1 | /* |
1 | /* |
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2 | * libev event processing core, watcher management |
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3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are |
8 | * modification, are permitted provided that the following conditions are |
… | |
… | |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (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 |
27 | * 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. |
28 | */ |
30 | */ |
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31 | #if EV_USE_CONFIG_H |
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32 | # include "config.h" |
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33 | #endif |
29 | |
34 | |
30 | #include <math.h> |
35 | #include <math.h> |
31 | #include <stdlib.h> |
36 | #include <stdlib.h> |
32 | #include <unistd.h> |
37 | #include <unistd.h> |
33 | #include <fcntl.h> |
38 | #include <fcntl.h> |
… | |
… | |
41 | #include <sys/types.h> |
46 | #include <sys/types.h> |
42 | #include <sys/wait.h> |
47 | #include <sys/wait.h> |
43 | #include <sys/time.h> |
48 | #include <sys/time.h> |
44 | #include <time.h> |
49 | #include <time.h> |
45 | |
50 | |
46 | #ifndef HAVE_MONOTONIC |
51 | #ifndef EV_USE_MONOTONIC |
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52 | # define EV_USE_MONOTONIC 1 |
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53 | #endif |
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54 | |
47 | # ifdef CLOCK_MONOTONIC |
55 | #ifndef CLOCK_MONOTONIC |
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56 | # undef EV_USE_MONOTONIC |
48 | # define HAVE_MONOTONIC 1 |
57 | # define EV_USE_MONOTONIC 0 |
49 | # endif |
58 | #endif |
50 | #endif |
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51 | |
59 | |
52 | #ifndef HAVE_SELECT |
60 | #ifndef EV_USE_SELECT |
53 | # define HAVE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
54 | #endif |
62 | #endif |
55 | |
63 | |
56 | #ifndef HAVE_EPOLL |
64 | #ifndef EV_USE_EPOLL |
57 | # define HAVE_EPOLL 0 |
65 | # define EV_USE_EPOLL 0 |
58 | #endif |
66 | #endif |
59 | |
67 | |
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68 | #ifndef CLOCK_REALTIME |
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69 | # define EV_USE_REALTIME 0 |
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70 | #endif |
60 | #ifndef HAVE_REALTIME |
71 | #ifndef EV_USE_REALTIME |
61 | # define HAVE_REALTIME 1 /* posix requirement, but might be slower */ |
72 | # define EV_USE_REALTIME 1 /* posix requirement, but might be slower */ |
62 | #endif |
73 | #endif |
63 | |
74 | |
64 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
75 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
65 | #define MAX_BLOCKTIME 60. |
76 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detetc time jumps) */ |
66 | #define PID_HASHSIZE 16 /* size of pid hahs table, must be power of two */ |
77 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
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78 | #define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
67 | |
79 | |
68 | #include "ev.h" |
80 | #include "ev.h" |
69 | |
81 | |
70 | typedef struct ev_watcher *W; |
82 | typedef struct ev_watcher *W; |
71 | typedef struct ev_watcher_list *WL; |
83 | typedef struct ev_watcher_list *WL; |
… | |
… | |
84 | /*****************************************************************************/ |
96 | /*****************************************************************************/ |
85 | |
97 | |
86 | ev_tstamp |
98 | ev_tstamp |
87 | ev_time (void) |
99 | ev_time (void) |
88 | { |
100 | { |
89 | #if HAVE_REALTIME |
101 | #if EV_USE_REALTIME |
90 | struct timespec ts; |
102 | struct timespec ts; |
91 | clock_gettime (CLOCK_REALTIME, &ts); |
103 | clock_gettime (CLOCK_REALTIME, &ts); |
92 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
104 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
93 | #else |
105 | #else |
94 | struct timeval tv; |
106 | struct timeval tv; |
… | |
… | |
98 | } |
110 | } |
99 | |
111 | |
100 | static ev_tstamp |
112 | static ev_tstamp |
101 | get_clock (void) |
113 | get_clock (void) |
102 | { |
114 | { |
103 | #if HAVE_MONOTONIC |
115 | #if EV_USE_MONOTONIC |
104 | if (have_monotonic) |
116 | if (have_monotonic) |
105 | { |
117 | { |
106 | struct timespec ts; |
118 | struct timespec ts; |
107 | clock_gettime (CLOCK_MONOTONIC, &ts); |
119 | clock_gettime (CLOCK_MONOTONIC, &ts); |
108 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
120 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
… | |
… | |
110 | #endif |
122 | #endif |
111 | |
123 | |
112 | return ev_time (); |
124 | return ev_time (); |
113 | } |
125 | } |
114 | |
126 | |
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127 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
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128 | |
115 | #define array_needsize(base,cur,cnt,init) \ |
129 | #define array_needsize(base,cur,cnt,init) \ |
116 | if ((cnt) > cur) \ |
130 | if ((cnt) > cur) \ |
117 | { \ |
131 | { \ |
118 | int newcnt = cur ? cur << 1 : 16; \ |
132 | int newcnt = cur; \ |
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133 | do \ |
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134 | { \ |
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135 | newcnt = array_roundsize (base, newcnt << 1); \ |
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136 | } \ |
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137 | while ((cnt) > newcnt); \ |
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138 | \ |
119 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
139 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
120 | init (base + cur, newcnt - cur); \ |
140 | init (base + cur, newcnt - cur); \ |
121 | cur = newcnt; \ |
141 | cur = newcnt; \ |
122 | } |
142 | } |
123 | |
143 | |
124 | /*****************************************************************************/ |
144 | /*****************************************************************************/ |
125 | |
145 | |
126 | typedef struct |
146 | typedef struct |
127 | { |
147 | { |
128 | struct ev_io *head; |
148 | struct ev_io *head; |
129 | unsigned char wev, rev; /* want, received event set */ |
149 | unsigned char events; |
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150 | unsigned char reify; |
130 | } ANFD; |
151 | } ANFD; |
131 | |
152 | |
132 | static ANFD *anfds; |
153 | static ANFD *anfds; |
133 | static int anfdmax; |
154 | static int anfdmax; |
134 | |
155 | |
135 | static int *fdchanges; |
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136 | static int fdchangemax, fdchangecnt; |
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137 | |
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138 | static void |
156 | static void |
139 | anfds_init (ANFD *base, int count) |
157 | anfds_init (ANFD *base, int count) |
140 | { |
158 | { |
141 | while (count--) |
159 | while (count--) |
142 | { |
160 | { |
143 | base->head = 0; |
161 | base->head = 0; |
144 | base->wev = base->rev = EV_NONE; |
162 | base->events = EV_NONE; |
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163 | base->reify = 0; |
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164 | |
145 | ++base; |
165 | ++base; |
146 | } |
166 | } |
147 | } |
167 | } |
148 | |
168 | |
149 | typedef struct |
169 | typedef struct |
… | |
… | |
156 | static int pendingmax, pendingcnt; |
176 | static int pendingmax, pendingcnt; |
157 | |
177 | |
158 | static void |
178 | static void |
159 | event (W w, int events) |
179 | event (W w, int events) |
160 | { |
180 | { |
161 | if (w->active) |
181 | if (w->pending) |
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182 | { |
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183 | pendings [w->pending - 1].events |= events; |
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184 | return; |
162 | { |
185 | } |
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186 | |
163 | w->pending = ++pendingcnt; |
187 | w->pending = ++pendingcnt; |
164 | array_needsize (pendings, pendingmax, pendingcnt, ); |
188 | array_needsize (pendings, pendingmax, pendingcnt, ); |
165 | pendings [pendingcnt - 1].w = w; |
189 | pendings [pendingcnt - 1].w = w; |
166 | pendings [pendingcnt - 1].events = events; |
190 | pendings [pendingcnt - 1].events = events; |
167 | } |
191 | } |
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192 | |
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193 | static void |
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194 | queue_events (W *events, int eventcnt, int type) |
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195 | { |
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196 | int i; |
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197 | |
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198 | for (i = 0; i < eventcnt; ++i) |
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199 | event (events [i], type); |
168 | } |
200 | } |
169 | |
201 | |
170 | static void |
202 | static void |
171 | fd_event (int fd, int events) |
203 | fd_event (int fd, int events) |
172 | { |
204 | { |
… | |
… | |
180 | if (ev) |
212 | if (ev) |
181 | event ((W)w, ev); |
213 | event ((W)w, ev); |
182 | } |
214 | } |
183 | } |
215 | } |
184 | |
216 | |
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217 | /*****************************************************************************/ |
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218 | |
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219 | static int *fdchanges; |
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220 | static int fdchangemax, fdchangecnt; |
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221 | |
185 | static void |
222 | static void |
186 | queue_events (W *events, int eventcnt, int type) |
223 | fd_reify (void) |
187 | { |
224 | { |
188 | int i; |
225 | int i; |
189 | |
226 | |
190 | for (i = 0; i < eventcnt; ++i) |
227 | for (i = 0; i < fdchangecnt; ++i) |
191 | event (events [i], type); |
228 | { |
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229 | int fd = fdchanges [i]; |
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230 | ANFD *anfd = anfds + fd; |
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231 | struct ev_io *w; |
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232 | |
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233 | int events = 0; |
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234 | |
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235 | for (w = anfd->head; w; w = w->next) |
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236 | events |= w->events; |
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237 | |
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238 | anfd->reify = 0; |
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239 | |
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240 | if (anfd->events != events) |
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241 | { |
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242 | method_modify (fd, anfd->events, events); |
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243 | anfd->events = events; |
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244 | } |
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245 | } |
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246 | |
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247 | fdchangecnt = 0; |
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248 | } |
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249 | |
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250 | static void |
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251 | fd_change (int fd) |
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252 | { |
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253 | if (anfds [fd].reify || fdchangecnt < 0) |
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254 | return; |
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255 | |
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256 | anfds [fd].reify = 1; |
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257 | |
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258 | ++fdchangecnt; |
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259 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
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260 | fdchanges [fdchangecnt - 1] = fd; |
192 | } |
261 | } |
193 | |
262 | |
194 | /* called on EBADF to verify fds */ |
263 | /* called on EBADF to verify fds */ |
195 | static void |
264 | static void |
196 | fd_recheck () |
265 | fd_recheck (void) |
197 | { |
266 | { |
198 | int fd; |
267 | int fd; |
199 | |
268 | |
200 | for (fd = 0; fd < anfdmax; ++fd) |
269 | for (fd = 0; fd < anfdmax; ++fd) |
201 | if (anfds [fd].wev) |
270 | if (anfds [fd].events) |
202 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
271 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
203 | while (anfds [fd].head) |
272 | while (anfds [fd].head) |
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273 | { |
204 | evio_stop (anfds [fd].head); |
274 | ev_io_stop (anfds [fd].head); |
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275 | event ((W)anfds [fd].head, EV_ERROR | EV_READ | EV_WRITE); |
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276 | } |
205 | } |
277 | } |
206 | |
278 | |
207 | /*****************************************************************************/ |
279 | /*****************************************************************************/ |
208 | |
280 | |
209 | static struct ev_timer **timers; |
281 | static struct ev_timer **timers; |
… | |
… | |
256 | /*****************************************************************************/ |
328 | /*****************************************************************************/ |
257 | |
329 | |
258 | typedef struct |
330 | typedef struct |
259 | { |
331 | { |
260 | struct ev_signal *head; |
332 | struct ev_signal *head; |
261 | sig_atomic_t gotsig; |
333 | sig_atomic_t volatile gotsig; |
262 | } ANSIG; |
334 | } ANSIG; |
263 | |
335 | |
264 | static ANSIG *signals; |
336 | static ANSIG *signals; |
265 | static int signalmax; |
337 | static int signalmax; |
266 | |
338 | |
267 | static int sigpipe [2]; |
339 | static int sigpipe [2]; |
268 | static sig_atomic_t gotsig; |
340 | static sig_atomic_t volatile gotsig; |
269 | static struct ev_io sigev; |
341 | static struct ev_io sigev; |
270 | |
342 | |
271 | static void |
343 | static void |
272 | signals_init (ANSIG *base, int count) |
344 | signals_init (ANSIG *base, int count) |
273 | { |
345 | { |
274 | while (count--) |
346 | while (count--) |
275 | { |
347 | { |
276 | base->head = 0; |
348 | base->head = 0; |
277 | base->gotsig = 0; |
349 | base->gotsig = 0; |
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350 | |
278 | ++base; |
351 | ++base; |
279 | } |
352 | } |
280 | } |
353 | } |
281 | |
354 | |
282 | static void |
355 | static void |
… | |
… | |
285 | signals [signum - 1].gotsig = 1; |
358 | signals [signum - 1].gotsig = 1; |
286 | |
359 | |
287 | if (!gotsig) |
360 | if (!gotsig) |
288 | { |
361 | { |
289 | gotsig = 1; |
362 | gotsig = 1; |
290 | write (sigpipe [1], &gotsig, 1); |
363 | write (sigpipe [1], &signum, 1); |
291 | } |
364 | } |
292 | } |
365 | } |
293 | |
366 | |
294 | static void |
367 | static void |
295 | sigcb (struct ev_io *iow, int revents) |
368 | sigcb (struct ev_io *iow, int revents) |
296 | { |
369 | { |
297 | struct ev_signal *w; |
370 | struct ev_signal *w; |
298 | int sig; |
371 | int sig; |
299 | |
372 | |
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373 | read (sigpipe [0], &revents, 1); |
300 | gotsig = 0; |
374 | gotsig = 0; |
301 | read (sigpipe [0], &revents, 1); |
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302 | |
375 | |
303 | for (sig = signalmax; sig--; ) |
376 | for (sig = signalmax; sig--; ) |
304 | if (signals [sig].gotsig) |
377 | if (signals [sig].gotsig) |
305 | { |
378 | { |
306 | signals [sig].gotsig = 0; |
379 | signals [sig].gotsig = 0; |
… | |
… | |
318 | |
391 | |
319 | /* rather than sort out wether we really need nb, set it */ |
392 | /* rather than sort out wether we really need nb, set it */ |
320 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
393 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
321 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
394 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
322 | |
395 | |
323 | evio_set (&sigev, sigpipe [0], EV_READ); |
396 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
324 | evio_start (&sigev); |
397 | ev_io_start (&sigev); |
325 | } |
398 | } |
326 | |
399 | |
327 | /*****************************************************************************/ |
400 | /*****************************************************************************/ |
328 | |
401 | |
329 | static struct ev_idle **idles; |
402 | static struct ev_idle **idles; |
… | |
… | |
359 | } |
432 | } |
360 | } |
433 | } |
361 | |
434 | |
362 | /*****************************************************************************/ |
435 | /*****************************************************************************/ |
363 | |
436 | |
364 | #if HAVE_EPOLL |
437 | #if EV_USE_EPOLL |
365 | # include "ev_epoll.c" |
438 | # include "ev_epoll.c" |
366 | #endif |
439 | #endif |
367 | #if HAVE_SELECT |
440 | #if EV_USE_SELECT |
368 | # include "ev_select.c" |
441 | # include "ev_select.c" |
369 | #endif |
442 | #endif |
370 | |
443 | |
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444 | int |
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445 | ev_version_major (void) |
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446 | { |
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447 | return EV_VERSION_MAJOR; |
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448 | } |
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449 | |
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450 | int |
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451 | ev_version_minor (void) |
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452 | { |
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453 | return EV_VERSION_MINOR; |
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454 | } |
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455 | |
371 | int ev_init (int flags) |
456 | int ev_init (int flags) |
372 | { |
457 | { |
373 | #if HAVE_MONOTONIC |
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374 | { |
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375 | struct timespec ts; |
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376 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
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377 | have_monotonic = 1; |
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378 | } |
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379 | #endif |
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380 | |
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381 | ev_now = ev_time (); |
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382 | now = get_clock (); |
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383 | diff = ev_now - now; |
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384 | |
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385 | if (pipe (sigpipe)) |
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386 | return 0; |
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387 | |
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388 | ev_method = EVMETHOD_NONE; |
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389 | #if HAVE_EPOLL |
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390 | if (ev_method == EVMETHOD_NONE) epoll_init (flags); |
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391 | #endif |
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392 | #if HAVE_SELECT |
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393 | if (ev_method == EVMETHOD_NONE) select_init (flags); |
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394 | #endif |
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395 | |
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396 | if (ev_method) |
458 | if (!ev_method) |
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459 | { |
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460 | #if EV_USE_MONOTONIC |
397 | { |
461 | { |
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462 | struct timespec ts; |
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463 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
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464 | have_monotonic = 1; |
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465 | } |
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466 | #endif |
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467 | |
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468 | ev_now = ev_time (); |
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469 | now = get_clock (); |
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470 | diff = ev_now - now; |
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471 | |
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472 | if (pipe (sigpipe)) |
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473 | return 0; |
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474 | |
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475 | ev_method = EVMETHOD_NONE; |
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476 | #if EV_USE_EPOLL |
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477 | if (ev_method == EVMETHOD_NONE) epoll_init (flags); |
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478 | #endif |
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479 | #if EV_USE_SELECT |
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480 | if (ev_method == EVMETHOD_NONE) select_init (flags); |
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481 | #endif |
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482 | |
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483 | if (ev_method) |
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484 | { |
398 | evw_init (&sigev, sigcb); |
485 | ev_watcher_init (&sigev, sigcb); |
399 | siginit (); |
486 | siginit (); |
400 | |
487 | |
401 | evsignal_init (&childev, childcb, SIGCHLD); |
488 | ev_signal_init (&childev, childcb, SIGCHLD); |
402 | evsignal_start (&childev); |
489 | ev_signal_start (&childev); |
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490 | } |
403 | } |
491 | } |
404 | |
492 | |
405 | return ev_method; |
493 | return ev_method; |
406 | } |
494 | } |
407 | |
495 | |
408 | /*****************************************************************************/ |
496 | /*****************************************************************************/ |
409 | |
497 | |
410 | void ev_prefork (void) |
498 | void |
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499 | ev_fork_prepare (void) |
411 | { |
500 | { |
412 | /* nop */ |
501 | /* nop */ |
413 | } |
502 | } |
414 | |
503 | |
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504 | void |
415 | void ev_postfork_parent (void) |
505 | ev_fork_parent (void) |
416 | { |
506 | { |
417 | /* nop */ |
507 | /* nop */ |
418 | } |
508 | } |
419 | |
509 | |
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510 | void |
420 | void ev_postfork_child (void) |
511 | ev_fork_child (void) |
421 | { |
512 | { |
422 | #if HAVE_EPOLL |
513 | #if EV_USE_EPOLL |
423 | if (ev_method == EVMETHOD_EPOLL) |
514 | if (ev_method == EVMETHOD_EPOLL) |
424 | epoll_postfork_child (); |
515 | epoll_postfork_child (); |
425 | #endif |
516 | #endif |
426 | |
517 | |
427 | evio_stop (&sigev); |
518 | ev_io_stop (&sigev); |
428 | close (sigpipe [0]); |
519 | close (sigpipe [0]); |
429 | close (sigpipe [1]); |
520 | close (sigpipe [1]); |
430 | pipe (sigpipe); |
521 | pipe (sigpipe); |
431 | siginit (); |
522 | siginit (); |
432 | } |
523 | } |
433 | |
524 | |
434 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
435 | |
526 | |
436 | static void |
527 | static void |
437 | fd_reify (void) |
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438 | { |
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439 | int i; |
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440 | |
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441 | for (i = 0; i < fdchangecnt; ++i) |
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|
442 | { |
|
|
443 | int fd = fdchanges [i]; |
|
|
444 | ANFD *anfd = anfds + fd; |
|
|
445 | struct ev_io *w; |
|
|
446 | |
|
|
447 | int wev = 0; |
|
|
448 | |
|
|
449 | for (w = anfd->head; w; w = w->next) |
|
|
450 | wev |= w->events; |
|
|
451 | |
|
|
452 | if (anfd->wev != wev) |
|
|
453 | { |
|
|
454 | method_modify (fd, anfd->wev, wev); |
|
|
455 | anfd->wev = wev; |
|
|
456 | } |
|
|
457 | } |
|
|
458 | |
|
|
459 | fdchangecnt = 0; |
|
|
460 | } |
|
|
461 | |
|
|
462 | static void |
|
|
463 | call_pending () |
528 | call_pending (void) |
464 | { |
529 | { |
465 | while (pendingcnt) |
530 | while (pendingcnt) |
466 | { |
531 | { |
467 | ANPENDING *p = pendings + --pendingcnt; |
532 | ANPENDING *p = pendings + --pendingcnt; |
468 | |
533 | |
… | |
… | |
473 | } |
538 | } |
474 | } |
539 | } |
475 | } |
540 | } |
476 | |
541 | |
477 | static void |
542 | static void |
478 | timers_reify () |
543 | timers_reify (void) |
479 | { |
544 | { |
480 | while (timercnt && timers [0]->at <= now) |
545 | while (timercnt && timers [0]->at <= now) |
481 | { |
546 | { |
482 | struct ev_timer *w = timers [0]; |
547 | struct ev_timer *w = timers [0]; |
483 | |
|
|
484 | event ((W)w, EV_TIMEOUT); |
|
|
485 | |
548 | |
486 | /* first reschedule or stop timer */ |
549 | /* first reschedule or stop timer */ |
487 | if (w->repeat) |
550 | if (w->repeat) |
488 | { |
551 | { |
|
|
552 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
489 | w->at = now + w->repeat; |
553 | w->at = now + w->repeat; |
490 | assert (("timer timeout in the past, negative repeat?", w->at > now)); |
|
|
491 | downheap ((WT *)timers, timercnt, 0); |
554 | downheap ((WT *)timers, timercnt, 0); |
492 | } |
555 | } |
493 | else |
556 | else |
494 | evtimer_stop (w); /* nonrepeating: stop timer */ |
557 | ev_timer_stop (w); /* nonrepeating: stop timer */ |
495 | } |
|
|
496 | } |
|
|
497 | |
558 | |
|
|
559 | event ((W)w, EV_TIMEOUT); |
|
|
560 | } |
|
|
561 | } |
|
|
562 | |
498 | static void |
563 | static void |
499 | periodics_reify () |
564 | periodics_reify (void) |
500 | { |
565 | { |
501 | while (periodiccnt && periodics [0]->at <= ev_now) |
566 | while (periodiccnt && periodics [0]->at <= ev_now) |
502 | { |
567 | { |
503 | struct ev_periodic *w = periodics [0]; |
568 | struct ev_periodic *w = periodics [0]; |
504 | |
569 | |
505 | /* first reschedule or stop timer */ |
570 | /* first reschedule or stop timer */ |
506 | if (w->interval) |
571 | if (w->interval) |
507 | { |
572 | { |
508 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
573 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
509 | assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); |
574 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now)); |
510 | downheap ((WT *)periodics, periodiccnt, 0); |
575 | downheap ((WT *)periodics, periodiccnt, 0); |
511 | } |
576 | } |
512 | else |
577 | else |
513 | evperiodic_stop (w); /* nonrepeating: stop timer */ |
578 | ev_periodic_stop (w); /* nonrepeating: stop timer */ |
514 | |
579 | |
515 | event ((W)w, EV_TIMEOUT); |
580 | event ((W)w, EV_PERIODIC); |
516 | } |
581 | } |
517 | } |
582 | } |
518 | |
583 | |
519 | static void |
584 | static void |
520 | periodics_reschedule (ev_tstamp diff) |
585 | periodics_reschedule (ev_tstamp diff) |
… | |
… | |
530 | { |
595 | { |
531 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
596 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
532 | |
597 | |
533 | if (fabs (diff) >= 1e-4) |
598 | if (fabs (diff) >= 1e-4) |
534 | { |
599 | { |
535 | evperiodic_stop (w); |
600 | ev_periodic_stop (w); |
536 | evperiodic_start (w); |
601 | ev_periodic_start (w); |
537 | |
602 | |
538 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
603 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
539 | } |
604 | } |
540 | } |
605 | } |
541 | } |
606 | } |
542 | } |
607 | } |
543 | |
608 | |
544 | static void |
609 | static void |
545 | time_update () |
610 | time_update (void) |
546 | { |
611 | { |
547 | int i; |
612 | int i; |
548 | |
613 | |
549 | ev_now = ev_time (); |
614 | ev_now = ev_time (); |
550 | |
615 | |
… | |
… | |
584 | int ev_loop_done; |
649 | int ev_loop_done; |
585 | |
650 | |
586 | void ev_loop (int flags) |
651 | void ev_loop (int flags) |
587 | { |
652 | { |
588 | double block; |
653 | double block; |
589 | ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; |
654 | ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
590 | |
655 | |
591 | do |
656 | do |
592 | { |
657 | { |
593 | /* queue check watchers (and execute them) */ |
658 | /* queue check watchers (and execute them) */ |
594 | if (preparecnt) |
659 | if (preparecnt) |
… | |
… | |
675 | head = &(*head)->next; |
740 | head = &(*head)->next; |
676 | } |
741 | } |
677 | } |
742 | } |
678 | |
743 | |
679 | static void |
744 | static void |
680 | ev_clear (W w) |
745 | ev_clear_pending (W w) |
681 | { |
746 | { |
682 | if (w->pending) |
747 | if (w->pending) |
683 | { |
748 | { |
684 | pendings [w->pending - 1].w = 0; |
749 | pendings [w->pending - 1].w = 0; |
685 | w->pending = 0; |
750 | w->pending = 0; |
… | |
… | |
699 | } |
764 | } |
700 | |
765 | |
701 | /*****************************************************************************/ |
766 | /*****************************************************************************/ |
702 | |
767 | |
703 | void |
768 | void |
704 | evio_start (struct ev_io *w) |
769 | ev_io_start (struct ev_io *w) |
705 | { |
770 | { |
706 | if (ev_is_active (w)) |
|
|
707 | return; |
|
|
708 | |
|
|
709 | int fd = w->fd; |
771 | int fd = w->fd; |
|
|
772 | |
|
|
773 | if (ev_is_active (w)) |
|
|
774 | return; |
|
|
775 | |
|
|
776 | assert (("ev_io_start called with negative fd", fd >= 0)); |
710 | |
777 | |
711 | ev_start ((W)w, 1); |
778 | ev_start ((W)w, 1); |
712 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
779 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
713 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
780 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
714 | |
781 | |
715 | ++fdchangecnt; |
782 | fd_change (fd); |
716 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
717 | fdchanges [fdchangecnt - 1] = fd; |
|
|
718 | } |
783 | } |
719 | |
784 | |
720 | void |
785 | void |
721 | evio_stop (struct ev_io *w) |
786 | ev_io_stop (struct ev_io *w) |
722 | { |
787 | { |
723 | ev_clear ((W)w); |
788 | ev_clear_pending ((W)w); |
724 | if (!ev_is_active (w)) |
789 | if (!ev_is_active (w)) |
725 | return; |
790 | return; |
726 | |
791 | |
727 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
792 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
728 | ev_stop ((W)w); |
793 | ev_stop ((W)w); |
729 | |
794 | |
730 | ++fdchangecnt; |
795 | fd_change (w->fd); |
731 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
732 | fdchanges [fdchangecnt - 1] = w->fd; |
|
|
733 | } |
796 | } |
734 | |
797 | |
735 | void |
798 | void |
736 | evtimer_start (struct ev_timer *w) |
799 | ev_timer_start (struct ev_timer *w) |
737 | { |
800 | { |
738 | if (ev_is_active (w)) |
801 | if (ev_is_active (w)) |
739 | return; |
802 | return; |
740 | |
803 | |
741 | w->at += now; |
804 | w->at += now; |
742 | |
805 | |
743 | assert (("timer repeat value less than zero not allowed", w->repeat >= 0.)); |
806 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
744 | |
807 | |
745 | ev_start ((W)w, ++timercnt); |
808 | ev_start ((W)w, ++timercnt); |
746 | array_needsize (timers, timermax, timercnt, ); |
809 | array_needsize (timers, timermax, timercnt, ); |
747 | timers [timercnt - 1] = w; |
810 | timers [timercnt - 1] = w; |
748 | upheap ((WT *)timers, timercnt - 1); |
811 | upheap ((WT *)timers, timercnt - 1); |
749 | } |
812 | } |
750 | |
813 | |
751 | void |
814 | void |
752 | evtimer_stop (struct ev_timer *w) |
815 | ev_timer_stop (struct ev_timer *w) |
753 | { |
816 | { |
754 | ev_clear ((W)w); |
817 | ev_clear_pending ((W)w); |
755 | if (!ev_is_active (w)) |
818 | if (!ev_is_active (w)) |
756 | return; |
819 | return; |
757 | |
820 | |
758 | if (w->active < timercnt--) |
821 | if (w->active < timercnt--) |
759 | { |
822 | { |
… | |
… | |
765 | |
828 | |
766 | ev_stop ((W)w); |
829 | ev_stop ((W)w); |
767 | } |
830 | } |
768 | |
831 | |
769 | void |
832 | void |
770 | evtimer_again (struct ev_timer *w) |
833 | ev_timer_again (struct ev_timer *w) |
771 | { |
834 | { |
772 | if (ev_is_active (w)) |
835 | if (ev_is_active (w)) |
773 | { |
836 | { |
774 | if (w->repeat) |
837 | if (w->repeat) |
775 | { |
838 | { |
776 | w->at = now + w->repeat; |
839 | w->at = now + w->repeat; |
777 | downheap ((WT *)timers, timercnt, w->active - 1); |
840 | downheap ((WT *)timers, timercnt, w->active - 1); |
778 | } |
841 | } |
779 | else |
842 | else |
780 | evtimer_stop (w); |
843 | ev_timer_stop (w); |
781 | } |
844 | } |
782 | else if (w->repeat) |
845 | else if (w->repeat) |
783 | evtimer_start (w); |
846 | ev_timer_start (w); |
784 | } |
847 | } |
785 | |
848 | |
786 | void |
849 | void |
787 | evperiodic_start (struct ev_periodic *w) |
850 | ev_periodic_start (struct ev_periodic *w) |
788 | { |
851 | { |
789 | if (ev_is_active (w)) |
852 | if (ev_is_active (w)) |
790 | return; |
853 | return; |
791 | |
854 | |
792 | assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); |
855 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
793 | |
856 | |
794 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
857 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
795 | if (w->interval) |
858 | if (w->interval) |
796 | w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; |
859 | w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; |
797 | |
860 | |
… | |
… | |
800 | periodics [periodiccnt - 1] = w; |
863 | periodics [periodiccnt - 1] = w; |
801 | upheap ((WT *)periodics, periodiccnt - 1); |
864 | upheap ((WT *)periodics, periodiccnt - 1); |
802 | } |
865 | } |
803 | |
866 | |
804 | void |
867 | void |
805 | evperiodic_stop (struct ev_periodic *w) |
868 | ev_periodic_stop (struct ev_periodic *w) |
806 | { |
869 | { |
807 | ev_clear ((W)w); |
870 | ev_clear_pending ((W)w); |
808 | if (!ev_is_active (w)) |
871 | if (!ev_is_active (w)) |
809 | return; |
872 | return; |
810 | |
873 | |
811 | if (w->active < periodiccnt--) |
874 | if (w->active < periodiccnt--) |
812 | { |
875 | { |
… | |
… | |
816 | |
879 | |
817 | ev_stop ((W)w); |
880 | ev_stop ((W)w); |
818 | } |
881 | } |
819 | |
882 | |
820 | void |
883 | void |
821 | evsignal_start (struct ev_signal *w) |
884 | ev_signal_start (struct ev_signal *w) |
822 | { |
885 | { |
823 | if (ev_is_active (w)) |
886 | if (ev_is_active (w)) |
824 | return; |
887 | return; |
|
|
888 | |
|
|
889 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
825 | |
890 | |
826 | ev_start ((W)w, 1); |
891 | ev_start ((W)w, 1); |
827 | array_needsize (signals, signalmax, w->signum, signals_init); |
892 | array_needsize (signals, signalmax, w->signum, signals_init); |
828 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
893 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
829 | |
894 | |
… | |
… | |
836 | sigaction (w->signum, &sa, 0); |
901 | sigaction (w->signum, &sa, 0); |
837 | } |
902 | } |
838 | } |
903 | } |
839 | |
904 | |
840 | void |
905 | void |
841 | evsignal_stop (struct ev_signal *w) |
906 | ev_signal_stop (struct ev_signal *w) |
842 | { |
907 | { |
843 | ev_clear ((W)w); |
908 | ev_clear_pending ((W)w); |
844 | if (!ev_is_active (w)) |
909 | if (!ev_is_active (w)) |
845 | return; |
910 | return; |
846 | |
911 | |
847 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
912 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
848 | ev_stop ((W)w); |
913 | ev_stop ((W)w); |
849 | |
914 | |
850 | if (!signals [w->signum - 1].head) |
915 | if (!signals [w->signum - 1].head) |
851 | signal (w->signum, SIG_DFL); |
916 | signal (w->signum, SIG_DFL); |
852 | } |
917 | } |
853 | |
918 | |
|
|
919 | void |
854 | void evidle_start (struct ev_idle *w) |
920 | ev_idle_start (struct ev_idle *w) |
855 | { |
921 | { |
856 | if (ev_is_active (w)) |
922 | if (ev_is_active (w)) |
857 | return; |
923 | return; |
858 | |
924 | |
859 | ev_start ((W)w, ++idlecnt); |
925 | ev_start ((W)w, ++idlecnt); |
860 | array_needsize (idles, idlemax, idlecnt, ); |
926 | array_needsize (idles, idlemax, idlecnt, ); |
861 | idles [idlecnt - 1] = w; |
927 | idles [idlecnt - 1] = w; |
862 | } |
928 | } |
863 | |
929 | |
|
|
930 | void |
864 | void evidle_stop (struct ev_idle *w) |
931 | ev_idle_stop (struct ev_idle *w) |
865 | { |
932 | { |
866 | ev_clear ((W)w); |
933 | ev_clear_pending ((W)w); |
867 | if (ev_is_active (w)) |
934 | if (ev_is_active (w)) |
868 | return; |
935 | return; |
869 | |
936 | |
870 | idles [w->active - 1] = idles [--idlecnt]; |
937 | idles [w->active - 1] = idles [--idlecnt]; |
871 | ev_stop ((W)w); |
938 | ev_stop ((W)w); |
872 | } |
939 | } |
873 | |
940 | |
|
|
941 | void |
874 | void evprepare_start (struct ev_prepare *w) |
942 | ev_prepare_start (struct ev_prepare *w) |
875 | { |
943 | { |
876 | if (ev_is_active (w)) |
944 | if (ev_is_active (w)) |
877 | return; |
945 | return; |
878 | |
946 | |
879 | ev_start ((W)w, ++preparecnt); |
947 | ev_start ((W)w, ++preparecnt); |
880 | array_needsize (prepares, preparemax, preparecnt, ); |
948 | array_needsize (prepares, preparemax, preparecnt, ); |
881 | prepares [preparecnt - 1] = w; |
949 | prepares [preparecnt - 1] = w; |
882 | } |
950 | } |
883 | |
951 | |
|
|
952 | void |
884 | void evprepare_stop (struct ev_prepare *w) |
953 | ev_prepare_stop (struct ev_prepare *w) |
885 | { |
954 | { |
886 | ev_clear ((W)w); |
955 | ev_clear_pending ((W)w); |
887 | if (ev_is_active (w)) |
956 | if (ev_is_active (w)) |
888 | return; |
957 | return; |
889 | |
958 | |
890 | prepares [w->active - 1] = prepares [--preparecnt]; |
959 | prepares [w->active - 1] = prepares [--preparecnt]; |
891 | ev_stop ((W)w); |
960 | ev_stop ((W)w); |
892 | } |
961 | } |
893 | |
962 | |
|
|
963 | void |
894 | void evcheck_start (struct ev_check *w) |
964 | ev_check_start (struct ev_check *w) |
895 | { |
965 | { |
896 | if (ev_is_active (w)) |
966 | if (ev_is_active (w)) |
897 | return; |
967 | return; |
898 | |
968 | |
899 | ev_start ((W)w, ++checkcnt); |
969 | ev_start ((W)w, ++checkcnt); |
900 | array_needsize (checks, checkmax, checkcnt, ); |
970 | array_needsize (checks, checkmax, checkcnt, ); |
901 | checks [checkcnt - 1] = w; |
971 | checks [checkcnt - 1] = w; |
902 | } |
972 | } |
903 | |
973 | |
|
|
974 | void |
904 | void evcheck_stop (struct ev_check *w) |
975 | ev_check_stop (struct ev_check *w) |
905 | { |
976 | { |
906 | ev_clear ((W)w); |
977 | ev_clear_pending ((W)w); |
907 | if (ev_is_active (w)) |
978 | if (ev_is_active (w)) |
908 | return; |
979 | return; |
909 | |
980 | |
910 | checks [w->active - 1] = checks [--checkcnt]; |
981 | checks [w->active - 1] = checks [--checkcnt]; |
911 | ev_stop ((W)w); |
982 | ev_stop ((W)w); |
912 | } |
983 | } |
913 | |
984 | |
|
|
985 | void |
914 | void evchild_start (struct ev_child *w) |
986 | ev_child_start (struct ev_child *w) |
915 | { |
987 | { |
916 | if (ev_is_active (w)) |
988 | if (ev_is_active (w)) |
917 | return; |
989 | return; |
918 | |
990 | |
919 | ev_start ((W)w, 1); |
991 | ev_start ((W)w, 1); |
920 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
992 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
921 | } |
993 | } |
922 | |
994 | |
|
|
995 | void |
923 | void evchild_stop (struct ev_child *w) |
996 | ev_child_stop (struct ev_child *w) |
924 | { |
997 | { |
925 | ev_clear ((W)w); |
998 | ev_clear_pending ((W)w); |
926 | if (ev_is_active (w)) |
999 | if (ev_is_active (w)) |
927 | return; |
1000 | return; |
928 | |
1001 | |
929 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1002 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
930 | ev_stop ((W)w); |
1003 | ev_stop ((W)w); |
… | |
… | |
944 | once_cb (struct ev_once *once, int revents) |
1017 | once_cb (struct ev_once *once, int revents) |
945 | { |
1018 | { |
946 | void (*cb)(int revents, void *arg) = once->cb; |
1019 | void (*cb)(int revents, void *arg) = once->cb; |
947 | void *arg = once->arg; |
1020 | void *arg = once->arg; |
948 | |
1021 | |
949 | evio_stop (&once->io); |
1022 | ev_io_stop (&once->io); |
950 | evtimer_stop (&once->to); |
1023 | ev_timer_stop (&once->to); |
951 | free (once); |
1024 | free (once); |
952 | |
1025 | |
953 | cb (revents, arg); |
1026 | cb (revents, arg); |
954 | } |
1027 | } |
955 | |
1028 | |
… | |
… | |
969 | ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1042 | ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
970 | { |
1043 | { |
971 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1044 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
972 | |
1045 | |
973 | if (!once) |
1046 | if (!once) |
974 | cb (EV_ERROR, arg); |
1047 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
975 | else |
1048 | else |
976 | { |
1049 | { |
977 | once->cb = cb; |
1050 | once->cb = cb; |
978 | once->arg = arg; |
1051 | once->arg = arg; |
979 | |
1052 | |
980 | evw_init (&once->io, once_cb_io); |
1053 | ev_watcher_init (&once->io, once_cb_io); |
981 | |
|
|
982 | if (fd >= 0) |
1054 | if (fd >= 0) |
983 | { |
1055 | { |
984 | evio_set (&once->io, fd, events); |
1056 | ev_io_set (&once->io, fd, events); |
985 | evio_start (&once->io); |
1057 | ev_io_start (&once->io); |
986 | } |
1058 | } |
987 | |
1059 | |
988 | evw_init (&once->to, once_cb_to); |
1060 | ev_watcher_init (&once->to, once_cb_to); |
989 | |
|
|
990 | if (timeout >= 0.) |
1061 | if (timeout >= 0.) |
991 | { |
1062 | { |
992 | evtimer_set (&once->to, timeout, 0.); |
1063 | ev_timer_set (&once->to, timeout, 0.); |
993 | evtimer_start (&once->to); |
1064 | ev_timer_start (&once->to); |
994 | } |
1065 | } |
995 | } |
1066 | } |
996 | } |
1067 | } |
997 | |
1068 | |
998 | /*****************************************************************************/ |
1069 | /*****************************************************************************/ |
… | |
… | |
1009 | |
1080 | |
1010 | static void |
1081 | static void |
1011 | ocb (struct ev_timer *w, int revents) |
1082 | ocb (struct ev_timer *w, int revents) |
1012 | { |
1083 | { |
1013 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
1084 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
1014 | evtimer_stop (w); |
1085 | ev_timer_stop (w); |
1015 | evtimer_start (w); |
1086 | ev_timer_start (w); |
1016 | } |
1087 | } |
1017 | |
1088 | |
1018 | static void |
1089 | static void |
1019 | scb (struct ev_signal *w, int revents) |
1090 | scb (struct ev_signal *w, int revents) |
1020 | { |
1091 | { |
1021 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
1092 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
1022 | evio_stop (&wio); |
1093 | ev_io_stop (&wio); |
1023 | evio_start (&wio); |
1094 | ev_io_start (&wio); |
1024 | } |
1095 | } |
1025 | |
1096 | |
1026 | static void |
1097 | static void |
1027 | gcb (struct ev_signal *w, int revents) |
1098 | gcb (struct ev_signal *w, int revents) |
1028 | { |
1099 | { |
… | |
… | |
1032 | |
1103 | |
1033 | int main (void) |
1104 | int main (void) |
1034 | { |
1105 | { |
1035 | ev_init (0); |
1106 | ev_init (0); |
1036 | |
1107 | |
1037 | evio_init (&wio, sin_cb, 0, EV_READ); |
1108 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
1038 | evio_start (&wio); |
1109 | ev_io_start (&wio); |
1039 | |
1110 | |
1040 | struct ev_timer t[10000]; |
1111 | struct ev_timer t[10000]; |
1041 | |
1112 | |
1042 | #if 0 |
1113 | #if 0 |
1043 | int i; |
1114 | int i; |
1044 | for (i = 0; i < 10000; ++i) |
1115 | for (i = 0; i < 10000; ++i) |
1045 | { |
1116 | { |
1046 | struct ev_timer *w = t + i; |
1117 | struct ev_timer *w = t + i; |
1047 | evw_init (w, ocb, i); |
1118 | ev_watcher_init (w, ocb, i); |
1048 | evtimer_init_abs (w, ocb, drand48 (), 0.99775533); |
1119 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
1049 | evtimer_start (w); |
1120 | ev_timer_start (w); |
1050 | if (drand48 () < 0.5) |
1121 | if (drand48 () < 0.5) |
1051 | evtimer_stop (w); |
1122 | ev_timer_stop (w); |
1052 | } |
1123 | } |
1053 | #endif |
1124 | #endif |
1054 | |
1125 | |
1055 | struct ev_timer t1; |
1126 | struct ev_timer t1; |
1056 | evtimer_init (&t1, ocb, 5, 10); |
1127 | ev_timer_init (&t1, ocb, 5, 10); |
1057 | evtimer_start (&t1); |
1128 | ev_timer_start (&t1); |
1058 | |
1129 | |
1059 | struct ev_signal sig; |
1130 | struct ev_signal sig; |
1060 | evsignal_init (&sig, scb, SIGQUIT); |
1131 | ev_signal_init (&sig, scb, SIGQUIT); |
1061 | evsignal_start (&sig); |
1132 | ev_signal_start (&sig); |
1062 | |
1133 | |
1063 | struct ev_check cw; |
1134 | struct ev_check cw; |
1064 | evcheck_init (&cw, gcb); |
1135 | ev_check_init (&cw, gcb); |
1065 | evcheck_start (&cw); |
1136 | ev_check_start (&cw); |
1066 | |
1137 | |
1067 | struct ev_idle iw; |
1138 | struct ev_idle iw; |
1068 | evidle_init (&iw, gcb); |
1139 | ev_idle_init (&iw, gcb); |
1069 | evidle_start (&iw); |
1140 | ev_idle_start (&iw); |
1070 | |
1141 | |
1071 | ev_loop (0); |
1142 | ev_loop (0); |
1072 | |
1143 | |
1073 | return 0; |
1144 | return 0; |
1074 | } |
1145 | } |