1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 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 modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
|
|
48 | #if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
|
|
52 | #endif |
|
|
53 | |
48 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
49 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
50 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
51 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
52 | # define EV_USE_REALTIME 0 |
58 | # define EV_USE_REALTIME 0 |
53 | # endif |
59 | # endif |
54 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
55 | # define EV_USE_MONOTONIC 1 |
61 | # define EV_USE_MONOTONIC 1 |
56 | # endif |
62 | # endif |
57 | # endif |
63 | # endif |
58 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
64 | # elif !defined EV_USE_CLOCK_SYSCALL |
59 | # define EV_USE_CLOCK_SYSCALL 0 |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
60 | # endif |
66 | # endif |
61 | |
67 | |
62 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
63 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
… | |
… | |
156 | # define EV_USE_EVENTFD 0 |
162 | # define EV_USE_EVENTFD 0 |
157 | # endif |
163 | # endif |
158 | |
164 | |
159 | #endif |
165 | #endif |
160 | |
166 | |
161 | #include <math.h> |
|
|
162 | #include <stdlib.h> |
167 | #include <stdlib.h> |
163 | #include <string.h> |
168 | #include <string.h> |
164 | #include <fcntl.h> |
169 | #include <fcntl.h> |
165 | #include <stddef.h> |
170 | #include <stddef.h> |
166 | |
171 | |
… | |
… | |
178 | # include EV_H |
183 | # include EV_H |
179 | #else |
184 | #else |
180 | # include "ev.h" |
185 | # include "ev.h" |
181 | #endif |
186 | #endif |
182 | |
187 | |
183 | EV_CPP(extern "C" {) |
188 | #if EV_NO_THREADS |
|
|
189 | # undef EV_NO_SMP |
|
|
190 | # define EV_NO_SMP 1 |
|
|
191 | # undef ECB_NO_THREADS |
|
|
192 | # define ECB_NO_THREADS 1 |
|
|
193 | #endif |
|
|
194 | #if EV_NO_SMP |
|
|
195 | # undef EV_NO_SMP |
|
|
196 | # define ECB_NO_SMP 1 |
|
|
197 | #endif |
184 | |
198 | |
185 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
186 | # include <sys/time.h> |
200 | # include <sys/time.h> |
187 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
188 | # include <unistd.h> |
202 | # include <unistd.h> |
189 | #else |
203 | #else |
190 | # include <io.h> |
204 | # include <io.h> |
191 | # define WIN32_LEAN_AND_MEAN |
205 | # define WIN32_LEAN_AND_MEAN |
|
|
206 | # include <winsock2.h> |
192 | # include <windows.h> |
207 | # include <windows.h> |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
195 | # endif |
210 | # endif |
196 | # undef EV_AVOID_STDIO |
211 | # undef EV_AVOID_STDIO |
… | |
… | |
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
206 | |
221 | |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
208 | |
223 | |
209 | /* try to deduce the maximum number of signals on this platform */ |
224 | /* try to deduce the maximum number of signals on this platform */ |
210 | #if defined (EV_NSIG) |
225 | #if defined EV_NSIG |
211 | /* use what's provided */ |
226 | /* use what's provided */ |
212 | #elif defined (NSIG) |
227 | #elif defined NSIG |
213 | # define EV_NSIG (NSIG) |
228 | # define EV_NSIG (NSIG) |
214 | #elif defined(_NSIG) |
229 | #elif defined _NSIG |
215 | # define EV_NSIG (_NSIG) |
230 | # define EV_NSIG (_NSIG) |
216 | #elif defined (SIGMAX) |
231 | #elif defined SIGMAX |
217 | # define EV_NSIG (SIGMAX+1) |
232 | # define EV_NSIG (SIGMAX+1) |
218 | #elif defined (SIG_MAX) |
233 | #elif defined SIG_MAX |
219 | # define EV_NSIG (SIG_MAX+1) |
234 | # define EV_NSIG (SIG_MAX+1) |
220 | #elif defined (_SIG_MAX) |
235 | #elif defined _SIG_MAX |
221 | # define EV_NSIG (_SIG_MAX+1) |
236 | # define EV_NSIG (_SIG_MAX+1) |
222 | #elif defined (MAXSIG) |
237 | #elif defined MAXSIG |
223 | # define EV_NSIG (MAXSIG+1) |
238 | # define EV_NSIG (MAXSIG+1) |
224 | #elif defined (MAX_SIG) |
239 | #elif defined MAX_SIG |
225 | # define EV_NSIG (MAX_SIG+1) |
240 | # define EV_NSIG (MAX_SIG+1) |
226 | #elif defined (SIGARRAYSIZE) |
241 | #elif defined SIGARRAYSIZE |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
228 | #elif defined (_sys_nsig) |
243 | #elif defined _sys_nsig |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
230 | #else |
245 | #else |
231 | # error "unable to find value for NSIG, please report" |
246 | # define EV_NSIG (8 * sizeof (sigset_t) + 1) |
232 | /* to make it compile regardless, just remove the above line, */ |
247 | #endif |
233 | /* but consider reporting it, too! :) */ |
248 | |
234 | # define EV_NSIG 65 |
249 | #ifndef EV_USE_FLOOR |
|
|
250 | # define EV_USE_FLOOR 0 |
235 | #endif |
251 | #endif |
236 | |
252 | |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
253 | #ifndef EV_USE_CLOCK_SYSCALL |
238 | # if __linux && __GLIBC__ >= 2 |
254 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
255 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
240 | # else |
256 | # else |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
242 | # endif |
258 | # endif |
243 | #endif |
259 | #endif |
244 | |
260 | |
245 | #ifndef EV_USE_MONOTONIC |
261 | #ifndef EV_USE_MONOTONIC |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
263 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
248 | # else |
264 | # else |
249 | # define EV_USE_MONOTONIC 0 |
265 | # define EV_USE_MONOTONIC 0 |
250 | # endif |
266 | # endif |
251 | #endif |
267 | #endif |
… | |
… | |
338 | |
354 | |
339 | #ifndef EV_HEAP_CACHE_AT |
355 | #ifndef EV_HEAP_CACHE_AT |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
356 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
341 | #endif |
357 | #endif |
342 | |
358 | |
|
|
359 | #ifdef ANDROID |
|
|
360 | /* supposedly, android doesn't typedef fd_mask */ |
|
|
361 | # undef EV_USE_SELECT |
|
|
362 | # define EV_USE_SELECT 0 |
|
|
363 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
|
|
364 | # undef EV_USE_CLOCK_SYSCALL |
|
|
365 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
366 | #endif |
|
|
367 | |
|
|
368 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
369 | #ifdef _AIX |
|
|
370 | /* AIX has a completely broken poll.h header */ |
|
|
371 | # undef EV_USE_POLL |
|
|
372 | # define EV_USE_POLL 0 |
|
|
373 | #endif |
|
|
374 | |
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
375 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
376 | /* which makes programs even slower. might work on other unices, too. */ |
345 | #if EV_USE_CLOCK_SYSCALL |
377 | #if EV_USE_CLOCK_SYSCALL |
346 | # include <syscall.h> |
378 | # include <sys/syscall.h> |
347 | # ifdef SYS_clock_gettime |
379 | # ifdef SYS_clock_gettime |
348 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
380 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
349 | # undef EV_USE_MONOTONIC |
381 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 1 |
382 | # define EV_USE_MONOTONIC 1 |
351 | # else |
383 | # else |
… | |
… | |
354 | # endif |
386 | # endif |
355 | #endif |
387 | #endif |
356 | |
388 | |
357 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
389 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
358 | |
390 | |
359 | #ifdef _AIX |
|
|
360 | /* AIX has a completely broken poll.h header */ |
|
|
361 | # undef EV_USE_POLL |
|
|
362 | # define EV_USE_POLL 0 |
|
|
363 | #endif |
|
|
364 | |
|
|
365 | #ifndef CLOCK_MONOTONIC |
391 | #ifndef CLOCK_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
392 | # undef EV_USE_MONOTONIC |
367 | # define EV_USE_MONOTONIC 0 |
393 | # define EV_USE_MONOTONIC 0 |
368 | #endif |
394 | #endif |
369 | |
395 | |
… | |
… | |
377 | # define EV_USE_INOTIFY 0 |
403 | # define EV_USE_INOTIFY 0 |
378 | #endif |
404 | #endif |
379 | |
405 | |
380 | #if !EV_USE_NANOSLEEP |
406 | #if !EV_USE_NANOSLEEP |
381 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
407 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
382 | # if !defined(_WIN32) && !defined(__hpux) |
408 | # if !defined _WIN32 && !defined __hpux |
383 | # include <sys/select.h> |
409 | # include <sys/select.h> |
384 | # endif |
410 | # endif |
385 | #endif |
411 | #endif |
386 | |
412 | |
387 | #if EV_USE_INOTIFY |
413 | #if EV_USE_INOTIFY |
… | |
… | |
390 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
416 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
391 | # ifndef IN_DONT_FOLLOW |
417 | # ifndef IN_DONT_FOLLOW |
392 | # undef EV_USE_INOTIFY |
418 | # undef EV_USE_INOTIFY |
393 | # define EV_USE_INOTIFY 0 |
419 | # define EV_USE_INOTIFY 0 |
394 | # endif |
420 | # endif |
395 | #endif |
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396 | |
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397 | #if EV_SELECT_IS_WINSOCKET |
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|
398 | # include <winsock.h> |
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|
399 | #endif |
421 | #endif |
400 | |
422 | |
401 | #if EV_USE_EVENTFD |
423 | #if EV_USE_EVENTFD |
402 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
424 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
403 | # include <stdint.h> |
425 | # include <stdint.h> |
… | |
… | |
443 | #else |
465 | #else |
444 | # define EV_FREQUENT_CHECK do { } while (0) |
466 | # define EV_FREQUENT_CHECK do { } while (0) |
445 | #endif |
467 | #endif |
446 | |
468 | |
447 | /* |
469 | /* |
448 | * This is used to avoid floating point rounding problems. |
470 | * This is used to work around floating point rounding problems. |
449 | * It is added to ev_rt_now when scheduling periodics |
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450 | * to ensure progress, time-wise, even when rounding |
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451 | * errors are against us. |
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452 | * This value is good at least till the year 4000. |
471 | * This value is good at least till the year 4000. |
453 | * Better solutions welcome. |
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454 | */ |
472 | */ |
455 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
473 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
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474 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
456 | |
475 | |
457 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
476 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
458 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
477 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
459 | |
478 | |
460 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
479 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
461 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
480 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
462 | |
481 | |
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482 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
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483 | /* ECB.H BEGIN */ |
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484 | /* |
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485 | * libecb - http://software.schmorp.de/pkg/libecb |
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486 | * |
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487 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
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488 | * Copyright (©) 2011 Emanuele Giaquinta |
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489 | * All rights reserved. |
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490 | * |
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491 | * Redistribution and use in source and binary forms, with or without modifica- |
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492 | * tion, are permitted provided that the following conditions are met: |
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493 | * |
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494 | * 1. Redistributions of source code must retain the above copyright notice, |
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495 | * this list of conditions and the following disclaimer. |
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496 | * |
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497 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
498 | * notice, this list of conditions and the following disclaimer in the |
|
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499 | * documentation and/or other materials provided with the distribution. |
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500 | * |
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501 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
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502 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
503 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
504 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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505 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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506 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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507 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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508 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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509 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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510 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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511 | */ |
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512 | |
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513 | #ifndef ECB_H |
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514 | #define ECB_H |
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515 | |
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516 | /* 16 bits major, 16 bits minor */ |
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517 | #define ECB_VERSION 0x00010003 |
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518 | |
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519 | #ifdef _WIN32 |
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520 | typedef signed char int8_t; |
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521 | typedef unsigned char uint8_t; |
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522 | typedef signed short int16_t; |
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523 | typedef unsigned short uint16_t; |
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524 | typedef signed int int32_t; |
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525 | typedef unsigned int uint32_t; |
463 | #if __GNUC__ >= 4 |
526 | #if __GNUC__ |
464 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
527 | typedef signed long long int64_t; |
465 | # define noinline __attribute__ ((noinline)) |
528 | typedef unsigned long long uint64_t; |
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529 | #else /* _MSC_VER || __BORLANDC__ */ |
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530 | typedef signed __int64 int64_t; |
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531 | typedef unsigned __int64 uint64_t; |
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532 | #endif |
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533 | #ifdef _WIN64 |
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534 | #define ECB_PTRSIZE 8 |
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535 | typedef uint64_t uintptr_t; |
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536 | typedef int64_t intptr_t; |
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|
537 | #else |
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538 | #define ECB_PTRSIZE 4 |
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539 | typedef uint32_t uintptr_t; |
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540 | typedef int32_t intptr_t; |
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|
541 | #endif |
466 | #else |
542 | #else |
467 | # define expect(expr,value) (expr) |
543 | #include <inttypes.h> |
468 | # define noinline |
544 | #if UINTMAX_MAX > 0xffffffffU |
469 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
545 | #define ECB_PTRSIZE 8 |
470 | # define inline |
546 | #else |
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547 | #define ECB_PTRSIZE 4 |
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548 | #endif |
471 | # endif |
549 | #endif |
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550 | |
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551 | /* work around x32 idiocy by defining proper macros */ |
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552 | #if __x86_64 || _M_AMD64 |
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553 | #if _ILP32 |
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554 | #define ECB_AMD64_X32 1 |
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555 | #else |
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556 | #define ECB_AMD64 1 |
472 | #endif |
557 | #endif |
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558 | #endif |
473 | |
559 | |
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560 | /* many compilers define _GNUC_ to some versions but then only implement |
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561 | * what their idiot authors think are the "more important" extensions, |
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562 | * causing enormous grief in return for some better fake benchmark numbers. |
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563 | * or so. |
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564 | * we try to detect these and simply assume they are not gcc - if they have |
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565 | * an issue with that they should have done it right in the first place. |
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566 | */ |
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567 | #ifndef ECB_GCC_VERSION |
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568 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
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569 | #define ECB_GCC_VERSION(major,minor) 0 |
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570 | #else |
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571 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
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572 | #endif |
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573 | #endif |
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574 | |
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575 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
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576 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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577 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
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578 | #define ECB_CPP (__cplusplus+0) |
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579 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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580 | |
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|
581 | #if ECB_CPP |
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582 | #define ECB_EXTERN_C extern "C" |
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583 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
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584 | #define ECB_EXTERN_C_END } |
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585 | #else |
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586 | #define ECB_EXTERN_C extern |
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587 | #define ECB_EXTERN_C_BEG |
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|
588 | #define ECB_EXTERN_C_END |
|
|
589 | #endif |
|
|
590 | |
|
|
591 | /*****************************************************************************/ |
|
|
592 | |
|
|
593 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
594 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
595 | |
|
|
596 | #if ECB_NO_THREADS |
|
|
597 | #define ECB_NO_SMP 1 |
|
|
598 | #endif |
|
|
599 | |
|
|
600 | #if ECB_NO_SMP |
|
|
601 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
602 | #endif |
|
|
603 | |
|
|
604 | #ifndef ECB_MEMORY_FENCE |
|
|
605 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
606 | #if __i386 || __i386__ |
|
|
607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
608 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
609 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
610 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
|
|
611 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
612 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
613 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
614 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
616 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
|
|
617 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
|
|
618 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
619 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
|
|
620 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
|
|
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
622 | #elif __sparc || __sparc__ |
|
|
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
624 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
625 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
626 | #elif defined __s390__ || defined __s390x__ |
|
|
627 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
628 | #elif defined __mips__ |
|
|
629 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
630 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
631 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
632 | #elif defined __alpha__ |
|
|
633 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
634 | #elif defined __hppa__ |
|
|
635 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
636 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
637 | #elif defined __ia64__ |
|
|
638 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
639 | #elif defined __m68k__ |
|
|
640 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
641 | #elif defined __m88k__ |
|
|
642 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
643 | #elif defined __sh__ |
|
|
644 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
645 | #endif |
|
|
646 | #endif |
|
|
647 | #endif |
|
|
648 | |
|
|
649 | #ifndef ECB_MEMORY_FENCE |
|
|
650 | #if ECB_GCC_VERSION(4,7) |
|
|
651 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
652 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
653 | |
|
|
654 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
|
|
655 | * without risking compile time errors with other compilers. We *could* |
|
|
656 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
657 | * around this shit time and again. |
|
|
658 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
659 | * // see comment below (stdatomic.h) about the C11 memory model. |
|
|
660 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
661 | */ |
|
|
662 | |
|
|
663 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
|
|
664 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
665 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
666 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
667 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
668 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
669 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
670 | #elif defined _WIN32 |
|
|
671 | #include <WinNT.h> |
|
|
672 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
673 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
674 | #include <mbarrier.h> |
|
|
675 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
676 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
677 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
678 | #elif __xlC__ |
|
|
679 | #define ECB_MEMORY_FENCE __sync () |
|
|
680 | #endif |
|
|
681 | #endif |
|
|
682 | |
|
|
683 | #ifndef ECB_MEMORY_FENCE |
|
|
684 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
685 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
686 | /* not just C11 atomics and atomic accesses */ |
|
|
687 | #include <stdatomic.h> |
|
|
688 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
689 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
690 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
691 | /* for most usages, or gcc and clang have a bug */ |
|
|
692 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
693 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
694 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
695 | #endif |
|
|
696 | #endif |
|
|
697 | |
|
|
698 | #ifndef ECB_MEMORY_FENCE |
|
|
699 | #if !ECB_AVOID_PTHREADS |
|
|
700 | /* |
|
|
701 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
702 | * or failure to find pthread.h, then you should implement |
|
|
703 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
704 | * OR provide pthread.h and link against the posix thread library |
|
|
705 | * of your system. |
|
|
706 | */ |
|
|
707 | #include <pthread.h> |
|
|
708 | #define ECB_NEEDS_PTHREADS 1 |
|
|
709 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
710 | |
|
|
711 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
712 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
713 | #endif |
|
|
714 | #endif |
|
|
715 | |
|
|
716 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
|
|
717 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
718 | #endif |
|
|
719 | |
|
|
720 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
|
|
721 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | /*****************************************************************************/ |
|
|
725 | |
|
|
726 | #if __cplusplus |
|
|
727 | #define ecb_inline static inline |
|
|
728 | #elif ECB_GCC_VERSION(2,5) |
|
|
729 | #define ecb_inline static __inline__ |
|
|
730 | #elif ECB_C99 |
|
|
731 | #define ecb_inline static inline |
|
|
732 | #else |
|
|
733 | #define ecb_inline static |
|
|
734 | #endif |
|
|
735 | |
|
|
736 | #if ECB_GCC_VERSION(3,3) |
|
|
737 | #define ecb_restrict __restrict__ |
|
|
738 | #elif ECB_C99 |
|
|
739 | #define ecb_restrict restrict |
|
|
740 | #else |
|
|
741 | #define ecb_restrict |
|
|
742 | #endif |
|
|
743 | |
|
|
744 | typedef int ecb_bool; |
|
|
745 | |
|
|
746 | #define ECB_CONCAT_(a, b) a ## b |
|
|
747 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
748 | #define ECB_STRINGIFY_(a) # a |
|
|
749 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
750 | |
|
|
751 | #define ecb_function_ ecb_inline |
|
|
752 | |
|
|
753 | #if ECB_GCC_VERSION(3,1) |
|
|
754 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
755 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
756 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
757 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
758 | #else |
|
|
759 | #define ecb_attribute(attrlist) |
|
|
760 | #define ecb_is_constant(expr) 0 |
|
|
761 | #define ecb_expect(expr,value) (expr) |
|
|
762 | #define ecb_prefetch(addr,rw,locality) |
|
|
763 | #endif |
|
|
764 | |
|
|
765 | /* no emulation for ecb_decltype */ |
|
|
766 | #if ECB_GCC_VERSION(4,5) |
|
|
767 | #define ecb_decltype(x) __decltype(x) |
|
|
768 | #elif ECB_GCC_VERSION(3,0) |
|
|
769 | #define ecb_decltype(x) __typeof(x) |
|
|
770 | #endif |
|
|
771 | |
|
|
772 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
773 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
774 | #define ecb_const ecb_attribute ((__const__)) |
|
|
775 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
776 | |
|
|
777 | #if ECB_C11 |
|
|
778 | #define ecb_noreturn _Noreturn |
|
|
779 | #else |
|
|
780 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
781 | #endif |
|
|
782 | |
|
|
783 | #if ECB_GCC_VERSION(4,3) |
|
|
784 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
785 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
786 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
787 | #else |
|
|
788 | #define ecb_artificial |
|
|
789 | #define ecb_hot |
|
|
790 | #define ecb_cold |
|
|
791 | #endif |
|
|
792 | |
|
|
793 | /* put around conditional expressions if you are very sure that the */ |
|
|
794 | /* expression is mostly true or mostly false. note that these return */ |
|
|
795 | /* booleans, not the expression. */ |
474 | #define expect_false(expr) expect ((expr) != 0, 0) |
796 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
475 | #define expect_true(expr) expect ((expr) != 0, 1) |
797 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
798 | /* for compatibility to the rest of the world */ |
|
|
799 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
800 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
801 | |
|
|
802 | /* count trailing zero bits and count # of one bits */ |
|
|
803 | #if ECB_GCC_VERSION(3,4) |
|
|
804 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
805 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
806 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
807 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
808 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
809 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
810 | /* no popcountll */ |
|
|
811 | #else |
|
|
812 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
813 | ecb_function_ int |
|
|
814 | ecb_ctz32 (uint32_t x) |
|
|
815 | { |
|
|
816 | int r = 0; |
|
|
817 | |
|
|
818 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
819 | |
|
|
820 | #if ECB_branchless_on_i386 |
|
|
821 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
822 | r += !!(x & 0xcccccccc) << 1; |
|
|
823 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
824 | r += !!(x & 0xff00ff00) << 3; |
|
|
825 | r += !!(x & 0xffff0000) << 4; |
|
|
826 | #else |
|
|
827 | if (x & 0xaaaaaaaa) r += 1; |
|
|
828 | if (x & 0xcccccccc) r += 2; |
|
|
829 | if (x & 0xf0f0f0f0) r += 4; |
|
|
830 | if (x & 0xff00ff00) r += 8; |
|
|
831 | if (x & 0xffff0000) r += 16; |
|
|
832 | #endif |
|
|
833 | |
|
|
834 | return r; |
|
|
835 | } |
|
|
836 | |
|
|
837 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
838 | ecb_function_ int |
|
|
839 | ecb_ctz64 (uint64_t x) |
|
|
840 | { |
|
|
841 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
842 | return ecb_ctz32 (x >> shift) + shift; |
|
|
843 | } |
|
|
844 | |
|
|
845 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
846 | ecb_function_ int |
|
|
847 | ecb_popcount32 (uint32_t x) |
|
|
848 | { |
|
|
849 | x -= (x >> 1) & 0x55555555; |
|
|
850 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
851 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
852 | x *= 0x01010101; |
|
|
853 | |
|
|
854 | return x >> 24; |
|
|
855 | } |
|
|
856 | |
|
|
857 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
858 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
859 | { |
|
|
860 | int r = 0; |
|
|
861 | |
|
|
862 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
863 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
864 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
865 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
866 | if (x >> 1) { r += 1; } |
|
|
867 | |
|
|
868 | return r; |
|
|
869 | } |
|
|
870 | |
|
|
871 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
872 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
873 | { |
|
|
874 | int r = 0; |
|
|
875 | |
|
|
876 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
877 | |
|
|
878 | return r + ecb_ld32 (x); |
|
|
879 | } |
|
|
880 | #endif |
|
|
881 | |
|
|
882 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
883 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
884 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
885 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
886 | |
|
|
887 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
888 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
889 | { |
|
|
890 | return ( (x * 0x0802U & 0x22110U) |
|
|
891 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
892 | } |
|
|
893 | |
|
|
894 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
895 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
896 | { |
|
|
897 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
898 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
899 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
900 | x = ( x >> 8 ) | ( x << 8); |
|
|
901 | |
|
|
902 | return x; |
|
|
903 | } |
|
|
904 | |
|
|
905 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
906 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
907 | { |
|
|
908 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
909 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
910 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
911 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
912 | x = ( x >> 16 ) | ( x << 16); |
|
|
913 | |
|
|
914 | return x; |
|
|
915 | } |
|
|
916 | |
|
|
917 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
918 | /* so for this version we are lazy */ |
|
|
919 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
920 | ecb_function_ int |
|
|
921 | ecb_popcount64 (uint64_t x) |
|
|
922 | { |
|
|
923 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
924 | } |
|
|
925 | |
|
|
926 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
927 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
928 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
929 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
930 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
931 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
932 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
933 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
934 | |
|
|
935 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
936 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
937 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
938 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
939 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
940 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
941 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
942 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
943 | |
|
|
944 | #if ECB_GCC_VERSION(4,3) |
|
|
945 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
946 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
947 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
948 | #else |
|
|
949 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
950 | ecb_function_ uint16_t |
|
|
951 | ecb_bswap16 (uint16_t x) |
|
|
952 | { |
|
|
953 | return ecb_rotl16 (x, 8); |
|
|
954 | } |
|
|
955 | |
|
|
956 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
957 | ecb_function_ uint32_t |
|
|
958 | ecb_bswap32 (uint32_t x) |
|
|
959 | { |
|
|
960 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
961 | } |
|
|
962 | |
|
|
963 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
964 | ecb_function_ uint64_t |
|
|
965 | ecb_bswap64 (uint64_t x) |
|
|
966 | { |
|
|
967 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
968 | } |
|
|
969 | #endif |
|
|
970 | |
|
|
971 | #if ECB_GCC_VERSION(4,5) |
|
|
972 | #define ecb_unreachable() __builtin_unreachable () |
|
|
973 | #else |
|
|
974 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
975 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
|
|
976 | ecb_inline void ecb_unreachable (void) { } |
|
|
977 | #endif |
|
|
978 | |
|
|
979 | /* try to tell the compiler that some condition is definitely true */ |
|
|
980 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
|
|
981 | |
|
|
982 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
983 | ecb_inline unsigned char |
|
|
984 | ecb_byteorder_helper (void) |
|
|
985 | { |
|
|
986 | /* the union code still generates code under pressure in gcc, */ |
|
|
987 | /* but less than using pointers, and always seems to */ |
|
|
988 | /* successfully return a constant. */ |
|
|
989 | /* the reason why we have this horrible preprocessor mess */ |
|
|
990 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
991 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
992 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
993 | return 0x44; |
|
|
994 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|
|
995 | return 0x44; |
|
|
996 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|
|
997 | return 0x11; |
|
|
998 | #else |
|
|
999 | union |
|
|
1000 | { |
|
|
1001 | uint32_t i; |
|
|
1002 | uint8_t c; |
|
|
1003 | } u = { 0x11223344 }; |
|
|
1004 | return u.c; |
|
|
1005 | #endif |
|
|
1006 | } |
|
|
1007 | |
|
|
1008 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
|
|
1009 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
1010 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
|
|
1011 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
1012 | |
|
|
1013 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
1014 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
1015 | #else |
|
|
1016 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
1017 | #endif |
|
|
1018 | |
|
|
1019 | #if __cplusplus |
|
|
1020 | template<typename T> |
|
|
1021 | static inline T ecb_div_rd (T val, T div) |
|
|
1022 | { |
|
|
1023 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
1024 | } |
|
|
1025 | template<typename T> |
|
|
1026 | static inline T ecb_div_ru (T val, T div) |
|
|
1027 | { |
|
|
1028 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
1029 | } |
|
|
1030 | #else |
|
|
1031 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
1032 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
1033 | #endif |
|
|
1034 | |
|
|
1035 | #if ecb_cplusplus_does_not_suck |
|
|
1036 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
1037 | template<typename T, int N> |
|
|
1038 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
1039 | { |
|
|
1040 | return N; |
|
|
1041 | } |
|
|
1042 | #else |
|
|
1043 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
1044 | #endif |
|
|
1045 | |
|
|
1046 | /*******************************************************************************/ |
|
|
1047 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1048 | |
|
|
1049 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1050 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1051 | #if 0 \ |
|
|
1052 | || __i386 || __i386__ \ |
|
|
1053 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
|
|
1054 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1055 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1056 | || defined __s390__ || defined __s390x__ \ |
|
|
1057 | || defined __mips__ \ |
|
|
1058 | || defined __alpha__ \ |
|
|
1059 | || defined __hppa__ \ |
|
|
1060 | || defined __ia64__ \ |
|
|
1061 | || defined __m68k__ \ |
|
|
1062 | || defined __m88k__ \ |
|
|
1063 | || defined __sh__ \ |
|
|
1064 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
|
|
1065 | #define ECB_STDFP 1 |
|
|
1066 | #include <string.h> /* for memcpy */ |
|
|
1067 | #else |
|
|
1068 | #define ECB_STDFP 0 |
|
|
1069 | #endif |
|
|
1070 | |
|
|
1071 | #ifndef ECB_NO_LIBM |
|
|
1072 | |
|
|
1073 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1074 | |
|
|
1075 | #ifdef NEN |
|
|
1076 | #define ECB_NAN NAN |
|
|
1077 | #else |
|
|
1078 | #define ECB_NAN INFINITY |
|
|
1079 | #endif |
|
|
1080 | |
|
|
1081 | /* converts an ieee half/binary16 to a float */ |
|
|
1082 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
|
|
1083 | ecb_function_ float |
|
|
1084 | ecb_binary16_to_float (uint16_t x) |
|
|
1085 | { |
|
|
1086 | int e = (x >> 10) & 0x1f; |
|
|
1087 | int m = x & 0x3ff; |
|
|
1088 | float r; |
|
|
1089 | |
|
|
1090 | if (!e ) r = ldexpf (m , -24); |
|
|
1091 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1092 | else if (m ) r = ECB_NAN; |
|
|
1093 | else r = INFINITY; |
|
|
1094 | |
|
|
1095 | return x & 0x8000 ? -r : r; |
|
|
1096 | } |
|
|
1097 | |
|
|
1098 | /* convert a float to ieee single/binary32 */ |
|
|
1099 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
|
|
1100 | ecb_function_ uint32_t |
|
|
1101 | ecb_float_to_binary32 (float x) |
|
|
1102 | { |
|
|
1103 | uint32_t r; |
|
|
1104 | |
|
|
1105 | #if ECB_STDFP |
|
|
1106 | memcpy (&r, &x, 4); |
|
|
1107 | #else |
|
|
1108 | /* slow emulation, works for anything but -0 */ |
|
|
1109 | uint32_t m; |
|
|
1110 | int e; |
|
|
1111 | |
|
|
1112 | if (x == 0e0f ) return 0x00000000U; |
|
|
1113 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1114 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1115 | if (x != x ) return 0x7fbfffffU; |
|
|
1116 | |
|
|
1117 | m = frexpf (x, &e) * 0x1000000U; |
|
|
1118 | |
|
|
1119 | r = m & 0x80000000U; |
|
|
1120 | |
|
|
1121 | if (r) |
|
|
1122 | m = -m; |
|
|
1123 | |
|
|
1124 | if (e <= -126) |
|
|
1125 | { |
|
|
1126 | m &= 0xffffffU; |
|
|
1127 | m >>= (-125 - e); |
|
|
1128 | e = -126; |
|
|
1129 | } |
|
|
1130 | |
|
|
1131 | r |= (e + 126) << 23; |
|
|
1132 | r |= m & 0x7fffffU; |
|
|
1133 | #endif |
|
|
1134 | |
|
|
1135 | return r; |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | /* converts an ieee single/binary32 to a float */ |
|
|
1139 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
|
|
1140 | ecb_function_ float |
|
|
1141 | ecb_binary32_to_float (uint32_t x) |
|
|
1142 | { |
|
|
1143 | float r; |
|
|
1144 | |
|
|
1145 | #if ECB_STDFP |
|
|
1146 | memcpy (&r, &x, 4); |
|
|
1147 | #else |
|
|
1148 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1149 | int neg = x >> 31; |
|
|
1150 | int e = (x >> 23) & 0xffU; |
|
|
1151 | |
|
|
1152 | x &= 0x7fffffU; |
|
|
1153 | |
|
|
1154 | if (e) |
|
|
1155 | x |= 0x800000U; |
|
|
1156 | else |
|
|
1157 | e = 1; |
|
|
1158 | |
|
|
1159 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1160 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1161 | |
|
|
1162 | r = neg ? -r : r; |
|
|
1163 | #endif |
|
|
1164 | |
|
|
1165 | return r; |
|
|
1166 | } |
|
|
1167 | |
|
|
1168 | /* convert a double to ieee double/binary64 */ |
|
|
1169 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
|
|
1170 | ecb_function_ uint64_t |
|
|
1171 | ecb_double_to_binary64 (double x) |
|
|
1172 | { |
|
|
1173 | uint64_t r; |
|
|
1174 | |
|
|
1175 | #if ECB_STDFP |
|
|
1176 | memcpy (&r, &x, 8); |
|
|
1177 | #else |
|
|
1178 | /* slow emulation, works for anything but -0 */ |
|
|
1179 | uint64_t m; |
|
|
1180 | int e; |
|
|
1181 | |
|
|
1182 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1183 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1184 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1185 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1186 | |
|
|
1187 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1188 | |
|
|
1189 | r = m & 0x8000000000000000;; |
|
|
1190 | |
|
|
1191 | if (r) |
|
|
1192 | m = -m; |
|
|
1193 | |
|
|
1194 | if (e <= -1022) |
|
|
1195 | { |
|
|
1196 | m &= 0x1fffffffffffffU; |
|
|
1197 | m >>= (-1021 - e); |
|
|
1198 | e = -1022; |
|
|
1199 | } |
|
|
1200 | |
|
|
1201 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1202 | r |= m & 0xfffffffffffffU; |
|
|
1203 | #endif |
|
|
1204 | |
|
|
1205 | return r; |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | /* converts an ieee double/binary64 to a double */ |
|
|
1209 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
|
|
1210 | ecb_function_ double |
|
|
1211 | ecb_binary64_to_double (uint64_t x) |
|
|
1212 | { |
|
|
1213 | double r; |
|
|
1214 | |
|
|
1215 | #if ECB_STDFP |
|
|
1216 | memcpy (&r, &x, 8); |
|
|
1217 | #else |
|
|
1218 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1219 | int neg = x >> 63; |
|
|
1220 | int e = (x >> 52) & 0x7ffU; |
|
|
1221 | |
|
|
1222 | x &= 0xfffffffffffffU; |
|
|
1223 | |
|
|
1224 | if (e) |
|
|
1225 | x |= 0x10000000000000U; |
|
|
1226 | else |
|
|
1227 | e = 1; |
|
|
1228 | |
|
|
1229 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1230 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1231 | |
|
|
1232 | r = neg ? -r : r; |
|
|
1233 | #endif |
|
|
1234 | |
|
|
1235 | return r; |
|
|
1236 | } |
|
|
1237 | |
|
|
1238 | #endif |
|
|
1239 | |
|
|
1240 | #endif |
|
|
1241 | |
|
|
1242 | /* ECB.H END */ |
|
|
1243 | |
|
|
1244 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
1245 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
1246 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
1247 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
1248 | * libev, in which cases the memory fences become nops. |
|
|
1249 | * alternatively, you can remove this #error and link against libpthread, |
|
|
1250 | * which will then provide the memory fences. |
|
|
1251 | */ |
|
|
1252 | # error "memory fences not defined for your architecture, please report" |
|
|
1253 | #endif |
|
|
1254 | |
|
|
1255 | #ifndef ECB_MEMORY_FENCE |
|
|
1256 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
1257 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
1258 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
1259 | #endif |
|
|
1260 | |
|
|
1261 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1262 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1263 | #define noinline ecb_noinline |
|
|
1264 | |
476 | #define inline_size static inline |
1265 | #define inline_size ecb_inline |
477 | |
1266 | |
478 | #if EV_FEATURE_CODE |
1267 | #if EV_FEATURE_CODE |
479 | # define inline_speed static inline |
1268 | # define inline_speed ecb_inline |
480 | #else |
1269 | #else |
481 | # define inline_speed static noinline |
1270 | # define inline_speed static noinline |
482 | #endif |
1271 | #endif |
483 | |
1272 | |
484 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1273 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
… | |
… | |
523 | # include "ev_win32.c" |
1312 | # include "ev_win32.c" |
524 | #endif |
1313 | #endif |
525 | |
1314 | |
526 | /*****************************************************************************/ |
1315 | /*****************************************************************************/ |
527 | |
1316 | |
|
|
1317 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
1318 | |
|
|
1319 | #if EV_USE_FLOOR |
|
|
1320 | # include <math.h> |
|
|
1321 | # define ev_floor(v) floor (v) |
|
|
1322 | #else |
|
|
1323 | |
|
|
1324 | #include <float.h> |
|
|
1325 | |
|
|
1326 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1327 | static ev_tstamp noinline |
|
|
1328 | ev_floor (ev_tstamp v) |
|
|
1329 | { |
|
|
1330 | /* the choice of shift factor is not terribly important */ |
|
|
1331 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
1332 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
1333 | #else |
|
|
1334 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
1335 | #endif |
|
|
1336 | |
|
|
1337 | /* argument too large for an unsigned long? */ |
|
|
1338 | if (expect_false (v >= shift)) |
|
|
1339 | { |
|
|
1340 | ev_tstamp f; |
|
|
1341 | |
|
|
1342 | if (v == v - 1.) |
|
|
1343 | return v; /* very large number */ |
|
|
1344 | |
|
|
1345 | f = shift * ev_floor (v * (1. / shift)); |
|
|
1346 | return f + ev_floor (v - f); |
|
|
1347 | } |
|
|
1348 | |
|
|
1349 | /* special treatment for negative args? */ |
|
|
1350 | if (expect_false (v < 0.)) |
|
|
1351 | { |
|
|
1352 | ev_tstamp f = -ev_floor (-v); |
|
|
1353 | |
|
|
1354 | return f - (f == v ? 0 : 1); |
|
|
1355 | } |
|
|
1356 | |
|
|
1357 | /* fits into an unsigned long */ |
|
|
1358 | return (unsigned long)v; |
|
|
1359 | } |
|
|
1360 | |
|
|
1361 | #endif |
|
|
1362 | |
|
|
1363 | /*****************************************************************************/ |
|
|
1364 | |
528 | #ifdef __linux |
1365 | #ifdef __linux |
529 | # include <sys/utsname.h> |
1366 | # include <sys/utsname.h> |
530 | #endif |
1367 | #endif |
531 | |
1368 | |
532 | static unsigned int noinline |
1369 | static unsigned int noinline ecb_cold |
533 | ev_linux_version (void) |
1370 | ev_linux_version (void) |
534 | { |
1371 | { |
535 | #ifdef __linux |
1372 | #ifdef __linux |
536 | unsigned int v = 0; |
1373 | unsigned int v = 0; |
537 | struct utsname buf; |
1374 | struct utsname buf; |
… | |
… | |
566 | } |
1403 | } |
567 | |
1404 | |
568 | /*****************************************************************************/ |
1405 | /*****************************************************************************/ |
569 | |
1406 | |
570 | #if EV_AVOID_STDIO |
1407 | #if EV_AVOID_STDIO |
571 | static void noinline |
1408 | static void noinline ecb_cold |
572 | ev_printerr (const char *msg) |
1409 | ev_printerr (const char *msg) |
573 | { |
1410 | { |
574 | write (STDERR_FILENO, msg, strlen (msg)); |
1411 | write (STDERR_FILENO, msg, strlen (msg)); |
575 | } |
1412 | } |
576 | #endif |
1413 | #endif |
577 | |
1414 | |
578 | static void (*syserr_cb)(const char *msg); |
1415 | static void (*syserr_cb)(const char *msg) EV_THROW; |
579 | |
1416 | |
580 | void |
1417 | void ecb_cold |
581 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1418 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
582 | { |
1419 | { |
583 | syserr_cb = cb; |
1420 | syserr_cb = cb; |
584 | } |
1421 | } |
585 | |
1422 | |
586 | static void noinline |
1423 | static void noinline ecb_cold |
587 | ev_syserr (const char *msg) |
1424 | ev_syserr (const char *msg) |
588 | { |
1425 | { |
589 | if (!msg) |
1426 | if (!msg) |
590 | msg = "(libev) system error"; |
1427 | msg = "(libev) system error"; |
591 | |
1428 | |
… | |
… | |
604 | abort (); |
1441 | abort (); |
605 | } |
1442 | } |
606 | } |
1443 | } |
607 | |
1444 | |
608 | static void * |
1445 | static void * |
609 | ev_realloc_emul (void *ptr, long size) |
1446 | ev_realloc_emul (void *ptr, long size) EV_THROW |
610 | { |
1447 | { |
611 | #if __GLIBC__ |
|
|
612 | return realloc (ptr, size); |
|
|
613 | #else |
|
|
614 | /* some systems, notably openbsd and darwin, fail to properly |
1448 | /* some systems, notably openbsd and darwin, fail to properly |
615 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1449 | * implement realloc (x, 0) (as required by both ansi c-89 and |
616 | * the single unix specification, so work around them here. |
1450 | * the single unix specification, so work around them here. |
|
|
1451 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1452 | * despite documenting it otherwise. |
617 | */ |
1453 | */ |
618 | |
1454 | |
619 | if (size) |
1455 | if (size) |
620 | return realloc (ptr, size); |
1456 | return realloc (ptr, size); |
621 | |
1457 | |
622 | free (ptr); |
1458 | free (ptr); |
623 | return 0; |
1459 | return 0; |
624 | #endif |
|
|
625 | } |
1460 | } |
626 | |
1461 | |
627 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1462 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
628 | |
1463 | |
629 | void |
1464 | void ecb_cold |
630 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1465 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
631 | { |
1466 | { |
632 | alloc = cb; |
1467 | alloc = cb; |
633 | } |
1468 | } |
634 | |
1469 | |
635 | inline_speed void * |
1470 | inline_speed void * |
… | |
… | |
723 | #undef VAR |
1558 | #undef VAR |
724 | }; |
1559 | }; |
725 | #include "ev_wrap.h" |
1560 | #include "ev_wrap.h" |
726 | |
1561 | |
727 | static struct ev_loop default_loop_struct; |
1562 | static struct ev_loop default_loop_struct; |
728 | struct ev_loop *ev_default_loop_ptr; |
1563 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
729 | |
1564 | |
730 | #else |
1565 | #else |
731 | |
1566 | |
732 | ev_tstamp ev_rt_now; |
1567 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
733 | #define VAR(name,decl) static decl; |
1568 | #define VAR(name,decl) static decl; |
734 | #include "ev_vars.h" |
1569 | #include "ev_vars.h" |
735 | #undef VAR |
1570 | #undef VAR |
736 | |
1571 | |
737 | static int ev_default_loop_ptr; |
1572 | static int ev_default_loop_ptr; |
… | |
… | |
752 | |
1587 | |
753 | /*****************************************************************************/ |
1588 | /*****************************************************************************/ |
754 | |
1589 | |
755 | #ifndef EV_HAVE_EV_TIME |
1590 | #ifndef EV_HAVE_EV_TIME |
756 | ev_tstamp |
1591 | ev_tstamp |
757 | ev_time (void) |
1592 | ev_time (void) EV_THROW |
758 | { |
1593 | { |
759 | #if EV_USE_REALTIME |
1594 | #if EV_USE_REALTIME |
760 | if (expect_true (have_realtime)) |
1595 | if (expect_true (have_realtime)) |
761 | { |
1596 | { |
762 | struct timespec ts; |
1597 | struct timespec ts; |
… | |
… | |
786 | return ev_time (); |
1621 | return ev_time (); |
787 | } |
1622 | } |
788 | |
1623 | |
789 | #if EV_MULTIPLICITY |
1624 | #if EV_MULTIPLICITY |
790 | ev_tstamp |
1625 | ev_tstamp |
791 | ev_now (EV_P) |
1626 | ev_now (EV_P) EV_THROW |
792 | { |
1627 | { |
793 | return ev_rt_now; |
1628 | return ev_rt_now; |
794 | } |
1629 | } |
795 | #endif |
1630 | #endif |
796 | |
1631 | |
797 | void |
1632 | void |
798 | ev_sleep (ev_tstamp delay) |
1633 | ev_sleep (ev_tstamp delay) EV_THROW |
799 | { |
1634 | { |
800 | if (delay > 0.) |
1635 | if (delay > 0.) |
801 | { |
1636 | { |
802 | #if EV_USE_NANOSLEEP |
1637 | #if EV_USE_NANOSLEEP |
803 | struct timespec ts; |
1638 | struct timespec ts; |
804 | |
1639 | |
805 | EV_TS_SET (ts, delay); |
1640 | EV_TS_SET (ts, delay); |
806 | nanosleep (&ts, 0); |
1641 | nanosleep (&ts, 0); |
807 | #elif defined(_WIN32) |
1642 | #elif defined _WIN32 |
808 | Sleep ((unsigned long)(delay * 1e3)); |
1643 | Sleep ((unsigned long)(delay * 1e3)); |
809 | #else |
1644 | #else |
810 | struct timeval tv; |
1645 | struct timeval tv; |
811 | |
1646 | |
812 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1647 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
816 | select (0, 0, 0, 0, &tv); |
1651 | select (0, 0, 0, 0, &tv); |
817 | #endif |
1652 | #endif |
818 | } |
1653 | } |
819 | } |
1654 | } |
820 | |
1655 | |
821 | inline_speed int |
|
|
822 | ev_timeout_to_ms (ev_tstamp timeout) |
|
|
823 | { |
|
|
824 | int ms = timeout * 1000. + .999999; |
|
|
825 | |
|
|
826 | return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1; |
|
|
827 | } |
|
|
828 | |
|
|
829 | /*****************************************************************************/ |
1656 | /*****************************************************************************/ |
830 | |
1657 | |
831 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
1658 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
832 | |
1659 | |
833 | /* find a suitable new size for the given array, */ |
1660 | /* find a suitable new size for the given array, */ |
… | |
… | |
839 | |
1666 | |
840 | do |
1667 | do |
841 | ncur <<= 1; |
1668 | ncur <<= 1; |
842 | while (cnt > ncur); |
1669 | while (cnt > ncur); |
843 | |
1670 | |
844 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1671 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
845 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1672 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
846 | { |
1673 | { |
847 | ncur *= elem; |
1674 | ncur *= elem; |
848 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1675 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
849 | ncur = ncur - sizeof (void *) * 4; |
1676 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
851 | } |
1678 | } |
852 | |
1679 | |
853 | return ncur; |
1680 | return ncur; |
854 | } |
1681 | } |
855 | |
1682 | |
856 | static noinline void * |
1683 | static void * noinline ecb_cold |
857 | array_realloc (int elem, void *base, int *cur, int cnt) |
1684 | array_realloc (int elem, void *base, int *cur, int cnt) |
858 | { |
1685 | { |
859 | *cur = array_nextsize (elem, *cur, cnt); |
1686 | *cur = array_nextsize (elem, *cur, cnt); |
860 | return ev_realloc (base, elem * *cur); |
1687 | return ev_realloc (base, elem * *cur); |
861 | } |
1688 | } |
… | |
… | |
864 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1691 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
865 | |
1692 | |
866 | #define array_needsize(type,base,cur,cnt,init) \ |
1693 | #define array_needsize(type,base,cur,cnt,init) \ |
867 | if (expect_false ((cnt) > (cur))) \ |
1694 | if (expect_false ((cnt) > (cur))) \ |
868 | { \ |
1695 | { \ |
869 | int ocur_ = (cur); \ |
1696 | int ecb_unused ocur_ = (cur); \ |
870 | (base) = (type *)array_realloc \ |
1697 | (base) = (type *)array_realloc \ |
871 | (sizeof (type), (base), &(cur), (cnt)); \ |
1698 | (sizeof (type), (base), &(cur), (cnt)); \ |
872 | init ((base) + (ocur_), (cur) - ocur_); \ |
1699 | init ((base) + (ocur_), (cur) - ocur_); \ |
873 | } |
1700 | } |
874 | |
1701 | |
… | |
… | |
892 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1719 | pendingcb (EV_P_ ev_prepare *w, int revents) |
893 | { |
1720 | { |
894 | } |
1721 | } |
895 | |
1722 | |
896 | void noinline |
1723 | void noinline |
897 | ev_feed_event (EV_P_ void *w, int revents) |
1724 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
898 | { |
1725 | { |
899 | W w_ = (W)w; |
1726 | W w_ = (W)w; |
900 | int pri = ABSPRI (w_); |
1727 | int pri = ABSPRI (w_); |
901 | |
1728 | |
902 | if (expect_false (w_->pending)) |
1729 | if (expect_false (w_->pending)) |
… | |
… | |
906 | w_->pending = ++pendingcnt [pri]; |
1733 | w_->pending = ++pendingcnt [pri]; |
907 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1734 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
908 | pendings [pri][w_->pending - 1].w = w_; |
1735 | pendings [pri][w_->pending - 1].w = w_; |
909 | pendings [pri][w_->pending - 1].events = revents; |
1736 | pendings [pri][w_->pending - 1].events = revents; |
910 | } |
1737 | } |
|
|
1738 | |
|
|
1739 | pendingpri = NUMPRI - 1; |
911 | } |
1740 | } |
912 | |
1741 | |
913 | inline_speed void |
1742 | inline_speed void |
914 | feed_reverse (EV_P_ W w) |
1743 | feed_reverse (EV_P_ W w) |
915 | { |
1744 | { |
… | |
… | |
961 | if (expect_true (!anfd->reify)) |
1790 | if (expect_true (!anfd->reify)) |
962 | fd_event_nocheck (EV_A_ fd, revents); |
1791 | fd_event_nocheck (EV_A_ fd, revents); |
963 | } |
1792 | } |
964 | |
1793 | |
965 | void |
1794 | void |
966 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1795 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
967 | { |
1796 | { |
968 | if (fd >= 0 && fd < anfdmax) |
1797 | if (fd >= 0 && fd < anfdmax) |
969 | fd_event_nocheck (EV_A_ fd, revents); |
1798 | fd_event_nocheck (EV_A_ fd, revents); |
970 | } |
1799 | } |
971 | |
1800 | |
… | |
… | |
974 | inline_size void |
1803 | inline_size void |
975 | fd_reify (EV_P) |
1804 | fd_reify (EV_P) |
976 | { |
1805 | { |
977 | int i; |
1806 | int i; |
978 | |
1807 | |
|
|
1808 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1809 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1810 | { |
|
|
1811 | int fd = fdchanges [i]; |
|
|
1812 | ANFD *anfd = anfds + fd; |
|
|
1813 | |
|
|
1814 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1815 | { |
|
|
1816 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1817 | |
|
|
1818 | if (handle != anfd->handle) |
|
|
1819 | { |
|
|
1820 | unsigned long arg; |
|
|
1821 | |
|
|
1822 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1823 | |
|
|
1824 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1825 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1826 | anfd->events = 0; |
|
|
1827 | anfd->handle = handle; |
|
|
1828 | } |
|
|
1829 | } |
|
|
1830 | } |
|
|
1831 | #endif |
|
|
1832 | |
979 | for (i = 0; i < fdchangecnt; ++i) |
1833 | for (i = 0; i < fdchangecnt; ++i) |
980 | { |
1834 | { |
981 | int fd = fdchanges [i]; |
1835 | int fd = fdchanges [i]; |
982 | ANFD *anfd = anfds + fd; |
1836 | ANFD *anfd = anfds + fd; |
983 | ev_io *w; |
1837 | ev_io *w; |
… | |
… | |
985 | unsigned char o_events = anfd->events; |
1839 | unsigned char o_events = anfd->events; |
986 | unsigned char o_reify = anfd->reify; |
1840 | unsigned char o_reify = anfd->reify; |
987 | |
1841 | |
988 | anfd->reify = 0; |
1842 | anfd->reify = 0; |
989 | |
1843 | |
990 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
991 | if (o_reify & EV__IOFDSET) |
|
|
992 | { |
|
|
993 | unsigned long arg; |
|
|
994 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
995 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
996 | printf ("oi %d %x\n", fd, anfd->handle);//D |
|
|
997 | } |
|
|
998 | #endif |
|
|
999 | |
|
|
1000 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1844 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1001 | { |
1845 | { |
1002 | anfd->events = 0; |
1846 | anfd->events = 0; |
1003 | |
1847 | |
1004 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1848 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
1029 | fdchanges [fdchangecnt - 1] = fd; |
1873 | fdchanges [fdchangecnt - 1] = fd; |
1030 | } |
1874 | } |
1031 | } |
1875 | } |
1032 | |
1876 | |
1033 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1877 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1034 | inline_speed void |
1878 | inline_speed void ecb_cold |
1035 | fd_kill (EV_P_ int fd) |
1879 | fd_kill (EV_P_ int fd) |
1036 | { |
1880 | { |
1037 | ev_io *w; |
1881 | ev_io *w; |
1038 | |
1882 | |
1039 | while ((w = (ev_io *)anfds [fd].head)) |
1883 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1042 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1886 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1043 | } |
1887 | } |
1044 | } |
1888 | } |
1045 | |
1889 | |
1046 | /* check whether the given fd is actually valid, for error recovery */ |
1890 | /* check whether the given fd is actually valid, for error recovery */ |
1047 | inline_size int |
1891 | inline_size int ecb_cold |
1048 | fd_valid (int fd) |
1892 | fd_valid (int fd) |
1049 | { |
1893 | { |
1050 | #ifdef _WIN32 |
1894 | #ifdef _WIN32 |
1051 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1895 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1052 | #else |
1896 | #else |
1053 | return fcntl (fd, F_GETFD) != -1; |
1897 | return fcntl (fd, F_GETFD) != -1; |
1054 | #endif |
1898 | #endif |
1055 | } |
1899 | } |
1056 | |
1900 | |
1057 | /* called on EBADF to verify fds */ |
1901 | /* called on EBADF to verify fds */ |
1058 | static void noinline |
1902 | static void noinline ecb_cold |
1059 | fd_ebadf (EV_P) |
1903 | fd_ebadf (EV_P) |
1060 | { |
1904 | { |
1061 | int fd; |
1905 | int fd; |
1062 | |
1906 | |
1063 | for (fd = 0; fd < anfdmax; ++fd) |
1907 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1065 | if (!fd_valid (fd) && errno == EBADF) |
1909 | if (!fd_valid (fd) && errno == EBADF) |
1066 | fd_kill (EV_A_ fd); |
1910 | fd_kill (EV_A_ fd); |
1067 | } |
1911 | } |
1068 | |
1912 | |
1069 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1913 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1070 | static void noinline |
1914 | static void noinline ecb_cold |
1071 | fd_enomem (EV_P) |
1915 | fd_enomem (EV_P) |
1072 | { |
1916 | { |
1073 | int fd; |
1917 | int fd; |
1074 | |
1918 | |
1075 | for (fd = anfdmax; fd--; ) |
1919 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1270 | |
2114 | |
1271 | /*****************************************************************************/ |
2115 | /*****************************************************************************/ |
1272 | |
2116 | |
1273 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2117 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1274 | |
2118 | |
1275 | static void noinline |
2119 | static void noinline ecb_cold |
1276 | evpipe_init (EV_P) |
2120 | evpipe_init (EV_P) |
1277 | { |
2121 | { |
1278 | if (!ev_is_active (&pipe_w)) |
2122 | if (!ev_is_active (&pipe_w)) |
1279 | { |
2123 | { |
|
|
2124 | int fds [2]; |
|
|
2125 | |
1280 | # if EV_USE_EVENTFD |
2126 | # if EV_USE_EVENTFD |
|
|
2127 | fds [0] = -1; |
1281 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2128 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1282 | if (evfd < 0 && errno == EINVAL) |
2129 | if (fds [1] < 0 && errno == EINVAL) |
1283 | evfd = eventfd (0, 0); |
2130 | fds [1] = eventfd (0, 0); |
1284 | |
2131 | |
1285 | if (evfd >= 0) |
2132 | if (fds [1] < 0) |
|
|
2133 | # endif |
1286 | { |
2134 | { |
|
|
2135 | while (pipe (fds)) |
|
|
2136 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2137 | |
|
|
2138 | fd_intern (fds [0]); |
|
|
2139 | } |
|
|
2140 | |
1287 | evpipe [0] = -1; |
2141 | evpipe [0] = fds [0]; |
1288 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2142 | |
1289 | ev_io_set (&pipe_w, evfd, EV_READ); |
2143 | if (evpipe [1] < 0) |
|
|
2144 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2145 | else |
|
|
2146 | { |
|
|
2147 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2148 | /* so that evpipe_write can always rely on its value. */ |
|
|
2149 | /* this branch does not do anything sensible on windows, */ |
|
|
2150 | /* so must not be executed on windows */ |
|
|
2151 | |
|
|
2152 | dup2 (fds [1], evpipe [1]); |
|
|
2153 | close (fds [1]); |
|
|
2154 | } |
|
|
2155 | |
|
|
2156 | fd_intern (evpipe [1]); |
|
|
2157 | |
|
|
2158 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2159 | ev_io_start (EV_A_ &pipe_w); |
|
|
2160 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2161 | } |
|
|
2162 | } |
|
|
2163 | |
|
|
2164 | inline_speed void |
|
|
2165 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
2166 | { |
|
|
2167 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
2168 | |
|
|
2169 | if (expect_true (*flag)) |
|
|
2170 | return; |
|
|
2171 | |
|
|
2172 | *flag = 1; |
|
|
2173 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2174 | |
|
|
2175 | pipe_write_skipped = 1; |
|
|
2176 | |
|
|
2177 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2178 | |
|
|
2179 | if (pipe_write_wanted) |
|
|
2180 | { |
|
|
2181 | int old_errno; |
|
|
2182 | |
|
|
2183 | pipe_write_skipped = 0; |
|
|
2184 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2185 | |
|
|
2186 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2187 | |
|
|
2188 | #if EV_USE_EVENTFD |
|
|
2189 | if (evpipe [0] < 0) |
|
|
2190 | { |
|
|
2191 | uint64_t counter = 1; |
|
|
2192 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1290 | } |
2193 | } |
1291 | else |
2194 | else |
1292 | # endif |
2195 | #endif |
1293 | { |
2196 | { |
1294 | while (pipe (evpipe)) |
2197 | #ifdef _WIN32 |
1295 | ev_syserr ("(libev) error creating signal/async pipe"); |
2198 | WSABUF buf; |
1296 | |
2199 | DWORD sent; |
1297 | fd_intern (evpipe [0]); |
2200 | buf.buf = &buf; |
1298 | fd_intern (evpipe [1]); |
2201 | buf.len = 1; |
1299 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2202 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
2203 | #else |
|
|
2204 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2205 | #endif |
1300 | } |
2206 | } |
1301 | |
|
|
1302 | ev_io_start (EV_A_ &pipe_w); |
|
|
1303 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1304 | } |
|
|
1305 | } |
|
|
1306 | |
|
|
1307 | inline_size void |
|
|
1308 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1309 | { |
|
|
1310 | if (!*flag) |
|
|
1311 | { |
|
|
1312 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1313 | char dummy; |
|
|
1314 | |
|
|
1315 | *flag = 1; |
|
|
1316 | |
|
|
1317 | #if EV_USE_EVENTFD |
|
|
1318 | if (evfd >= 0) |
|
|
1319 | { |
|
|
1320 | uint64_t counter = 1; |
|
|
1321 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1322 | } |
|
|
1323 | else |
|
|
1324 | #endif |
|
|
1325 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1326 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1327 | /* so when you think this write should be a send instead, please find out */ |
|
|
1328 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1329 | /* tell me. thank you. */ |
|
|
1330 | write (evpipe [1], &dummy, 1); |
|
|
1331 | |
2207 | |
1332 | errno = old_errno; |
2208 | errno = old_errno; |
1333 | } |
2209 | } |
1334 | } |
2210 | } |
1335 | |
2211 | |
… | |
… | |
1338 | static void |
2214 | static void |
1339 | pipecb (EV_P_ ev_io *iow, int revents) |
2215 | pipecb (EV_P_ ev_io *iow, int revents) |
1340 | { |
2216 | { |
1341 | int i; |
2217 | int i; |
1342 | |
2218 | |
|
|
2219 | if (revents & EV_READ) |
|
|
2220 | { |
1343 | #if EV_USE_EVENTFD |
2221 | #if EV_USE_EVENTFD |
1344 | if (evfd >= 0) |
2222 | if (evpipe [0] < 0) |
1345 | { |
2223 | { |
1346 | uint64_t counter; |
2224 | uint64_t counter; |
1347 | read (evfd, &counter, sizeof (uint64_t)); |
2225 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1348 | } |
2226 | } |
1349 | else |
2227 | else |
1350 | #endif |
2228 | #endif |
1351 | { |
2229 | { |
1352 | char dummy; |
2230 | char dummy[4]; |
1353 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
2231 | #ifdef _WIN32 |
|
|
2232 | WSABUF buf; |
|
|
2233 | DWORD recvd; |
|
|
2234 | DWORD flags = 0; |
|
|
2235 | buf.buf = dummy; |
|
|
2236 | buf.len = sizeof (dummy); |
|
|
2237 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2238 | #else |
1354 | read (evpipe [0], &dummy, 1); |
2239 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2240 | #endif |
|
|
2241 | } |
1355 | } |
2242 | } |
|
|
2243 | |
|
|
2244 | pipe_write_skipped = 0; |
|
|
2245 | |
|
|
2246 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1356 | |
2247 | |
1357 | #if EV_SIGNAL_ENABLE |
2248 | #if EV_SIGNAL_ENABLE |
1358 | if (sig_pending) |
2249 | if (sig_pending) |
1359 | { |
2250 | { |
1360 | sig_pending = 0; |
2251 | sig_pending = 0; |
|
|
2252 | |
|
|
2253 | ECB_MEMORY_FENCE; |
1361 | |
2254 | |
1362 | for (i = EV_NSIG - 1; i--; ) |
2255 | for (i = EV_NSIG - 1; i--; ) |
1363 | if (expect_false (signals [i].pending)) |
2256 | if (expect_false (signals [i].pending)) |
1364 | ev_feed_signal_event (EV_A_ i + 1); |
2257 | ev_feed_signal_event (EV_A_ i + 1); |
1365 | } |
2258 | } |
… | |
… | |
1367 | |
2260 | |
1368 | #if EV_ASYNC_ENABLE |
2261 | #if EV_ASYNC_ENABLE |
1369 | if (async_pending) |
2262 | if (async_pending) |
1370 | { |
2263 | { |
1371 | async_pending = 0; |
2264 | async_pending = 0; |
|
|
2265 | |
|
|
2266 | ECB_MEMORY_FENCE; |
1372 | |
2267 | |
1373 | for (i = asynccnt; i--; ) |
2268 | for (i = asynccnt; i--; ) |
1374 | if (asyncs [i]->sent) |
2269 | if (asyncs [i]->sent) |
1375 | { |
2270 | { |
1376 | asyncs [i]->sent = 0; |
2271 | asyncs [i]->sent = 0; |
|
|
2272 | ECB_MEMORY_FENCE_RELEASE; |
1377 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2273 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1378 | } |
2274 | } |
1379 | } |
2275 | } |
1380 | #endif |
2276 | #endif |
1381 | } |
2277 | } |
1382 | |
2278 | |
1383 | /*****************************************************************************/ |
2279 | /*****************************************************************************/ |
1384 | |
2280 | |
1385 | void |
2281 | void |
1386 | ev_feed_signal (int signum) |
2282 | ev_feed_signal (int signum) EV_THROW |
1387 | { |
2283 | { |
1388 | #if EV_MULTIPLICITY |
2284 | #if EV_MULTIPLICITY |
|
|
2285 | EV_P; |
|
|
2286 | ECB_MEMORY_FENCE_ACQUIRE; |
1389 | EV_P = signals [signum - 1].loop; |
2287 | EV_A = signals [signum - 1].loop; |
1390 | |
2288 | |
1391 | if (!EV_A) |
2289 | if (!EV_A) |
1392 | return; |
2290 | return; |
1393 | #endif |
2291 | #endif |
1394 | |
2292 | |
… | |
… | |
1405 | |
2303 | |
1406 | ev_feed_signal (signum); |
2304 | ev_feed_signal (signum); |
1407 | } |
2305 | } |
1408 | |
2306 | |
1409 | void noinline |
2307 | void noinline |
1410 | ev_feed_signal_event (EV_P_ int signum) |
2308 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1411 | { |
2309 | { |
1412 | WL w; |
2310 | WL w; |
1413 | |
2311 | |
1414 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2312 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1415 | return; |
2313 | return; |
1416 | |
2314 | |
1417 | --signum; |
2315 | --signum; |
1418 | |
2316 | |
1419 | #if EV_MULTIPLICITY |
2317 | #if EV_MULTIPLICITY |
… | |
… | |
1423 | if (expect_false (signals [signum].loop != EV_A)) |
2321 | if (expect_false (signals [signum].loop != EV_A)) |
1424 | return; |
2322 | return; |
1425 | #endif |
2323 | #endif |
1426 | |
2324 | |
1427 | signals [signum].pending = 0; |
2325 | signals [signum].pending = 0; |
|
|
2326 | ECB_MEMORY_FENCE_RELEASE; |
1428 | |
2327 | |
1429 | for (w = signals [signum].head; w; w = w->next) |
2328 | for (w = signals [signum].head; w; w = w->next) |
1430 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2329 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1431 | } |
2330 | } |
1432 | |
2331 | |
… | |
… | |
1530 | #endif |
2429 | #endif |
1531 | #if EV_USE_SELECT |
2430 | #if EV_USE_SELECT |
1532 | # include "ev_select.c" |
2431 | # include "ev_select.c" |
1533 | #endif |
2432 | #endif |
1534 | |
2433 | |
1535 | int |
2434 | int ecb_cold |
1536 | ev_version_major (void) |
2435 | ev_version_major (void) EV_THROW |
1537 | { |
2436 | { |
1538 | return EV_VERSION_MAJOR; |
2437 | return EV_VERSION_MAJOR; |
1539 | } |
2438 | } |
1540 | |
2439 | |
1541 | int |
2440 | int ecb_cold |
1542 | ev_version_minor (void) |
2441 | ev_version_minor (void) EV_THROW |
1543 | { |
2442 | { |
1544 | return EV_VERSION_MINOR; |
2443 | return EV_VERSION_MINOR; |
1545 | } |
2444 | } |
1546 | |
2445 | |
1547 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2446 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1548 | int inline_size |
2447 | int inline_size ecb_cold |
1549 | enable_secure (void) |
2448 | enable_secure (void) |
1550 | { |
2449 | { |
1551 | #ifdef _WIN32 |
2450 | #ifdef _WIN32 |
1552 | return 0; |
2451 | return 0; |
1553 | #else |
2452 | #else |
1554 | return getuid () != geteuid () |
2453 | return getuid () != geteuid () |
1555 | || getgid () != getegid (); |
2454 | || getgid () != getegid (); |
1556 | #endif |
2455 | #endif |
1557 | } |
2456 | } |
1558 | |
2457 | |
1559 | unsigned int |
2458 | unsigned int ecb_cold |
1560 | ev_supported_backends (void) |
2459 | ev_supported_backends (void) EV_THROW |
1561 | { |
2460 | { |
1562 | unsigned int flags = 0; |
2461 | unsigned int flags = 0; |
1563 | |
2462 | |
1564 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2463 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1565 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2464 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1568 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2467 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1569 | |
2468 | |
1570 | return flags; |
2469 | return flags; |
1571 | } |
2470 | } |
1572 | |
2471 | |
1573 | unsigned int |
2472 | unsigned int ecb_cold |
1574 | ev_recommended_backends (void) |
2473 | ev_recommended_backends (void) EV_THROW |
1575 | { |
2474 | { |
1576 | unsigned int flags = ev_supported_backends (); |
2475 | unsigned int flags = ev_supported_backends (); |
1577 | |
2476 | |
1578 | #ifndef __NetBSD__ |
2477 | #ifndef __NetBSD__ |
1579 | /* kqueue is borked on everything but netbsd apparently */ |
2478 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1590 | #endif |
2489 | #endif |
1591 | |
2490 | |
1592 | return flags; |
2491 | return flags; |
1593 | } |
2492 | } |
1594 | |
2493 | |
1595 | unsigned int |
2494 | unsigned int ecb_cold |
1596 | ev_embeddable_backends (void) |
2495 | ev_embeddable_backends (void) EV_THROW |
1597 | { |
2496 | { |
1598 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2497 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1599 | |
2498 | |
1600 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2499 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1601 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2500 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
1603 | |
2502 | |
1604 | return flags; |
2503 | return flags; |
1605 | } |
2504 | } |
1606 | |
2505 | |
1607 | unsigned int |
2506 | unsigned int |
1608 | ev_backend (EV_P) |
2507 | ev_backend (EV_P) EV_THROW |
1609 | { |
2508 | { |
1610 | return backend; |
2509 | return backend; |
1611 | } |
2510 | } |
1612 | |
2511 | |
1613 | #if EV_FEATURE_API |
2512 | #if EV_FEATURE_API |
1614 | unsigned int |
2513 | unsigned int |
1615 | ev_iteration (EV_P) |
2514 | ev_iteration (EV_P) EV_THROW |
1616 | { |
2515 | { |
1617 | return loop_count; |
2516 | return loop_count; |
1618 | } |
2517 | } |
1619 | |
2518 | |
1620 | unsigned int |
2519 | unsigned int |
1621 | ev_depth (EV_P) |
2520 | ev_depth (EV_P) EV_THROW |
1622 | { |
2521 | { |
1623 | return loop_depth; |
2522 | return loop_depth; |
1624 | } |
2523 | } |
1625 | |
2524 | |
1626 | void |
2525 | void |
1627 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2526 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1628 | { |
2527 | { |
1629 | io_blocktime = interval; |
2528 | io_blocktime = interval; |
1630 | } |
2529 | } |
1631 | |
2530 | |
1632 | void |
2531 | void |
1633 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2532 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1634 | { |
2533 | { |
1635 | timeout_blocktime = interval; |
2534 | timeout_blocktime = interval; |
1636 | } |
2535 | } |
1637 | |
2536 | |
1638 | void |
2537 | void |
1639 | ev_set_userdata (EV_P_ void *data) |
2538 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1640 | { |
2539 | { |
1641 | userdata = data; |
2540 | userdata = data; |
1642 | } |
2541 | } |
1643 | |
2542 | |
1644 | void * |
2543 | void * |
1645 | ev_userdata (EV_P) |
2544 | ev_userdata (EV_P) EV_THROW |
1646 | { |
2545 | { |
1647 | return userdata; |
2546 | return userdata; |
1648 | } |
2547 | } |
1649 | |
2548 | |
|
|
2549 | void |
1650 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2550 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
1651 | { |
2551 | { |
1652 | invoke_cb = invoke_pending_cb; |
2552 | invoke_cb = invoke_pending_cb; |
1653 | } |
2553 | } |
1654 | |
2554 | |
1655 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2555 | void |
|
|
2556 | ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW |
1656 | { |
2557 | { |
1657 | release_cb = release; |
2558 | release_cb = release; |
1658 | acquire_cb = acquire; |
2559 | acquire_cb = acquire; |
1659 | } |
2560 | } |
1660 | #endif |
2561 | #endif |
1661 | |
2562 | |
1662 | /* initialise a loop structure, must be zero-initialised */ |
2563 | /* initialise a loop structure, must be zero-initialised */ |
1663 | static void noinline |
2564 | static void noinline ecb_cold |
1664 | loop_init (EV_P_ unsigned int flags) |
2565 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1665 | { |
2566 | { |
1666 | if (!backend) |
2567 | if (!backend) |
1667 | { |
2568 | { |
1668 | origflags = flags; |
2569 | origflags = flags; |
1669 | |
2570 | |
… | |
… | |
1696 | if (!(flags & EVFLAG_NOENV) |
2597 | if (!(flags & EVFLAG_NOENV) |
1697 | && !enable_secure () |
2598 | && !enable_secure () |
1698 | && getenv ("LIBEV_FLAGS")) |
2599 | && getenv ("LIBEV_FLAGS")) |
1699 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2600 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1700 | |
2601 | |
1701 | ev_rt_now = ev_time (); |
2602 | ev_rt_now = ev_time (); |
1702 | mn_now = get_clock (); |
2603 | mn_now = get_clock (); |
1703 | now_floor = mn_now; |
2604 | now_floor = mn_now; |
1704 | rtmn_diff = ev_rt_now - mn_now; |
2605 | rtmn_diff = ev_rt_now - mn_now; |
1705 | #if EV_FEATURE_API |
2606 | #if EV_FEATURE_API |
1706 | invoke_cb = ev_invoke_pending; |
2607 | invoke_cb = ev_invoke_pending; |
1707 | #endif |
2608 | #endif |
1708 | |
2609 | |
1709 | io_blocktime = 0.; |
2610 | io_blocktime = 0.; |
1710 | timeout_blocktime = 0.; |
2611 | timeout_blocktime = 0.; |
1711 | backend = 0; |
2612 | backend = 0; |
1712 | backend_fd = -1; |
2613 | backend_fd = -1; |
1713 | sig_pending = 0; |
2614 | sig_pending = 0; |
1714 | #if EV_ASYNC_ENABLE |
2615 | #if EV_ASYNC_ENABLE |
1715 | async_pending = 0; |
2616 | async_pending = 0; |
1716 | #endif |
2617 | #endif |
|
|
2618 | pipe_write_skipped = 0; |
|
|
2619 | pipe_write_wanted = 0; |
|
|
2620 | evpipe [0] = -1; |
|
|
2621 | evpipe [1] = -1; |
1717 | #if EV_USE_INOTIFY |
2622 | #if EV_USE_INOTIFY |
1718 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2623 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1719 | #endif |
2624 | #endif |
1720 | #if EV_USE_SIGNALFD |
2625 | #if EV_USE_SIGNALFD |
1721 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2626 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1722 | #endif |
2627 | #endif |
1723 | |
2628 | |
1724 | if (!(flags & EVBACKEND_MASK)) |
2629 | if (!(flags & EVBACKEND_MASK)) |
1725 | flags |= ev_recommended_backends (); |
2630 | flags |= ev_recommended_backends (); |
1726 | |
2631 | |
… | |
… | |
1751 | #endif |
2656 | #endif |
1752 | } |
2657 | } |
1753 | } |
2658 | } |
1754 | |
2659 | |
1755 | /* free up a loop structure */ |
2660 | /* free up a loop structure */ |
1756 | void |
2661 | void ecb_cold |
1757 | ev_loop_destroy (EV_P) |
2662 | ev_loop_destroy (EV_P) |
1758 | { |
2663 | { |
1759 | int i; |
2664 | int i; |
1760 | |
2665 | |
1761 | #if EV_MULTIPLICITY |
2666 | #if EV_MULTIPLICITY |
… | |
… | |
1772 | EV_INVOKE_PENDING; |
2677 | EV_INVOKE_PENDING; |
1773 | } |
2678 | } |
1774 | #endif |
2679 | #endif |
1775 | |
2680 | |
1776 | #if EV_CHILD_ENABLE |
2681 | #if EV_CHILD_ENABLE |
1777 | if (ev_is_active (&childev)) |
2682 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
1778 | { |
2683 | { |
1779 | ev_ref (EV_A); /* child watcher */ |
2684 | ev_ref (EV_A); /* child watcher */ |
1780 | ev_signal_stop (EV_A_ &childev); |
2685 | ev_signal_stop (EV_A_ &childev); |
1781 | } |
2686 | } |
1782 | #endif |
2687 | #endif |
… | |
… | |
1784 | if (ev_is_active (&pipe_w)) |
2689 | if (ev_is_active (&pipe_w)) |
1785 | { |
2690 | { |
1786 | /*ev_ref (EV_A);*/ |
2691 | /*ev_ref (EV_A);*/ |
1787 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2692 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1788 | |
2693 | |
1789 | #if EV_USE_EVENTFD |
|
|
1790 | if (evfd >= 0) |
|
|
1791 | close (evfd); |
|
|
1792 | #endif |
|
|
1793 | |
|
|
1794 | if (evpipe [0] >= 0) |
|
|
1795 | { |
|
|
1796 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2694 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
1797 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2695 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
1798 | } |
|
|
1799 | } |
2696 | } |
1800 | |
2697 | |
1801 | #if EV_USE_SIGNALFD |
2698 | #if EV_USE_SIGNALFD |
1802 | if (ev_is_active (&sigfd_w)) |
2699 | if (ev_is_active (&sigfd_w)) |
1803 | close (sigfd); |
2700 | close (sigfd); |
… | |
… | |
1889 | #endif |
2786 | #endif |
1890 | #if EV_USE_INOTIFY |
2787 | #if EV_USE_INOTIFY |
1891 | infy_fork (EV_A); |
2788 | infy_fork (EV_A); |
1892 | #endif |
2789 | #endif |
1893 | |
2790 | |
|
|
2791 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1894 | if (ev_is_active (&pipe_w)) |
2792 | if (ev_is_active (&pipe_w)) |
1895 | { |
2793 | { |
1896 | /* this "locks" the handlers against writing to the pipe */ |
2794 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1897 | /* while we modify the fd vars */ |
|
|
1898 | sig_pending = 1; |
|
|
1899 | #if EV_ASYNC_ENABLE |
|
|
1900 | async_pending = 1; |
|
|
1901 | #endif |
|
|
1902 | |
2795 | |
1903 | ev_ref (EV_A); |
2796 | ev_ref (EV_A); |
1904 | ev_io_stop (EV_A_ &pipe_w); |
2797 | ev_io_stop (EV_A_ &pipe_w); |
1905 | |
2798 | |
1906 | #if EV_USE_EVENTFD |
|
|
1907 | if (evfd >= 0) |
|
|
1908 | close (evfd); |
|
|
1909 | #endif |
|
|
1910 | |
|
|
1911 | if (evpipe [0] >= 0) |
2799 | if (evpipe [0] >= 0) |
1912 | { |
|
|
1913 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2800 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1914 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
1915 | } |
|
|
1916 | |
2801 | |
1917 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
1918 | evpipe_init (EV_A); |
2802 | evpipe_init (EV_A); |
1919 | /* now iterate over everything, in case we missed something */ |
2803 | /* iterate over everything, in case we missed something before */ |
1920 | pipecb (EV_A_ &pipe_w, EV_READ); |
2804 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
1921 | #endif |
|
|
1922 | } |
2805 | } |
|
|
2806 | #endif |
1923 | |
2807 | |
1924 | postfork = 0; |
2808 | postfork = 0; |
1925 | } |
2809 | } |
1926 | |
2810 | |
1927 | #if EV_MULTIPLICITY |
2811 | #if EV_MULTIPLICITY |
1928 | |
2812 | |
1929 | struct ev_loop * |
2813 | struct ev_loop * ecb_cold |
1930 | ev_loop_new (unsigned int flags) |
2814 | ev_loop_new (unsigned int flags) EV_THROW |
1931 | { |
2815 | { |
1932 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2816 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1933 | |
2817 | |
1934 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2818 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1935 | loop_init (EV_A_ flags); |
2819 | loop_init (EV_A_ flags); |
… | |
… | |
1942 | } |
2826 | } |
1943 | |
2827 | |
1944 | #endif /* multiplicity */ |
2828 | #endif /* multiplicity */ |
1945 | |
2829 | |
1946 | #if EV_VERIFY |
2830 | #if EV_VERIFY |
1947 | static void noinline |
2831 | static void noinline ecb_cold |
1948 | verify_watcher (EV_P_ W w) |
2832 | verify_watcher (EV_P_ W w) |
1949 | { |
2833 | { |
1950 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2834 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1951 | |
2835 | |
1952 | if (w->pending) |
2836 | if (w->pending) |
1953 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2837 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1954 | } |
2838 | } |
1955 | |
2839 | |
1956 | static void noinline |
2840 | static void noinline ecb_cold |
1957 | verify_heap (EV_P_ ANHE *heap, int N) |
2841 | verify_heap (EV_P_ ANHE *heap, int N) |
1958 | { |
2842 | { |
1959 | int i; |
2843 | int i; |
1960 | |
2844 | |
1961 | for (i = HEAP0; i < N + HEAP0; ++i) |
2845 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1966 | |
2850 | |
1967 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2851 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1968 | } |
2852 | } |
1969 | } |
2853 | } |
1970 | |
2854 | |
1971 | static void noinline |
2855 | static void noinline ecb_cold |
1972 | array_verify (EV_P_ W *ws, int cnt) |
2856 | array_verify (EV_P_ W *ws, int cnt) |
1973 | { |
2857 | { |
1974 | while (cnt--) |
2858 | while (cnt--) |
1975 | { |
2859 | { |
1976 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2860 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
1978 | } |
2862 | } |
1979 | } |
2863 | } |
1980 | #endif |
2864 | #endif |
1981 | |
2865 | |
1982 | #if EV_FEATURE_API |
2866 | #if EV_FEATURE_API |
1983 | void |
2867 | void ecb_cold |
1984 | ev_verify (EV_P) |
2868 | ev_verify (EV_P) EV_THROW |
1985 | { |
2869 | { |
1986 | #if EV_VERIFY |
2870 | #if EV_VERIFY |
1987 | int i; |
2871 | int i; |
1988 | WL w; |
2872 | WL w, w2; |
1989 | |
2873 | |
1990 | assert (activecnt >= -1); |
2874 | assert (activecnt >= -1); |
1991 | |
2875 | |
1992 | assert (fdchangemax >= fdchangecnt); |
2876 | assert (fdchangemax >= fdchangecnt); |
1993 | for (i = 0; i < fdchangecnt; ++i) |
2877 | for (i = 0; i < fdchangecnt; ++i) |
1994 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2878 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1995 | |
2879 | |
1996 | assert (anfdmax >= 0); |
2880 | assert (anfdmax >= 0); |
1997 | for (i = 0; i < anfdmax; ++i) |
2881 | for (i = 0; i < anfdmax; ++i) |
|
|
2882 | { |
|
|
2883 | int j = 0; |
|
|
2884 | |
1998 | for (w = anfds [i].head; w; w = w->next) |
2885 | for (w = w2 = anfds [i].head; w; w = w->next) |
1999 | { |
2886 | { |
2000 | verify_watcher (EV_A_ (W)w); |
2887 | verify_watcher (EV_A_ (W)w); |
|
|
2888 | |
|
|
2889 | if (j++ & 1) |
|
|
2890 | { |
|
|
2891 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2892 | w2 = w2->next; |
|
|
2893 | } |
|
|
2894 | |
2001 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2895 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2002 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2896 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2003 | } |
2897 | } |
|
|
2898 | } |
2004 | |
2899 | |
2005 | assert (timermax >= timercnt); |
2900 | assert (timermax >= timercnt); |
2006 | verify_heap (EV_A_ timers, timercnt); |
2901 | verify_heap (EV_A_ timers, timercnt); |
2007 | |
2902 | |
2008 | #if EV_PERIODIC_ENABLE |
2903 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2054 | #endif |
2949 | #endif |
2055 | } |
2950 | } |
2056 | #endif |
2951 | #endif |
2057 | |
2952 | |
2058 | #if EV_MULTIPLICITY |
2953 | #if EV_MULTIPLICITY |
2059 | struct ev_loop * |
2954 | struct ev_loop * ecb_cold |
2060 | #else |
2955 | #else |
2061 | int |
2956 | int |
2062 | #endif |
2957 | #endif |
2063 | ev_default_loop (unsigned int flags) |
2958 | ev_default_loop (unsigned int flags) EV_THROW |
2064 | { |
2959 | { |
2065 | if (!ev_default_loop_ptr) |
2960 | if (!ev_default_loop_ptr) |
2066 | { |
2961 | { |
2067 | #if EV_MULTIPLICITY |
2962 | #if EV_MULTIPLICITY |
2068 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2963 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2087 | |
2982 | |
2088 | return ev_default_loop_ptr; |
2983 | return ev_default_loop_ptr; |
2089 | } |
2984 | } |
2090 | |
2985 | |
2091 | void |
2986 | void |
2092 | ev_loop_fork (EV_P) |
2987 | ev_loop_fork (EV_P) EV_THROW |
2093 | { |
2988 | { |
2094 | postfork = 1; /* must be in line with ev_default_fork */ |
2989 | postfork = 1; |
2095 | } |
2990 | } |
2096 | |
2991 | |
2097 | /*****************************************************************************/ |
2992 | /*****************************************************************************/ |
2098 | |
2993 | |
2099 | void |
2994 | void |
… | |
… | |
2101 | { |
2996 | { |
2102 | EV_CB_INVOKE ((W)w, revents); |
2997 | EV_CB_INVOKE ((W)w, revents); |
2103 | } |
2998 | } |
2104 | |
2999 | |
2105 | unsigned int |
3000 | unsigned int |
2106 | ev_pending_count (EV_P) |
3001 | ev_pending_count (EV_P) EV_THROW |
2107 | { |
3002 | { |
2108 | int pri; |
3003 | int pri; |
2109 | unsigned int count = 0; |
3004 | unsigned int count = 0; |
2110 | |
3005 | |
2111 | for (pri = NUMPRI; pri--; ) |
3006 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2115 | } |
3010 | } |
2116 | |
3011 | |
2117 | void noinline |
3012 | void noinline |
2118 | ev_invoke_pending (EV_P) |
3013 | ev_invoke_pending (EV_P) |
2119 | { |
3014 | { |
2120 | int pri; |
3015 | pendingpri = NUMPRI; |
2121 | |
3016 | |
2122 | for (pri = NUMPRI; pri--; ) |
3017 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
3018 | { |
|
|
3019 | --pendingpri; |
|
|
3020 | |
2123 | while (pendingcnt [pri]) |
3021 | while (pendingcnt [pendingpri]) |
2124 | { |
3022 | { |
2125 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
3023 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2126 | |
3024 | |
2127 | p->w->pending = 0; |
3025 | p->w->pending = 0; |
2128 | EV_CB_INVOKE (p->w, p->events); |
3026 | EV_CB_INVOKE (p->w, p->events); |
2129 | EV_FREQUENT_CHECK; |
3027 | EV_FREQUENT_CHECK; |
2130 | } |
3028 | } |
|
|
3029 | } |
2131 | } |
3030 | } |
2132 | |
3031 | |
2133 | #if EV_IDLE_ENABLE |
3032 | #if EV_IDLE_ENABLE |
2134 | /* make idle watchers pending. this handles the "call-idle */ |
3033 | /* make idle watchers pending. this handles the "call-idle */ |
2135 | /* only when higher priorities are idle" logic */ |
3034 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2193 | } |
3092 | } |
2194 | } |
3093 | } |
2195 | |
3094 | |
2196 | #if EV_PERIODIC_ENABLE |
3095 | #if EV_PERIODIC_ENABLE |
2197 | |
3096 | |
2198 | inline_speed |
3097 | static void noinline |
2199 | periodic_recalc (EV_P_ ev_periodic *w) |
3098 | periodic_recalc (EV_P_ ev_periodic *w) |
2200 | { |
3099 | { |
2201 | /* TODO: use slow but potentially more correct incremental algo, */ |
3100 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
2202 | /* also do not rely on ceil */ |
3101 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
2203 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3102 | |
|
|
3103 | /* the above almost always errs on the low side */ |
|
|
3104 | while (at <= ev_rt_now) |
|
|
3105 | { |
|
|
3106 | ev_tstamp nat = at + w->interval; |
|
|
3107 | |
|
|
3108 | /* when resolution fails us, we use ev_rt_now */ |
|
|
3109 | if (expect_false (nat == at)) |
|
|
3110 | { |
|
|
3111 | at = ev_rt_now; |
|
|
3112 | break; |
|
|
3113 | } |
|
|
3114 | |
|
|
3115 | at = nat; |
|
|
3116 | } |
|
|
3117 | |
|
|
3118 | ev_at (w) = at; |
2204 | } |
3119 | } |
2205 | |
3120 | |
2206 | /* make periodics pending */ |
3121 | /* make periodics pending */ |
2207 | inline_size void |
3122 | inline_size void |
2208 | periodics_reify (EV_P) |
3123 | periodics_reify (EV_P) |
2209 | { |
3124 | { |
2210 | EV_FREQUENT_CHECK; |
3125 | EV_FREQUENT_CHECK; |
2211 | |
3126 | |
2212 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3127 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2213 | { |
3128 | { |
2214 | int feed_count = 0; |
|
|
2215 | |
|
|
2216 | do |
3129 | do |
2217 | { |
3130 | { |
2218 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3131 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2219 | |
3132 | |
2220 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3133 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2230 | downheap (periodics, periodiccnt, HEAP0); |
3143 | downheap (periodics, periodiccnt, HEAP0); |
2231 | } |
3144 | } |
2232 | else if (w->interval) |
3145 | else if (w->interval) |
2233 | { |
3146 | { |
2234 | periodic_recalc (EV_A_ w); |
3147 | periodic_recalc (EV_A_ w); |
2235 | |
|
|
2236 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2237 | /* this might happen because of floating point inexactness */ |
|
|
2238 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2239 | { |
|
|
2240 | ev_at (w) += w->interval; |
|
|
2241 | |
|
|
2242 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2243 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2244 | /* has effectively asked to get triggered more often than possible */ |
|
|
2245 | if (ev_at (w) < ev_rt_now) |
|
|
2246 | ev_at (w) = ev_rt_now; |
|
|
2247 | } |
|
|
2248 | |
|
|
2249 | ANHE_at_cache (periodics [HEAP0]); |
3148 | ANHE_at_cache (periodics [HEAP0]); |
2250 | downheap (periodics, periodiccnt, HEAP0); |
3149 | downheap (periodics, periodiccnt, HEAP0); |
2251 | } |
3150 | } |
2252 | else |
3151 | else |
2253 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
3152 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2261 | } |
3160 | } |
2262 | } |
3161 | } |
2263 | |
3162 | |
2264 | /* simply recalculate all periodics */ |
3163 | /* simply recalculate all periodics */ |
2265 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3164 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2266 | static void noinline |
3165 | static void noinline ecb_cold |
2267 | periodics_reschedule (EV_P) |
3166 | periodics_reschedule (EV_P) |
2268 | { |
3167 | { |
2269 | int i; |
3168 | int i; |
2270 | |
3169 | |
2271 | /* adjust periodics after time jump */ |
3170 | /* adjust periodics after time jump */ |
… | |
… | |
2284 | reheap (periodics, periodiccnt); |
3183 | reheap (periodics, periodiccnt); |
2285 | } |
3184 | } |
2286 | #endif |
3185 | #endif |
2287 | |
3186 | |
2288 | /* adjust all timers by a given offset */ |
3187 | /* adjust all timers by a given offset */ |
2289 | static void noinline |
3188 | static void noinline ecb_cold |
2290 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3189 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2291 | { |
3190 | { |
2292 | int i; |
3191 | int i; |
2293 | |
3192 | |
2294 | for (i = 0; i < timercnt; ++i) |
3193 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2331 | * doesn't hurt either as we only do this on time-jumps or |
3230 | * doesn't hurt either as we only do this on time-jumps or |
2332 | * in the unlikely event of having been preempted here. |
3231 | * in the unlikely event of having been preempted here. |
2333 | */ |
3232 | */ |
2334 | for (i = 4; --i; ) |
3233 | for (i = 4; --i; ) |
2335 | { |
3234 | { |
|
|
3235 | ev_tstamp diff; |
2336 | rtmn_diff = ev_rt_now - mn_now; |
3236 | rtmn_diff = ev_rt_now - mn_now; |
2337 | |
3237 | |
|
|
3238 | diff = odiff - rtmn_diff; |
|
|
3239 | |
2338 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
3240 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2339 | return; /* all is well */ |
3241 | return; /* all is well */ |
2340 | |
3242 | |
2341 | ev_rt_now = ev_time (); |
3243 | ev_rt_now = ev_time (); |
2342 | mn_now = get_clock (); |
3244 | mn_now = get_clock (); |
2343 | now_floor = mn_now; |
3245 | now_floor = mn_now; |
… | |
… | |
2365 | |
3267 | |
2366 | mn_now = ev_rt_now; |
3268 | mn_now = ev_rt_now; |
2367 | } |
3269 | } |
2368 | } |
3270 | } |
2369 | |
3271 | |
2370 | void |
3272 | int |
2371 | ev_run (EV_P_ int flags) |
3273 | ev_run (EV_P_ int flags) |
2372 | { |
3274 | { |
2373 | #if EV_FEATURE_API |
3275 | #if EV_FEATURE_API |
2374 | ++loop_depth; |
3276 | ++loop_depth; |
2375 | #endif |
3277 | #endif |
… | |
… | |
2433 | ev_tstamp prev_mn_now = mn_now; |
3335 | ev_tstamp prev_mn_now = mn_now; |
2434 | |
3336 | |
2435 | /* update time to cancel out callback processing overhead */ |
3337 | /* update time to cancel out callback processing overhead */ |
2436 | time_update (EV_A_ 1e100); |
3338 | time_update (EV_A_ 1e100); |
2437 | |
3339 | |
|
|
3340 | /* from now on, we want a pipe-wake-up */ |
|
|
3341 | pipe_write_wanted = 1; |
|
|
3342 | |
|
|
3343 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3344 | |
2438 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
3345 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2439 | { |
3346 | { |
2440 | waittime = MAX_BLOCKTIME; |
3347 | waittime = MAX_BLOCKTIME; |
2441 | |
3348 | |
2442 | if (timercnt) |
3349 | if (timercnt) |
2443 | { |
3350 | { |
2444 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
3351 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2445 | if (waittime > to) waittime = to; |
3352 | if (waittime > to) waittime = to; |
2446 | } |
3353 | } |
2447 | |
3354 | |
2448 | #if EV_PERIODIC_ENABLE |
3355 | #if EV_PERIODIC_ENABLE |
2449 | if (periodiccnt) |
3356 | if (periodiccnt) |
2450 | { |
3357 | { |
2451 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
3358 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2452 | if (waittime > to) waittime = to; |
3359 | if (waittime > to) waittime = to; |
2453 | } |
3360 | } |
2454 | #endif |
3361 | #endif |
2455 | |
3362 | |
2456 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3363 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2457 | if (expect_false (waittime < timeout_blocktime)) |
3364 | if (expect_false (waittime < timeout_blocktime)) |
2458 | waittime = timeout_blocktime; |
3365 | waittime = timeout_blocktime; |
|
|
3366 | |
|
|
3367 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
3368 | /* to pass a minimum nonzero value to the backend */ |
|
|
3369 | if (expect_false (waittime < backend_mintime)) |
|
|
3370 | waittime = backend_mintime; |
2459 | |
3371 | |
2460 | /* extra check because io_blocktime is commonly 0 */ |
3372 | /* extra check because io_blocktime is commonly 0 */ |
2461 | if (expect_false (io_blocktime)) |
3373 | if (expect_false (io_blocktime)) |
2462 | { |
3374 | { |
2463 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3375 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2464 | |
3376 | |
2465 | if (sleeptime > waittime - backend_fudge) |
3377 | if (sleeptime > waittime - backend_mintime) |
2466 | sleeptime = waittime - backend_fudge; |
3378 | sleeptime = waittime - backend_mintime; |
2467 | |
3379 | |
2468 | if (expect_true (sleeptime > 0.)) |
3380 | if (expect_true (sleeptime > 0.)) |
2469 | { |
3381 | { |
2470 | ev_sleep (sleeptime); |
3382 | ev_sleep (sleeptime); |
2471 | waittime -= sleeptime; |
3383 | waittime -= sleeptime; |
… | |
… | |
2478 | #endif |
3390 | #endif |
2479 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3391 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2480 | backend_poll (EV_A_ waittime); |
3392 | backend_poll (EV_A_ waittime); |
2481 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3393 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2482 | |
3394 | |
|
|
3395 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
3396 | |
|
|
3397 | ECB_MEMORY_FENCE_ACQUIRE; |
|
|
3398 | if (pipe_write_skipped) |
|
|
3399 | { |
|
|
3400 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3401 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3402 | } |
|
|
3403 | |
|
|
3404 | |
2483 | /* update ev_rt_now, do magic */ |
3405 | /* update ev_rt_now, do magic */ |
2484 | time_update (EV_A_ waittime + sleeptime); |
3406 | time_update (EV_A_ waittime + sleeptime); |
2485 | } |
3407 | } |
2486 | |
3408 | |
2487 | /* queue pending timers and reschedule them */ |
3409 | /* queue pending timers and reschedule them */ |
… | |
… | |
2513 | loop_done = EVBREAK_CANCEL; |
3435 | loop_done = EVBREAK_CANCEL; |
2514 | |
3436 | |
2515 | #if EV_FEATURE_API |
3437 | #if EV_FEATURE_API |
2516 | --loop_depth; |
3438 | --loop_depth; |
2517 | #endif |
3439 | #endif |
|
|
3440 | |
|
|
3441 | return activecnt; |
2518 | } |
3442 | } |
2519 | |
3443 | |
2520 | void |
3444 | void |
2521 | ev_break (EV_P_ int how) |
3445 | ev_break (EV_P_ int how) EV_THROW |
2522 | { |
3446 | { |
2523 | loop_done = how; |
3447 | loop_done = how; |
2524 | } |
3448 | } |
2525 | |
3449 | |
2526 | void |
3450 | void |
2527 | ev_ref (EV_P) |
3451 | ev_ref (EV_P) EV_THROW |
2528 | { |
3452 | { |
2529 | ++activecnt; |
3453 | ++activecnt; |
2530 | } |
3454 | } |
2531 | |
3455 | |
2532 | void |
3456 | void |
2533 | ev_unref (EV_P) |
3457 | ev_unref (EV_P) EV_THROW |
2534 | { |
3458 | { |
2535 | --activecnt; |
3459 | --activecnt; |
2536 | } |
3460 | } |
2537 | |
3461 | |
2538 | void |
3462 | void |
2539 | ev_now_update (EV_P) |
3463 | ev_now_update (EV_P) EV_THROW |
2540 | { |
3464 | { |
2541 | time_update (EV_A_ 1e100); |
3465 | time_update (EV_A_ 1e100); |
2542 | } |
3466 | } |
2543 | |
3467 | |
2544 | void |
3468 | void |
2545 | ev_suspend (EV_P) |
3469 | ev_suspend (EV_P) EV_THROW |
2546 | { |
3470 | { |
2547 | ev_now_update (EV_A); |
3471 | ev_now_update (EV_A); |
2548 | } |
3472 | } |
2549 | |
3473 | |
2550 | void |
3474 | void |
2551 | ev_resume (EV_P) |
3475 | ev_resume (EV_P) EV_THROW |
2552 | { |
3476 | { |
2553 | ev_tstamp mn_prev = mn_now; |
3477 | ev_tstamp mn_prev = mn_now; |
2554 | |
3478 | |
2555 | ev_now_update (EV_A); |
3479 | ev_now_update (EV_A); |
2556 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3480 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2595 | w->pending = 0; |
3519 | w->pending = 0; |
2596 | } |
3520 | } |
2597 | } |
3521 | } |
2598 | |
3522 | |
2599 | int |
3523 | int |
2600 | ev_clear_pending (EV_P_ void *w) |
3524 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2601 | { |
3525 | { |
2602 | W w_ = (W)w; |
3526 | W w_ = (W)w; |
2603 | int pending = w_->pending; |
3527 | int pending = w_->pending; |
2604 | |
3528 | |
2605 | if (expect_true (pending)) |
3529 | if (expect_true (pending)) |
… | |
… | |
2638 | } |
3562 | } |
2639 | |
3563 | |
2640 | /*****************************************************************************/ |
3564 | /*****************************************************************************/ |
2641 | |
3565 | |
2642 | void noinline |
3566 | void noinline |
2643 | ev_io_start (EV_P_ ev_io *w) |
3567 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2644 | { |
3568 | { |
2645 | int fd = w->fd; |
3569 | int fd = w->fd; |
2646 | |
3570 | |
2647 | if (expect_false (ev_is_active (w))) |
3571 | if (expect_false (ev_is_active (w))) |
2648 | return; |
3572 | return; |
… | |
… | |
2654 | |
3578 | |
2655 | ev_start (EV_A_ (W)w, 1); |
3579 | ev_start (EV_A_ (W)w, 1); |
2656 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3580 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2657 | wlist_add (&anfds[fd].head, (WL)w); |
3581 | wlist_add (&anfds[fd].head, (WL)w); |
2658 | |
3582 | |
|
|
3583 | /* common bug, apparently */ |
|
|
3584 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3585 | |
2659 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3586 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2660 | w->events &= ~EV__IOFDSET; |
3587 | w->events &= ~EV__IOFDSET; |
2661 | |
3588 | |
2662 | EV_FREQUENT_CHECK; |
3589 | EV_FREQUENT_CHECK; |
2663 | } |
3590 | } |
2664 | |
3591 | |
2665 | void noinline |
3592 | void noinline |
2666 | ev_io_stop (EV_P_ ev_io *w) |
3593 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2667 | { |
3594 | { |
2668 | clear_pending (EV_A_ (W)w); |
3595 | clear_pending (EV_A_ (W)w); |
2669 | if (expect_false (!ev_is_active (w))) |
3596 | if (expect_false (!ev_is_active (w))) |
2670 | return; |
3597 | return; |
2671 | |
3598 | |
… | |
… | |
2680 | |
3607 | |
2681 | EV_FREQUENT_CHECK; |
3608 | EV_FREQUENT_CHECK; |
2682 | } |
3609 | } |
2683 | |
3610 | |
2684 | void noinline |
3611 | void noinline |
2685 | ev_timer_start (EV_P_ ev_timer *w) |
3612 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2686 | { |
3613 | { |
2687 | if (expect_false (ev_is_active (w))) |
3614 | if (expect_false (ev_is_active (w))) |
2688 | return; |
3615 | return; |
2689 | |
3616 | |
2690 | ev_at (w) += mn_now; |
3617 | ev_at (w) += mn_now; |
… | |
… | |
2704 | |
3631 | |
2705 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3632 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2706 | } |
3633 | } |
2707 | |
3634 | |
2708 | void noinline |
3635 | void noinline |
2709 | ev_timer_stop (EV_P_ ev_timer *w) |
3636 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2710 | { |
3637 | { |
2711 | clear_pending (EV_A_ (W)w); |
3638 | clear_pending (EV_A_ (W)w); |
2712 | if (expect_false (!ev_is_active (w))) |
3639 | if (expect_false (!ev_is_active (w))) |
2713 | return; |
3640 | return; |
2714 | |
3641 | |
… | |
… | |
2734 | |
3661 | |
2735 | EV_FREQUENT_CHECK; |
3662 | EV_FREQUENT_CHECK; |
2736 | } |
3663 | } |
2737 | |
3664 | |
2738 | void noinline |
3665 | void noinline |
2739 | ev_timer_again (EV_P_ ev_timer *w) |
3666 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2740 | { |
3667 | { |
2741 | EV_FREQUENT_CHECK; |
3668 | EV_FREQUENT_CHECK; |
|
|
3669 | |
|
|
3670 | clear_pending (EV_A_ (W)w); |
2742 | |
3671 | |
2743 | if (ev_is_active (w)) |
3672 | if (ev_is_active (w)) |
2744 | { |
3673 | { |
2745 | if (w->repeat) |
3674 | if (w->repeat) |
2746 | { |
3675 | { |
… | |
… | |
2759 | |
3688 | |
2760 | EV_FREQUENT_CHECK; |
3689 | EV_FREQUENT_CHECK; |
2761 | } |
3690 | } |
2762 | |
3691 | |
2763 | ev_tstamp |
3692 | ev_tstamp |
2764 | ev_timer_remaining (EV_P_ ev_timer *w) |
3693 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2765 | { |
3694 | { |
2766 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3695 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2767 | } |
3696 | } |
2768 | |
3697 | |
2769 | #if EV_PERIODIC_ENABLE |
3698 | #if EV_PERIODIC_ENABLE |
2770 | void noinline |
3699 | void noinline |
2771 | ev_periodic_start (EV_P_ ev_periodic *w) |
3700 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2772 | { |
3701 | { |
2773 | if (expect_false (ev_is_active (w))) |
3702 | if (expect_false (ev_is_active (w))) |
2774 | return; |
3703 | return; |
2775 | |
3704 | |
2776 | if (w->reschedule_cb) |
3705 | if (w->reschedule_cb) |
… | |
… | |
2796 | |
3725 | |
2797 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3726 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2798 | } |
3727 | } |
2799 | |
3728 | |
2800 | void noinline |
3729 | void noinline |
2801 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3730 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2802 | { |
3731 | { |
2803 | clear_pending (EV_A_ (W)w); |
3732 | clear_pending (EV_A_ (W)w); |
2804 | if (expect_false (!ev_is_active (w))) |
3733 | if (expect_false (!ev_is_active (w))) |
2805 | return; |
3734 | return; |
2806 | |
3735 | |
… | |
… | |
2824 | |
3753 | |
2825 | EV_FREQUENT_CHECK; |
3754 | EV_FREQUENT_CHECK; |
2826 | } |
3755 | } |
2827 | |
3756 | |
2828 | void noinline |
3757 | void noinline |
2829 | ev_periodic_again (EV_P_ ev_periodic *w) |
3758 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2830 | { |
3759 | { |
2831 | /* TODO: use adjustheap and recalculation */ |
3760 | /* TODO: use adjustheap and recalculation */ |
2832 | ev_periodic_stop (EV_A_ w); |
3761 | ev_periodic_stop (EV_A_ w); |
2833 | ev_periodic_start (EV_A_ w); |
3762 | ev_periodic_start (EV_A_ w); |
2834 | } |
3763 | } |
… | |
… | |
2839 | #endif |
3768 | #endif |
2840 | |
3769 | |
2841 | #if EV_SIGNAL_ENABLE |
3770 | #if EV_SIGNAL_ENABLE |
2842 | |
3771 | |
2843 | void noinline |
3772 | void noinline |
2844 | ev_signal_start (EV_P_ ev_signal *w) |
3773 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2845 | { |
3774 | { |
2846 | if (expect_false (ev_is_active (w))) |
3775 | if (expect_false (ev_is_active (w))) |
2847 | return; |
3776 | return; |
2848 | |
3777 | |
2849 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3778 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
2851 | #if EV_MULTIPLICITY |
3780 | #if EV_MULTIPLICITY |
2852 | assert (("libev: a signal must not be attached to two different loops", |
3781 | assert (("libev: a signal must not be attached to two different loops", |
2853 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3782 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2854 | |
3783 | |
2855 | signals [w->signum - 1].loop = EV_A; |
3784 | signals [w->signum - 1].loop = EV_A; |
|
|
3785 | ECB_MEMORY_FENCE_RELEASE; |
2856 | #endif |
3786 | #endif |
2857 | |
3787 | |
2858 | EV_FREQUENT_CHECK; |
3788 | EV_FREQUENT_CHECK; |
2859 | |
3789 | |
2860 | #if EV_USE_SIGNALFD |
3790 | #if EV_USE_SIGNALFD |
… | |
… | |
2920 | |
3850 | |
2921 | EV_FREQUENT_CHECK; |
3851 | EV_FREQUENT_CHECK; |
2922 | } |
3852 | } |
2923 | |
3853 | |
2924 | void noinline |
3854 | void noinline |
2925 | ev_signal_stop (EV_P_ ev_signal *w) |
3855 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
2926 | { |
3856 | { |
2927 | clear_pending (EV_A_ (W)w); |
3857 | clear_pending (EV_A_ (W)w); |
2928 | if (expect_false (!ev_is_active (w))) |
3858 | if (expect_false (!ev_is_active (w))) |
2929 | return; |
3859 | return; |
2930 | |
3860 | |
… | |
… | |
2961 | #endif |
3891 | #endif |
2962 | |
3892 | |
2963 | #if EV_CHILD_ENABLE |
3893 | #if EV_CHILD_ENABLE |
2964 | |
3894 | |
2965 | void |
3895 | void |
2966 | ev_child_start (EV_P_ ev_child *w) |
3896 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
2967 | { |
3897 | { |
2968 | #if EV_MULTIPLICITY |
3898 | #if EV_MULTIPLICITY |
2969 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3899 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2970 | #endif |
3900 | #endif |
2971 | if (expect_false (ev_is_active (w))) |
3901 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2978 | |
3908 | |
2979 | EV_FREQUENT_CHECK; |
3909 | EV_FREQUENT_CHECK; |
2980 | } |
3910 | } |
2981 | |
3911 | |
2982 | void |
3912 | void |
2983 | ev_child_stop (EV_P_ ev_child *w) |
3913 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
2984 | { |
3914 | { |
2985 | clear_pending (EV_A_ (W)w); |
3915 | clear_pending (EV_A_ (W)w); |
2986 | if (expect_false (!ev_is_active (w))) |
3916 | if (expect_false (!ev_is_active (w))) |
2987 | return; |
3917 | return; |
2988 | |
3918 | |
… | |
… | |
3015 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3945 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3016 | |
3946 | |
3017 | static void noinline |
3947 | static void noinline |
3018 | infy_add (EV_P_ ev_stat *w) |
3948 | infy_add (EV_P_ ev_stat *w) |
3019 | { |
3949 | { |
3020 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
3950 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
3951 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
3952 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
3953 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3021 | |
3954 | |
3022 | if (w->wd >= 0) |
3955 | if (w->wd >= 0) |
3023 | { |
3956 | { |
3024 | struct statfs sfs; |
3957 | struct statfs sfs; |
3025 | |
3958 | |
… | |
… | |
3029 | |
3962 | |
3030 | if (!fs_2625) |
3963 | if (!fs_2625) |
3031 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3964 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3032 | else if (!statfs (w->path, &sfs) |
3965 | else if (!statfs (w->path, &sfs) |
3033 | && (sfs.f_type == 0x1373 /* devfs */ |
3966 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3967 | || sfs.f_type == 0x4006 /* fat */ |
|
|
3968 | || sfs.f_type == 0x4d44 /* msdos */ |
3034 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
3969 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3970 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
3971 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
3972 | || sfs.f_type == 0x5346544e /* ntfs */ |
3035 | || sfs.f_type == 0x3153464a /* jfs */ |
3973 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3974 | || sfs.f_type == 0x9123683e /* btrfs */ |
3036 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3975 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3037 | || sfs.f_type == 0x01021994 /* tempfs */ |
3976 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3038 | || sfs.f_type == 0x58465342 /* xfs */)) |
3977 | || sfs.f_type == 0x58465342 /* xfs */)) |
3039 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3978 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3040 | else |
3979 | else |
3041 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3980 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3042 | } |
3981 | } |
… | |
… | |
3063 | if (!pend || pend == path) |
4002 | if (!pend || pend == path) |
3064 | break; |
4003 | break; |
3065 | |
4004 | |
3066 | *pend = 0; |
4005 | *pend = 0; |
3067 | w->wd = inotify_add_watch (fs_fd, path, mask); |
4006 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3068 | } |
4007 | } |
3069 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
4008 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3070 | } |
4009 | } |
3071 | } |
4010 | } |
3072 | |
4011 | |
3073 | if (w->wd >= 0) |
4012 | if (w->wd >= 0) |
… | |
… | |
3140 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4079 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3141 | ofs += sizeof (struct inotify_event) + ev->len; |
4080 | ofs += sizeof (struct inotify_event) + ev->len; |
3142 | } |
4081 | } |
3143 | } |
4082 | } |
3144 | |
4083 | |
3145 | inline_size void |
4084 | inline_size void ecb_cold |
3146 | ev_check_2625 (EV_P) |
4085 | ev_check_2625 (EV_P) |
3147 | { |
4086 | { |
3148 | /* kernels < 2.6.25 are borked |
4087 | /* kernels < 2.6.25 are borked |
3149 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4088 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3150 | */ |
4089 | */ |
… | |
… | |
3155 | } |
4094 | } |
3156 | |
4095 | |
3157 | inline_size int |
4096 | inline_size int |
3158 | infy_newfd (void) |
4097 | infy_newfd (void) |
3159 | { |
4098 | { |
3160 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4099 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3161 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4100 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3162 | if (fd >= 0) |
4101 | if (fd >= 0) |
3163 | return fd; |
4102 | return fd; |
3164 | #endif |
4103 | #endif |
3165 | return inotify_init (); |
4104 | return inotify_init (); |
… | |
… | |
3240 | #else |
4179 | #else |
3241 | # define EV_LSTAT(p,b) lstat (p, b) |
4180 | # define EV_LSTAT(p,b) lstat (p, b) |
3242 | #endif |
4181 | #endif |
3243 | |
4182 | |
3244 | void |
4183 | void |
3245 | ev_stat_stat (EV_P_ ev_stat *w) |
4184 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3246 | { |
4185 | { |
3247 | if (lstat (w->path, &w->attr) < 0) |
4186 | if (lstat (w->path, &w->attr) < 0) |
3248 | w->attr.st_nlink = 0; |
4187 | w->attr.st_nlink = 0; |
3249 | else if (!w->attr.st_nlink) |
4188 | else if (!w->attr.st_nlink) |
3250 | w->attr.st_nlink = 1; |
4189 | w->attr.st_nlink = 1; |
… | |
… | |
3289 | ev_feed_event (EV_A_ w, EV_STAT); |
4228 | ev_feed_event (EV_A_ w, EV_STAT); |
3290 | } |
4229 | } |
3291 | } |
4230 | } |
3292 | |
4231 | |
3293 | void |
4232 | void |
3294 | ev_stat_start (EV_P_ ev_stat *w) |
4233 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3295 | { |
4234 | { |
3296 | if (expect_false (ev_is_active (w))) |
4235 | if (expect_false (ev_is_active (w))) |
3297 | return; |
4236 | return; |
3298 | |
4237 | |
3299 | ev_stat_stat (EV_A_ w); |
4238 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3320 | |
4259 | |
3321 | EV_FREQUENT_CHECK; |
4260 | EV_FREQUENT_CHECK; |
3322 | } |
4261 | } |
3323 | |
4262 | |
3324 | void |
4263 | void |
3325 | ev_stat_stop (EV_P_ ev_stat *w) |
4264 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3326 | { |
4265 | { |
3327 | clear_pending (EV_A_ (W)w); |
4266 | clear_pending (EV_A_ (W)w); |
3328 | if (expect_false (!ev_is_active (w))) |
4267 | if (expect_false (!ev_is_active (w))) |
3329 | return; |
4268 | return; |
3330 | |
4269 | |
… | |
… | |
3346 | } |
4285 | } |
3347 | #endif |
4286 | #endif |
3348 | |
4287 | |
3349 | #if EV_IDLE_ENABLE |
4288 | #if EV_IDLE_ENABLE |
3350 | void |
4289 | void |
3351 | ev_idle_start (EV_P_ ev_idle *w) |
4290 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3352 | { |
4291 | { |
3353 | if (expect_false (ev_is_active (w))) |
4292 | if (expect_false (ev_is_active (w))) |
3354 | return; |
4293 | return; |
3355 | |
4294 | |
3356 | pri_adjust (EV_A_ (W)w); |
4295 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3369 | |
4308 | |
3370 | EV_FREQUENT_CHECK; |
4309 | EV_FREQUENT_CHECK; |
3371 | } |
4310 | } |
3372 | |
4311 | |
3373 | void |
4312 | void |
3374 | ev_idle_stop (EV_P_ ev_idle *w) |
4313 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3375 | { |
4314 | { |
3376 | clear_pending (EV_A_ (W)w); |
4315 | clear_pending (EV_A_ (W)w); |
3377 | if (expect_false (!ev_is_active (w))) |
4316 | if (expect_false (!ev_is_active (w))) |
3378 | return; |
4317 | return; |
3379 | |
4318 | |
… | |
… | |
3393 | } |
4332 | } |
3394 | #endif |
4333 | #endif |
3395 | |
4334 | |
3396 | #if EV_PREPARE_ENABLE |
4335 | #if EV_PREPARE_ENABLE |
3397 | void |
4336 | void |
3398 | ev_prepare_start (EV_P_ ev_prepare *w) |
4337 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3399 | { |
4338 | { |
3400 | if (expect_false (ev_is_active (w))) |
4339 | if (expect_false (ev_is_active (w))) |
3401 | return; |
4340 | return; |
3402 | |
4341 | |
3403 | EV_FREQUENT_CHECK; |
4342 | EV_FREQUENT_CHECK; |
… | |
… | |
3408 | |
4347 | |
3409 | EV_FREQUENT_CHECK; |
4348 | EV_FREQUENT_CHECK; |
3410 | } |
4349 | } |
3411 | |
4350 | |
3412 | void |
4351 | void |
3413 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4352 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3414 | { |
4353 | { |
3415 | clear_pending (EV_A_ (W)w); |
4354 | clear_pending (EV_A_ (W)w); |
3416 | if (expect_false (!ev_is_active (w))) |
4355 | if (expect_false (!ev_is_active (w))) |
3417 | return; |
4356 | return; |
3418 | |
4357 | |
… | |
… | |
3431 | } |
4370 | } |
3432 | #endif |
4371 | #endif |
3433 | |
4372 | |
3434 | #if EV_CHECK_ENABLE |
4373 | #if EV_CHECK_ENABLE |
3435 | void |
4374 | void |
3436 | ev_check_start (EV_P_ ev_check *w) |
4375 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3437 | { |
4376 | { |
3438 | if (expect_false (ev_is_active (w))) |
4377 | if (expect_false (ev_is_active (w))) |
3439 | return; |
4378 | return; |
3440 | |
4379 | |
3441 | EV_FREQUENT_CHECK; |
4380 | EV_FREQUENT_CHECK; |
… | |
… | |
3446 | |
4385 | |
3447 | EV_FREQUENT_CHECK; |
4386 | EV_FREQUENT_CHECK; |
3448 | } |
4387 | } |
3449 | |
4388 | |
3450 | void |
4389 | void |
3451 | ev_check_stop (EV_P_ ev_check *w) |
4390 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3452 | { |
4391 | { |
3453 | clear_pending (EV_A_ (W)w); |
4392 | clear_pending (EV_A_ (W)w); |
3454 | if (expect_false (!ev_is_active (w))) |
4393 | if (expect_false (!ev_is_active (w))) |
3455 | return; |
4394 | return; |
3456 | |
4395 | |
… | |
… | |
3469 | } |
4408 | } |
3470 | #endif |
4409 | #endif |
3471 | |
4410 | |
3472 | #if EV_EMBED_ENABLE |
4411 | #if EV_EMBED_ENABLE |
3473 | void noinline |
4412 | void noinline |
3474 | ev_embed_sweep (EV_P_ ev_embed *w) |
4413 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3475 | { |
4414 | { |
3476 | ev_run (w->other, EVRUN_NOWAIT); |
4415 | ev_run (w->other, EVRUN_NOWAIT); |
3477 | } |
4416 | } |
3478 | |
4417 | |
3479 | static void |
4418 | static void |
… | |
… | |
3527 | ev_idle_stop (EV_A_ idle); |
4466 | ev_idle_stop (EV_A_ idle); |
3528 | } |
4467 | } |
3529 | #endif |
4468 | #endif |
3530 | |
4469 | |
3531 | void |
4470 | void |
3532 | ev_embed_start (EV_P_ ev_embed *w) |
4471 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3533 | { |
4472 | { |
3534 | if (expect_false (ev_is_active (w))) |
4473 | if (expect_false (ev_is_active (w))) |
3535 | return; |
4474 | return; |
3536 | |
4475 | |
3537 | { |
4476 | { |
… | |
… | |
3558 | |
4497 | |
3559 | EV_FREQUENT_CHECK; |
4498 | EV_FREQUENT_CHECK; |
3560 | } |
4499 | } |
3561 | |
4500 | |
3562 | void |
4501 | void |
3563 | ev_embed_stop (EV_P_ ev_embed *w) |
4502 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3564 | { |
4503 | { |
3565 | clear_pending (EV_A_ (W)w); |
4504 | clear_pending (EV_A_ (W)w); |
3566 | if (expect_false (!ev_is_active (w))) |
4505 | if (expect_false (!ev_is_active (w))) |
3567 | return; |
4506 | return; |
3568 | |
4507 | |
… | |
… | |
3578 | } |
4517 | } |
3579 | #endif |
4518 | #endif |
3580 | |
4519 | |
3581 | #if EV_FORK_ENABLE |
4520 | #if EV_FORK_ENABLE |
3582 | void |
4521 | void |
3583 | ev_fork_start (EV_P_ ev_fork *w) |
4522 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3584 | { |
4523 | { |
3585 | if (expect_false (ev_is_active (w))) |
4524 | if (expect_false (ev_is_active (w))) |
3586 | return; |
4525 | return; |
3587 | |
4526 | |
3588 | EV_FREQUENT_CHECK; |
4527 | EV_FREQUENT_CHECK; |
… | |
… | |
3593 | |
4532 | |
3594 | EV_FREQUENT_CHECK; |
4533 | EV_FREQUENT_CHECK; |
3595 | } |
4534 | } |
3596 | |
4535 | |
3597 | void |
4536 | void |
3598 | ev_fork_stop (EV_P_ ev_fork *w) |
4537 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3599 | { |
4538 | { |
3600 | clear_pending (EV_A_ (W)w); |
4539 | clear_pending (EV_A_ (W)w); |
3601 | if (expect_false (!ev_is_active (w))) |
4540 | if (expect_false (!ev_is_active (w))) |
3602 | return; |
4541 | return; |
3603 | |
4542 | |
… | |
… | |
3616 | } |
4555 | } |
3617 | #endif |
4556 | #endif |
3618 | |
4557 | |
3619 | #if EV_CLEANUP_ENABLE |
4558 | #if EV_CLEANUP_ENABLE |
3620 | void |
4559 | void |
3621 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4560 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
3622 | { |
4561 | { |
3623 | if (expect_false (ev_is_active (w))) |
4562 | if (expect_false (ev_is_active (w))) |
3624 | return; |
4563 | return; |
3625 | |
4564 | |
3626 | EV_FREQUENT_CHECK; |
4565 | EV_FREQUENT_CHECK; |
… | |
… | |
3633 | ev_unref (EV_A); |
4572 | ev_unref (EV_A); |
3634 | EV_FREQUENT_CHECK; |
4573 | EV_FREQUENT_CHECK; |
3635 | } |
4574 | } |
3636 | |
4575 | |
3637 | void |
4576 | void |
3638 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4577 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
3639 | { |
4578 | { |
3640 | clear_pending (EV_A_ (W)w); |
4579 | clear_pending (EV_A_ (W)w); |
3641 | if (expect_false (!ev_is_active (w))) |
4580 | if (expect_false (!ev_is_active (w))) |
3642 | return; |
4581 | return; |
3643 | |
4582 | |
… | |
… | |
3657 | } |
4596 | } |
3658 | #endif |
4597 | #endif |
3659 | |
4598 | |
3660 | #if EV_ASYNC_ENABLE |
4599 | #if EV_ASYNC_ENABLE |
3661 | void |
4600 | void |
3662 | ev_async_start (EV_P_ ev_async *w) |
4601 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3663 | { |
4602 | { |
3664 | if (expect_false (ev_is_active (w))) |
4603 | if (expect_false (ev_is_active (w))) |
3665 | return; |
4604 | return; |
3666 | |
4605 | |
3667 | w->sent = 0; |
4606 | w->sent = 0; |
… | |
… | |
3676 | |
4615 | |
3677 | EV_FREQUENT_CHECK; |
4616 | EV_FREQUENT_CHECK; |
3678 | } |
4617 | } |
3679 | |
4618 | |
3680 | void |
4619 | void |
3681 | ev_async_stop (EV_P_ ev_async *w) |
4620 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3682 | { |
4621 | { |
3683 | clear_pending (EV_A_ (W)w); |
4622 | clear_pending (EV_A_ (W)w); |
3684 | if (expect_false (!ev_is_active (w))) |
4623 | if (expect_false (!ev_is_active (w))) |
3685 | return; |
4624 | return; |
3686 | |
4625 | |
… | |
… | |
3697 | |
4636 | |
3698 | EV_FREQUENT_CHECK; |
4637 | EV_FREQUENT_CHECK; |
3699 | } |
4638 | } |
3700 | |
4639 | |
3701 | void |
4640 | void |
3702 | ev_async_send (EV_P_ ev_async *w) |
4641 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3703 | { |
4642 | { |
3704 | w->sent = 1; |
4643 | w->sent = 1; |
3705 | evpipe_write (EV_A_ &async_pending); |
4644 | evpipe_write (EV_A_ &async_pending); |
3706 | } |
4645 | } |
3707 | #endif |
4646 | #endif |
… | |
… | |
3744 | |
4683 | |
3745 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4684 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3746 | } |
4685 | } |
3747 | |
4686 | |
3748 | void |
4687 | void |
3749 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4688 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3750 | { |
4689 | { |
3751 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4690 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3752 | |
4691 | |
3753 | if (expect_false (!once)) |
4692 | if (expect_false (!once)) |
3754 | { |
4693 | { |
… | |
… | |
3775 | } |
4714 | } |
3776 | |
4715 | |
3777 | /*****************************************************************************/ |
4716 | /*****************************************************************************/ |
3778 | |
4717 | |
3779 | #if EV_WALK_ENABLE |
4718 | #if EV_WALK_ENABLE |
3780 | void |
4719 | void ecb_cold |
3781 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4720 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3782 | { |
4721 | { |
3783 | int i, j; |
4722 | int i, j; |
3784 | ev_watcher_list *wl, *wn; |
4723 | ev_watcher_list *wl, *wn; |
3785 | |
4724 | |
3786 | if (types & (EV_IO | EV_EMBED)) |
4725 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3829 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4768 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3830 | #endif |
4769 | #endif |
3831 | |
4770 | |
3832 | #if EV_IDLE_ENABLE |
4771 | #if EV_IDLE_ENABLE |
3833 | if (types & EV_IDLE) |
4772 | if (types & EV_IDLE) |
3834 | for (j = NUMPRI; i--; ) |
4773 | for (j = NUMPRI; j--; ) |
3835 | for (i = idlecnt [j]; i--; ) |
4774 | for (i = idlecnt [j]; i--; ) |
3836 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4775 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3837 | #endif |
4776 | #endif |
3838 | |
4777 | |
3839 | #if EV_FORK_ENABLE |
4778 | #if EV_FORK_ENABLE |
… | |
… | |
3892 | |
4831 | |
3893 | #if EV_MULTIPLICITY |
4832 | #if EV_MULTIPLICITY |
3894 | #include "ev_wrap.h" |
4833 | #include "ev_wrap.h" |
3895 | #endif |
4834 | #endif |
3896 | |
4835 | |
3897 | EV_CPP(}) |
|
|
3898 | |
|
|