1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
59 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
60 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
61 | # endif |
54 | # ifndef EV_USE_REALTIME |
62 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
63 | # define EV_USE_REALTIME 0 |
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64 | # endif |
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65 | # endif |
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66 | |
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67 | # ifndef EV_USE_NANOSLEEP |
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68 | # if HAVE_NANOSLEEP |
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69 | # define EV_USE_NANOSLEEP 1 |
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70 | # else |
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71 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
72 | # endif |
57 | # endif |
73 | # endif |
58 | |
74 | |
59 | # ifndef EV_USE_SELECT |
75 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
146 | |
162 | |
147 | #ifndef EV_USE_REALTIME |
163 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
164 | # define EV_USE_REALTIME 0 |
149 | #endif |
165 | #endif |
150 | |
166 | |
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167 | #ifndef EV_USE_NANOSLEEP |
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168 | # define EV_USE_NANOSLEEP 0 |
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169 | #endif |
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170 | |
151 | #ifndef EV_USE_SELECT |
171 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
172 | # define EV_USE_SELECT 1 |
153 | #endif |
173 | #endif |
154 | |
174 | |
155 | #ifndef EV_USE_POLL |
175 | #ifndef EV_USE_POLL |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
222 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
223 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
224 | # define EV_USE_REALTIME 0 |
205 | #endif |
225 | #endif |
206 | |
226 | |
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227 | #if !EV_STAT_ENABLE |
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228 | # undef EV_USE_INOTIFY |
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229 | # define EV_USE_INOTIFY 0 |
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230 | #endif |
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231 | |
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232 | #if !EV_USE_NANOSLEEP |
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233 | # ifndef _WIN32 |
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234 | # include <sys/select.h> |
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235 | # endif |
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236 | #endif |
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237 | |
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238 | #if EV_USE_INOTIFY |
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239 | # include <sys/inotify.h> |
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240 | #endif |
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241 | |
207 | #if EV_SELECT_IS_WINSOCKET |
242 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
243 | # include <winsock.h> |
209 | #endif |
244 | #endif |
210 | |
245 | |
211 | #if !EV_STAT_ENABLE |
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212 | # define EV_USE_INOTIFY 0 |
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213 | #endif |
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214 | |
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215 | #if EV_USE_INOTIFY |
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216 | # include <sys/inotify.h> |
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217 | #endif |
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218 | |
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219 | /**/ |
246 | /**/ |
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247 | |
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248 | /* |
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249 | * This is used to avoid floating point rounding problems. |
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250 | * It is added to ev_rt_now when scheduling periodics |
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251 | * to ensure progress, time-wise, even when rounding |
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252 | * errors are against us. |
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253 | * This value is good at least till the year 4000. |
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254 | * Better solutions welcome. |
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255 | */ |
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256 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
257 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
258 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
259 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
261 | |
225 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
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228 | # if EV_MINIMAL |
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229 | # define noinline __attribute__ ((noinline)) |
264 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
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231 | # else |
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232 | # define noinline |
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233 | # define inline_speed static inline |
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234 | # endif |
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235 | #else |
265 | #else |
236 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
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238 | # define inline_size static |
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239 | # define noinline |
267 | # define noinline |
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268 | # if __STDC_VERSION__ < 199901L |
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269 | # define inline |
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270 | # endif |
240 | #endif |
271 | #endif |
241 | |
272 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
274 | #define expect_true(expr) expect ((expr) != 0, 1) |
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275 | #define inline_size static inline |
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276 | |
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277 | #if EV_MINIMAL |
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278 | # define inline_speed static noinline |
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279 | #else |
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280 | # define inline_speed static inline |
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281 | #endif |
244 | |
282 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
285 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
288 | |
251 | typedef ev_watcher *W; |
289 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
254 | |
292 | |
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293 | #if EV_USE_MONOTONIC |
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294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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295 | /* giving it a reasonably high chance of working on typical architetcures */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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297 | #endif |
256 | |
298 | |
257 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
258 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
259 | #endif |
301 | #endif |
260 | |
302 | |
… | |
… | |
396 | { |
438 | { |
397 | return ev_rt_now; |
439 | return ev_rt_now; |
398 | } |
440 | } |
399 | #endif |
441 | #endif |
400 | |
442 | |
401 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
443 | void |
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444 | ev_sleep (ev_tstamp delay) |
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445 | { |
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446 | if (delay > 0.) |
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447 | { |
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448 | #if EV_USE_NANOSLEEP |
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449 | struct timespec ts; |
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450 | |
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451 | ts.tv_sec = (time_t)delay; |
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452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
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453 | |
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454 | nanosleep (&ts, 0); |
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455 | #elif defined(_WIN32) |
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456 | Sleep (delay * 1e3); |
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457 | #else |
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458 | struct timeval tv; |
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459 | |
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460 | tv.tv_sec = (time_t)delay; |
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461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
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462 | |
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463 | select (0, 0, 0, 0, &tv); |
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464 | #endif |
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465 | } |
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466 | } |
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467 | |
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468 | /*****************************************************************************/ |
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469 | |
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470 | int inline_size |
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471 | array_nextsize (int elem, int cur, int cnt) |
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472 | { |
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473 | int ncur = cur + 1; |
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474 | |
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475 | do |
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476 | ncur <<= 1; |
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477 | while (cnt > ncur); |
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478 | |
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479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
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480 | if (elem * ncur > 4096) |
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481 | { |
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482 | ncur *= elem; |
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483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
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484 | ncur = ncur - sizeof (void *) * 4; |
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485 | ncur /= elem; |
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486 | } |
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487 | |
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488 | return ncur; |
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489 | } |
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490 | |
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491 | static noinline void * |
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492 | array_realloc (int elem, void *base, int *cur, int cnt) |
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493 | { |
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494 | *cur = array_nextsize (elem, *cur, cnt); |
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495 | return ev_realloc (base, elem * *cur); |
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496 | } |
402 | |
497 | |
403 | #define array_needsize(type,base,cur,cnt,init) \ |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
404 | if (expect_false ((cnt) > cur)) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
405 | { \ |
500 | { \ |
406 | int newcnt = cur; \ |
501 | int ocur_ = (cur); \ |
407 | do \ |
502 | (base) = (type *)array_realloc \ |
408 | { \ |
503 | (sizeof (type), (base), &(cur), (cnt)); \ |
409 | newcnt = array_roundsize (type, newcnt << 1); \ |
504 | init ((base) + (ocur_), (cur) - ocur_); \ |
410 | } \ |
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411 | while ((cnt) > newcnt); \ |
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412 | \ |
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413 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
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414 | init (base + cur, newcnt - cur); \ |
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415 | cur = newcnt; \ |
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416 | } |
505 | } |
417 | |
506 | |
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507 | #if 0 |
418 | #define array_slim(type,stem) \ |
508 | #define array_slim(type,stem) \ |
419 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
509 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
420 | { \ |
510 | { \ |
421 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
511 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
422 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
512 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
423 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
424 | } |
514 | } |
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515 | #endif |
425 | |
516 | |
426 | #define array_free(stem, idx) \ |
517 | #define array_free(stem, idx) \ |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
428 | |
519 | |
429 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
430 | |
521 | |
431 | void noinline |
522 | void noinline |
432 | ev_feed_event (EV_P_ void *w, int revents) |
523 | ev_feed_event (EV_P_ void *w, int revents) |
433 | { |
524 | { |
434 | W w_ = (W)w; |
525 | W w_ = (W)w; |
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526 | int pri = ABSPRI (w_); |
435 | |
527 | |
436 | if (expect_false (w_->pending)) |
528 | if (expect_false (w_->pending)) |
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529 | pendings [pri][w_->pending - 1].events |= revents; |
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530 | else |
437 | { |
531 | { |
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532 | w_->pending = ++pendingcnt [pri]; |
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533 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
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534 | pendings [pri][w_->pending - 1].w = w_; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
535 | pendings [pri][w_->pending - 1].events = revents; |
439 | return; |
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440 | } |
536 | } |
441 | |
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442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
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443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
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444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
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445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
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446 | } |
537 | } |
447 | |
538 | |
448 | void inline_size |
539 | void inline_speed |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
450 | { |
541 | { |
451 | int i; |
542 | int i; |
452 | |
543 | |
453 | for (i = 0; i < eventcnt; ++i) |
544 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
485 | } |
576 | } |
486 | |
577 | |
487 | void |
578 | void |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
489 | { |
580 | { |
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581 | if (fd >= 0 && fd < anfdmax) |
490 | fd_event (EV_A_ fd, revents); |
582 | fd_event (EV_A_ fd, revents); |
491 | } |
583 | } |
492 | |
584 | |
493 | void inline_size |
585 | void inline_size |
494 | fd_reify (EV_P) |
586 | fd_reify (EV_P) |
495 | { |
587 | { |
… | |
… | |
499 | { |
591 | { |
500 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
501 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
502 | ev_io *w; |
594 | ev_io *w; |
503 | |
595 | |
504 | int events = 0; |
596 | unsigned char events = 0; |
505 | |
597 | |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
598 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
507 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
508 | |
600 | |
509 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
510 | if (events) |
602 | if (events) |
511 | { |
603 | { |
512 | unsigned long argp; |
604 | unsigned long argp; |
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605 | #ifdef EV_FD_TO_WIN32_HANDLE |
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606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
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607 | #else |
513 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
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609 | #endif |
514 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
515 | } |
611 | } |
516 | #endif |
612 | #endif |
517 | |
613 | |
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614 | { |
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615 | unsigned char o_events = anfd->events; |
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616 | unsigned char o_reify = anfd->reify; |
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617 | |
518 | anfd->reify = 0; |
618 | anfd->reify = 0; |
519 | |
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520 | backend_modify (EV_A_ fd, anfd->events, events); |
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521 | anfd->events = events; |
619 | anfd->events = events; |
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620 | |
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621 | if (o_events != events || o_reify & EV_IOFDSET) |
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622 | backend_modify (EV_A_ fd, o_events, events); |
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623 | } |
522 | } |
624 | } |
523 | |
625 | |
524 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
525 | } |
627 | } |
526 | |
628 | |
527 | void inline_size |
629 | void inline_size |
528 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
529 | { |
631 | { |
530 | if (expect_false (anfds [fd].reify)) |
632 | unsigned char reify = anfds [fd].reify; |
531 | return; |
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532 | |
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533 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
534 | |
634 | |
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635 | if (expect_true (!reify)) |
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636 | { |
535 | ++fdchangecnt; |
637 | ++fdchangecnt; |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
537 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
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640 | } |
538 | } |
641 | } |
539 | |
642 | |
540 | void inline_speed |
643 | void inline_speed |
541 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
542 | { |
645 | { |
… | |
… | |
593 | |
696 | |
594 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
595 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
596 | { |
699 | { |
597 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
598 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
599 | } |
702 | } |
600 | } |
703 | } |
601 | |
704 | |
602 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
603 | |
706 | |
604 | void inline_speed |
707 | void inline_speed |
605 | upheap (WT *heap, int k) |
708 | upheap (WT *heap, int k) |
606 | { |
709 | { |
607 | WT w = heap [k]; |
710 | WT w = heap [k]; |
608 | |
711 | |
609 | while (k && heap [k >> 1]->at > w->at) |
712 | while (k) |
610 | { |
713 | { |
|
|
714 | int p = (k - 1) >> 1; |
|
|
715 | |
|
|
716 | if (heap [p]->at <= w->at) |
|
|
717 | break; |
|
|
718 | |
611 | heap [k] = heap [k >> 1]; |
719 | heap [k] = heap [p]; |
612 | ((W)heap [k])->active = k + 1; |
720 | ((W)heap [k])->active = k + 1; |
613 | k >>= 1; |
721 | k = p; |
614 | } |
722 | } |
615 | |
723 | |
616 | heap [k] = w; |
724 | heap [k] = w; |
617 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
618 | |
|
|
619 | } |
726 | } |
620 | |
727 | |
621 | void inline_speed |
728 | void inline_speed |
622 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
623 | { |
730 | { |
624 | WT w = heap [k]; |
731 | WT w = heap [k]; |
625 | |
732 | |
626 | while (k < (N >> 1)) |
733 | for (;;) |
627 | { |
734 | { |
628 | int j = k << 1; |
735 | int c = (k << 1) + 1; |
629 | |
736 | |
630 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
737 | if (c >= N) |
631 | ++j; |
|
|
632 | |
|
|
633 | if (w->at <= heap [j]->at) |
|
|
634 | break; |
738 | break; |
635 | |
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
636 | heap [k] = heap [j]; |
746 | heap [k] = heap [c]; |
637 | ((W)heap [k])->active = k + 1; |
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
638 | k = j; |
749 | k = c; |
639 | } |
750 | } |
640 | |
751 | |
641 | heap [k] = w; |
752 | heap [k] = w; |
642 | ((W)heap [k])->active = k + 1; |
753 | ((W)heap [k])->active = k + 1; |
643 | } |
754 | } |
… | |
… | |
652 | /*****************************************************************************/ |
763 | /*****************************************************************************/ |
653 | |
764 | |
654 | typedef struct |
765 | typedef struct |
655 | { |
766 | { |
656 | WL head; |
767 | WL head; |
657 | sig_atomic_t volatile gotsig; |
768 | EV_ATOMIC_T gotsig; |
658 | } ANSIG; |
769 | } ANSIG; |
659 | |
770 | |
660 | static ANSIG *signals; |
771 | static ANSIG *signals; |
661 | static int signalmax; |
772 | static int signalmax; |
662 | |
773 | |
663 | static int sigpipe [2]; |
774 | static EV_ATOMIC_T gotsig; |
664 | static sig_atomic_t volatile gotsig; |
|
|
665 | static ev_io sigev; |
|
|
666 | |
775 | |
667 | void inline_size |
776 | void inline_size |
668 | signals_init (ANSIG *base, int count) |
777 | signals_init (ANSIG *base, int count) |
669 | { |
778 | { |
670 | while (count--) |
779 | while (count--) |
… | |
… | |
674 | |
783 | |
675 | ++base; |
784 | ++base; |
676 | } |
785 | } |
677 | } |
786 | } |
678 | |
787 | |
679 | static void |
788 | /*****************************************************************************/ |
680 | sighandler (int signum) |
|
|
681 | { |
|
|
682 | #if _WIN32 |
|
|
683 | signal (signum, sighandler); |
|
|
684 | #endif |
|
|
685 | |
789 | |
686 | signals [signum - 1].gotsig = 1; |
|
|
687 | |
|
|
688 | if (!gotsig) |
|
|
689 | { |
|
|
690 | int old_errno = errno; |
|
|
691 | gotsig = 1; |
|
|
692 | write (sigpipe [1], &signum, 1); |
|
|
693 | errno = old_errno; |
|
|
694 | } |
|
|
695 | } |
|
|
696 | |
|
|
697 | void noinline |
|
|
698 | ev_feed_signal_event (EV_P_ int signum) |
|
|
699 | { |
|
|
700 | WL w; |
|
|
701 | |
|
|
702 | #if EV_MULTIPLICITY |
|
|
703 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
704 | #endif |
|
|
705 | |
|
|
706 | --signum; |
|
|
707 | |
|
|
708 | if (signum < 0 || signum >= signalmax) |
|
|
709 | return; |
|
|
710 | |
|
|
711 | signals [signum].gotsig = 0; |
|
|
712 | |
|
|
713 | for (w = signals [signum].head; w; w = w->next) |
|
|
714 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
715 | } |
|
|
716 | |
|
|
717 | static void |
|
|
718 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
719 | { |
|
|
720 | int signum; |
|
|
721 | |
|
|
722 | read (sigpipe [0], &revents, 1); |
|
|
723 | gotsig = 0; |
|
|
724 | |
|
|
725 | for (signum = signalmax; signum--; ) |
|
|
726 | if (signals [signum].gotsig) |
|
|
727 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
728 | } |
|
|
729 | |
|
|
730 | void inline_size |
790 | void inline_speed |
731 | fd_intern (int fd) |
791 | fd_intern (int fd) |
732 | { |
792 | { |
733 | #ifdef _WIN32 |
793 | #ifdef _WIN32 |
734 | int arg = 1; |
794 | int arg = 1; |
735 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
795 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
738 | fcntl (fd, F_SETFL, O_NONBLOCK); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
739 | #endif |
799 | #endif |
740 | } |
800 | } |
741 | |
801 | |
742 | static void noinline |
802 | static void noinline |
743 | siginit (EV_P) |
803 | evpipe_init (EV_P) |
744 | { |
804 | { |
|
|
805 | if (!ev_is_active (&pipeev)) |
|
|
806 | { |
|
|
807 | while (pipe (evpipe)) |
|
|
808 | syserr ("(libev) error creating signal/async pipe"); |
|
|
809 | |
745 | fd_intern (sigpipe [0]); |
810 | fd_intern (evpipe [0]); |
746 | fd_intern (sigpipe [1]); |
811 | fd_intern (evpipe [1]); |
747 | |
812 | |
748 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
749 | ev_io_start (EV_A_ &sigev); |
814 | ev_io_start (EV_A_ &pipeev); |
750 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
816 | } |
|
|
817 | } |
|
|
818 | |
|
|
819 | void inline_size |
|
|
820 | evpipe_write (EV_P_ int sig, int async) |
|
|
821 | { |
|
|
822 | if (!(gotasync || gotsig)) |
|
|
823 | { |
|
|
824 | int old_errno = errno; /* save errno becaue write might clobber it */ |
|
|
825 | |
|
|
826 | if (sig) gotsig = 1; |
|
|
827 | if (async) gotasync = 1; |
|
|
828 | |
|
|
829 | write (evpipe [1], &old_errno, 1); |
|
|
830 | |
|
|
831 | errno = old_errno; |
|
|
832 | } |
|
|
833 | } |
|
|
834 | |
|
|
835 | static void |
|
|
836 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
837 | { |
|
|
838 | { |
|
|
839 | int dummy; |
|
|
840 | read (evpipe [0], &dummy, 1); |
|
|
841 | } |
|
|
842 | |
|
|
843 | if (gotsig) |
|
|
844 | { |
|
|
845 | int signum; |
|
|
846 | gotsig = 0; |
|
|
847 | |
|
|
848 | for (signum = signalmax; signum--; ) |
|
|
849 | if (signals [signum].gotsig) |
|
|
850 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
851 | } |
|
|
852 | |
|
|
853 | #if EV_ASYNC_ENABLE |
|
|
854 | if (gotasync) |
|
|
855 | { |
|
|
856 | int i; |
|
|
857 | gotasync = 0; |
|
|
858 | |
|
|
859 | for (i = asynccnt; i--; ) |
|
|
860 | if (asyncs [i]->sent) |
|
|
861 | { |
|
|
862 | asyncs [i]->sent = 0; |
|
|
863 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
864 | } |
|
|
865 | } |
|
|
866 | #endif |
751 | } |
867 | } |
752 | |
868 | |
753 | /*****************************************************************************/ |
869 | /*****************************************************************************/ |
754 | |
870 | |
|
|
871 | static void |
|
|
872 | sighandler (int signum) |
|
|
873 | { |
|
|
874 | #if EV_MULTIPLICITY |
|
|
875 | struct ev_loop *loop = &default_loop_struct; |
|
|
876 | #endif |
|
|
877 | |
|
|
878 | #if _WIN32 |
|
|
879 | signal (signum, sighandler); |
|
|
880 | #endif |
|
|
881 | |
|
|
882 | signals [signum - 1].gotsig = 1; |
|
|
883 | evpipe_write (EV_A_ 1, 0); |
|
|
884 | } |
|
|
885 | |
|
|
886 | void noinline |
|
|
887 | ev_feed_signal_event (EV_P_ int signum) |
|
|
888 | { |
|
|
889 | WL w; |
|
|
890 | |
|
|
891 | #if EV_MULTIPLICITY |
|
|
892 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
893 | #endif |
|
|
894 | |
|
|
895 | --signum; |
|
|
896 | |
|
|
897 | if (signum < 0 || signum >= signalmax) |
|
|
898 | return; |
|
|
899 | |
|
|
900 | signals [signum].gotsig = 0; |
|
|
901 | |
|
|
902 | for (w = signals [signum].head; w; w = w->next) |
|
|
903 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
904 | } |
|
|
905 | |
|
|
906 | /*****************************************************************************/ |
|
|
907 | |
755 | static ev_child *childs [EV_PID_HASHSIZE]; |
908 | static WL childs [EV_PID_HASHSIZE]; |
756 | |
909 | |
757 | #ifndef _WIN32 |
910 | #ifndef _WIN32 |
758 | |
911 | |
759 | static ev_signal childev; |
912 | static ev_signal childev; |
|
|
913 | |
|
|
914 | #ifndef WIFCONTINUED |
|
|
915 | # define WIFCONTINUED(status) 0 |
|
|
916 | #endif |
760 | |
917 | |
761 | void inline_speed |
918 | void inline_speed |
762 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
919 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
763 | { |
920 | { |
764 | ev_child *w; |
921 | ev_child *w; |
|
|
922 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
765 | |
923 | |
766 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
925 | { |
767 | if (w->pid == pid || !w->pid) |
926 | if ((w->pid == pid || !w->pid) |
|
|
927 | && (!traced || (w->flags & 1))) |
768 | { |
928 | { |
769 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
929 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
770 | w->rpid = pid; |
930 | w->rpid = pid; |
771 | w->rstatus = status; |
931 | w->rstatus = status; |
772 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
932 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
773 | } |
933 | } |
|
|
934 | } |
774 | } |
935 | } |
775 | |
936 | |
776 | #ifndef WCONTINUED |
937 | #ifndef WCONTINUED |
777 | # define WCONTINUED 0 |
938 | # define WCONTINUED 0 |
778 | #endif |
939 | #endif |
… | |
… | |
875 | } |
1036 | } |
876 | |
1037 | |
877 | unsigned int |
1038 | unsigned int |
878 | ev_embeddable_backends (void) |
1039 | ev_embeddable_backends (void) |
879 | { |
1040 | { |
880 | return EVBACKEND_EPOLL |
1041 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
881 | | EVBACKEND_KQUEUE |
1042 | |
882 | | EVBACKEND_PORT; |
1043 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1044 | /* please fix it and tell me how to detect the fix */ |
|
|
1045 | flags &= ~EVBACKEND_EPOLL; |
|
|
1046 | |
|
|
1047 | return flags; |
883 | } |
1048 | } |
884 | |
1049 | |
885 | unsigned int |
1050 | unsigned int |
886 | ev_backend (EV_P) |
1051 | ev_backend (EV_P) |
887 | { |
1052 | { |
… | |
… | |
890 | |
1055 | |
891 | unsigned int |
1056 | unsigned int |
892 | ev_loop_count (EV_P) |
1057 | ev_loop_count (EV_P) |
893 | { |
1058 | { |
894 | return loop_count; |
1059 | return loop_count; |
|
|
1060 | } |
|
|
1061 | |
|
|
1062 | void |
|
|
1063 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1064 | { |
|
|
1065 | io_blocktime = interval; |
|
|
1066 | } |
|
|
1067 | |
|
|
1068 | void |
|
|
1069 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1070 | { |
|
|
1071 | timeout_blocktime = interval; |
895 | } |
1072 | } |
896 | |
1073 | |
897 | static void noinline |
1074 | static void noinline |
898 | loop_init (EV_P_ unsigned int flags) |
1075 | loop_init (EV_P_ unsigned int flags) |
899 | { |
1076 | { |
… | |
… | |
905 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1082 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
906 | have_monotonic = 1; |
1083 | have_monotonic = 1; |
907 | } |
1084 | } |
908 | #endif |
1085 | #endif |
909 | |
1086 | |
910 | ev_rt_now = ev_time (); |
1087 | ev_rt_now = ev_time (); |
911 | mn_now = get_clock (); |
1088 | mn_now = get_clock (); |
912 | now_floor = mn_now; |
1089 | now_floor = mn_now; |
913 | rtmn_diff = ev_rt_now - mn_now; |
1090 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1091 | |
|
|
1092 | io_blocktime = 0.; |
|
|
1093 | timeout_blocktime = 0.; |
|
|
1094 | backend = 0; |
|
|
1095 | backend_fd = -1; |
|
|
1096 | gotasync = 0; |
|
|
1097 | #if EV_USE_INOTIFY |
|
|
1098 | fs_fd = -2; |
|
|
1099 | #endif |
914 | |
1100 | |
915 | /* pid check not overridable via env */ |
1101 | /* pid check not overridable via env */ |
916 | #ifndef _WIN32 |
1102 | #ifndef _WIN32 |
917 | if (flags & EVFLAG_FORKCHECK) |
1103 | if (flags & EVFLAG_FORKCHECK) |
918 | curpid = getpid (); |
1104 | curpid = getpid (); |
… | |
… | |
924 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1110 | flags = atoi (getenv ("LIBEV_FLAGS")); |
925 | |
1111 | |
926 | if (!(flags & 0x0000ffffUL)) |
1112 | if (!(flags & 0x0000ffffUL)) |
927 | flags |= ev_recommended_backends (); |
1113 | flags |= ev_recommended_backends (); |
928 | |
1114 | |
929 | backend = 0; |
|
|
930 | backend_fd = -1; |
|
|
931 | #if EV_USE_INOTIFY |
|
|
932 | fs_fd = -2; |
|
|
933 | #endif |
|
|
934 | |
|
|
935 | #if EV_USE_PORT |
1115 | #if EV_USE_PORT |
936 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1116 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
937 | #endif |
1117 | #endif |
938 | #if EV_USE_KQUEUE |
1118 | #if EV_USE_KQUEUE |
939 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1119 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
946 | #endif |
1126 | #endif |
947 | #if EV_USE_SELECT |
1127 | #if EV_USE_SELECT |
948 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1128 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
949 | #endif |
1129 | #endif |
950 | |
1130 | |
951 | ev_init (&sigev, sigcb); |
1131 | ev_init (&pipeev, pipecb); |
952 | ev_set_priority (&sigev, EV_MAXPRI); |
1132 | ev_set_priority (&pipeev, EV_MAXPRI); |
953 | } |
1133 | } |
954 | } |
1134 | } |
955 | |
1135 | |
956 | static void noinline |
1136 | static void noinline |
957 | loop_destroy (EV_P) |
1137 | loop_destroy (EV_P) |
958 | { |
1138 | { |
959 | int i; |
1139 | int i; |
|
|
1140 | |
|
|
1141 | if (ev_is_active (&pipeev)) |
|
|
1142 | { |
|
|
1143 | ev_ref (EV_A); /* signal watcher */ |
|
|
1144 | ev_io_stop (EV_A_ &pipeev); |
|
|
1145 | |
|
|
1146 | close (evpipe [0]); evpipe [0] = 0; |
|
|
1147 | close (evpipe [1]); evpipe [1] = 0; |
|
|
1148 | } |
960 | |
1149 | |
961 | #if EV_USE_INOTIFY |
1150 | #if EV_USE_INOTIFY |
962 | if (fs_fd >= 0) |
1151 | if (fs_fd >= 0) |
963 | close (fs_fd); |
1152 | close (fs_fd); |
964 | #endif |
1153 | #endif |
… | |
… | |
981 | #if EV_USE_SELECT |
1170 | #if EV_USE_SELECT |
982 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1171 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
983 | #endif |
1172 | #endif |
984 | |
1173 | |
985 | for (i = NUMPRI; i--; ) |
1174 | for (i = NUMPRI; i--; ) |
|
|
1175 | { |
986 | array_free (pending, [i]); |
1176 | array_free (pending, [i]); |
|
|
1177 | #if EV_IDLE_ENABLE |
|
|
1178 | array_free (idle, [i]); |
|
|
1179 | #endif |
|
|
1180 | } |
|
|
1181 | |
|
|
1182 | ev_free (anfds); anfdmax = 0; |
987 | |
1183 | |
988 | /* have to use the microsoft-never-gets-it-right macro */ |
1184 | /* have to use the microsoft-never-gets-it-right macro */ |
989 | array_free (fdchange, EMPTY0); |
1185 | array_free (fdchange, EMPTY); |
990 | array_free (timer, EMPTY0); |
1186 | array_free (timer, EMPTY); |
991 | #if EV_PERIODIC_ENABLE |
1187 | #if EV_PERIODIC_ENABLE |
992 | array_free (periodic, EMPTY0); |
1188 | array_free (periodic, EMPTY); |
993 | #endif |
1189 | #endif |
|
|
1190 | #if EV_FORK_ENABLE |
994 | array_free (idle, EMPTY0); |
1191 | array_free (fork, EMPTY); |
|
|
1192 | #endif |
995 | array_free (prepare, EMPTY0); |
1193 | array_free (prepare, EMPTY); |
996 | array_free (check, EMPTY0); |
1194 | array_free (check, EMPTY); |
|
|
1195 | #if EV_ASYNC_ENABLE |
|
|
1196 | array_free (async, EMPTY); |
|
|
1197 | #endif |
997 | |
1198 | |
998 | backend = 0; |
1199 | backend = 0; |
999 | } |
1200 | } |
1000 | |
1201 | |
1001 | void inline_size infy_fork (EV_P); |
1202 | void inline_size infy_fork (EV_P); |
… | |
… | |
1014 | #endif |
1215 | #endif |
1015 | #if EV_USE_INOTIFY |
1216 | #if EV_USE_INOTIFY |
1016 | infy_fork (EV_A); |
1217 | infy_fork (EV_A); |
1017 | #endif |
1218 | #endif |
1018 | |
1219 | |
1019 | if (ev_is_active (&sigev)) |
1220 | if (ev_is_active (&pipeev)) |
1020 | { |
1221 | { |
1021 | /* default loop */ |
1222 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1223 | gotsig = gotasync = 1; |
1022 | |
1224 | |
1023 | ev_ref (EV_A); |
1225 | ev_ref (EV_A); |
1024 | ev_io_stop (EV_A_ &sigev); |
1226 | ev_io_stop (EV_A_ &pipeev); |
1025 | close (sigpipe [0]); |
1227 | close (evpipe [0]); |
1026 | close (sigpipe [1]); |
1228 | close (evpipe [1]); |
1027 | |
1229 | |
1028 | while (pipe (sigpipe)) |
|
|
1029 | syserr ("(libev) error creating pipe"); |
|
|
1030 | |
|
|
1031 | siginit (EV_A); |
1230 | evpipe_init (EV_A); |
|
|
1231 | /* now iterate over everything, in case we missed something */ |
|
|
1232 | pipecb (EV_A_ &pipeev, EV_READ); |
1032 | } |
1233 | } |
1033 | |
1234 | |
1034 | postfork = 0; |
1235 | postfork = 0; |
1035 | } |
1236 | } |
1036 | |
1237 | |
… | |
… | |
1058 | } |
1259 | } |
1059 | |
1260 | |
1060 | void |
1261 | void |
1061 | ev_loop_fork (EV_P) |
1262 | ev_loop_fork (EV_P) |
1062 | { |
1263 | { |
1063 | postfork = 1; |
1264 | postfork = 1; /* must be in line with ev_default_fork */ |
1064 | } |
1265 | } |
1065 | |
1266 | |
1066 | #endif |
1267 | #endif |
1067 | |
1268 | |
1068 | #if EV_MULTIPLICITY |
1269 | #if EV_MULTIPLICITY |
… | |
… | |
1071 | #else |
1272 | #else |
1072 | int |
1273 | int |
1073 | ev_default_loop (unsigned int flags) |
1274 | ev_default_loop (unsigned int flags) |
1074 | #endif |
1275 | #endif |
1075 | { |
1276 | { |
1076 | if (sigpipe [0] == sigpipe [1]) |
|
|
1077 | if (pipe (sigpipe)) |
|
|
1078 | return 0; |
|
|
1079 | |
|
|
1080 | if (!ev_default_loop_ptr) |
1277 | if (!ev_default_loop_ptr) |
1081 | { |
1278 | { |
1082 | #if EV_MULTIPLICITY |
1279 | #if EV_MULTIPLICITY |
1083 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1280 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1084 | #else |
1281 | #else |
… | |
… | |
1087 | |
1284 | |
1088 | loop_init (EV_A_ flags); |
1285 | loop_init (EV_A_ flags); |
1089 | |
1286 | |
1090 | if (ev_backend (EV_A)) |
1287 | if (ev_backend (EV_A)) |
1091 | { |
1288 | { |
1092 | siginit (EV_A); |
|
|
1093 | |
|
|
1094 | #ifndef _WIN32 |
1289 | #ifndef _WIN32 |
1095 | ev_signal_init (&childev, childcb, SIGCHLD); |
1290 | ev_signal_init (&childev, childcb, SIGCHLD); |
1096 | ev_set_priority (&childev, EV_MAXPRI); |
1291 | ev_set_priority (&childev, EV_MAXPRI); |
1097 | ev_signal_start (EV_A_ &childev); |
1292 | ev_signal_start (EV_A_ &childev); |
1098 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1293 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1115 | #ifndef _WIN32 |
1310 | #ifndef _WIN32 |
1116 | ev_ref (EV_A); /* child watcher */ |
1311 | ev_ref (EV_A); /* child watcher */ |
1117 | ev_signal_stop (EV_A_ &childev); |
1312 | ev_signal_stop (EV_A_ &childev); |
1118 | #endif |
1313 | #endif |
1119 | |
1314 | |
1120 | ev_ref (EV_A); /* signal watcher */ |
|
|
1121 | ev_io_stop (EV_A_ &sigev); |
|
|
1122 | |
|
|
1123 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1124 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1125 | |
|
|
1126 | loop_destroy (EV_A); |
1315 | loop_destroy (EV_A); |
1127 | } |
1316 | } |
1128 | |
1317 | |
1129 | void |
1318 | void |
1130 | ev_default_fork (void) |
1319 | ev_default_fork (void) |
… | |
… | |
1132 | #if EV_MULTIPLICITY |
1321 | #if EV_MULTIPLICITY |
1133 | struct ev_loop *loop = ev_default_loop_ptr; |
1322 | struct ev_loop *loop = ev_default_loop_ptr; |
1134 | #endif |
1323 | #endif |
1135 | |
1324 | |
1136 | if (backend) |
1325 | if (backend) |
1137 | postfork = 1; |
1326 | postfork = 1; /* must be in line with ev_loop_fork */ |
1138 | } |
1327 | } |
1139 | |
1328 | |
1140 | /*****************************************************************************/ |
1329 | /*****************************************************************************/ |
1141 | |
1330 | |
1142 | int inline_size |
1331 | void |
1143 | any_pending (EV_P) |
1332 | ev_invoke (EV_P_ void *w, int revents) |
1144 | { |
1333 | { |
1145 | int pri; |
1334 | EV_CB_INVOKE ((W)w, revents); |
1146 | |
|
|
1147 | for (pri = NUMPRI; pri--; ) |
|
|
1148 | if (pendingcnt [pri]) |
|
|
1149 | return 1; |
|
|
1150 | |
|
|
1151 | return 0; |
|
|
1152 | } |
1335 | } |
1153 | |
1336 | |
1154 | void inline_speed |
1337 | void inline_speed |
1155 | call_pending (EV_P) |
1338 | call_pending (EV_P) |
1156 | { |
1339 | { |
… | |
… | |
1174 | void inline_size |
1357 | void inline_size |
1175 | timers_reify (EV_P) |
1358 | timers_reify (EV_P) |
1176 | { |
1359 | { |
1177 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1360 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1178 | { |
1361 | { |
1179 | ev_timer *w = timers [0]; |
1362 | ev_timer *w = (ev_timer *)timers [0]; |
1180 | |
1363 | |
1181 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1364 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1182 | |
1365 | |
1183 | /* first reschedule or stop timer */ |
1366 | /* first reschedule or stop timer */ |
1184 | if (w->repeat) |
1367 | if (w->repeat) |
… | |
… | |
1187 | |
1370 | |
1188 | ((WT)w)->at += w->repeat; |
1371 | ((WT)w)->at += w->repeat; |
1189 | if (((WT)w)->at < mn_now) |
1372 | if (((WT)w)->at < mn_now) |
1190 | ((WT)w)->at = mn_now; |
1373 | ((WT)w)->at = mn_now; |
1191 | |
1374 | |
1192 | downheap ((WT *)timers, timercnt, 0); |
1375 | downheap (timers, timercnt, 0); |
1193 | } |
1376 | } |
1194 | else |
1377 | else |
1195 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1378 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1196 | |
1379 | |
1197 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1380 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1202 | void inline_size |
1385 | void inline_size |
1203 | periodics_reify (EV_P) |
1386 | periodics_reify (EV_P) |
1204 | { |
1387 | { |
1205 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1388 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1206 | { |
1389 | { |
1207 | ev_periodic *w = periodics [0]; |
1390 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1208 | |
1391 | |
1209 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1392 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1210 | |
1393 | |
1211 | /* first reschedule or stop timer */ |
1394 | /* first reschedule or stop timer */ |
1212 | if (w->reschedule_cb) |
1395 | if (w->reschedule_cb) |
1213 | { |
1396 | { |
1214 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1397 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1215 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1398 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1216 | downheap ((WT *)periodics, periodiccnt, 0); |
1399 | downheap (periodics, periodiccnt, 0); |
1217 | } |
1400 | } |
1218 | else if (w->interval) |
1401 | else if (w->interval) |
1219 | { |
1402 | { |
1220 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1403 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1404 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1221 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1405 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1222 | downheap ((WT *)periodics, periodiccnt, 0); |
1406 | downheap (periodics, periodiccnt, 0); |
1223 | } |
1407 | } |
1224 | else |
1408 | else |
1225 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1409 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1226 | |
1410 | |
1227 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1411 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1234 | int i; |
1418 | int i; |
1235 | |
1419 | |
1236 | /* adjust periodics after time jump */ |
1420 | /* adjust periodics after time jump */ |
1237 | for (i = 0; i < periodiccnt; ++i) |
1421 | for (i = 0; i < periodiccnt; ++i) |
1238 | { |
1422 | { |
1239 | ev_periodic *w = periodics [i]; |
1423 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1240 | |
1424 | |
1241 | if (w->reschedule_cb) |
1425 | if (w->reschedule_cb) |
1242 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1426 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1243 | else if (w->interval) |
1427 | else if (w->interval) |
1244 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1428 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1245 | } |
1429 | } |
1246 | |
1430 | |
1247 | /* now rebuild the heap */ |
1431 | /* now rebuild the heap */ |
1248 | for (i = periodiccnt >> 1; i--; ) |
1432 | for (i = periodiccnt >> 1; i--; ) |
1249 | downheap ((WT *)periodics, periodiccnt, i); |
1433 | downheap (periodics, periodiccnt, i); |
1250 | } |
1434 | } |
1251 | #endif |
1435 | #endif |
1252 | |
1436 | |
|
|
1437 | #if EV_IDLE_ENABLE |
1253 | int inline_size |
1438 | void inline_size |
1254 | time_update_monotonic (EV_P) |
1439 | idle_reify (EV_P) |
1255 | { |
1440 | { |
|
|
1441 | if (expect_false (idleall)) |
|
|
1442 | { |
|
|
1443 | int pri; |
|
|
1444 | |
|
|
1445 | for (pri = NUMPRI; pri--; ) |
|
|
1446 | { |
|
|
1447 | if (pendingcnt [pri]) |
|
|
1448 | break; |
|
|
1449 | |
|
|
1450 | if (idlecnt [pri]) |
|
|
1451 | { |
|
|
1452 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1453 | break; |
|
|
1454 | } |
|
|
1455 | } |
|
|
1456 | } |
|
|
1457 | } |
|
|
1458 | #endif |
|
|
1459 | |
|
|
1460 | void inline_speed |
|
|
1461 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1462 | { |
|
|
1463 | int i; |
|
|
1464 | |
|
|
1465 | #if EV_USE_MONOTONIC |
|
|
1466 | if (expect_true (have_monotonic)) |
|
|
1467 | { |
|
|
1468 | ev_tstamp odiff = rtmn_diff; |
|
|
1469 | |
1256 | mn_now = get_clock (); |
1470 | mn_now = get_clock (); |
1257 | |
1471 | |
|
|
1472 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1473 | /* interpolate in the meantime */ |
1258 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1474 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1259 | { |
1475 | { |
1260 | ev_rt_now = rtmn_diff + mn_now; |
1476 | ev_rt_now = rtmn_diff + mn_now; |
1261 | return 0; |
1477 | return; |
1262 | } |
1478 | } |
1263 | else |
1479 | |
1264 | { |
|
|
1265 | now_floor = mn_now; |
1480 | now_floor = mn_now; |
1266 | ev_rt_now = ev_time (); |
1481 | ev_rt_now = ev_time (); |
1267 | return 1; |
|
|
1268 | } |
|
|
1269 | } |
|
|
1270 | |
1482 | |
1271 | void inline_size |
1483 | /* loop a few times, before making important decisions. |
1272 | time_update (EV_P) |
1484 | * on the choice of "4": one iteration isn't enough, |
1273 | { |
1485 | * in case we get preempted during the calls to |
1274 | int i; |
1486 | * ev_time and get_clock. a second call is almost guaranteed |
1275 | |
1487 | * to succeed in that case, though. and looping a few more times |
1276 | #if EV_USE_MONOTONIC |
1488 | * doesn't hurt either as we only do this on time-jumps or |
1277 | if (expect_true (have_monotonic)) |
1489 | * in the unlikely event of having been preempted here. |
1278 | { |
1490 | */ |
1279 | if (time_update_monotonic (EV_A)) |
1491 | for (i = 4; --i; ) |
1280 | { |
1492 | { |
1281 | ev_tstamp odiff = rtmn_diff; |
|
|
1282 | |
|
|
1283 | /* loop a few times, before making important decisions. |
|
|
1284 | * on the choice of "4": one iteration isn't enough, |
|
|
1285 | * in case we get preempted during the calls to |
|
|
1286 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1287 | * to succeed in that case, though. and looping a few more times |
|
|
1288 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1289 | * in the unlikely event of having been preempted here. |
|
|
1290 | */ |
|
|
1291 | for (i = 4; --i; ) |
|
|
1292 | { |
|
|
1293 | rtmn_diff = ev_rt_now - mn_now; |
1493 | rtmn_diff = ev_rt_now - mn_now; |
1294 | |
1494 | |
1295 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1495 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1296 | return; /* all is well */ |
1496 | return; /* all is well */ |
1297 | |
1497 | |
1298 | ev_rt_now = ev_time (); |
1498 | ev_rt_now = ev_time (); |
1299 | mn_now = get_clock (); |
1499 | mn_now = get_clock (); |
1300 | now_floor = mn_now; |
1500 | now_floor = mn_now; |
1301 | } |
1501 | } |
1302 | |
1502 | |
1303 | # if EV_PERIODIC_ENABLE |
1503 | # if EV_PERIODIC_ENABLE |
1304 | periodics_reschedule (EV_A); |
1504 | periodics_reschedule (EV_A); |
1305 | # endif |
1505 | # endif |
1306 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1506 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1307 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1507 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1308 | } |
|
|
1309 | } |
1508 | } |
1310 | else |
1509 | else |
1311 | #endif |
1510 | #endif |
1312 | { |
1511 | { |
1313 | ev_rt_now = ev_time (); |
1512 | ev_rt_now = ev_time (); |
1314 | |
1513 | |
1315 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1514 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1316 | { |
1515 | { |
1317 | #if EV_PERIODIC_ENABLE |
1516 | #if EV_PERIODIC_ENABLE |
1318 | periodics_reschedule (EV_A); |
1517 | periodics_reschedule (EV_A); |
1319 | #endif |
1518 | #endif |
1320 | |
|
|
1321 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1519 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1322 | for (i = 0; i < timercnt; ++i) |
1520 | for (i = 0; i < timercnt; ++i) |
1323 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1521 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1324 | } |
1522 | } |
1325 | |
1523 | |
… | |
… | |
1369 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1567 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1370 | call_pending (EV_A); |
1568 | call_pending (EV_A); |
1371 | } |
1569 | } |
1372 | #endif |
1570 | #endif |
1373 | |
1571 | |
1374 | /* queue check watchers (and execute them) */ |
1572 | /* queue prepare watchers (and execute them) */ |
1375 | if (expect_false (preparecnt)) |
1573 | if (expect_false (preparecnt)) |
1376 | { |
1574 | { |
1377 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1575 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1378 | call_pending (EV_A); |
1576 | call_pending (EV_A); |
1379 | } |
1577 | } |
… | |
… | |
1388 | /* update fd-related kernel structures */ |
1586 | /* update fd-related kernel structures */ |
1389 | fd_reify (EV_A); |
1587 | fd_reify (EV_A); |
1390 | |
1588 | |
1391 | /* calculate blocking time */ |
1589 | /* calculate blocking time */ |
1392 | { |
1590 | { |
1393 | ev_tstamp block; |
1591 | ev_tstamp waittime = 0.; |
|
|
1592 | ev_tstamp sleeptime = 0.; |
1394 | |
1593 | |
1395 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1594 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1396 | block = 0.; /* do not block at all */ |
|
|
1397 | else |
|
|
1398 | { |
1595 | { |
1399 | /* update time to cancel out callback processing overhead */ |
1596 | /* update time to cancel out callback processing overhead */ |
1400 | #if EV_USE_MONOTONIC |
|
|
1401 | if (expect_true (have_monotonic)) |
|
|
1402 | time_update_monotonic (EV_A); |
1597 | time_update (EV_A_ 1e100); |
1403 | else |
|
|
1404 | #endif |
|
|
1405 | { |
|
|
1406 | ev_rt_now = ev_time (); |
|
|
1407 | mn_now = ev_rt_now; |
|
|
1408 | } |
|
|
1409 | |
1598 | |
1410 | block = MAX_BLOCKTIME; |
1599 | waittime = MAX_BLOCKTIME; |
1411 | |
1600 | |
1412 | if (timercnt) |
1601 | if (timercnt) |
1413 | { |
1602 | { |
1414 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1603 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1415 | if (block > to) block = to; |
1604 | if (waittime > to) waittime = to; |
1416 | } |
1605 | } |
1417 | |
1606 | |
1418 | #if EV_PERIODIC_ENABLE |
1607 | #if EV_PERIODIC_ENABLE |
1419 | if (periodiccnt) |
1608 | if (periodiccnt) |
1420 | { |
1609 | { |
1421 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1610 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1422 | if (block > to) block = to; |
1611 | if (waittime > to) waittime = to; |
1423 | } |
1612 | } |
1424 | #endif |
1613 | #endif |
1425 | |
1614 | |
1426 | if (expect_false (block < 0.)) block = 0.; |
1615 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1616 | waittime = timeout_blocktime; |
|
|
1617 | |
|
|
1618 | sleeptime = waittime - backend_fudge; |
|
|
1619 | |
|
|
1620 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1621 | sleeptime = io_blocktime; |
|
|
1622 | |
|
|
1623 | if (sleeptime) |
|
|
1624 | { |
|
|
1625 | ev_sleep (sleeptime); |
|
|
1626 | waittime -= sleeptime; |
|
|
1627 | } |
1427 | } |
1628 | } |
1428 | |
1629 | |
1429 | ++loop_count; |
1630 | ++loop_count; |
1430 | backend_poll (EV_A_ block); |
1631 | backend_poll (EV_A_ waittime); |
|
|
1632 | |
|
|
1633 | /* update ev_rt_now, do magic */ |
|
|
1634 | time_update (EV_A_ waittime + sleeptime); |
1431 | } |
1635 | } |
1432 | |
|
|
1433 | /* update ev_rt_now, do magic */ |
|
|
1434 | time_update (EV_A); |
|
|
1435 | |
1636 | |
1436 | /* queue pending timers and reschedule them */ |
1637 | /* queue pending timers and reschedule them */ |
1437 | timers_reify (EV_A); /* relative timers called last */ |
1638 | timers_reify (EV_A); /* relative timers called last */ |
1438 | #if EV_PERIODIC_ENABLE |
1639 | #if EV_PERIODIC_ENABLE |
1439 | periodics_reify (EV_A); /* absolute timers called first */ |
1640 | periodics_reify (EV_A); /* absolute timers called first */ |
1440 | #endif |
1641 | #endif |
1441 | |
1642 | |
|
|
1643 | #if EV_IDLE_ENABLE |
1442 | /* queue idle watchers unless other events are pending */ |
1644 | /* queue idle watchers unless other events are pending */ |
1443 | if (idlecnt && !any_pending (EV_A)) |
1645 | idle_reify (EV_A); |
1444 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1646 | #endif |
1445 | |
1647 | |
1446 | /* queue check watchers, to be executed first */ |
1648 | /* queue check watchers, to be executed first */ |
1447 | if (expect_false (checkcnt)) |
1649 | if (expect_false (checkcnt)) |
1448 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1650 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1449 | |
1651 | |
… | |
… | |
1485 | head = &(*head)->next; |
1687 | head = &(*head)->next; |
1486 | } |
1688 | } |
1487 | } |
1689 | } |
1488 | |
1690 | |
1489 | void inline_speed |
1691 | void inline_speed |
1490 | ev_clear_pending (EV_P_ W w) |
1692 | clear_pending (EV_P_ W w) |
1491 | { |
1693 | { |
1492 | if (w->pending) |
1694 | if (w->pending) |
1493 | { |
1695 | { |
1494 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1696 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1495 | w->pending = 0; |
1697 | w->pending = 0; |
1496 | } |
1698 | } |
1497 | } |
1699 | } |
1498 | |
1700 | |
|
|
1701 | int |
|
|
1702 | ev_clear_pending (EV_P_ void *w) |
|
|
1703 | { |
|
|
1704 | W w_ = (W)w; |
|
|
1705 | int pending = w_->pending; |
|
|
1706 | |
|
|
1707 | if (expect_true (pending)) |
|
|
1708 | { |
|
|
1709 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1710 | w_->pending = 0; |
|
|
1711 | p->w = 0; |
|
|
1712 | return p->events; |
|
|
1713 | } |
|
|
1714 | else |
|
|
1715 | return 0; |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void inline_size |
|
|
1719 | pri_adjust (EV_P_ W w) |
|
|
1720 | { |
|
|
1721 | int pri = w->priority; |
|
|
1722 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1723 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1724 | w->priority = pri; |
|
|
1725 | } |
|
|
1726 | |
1499 | void inline_speed |
1727 | void inline_speed |
1500 | ev_start (EV_P_ W w, int active) |
1728 | ev_start (EV_P_ W w, int active) |
1501 | { |
1729 | { |
1502 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1730 | pri_adjust (EV_A_ w); |
1503 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1504 | |
|
|
1505 | w->active = active; |
1731 | w->active = active; |
1506 | ev_ref (EV_A); |
1732 | ev_ref (EV_A); |
1507 | } |
1733 | } |
1508 | |
1734 | |
1509 | void inline_size |
1735 | void inline_size |
… | |
… | |
1513 | w->active = 0; |
1739 | w->active = 0; |
1514 | } |
1740 | } |
1515 | |
1741 | |
1516 | /*****************************************************************************/ |
1742 | /*****************************************************************************/ |
1517 | |
1743 | |
1518 | void |
1744 | void noinline |
1519 | ev_io_start (EV_P_ ev_io *w) |
1745 | ev_io_start (EV_P_ ev_io *w) |
1520 | { |
1746 | { |
1521 | int fd = w->fd; |
1747 | int fd = w->fd; |
1522 | |
1748 | |
1523 | if (expect_false (ev_is_active (w))) |
1749 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1525 | |
1751 | |
1526 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1752 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1527 | |
1753 | |
1528 | ev_start (EV_A_ (W)w, 1); |
1754 | ev_start (EV_A_ (W)w, 1); |
1529 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1755 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1530 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1756 | wlist_add (&anfds[fd].head, (WL)w); |
1531 | |
1757 | |
1532 | fd_change (EV_A_ fd); |
1758 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1759 | w->events &= ~EV_IOFDSET; |
1533 | } |
1760 | } |
1534 | |
1761 | |
1535 | void |
1762 | void noinline |
1536 | ev_io_stop (EV_P_ ev_io *w) |
1763 | ev_io_stop (EV_P_ ev_io *w) |
1537 | { |
1764 | { |
1538 | ev_clear_pending (EV_A_ (W)w); |
1765 | clear_pending (EV_A_ (W)w); |
1539 | if (expect_false (!ev_is_active (w))) |
1766 | if (expect_false (!ev_is_active (w))) |
1540 | return; |
1767 | return; |
1541 | |
1768 | |
1542 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1769 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1543 | |
1770 | |
1544 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1771 | wlist_del (&anfds[w->fd].head, (WL)w); |
1545 | ev_stop (EV_A_ (W)w); |
1772 | ev_stop (EV_A_ (W)w); |
1546 | |
1773 | |
1547 | fd_change (EV_A_ w->fd); |
1774 | fd_change (EV_A_ w->fd, 1); |
1548 | } |
1775 | } |
1549 | |
1776 | |
1550 | void |
1777 | void noinline |
1551 | ev_timer_start (EV_P_ ev_timer *w) |
1778 | ev_timer_start (EV_P_ ev_timer *w) |
1552 | { |
1779 | { |
1553 | if (expect_false (ev_is_active (w))) |
1780 | if (expect_false (ev_is_active (w))) |
1554 | return; |
1781 | return; |
1555 | |
1782 | |
1556 | ((WT)w)->at += mn_now; |
1783 | ((WT)w)->at += mn_now; |
1557 | |
1784 | |
1558 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1785 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1559 | |
1786 | |
1560 | ev_start (EV_A_ (W)w, ++timercnt); |
1787 | ev_start (EV_A_ (W)w, ++timercnt); |
1561 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1788 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1562 | timers [timercnt - 1] = w; |
1789 | timers [timercnt - 1] = (WT)w; |
1563 | upheap ((WT *)timers, timercnt - 1); |
1790 | upheap (timers, timercnt - 1); |
1564 | |
1791 | |
1565 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1792 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1566 | } |
1793 | } |
1567 | |
1794 | |
1568 | void |
1795 | void noinline |
1569 | ev_timer_stop (EV_P_ ev_timer *w) |
1796 | ev_timer_stop (EV_P_ ev_timer *w) |
1570 | { |
1797 | { |
1571 | ev_clear_pending (EV_A_ (W)w); |
1798 | clear_pending (EV_A_ (W)w); |
1572 | if (expect_false (!ev_is_active (w))) |
1799 | if (expect_false (!ev_is_active (w))) |
1573 | return; |
1800 | return; |
1574 | |
1801 | |
1575 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1802 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1576 | |
1803 | |
1577 | { |
1804 | { |
1578 | int active = ((W)w)->active; |
1805 | int active = ((W)w)->active; |
1579 | |
1806 | |
1580 | if (expect_true (--active < --timercnt)) |
1807 | if (expect_true (--active < --timercnt)) |
1581 | { |
1808 | { |
1582 | timers [active] = timers [timercnt]; |
1809 | timers [active] = timers [timercnt]; |
1583 | adjustheap ((WT *)timers, timercnt, active); |
1810 | adjustheap (timers, timercnt, active); |
1584 | } |
1811 | } |
1585 | } |
1812 | } |
1586 | |
1813 | |
1587 | ((WT)w)->at -= mn_now; |
1814 | ((WT)w)->at -= mn_now; |
1588 | |
1815 | |
1589 | ev_stop (EV_A_ (W)w); |
1816 | ev_stop (EV_A_ (W)w); |
1590 | } |
1817 | } |
1591 | |
1818 | |
1592 | void |
1819 | void noinline |
1593 | ev_timer_again (EV_P_ ev_timer *w) |
1820 | ev_timer_again (EV_P_ ev_timer *w) |
1594 | { |
1821 | { |
1595 | if (ev_is_active (w)) |
1822 | if (ev_is_active (w)) |
1596 | { |
1823 | { |
1597 | if (w->repeat) |
1824 | if (w->repeat) |
1598 | { |
1825 | { |
1599 | ((WT)w)->at = mn_now + w->repeat; |
1826 | ((WT)w)->at = mn_now + w->repeat; |
1600 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1827 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1601 | } |
1828 | } |
1602 | else |
1829 | else |
1603 | ev_timer_stop (EV_A_ w); |
1830 | ev_timer_stop (EV_A_ w); |
1604 | } |
1831 | } |
1605 | else if (w->repeat) |
1832 | else if (w->repeat) |
… | |
… | |
1608 | ev_timer_start (EV_A_ w); |
1835 | ev_timer_start (EV_A_ w); |
1609 | } |
1836 | } |
1610 | } |
1837 | } |
1611 | |
1838 | |
1612 | #if EV_PERIODIC_ENABLE |
1839 | #if EV_PERIODIC_ENABLE |
1613 | void |
1840 | void noinline |
1614 | ev_periodic_start (EV_P_ ev_periodic *w) |
1841 | ev_periodic_start (EV_P_ ev_periodic *w) |
1615 | { |
1842 | { |
1616 | if (expect_false (ev_is_active (w))) |
1843 | if (expect_false (ev_is_active (w))) |
1617 | return; |
1844 | return; |
1618 | |
1845 | |
… | |
… | |
1620 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1847 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1621 | else if (w->interval) |
1848 | else if (w->interval) |
1622 | { |
1849 | { |
1623 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1850 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1624 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1851 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1625 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1852 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1626 | } |
1853 | } |
|
|
1854 | else |
|
|
1855 | ((WT)w)->at = w->offset; |
1627 | |
1856 | |
1628 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1857 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1629 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1858 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1630 | periodics [periodiccnt - 1] = w; |
1859 | periodics [periodiccnt - 1] = (WT)w; |
1631 | upheap ((WT *)periodics, periodiccnt - 1); |
1860 | upheap (periodics, periodiccnt - 1); |
1632 | |
1861 | |
1633 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1862 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1634 | } |
1863 | } |
1635 | |
1864 | |
1636 | void |
1865 | void noinline |
1637 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1866 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1638 | { |
1867 | { |
1639 | ev_clear_pending (EV_A_ (W)w); |
1868 | clear_pending (EV_A_ (W)w); |
1640 | if (expect_false (!ev_is_active (w))) |
1869 | if (expect_false (!ev_is_active (w))) |
1641 | return; |
1870 | return; |
1642 | |
1871 | |
1643 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1872 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1644 | |
1873 | |
1645 | { |
1874 | { |
1646 | int active = ((W)w)->active; |
1875 | int active = ((W)w)->active; |
1647 | |
1876 | |
1648 | if (expect_true (--active < --periodiccnt)) |
1877 | if (expect_true (--active < --periodiccnt)) |
1649 | { |
1878 | { |
1650 | periodics [active] = periodics [periodiccnt]; |
1879 | periodics [active] = periodics [periodiccnt]; |
1651 | adjustheap ((WT *)periodics, periodiccnt, active); |
1880 | adjustheap (periodics, periodiccnt, active); |
1652 | } |
1881 | } |
1653 | } |
1882 | } |
1654 | |
1883 | |
1655 | ev_stop (EV_A_ (W)w); |
1884 | ev_stop (EV_A_ (W)w); |
1656 | } |
1885 | } |
1657 | |
1886 | |
1658 | void |
1887 | void noinline |
1659 | ev_periodic_again (EV_P_ ev_periodic *w) |
1888 | ev_periodic_again (EV_P_ ev_periodic *w) |
1660 | { |
1889 | { |
1661 | /* TODO: use adjustheap and recalculation */ |
1890 | /* TODO: use adjustheap and recalculation */ |
1662 | ev_periodic_stop (EV_A_ w); |
1891 | ev_periodic_stop (EV_A_ w); |
1663 | ev_periodic_start (EV_A_ w); |
1892 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1666 | |
1895 | |
1667 | #ifndef SA_RESTART |
1896 | #ifndef SA_RESTART |
1668 | # define SA_RESTART 0 |
1897 | # define SA_RESTART 0 |
1669 | #endif |
1898 | #endif |
1670 | |
1899 | |
1671 | void |
1900 | void noinline |
1672 | ev_signal_start (EV_P_ ev_signal *w) |
1901 | ev_signal_start (EV_P_ ev_signal *w) |
1673 | { |
1902 | { |
1674 | #if EV_MULTIPLICITY |
1903 | #if EV_MULTIPLICITY |
1675 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1904 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1676 | #endif |
1905 | #endif |
1677 | if (expect_false (ev_is_active (w))) |
1906 | if (expect_false (ev_is_active (w))) |
1678 | return; |
1907 | return; |
1679 | |
1908 | |
1680 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1909 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1681 | |
1910 | |
|
|
1911 | evpipe_init (EV_A); |
|
|
1912 | |
|
|
1913 | { |
|
|
1914 | #ifndef _WIN32 |
|
|
1915 | sigset_t full, prev; |
|
|
1916 | sigfillset (&full); |
|
|
1917 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1918 | #endif |
|
|
1919 | |
|
|
1920 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1921 | |
|
|
1922 | #ifndef _WIN32 |
|
|
1923 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1924 | #endif |
|
|
1925 | } |
|
|
1926 | |
1682 | ev_start (EV_A_ (W)w, 1); |
1927 | ev_start (EV_A_ (W)w, 1); |
1683 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1684 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1928 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1685 | |
1929 | |
1686 | if (!((WL)w)->next) |
1930 | if (!((WL)w)->next) |
1687 | { |
1931 | { |
1688 | #if _WIN32 |
1932 | #if _WIN32 |
1689 | signal (w->signum, sighandler); |
1933 | signal (w->signum, sighandler); |
… | |
… | |
1695 | sigaction (w->signum, &sa, 0); |
1939 | sigaction (w->signum, &sa, 0); |
1696 | #endif |
1940 | #endif |
1697 | } |
1941 | } |
1698 | } |
1942 | } |
1699 | |
1943 | |
1700 | void |
1944 | void noinline |
1701 | ev_signal_stop (EV_P_ ev_signal *w) |
1945 | ev_signal_stop (EV_P_ ev_signal *w) |
1702 | { |
1946 | { |
1703 | ev_clear_pending (EV_A_ (W)w); |
1947 | clear_pending (EV_A_ (W)w); |
1704 | if (expect_false (!ev_is_active (w))) |
1948 | if (expect_false (!ev_is_active (w))) |
1705 | return; |
1949 | return; |
1706 | |
1950 | |
1707 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1951 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1708 | ev_stop (EV_A_ (W)w); |
1952 | ev_stop (EV_A_ (W)w); |
1709 | |
1953 | |
1710 | if (!signals [w->signum - 1].head) |
1954 | if (!signals [w->signum - 1].head) |
1711 | signal (w->signum, SIG_DFL); |
1955 | signal (w->signum, SIG_DFL); |
1712 | } |
1956 | } |
… | |
… | |
1719 | #endif |
1963 | #endif |
1720 | if (expect_false (ev_is_active (w))) |
1964 | if (expect_false (ev_is_active (w))) |
1721 | return; |
1965 | return; |
1722 | |
1966 | |
1723 | ev_start (EV_A_ (W)w, 1); |
1967 | ev_start (EV_A_ (W)w, 1); |
1724 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1968 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1725 | } |
1969 | } |
1726 | |
1970 | |
1727 | void |
1971 | void |
1728 | ev_child_stop (EV_P_ ev_child *w) |
1972 | ev_child_stop (EV_P_ ev_child *w) |
1729 | { |
1973 | { |
1730 | ev_clear_pending (EV_A_ (W)w); |
1974 | clear_pending (EV_A_ (W)w); |
1731 | if (expect_false (!ev_is_active (w))) |
1975 | if (expect_false (!ev_is_active (w))) |
1732 | return; |
1976 | return; |
1733 | |
1977 | |
1734 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1978 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1735 | ev_stop (EV_A_ (W)w); |
1979 | ev_stop (EV_A_ (W)w); |
1736 | } |
1980 | } |
1737 | |
1981 | |
1738 | #if EV_STAT_ENABLE |
1982 | #if EV_STAT_ENABLE |
1739 | |
1983 | |
… | |
… | |
1971 | } |
2215 | } |
1972 | |
2216 | |
1973 | void |
2217 | void |
1974 | ev_stat_stop (EV_P_ ev_stat *w) |
2218 | ev_stat_stop (EV_P_ ev_stat *w) |
1975 | { |
2219 | { |
1976 | ev_clear_pending (EV_A_ (W)w); |
2220 | clear_pending (EV_A_ (W)w); |
1977 | if (expect_false (!ev_is_active (w))) |
2221 | if (expect_false (!ev_is_active (w))) |
1978 | return; |
2222 | return; |
1979 | |
2223 | |
1980 | #if EV_USE_INOTIFY |
2224 | #if EV_USE_INOTIFY |
1981 | infy_del (EV_A_ w); |
2225 | infy_del (EV_A_ w); |
… | |
… | |
1984 | |
2228 | |
1985 | ev_stop (EV_A_ (W)w); |
2229 | ev_stop (EV_A_ (W)w); |
1986 | } |
2230 | } |
1987 | #endif |
2231 | #endif |
1988 | |
2232 | |
|
|
2233 | #if EV_IDLE_ENABLE |
1989 | void |
2234 | void |
1990 | ev_idle_start (EV_P_ ev_idle *w) |
2235 | ev_idle_start (EV_P_ ev_idle *w) |
1991 | { |
2236 | { |
1992 | if (expect_false (ev_is_active (w))) |
2237 | if (expect_false (ev_is_active (w))) |
1993 | return; |
2238 | return; |
1994 | |
2239 | |
|
|
2240 | pri_adjust (EV_A_ (W)w); |
|
|
2241 | |
|
|
2242 | { |
|
|
2243 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2244 | |
|
|
2245 | ++idleall; |
1995 | ev_start (EV_A_ (W)w, ++idlecnt); |
2246 | ev_start (EV_A_ (W)w, active); |
|
|
2247 | |
1996 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2248 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1997 | idles [idlecnt - 1] = w; |
2249 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2250 | } |
1998 | } |
2251 | } |
1999 | |
2252 | |
2000 | void |
2253 | void |
2001 | ev_idle_stop (EV_P_ ev_idle *w) |
2254 | ev_idle_stop (EV_P_ ev_idle *w) |
2002 | { |
2255 | { |
2003 | ev_clear_pending (EV_A_ (W)w); |
2256 | clear_pending (EV_A_ (W)w); |
2004 | if (expect_false (!ev_is_active (w))) |
2257 | if (expect_false (!ev_is_active (w))) |
2005 | return; |
2258 | return; |
2006 | |
2259 | |
2007 | { |
2260 | { |
2008 | int active = ((W)w)->active; |
2261 | int active = ((W)w)->active; |
2009 | idles [active - 1] = idles [--idlecnt]; |
2262 | |
|
|
2263 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2010 | ((W)idles [active - 1])->active = active; |
2264 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2265 | |
|
|
2266 | ev_stop (EV_A_ (W)w); |
|
|
2267 | --idleall; |
2011 | } |
2268 | } |
2012 | |
|
|
2013 | ev_stop (EV_A_ (W)w); |
|
|
2014 | } |
2269 | } |
|
|
2270 | #endif |
2015 | |
2271 | |
2016 | void |
2272 | void |
2017 | ev_prepare_start (EV_P_ ev_prepare *w) |
2273 | ev_prepare_start (EV_P_ ev_prepare *w) |
2018 | { |
2274 | { |
2019 | if (expect_false (ev_is_active (w))) |
2275 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2025 | } |
2281 | } |
2026 | |
2282 | |
2027 | void |
2283 | void |
2028 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2284 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2029 | { |
2285 | { |
2030 | ev_clear_pending (EV_A_ (W)w); |
2286 | clear_pending (EV_A_ (W)w); |
2031 | if (expect_false (!ev_is_active (w))) |
2287 | if (expect_false (!ev_is_active (w))) |
2032 | return; |
2288 | return; |
2033 | |
2289 | |
2034 | { |
2290 | { |
2035 | int active = ((W)w)->active; |
2291 | int active = ((W)w)->active; |
… | |
… | |
2052 | } |
2308 | } |
2053 | |
2309 | |
2054 | void |
2310 | void |
2055 | ev_check_stop (EV_P_ ev_check *w) |
2311 | ev_check_stop (EV_P_ ev_check *w) |
2056 | { |
2312 | { |
2057 | ev_clear_pending (EV_A_ (W)w); |
2313 | clear_pending (EV_A_ (W)w); |
2058 | if (expect_false (!ev_is_active (w))) |
2314 | if (expect_false (!ev_is_active (w))) |
2059 | return; |
2315 | return; |
2060 | |
2316 | |
2061 | { |
2317 | { |
2062 | int active = ((W)w)->active; |
2318 | int active = ((W)w)->active; |
… | |
… | |
2069 | |
2325 | |
2070 | #if EV_EMBED_ENABLE |
2326 | #if EV_EMBED_ENABLE |
2071 | void noinline |
2327 | void noinline |
2072 | ev_embed_sweep (EV_P_ ev_embed *w) |
2328 | ev_embed_sweep (EV_P_ ev_embed *w) |
2073 | { |
2329 | { |
2074 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2330 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2075 | } |
2331 | } |
2076 | |
2332 | |
2077 | static void |
2333 | static void |
2078 | embed_cb (EV_P_ ev_io *io, int revents) |
2334 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2079 | { |
2335 | { |
2080 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2336 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2081 | |
2337 | |
2082 | if (ev_cb (w)) |
2338 | if (ev_cb (w)) |
2083 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2339 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2084 | else |
2340 | else |
2085 | ev_embed_sweep (loop, w); |
2341 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2086 | } |
2342 | } |
|
|
2343 | |
|
|
2344 | static void |
|
|
2345 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2346 | { |
|
|
2347 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2348 | |
|
|
2349 | { |
|
|
2350 | struct ev_loop *loop = w->other; |
|
|
2351 | |
|
|
2352 | while (fdchangecnt) |
|
|
2353 | { |
|
|
2354 | fd_reify (EV_A); |
|
|
2355 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2356 | } |
|
|
2357 | } |
|
|
2358 | } |
|
|
2359 | |
|
|
2360 | #if 0 |
|
|
2361 | static void |
|
|
2362 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2363 | { |
|
|
2364 | ev_idle_stop (EV_A_ idle); |
|
|
2365 | } |
|
|
2366 | #endif |
2087 | |
2367 | |
2088 | void |
2368 | void |
2089 | ev_embed_start (EV_P_ ev_embed *w) |
2369 | ev_embed_start (EV_P_ ev_embed *w) |
2090 | { |
2370 | { |
2091 | if (expect_false (ev_is_active (w))) |
2371 | if (expect_false (ev_is_active (w))) |
2092 | return; |
2372 | return; |
2093 | |
2373 | |
2094 | { |
2374 | { |
2095 | struct ev_loop *loop = w->loop; |
2375 | struct ev_loop *loop = w->other; |
2096 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2376 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2097 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2377 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2098 | } |
2378 | } |
2099 | |
2379 | |
2100 | ev_set_priority (&w->io, ev_priority (w)); |
2380 | ev_set_priority (&w->io, ev_priority (w)); |
2101 | ev_io_start (EV_A_ &w->io); |
2381 | ev_io_start (EV_A_ &w->io); |
2102 | |
2382 | |
|
|
2383 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2384 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2385 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2386 | |
|
|
2387 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2388 | |
2103 | ev_start (EV_A_ (W)w, 1); |
2389 | ev_start (EV_A_ (W)w, 1); |
2104 | } |
2390 | } |
2105 | |
2391 | |
2106 | void |
2392 | void |
2107 | ev_embed_stop (EV_P_ ev_embed *w) |
2393 | ev_embed_stop (EV_P_ ev_embed *w) |
2108 | { |
2394 | { |
2109 | ev_clear_pending (EV_A_ (W)w); |
2395 | clear_pending (EV_A_ (W)w); |
2110 | if (expect_false (!ev_is_active (w))) |
2396 | if (expect_false (!ev_is_active (w))) |
2111 | return; |
2397 | return; |
2112 | |
2398 | |
2113 | ev_io_stop (EV_A_ &w->io); |
2399 | ev_io_stop (EV_A_ &w->io); |
|
|
2400 | ev_prepare_stop (EV_A_ &w->prepare); |
2114 | |
2401 | |
2115 | ev_stop (EV_A_ (W)w); |
2402 | ev_stop (EV_A_ (W)w); |
2116 | } |
2403 | } |
2117 | #endif |
2404 | #endif |
2118 | |
2405 | |
… | |
… | |
2129 | } |
2416 | } |
2130 | |
2417 | |
2131 | void |
2418 | void |
2132 | ev_fork_stop (EV_P_ ev_fork *w) |
2419 | ev_fork_stop (EV_P_ ev_fork *w) |
2133 | { |
2420 | { |
2134 | ev_clear_pending (EV_A_ (W)w); |
2421 | clear_pending (EV_A_ (W)w); |
2135 | if (expect_false (!ev_is_active (w))) |
2422 | if (expect_false (!ev_is_active (w))) |
2136 | return; |
2423 | return; |
2137 | |
2424 | |
2138 | { |
2425 | { |
2139 | int active = ((W)w)->active; |
2426 | int active = ((W)w)->active; |
… | |
… | |
2143 | |
2430 | |
2144 | ev_stop (EV_A_ (W)w); |
2431 | ev_stop (EV_A_ (W)w); |
2145 | } |
2432 | } |
2146 | #endif |
2433 | #endif |
2147 | |
2434 | |
|
|
2435 | #if EV_ASYNC_ENABLE |
|
|
2436 | void |
|
|
2437 | ev_async_start (EV_P_ ev_async *w) |
|
|
2438 | { |
|
|
2439 | if (expect_false (ev_is_active (w))) |
|
|
2440 | return; |
|
|
2441 | |
|
|
2442 | evpipe_init (EV_A); |
|
|
2443 | |
|
|
2444 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2445 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2446 | asyncs [asynccnt - 1] = w; |
|
|
2447 | } |
|
|
2448 | |
|
|
2449 | void |
|
|
2450 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2451 | { |
|
|
2452 | clear_pending (EV_A_ (W)w); |
|
|
2453 | if (expect_false (!ev_is_active (w))) |
|
|
2454 | return; |
|
|
2455 | |
|
|
2456 | { |
|
|
2457 | int active = ((W)w)->active; |
|
|
2458 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2459 | ((W)asyncs [active - 1])->active = active; |
|
|
2460 | } |
|
|
2461 | |
|
|
2462 | ev_stop (EV_A_ (W)w); |
|
|
2463 | } |
|
|
2464 | |
|
|
2465 | void |
|
|
2466 | ev_async_send (EV_P_ ev_async *w) |
|
|
2467 | { |
|
|
2468 | w->sent = 1; |
|
|
2469 | evpipe_write (EV_A_ 0, 1); |
|
|
2470 | } |
|
|
2471 | #endif |
|
|
2472 | |
2148 | /*****************************************************************************/ |
2473 | /*****************************************************************************/ |
2149 | |
2474 | |
2150 | struct ev_once |
2475 | struct ev_once |
2151 | { |
2476 | { |
2152 | ev_io io; |
2477 | ev_io io; |
… | |
… | |
2207 | ev_timer_set (&once->to, timeout, 0.); |
2532 | ev_timer_set (&once->to, timeout, 0.); |
2208 | ev_timer_start (EV_A_ &once->to); |
2533 | ev_timer_start (EV_A_ &once->to); |
2209 | } |
2534 | } |
2210 | } |
2535 | } |
2211 | |
2536 | |
|
|
2537 | #if EV_MULTIPLICITY |
|
|
2538 | #include "ev_wrap.h" |
|
|
2539 | #endif |
|
|
2540 | |
2212 | #ifdef __cplusplus |
2541 | #ifdef __cplusplus |
2213 | } |
2542 | } |
2214 | #endif |
2543 | #endif |
2215 | |
2544 | |