
606 | if (methods == EVMETHOD_AUTO) |
786 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
607 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
608 | methods = atoi (getenv ("LIBEV_METHODS")); |
787 | flags = atoi (getenv ("LIBEV_FLAGS")); |
609 | else |
788 | |
610 | methods = EVMETHOD_ANY; |
789 | if (!(flags & 0x0000ffff)) |
|
|
790 | flags |= 0x0000ffff; |
611 | |
791 | |
612 | method = 0; |
792 | method = 0; |
|
|
793 | #if EV_USE_PORT |
|
|
794 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
|
|
795 | #endif |
613 | #if EV_USE_KQUEUE |
796 | #if EV_USE_KQUEUE |
614 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
797 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
615 | #endif |
798 | #endif |
616 | #if EV_USE_EPOLL |
799 | #if EV_USE_EPOLL |
617 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
800 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
618 | #endif |
801 | #endif |
619 | #if EV_USE_POLL |
802 | #if EV_USE_POLL |
620 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
803 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
621 | #endif |
804 | #endif |
622 | #if EV_USE_SELECT |
805 | #if EV_USE_SELECT |
623 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
806 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
624 | #endif |
807 | #endif |
|
|
808 | |
|
|
809 | ev_init (&sigev, sigcb); |
|
|
810 | ev_set_priority (&sigev, EV_MAXPRI); |
625 | } |
811 | } |
626 | } |
812 | } |
627 | |
813 | |
628 | void |
814 | void |
629 | loop_destroy (EV_P) |
815 | loop_destroy (EV_P) |
630 | { |
816 | { |
|
|
817 | int i; |
|
|
818 | |
|
|
819 | #if EV_USE_PORT |
|
|
820 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
|
|
821 | #endif |
631 | #if EV_USE_KQUEUE |
822 | #if EV_USE_KQUEUE |
632 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
823 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
633 | #endif |
824 | #endif |
634 | #if EV_USE_EPOLL |
825 | #if EV_USE_EPOLL |
635 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
826 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
… | |
… | |
639 | #endif |
830 | #endif |
640 | #if EV_USE_SELECT |
831 | #if EV_USE_SELECT |
641 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
832 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
642 | #endif |
833 | #endif |
643 | |
834 | |
|
|
835 | for (i = NUMPRI; i--; ) |
|
|
836 | array_free (pending, [i]); |
|
|
837 | |
|
|
838 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
839 | array_free (fdchange, EMPTY0); |
|
|
840 | array_free (timer, EMPTY0); |
|
|
841 | #if EV_PERIODICS |
|
|
842 | array_free (periodic, EMPTY0); |
|
|
843 | #endif |
|
|
844 | array_free (idle, EMPTY0); |
|
|
845 | array_free (prepare, EMPTY0); |
|
|
846 | array_free (check, EMPTY0); |
|
|
847 | |
644 | method = 0; |
848 | method = 0; |
645 | /*TODO*/ |
|
|
646 | } |
849 | } |
647 | |
850 | |
648 | void |
851 | static void |
649 | loop_fork (EV_P) |
852 | loop_fork (EV_P) |
650 | { |
853 | { |
651 | /*TODO*/ |
854 | #if EV_USE_PORT |
|
|
855 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
|
|
856 | #endif |
|
|
857 | #if EV_USE_KQUEUE |
|
|
858 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
859 | #endif |
652 | #if EV_USE_EPOLL |
860 | #if EV_USE_EPOLL |
653 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
861 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
654 | #endif |
862 | #endif |
655 | #if EV_USE_KQUEUE |
863 | |
656 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
864 | if (ev_is_active (&sigev)) |
657 | #endif |
865 | { |
|
|
866 | /* default loop */ |
|
|
867 | |
|
|
868 | ev_ref (EV_A); |
|
|
869 | ev_io_stop (EV_A_ &sigev); |
|
|
870 | close (sigpipe [0]); |
|
|
871 | close (sigpipe [1]); |
|
|
872 | |
|
|
873 | while (pipe (sigpipe)) |
|
|
874 | syserr ("(libev) error creating pipe"); |
|
|
875 | |
|
|
876 | siginit (EV_A); |
|
|
877 | } |
|
|
878 | |
|
|
879 | postfork = 0; |
658 | } |
880 | } |
659 | |
881 | |
660 | #if EV_MULTIPLICITY |
882 | #if EV_MULTIPLICITY |
661 | struct ev_loop * |
883 | struct ev_loop * |
662 | ev_loop_new (int methods) |
884 | ev_loop_new (unsigned int flags) |
663 | { |
885 | { |
664 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
886 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
665 | |
887 | |
|
|
888 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
889 | |
666 | loop_init (EV_A_ methods); |
890 | loop_init (EV_A_ flags); |
667 | |
891 | |
668 | if (ev_method (EV_A)) |
892 | if (ev_method (EV_A)) |
669 | return loop; |
893 | return loop; |
670 | |
894 | |
671 | return 0; |
895 | return 0; |
… | |
… | |
673 | |
897 | |
674 | void |
898 | void |
675 | ev_loop_destroy (EV_P) |
899 | ev_loop_destroy (EV_P) |
676 | { |
900 | { |
677 | loop_destroy (EV_A); |
901 | loop_destroy (EV_A); |
678 | free (loop); |
902 | ev_free (loop); |
679 | } |
903 | } |
680 | |
904 | |
681 | void |
905 | void |
682 | ev_loop_fork (EV_P) |
906 | ev_loop_fork (EV_P) |
683 | { |
907 | { |
684 | loop_fork (EV_A); |
908 | postfork = 1; |
685 | } |
909 | } |
686 | |
910 | |
687 | #endif |
911 | #endif |
688 | |
912 | |
689 | #if EV_MULTIPLICITY |
913 | #if EV_MULTIPLICITY |
690 | struct ev_loop default_loop_struct; |
|
|
691 | static struct ev_loop *default_loop; |
|
|
692 | |
|
|
693 | struct ev_loop * |
914 | struct ev_loop * |
|
|
915 | ev_default_loop_ (unsigned int flags) |
694 | #else |
916 | #else |
695 | static int default_loop; |
|
|
696 | |
|
|
697 | int |
917 | int |
|
|
918 | ev_default_loop (unsigned int flags) |
698 | #endif |
919 | #endif |
699 | ev_default_loop (int methods) |
|
|
700 | { |
920 | { |
701 | if (sigpipe [0] == sigpipe [1]) |
921 | if (sigpipe [0] == sigpipe [1]) |
702 | if (pipe (sigpipe)) |
922 | if (pipe (sigpipe)) |
703 | return 0; |
923 | return 0; |
704 | |
924 | |
705 | if (!default_loop) |
925 | if (!ev_default_loop_ptr) |
706 | { |
926 | { |
707 | #if EV_MULTIPLICITY |
927 | #if EV_MULTIPLICITY |
708 | struct ev_loop *loop = default_loop = &default_loop_struct; |
928 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
709 | #else |
929 | #else |
710 | default_loop = 1; |
930 | ev_default_loop_ptr = 1; |
711 | #endif |
931 | #endif |
712 | |
932 | |
713 | loop_init (EV_A_ methods); |
933 | loop_init (EV_A_ flags); |
714 | |
934 | |
715 | if (ev_method (EV_A)) |
935 | if (ev_method (EV_A)) |
716 | { |
936 | { |
717 | ev_watcher_init (&sigev, sigcb); |
|
|
718 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
719 | siginit (EV_A); |
937 | siginit (EV_A); |
720 | |
938 | |
721 | #ifndef WIN32 |
939 | #ifndef _WIN32 |
722 | ev_signal_init (&childev, childcb, SIGCHLD); |
940 | ev_signal_init (&childev, childcb, SIGCHLD); |
723 | ev_set_priority (&childev, EV_MAXPRI); |
941 | ev_set_priority (&childev, EV_MAXPRI); |
724 | ev_signal_start (EV_A_ &childev); |
942 | ev_signal_start (EV_A_ &childev); |
725 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
943 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
726 | #endif |
944 | #endif |
727 | } |
945 | } |
728 | else |
946 | else |
729 | default_loop = 0; |
947 | ev_default_loop_ptr = 0; |
730 | } |
948 | } |
731 | |
949 | |
732 | return default_loop; |
950 | return ev_default_loop_ptr; |
733 | } |
951 | } |
734 | |
952 | |
735 | void |
953 | void |
736 | ev_default_destroy (void) |
954 | ev_default_destroy (void) |
737 | { |
955 | { |
738 | #if EV_MULTIPLICITY |
956 | #if EV_MULTIPLICITY |
739 | struct ev_loop *loop = default_loop; |
957 | struct ev_loop *loop = ev_default_loop_ptr; |
740 | #endif |
958 | #endif |
741 | |
959 | |
|
|
960 | #ifndef _WIN32 |
742 | ev_ref (EV_A); /* child watcher */ |
961 | ev_ref (EV_A); /* child watcher */ |
743 | ev_signal_stop (EV_A_ &childev); |
962 | ev_signal_stop (EV_A_ &childev); |
|
|
963 | #endif |
744 | |
964 | |
745 | ev_ref (EV_A); /* signal watcher */ |
965 | ev_ref (EV_A); /* signal watcher */ |
746 | ev_io_stop (EV_A_ &sigev); |
966 | ev_io_stop (EV_A_ &sigev); |
747 | |
967 | |
748 | close (sigpipe [0]); sigpipe [0] = 0; |
968 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
753 | |
973 | |
754 | void |
974 | void |
755 | ev_default_fork (void) |
975 | ev_default_fork (void) |
756 | { |
976 | { |
757 | #if EV_MULTIPLICITY |
977 | #if EV_MULTIPLICITY |
758 | struct ev_loop *loop = default_loop; |
978 | struct ev_loop *loop = ev_default_loop_ptr; |
759 | #endif |
979 | #endif |
760 | |
980 | |
761 | loop_fork (EV_A); |
981 | if (method) |
762 | |
982 | postfork = 1; |
763 | ev_io_stop (EV_A_ &sigev); |
|
|
764 | close (sigpipe [0]); |
|
|
765 | close (sigpipe [1]); |
|
|
766 | pipe (sigpipe); |
|
|
767 | |
|
|
768 | ev_ref (EV_A); /* signal watcher */ |
|
|
769 | siginit (EV_A); |
|
|
770 | } |
983 | } |
771 | |
984 | |
772 | /*****************************************************************************/ |
985 | /*****************************************************************************/ |
773 | |
986 | |
774 | static void |
987 | static int |
|
|
988 | any_pending (EV_P) |
|
|
989 | { |
|
|
990 | int pri; |
|
|
991 | |
|
|
992 | for (pri = NUMPRI; pri--; ) |
|
|
993 | if (pendingcnt [pri]) |
|
|
994 | return 1; |
|
|
995 | |
|
|
996 | return 0; |
|
|
997 | } |
|
|
998 | |
|
|
999 | inline void |
775 | call_pending (EV_P) |
1000 | call_pending (EV_P) |
776 | { |
1001 | { |
777 | int pri; |
1002 | int pri; |
778 | |
1003 | |
779 | for (pri = NUMPRI; pri--; ) |
1004 | for (pri = NUMPRI; pri--; ) |
780 | while (pendingcnt [pri]) |
1005 | while (pendingcnt [pri]) |
781 | { |
1006 | { |
782 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1007 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
783 | |
1008 | |
784 | if (p->w) |
1009 | if (expect_true (p->w)) |
785 | { |
1010 | { |
786 | p->w->pending = 0; |
1011 | p->w->pending = 0; |
787 | p->w->cb (EV_A_ p->w, p->events); |
1012 | EV_CB_INVOKE (p->w, p->events); |
788 | } |
1013 | } |
789 | } |
1014 | } |
790 | } |
1015 | } |
791 | |
1016 | |
792 | static void |
1017 | static void |
793 | timers_reify (EV_P) |
1018 | timers_reify (EV_P) |
794 | { |
1019 | { |
795 | while (timercnt && timers [0]->at <= mn_now) |
1020 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
796 | { |
1021 | { |
797 | struct ev_timer *w = timers [0]; |
1022 | struct ev_timer *w = timers [0]; |
|
|
1023 | |
|
|
1024 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
798 | |
1025 | |
799 | /* first reschedule or stop timer */ |
1026 | /* first reschedule or stop timer */ |
800 | if (w->repeat) |
1027 | if (w->repeat) |
801 | { |
1028 | { |
802 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1029 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1030 | |
803 | w->at = mn_now + w->repeat; |
1031 | ((WT)w)->at += w->repeat; |
|
|
1032 | if (((WT)w)->at < mn_now) |
|
|
1033 | ((WT)w)->at = mn_now; |
|
|
1034 | |
804 | downheap ((WT *)timers, timercnt, 0); |
1035 | downheap ((WT *)timers, timercnt, 0); |
805 | } |
1036 | } |
806 | else |
1037 | else |
807 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1038 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
808 | |
1039 | |
809 | event (EV_A_ (W)w, EV_TIMEOUT); |
1040 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
810 | } |
1041 | } |
811 | } |
1042 | } |
812 | |
1043 | |
|
|
1044 | #if EV_PERIODICS |
813 | static void |
1045 | static void |
814 | periodics_reify (EV_P) |
1046 | periodics_reify (EV_P) |
815 | { |
1047 | { |
816 | while (periodiccnt && periodics [0]->at <= rt_now) |
1048 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
817 | { |
1049 | { |
818 | struct ev_periodic *w = periodics [0]; |
1050 | struct ev_periodic *w = periodics [0]; |
819 | |
1051 | |
|
|
1052 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
|
|
1053 | |
820 | /* first reschedule or stop timer */ |
1054 | /* first reschedule or stop timer */ |
821 | if (w->interval) |
1055 | if (w->reschedule_cb) |
822 | { |
1056 | { |
|
|
1057 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1058 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1059 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1060 | } |
|
|
1061 | else if (w->interval) |
|
|
1062 | { |
823 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
1063 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
824 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
1064 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
825 | downheap ((WT *)periodics, periodiccnt, 0); |
1065 | downheap ((WT *)periodics, periodiccnt, 0); |
826 | } |
1066 | } |
827 | else |
1067 | else |
828 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1068 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
829 | |
1069 | |
830 | event (EV_A_ (W)w, EV_PERIODIC); |
1070 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
831 | } |
1071 | } |
832 | } |
1072 | } |
833 | |
1073 | |
834 | static void |
1074 | static void |
835 | periodics_reschedule (EV_P) |
1075 | periodics_reschedule (EV_P) |
… | |
… | |
839 | /* adjust periodics after time jump */ |
1079 | /* adjust periodics after time jump */ |
840 | for (i = 0; i < periodiccnt; ++i) |
1080 | for (i = 0; i < periodiccnt; ++i) |
841 | { |
1081 | { |
842 | struct ev_periodic *w = periodics [i]; |
1082 | struct ev_periodic *w = periodics [i]; |
843 | |
1083 | |
|
|
1084 | if (w->reschedule_cb) |
|
|
1085 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
844 | if (w->interval) |
1086 | else if (w->interval) |
845 | { |
|
|
846 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
1087 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
847 | |
|
|
848 | if (fabs (diff) >= 1e-4) |
|
|
849 | { |
|
|
850 | ev_periodic_stop (EV_A_ w); |
|
|
851 | ev_periodic_start (EV_A_ w); |
|
|
852 | |
|
|
853 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
854 | } |
|
|
855 | } |
|
|
856 | } |
1088 | } |
|
|
1089 | |
|
|
1090 | /* now rebuild the heap */ |
|
|
1091 | for (i = periodiccnt >> 1; i--; ) |
|
|
1092 | downheap ((WT *)periodics, periodiccnt, i); |
857 | } |
1093 | } |
|
|
1094 | #endif |
858 | |
1095 | |
859 | inline int |
1096 | inline int |
860 | time_update_monotonic (EV_P) |
1097 | time_update_monotonic (EV_P) |
861 | { |
1098 | { |
862 | mn_now = get_clock (); |
1099 | mn_now = get_clock (); |
863 | |
1100 | |
864 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1101 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
865 | { |
1102 | { |
866 | rt_now = rtmn_diff + mn_now; |
1103 | ev_rt_now = rtmn_diff + mn_now; |
867 | return 0; |
1104 | return 0; |
868 | } |
1105 | } |
869 | else |
1106 | else |
870 | { |
1107 | { |
871 | now_floor = mn_now; |
1108 | now_floor = mn_now; |
872 | rt_now = ev_time (); |
1109 | ev_rt_now = ev_time (); |
873 | return 1; |
1110 | return 1; |
874 | } |
1111 | } |
875 | } |
1112 | } |
876 | |
1113 | |
877 | static void |
1114 | static void |
… | |
… | |
886 | { |
1123 | { |
887 | ev_tstamp odiff = rtmn_diff; |
1124 | ev_tstamp odiff = rtmn_diff; |
888 | |
1125 | |
889 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1126 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
890 | { |
1127 | { |
891 | rtmn_diff = rt_now - mn_now; |
1128 | rtmn_diff = ev_rt_now - mn_now; |
892 | |
1129 | |
893 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1130 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
894 | return; /* all is well */ |
1131 | return; /* all is well */ |
895 | |
1132 | |
896 | rt_now = ev_time (); |
1133 | ev_rt_now = ev_time (); |
897 | mn_now = get_clock (); |
1134 | mn_now = get_clock (); |
898 | now_floor = mn_now; |
1135 | now_floor = mn_now; |
899 | } |
1136 | } |
900 | |
1137 | |
|
|
1138 | # if EV_PERIODICS |
901 | periodics_reschedule (EV_A); |
1139 | periodics_reschedule (EV_A); |
|
|
1140 | # endif |
902 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1141 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
903 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1142 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
904 | } |
1143 | } |
905 | } |
1144 | } |
906 | else |
1145 | else |
907 | #endif |
1146 | #endif |
908 | { |
1147 | { |
909 | rt_now = ev_time (); |
1148 | ev_rt_now = ev_time (); |
910 | |
1149 | |
911 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1150 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
912 | { |
1151 | { |
|
|
1152 | #if EV_PERIODICS |
913 | periodics_reschedule (EV_A); |
1153 | periodics_reschedule (EV_A); |
|
|
1154 | #endif |
914 | |
1155 | |
915 | /* adjust timers. this is easy, as the offset is the same for all */ |
1156 | /* adjust timers. this is easy, as the offset is the same for all */ |
916 | for (i = 0; i < timercnt; ++i) |
1157 | for (i = 0; i < timercnt; ++i) |
917 | timers [i]->at += rt_now - mn_now; |
1158 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
918 | } |
1159 | } |
919 | |
1160 | |
920 | mn_now = rt_now; |
1161 | mn_now = ev_rt_now; |
921 | } |
1162 | } |
922 | } |
1163 | } |
923 | |
1164 | |
924 | void |
1165 | void |
925 | ev_ref (EV_P) |
1166 | ev_ref (EV_P) |
… | |
… | |
939 | ev_loop (EV_P_ int flags) |
1180 | ev_loop (EV_P_ int flags) |
940 | { |
1181 | { |
941 | double block; |
1182 | double block; |
942 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1183 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
943 | |
1184 | |
944 | do |
1185 | while (activecnt) |
945 | { |
1186 | { |
946 | /* queue check watchers (and execute them) */ |
1187 | /* queue check watchers (and execute them) */ |
947 | if (expect_false (preparecnt)) |
1188 | if (expect_false (preparecnt)) |
948 | { |
1189 | { |
949 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1190 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
950 | call_pending (EV_A); |
1191 | call_pending (EV_A); |
951 | } |
1192 | } |
952 | |
1193 | |
|
|
1194 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1195 | if (expect_false (postfork)) |
|
|
1196 | loop_fork (EV_A); |
|
|
1197 | |
953 | /* update fd-related kernel structures */ |
1198 | /* update fd-related kernel structures */ |
954 | fd_reify (EV_A); |
1199 | fd_reify (EV_A); |
955 | |
1200 | |
956 | /* calculate blocking time */ |
1201 | /* calculate blocking time */ |
957 | |
1202 | |
958 | /* we only need this for !monotonic clockor timers, but as we basically |
1203 | /* we only need this for !monotonic clock or timers, but as we basically |
959 | always have timers, we just calculate it always */ |
1204 | always have timers, we just calculate it always */ |
960 | #if EV_USE_MONOTONIC |
1205 | #if EV_USE_MONOTONIC |
961 | if (expect_true (have_monotonic)) |
1206 | if (expect_true (have_monotonic)) |
962 | time_update_monotonic (EV_A); |
1207 | time_update_monotonic (EV_A); |
963 | else |
1208 | else |
964 | #endif |
1209 | #endif |
965 | { |
1210 | { |
966 | rt_now = ev_time (); |
1211 | ev_rt_now = ev_time (); |
967 | mn_now = rt_now; |
1212 | mn_now = ev_rt_now; |
968 | } |
1213 | } |
969 | |
1214 | |
970 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1215 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
971 | block = 0.; |
1216 | block = 0.; |
972 | else |
1217 | else |
973 | { |
1218 | { |
974 | block = MAX_BLOCKTIME; |
1219 | block = MAX_BLOCKTIME; |
975 | |
1220 | |
976 | if (timercnt) |
1221 | if (timercnt) |
977 | { |
1222 | { |
978 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
1223 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
979 | if (block > to) block = to; |
1224 | if (block > to) block = to; |
980 | } |
1225 | } |
981 | |
1226 | |
|
|
1227 | #if EV_PERIODICS |
982 | if (periodiccnt) |
1228 | if (periodiccnt) |
983 | { |
1229 | { |
984 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
1230 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
985 | if (block > to) block = to; |
1231 | if (block > to) block = to; |
986 | } |
1232 | } |
|
|
1233 | #endif |
987 | |
1234 | |
988 | if (block < 0.) block = 0.; |
1235 | if (block < 0.) block = 0.; |
989 | } |
1236 | } |
990 | |
1237 | |
991 | method_poll (EV_A_ block); |
1238 | method_poll (EV_A_ block); |
992 | |
1239 | |
993 | /* update rt_now, do magic */ |
1240 | /* update ev_rt_now, do magic */ |
994 | time_update (EV_A); |
1241 | time_update (EV_A); |
995 | |
1242 | |
996 | /* queue pending timers and reschedule them */ |
1243 | /* queue pending timers and reschedule them */ |
997 | timers_reify (EV_A); /* relative timers called last */ |
1244 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1245 | #if EV_PERIODICS |
998 | periodics_reify (EV_A); /* absolute timers called first */ |
1246 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1247 | #endif |
999 | |
1248 | |
1000 | /* queue idle watchers unless io or timers are pending */ |
1249 | /* queue idle watchers unless io or timers are pending */ |
1001 | if (!pendingcnt) |
1250 | if (idlecnt && !any_pending (EV_A)) |
1002 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1251 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1003 | |
1252 | |
1004 | /* queue check watchers, to be executed first */ |
1253 | /* queue check watchers, to be executed first */ |
1005 | if (checkcnt) |
1254 | if (checkcnt) |
1006 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1255 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1007 | |
1256 | |
1008 | call_pending (EV_A); |
1257 | call_pending (EV_A); |
|
|
1258 | |
|
|
1259 | if (loop_done) |
|
|
1260 | break; |
1009 | } |
1261 | } |
1010 | while (activecnt && !loop_done); |
|
|
1011 | |
1262 | |
1012 | if (loop_done != 2) |
1263 | if (loop_done != 2) |
1013 | loop_done = 0; |
1264 | loop_done = 0; |
1014 | } |
1265 | } |
1015 | |
1266 | |
… | |
… | |
1081 | return; |
1332 | return; |
1082 | |
1333 | |
1083 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1334 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1084 | |
1335 | |
1085 | ev_start (EV_A_ (W)w, 1); |
1336 | ev_start (EV_A_ (W)w, 1); |
1086 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1337 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1087 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1338 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1088 | |
1339 | |
1089 | fd_change (EV_A_ fd); |
1340 | fd_change (EV_A_ fd); |
1090 | } |
1341 | } |
1091 | |
1342 | |
… | |
… | |
1094 | { |
1345 | { |
1095 | ev_clear_pending (EV_A_ (W)w); |
1346 | ev_clear_pending (EV_A_ (W)w); |
1096 | if (!ev_is_active (w)) |
1347 | if (!ev_is_active (w)) |
1097 | return; |
1348 | return; |
1098 | |
1349 | |
|
|
1350 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1351 | |
1099 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1352 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1100 | ev_stop (EV_A_ (W)w); |
1353 | ev_stop (EV_A_ (W)w); |
1101 | |
1354 | |
1102 | fd_change (EV_A_ w->fd); |
1355 | fd_change (EV_A_ w->fd); |
1103 | } |
1356 | } |
… | |
… | |
1106 | ev_timer_start (EV_P_ struct ev_timer *w) |
1359 | ev_timer_start (EV_P_ struct ev_timer *w) |
1107 | { |
1360 | { |
1108 | if (ev_is_active (w)) |
1361 | if (ev_is_active (w)) |
1109 | return; |
1362 | return; |
1110 | |
1363 | |
1111 | w->at += mn_now; |
1364 | ((WT)w)->at += mn_now; |
1112 | |
1365 | |
1113 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1366 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1114 | |
1367 | |
1115 | ev_start (EV_A_ (W)w, ++timercnt); |
1368 | ev_start (EV_A_ (W)w, ++timercnt); |
1116 | array_needsize (timers, timermax, timercnt, ); |
1369 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1117 | timers [timercnt - 1] = w; |
1370 | timers [timercnt - 1] = w; |
1118 | upheap ((WT *)timers, timercnt - 1); |
1371 | upheap ((WT *)timers, timercnt - 1); |
|
|
1372 | |
|
|
1373 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1119 | } |
1374 | } |
1120 | |
1375 | |
1121 | void |
1376 | void |
1122 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1377 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1123 | { |
1378 | { |
1124 | ev_clear_pending (EV_A_ (W)w); |
1379 | ev_clear_pending (EV_A_ (W)w); |
1125 | if (!ev_is_active (w)) |
1380 | if (!ev_is_active (w)) |
1126 | return; |
1381 | return; |
1127 | |
1382 | |
|
|
1383 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1384 | |
1128 | if (w->active < timercnt--) |
1385 | if (((W)w)->active < timercnt--) |
1129 | { |
1386 | { |
1130 | timers [w->active - 1] = timers [timercnt]; |
1387 | timers [((W)w)->active - 1] = timers [timercnt]; |
1131 | downheap ((WT *)timers, timercnt, w->active - 1); |
1388 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1132 | } |
1389 | } |
1133 | |
1390 | |
1134 | w->at = w->repeat; |
1391 | ((WT)w)->at -= mn_now; |
1135 | |
1392 | |
1136 | ev_stop (EV_A_ (W)w); |
1393 | ev_stop (EV_A_ (W)w); |
1137 | } |
1394 | } |
1138 | |
1395 | |
1139 | void |
1396 | void |
… | |
… | |
1141 | { |
1398 | { |
1142 | if (ev_is_active (w)) |
1399 | if (ev_is_active (w)) |
1143 | { |
1400 | { |
1144 | if (w->repeat) |
1401 | if (w->repeat) |
1145 | { |
1402 | { |
1146 | w->at = mn_now + w->repeat; |
1403 | ((WT)w)->at = mn_now + w->repeat; |
1147 | downheap ((WT *)timers, timercnt, w->active - 1); |
1404 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1148 | } |
1405 | } |
1149 | else |
1406 | else |
1150 | ev_timer_stop (EV_A_ w); |
1407 | ev_timer_stop (EV_A_ w); |
1151 | } |
1408 | } |
1152 | else if (w->repeat) |
1409 | else if (w->repeat) |
|
|
1410 | { |
|
|
1411 | w->at = w->repeat; |
1153 | ev_timer_start (EV_A_ w); |
1412 | ev_timer_start (EV_A_ w); |
|
|
1413 | } |
1154 | } |
1414 | } |
1155 | |
1415 | |
|
|
1416 | #if EV_PERIODICS |
1156 | void |
1417 | void |
1157 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1418 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1158 | { |
1419 | { |
1159 | if (ev_is_active (w)) |
1420 | if (ev_is_active (w)) |
1160 | return; |
1421 | return; |
1161 | |
1422 | |
|
|
1423 | if (w->reschedule_cb) |
|
|
1424 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1425 | else if (w->interval) |
|
|
1426 | { |
1162 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1427 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1163 | |
|
|
1164 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1428 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1165 | if (w->interval) |
|
|
1166 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1429 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1430 | } |
1167 | |
1431 | |
1168 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1432 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1169 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1433 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1170 | periodics [periodiccnt - 1] = w; |
1434 | periodics [periodiccnt - 1] = w; |
1171 | upheap ((WT *)periodics, periodiccnt - 1); |
1435 | upheap ((WT *)periodics, periodiccnt - 1); |
|
|
1436 | |
|
|
1437 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1172 | } |
1438 | } |
1173 | |
1439 | |
1174 | void |
1440 | void |
1175 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1441 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1176 | { |
1442 | { |
1177 | ev_clear_pending (EV_A_ (W)w); |
1443 | ev_clear_pending (EV_A_ (W)w); |
1178 | if (!ev_is_active (w)) |
1444 | if (!ev_is_active (w)) |
1179 | return; |
1445 | return; |
1180 | |
1446 | |
|
|
1447 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1448 | |
1181 | if (w->active < periodiccnt--) |
1449 | if (((W)w)->active < periodiccnt--) |
1182 | { |
1450 | { |
1183 | periodics [w->active - 1] = periodics [periodiccnt]; |
1451 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1184 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1452 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1185 | } |
1453 | } |
1186 | |
1454 | |
1187 | ev_stop (EV_A_ (W)w); |
1455 | ev_stop (EV_A_ (W)w); |
1188 | } |
1456 | } |
1189 | |
1457 | |
1190 | void |
1458 | void |
|
|
1459 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1460 | { |
|
|
1461 | /* TODO: use adjustheap and recalculation */ |
|
|
1462 | ev_periodic_stop (EV_A_ w); |
|
|
1463 | ev_periodic_start (EV_A_ w); |
|
|
1464 | } |
|
|
1465 | #endif |
|
|
1466 | |
|
|
1467 | void |
1191 | ev_idle_start (EV_P_ struct ev_idle *w) |
1468 | ev_idle_start (EV_P_ struct ev_idle *w) |
1192 | { |
1469 | { |
1193 | if (ev_is_active (w)) |
1470 | if (ev_is_active (w)) |
1194 | return; |
1471 | return; |
1195 | |
1472 | |
1196 | ev_start (EV_A_ (W)w, ++idlecnt); |
1473 | ev_start (EV_A_ (W)w, ++idlecnt); |
1197 | array_needsize (idles, idlemax, idlecnt, ); |
1474 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1198 | idles [idlecnt - 1] = w; |
1475 | idles [idlecnt - 1] = w; |
1199 | } |
1476 | } |
1200 | |
1477 | |
1201 | void |
1478 | void |
1202 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1479 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1203 | { |
1480 | { |
1204 | ev_clear_pending (EV_A_ (W)w); |
1481 | ev_clear_pending (EV_A_ (W)w); |
|
|
1482 | if (!ev_is_active (w)) |
|
|
1483 | return; |
|
|
1484 | |
|
|
1485 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1486 | ev_stop (EV_A_ (W)w); |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | void |
|
|
1490 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1491 | { |
1205 | if (ev_is_active (w)) |
1492 | if (ev_is_active (w)) |
1206 | return; |
1493 | return; |
1207 | |
1494 | |
1208 | idles [w->active - 1] = idles [--idlecnt]; |
1495 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1496 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1497 | prepares [preparecnt - 1] = w; |
|
|
1498 | } |
|
|
1499 | |
|
|
1500 | void |
|
|
1501 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1502 | { |
|
|
1503 | ev_clear_pending (EV_A_ (W)w); |
|
|
1504 | if (!ev_is_active (w)) |
|
|
1505 | return; |
|
|
1506 | |
|
|
1507 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1209 | ev_stop (EV_A_ (W)w); |
1508 | ev_stop (EV_A_ (W)w); |
1210 | } |
1509 | } |
1211 | |
1510 | |
1212 | void |
1511 | void |
1213 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1512 | ev_check_start (EV_P_ struct ev_check *w) |
1214 | { |
1513 | { |
1215 | if (ev_is_active (w)) |
1514 | if (ev_is_active (w)) |
1216 | return; |
1515 | return; |
1217 | |
1516 | |
1218 | ev_start (EV_A_ (W)w, ++preparecnt); |
1517 | ev_start (EV_A_ (W)w, ++checkcnt); |
1219 | array_needsize (prepares, preparemax, preparecnt, ); |
1518 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1220 | prepares [preparecnt - 1] = w; |
1519 | checks [checkcnt - 1] = w; |
1221 | } |
1520 | } |
1222 | |
1521 | |
1223 | void |
1522 | void |
1224 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1523 | ev_check_stop (EV_P_ struct ev_check *w) |
1225 | { |
1524 | { |
1226 | ev_clear_pending (EV_A_ (W)w); |
1525 | ev_clear_pending (EV_A_ (W)w); |
1227 | if (ev_is_active (w)) |
1526 | if (!ev_is_active (w)) |
1228 | return; |
1527 | return; |
1229 | |
1528 | |
1230 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1231 | ev_stop (EV_A_ (W)w); |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | void |
|
|
1235 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1236 | { |
|
|
1237 | if (ev_is_active (w)) |
|
|
1238 | return; |
|
|
1239 | |
|
|
1240 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1241 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1242 | checks [checkcnt - 1] = w; |
|
|
1243 | } |
|
|
1244 | |
|
|
1245 | void |
|
|
1246 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1247 | { |
|
|
1248 | ev_clear_pending (EV_A_ (W)w); |
|
|
1249 | if (ev_is_active (w)) |
|
|
1250 | return; |
|
|
1251 | |
|
|
1252 | checks [w->active - 1] = checks [--checkcnt]; |
1529 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1253 | ev_stop (EV_A_ (W)w); |
1530 | ev_stop (EV_A_ (W)w); |
1254 | } |
1531 | } |
1255 | |
1532 | |
1256 | #ifndef SA_RESTART |
1533 | #ifndef SA_RESTART |
1257 | # define SA_RESTART 0 |
1534 | # define SA_RESTART 0 |
… | |
… | |
1259 | |
1536 | |
1260 | void |
1537 | void |
1261 | ev_signal_start (EV_P_ struct ev_signal *w) |
1538 | ev_signal_start (EV_P_ struct ev_signal *w) |
1262 | { |
1539 | { |
1263 | #if EV_MULTIPLICITY |
1540 | #if EV_MULTIPLICITY |
1264 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1541 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1265 | #endif |
1542 | #endif |
1266 | if (ev_is_active (w)) |
1543 | if (ev_is_active (w)) |
1267 | return; |
1544 | return; |
1268 | |
1545 | |
1269 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1546 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1270 | |
1547 | |
1271 | ev_start (EV_A_ (W)w, 1); |
1548 | ev_start (EV_A_ (W)w, 1); |
1272 | array_needsize (signals, signalmax, w->signum, signals_init); |
1549 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1273 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1550 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1274 | |
1551 | |
1275 | if (!w->next) |
1552 | if (!((WL)w)->next) |
1276 | { |
1553 | { |
|
|
1554 | #if _WIN32 |
|
|
1555 | signal (w->signum, sighandler); |
|
|
1556 | #else |
1277 | struct sigaction sa; |
1557 | struct sigaction sa; |
1278 | sa.sa_handler = sighandler; |
1558 | sa.sa_handler = sighandler; |
1279 | sigfillset (&sa.sa_mask); |
1559 | sigfillset (&sa.sa_mask); |
1280 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1560 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1281 | sigaction (w->signum, &sa, 0); |
1561 | sigaction (w->signum, &sa, 0); |
|
|
1562 | #endif |
1282 | } |
1563 | } |
1283 | } |
1564 | } |
1284 | |
1565 | |
1285 | void |
1566 | void |
1286 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1567 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1298 | |
1579 | |
1299 | void |
1580 | void |
1300 | ev_child_start (EV_P_ struct ev_child *w) |
1581 | ev_child_start (EV_P_ struct ev_child *w) |
1301 | { |
1582 | { |
1302 | #if EV_MULTIPLICITY |
1583 | #if EV_MULTIPLICITY |
1303 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1584 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1304 | #endif |
1585 | #endif |
1305 | if (ev_is_active (w)) |
1586 | if (ev_is_active (w)) |
1306 | return; |
1587 | return; |
1307 | |
1588 | |
1308 | ev_start (EV_A_ (W)w, 1); |
1589 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1311 | |
1592 | |
1312 | void |
1593 | void |
1313 | ev_child_stop (EV_P_ struct ev_child *w) |
1594 | ev_child_stop (EV_P_ struct ev_child *w) |
1314 | { |
1595 | { |
1315 | ev_clear_pending (EV_A_ (W)w); |
1596 | ev_clear_pending (EV_A_ (W)w); |
1316 | if (ev_is_active (w)) |
1597 | if (!ev_is_active (w)) |
1317 | return; |
1598 | return; |
1318 | |
1599 | |
1319 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1600 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1320 | ev_stop (EV_A_ (W)w); |
1601 | ev_stop (EV_A_ (W)w); |
1321 | } |
1602 | } |
… | |
… | |
1336 | void (*cb)(int revents, void *arg) = once->cb; |
1617 | void (*cb)(int revents, void *arg) = once->cb; |
1337 | void *arg = once->arg; |
1618 | void *arg = once->arg; |
1338 | |
1619 | |
1339 | ev_io_stop (EV_A_ &once->io); |
1620 | ev_io_stop (EV_A_ &once->io); |
1340 | ev_timer_stop (EV_A_ &once->to); |
1621 | ev_timer_stop (EV_A_ &once->to); |
1341 | free (once); |
1622 | ev_free (once); |
1342 | |
1623 | |
1343 | cb (revents, arg); |
1624 | cb (revents, arg); |
1344 | } |
1625 | } |
1345 | |
1626 | |
1346 | static void |
1627 | static void |
… | |
… | |
1356 | } |
1637 | } |
1357 | |
1638 | |
1358 | void |
1639 | void |
1359 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1640 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1360 | { |
1641 | { |
1361 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1642 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1362 | |
1643 | |
1363 | if (!once) |
1644 | if (!once) |
1364 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1645 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1365 | else |
1646 | else |
1366 | { |
1647 | { |
1367 | once->cb = cb; |
1648 | once->cb = cb; |
1368 | once->arg = arg; |
1649 | once->arg = arg; |
1369 | |
1650 | |
1370 | ev_watcher_init (&once->io, once_cb_io); |
1651 | ev_init (&once->io, once_cb_io); |
1371 | if (fd >= 0) |
1652 | if (fd >= 0) |
1372 | { |
1653 | { |
1373 | ev_io_set (&once->io, fd, events); |
1654 | ev_io_set (&once->io, fd, events); |
1374 | ev_io_start (EV_A_ &once->io); |
1655 | ev_io_start (EV_A_ &once->io); |
1375 | } |
1656 | } |
1376 | |
1657 | |
1377 | ev_watcher_init (&once->to, once_cb_to); |
1658 | ev_init (&once->to, once_cb_to); |
1378 | if (timeout >= 0.) |
1659 | if (timeout >= 0.) |
1379 | { |
1660 | { |
1380 | ev_timer_set (&once->to, timeout, 0.); |
1661 | ev_timer_set (&once->to, timeout, 0.); |
1381 | ev_timer_start (EV_A_ &once->to); |
1662 | ev_timer_start (EV_A_ &once->to); |
1382 | } |
1663 | } |
1383 | } |
1664 | } |
1384 | } |
1665 | } |
1385 | |
1666 | |
|
|
1667 | #ifdef __cplusplus |
|
|
1668 | } |
|
|
1669 | #endif |
|
|
1670 | |