… | |
… | |
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_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 1 |
79 | #endif |
100 | #endif |
80 | |
101 | |
|
|
102 | #ifndef EV_USE_REALTIME |
|
|
103 | # define EV_USE_REALTIME 1 |
|
|
104 | #endif |
|
|
105 | |
81 | #ifndef EV_USE_SELECT |
106 | #ifndef EV_USE_SELECT |
82 | # define EV_USE_SELECT 1 |
107 | # define EV_USE_SELECT 1 |
|
|
108 | # define EV_SELECT_USE_FD_SET 1 |
83 | #endif |
109 | #endif |
84 | |
110 | |
85 | #ifndef EV_USE_POLL |
111 | #ifndef EV_USE_POLL |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
112 | # ifdef _WIN32 |
|
|
113 | # define EV_USE_POLL 0 |
|
|
114 | # else |
|
|
115 | # define EV_USE_POLL 1 |
|
|
116 | # endif |
87 | #endif |
117 | #endif |
88 | |
118 | |
89 | #ifndef EV_USE_EPOLL |
119 | #ifndef EV_USE_EPOLL |
90 | # define EV_USE_EPOLL 0 |
120 | # define EV_USE_EPOLL 0 |
91 | #endif |
121 | #endif |
92 | |
122 | |
93 | #ifndef EV_USE_KQUEUE |
123 | #ifndef EV_USE_KQUEUE |
94 | # define EV_USE_KQUEUE 0 |
124 | # define EV_USE_KQUEUE 0 |
95 | #endif |
125 | #endif |
96 | |
126 | |
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 |
127 | #ifndef EV_USE_PORT |
106 | # define EV_USE_REALTIME 1 |
128 | # define EV_USE_PORT 0 |
107 | #endif |
129 | #endif |
108 | |
130 | |
109 | /**/ |
131 | /**/ |
|
|
132 | |
|
|
133 | /* darwin simply cannot be helped */ |
|
|
134 | #ifdef __APPLE__ |
|
|
135 | # undef EV_USE_POLL |
|
|
136 | # undef EV_USE_KQUEUE |
|
|
137 | #endif |
110 | |
138 | |
111 | #ifndef CLOCK_MONOTONIC |
139 | #ifndef CLOCK_MONOTONIC |
112 | # undef EV_USE_MONOTONIC |
140 | # undef EV_USE_MONOTONIC |
113 | # define EV_USE_MONOTONIC 0 |
141 | # define EV_USE_MONOTONIC 0 |
114 | #endif |
142 | #endif |
115 | |
143 | |
116 | #ifndef CLOCK_REALTIME |
144 | #ifndef CLOCK_REALTIME |
117 | # undef EV_USE_REALTIME |
145 | # undef EV_USE_REALTIME |
118 | # define EV_USE_REALTIME 0 |
146 | # define EV_USE_REALTIME 0 |
|
|
147 | #endif |
|
|
148 | |
|
|
149 | #if EV_SELECT_IS_WINSOCKET |
|
|
150 | # include <winsock.h> |
119 | #endif |
151 | #endif |
120 | |
152 | |
121 | /**/ |
153 | /**/ |
122 | |
154 | |
123 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
155 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
124 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
156 | #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 */ |
157 | #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 */ |
158 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
127 | |
159 | |
|
|
160 | #ifdef EV_H |
|
|
161 | # include EV_H |
|
|
162 | #else |
128 | #include "ev.h" |
163 | # include "ev.h" |
|
|
164 | #endif |
129 | |
165 | |
130 | #if __GNUC__ >= 3 |
166 | #if __GNUC__ >= 3 |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
167 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define inline inline |
168 | # define inline inline |
133 | #else |
169 | #else |
… | |
… | |
139 | #define expect_true(expr) expect ((expr) != 0, 1) |
175 | #define expect_true(expr) expect ((expr) != 0, 1) |
140 | |
176 | |
141 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
177 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
142 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
178 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
143 | |
179 | |
|
|
180 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
181 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
182 | |
144 | typedef struct ev_watcher *W; |
183 | typedef struct ev_watcher *W; |
145 | typedef struct ev_watcher_list *WL; |
184 | typedef struct ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
185 | typedef struct ev_watcher_time *WT; |
147 | |
186 | |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
187 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
188 | |
150 | #if WIN32 |
189 | #ifdef _WIN32 |
151 | /* note: the comment below could not be substantiated, but what would I care */ |
190 | # include "ev_win32.c" |
152 | /* MSDN says this is required to handle SIGFPE */ |
|
|
153 | volatile double SIGFPE_REQ = 0.0f; |
|
|
154 | #endif |
191 | #endif |
|
|
192 | |
|
|
193 | /*****************************************************************************/ |
|
|
194 | |
|
|
195 | static void (*syserr_cb)(const char *msg); |
|
|
196 | |
|
|
197 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
198 | { |
|
|
199 | syserr_cb = cb; |
|
|
200 | } |
|
|
201 | |
|
|
202 | static void |
|
|
203 | syserr (const char *msg) |
|
|
204 | { |
|
|
205 | if (!msg) |
|
|
206 | msg = "(libev) system error"; |
|
|
207 | |
|
|
208 | if (syserr_cb) |
|
|
209 | syserr_cb (msg); |
|
|
210 | else |
|
|
211 | { |
|
|
212 | perror (msg); |
|
|
213 | abort (); |
|
|
214 | } |
|
|
215 | } |
|
|
216 | |
|
|
217 | static void *(*alloc)(void *ptr, long size); |
|
|
218 | |
|
|
219 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
220 | { |
|
|
221 | alloc = cb; |
|
|
222 | } |
|
|
223 | |
|
|
224 | static void * |
|
|
225 | ev_realloc (void *ptr, long size) |
|
|
226 | { |
|
|
227 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
228 | |
|
|
229 | if (!ptr && size) |
|
|
230 | { |
|
|
231 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
232 | abort (); |
|
|
233 | } |
|
|
234 | |
|
|
235 | return ptr; |
|
|
236 | } |
|
|
237 | |
|
|
238 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
239 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
155 | |
240 | |
156 | /*****************************************************************************/ |
241 | /*****************************************************************************/ |
157 | |
242 | |
158 | typedef struct |
243 | typedef struct |
159 | { |
244 | { |
160 | WL head; |
245 | WL head; |
161 | unsigned char events; |
246 | unsigned char events; |
162 | unsigned char reify; |
247 | unsigned char reify; |
|
|
248 | #if EV_SELECT_IS_WINSOCKET |
|
|
249 | SOCKET handle; |
|
|
250 | #endif |
163 | } ANFD; |
251 | } ANFD; |
164 | |
252 | |
165 | typedef struct |
253 | typedef struct |
166 | { |
254 | { |
167 | W w; |
255 | W w; |
168 | int events; |
256 | int events; |
169 | } ANPENDING; |
257 | } ANPENDING; |
170 | |
258 | |
171 | #if EV_MULTIPLICITY |
259 | #if EV_MULTIPLICITY |
172 | |
260 | |
173 | struct ev_loop |
261 | struct ev_loop |
174 | { |
262 | { |
|
|
263 | ev_tstamp ev_rt_now; |
|
|
264 | #define ev_rt_now ((loop)->ev_rt_now) |
175 | # define VAR(name,decl) decl; |
265 | #define VAR(name,decl) decl; |
176 | # include "ev_vars.h" |
266 | #include "ev_vars.h" |
177 | }; |
|
|
178 | # undef VAR |
267 | #undef VAR |
|
|
268 | }; |
179 | # include "ev_wrap.h" |
269 | #include "ev_wrap.h" |
|
|
270 | |
|
|
271 | static struct ev_loop default_loop_struct; |
|
|
272 | struct ev_loop *ev_default_loop_ptr; |
180 | |
273 | |
181 | #else |
274 | #else |
182 | |
275 | |
|
|
276 | ev_tstamp ev_rt_now; |
183 | # define VAR(name,decl) static decl; |
277 | #define VAR(name,decl) static decl; |
184 | # include "ev_vars.h" |
278 | #include "ev_vars.h" |
185 | # undef VAR |
279 | #undef VAR |
|
|
280 | |
|
|
281 | static int ev_default_loop_ptr; |
186 | |
282 | |
187 | #endif |
283 | #endif |
188 | |
284 | |
189 | /*****************************************************************************/ |
285 | /*****************************************************************************/ |
190 | |
286 | |
191 | inline ev_tstamp |
287 | ev_tstamp |
192 | ev_time (void) |
288 | ev_time (void) |
193 | { |
289 | { |
194 | #if EV_USE_REALTIME |
290 | #if EV_USE_REALTIME |
195 | struct timespec ts; |
291 | struct timespec ts; |
196 | clock_gettime (CLOCK_REALTIME, &ts); |
292 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
215 | #endif |
311 | #endif |
216 | |
312 | |
217 | return ev_time (); |
313 | return ev_time (); |
218 | } |
314 | } |
219 | |
315 | |
|
|
316 | #if EV_MULTIPLICITY |
220 | ev_tstamp |
317 | ev_tstamp |
221 | ev_now (EV_P) |
318 | ev_now (EV_P) |
222 | { |
319 | { |
223 | return rt_now; |
320 | return ev_rt_now; |
224 | } |
321 | } |
|
|
322 | #endif |
225 | |
323 | |
226 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
324 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
227 | |
325 | |
228 | #define array_needsize(base,cur,cnt,init) \ |
326 | #define array_needsize(type,base,cur,cnt,init) \ |
229 | if (expect_false ((cnt) > cur)) \ |
327 | if (expect_false ((cnt) > cur)) \ |
230 | { \ |
328 | { \ |
231 | int newcnt = cur; \ |
329 | int newcnt = cur; \ |
232 | do \ |
330 | do \ |
233 | { \ |
331 | { \ |
234 | newcnt = array_roundsize (base, newcnt << 1); \ |
332 | newcnt = array_roundsize (type, newcnt << 1); \ |
235 | } \ |
333 | } \ |
236 | while ((cnt) > newcnt); \ |
334 | while ((cnt) > newcnt); \ |
237 | \ |
335 | \ |
238 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
336 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
239 | init (base + cur, newcnt - cur); \ |
337 | init (base + cur, newcnt - cur); \ |
240 | cur = newcnt; \ |
338 | cur = newcnt; \ |
241 | } |
339 | } |
242 | |
340 | |
243 | #define array_slim(stem) \ |
341 | #define array_slim(type,stem) \ |
244 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
342 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
245 | { \ |
343 | { \ |
246 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
344 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
247 | base = realloc (base, sizeof (*base) * (stem ## max)); \ |
345 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
248 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
346 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
249 | } |
347 | } |
250 | |
348 | |
251 | #define array_free(stem, idx) \ |
349 | #define array_free(stem, idx) \ |
252 | free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
350 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
253 | |
351 | |
254 | /*****************************************************************************/ |
352 | /*****************************************************************************/ |
255 | |
353 | |
256 | static void |
354 | static void |
257 | anfds_init (ANFD *base, int count) |
355 | anfds_init (ANFD *base, int count) |
… | |
… | |
264 | |
362 | |
265 | ++base; |
363 | ++base; |
266 | } |
364 | } |
267 | } |
365 | } |
268 | |
366 | |
269 | static void |
367 | void |
270 | event (EV_P_ W w, int events) |
368 | ev_feed_event (EV_P_ void *w, int revents) |
271 | { |
369 | { |
|
|
370 | W w_ = (W)w; |
|
|
371 | |
272 | if (w->pending) |
372 | if (w_->pending) |
273 | { |
373 | { |
274 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
374 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
275 | return; |
375 | return; |
276 | } |
376 | } |
277 | |
377 | |
278 | w->pending = ++pendingcnt [ABSPRI (w)]; |
378 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
279 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
379 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
280 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
380 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
281 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
381 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
282 | } |
382 | } |
283 | |
383 | |
284 | static void |
384 | static void |
285 | queue_events (EV_P_ W *events, int eventcnt, int type) |
385 | queue_events (EV_P_ W *events, int eventcnt, int type) |
286 | { |
386 | { |
287 | int i; |
387 | int i; |
288 | |
388 | |
289 | for (i = 0; i < eventcnt; ++i) |
389 | for (i = 0; i < eventcnt; ++i) |
290 | event (EV_A_ events [i], type); |
390 | ev_feed_event (EV_A_ events [i], type); |
291 | } |
391 | } |
292 | |
392 | |
293 | static void |
393 | inline void |
294 | fd_event (EV_P_ int fd, int events) |
394 | fd_event (EV_P_ int fd, int revents) |
295 | { |
395 | { |
296 | ANFD *anfd = anfds + fd; |
396 | ANFD *anfd = anfds + fd; |
297 | struct ev_io *w; |
397 | struct ev_io *w; |
298 | |
398 | |
299 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
399 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
300 | { |
400 | { |
301 | int ev = w->events & events; |
401 | int ev = w->events & revents; |
302 | |
402 | |
303 | if (ev) |
403 | if (ev) |
304 | event (EV_A_ (W)w, ev); |
404 | ev_feed_event (EV_A_ (W)w, ev); |
305 | } |
405 | } |
|
|
406 | } |
|
|
407 | |
|
|
408 | void |
|
|
409 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
410 | { |
|
|
411 | fd_event (EV_A_ fd, revents); |
306 | } |
412 | } |
307 | |
413 | |
308 | /*****************************************************************************/ |
414 | /*****************************************************************************/ |
309 | |
415 | |
310 | static void |
416 | static void |
… | |
… | |
321 | int events = 0; |
427 | int events = 0; |
322 | |
428 | |
323 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
429 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
324 | events |= w->events; |
430 | events |= w->events; |
325 | |
431 | |
|
|
432 | #if EV_SELECT_IS_WINSOCKET |
|
|
433 | if (events) |
|
|
434 | { |
|
|
435 | unsigned long argp; |
|
|
436 | anfd->handle = _get_osfhandle (fd); |
|
|
437 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
438 | } |
|
|
439 | #endif |
|
|
440 | |
326 | anfd->reify = 0; |
441 | anfd->reify = 0; |
327 | |
442 | |
328 | method_modify (EV_A_ fd, anfd->events, events); |
443 | method_modify (EV_A_ fd, anfd->events, events); |
329 | anfd->events = events; |
444 | anfd->events = events; |
330 | } |
445 | } |
… | |
… | |
333 | } |
448 | } |
334 | |
449 | |
335 | static void |
450 | static void |
336 | fd_change (EV_P_ int fd) |
451 | fd_change (EV_P_ int fd) |
337 | { |
452 | { |
338 | if (anfds [fd].reify || fdchangecnt < 0) |
453 | if (anfds [fd].reify) |
339 | return; |
454 | return; |
340 | |
455 | |
341 | anfds [fd].reify = 1; |
456 | anfds [fd].reify = 1; |
342 | |
457 | |
343 | ++fdchangecnt; |
458 | ++fdchangecnt; |
344 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
459 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
345 | fdchanges [fdchangecnt - 1] = fd; |
460 | fdchanges [fdchangecnt - 1] = fd; |
346 | } |
461 | } |
347 | |
462 | |
348 | static void |
463 | static void |
349 | fd_kill (EV_P_ int fd) |
464 | fd_kill (EV_P_ int fd) |
… | |
… | |
351 | struct ev_io *w; |
466 | struct ev_io *w; |
352 | |
467 | |
353 | while ((w = (struct ev_io *)anfds [fd].head)) |
468 | while ((w = (struct ev_io *)anfds [fd].head)) |
354 | { |
469 | { |
355 | ev_io_stop (EV_A_ w); |
470 | ev_io_stop (EV_A_ w); |
356 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
471 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
357 | } |
472 | } |
|
|
473 | } |
|
|
474 | |
|
|
475 | static int |
|
|
476 | fd_valid (int fd) |
|
|
477 | { |
|
|
478 | #ifdef _WIN32 |
|
|
479 | return _get_osfhandle (fd) != -1; |
|
|
480 | #else |
|
|
481 | return fcntl (fd, F_GETFD) != -1; |
|
|
482 | #endif |
358 | } |
483 | } |
359 | |
484 | |
360 | /* called on EBADF to verify fds */ |
485 | /* called on EBADF to verify fds */ |
361 | static void |
486 | static void |
362 | fd_ebadf (EV_P) |
487 | fd_ebadf (EV_P) |
363 | { |
488 | { |
364 | int fd; |
489 | int fd; |
365 | |
490 | |
366 | for (fd = 0; fd < anfdmax; ++fd) |
491 | for (fd = 0; fd < anfdmax; ++fd) |
367 | if (anfds [fd].events) |
492 | if (anfds [fd].events) |
368 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
493 | if (!fd_valid (fd) == -1 && errno == EBADF) |
369 | fd_kill (EV_A_ fd); |
494 | fd_kill (EV_A_ fd); |
370 | } |
495 | } |
371 | |
496 | |
372 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
497 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
373 | static void |
498 | static void |
… | |
… | |
381 | fd_kill (EV_A_ fd); |
506 | fd_kill (EV_A_ fd); |
382 | return; |
507 | return; |
383 | } |
508 | } |
384 | } |
509 | } |
385 | |
510 | |
386 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
511 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
387 | static void |
512 | static void |
388 | fd_rearm_all (EV_P) |
513 | fd_rearm_all (EV_P) |
389 | { |
514 | { |
390 | int fd; |
515 | int fd; |
391 | |
516 | |
… | |
… | |
439 | |
564 | |
440 | heap [k] = w; |
565 | heap [k] = w; |
441 | ((W)heap [k])->active = k + 1; |
566 | ((W)heap [k])->active = k + 1; |
442 | } |
567 | } |
443 | |
568 | |
|
|
569 | inline void |
|
|
570 | adjustheap (WT *heap, int N, int k) |
|
|
571 | { |
|
|
572 | upheap (heap, k); |
|
|
573 | downheap (heap, N, k); |
|
|
574 | } |
|
|
575 | |
444 | /*****************************************************************************/ |
576 | /*****************************************************************************/ |
445 | |
577 | |
446 | typedef struct |
578 | typedef struct |
447 | { |
579 | { |
448 | WL head; |
580 | WL head; |
… | |
… | |
469 | } |
601 | } |
470 | |
602 | |
471 | static void |
603 | static void |
472 | sighandler (int signum) |
604 | sighandler (int signum) |
473 | { |
605 | { |
474 | #if WIN32 |
606 | #if _WIN32 |
475 | signal (signum, sighandler); |
607 | signal (signum, sighandler); |
476 | #endif |
608 | #endif |
477 | |
609 | |
478 | signals [signum - 1].gotsig = 1; |
610 | signals [signum - 1].gotsig = 1; |
479 | |
611 | |
… | |
… | |
484 | write (sigpipe [1], &signum, 1); |
616 | write (sigpipe [1], &signum, 1); |
485 | errno = old_errno; |
617 | errno = old_errno; |
486 | } |
618 | } |
487 | } |
619 | } |
488 | |
620 | |
|
|
621 | void |
|
|
622 | ev_feed_signal_event (EV_P_ int signum) |
|
|
623 | { |
|
|
624 | WL w; |
|
|
625 | |
|
|
626 | #if EV_MULTIPLICITY |
|
|
627 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
628 | #endif |
|
|
629 | |
|
|
630 | --signum; |
|
|
631 | |
|
|
632 | if (signum < 0 || signum >= signalmax) |
|
|
633 | return; |
|
|
634 | |
|
|
635 | signals [signum].gotsig = 0; |
|
|
636 | |
|
|
637 | for (w = signals [signum].head; w; w = w->next) |
|
|
638 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
639 | } |
|
|
640 | |
489 | static void |
641 | static void |
490 | sigcb (EV_P_ struct ev_io *iow, int revents) |
642 | sigcb (EV_P_ struct ev_io *iow, int revents) |
491 | { |
643 | { |
492 | WL w; |
|
|
493 | int signum; |
644 | int signum; |
494 | |
645 | |
495 | read (sigpipe [0], &revents, 1); |
646 | read (sigpipe [0], &revents, 1); |
496 | gotsig = 0; |
647 | gotsig = 0; |
497 | |
648 | |
498 | for (signum = signalmax; signum--; ) |
649 | for (signum = signalmax; signum--; ) |
499 | if (signals [signum].gotsig) |
650 | if (signals [signum].gotsig) |
500 | { |
651 | ev_feed_signal_event (EV_A_ signum + 1); |
501 | signals [signum].gotsig = 0; |
652 | } |
502 | |
653 | |
503 | for (w = signals [signum].head; w; w = w->next) |
654 | inline void |
504 | event (EV_A_ (W)w, EV_SIGNAL); |
655 | fd_intern (int fd) |
505 | } |
656 | { |
|
|
657 | #ifdef _WIN32 |
|
|
658 | int arg = 1; |
|
|
659 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
660 | #else |
|
|
661 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
662 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
663 | #endif |
506 | } |
664 | } |
507 | |
665 | |
508 | static void |
666 | static void |
509 | siginit (EV_P) |
667 | siginit (EV_P) |
510 | { |
668 | { |
511 | #ifndef WIN32 |
669 | fd_intern (sigpipe [0]); |
512 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
670 | fd_intern (sigpipe [1]); |
513 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
514 | |
|
|
515 | /* rather than sort out wether we really need nb, set it */ |
|
|
516 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
517 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
518 | #endif |
|
|
519 | |
671 | |
520 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
672 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
521 | ev_io_start (EV_A_ &sigev); |
673 | ev_io_start (EV_A_ &sigev); |
522 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
674 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
523 | } |
675 | } |
524 | |
676 | |
525 | /*****************************************************************************/ |
677 | /*****************************************************************************/ |
526 | |
678 | |
527 | #ifndef WIN32 |
|
|
528 | |
|
|
529 | static struct ev_child *childs [PID_HASHSIZE]; |
679 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
680 | |
|
|
681 | #ifndef _WIN32 |
|
|
682 | |
530 | static struct ev_signal childev; |
683 | static struct ev_signal childev; |
531 | |
684 | |
532 | #ifndef WCONTINUED |
685 | #ifndef WCONTINUED |
533 | # define WCONTINUED 0 |
686 | # define WCONTINUED 0 |
534 | #endif |
687 | #endif |
… | |
… | |
542 | if (w->pid == pid || !w->pid) |
695 | if (w->pid == pid || !w->pid) |
543 | { |
696 | { |
544 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
697 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
545 | w->rpid = pid; |
698 | w->rpid = pid; |
546 | w->rstatus = status; |
699 | w->rstatus = status; |
547 | event (EV_A_ (W)w, EV_CHILD); |
700 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
548 | } |
701 | } |
549 | } |
702 | } |
550 | |
703 | |
551 | static void |
704 | static void |
552 | childcb (EV_P_ struct ev_signal *sw, int revents) |
705 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
554 | int pid, status; |
707 | int pid, status; |
555 | |
708 | |
556 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
709 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
557 | { |
710 | { |
558 | /* make sure we are called again until all childs have been reaped */ |
711 | /* make sure we are called again until all childs have been reaped */ |
559 | event (EV_A_ (W)sw, EV_SIGNAL); |
712 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
560 | |
713 | |
561 | child_reap (EV_A_ sw, pid, pid, status); |
714 | child_reap (EV_A_ sw, pid, pid, status); |
562 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
715 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
563 | } |
716 | } |
564 | } |
717 | } |
565 | |
718 | |
566 | #endif |
719 | #endif |
567 | |
720 | |
568 | /*****************************************************************************/ |
721 | /*****************************************************************************/ |
569 | |
722 | |
|
|
723 | #if EV_USE_PORT |
|
|
724 | # include "ev_port.c" |
|
|
725 | #endif |
570 | #if EV_USE_KQUEUE |
726 | #if EV_USE_KQUEUE |
571 | # include "ev_kqueue.c" |
727 | # include "ev_kqueue.c" |
572 | #endif |
728 | #endif |
573 | #if EV_USE_EPOLL |
729 | #if EV_USE_EPOLL |
574 | # include "ev_epoll.c" |
730 | # include "ev_epoll.c" |
… | |
… | |
594 | |
750 | |
595 | /* return true if we are running with elevated privileges and should ignore env variables */ |
751 | /* return true if we are running with elevated privileges and should ignore env variables */ |
596 | static int |
752 | static int |
597 | enable_secure (void) |
753 | enable_secure (void) |
598 | { |
754 | { |
599 | #ifdef WIN32 |
755 | #ifdef _WIN32 |
600 | return 0; |
756 | return 0; |
601 | #else |
757 | #else |
602 | return getuid () != geteuid () |
758 | return getuid () != geteuid () |
603 | || getgid () != getegid (); |
759 | || getgid () != getegid (); |
604 | #endif |
760 | #endif |
605 | } |
761 | } |
606 | |
762 | |
607 | int |
763 | unsigned int |
608 | ev_method (EV_P) |
764 | ev_method (EV_P) |
609 | { |
765 | { |
610 | return method; |
766 | return method; |
611 | } |
767 | } |
612 | |
768 | |
613 | static void |
769 | static void |
614 | loop_init (EV_P_ int methods) |
770 | loop_init (EV_P_ unsigned int flags) |
615 | { |
771 | { |
616 | if (!method) |
772 | if (!method) |
617 | { |
773 | { |
618 | #if EV_USE_MONOTONIC |
774 | #if EV_USE_MONOTONIC |
619 | { |
775 | { |
… | |
… | |
621 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
777 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
622 | have_monotonic = 1; |
778 | have_monotonic = 1; |
623 | } |
779 | } |
624 | #endif |
780 | #endif |
625 | |
781 | |
626 | rt_now = ev_time (); |
782 | ev_rt_now = ev_time (); |
627 | mn_now = get_clock (); |
783 | mn_now = get_clock (); |
628 | now_floor = mn_now; |
784 | now_floor = mn_now; |
629 | rtmn_diff = rt_now - mn_now; |
785 | rtmn_diff = ev_rt_now - mn_now; |
630 | |
786 | |
631 | if (methods == EVMETHOD_AUTO) |
787 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
632 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
|
|
633 | methods = atoi (getenv ("LIBEV_METHODS")); |
788 | flags = atoi (getenv ("LIBEV_FLAGS")); |
634 | else |
789 | |
635 | methods = EVMETHOD_ANY; |
790 | if (!(flags & 0x0000ffff)) |
|
|
791 | flags |= 0x0000ffff; |
636 | |
792 | |
637 | method = 0; |
793 | method = 0; |
638 | #if EV_USE_WIN32 |
794 | #if EV_USE_PORT |
639 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
795 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
640 | #endif |
796 | #endif |
641 | #if EV_USE_KQUEUE |
797 | #if EV_USE_KQUEUE |
642 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
798 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
643 | #endif |
799 | #endif |
644 | #if EV_USE_EPOLL |
800 | #if EV_USE_EPOLL |
645 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
801 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
646 | #endif |
802 | #endif |
647 | #if EV_USE_POLL |
803 | #if EV_USE_POLL |
648 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
804 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
649 | #endif |
805 | #endif |
650 | #if EV_USE_SELECT |
806 | #if EV_USE_SELECT |
651 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
807 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
652 | #endif |
808 | #endif |
|
|
809 | |
|
|
810 | ev_init (&sigev, sigcb); |
|
|
811 | ev_set_priority (&sigev, EV_MAXPRI); |
653 | } |
812 | } |
654 | } |
813 | } |
655 | |
814 | |
656 | void |
815 | void |
657 | loop_destroy (EV_P) |
816 | loop_destroy (EV_P) |
658 | { |
817 | { |
659 | int i; |
818 | int i; |
660 | |
819 | |
661 | #if EV_USE_WIN32 |
820 | #if EV_USE_PORT |
662 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
821 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
663 | #endif |
822 | #endif |
664 | #if EV_USE_KQUEUE |
823 | #if EV_USE_KQUEUE |
665 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
824 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
666 | #endif |
825 | #endif |
667 | #if EV_USE_EPOLL |
826 | #if EV_USE_EPOLL |
… | |
… | |
675 | #endif |
834 | #endif |
676 | |
835 | |
677 | for (i = NUMPRI; i--; ) |
836 | for (i = NUMPRI; i--; ) |
678 | array_free (pending, [i]); |
837 | array_free (pending, [i]); |
679 | |
838 | |
|
|
839 | /* have to use the microsoft-never-gets-it-right macro */ |
680 | array_free (fdchange, ); |
840 | array_free (fdchange, EMPTY0); |
681 | array_free (timer, ); |
841 | array_free (timer, EMPTY0); |
|
|
842 | #if EV_PERIODICS |
682 | array_free (periodic, ); |
843 | array_free (periodic, EMPTY0); |
|
|
844 | #endif |
683 | array_free (idle, ); |
845 | array_free (idle, EMPTY0); |
684 | array_free (prepare, ); |
846 | array_free (prepare, EMPTY0); |
685 | array_free (check, ); |
847 | array_free (check, EMPTY0); |
686 | |
848 | |
687 | method = 0; |
849 | method = 0; |
688 | /*TODO*/ |
|
|
689 | } |
850 | } |
690 | |
851 | |
691 | void |
852 | static void |
692 | loop_fork (EV_P) |
853 | loop_fork (EV_P) |
693 | { |
854 | { |
694 | /*TODO*/ |
855 | #if EV_USE_PORT |
|
|
856 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
|
|
857 | #endif |
|
|
858 | #if EV_USE_KQUEUE |
|
|
859 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
860 | #endif |
695 | #if EV_USE_EPOLL |
861 | #if EV_USE_EPOLL |
696 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
862 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
697 | #endif |
863 | #endif |
698 | #if EV_USE_KQUEUE |
864 | |
699 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
865 | if (ev_is_active (&sigev)) |
700 | #endif |
866 | { |
|
|
867 | /* default loop */ |
|
|
868 | |
|
|
869 | ev_ref (EV_A); |
|
|
870 | ev_io_stop (EV_A_ &sigev); |
|
|
871 | close (sigpipe [0]); |
|
|
872 | close (sigpipe [1]); |
|
|
873 | |
|
|
874 | while (pipe (sigpipe)) |
|
|
875 | syserr ("(libev) error creating pipe"); |
|
|
876 | |
|
|
877 | siginit (EV_A); |
|
|
878 | } |
|
|
879 | |
|
|
880 | postfork = 0; |
701 | } |
881 | } |
702 | |
882 | |
703 | #if EV_MULTIPLICITY |
883 | #if EV_MULTIPLICITY |
704 | struct ev_loop * |
884 | struct ev_loop * |
705 | ev_loop_new (int methods) |
885 | ev_loop_new (unsigned int flags) |
706 | { |
886 | { |
707 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
887 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
708 | |
888 | |
|
|
889 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
890 | |
709 | loop_init (EV_A_ methods); |
891 | loop_init (EV_A_ flags); |
710 | |
892 | |
711 | if (ev_method (EV_A)) |
893 | if (ev_method (EV_A)) |
712 | return loop; |
894 | return loop; |
713 | |
895 | |
714 | return 0; |
896 | return 0; |
… | |
… | |
716 | |
898 | |
717 | void |
899 | void |
718 | ev_loop_destroy (EV_P) |
900 | ev_loop_destroy (EV_P) |
719 | { |
901 | { |
720 | loop_destroy (EV_A); |
902 | loop_destroy (EV_A); |
721 | free (loop); |
903 | ev_free (loop); |
722 | } |
904 | } |
723 | |
905 | |
724 | void |
906 | void |
725 | ev_loop_fork (EV_P) |
907 | ev_loop_fork (EV_P) |
726 | { |
908 | { |
727 | loop_fork (EV_A); |
909 | postfork = 1; |
728 | } |
910 | } |
729 | |
911 | |
730 | #endif |
912 | #endif |
731 | |
913 | |
732 | #if EV_MULTIPLICITY |
914 | #if EV_MULTIPLICITY |
733 | struct ev_loop default_loop_struct; |
|
|
734 | static struct ev_loop *default_loop; |
|
|
735 | |
|
|
736 | struct ev_loop * |
915 | struct ev_loop * |
|
|
916 | ev_default_loop_ (unsigned int flags) |
737 | #else |
917 | #else |
738 | static int default_loop; |
|
|
739 | |
|
|
740 | int |
918 | int |
|
|
919 | ev_default_loop (unsigned int flags) |
741 | #endif |
920 | #endif |
742 | ev_default_loop (int methods) |
|
|
743 | { |
921 | { |
744 | if (sigpipe [0] == sigpipe [1]) |
922 | if (sigpipe [0] == sigpipe [1]) |
745 | if (pipe (sigpipe)) |
923 | if (pipe (sigpipe)) |
746 | return 0; |
924 | return 0; |
747 | |
925 | |
748 | if (!default_loop) |
926 | if (!ev_default_loop_ptr) |
749 | { |
927 | { |
750 | #if EV_MULTIPLICITY |
928 | #if EV_MULTIPLICITY |
751 | struct ev_loop *loop = default_loop = &default_loop_struct; |
929 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
752 | #else |
930 | #else |
753 | default_loop = 1; |
931 | ev_default_loop_ptr = 1; |
754 | #endif |
932 | #endif |
755 | |
933 | |
756 | loop_init (EV_A_ methods); |
934 | loop_init (EV_A_ flags); |
757 | |
935 | |
758 | if (ev_method (EV_A)) |
936 | if (ev_method (EV_A)) |
759 | { |
937 | { |
760 | ev_watcher_init (&sigev, sigcb); |
|
|
761 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
762 | siginit (EV_A); |
938 | siginit (EV_A); |
763 | |
939 | |
764 | #ifndef WIN32 |
940 | #ifndef _WIN32 |
765 | ev_signal_init (&childev, childcb, SIGCHLD); |
941 | ev_signal_init (&childev, childcb, SIGCHLD); |
766 | ev_set_priority (&childev, EV_MAXPRI); |
942 | ev_set_priority (&childev, EV_MAXPRI); |
767 | ev_signal_start (EV_A_ &childev); |
943 | ev_signal_start (EV_A_ &childev); |
768 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
944 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
769 | #endif |
945 | #endif |
770 | } |
946 | } |
771 | else |
947 | else |
772 | default_loop = 0; |
948 | ev_default_loop_ptr = 0; |
773 | } |
949 | } |
774 | |
950 | |
775 | return default_loop; |
951 | return ev_default_loop_ptr; |
776 | } |
952 | } |
777 | |
953 | |
778 | void |
954 | void |
779 | ev_default_destroy (void) |
955 | ev_default_destroy (void) |
780 | { |
956 | { |
781 | #if EV_MULTIPLICITY |
957 | #if EV_MULTIPLICITY |
782 | struct ev_loop *loop = default_loop; |
958 | struct ev_loop *loop = ev_default_loop_ptr; |
783 | #endif |
959 | #endif |
784 | |
960 | |
|
|
961 | #ifndef _WIN32 |
785 | ev_ref (EV_A); /* child watcher */ |
962 | ev_ref (EV_A); /* child watcher */ |
786 | ev_signal_stop (EV_A_ &childev); |
963 | ev_signal_stop (EV_A_ &childev); |
|
|
964 | #endif |
787 | |
965 | |
788 | ev_ref (EV_A); /* signal watcher */ |
966 | ev_ref (EV_A); /* signal watcher */ |
789 | ev_io_stop (EV_A_ &sigev); |
967 | ev_io_stop (EV_A_ &sigev); |
790 | |
968 | |
791 | close (sigpipe [0]); sigpipe [0] = 0; |
969 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
796 | |
974 | |
797 | void |
975 | void |
798 | ev_default_fork (void) |
976 | ev_default_fork (void) |
799 | { |
977 | { |
800 | #if EV_MULTIPLICITY |
978 | #if EV_MULTIPLICITY |
801 | struct ev_loop *loop = default_loop; |
979 | struct ev_loop *loop = ev_default_loop_ptr; |
802 | #endif |
980 | #endif |
803 | |
981 | |
804 | loop_fork (EV_A); |
982 | if (method) |
805 | |
983 | postfork = 1; |
806 | ev_io_stop (EV_A_ &sigev); |
|
|
807 | close (sigpipe [0]); |
|
|
808 | close (sigpipe [1]); |
|
|
809 | pipe (sigpipe); |
|
|
810 | |
|
|
811 | ev_ref (EV_A); /* signal watcher */ |
|
|
812 | siginit (EV_A); |
|
|
813 | } |
984 | } |
814 | |
985 | |
815 | /*****************************************************************************/ |
986 | /*****************************************************************************/ |
|
|
987 | |
|
|
988 | static int |
|
|
989 | any_pending (EV_P) |
|
|
990 | { |
|
|
991 | int pri; |
|
|
992 | |
|
|
993 | for (pri = NUMPRI; pri--; ) |
|
|
994 | if (pendingcnt [pri]) |
|
|
995 | return 1; |
|
|
996 | |
|
|
997 | return 0; |
|
|
998 | } |
816 | |
999 | |
817 | static void |
1000 | static void |
818 | call_pending (EV_P) |
1001 | call_pending (EV_P) |
819 | { |
1002 | { |
820 | int pri; |
1003 | int pri; |
… | |
… | |
825 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1008 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
826 | |
1009 | |
827 | if (p->w) |
1010 | if (p->w) |
828 | { |
1011 | { |
829 | p->w->pending = 0; |
1012 | p->w->pending = 0; |
830 | p->w->cb (EV_A_ p->w, p->events); |
1013 | EV_CB_INVOKE (p->w, p->events); |
831 | } |
1014 | } |
832 | } |
1015 | } |
833 | } |
1016 | } |
834 | |
1017 | |
835 | static void |
1018 | static void |
… | |
… | |
843 | |
1026 | |
844 | /* first reschedule or stop timer */ |
1027 | /* first reschedule or stop timer */ |
845 | if (w->repeat) |
1028 | if (w->repeat) |
846 | { |
1029 | { |
847 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1030 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1031 | |
848 | ((WT)w)->at = mn_now + w->repeat; |
1032 | ((WT)w)->at += w->repeat; |
|
|
1033 | if (((WT)w)->at < mn_now) |
|
|
1034 | ((WT)w)->at = mn_now; |
|
|
1035 | |
849 | downheap ((WT *)timers, timercnt, 0); |
1036 | downheap ((WT *)timers, timercnt, 0); |
850 | } |
1037 | } |
851 | else |
1038 | else |
852 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1039 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
853 | |
1040 | |
854 | event (EV_A_ (W)w, EV_TIMEOUT); |
1041 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
855 | } |
1042 | } |
856 | } |
1043 | } |
857 | |
1044 | |
|
|
1045 | #if EV_PERIODICS |
858 | static void |
1046 | static void |
859 | periodics_reify (EV_P) |
1047 | periodics_reify (EV_P) |
860 | { |
1048 | { |
861 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1049 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
862 | { |
1050 | { |
863 | struct ev_periodic *w = periodics [0]; |
1051 | struct ev_periodic *w = periodics [0]; |
864 | |
1052 | |
865 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1053 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
866 | |
1054 | |
867 | /* first reschedule or stop timer */ |
1055 | /* first reschedule or stop timer */ |
868 | if (w->interval) |
1056 | if (w->reschedule_cb) |
869 | { |
1057 | { |
|
|
1058 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1059 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1060 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1061 | } |
|
|
1062 | else if (w->interval) |
|
|
1063 | { |
870 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1064 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
871 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1065 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
872 | downheap ((WT *)periodics, periodiccnt, 0); |
1066 | downheap ((WT *)periodics, periodiccnt, 0); |
873 | } |
1067 | } |
874 | else |
1068 | else |
875 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1069 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
876 | |
1070 | |
877 | event (EV_A_ (W)w, EV_PERIODIC); |
1071 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
878 | } |
1072 | } |
879 | } |
1073 | } |
880 | |
1074 | |
881 | static void |
1075 | static void |
882 | periodics_reschedule (EV_P) |
1076 | periodics_reschedule (EV_P) |
… | |
… | |
886 | /* adjust periodics after time jump */ |
1080 | /* adjust periodics after time jump */ |
887 | for (i = 0; i < periodiccnt; ++i) |
1081 | for (i = 0; i < periodiccnt; ++i) |
888 | { |
1082 | { |
889 | struct ev_periodic *w = periodics [i]; |
1083 | struct ev_periodic *w = periodics [i]; |
890 | |
1084 | |
|
|
1085 | if (w->reschedule_cb) |
|
|
1086 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
891 | if (w->interval) |
1087 | else if (w->interval) |
892 | { |
|
|
893 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1088 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
894 | |
|
|
895 | if (fabs (diff) >= 1e-4) |
|
|
896 | { |
|
|
897 | ev_periodic_stop (EV_A_ w); |
|
|
898 | ev_periodic_start (EV_A_ w); |
|
|
899 | |
|
|
900 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
901 | } |
|
|
902 | } |
|
|
903 | } |
1089 | } |
|
|
1090 | |
|
|
1091 | /* now rebuild the heap */ |
|
|
1092 | for (i = periodiccnt >> 1; i--; ) |
|
|
1093 | downheap ((WT *)periodics, periodiccnt, i); |
904 | } |
1094 | } |
|
|
1095 | #endif |
905 | |
1096 | |
906 | inline int |
1097 | inline int |
907 | time_update_monotonic (EV_P) |
1098 | time_update_monotonic (EV_P) |
908 | { |
1099 | { |
909 | mn_now = get_clock (); |
1100 | mn_now = get_clock (); |
910 | |
1101 | |
911 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1102 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
912 | { |
1103 | { |
913 | rt_now = rtmn_diff + mn_now; |
1104 | ev_rt_now = rtmn_diff + mn_now; |
914 | return 0; |
1105 | return 0; |
915 | } |
1106 | } |
916 | else |
1107 | else |
917 | { |
1108 | { |
918 | now_floor = mn_now; |
1109 | now_floor = mn_now; |
919 | rt_now = ev_time (); |
1110 | ev_rt_now = ev_time (); |
920 | return 1; |
1111 | return 1; |
921 | } |
1112 | } |
922 | } |
1113 | } |
923 | |
1114 | |
924 | static void |
1115 | static void |
… | |
… | |
933 | { |
1124 | { |
934 | ev_tstamp odiff = rtmn_diff; |
1125 | ev_tstamp odiff = rtmn_diff; |
935 | |
1126 | |
936 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1127 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
937 | { |
1128 | { |
938 | rtmn_diff = rt_now - mn_now; |
1129 | rtmn_diff = ev_rt_now - mn_now; |
939 | |
1130 | |
940 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1131 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
941 | return; /* all is well */ |
1132 | return; /* all is well */ |
942 | |
1133 | |
943 | rt_now = ev_time (); |
1134 | ev_rt_now = ev_time (); |
944 | mn_now = get_clock (); |
1135 | mn_now = get_clock (); |
945 | now_floor = mn_now; |
1136 | now_floor = mn_now; |
946 | } |
1137 | } |
947 | |
1138 | |
|
|
1139 | # if EV_PERIODICS |
948 | periodics_reschedule (EV_A); |
1140 | periodics_reschedule (EV_A); |
|
|
1141 | # endif |
949 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1142 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
950 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1143 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
951 | } |
1144 | } |
952 | } |
1145 | } |
953 | else |
1146 | else |
954 | #endif |
1147 | #endif |
955 | { |
1148 | { |
956 | rt_now = ev_time (); |
1149 | ev_rt_now = ev_time (); |
957 | |
1150 | |
958 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1151 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
959 | { |
1152 | { |
|
|
1153 | #if EV_PERIODICS |
960 | periodics_reschedule (EV_A); |
1154 | periodics_reschedule (EV_A); |
|
|
1155 | #endif |
961 | |
1156 | |
962 | /* adjust timers. this is easy, as the offset is the same for all */ |
1157 | /* adjust timers. this is easy, as the offset is the same for all */ |
963 | for (i = 0; i < timercnt; ++i) |
1158 | for (i = 0; i < timercnt; ++i) |
964 | ((WT)timers [i])->at += rt_now - mn_now; |
1159 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
965 | } |
1160 | } |
966 | |
1161 | |
967 | mn_now = rt_now; |
1162 | mn_now = ev_rt_now; |
968 | } |
1163 | } |
969 | } |
1164 | } |
970 | |
1165 | |
971 | void |
1166 | void |
972 | ev_ref (EV_P) |
1167 | ev_ref (EV_P) |
… | |
… | |
986 | ev_loop (EV_P_ int flags) |
1181 | ev_loop (EV_P_ int flags) |
987 | { |
1182 | { |
988 | double block; |
1183 | double block; |
989 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1184 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
990 | |
1185 | |
991 | do |
1186 | while (activecnt) |
992 | { |
1187 | { |
993 | /* queue check watchers (and execute them) */ |
1188 | /* queue check watchers (and execute them) */ |
994 | if (expect_false (preparecnt)) |
1189 | if (expect_false (preparecnt)) |
995 | { |
1190 | { |
996 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1191 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
997 | call_pending (EV_A); |
1192 | call_pending (EV_A); |
998 | } |
1193 | } |
999 | |
1194 | |
|
|
1195 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1196 | if (expect_false (postfork)) |
|
|
1197 | loop_fork (EV_A); |
|
|
1198 | |
1000 | /* update fd-related kernel structures */ |
1199 | /* update fd-related kernel structures */ |
1001 | fd_reify (EV_A); |
1200 | fd_reify (EV_A); |
1002 | |
1201 | |
1003 | /* calculate blocking time */ |
1202 | /* calculate blocking time */ |
1004 | |
1203 | |
1005 | /* we only need this for !monotonic clockor timers, but as we basically |
1204 | /* we only need this for !monotonic clock or timers, but as we basically |
1006 | always have timers, we just calculate it always */ |
1205 | always have timers, we just calculate it always */ |
1007 | #if EV_USE_MONOTONIC |
1206 | #if EV_USE_MONOTONIC |
1008 | if (expect_true (have_monotonic)) |
1207 | if (expect_true (have_monotonic)) |
1009 | time_update_monotonic (EV_A); |
1208 | time_update_monotonic (EV_A); |
1010 | else |
1209 | else |
1011 | #endif |
1210 | #endif |
1012 | { |
1211 | { |
1013 | rt_now = ev_time (); |
1212 | ev_rt_now = ev_time (); |
1014 | mn_now = rt_now; |
1213 | mn_now = ev_rt_now; |
1015 | } |
1214 | } |
1016 | |
1215 | |
1017 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1216 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1018 | block = 0.; |
1217 | block = 0.; |
1019 | else |
1218 | else |
… | |
… | |
1024 | { |
1223 | { |
1025 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1224 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1026 | if (block > to) block = to; |
1225 | if (block > to) block = to; |
1027 | } |
1226 | } |
1028 | |
1227 | |
|
|
1228 | #if EV_PERIODICS |
1029 | if (periodiccnt) |
1229 | if (periodiccnt) |
1030 | { |
1230 | { |
1031 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1231 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1032 | if (block > to) block = to; |
1232 | if (block > to) block = to; |
1033 | } |
1233 | } |
|
|
1234 | #endif |
1034 | |
1235 | |
1035 | if (block < 0.) block = 0.; |
1236 | if (block < 0.) block = 0.; |
1036 | } |
1237 | } |
1037 | |
1238 | |
1038 | method_poll (EV_A_ block); |
1239 | method_poll (EV_A_ block); |
1039 | |
1240 | |
1040 | /* update rt_now, do magic */ |
1241 | /* update ev_rt_now, do magic */ |
1041 | time_update (EV_A); |
1242 | time_update (EV_A); |
1042 | |
1243 | |
1043 | /* queue pending timers and reschedule them */ |
1244 | /* queue pending timers and reschedule them */ |
1044 | timers_reify (EV_A); /* relative timers called last */ |
1245 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1246 | #if EV_PERIODICS |
1045 | periodics_reify (EV_A); /* absolute timers called first */ |
1247 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1248 | #endif |
1046 | |
1249 | |
1047 | /* queue idle watchers unless io or timers are pending */ |
1250 | /* queue idle watchers unless io or timers are pending */ |
1048 | if (!pendingcnt) |
1251 | if (idlecnt && !any_pending (EV_A)) |
1049 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1252 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1050 | |
1253 | |
1051 | /* queue check watchers, to be executed first */ |
1254 | /* queue check watchers, to be executed first */ |
1052 | if (checkcnt) |
1255 | if (checkcnt) |
1053 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1256 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1054 | |
1257 | |
1055 | call_pending (EV_A); |
1258 | call_pending (EV_A); |
|
|
1259 | |
|
|
1260 | if (loop_done) |
|
|
1261 | break; |
1056 | } |
1262 | } |
1057 | while (activecnt && !loop_done); |
|
|
1058 | |
1263 | |
1059 | if (loop_done != 2) |
1264 | if (loop_done != 2) |
1060 | loop_done = 0; |
1265 | loop_done = 0; |
1061 | } |
1266 | } |
1062 | |
1267 | |
… | |
… | |
1128 | return; |
1333 | return; |
1129 | |
1334 | |
1130 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1335 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1131 | |
1336 | |
1132 | ev_start (EV_A_ (W)w, 1); |
1337 | ev_start (EV_A_ (W)w, 1); |
1133 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1338 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1134 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1339 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1135 | |
1340 | |
1136 | fd_change (EV_A_ fd); |
1341 | fd_change (EV_A_ fd); |
1137 | } |
1342 | } |
1138 | |
1343 | |
… | |
… | |
1141 | { |
1346 | { |
1142 | ev_clear_pending (EV_A_ (W)w); |
1347 | ev_clear_pending (EV_A_ (W)w); |
1143 | if (!ev_is_active (w)) |
1348 | if (!ev_is_active (w)) |
1144 | return; |
1349 | return; |
1145 | |
1350 | |
|
|
1351 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1352 | |
1146 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1353 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1147 | ev_stop (EV_A_ (W)w); |
1354 | ev_stop (EV_A_ (W)w); |
1148 | |
1355 | |
1149 | fd_change (EV_A_ w->fd); |
1356 | fd_change (EV_A_ w->fd); |
1150 | } |
1357 | } |
… | |
… | |
1158 | ((WT)w)->at += mn_now; |
1365 | ((WT)w)->at += mn_now; |
1159 | |
1366 | |
1160 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1367 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1161 | |
1368 | |
1162 | ev_start (EV_A_ (W)w, ++timercnt); |
1369 | ev_start (EV_A_ (W)w, ++timercnt); |
1163 | array_needsize (timers, timermax, timercnt, ); |
1370 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1164 | timers [timercnt - 1] = w; |
1371 | timers [timercnt - 1] = w; |
1165 | upheap ((WT *)timers, timercnt - 1); |
1372 | upheap ((WT *)timers, timercnt - 1); |
1166 | |
1373 | |
1167 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1374 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1168 | } |
1375 | } |
… | |
… | |
1177 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1384 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1178 | |
1385 | |
1179 | if (((W)w)->active < timercnt--) |
1386 | if (((W)w)->active < timercnt--) |
1180 | { |
1387 | { |
1181 | timers [((W)w)->active - 1] = timers [timercnt]; |
1388 | timers [((W)w)->active - 1] = timers [timercnt]; |
1182 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1389 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1183 | } |
1390 | } |
1184 | |
1391 | |
1185 | ((WT)w)->at = w->repeat; |
1392 | ((WT)w)->at -= mn_now; |
1186 | |
1393 | |
1187 | ev_stop (EV_A_ (W)w); |
1394 | ev_stop (EV_A_ (W)w); |
1188 | } |
1395 | } |
1189 | |
1396 | |
1190 | void |
1397 | void |
… | |
… | |
1193 | if (ev_is_active (w)) |
1400 | if (ev_is_active (w)) |
1194 | { |
1401 | { |
1195 | if (w->repeat) |
1402 | if (w->repeat) |
1196 | { |
1403 | { |
1197 | ((WT)w)->at = mn_now + w->repeat; |
1404 | ((WT)w)->at = mn_now + w->repeat; |
1198 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1405 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1199 | } |
1406 | } |
1200 | else |
1407 | else |
1201 | ev_timer_stop (EV_A_ w); |
1408 | ev_timer_stop (EV_A_ w); |
1202 | } |
1409 | } |
1203 | else if (w->repeat) |
1410 | else if (w->repeat) |
|
|
1411 | { |
|
|
1412 | w->at = w->repeat; |
1204 | ev_timer_start (EV_A_ w); |
1413 | ev_timer_start (EV_A_ w); |
|
|
1414 | } |
1205 | } |
1415 | } |
1206 | |
1416 | |
|
|
1417 | #if EV_PERIODICS |
1207 | void |
1418 | void |
1208 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1419 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1209 | { |
1420 | { |
1210 | if (ev_is_active (w)) |
1421 | if (ev_is_active (w)) |
1211 | return; |
1422 | return; |
1212 | |
1423 | |
|
|
1424 | if (w->reschedule_cb) |
|
|
1425 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1426 | else if (w->interval) |
|
|
1427 | { |
1213 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1428 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1214 | |
|
|
1215 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1429 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1216 | if (w->interval) |
|
|
1217 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1430 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1431 | } |
1218 | |
1432 | |
1219 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1433 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1220 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1434 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1221 | periodics [periodiccnt - 1] = w; |
1435 | periodics [periodiccnt - 1] = w; |
1222 | upheap ((WT *)periodics, periodiccnt - 1); |
1436 | upheap ((WT *)periodics, periodiccnt - 1); |
1223 | |
1437 | |
1224 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1438 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1225 | } |
1439 | } |
… | |
… | |
1234 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1448 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1235 | |
1449 | |
1236 | if (((W)w)->active < periodiccnt--) |
1450 | if (((W)w)->active < periodiccnt--) |
1237 | { |
1451 | { |
1238 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1452 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1239 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1453 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1240 | } |
1454 | } |
1241 | |
1455 | |
1242 | ev_stop (EV_A_ (W)w); |
1456 | ev_stop (EV_A_ (W)w); |
1243 | } |
1457 | } |
1244 | |
1458 | |
1245 | void |
1459 | void |
|
|
1460 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1461 | { |
|
|
1462 | /* TODO: use adjustheap and recalculation */ |
|
|
1463 | ev_periodic_stop (EV_A_ w); |
|
|
1464 | ev_periodic_start (EV_A_ w); |
|
|
1465 | } |
|
|
1466 | #endif |
|
|
1467 | |
|
|
1468 | void |
1246 | ev_idle_start (EV_P_ struct ev_idle *w) |
1469 | ev_idle_start (EV_P_ struct ev_idle *w) |
1247 | { |
1470 | { |
1248 | if (ev_is_active (w)) |
1471 | if (ev_is_active (w)) |
1249 | return; |
1472 | return; |
1250 | |
1473 | |
1251 | ev_start (EV_A_ (W)w, ++idlecnt); |
1474 | ev_start (EV_A_ (W)w, ++idlecnt); |
1252 | array_needsize (idles, idlemax, idlecnt, ); |
1475 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1253 | idles [idlecnt - 1] = w; |
1476 | idles [idlecnt - 1] = w; |
1254 | } |
1477 | } |
1255 | |
1478 | |
1256 | void |
1479 | void |
1257 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1480 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1258 | { |
1481 | { |
1259 | ev_clear_pending (EV_A_ (W)w); |
1482 | ev_clear_pending (EV_A_ (W)w); |
1260 | if (ev_is_active (w)) |
1483 | if (!ev_is_active (w)) |
1261 | return; |
1484 | return; |
1262 | |
1485 | |
1263 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1486 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1264 | ev_stop (EV_A_ (W)w); |
1487 | ev_stop (EV_A_ (W)w); |
1265 | } |
1488 | } |
… | |
… | |
1269 | { |
1492 | { |
1270 | if (ev_is_active (w)) |
1493 | if (ev_is_active (w)) |
1271 | return; |
1494 | return; |
1272 | |
1495 | |
1273 | ev_start (EV_A_ (W)w, ++preparecnt); |
1496 | ev_start (EV_A_ (W)w, ++preparecnt); |
1274 | array_needsize (prepares, preparemax, preparecnt, ); |
1497 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1275 | prepares [preparecnt - 1] = w; |
1498 | prepares [preparecnt - 1] = w; |
1276 | } |
1499 | } |
1277 | |
1500 | |
1278 | void |
1501 | void |
1279 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1502 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1280 | { |
1503 | { |
1281 | ev_clear_pending (EV_A_ (W)w); |
1504 | ev_clear_pending (EV_A_ (W)w); |
1282 | if (ev_is_active (w)) |
1505 | if (!ev_is_active (w)) |
1283 | return; |
1506 | return; |
1284 | |
1507 | |
1285 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1508 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1286 | ev_stop (EV_A_ (W)w); |
1509 | ev_stop (EV_A_ (W)w); |
1287 | } |
1510 | } |
… | |
… | |
1291 | { |
1514 | { |
1292 | if (ev_is_active (w)) |
1515 | if (ev_is_active (w)) |
1293 | return; |
1516 | return; |
1294 | |
1517 | |
1295 | ev_start (EV_A_ (W)w, ++checkcnt); |
1518 | ev_start (EV_A_ (W)w, ++checkcnt); |
1296 | array_needsize (checks, checkmax, checkcnt, ); |
1519 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1297 | checks [checkcnt - 1] = w; |
1520 | checks [checkcnt - 1] = w; |
1298 | } |
1521 | } |
1299 | |
1522 | |
1300 | void |
1523 | void |
1301 | ev_check_stop (EV_P_ struct ev_check *w) |
1524 | ev_check_stop (EV_P_ struct ev_check *w) |
1302 | { |
1525 | { |
1303 | ev_clear_pending (EV_A_ (W)w); |
1526 | ev_clear_pending (EV_A_ (W)w); |
1304 | if (ev_is_active (w)) |
1527 | if (!ev_is_active (w)) |
1305 | return; |
1528 | return; |
1306 | |
1529 | |
1307 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1530 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1308 | ev_stop (EV_A_ (W)w); |
1531 | ev_stop (EV_A_ (W)w); |
1309 | } |
1532 | } |
… | |
… | |
1314 | |
1537 | |
1315 | void |
1538 | void |
1316 | ev_signal_start (EV_P_ struct ev_signal *w) |
1539 | ev_signal_start (EV_P_ struct ev_signal *w) |
1317 | { |
1540 | { |
1318 | #if EV_MULTIPLICITY |
1541 | #if EV_MULTIPLICITY |
1319 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1542 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1320 | #endif |
1543 | #endif |
1321 | if (ev_is_active (w)) |
1544 | if (ev_is_active (w)) |
1322 | return; |
1545 | return; |
1323 | |
1546 | |
1324 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1547 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1325 | |
1548 | |
1326 | ev_start (EV_A_ (W)w, 1); |
1549 | ev_start (EV_A_ (W)w, 1); |
1327 | array_needsize (signals, signalmax, w->signum, signals_init); |
1550 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1328 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1551 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1329 | |
1552 | |
1330 | if (!((WL)w)->next) |
1553 | if (!((WL)w)->next) |
1331 | { |
1554 | { |
1332 | #if WIN32 |
1555 | #if _WIN32 |
1333 | signal (w->signum, sighandler); |
1556 | signal (w->signum, sighandler); |
1334 | #else |
1557 | #else |
1335 | struct sigaction sa; |
1558 | struct sigaction sa; |
1336 | sa.sa_handler = sighandler; |
1559 | sa.sa_handler = sighandler; |
1337 | sigfillset (&sa.sa_mask); |
1560 | sigfillset (&sa.sa_mask); |
… | |
… | |
1357 | |
1580 | |
1358 | void |
1581 | void |
1359 | ev_child_start (EV_P_ struct ev_child *w) |
1582 | ev_child_start (EV_P_ struct ev_child *w) |
1360 | { |
1583 | { |
1361 | #if EV_MULTIPLICITY |
1584 | #if EV_MULTIPLICITY |
1362 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1585 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1363 | #endif |
1586 | #endif |
1364 | if (ev_is_active (w)) |
1587 | if (ev_is_active (w)) |
1365 | return; |
1588 | return; |
1366 | |
1589 | |
1367 | ev_start (EV_A_ (W)w, 1); |
1590 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1370 | |
1593 | |
1371 | void |
1594 | void |
1372 | ev_child_stop (EV_P_ struct ev_child *w) |
1595 | ev_child_stop (EV_P_ struct ev_child *w) |
1373 | { |
1596 | { |
1374 | ev_clear_pending (EV_A_ (W)w); |
1597 | ev_clear_pending (EV_A_ (W)w); |
1375 | if (ev_is_active (w)) |
1598 | if (!ev_is_active (w)) |
1376 | return; |
1599 | return; |
1377 | |
1600 | |
1378 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1601 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1379 | ev_stop (EV_A_ (W)w); |
1602 | ev_stop (EV_A_ (W)w); |
1380 | } |
1603 | } |
… | |
… | |
1395 | void (*cb)(int revents, void *arg) = once->cb; |
1618 | void (*cb)(int revents, void *arg) = once->cb; |
1396 | void *arg = once->arg; |
1619 | void *arg = once->arg; |
1397 | |
1620 | |
1398 | ev_io_stop (EV_A_ &once->io); |
1621 | ev_io_stop (EV_A_ &once->io); |
1399 | ev_timer_stop (EV_A_ &once->to); |
1622 | ev_timer_stop (EV_A_ &once->to); |
1400 | free (once); |
1623 | ev_free (once); |
1401 | |
1624 | |
1402 | cb (revents, arg); |
1625 | cb (revents, arg); |
1403 | } |
1626 | } |
1404 | |
1627 | |
1405 | static void |
1628 | static void |
… | |
… | |
1415 | } |
1638 | } |
1416 | |
1639 | |
1417 | void |
1640 | void |
1418 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1641 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1419 | { |
1642 | { |
1420 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1643 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1421 | |
1644 | |
1422 | if (!once) |
1645 | if (!once) |
1423 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1646 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1424 | else |
1647 | else |
1425 | { |
1648 | { |
1426 | once->cb = cb; |
1649 | once->cb = cb; |
1427 | once->arg = arg; |
1650 | once->arg = arg; |
1428 | |
1651 | |
1429 | ev_watcher_init (&once->io, once_cb_io); |
1652 | ev_init (&once->io, once_cb_io); |
1430 | if (fd >= 0) |
1653 | if (fd >= 0) |
1431 | { |
1654 | { |
1432 | ev_io_set (&once->io, fd, events); |
1655 | ev_io_set (&once->io, fd, events); |
1433 | ev_io_start (EV_A_ &once->io); |
1656 | ev_io_start (EV_A_ &once->io); |
1434 | } |
1657 | } |
1435 | |
1658 | |
1436 | ev_watcher_init (&once->to, once_cb_to); |
1659 | ev_init (&once->to, once_cb_to); |
1437 | if (timeout >= 0.) |
1660 | if (timeout >= 0.) |
1438 | { |
1661 | { |
1439 | ev_timer_set (&once->to, timeout, 0.); |
1662 | ev_timer_set (&once->to, timeout, 0.); |
1440 | ev_timer_start (EV_A_ &once->to); |
1663 | ev_timer_start (EV_A_ &once->to); |
1441 | } |
1664 | } |
1442 | } |
1665 | } |
1443 | } |
1666 | } |
1444 | |
1667 | |
|
|
1668 | #ifdef __cplusplus |
|
|
1669 | } |
|
|
1670 | #endif |
|
|
1671 | |