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 | # error "unable to find value for NSIG, please report" |
232 | /* to make it compile regardless, just remove the above line, */ |
247 | /* to make it compile regardless, just remove the above line, */ |
233 | /* but consider reporting it, too! :) */ |
248 | /* but consider reporting it, too! :) */ |
234 | # define EV_NSIG 65 |
249 | # define EV_NSIG 65 |
235 | #endif |
250 | #endif |
236 | |
251 | |
|
|
252 | #ifndef EV_USE_FLOOR |
|
|
253 | # define EV_USE_FLOOR 0 |
|
|
254 | #endif |
|
|
255 | |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
238 | # if __linux && __GLIBC__ >= 2 |
257 | # if __linux && __GLIBC__ >= 2 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
240 | # else |
259 | # else |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
242 | # endif |
261 | # endif |
243 | #endif |
262 | #endif |
244 | |
263 | |
245 | #ifndef EV_USE_MONOTONIC |
264 | #ifndef EV_USE_MONOTONIC |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
266 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
248 | # else |
267 | # else |
249 | # define EV_USE_MONOTONIC 0 |
268 | # define EV_USE_MONOTONIC 0 |
250 | # endif |
269 | # endif |
251 | #endif |
270 | #endif |
… | |
… | |
338 | |
357 | |
339 | #ifndef EV_HEAP_CACHE_AT |
358 | #ifndef EV_HEAP_CACHE_AT |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
341 | #endif |
360 | #endif |
342 | |
361 | |
|
|
362 | #ifdef ANDROID |
|
|
363 | /* supposedly, android doesn't typedef fd_mask */ |
|
|
364 | # undef EV_USE_SELECT |
|
|
365 | # define EV_USE_SELECT 0 |
|
|
366 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
|
|
367 | # undef EV_USE_CLOCK_SYSCALL |
|
|
368 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
369 | #endif |
|
|
370 | |
|
|
371 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
372 | #ifdef _AIX |
|
|
373 | /* AIX has a completely broken poll.h header */ |
|
|
374 | # undef EV_USE_POLL |
|
|
375 | # define EV_USE_POLL 0 |
|
|
376 | #endif |
|
|
377 | |
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
378 | /* 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. */ |
379 | /* which makes programs even slower. might work on other unices, too. */ |
345 | #if EV_USE_CLOCK_SYSCALL |
380 | #if EV_USE_CLOCK_SYSCALL |
346 | # include <syscall.h> |
381 | # include <sys/syscall.h> |
347 | # ifdef SYS_clock_gettime |
382 | # ifdef SYS_clock_gettime |
348 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
383 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
349 | # undef EV_USE_MONOTONIC |
384 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 1 |
385 | # define EV_USE_MONOTONIC 1 |
351 | # else |
386 | # else |
… | |
… | |
354 | # endif |
389 | # endif |
355 | #endif |
390 | #endif |
356 | |
391 | |
357 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
392 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
358 | |
393 | |
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 |
394 | #ifndef CLOCK_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
395 | # undef EV_USE_MONOTONIC |
367 | # define EV_USE_MONOTONIC 0 |
396 | # define EV_USE_MONOTONIC 0 |
368 | #endif |
397 | #endif |
369 | |
398 | |
… | |
… | |
376 | # undef EV_USE_INOTIFY |
405 | # undef EV_USE_INOTIFY |
377 | # define EV_USE_INOTIFY 0 |
406 | # define EV_USE_INOTIFY 0 |
378 | #endif |
407 | #endif |
379 | |
408 | |
380 | #if !EV_USE_NANOSLEEP |
409 | #if !EV_USE_NANOSLEEP |
381 | # ifndef _WIN32 |
410 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
411 | # if !defined _WIN32 && !defined __hpux |
382 | # include <sys/select.h> |
412 | # include <sys/select.h> |
383 | # endif |
413 | # endif |
384 | #endif |
414 | #endif |
385 | |
415 | |
386 | #if EV_USE_INOTIFY |
416 | #if EV_USE_INOTIFY |
… | |
… | |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
419 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
390 | # ifndef IN_DONT_FOLLOW |
420 | # ifndef IN_DONT_FOLLOW |
391 | # undef EV_USE_INOTIFY |
421 | # undef EV_USE_INOTIFY |
392 | # define EV_USE_INOTIFY 0 |
422 | # define EV_USE_INOTIFY 0 |
393 | # endif |
423 | # endif |
394 | #endif |
|
|
395 | |
|
|
396 | #if EV_SELECT_IS_WINSOCKET |
|
|
397 | # include <winsock.h> |
|
|
398 | #endif |
424 | #endif |
399 | |
425 | |
400 | #if EV_USE_EVENTFD |
426 | #if EV_USE_EVENTFD |
401 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
402 | # include <stdint.h> |
428 | # include <stdint.h> |
… | |
… | |
442 | #else |
468 | #else |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
469 | # define EV_FREQUENT_CHECK do { } while (0) |
444 | #endif |
470 | #endif |
445 | |
471 | |
446 | /* |
472 | /* |
447 | * This is used to avoid floating point rounding problems. |
473 | * This is used to work around floating point rounding problems. |
448 | * It is added to ev_rt_now when scheduling periodics |
|
|
449 | * to ensure progress, time-wise, even when rounding |
|
|
450 | * errors are against us. |
|
|
451 | * This value is good at least till the year 4000. |
474 | * This value is good at least till the year 4000. |
452 | * Better solutions welcome. |
|
|
453 | */ |
475 | */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
476 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
477 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
455 | |
478 | |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
479 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
480 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
458 | |
481 | |
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
482 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
483 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
461 | |
484 | |
|
|
485 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
|
|
486 | /* ECB.H BEGIN */ |
|
|
487 | /* |
|
|
488 | * libecb - http://software.schmorp.de/pkg/libecb |
|
|
489 | * |
|
|
490 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
|
|
491 | * Copyright (©) 2011 Emanuele Giaquinta |
|
|
492 | * All rights reserved. |
|
|
493 | * |
|
|
494 | * Redistribution and use in source and binary forms, with or without modifica- |
|
|
495 | * tion, are permitted provided that the following conditions are met: |
|
|
496 | * |
|
|
497 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
498 | * this list of conditions and the following disclaimer. |
|
|
499 | * |
|
|
500 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
501 | * notice, this list of conditions and the following disclaimer in the |
|
|
502 | * documentation and/or other materials provided with the distribution. |
|
|
503 | * |
|
|
504 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
505 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
506 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
507 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
508 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
509 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
510 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
511 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
512 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
513 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
514 | */ |
|
|
515 | |
|
|
516 | #ifndef ECB_H |
|
|
517 | #define ECB_H |
|
|
518 | |
|
|
519 | /* 16 bits major, 16 bits minor */ |
|
|
520 | #define ECB_VERSION 0x00010003 |
|
|
521 | |
|
|
522 | #ifdef _WIN32 |
|
|
523 | typedef signed char int8_t; |
|
|
524 | typedef unsigned char uint8_t; |
|
|
525 | typedef signed short int16_t; |
|
|
526 | typedef unsigned short uint16_t; |
|
|
527 | typedef signed int int32_t; |
|
|
528 | typedef unsigned int uint32_t; |
462 | #if __GNUC__ >= 4 |
529 | #if __GNUC__ |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
530 | typedef signed long long int64_t; |
464 | # define noinline __attribute__ ((noinline)) |
531 | typedef unsigned long long uint64_t; |
|
|
532 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
533 | typedef signed __int64 int64_t; |
|
|
534 | typedef unsigned __int64 uint64_t; |
|
|
535 | #endif |
|
|
536 | #ifdef _WIN64 |
|
|
537 | #define ECB_PTRSIZE 8 |
|
|
538 | typedef uint64_t uintptr_t; |
|
|
539 | typedef int64_t intptr_t; |
|
|
540 | #else |
|
|
541 | #define ECB_PTRSIZE 4 |
|
|
542 | typedef uint32_t uintptr_t; |
|
|
543 | typedef int32_t intptr_t; |
|
|
544 | #endif |
465 | #else |
545 | #else |
466 | # define expect(expr,value) (expr) |
546 | #include <inttypes.h> |
467 | # define noinline |
547 | #if UINTMAX_MAX > 0xffffffffU |
468 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
548 | #define ECB_PTRSIZE 8 |
469 | # define inline |
549 | #else |
|
|
550 | #define ECB_PTRSIZE 4 |
|
|
551 | #endif |
470 | # endif |
552 | #endif |
|
|
553 | |
|
|
554 | /* work around x32 idiocy by defining proper macros */ |
|
|
555 | #if __x86_64 || _M_AMD64 |
|
|
556 | #if __ILP32 |
|
|
557 | #define ECB_AMD64_X32 1 |
|
|
558 | #else |
|
|
559 | #define ECB_AMD64 1 |
471 | #endif |
560 | #endif |
|
|
561 | #endif |
472 | |
562 | |
|
|
563 | /* many compilers define _GNUC_ to some versions but then only implement |
|
|
564 | * what their idiot authors think are the "more important" extensions, |
|
|
565 | * causing enormous grief in return for some better fake benchmark numbers. |
|
|
566 | * or so. |
|
|
567 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
568 | * an issue with that they should have done it right in the first place. |
|
|
569 | */ |
|
|
570 | #ifndef ECB_GCC_VERSION |
|
|
571 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
|
|
572 | #define ECB_GCC_VERSION(major,minor) 0 |
|
|
573 | #else |
|
|
574 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
|
|
575 | #endif |
|
|
576 | #endif |
|
|
577 | |
|
|
578 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
|
|
579 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
580 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
|
|
581 | #define ECB_CPP (__cplusplus+0) |
|
|
582 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
583 | |
|
|
584 | #if ECB_CPP |
|
|
585 | #define ECB_EXTERN_C extern "C" |
|
|
586 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
|
|
587 | #define ECB_EXTERN_C_END } |
|
|
588 | #else |
|
|
589 | #define ECB_EXTERN_C extern |
|
|
590 | #define ECB_EXTERN_C_BEG |
|
|
591 | #define ECB_EXTERN_C_END |
|
|
592 | #endif |
|
|
593 | |
|
|
594 | /*****************************************************************************/ |
|
|
595 | |
|
|
596 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
597 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
598 | |
|
|
599 | #if ECB_NO_THREADS |
|
|
600 | #define ECB_NO_SMP 1 |
|
|
601 | #endif |
|
|
602 | |
|
|
603 | #if ECB_NO_SMP |
|
|
604 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
605 | #endif |
|
|
606 | |
|
|
607 | #ifndef ECB_MEMORY_FENCE |
|
|
608 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
609 | #if __i386 || __i386__ |
|
|
610 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
611 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
612 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
613 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
|
|
614 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
615 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
616 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
617 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
618 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
619 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
|
|
620 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
|
|
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
622 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
|
|
623 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
|
|
624 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
625 | #elif __sparc || __sparc__ |
|
|
626 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
629 | #elif defined __s390__ || defined __s390x__ |
|
|
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
631 | #elif defined __mips__ |
|
|
632 | /* GNU/Linux emulates sync on mips1 architectures, so we force it's use */ |
|
|
633 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
634 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
635 | #elif defined __alpha__ |
|
|
636 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
637 | #elif defined __hppa__ |
|
|
638 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
639 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
640 | #elif defined __ia64__ |
|
|
641 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
642 | #endif |
|
|
643 | #endif |
|
|
644 | #endif |
|
|
645 | |
|
|
646 | #ifndef ECB_MEMORY_FENCE |
|
|
647 | #if ECB_GCC_VERSION(4,7) |
|
|
648 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
649 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
650 | |
|
|
651 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
|
|
652 | * without risking compile time errors with other compilers. We *could* |
|
|
653 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
654 | * around this shit time and again. |
|
|
655 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
656 | * // see comment below (stdatomic.h) about the C11 memory model. |
|
|
657 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
658 | */ |
|
|
659 | |
|
|
660 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
|
|
661 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
662 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
663 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
664 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
665 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
666 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
667 | #elif defined _WIN32 |
|
|
668 | #include <WinNT.h> |
|
|
669 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
670 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
671 | #include <mbarrier.h> |
|
|
672 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
673 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
674 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
675 | #elif __xlC__ |
|
|
676 | #define ECB_MEMORY_FENCE __sync () |
|
|
677 | #endif |
|
|
678 | #endif |
|
|
679 | |
|
|
680 | #ifndef ECB_MEMORY_FENCE |
|
|
681 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
682 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
683 | /* not just C11 atomics and atomic accesses */ |
|
|
684 | #include <stdatomic.h> |
|
|
685 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
686 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
687 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
688 | /* for most usages, or gcc and clang have a bug */ |
|
|
689 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
690 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
691 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
692 | #endif |
|
|
693 | #endif |
|
|
694 | |
|
|
695 | #ifndef ECB_MEMORY_FENCE |
|
|
696 | #if !ECB_AVOID_PTHREADS |
|
|
697 | /* |
|
|
698 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
699 | * or failure to find pthread.h, then you should implement |
|
|
700 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
701 | * OR provide pthread.h and link against the posix thread library |
|
|
702 | * of your system. |
|
|
703 | */ |
|
|
704 | #include <pthread.h> |
|
|
705 | #define ECB_NEEDS_PTHREADS 1 |
|
|
706 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
707 | |
|
|
708 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
709 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
710 | #endif |
|
|
711 | #endif |
|
|
712 | |
|
|
713 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
|
|
714 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
715 | #endif |
|
|
716 | |
|
|
717 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
|
|
718 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
719 | #endif |
|
|
720 | |
|
|
721 | /*****************************************************************************/ |
|
|
722 | |
|
|
723 | #if __cplusplus |
|
|
724 | #define ecb_inline static inline |
|
|
725 | #elif ECB_GCC_VERSION(2,5) |
|
|
726 | #define ecb_inline static __inline__ |
|
|
727 | #elif ECB_C99 |
|
|
728 | #define ecb_inline static inline |
|
|
729 | #else |
|
|
730 | #define ecb_inline static |
|
|
731 | #endif |
|
|
732 | |
|
|
733 | #if ECB_GCC_VERSION(3,3) |
|
|
734 | #define ecb_restrict __restrict__ |
|
|
735 | #elif ECB_C99 |
|
|
736 | #define ecb_restrict restrict |
|
|
737 | #else |
|
|
738 | #define ecb_restrict |
|
|
739 | #endif |
|
|
740 | |
|
|
741 | typedef int ecb_bool; |
|
|
742 | |
|
|
743 | #define ECB_CONCAT_(a, b) a ## b |
|
|
744 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
745 | #define ECB_STRINGIFY_(a) # a |
|
|
746 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
747 | |
|
|
748 | #define ecb_function_ ecb_inline |
|
|
749 | |
|
|
750 | #if ECB_GCC_VERSION(3,1) |
|
|
751 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
752 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
753 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
754 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
755 | #else |
|
|
756 | #define ecb_attribute(attrlist) |
|
|
757 | #define ecb_is_constant(expr) 0 |
|
|
758 | #define ecb_expect(expr,value) (expr) |
|
|
759 | #define ecb_prefetch(addr,rw,locality) |
|
|
760 | #endif |
|
|
761 | |
|
|
762 | /* no emulation for ecb_decltype */ |
|
|
763 | #if ECB_GCC_VERSION(4,5) |
|
|
764 | #define ecb_decltype(x) __decltype(x) |
|
|
765 | #elif ECB_GCC_VERSION(3,0) |
|
|
766 | #define ecb_decltype(x) __typeof(x) |
|
|
767 | #endif |
|
|
768 | |
|
|
769 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
770 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
771 | #define ecb_const ecb_attribute ((__const__)) |
|
|
772 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
773 | |
|
|
774 | #if ECB_C11 |
|
|
775 | #define ecb_noreturn _Noreturn |
|
|
776 | #else |
|
|
777 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
778 | #endif |
|
|
779 | |
|
|
780 | #if ECB_GCC_VERSION(4,3) |
|
|
781 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
782 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
783 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
784 | #else |
|
|
785 | #define ecb_artificial |
|
|
786 | #define ecb_hot |
|
|
787 | #define ecb_cold |
|
|
788 | #endif |
|
|
789 | |
|
|
790 | /* put around conditional expressions if you are very sure that the */ |
|
|
791 | /* expression is mostly true or mostly false. note that these return */ |
|
|
792 | /* booleans, not the expression. */ |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
793 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
794 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
795 | /* for compatibility to the rest of the world */ |
|
|
796 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
797 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
798 | |
|
|
799 | /* count trailing zero bits and count # of one bits */ |
|
|
800 | #if ECB_GCC_VERSION(3,4) |
|
|
801 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
802 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
803 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
804 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
805 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
806 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
807 | /* no popcountll */ |
|
|
808 | #else |
|
|
809 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
810 | ecb_function_ int |
|
|
811 | ecb_ctz32 (uint32_t x) |
|
|
812 | { |
|
|
813 | int r = 0; |
|
|
814 | |
|
|
815 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
816 | |
|
|
817 | #if ECB_branchless_on_i386 |
|
|
818 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
819 | r += !!(x & 0xcccccccc) << 1; |
|
|
820 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
821 | r += !!(x & 0xff00ff00) << 3; |
|
|
822 | r += !!(x & 0xffff0000) << 4; |
|
|
823 | #else |
|
|
824 | if (x & 0xaaaaaaaa) r += 1; |
|
|
825 | if (x & 0xcccccccc) r += 2; |
|
|
826 | if (x & 0xf0f0f0f0) r += 4; |
|
|
827 | if (x & 0xff00ff00) r += 8; |
|
|
828 | if (x & 0xffff0000) r += 16; |
|
|
829 | #endif |
|
|
830 | |
|
|
831 | return r; |
|
|
832 | } |
|
|
833 | |
|
|
834 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
835 | ecb_function_ int |
|
|
836 | ecb_ctz64 (uint64_t x) |
|
|
837 | { |
|
|
838 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
839 | return ecb_ctz32 (x >> shift) + shift; |
|
|
840 | } |
|
|
841 | |
|
|
842 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
843 | ecb_function_ int |
|
|
844 | ecb_popcount32 (uint32_t x) |
|
|
845 | { |
|
|
846 | x -= (x >> 1) & 0x55555555; |
|
|
847 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
848 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
849 | x *= 0x01010101; |
|
|
850 | |
|
|
851 | return x >> 24; |
|
|
852 | } |
|
|
853 | |
|
|
854 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
855 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
856 | { |
|
|
857 | int r = 0; |
|
|
858 | |
|
|
859 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
860 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
861 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
862 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
863 | if (x >> 1) { r += 1; } |
|
|
864 | |
|
|
865 | return r; |
|
|
866 | } |
|
|
867 | |
|
|
868 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
869 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
870 | { |
|
|
871 | int r = 0; |
|
|
872 | |
|
|
873 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
874 | |
|
|
875 | return r + ecb_ld32 (x); |
|
|
876 | } |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
880 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
881 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
882 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
883 | |
|
|
884 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
885 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
886 | { |
|
|
887 | return ( (x * 0x0802U & 0x22110U) |
|
|
888 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
889 | } |
|
|
890 | |
|
|
891 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
892 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
893 | { |
|
|
894 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
895 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
896 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
897 | x = ( x >> 8 ) | ( x << 8); |
|
|
898 | |
|
|
899 | return x; |
|
|
900 | } |
|
|
901 | |
|
|
902 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
903 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
904 | { |
|
|
905 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
906 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
907 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
908 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
909 | x = ( x >> 16 ) | ( x << 16); |
|
|
910 | |
|
|
911 | return x; |
|
|
912 | } |
|
|
913 | |
|
|
914 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
915 | /* so for this version we are lazy */ |
|
|
916 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
917 | ecb_function_ int |
|
|
918 | ecb_popcount64 (uint64_t x) |
|
|
919 | { |
|
|
920 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
921 | } |
|
|
922 | |
|
|
923 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
924 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
925 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
926 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
927 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
928 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
929 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
930 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
931 | |
|
|
932 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
933 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
934 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
935 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
936 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
937 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
938 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
939 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
940 | |
|
|
941 | #if ECB_GCC_VERSION(4,3) |
|
|
942 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
943 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
944 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
945 | #else |
|
|
946 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
947 | ecb_function_ uint16_t |
|
|
948 | ecb_bswap16 (uint16_t x) |
|
|
949 | { |
|
|
950 | return ecb_rotl16 (x, 8); |
|
|
951 | } |
|
|
952 | |
|
|
953 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
954 | ecb_function_ uint32_t |
|
|
955 | ecb_bswap32 (uint32_t x) |
|
|
956 | { |
|
|
957 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
958 | } |
|
|
959 | |
|
|
960 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
961 | ecb_function_ uint64_t |
|
|
962 | ecb_bswap64 (uint64_t x) |
|
|
963 | { |
|
|
964 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
965 | } |
|
|
966 | #endif |
|
|
967 | |
|
|
968 | #if ECB_GCC_VERSION(4,5) |
|
|
969 | #define ecb_unreachable() __builtin_unreachable () |
|
|
970 | #else |
|
|
971 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
972 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
|
|
973 | ecb_inline void ecb_unreachable (void) { } |
|
|
974 | #endif |
|
|
975 | |
|
|
976 | /* try to tell the compiler that some condition is definitely true */ |
|
|
977 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
|
|
978 | |
|
|
979 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
980 | ecb_inline unsigned char |
|
|
981 | ecb_byteorder_helper (void) |
|
|
982 | { |
|
|
983 | /* the union code still generates code under pressure in gcc, */ |
|
|
984 | /* but less than using pointers, and always seems to */ |
|
|
985 | /* successfully return a constant. */ |
|
|
986 | /* the reason why we have this horrible preprocessor mess */ |
|
|
987 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
988 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
989 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
990 | return 0x44; |
|
|
991 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
|
|
992 | return 0x44; |
|
|
993 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
|
|
994 | return 0x11; |
|
|
995 | #else |
|
|
996 | union |
|
|
997 | { |
|
|
998 | uint32_t i; |
|
|
999 | uint8_t c; |
|
|
1000 | } u = { 0x11223344 }; |
|
|
1001 | return u.c; |
|
|
1002 | #endif |
|
|
1003 | } |
|
|
1004 | |
|
|
1005 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
|
|
1006 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
1007 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
|
|
1008 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
1009 | |
|
|
1010 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
1011 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
1012 | #else |
|
|
1013 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
1014 | #endif |
|
|
1015 | |
|
|
1016 | #if __cplusplus |
|
|
1017 | template<typename T> |
|
|
1018 | static inline T ecb_div_rd (T val, T div) |
|
|
1019 | { |
|
|
1020 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
1021 | } |
|
|
1022 | template<typename T> |
|
|
1023 | static inline T ecb_div_ru (T val, T div) |
|
|
1024 | { |
|
|
1025 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
1026 | } |
|
|
1027 | #else |
|
|
1028 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
1029 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
1030 | #endif |
|
|
1031 | |
|
|
1032 | #if ecb_cplusplus_does_not_suck |
|
|
1033 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
1034 | template<typename T, int N> |
|
|
1035 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
1036 | { |
|
|
1037 | return N; |
|
|
1038 | } |
|
|
1039 | #else |
|
|
1040 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
1041 | #endif |
|
|
1042 | |
|
|
1043 | /*******************************************************************************/ |
|
|
1044 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1045 | |
|
|
1046 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1047 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1048 | #if 0 \ |
|
|
1049 | || __i386 || __i386__ \ |
|
|
1050 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
|
|
1051 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1052 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1053 | || defined __s390__ || defined __s390x__ \ |
|
|
1054 | || defined __mips__ \ |
|
|
1055 | || defined __alpha__ \ |
|
|
1056 | || defined __hppa__ \ |
|
|
1057 | || defined __ia64__ \ |
|
|
1058 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
|
|
1059 | #define ECB_STDFP 1 |
|
|
1060 | #include <string.h> /* for memcpy */ |
|
|
1061 | #else |
|
|
1062 | #define ECB_STDFP 0 |
|
|
1063 | #include <math.h> /* for frexp*, ldexp* */ |
|
|
1064 | #endif |
|
|
1065 | |
|
|
1066 | #ifndef ECB_NO_LIBM |
|
|
1067 | |
|
|
1068 | /* convert a float to ieee single/binary32 */ |
|
|
1069 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
|
|
1070 | ecb_function_ uint32_t |
|
|
1071 | ecb_float_to_binary32 (float x) |
|
|
1072 | { |
|
|
1073 | uint32_t r; |
|
|
1074 | |
|
|
1075 | #if ECB_STDFP |
|
|
1076 | memcpy (&r, &x, 4); |
|
|
1077 | #else |
|
|
1078 | /* slow emulation, works for anything but -0 */ |
|
|
1079 | uint32_t m; |
|
|
1080 | int e; |
|
|
1081 | |
|
|
1082 | if (x == 0e0f ) return 0x00000000U; |
|
|
1083 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1084 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1085 | if (x != x ) return 0x7fbfffffU; |
|
|
1086 | |
|
|
1087 | m = frexpf (x, &e) * 0x1000000U; |
|
|
1088 | |
|
|
1089 | r = m & 0x80000000U; |
|
|
1090 | |
|
|
1091 | if (r) |
|
|
1092 | m = -m; |
|
|
1093 | |
|
|
1094 | if (e <= -126) |
|
|
1095 | { |
|
|
1096 | m &= 0xffffffU; |
|
|
1097 | m >>= (-125 - e); |
|
|
1098 | e = -126; |
|
|
1099 | } |
|
|
1100 | |
|
|
1101 | r |= (e + 126) << 23; |
|
|
1102 | r |= m & 0x7fffffU; |
|
|
1103 | #endif |
|
|
1104 | |
|
|
1105 | return r; |
|
|
1106 | } |
|
|
1107 | |
|
|
1108 | /* converts an ieee single/binary32 to a float */ |
|
|
1109 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
|
|
1110 | ecb_function_ float |
|
|
1111 | ecb_binary32_to_float (uint32_t x) |
|
|
1112 | { |
|
|
1113 | float r; |
|
|
1114 | |
|
|
1115 | #if ECB_STDFP |
|
|
1116 | memcpy (&r, &x, 4); |
|
|
1117 | #else |
|
|
1118 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1119 | int neg = x >> 31; |
|
|
1120 | int e = (x >> 23) & 0xffU; |
|
|
1121 | |
|
|
1122 | x &= 0x7fffffU; |
|
|
1123 | |
|
|
1124 | if (e) |
|
|
1125 | x |= 0x800000U; |
|
|
1126 | else |
|
|
1127 | e = 1; |
|
|
1128 | |
|
|
1129 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1130 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1131 | |
|
|
1132 | r = neg ? -r : r; |
|
|
1133 | #endif |
|
|
1134 | |
|
|
1135 | return r; |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | /* convert a double to ieee double/binary64 */ |
|
|
1139 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
|
|
1140 | ecb_function_ uint64_t |
|
|
1141 | ecb_double_to_binary64 (double x) |
|
|
1142 | { |
|
|
1143 | uint64_t r; |
|
|
1144 | |
|
|
1145 | #if ECB_STDFP |
|
|
1146 | memcpy (&r, &x, 8); |
|
|
1147 | #else |
|
|
1148 | /* slow emulation, works for anything but -0 */ |
|
|
1149 | uint64_t m; |
|
|
1150 | int e; |
|
|
1151 | |
|
|
1152 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1153 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1154 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1155 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1156 | |
|
|
1157 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1158 | |
|
|
1159 | r = m & 0x8000000000000000;; |
|
|
1160 | |
|
|
1161 | if (r) |
|
|
1162 | m = -m; |
|
|
1163 | |
|
|
1164 | if (e <= -1022) |
|
|
1165 | { |
|
|
1166 | m &= 0x1fffffffffffffU; |
|
|
1167 | m >>= (-1021 - e); |
|
|
1168 | e = -1022; |
|
|
1169 | } |
|
|
1170 | |
|
|
1171 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1172 | r |= m & 0xfffffffffffffU; |
|
|
1173 | #endif |
|
|
1174 | |
|
|
1175 | return r; |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | /* converts an ieee double/binary64 to a double */ |
|
|
1179 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
|
|
1180 | ecb_function_ double |
|
|
1181 | ecb_binary64_to_double (uint64_t x) |
|
|
1182 | { |
|
|
1183 | double r; |
|
|
1184 | |
|
|
1185 | #if ECB_STDFP |
|
|
1186 | memcpy (&r, &x, 8); |
|
|
1187 | #else |
|
|
1188 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1189 | int neg = x >> 63; |
|
|
1190 | int e = (x >> 52) & 0x7ffU; |
|
|
1191 | |
|
|
1192 | x &= 0xfffffffffffffU; |
|
|
1193 | |
|
|
1194 | if (e) |
|
|
1195 | x |= 0x10000000000000U; |
|
|
1196 | else |
|
|
1197 | e = 1; |
|
|
1198 | |
|
|
1199 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1200 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1201 | |
|
|
1202 | r = neg ? -r : r; |
|
|
1203 | #endif |
|
|
1204 | |
|
|
1205 | return r; |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | #endif |
|
|
1209 | |
|
|
1210 | #endif |
|
|
1211 | |
|
|
1212 | /* ECB.H END */ |
|
|
1213 | |
|
|
1214 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
1215 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
1216 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
1217 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
1218 | * libev, in which cases the memory fences become nops. |
|
|
1219 | * alternatively, you can remove this #error and link against libpthread, |
|
|
1220 | * which will then provide the memory fences. |
|
|
1221 | */ |
|
|
1222 | # error "memory fences not defined for your architecture, please report" |
|
|
1223 | #endif |
|
|
1224 | |
|
|
1225 | #ifndef ECB_MEMORY_FENCE |
|
|
1226 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
1227 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
1228 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
1229 | #endif |
|
|
1230 | |
|
|
1231 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1232 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1233 | #define noinline ecb_noinline |
|
|
1234 | |
475 | #define inline_size static inline |
1235 | #define inline_size ecb_inline |
476 | |
1236 | |
477 | #if EV_FEATURE_CODE |
1237 | #if EV_FEATURE_CODE |
478 | # define inline_speed static inline |
1238 | # define inline_speed ecb_inline |
479 | #else |
1239 | #else |
480 | # define inline_speed static noinline |
1240 | # define inline_speed static noinline |
481 | #endif |
1241 | #endif |
482 | |
1242 | |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1243 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
… | |
… | |
522 | # include "ev_win32.c" |
1282 | # include "ev_win32.c" |
523 | #endif |
1283 | #endif |
524 | |
1284 | |
525 | /*****************************************************************************/ |
1285 | /*****************************************************************************/ |
526 | |
1286 | |
|
|
1287 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
1288 | |
|
|
1289 | #if EV_USE_FLOOR |
|
|
1290 | # include <math.h> |
|
|
1291 | # define ev_floor(v) floor (v) |
|
|
1292 | #else |
|
|
1293 | |
|
|
1294 | #include <float.h> |
|
|
1295 | |
|
|
1296 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1297 | static ev_tstamp noinline |
|
|
1298 | ev_floor (ev_tstamp v) |
|
|
1299 | { |
|
|
1300 | /* the choice of shift factor is not terribly important */ |
|
|
1301 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
1302 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
1303 | #else |
|
|
1304 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
1305 | #endif |
|
|
1306 | |
|
|
1307 | /* argument too large for an unsigned long? */ |
|
|
1308 | if (expect_false (v >= shift)) |
|
|
1309 | { |
|
|
1310 | ev_tstamp f; |
|
|
1311 | |
|
|
1312 | if (v == v - 1.) |
|
|
1313 | return v; /* very large number */ |
|
|
1314 | |
|
|
1315 | f = shift * ev_floor (v * (1. / shift)); |
|
|
1316 | return f + ev_floor (v - f); |
|
|
1317 | } |
|
|
1318 | |
|
|
1319 | /* special treatment for negative args? */ |
|
|
1320 | if (expect_false (v < 0.)) |
|
|
1321 | { |
|
|
1322 | ev_tstamp f = -ev_floor (-v); |
|
|
1323 | |
|
|
1324 | return f - (f == v ? 0 : 1); |
|
|
1325 | } |
|
|
1326 | |
|
|
1327 | /* fits into an unsigned long */ |
|
|
1328 | return (unsigned long)v; |
|
|
1329 | } |
|
|
1330 | |
|
|
1331 | #endif |
|
|
1332 | |
|
|
1333 | /*****************************************************************************/ |
|
|
1334 | |
527 | #ifdef __linux |
1335 | #ifdef __linux |
528 | # include <sys/utsname.h> |
1336 | # include <sys/utsname.h> |
529 | #endif |
1337 | #endif |
530 | |
1338 | |
531 | static unsigned int noinline |
1339 | static unsigned int noinline ecb_cold |
532 | ev_linux_version (void) |
1340 | ev_linux_version (void) |
533 | { |
1341 | { |
534 | #ifdef __linux |
1342 | #ifdef __linux |
535 | unsigned int v = 0; |
1343 | unsigned int v = 0; |
536 | struct utsname buf; |
1344 | struct utsname buf; |
… | |
… | |
565 | } |
1373 | } |
566 | |
1374 | |
567 | /*****************************************************************************/ |
1375 | /*****************************************************************************/ |
568 | |
1376 | |
569 | #if EV_AVOID_STDIO |
1377 | #if EV_AVOID_STDIO |
570 | static void noinline |
1378 | static void noinline ecb_cold |
571 | ev_printerr (const char *msg) |
1379 | ev_printerr (const char *msg) |
572 | { |
1380 | { |
573 | write (STDERR_FILENO, msg, strlen (msg)); |
1381 | write (STDERR_FILENO, msg, strlen (msg)); |
574 | } |
1382 | } |
575 | #endif |
1383 | #endif |
576 | |
1384 | |
577 | static void (*syserr_cb)(const char *msg); |
1385 | static void (*syserr_cb)(const char *msg) EV_THROW; |
578 | |
1386 | |
579 | void |
1387 | void ecb_cold |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1388 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
581 | { |
1389 | { |
582 | syserr_cb = cb; |
1390 | syserr_cb = cb; |
583 | } |
1391 | } |
584 | |
1392 | |
585 | static void noinline |
1393 | static void noinline ecb_cold |
586 | ev_syserr (const char *msg) |
1394 | ev_syserr (const char *msg) |
587 | { |
1395 | { |
588 | if (!msg) |
1396 | if (!msg) |
589 | msg = "(libev) system error"; |
1397 | msg = "(libev) system error"; |
590 | |
1398 | |
… | |
… | |
603 | abort (); |
1411 | abort (); |
604 | } |
1412 | } |
605 | } |
1413 | } |
606 | |
1414 | |
607 | static void * |
1415 | static void * |
608 | ev_realloc_emul (void *ptr, long size) |
1416 | ev_realloc_emul (void *ptr, long size) EV_THROW |
609 | { |
1417 | { |
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
|
|
613 | /* some systems, notably openbsd and darwin, fail to properly |
1418 | /* some systems, notably openbsd and darwin, fail to properly |
614 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1419 | * implement realloc (x, 0) (as required by both ansi c-89 and |
615 | * the single unix specification, so work around them here. |
1420 | * the single unix specification, so work around them here. |
|
|
1421 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1422 | * despite documenting it otherwise. |
616 | */ |
1423 | */ |
617 | |
1424 | |
618 | if (size) |
1425 | if (size) |
619 | return realloc (ptr, size); |
1426 | return realloc (ptr, size); |
620 | |
1427 | |
621 | free (ptr); |
1428 | free (ptr); |
622 | return 0; |
1429 | return 0; |
623 | #endif |
|
|
624 | } |
1430 | } |
625 | |
1431 | |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1432 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
627 | |
1433 | |
628 | void |
1434 | void ecb_cold |
629 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1435 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
630 | { |
1436 | { |
631 | alloc = cb; |
1437 | alloc = cb; |
632 | } |
1438 | } |
633 | |
1439 | |
634 | inline_speed void * |
1440 | inline_speed void * |
… | |
… | |
722 | #undef VAR |
1528 | #undef VAR |
723 | }; |
1529 | }; |
724 | #include "ev_wrap.h" |
1530 | #include "ev_wrap.h" |
725 | |
1531 | |
726 | static struct ev_loop default_loop_struct; |
1532 | static struct ev_loop default_loop_struct; |
727 | struct ev_loop *ev_default_loop_ptr; |
1533 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
728 | |
1534 | |
729 | #else |
1535 | #else |
730 | |
1536 | |
731 | ev_tstamp ev_rt_now; |
1537 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
732 | #define VAR(name,decl) static decl; |
1538 | #define VAR(name,decl) static decl; |
733 | #include "ev_vars.h" |
1539 | #include "ev_vars.h" |
734 | #undef VAR |
1540 | #undef VAR |
735 | |
1541 | |
736 | static int ev_default_loop_ptr; |
1542 | static int ev_default_loop_ptr; |
… | |
… | |
751 | |
1557 | |
752 | /*****************************************************************************/ |
1558 | /*****************************************************************************/ |
753 | |
1559 | |
754 | #ifndef EV_HAVE_EV_TIME |
1560 | #ifndef EV_HAVE_EV_TIME |
755 | ev_tstamp |
1561 | ev_tstamp |
756 | ev_time (void) |
1562 | ev_time (void) EV_THROW |
757 | { |
1563 | { |
758 | #if EV_USE_REALTIME |
1564 | #if EV_USE_REALTIME |
759 | if (expect_true (have_realtime)) |
1565 | if (expect_true (have_realtime)) |
760 | { |
1566 | { |
761 | struct timespec ts; |
1567 | struct timespec ts; |
… | |
… | |
785 | return ev_time (); |
1591 | return ev_time (); |
786 | } |
1592 | } |
787 | |
1593 | |
788 | #if EV_MULTIPLICITY |
1594 | #if EV_MULTIPLICITY |
789 | ev_tstamp |
1595 | ev_tstamp |
790 | ev_now (EV_P) |
1596 | ev_now (EV_P) EV_THROW |
791 | { |
1597 | { |
792 | return ev_rt_now; |
1598 | return ev_rt_now; |
793 | } |
1599 | } |
794 | #endif |
1600 | #endif |
795 | |
1601 | |
796 | void |
1602 | void |
797 | ev_sleep (ev_tstamp delay) |
1603 | ev_sleep (ev_tstamp delay) EV_THROW |
798 | { |
1604 | { |
799 | if (delay > 0.) |
1605 | if (delay > 0.) |
800 | { |
1606 | { |
801 | #if EV_USE_NANOSLEEP |
1607 | #if EV_USE_NANOSLEEP |
802 | struct timespec ts; |
1608 | struct timespec ts; |
803 | |
1609 | |
804 | EV_TS_SET (ts, delay); |
1610 | EV_TS_SET (ts, delay); |
805 | nanosleep (&ts, 0); |
1611 | nanosleep (&ts, 0); |
806 | #elif defined(_WIN32) |
1612 | #elif defined _WIN32 |
807 | Sleep ((unsigned long)(delay * 1e3)); |
1613 | Sleep ((unsigned long)(delay * 1e3)); |
808 | #else |
1614 | #else |
809 | struct timeval tv; |
1615 | struct timeval tv; |
810 | |
1616 | |
811 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1617 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
830 | |
1636 | |
831 | do |
1637 | do |
832 | ncur <<= 1; |
1638 | ncur <<= 1; |
833 | while (cnt > ncur); |
1639 | while (cnt > ncur); |
834 | |
1640 | |
835 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1641 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
836 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1642 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
837 | { |
1643 | { |
838 | ncur *= elem; |
1644 | ncur *= elem; |
839 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1645 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
840 | ncur = ncur - sizeof (void *) * 4; |
1646 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
842 | } |
1648 | } |
843 | |
1649 | |
844 | return ncur; |
1650 | return ncur; |
845 | } |
1651 | } |
846 | |
1652 | |
847 | static noinline void * |
1653 | static void * noinline ecb_cold |
848 | array_realloc (int elem, void *base, int *cur, int cnt) |
1654 | array_realloc (int elem, void *base, int *cur, int cnt) |
849 | { |
1655 | { |
850 | *cur = array_nextsize (elem, *cur, cnt); |
1656 | *cur = array_nextsize (elem, *cur, cnt); |
851 | return ev_realloc (base, elem * *cur); |
1657 | return ev_realloc (base, elem * *cur); |
852 | } |
1658 | } |
… | |
… | |
855 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1661 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
856 | |
1662 | |
857 | #define array_needsize(type,base,cur,cnt,init) \ |
1663 | #define array_needsize(type,base,cur,cnt,init) \ |
858 | if (expect_false ((cnt) > (cur))) \ |
1664 | if (expect_false ((cnt) > (cur))) \ |
859 | { \ |
1665 | { \ |
860 | int ocur_ = (cur); \ |
1666 | int ecb_unused ocur_ = (cur); \ |
861 | (base) = (type *)array_realloc \ |
1667 | (base) = (type *)array_realloc \ |
862 | (sizeof (type), (base), &(cur), (cnt)); \ |
1668 | (sizeof (type), (base), &(cur), (cnt)); \ |
863 | init ((base) + (ocur_), (cur) - ocur_); \ |
1669 | init ((base) + (ocur_), (cur) - ocur_); \ |
864 | } |
1670 | } |
865 | |
1671 | |
… | |
… | |
883 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1689 | pendingcb (EV_P_ ev_prepare *w, int revents) |
884 | { |
1690 | { |
885 | } |
1691 | } |
886 | |
1692 | |
887 | void noinline |
1693 | void noinline |
888 | ev_feed_event (EV_P_ void *w, int revents) |
1694 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
889 | { |
1695 | { |
890 | W w_ = (W)w; |
1696 | W w_ = (W)w; |
891 | int pri = ABSPRI (w_); |
1697 | int pri = ABSPRI (w_); |
892 | |
1698 | |
893 | if (expect_false (w_->pending)) |
1699 | if (expect_false (w_->pending)) |
… | |
… | |
897 | w_->pending = ++pendingcnt [pri]; |
1703 | w_->pending = ++pendingcnt [pri]; |
898 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1704 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
899 | pendings [pri][w_->pending - 1].w = w_; |
1705 | pendings [pri][w_->pending - 1].w = w_; |
900 | pendings [pri][w_->pending - 1].events = revents; |
1706 | pendings [pri][w_->pending - 1].events = revents; |
901 | } |
1707 | } |
|
|
1708 | |
|
|
1709 | pendingpri = NUMPRI - 1; |
902 | } |
1710 | } |
903 | |
1711 | |
904 | inline_speed void |
1712 | inline_speed void |
905 | feed_reverse (EV_P_ W w) |
1713 | feed_reverse (EV_P_ W w) |
906 | { |
1714 | { |
… | |
… | |
952 | if (expect_true (!anfd->reify)) |
1760 | if (expect_true (!anfd->reify)) |
953 | fd_event_nocheck (EV_A_ fd, revents); |
1761 | fd_event_nocheck (EV_A_ fd, revents); |
954 | } |
1762 | } |
955 | |
1763 | |
956 | void |
1764 | void |
957 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1765 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
958 | { |
1766 | { |
959 | if (fd >= 0 && fd < anfdmax) |
1767 | if (fd >= 0 && fd < anfdmax) |
960 | fd_event_nocheck (EV_A_ fd, revents); |
1768 | fd_event_nocheck (EV_A_ fd, revents); |
961 | } |
1769 | } |
962 | |
1770 | |
… | |
… | |
965 | inline_size void |
1773 | inline_size void |
966 | fd_reify (EV_P) |
1774 | fd_reify (EV_P) |
967 | { |
1775 | { |
968 | int i; |
1776 | int i; |
969 | |
1777 | |
|
|
1778 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1779 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1780 | { |
|
|
1781 | int fd = fdchanges [i]; |
|
|
1782 | ANFD *anfd = anfds + fd; |
|
|
1783 | |
|
|
1784 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1785 | { |
|
|
1786 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1787 | |
|
|
1788 | if (handle != anfd->handle) |
|
|
1789 | { |
|
|
1790 | unsigned long arg; |
|
|
1791 | |
|
|
1792 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1793 | |
|
|
1794 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1795 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1796 | anfd->events = 0; |
|
|
1797 | anfd->handle = handle; |
|
|
1798 | } |
|
|
1799 | } |
|
|
1800 | } |
|
|
1801 | #endif |
|
|
1802 | |
970 | for (i = 0; i < fdchangecnt; ++i) |
1803 | for (i = 0; i < fdchangecnt; ++i) |
971 | { |
1804 | { |
972 | int fd = fdchanges [i]; |
1805 | int fd = fdchanges [i]; |
973 | ANFD *anfd = anfds + fd; |
1806 | ANFD *anfd = anfds + fd; |
974 | ev_io *w; |
1807 | ev_io *w; |
… | |
… | |
976 | unsigned char o_events = anfd->events; |
1809 | unsigned char o_events = anfd->events; |
977 | unsigned char o_reify = anfd->reify; |
1810 | unsigned char o_reify = anfd->reify; |
978 | |
1811 | |
979 | anfd->reify = 0; |
1812 | anfd->reify = 0; |
980 | |
1813 | |
981 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
982 | if (o_reify & EV__IOFDSET) |
|
|
983 | { |
|
|
984 | unsigned long arg; |
|
|
985 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
986 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
987 | printf ("oi %d %x\n", fd, anfd->handle);//D |
|
|
988 | } |
|
|
989 | #endif |
|
|
990 | |
|
|
991 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1814 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
992 | { |
1815 | { |
993 | anfd->events = 0; |
1816 | anfd->events = 0; |
994 | |
1817 | |
995 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1818 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
1020 | fdchanges [fdchangecnt - 1] = fd; |
1843 | fdchanges [fdchangecnt - 1] = fd; |
1021 | } |
1844 | } |
1022 | } |
1845 | } |
1023 | |
1846 | |
1024 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1847 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1025 | inline_speed void |
1848 | inline_speed void ecb_cold |
1026 | fd_kill (EV_P_ int fd) |
1849 | fd_kill (EV_P_ int fd) |
1027 | { |
1850 | { |
1028 | ev_io *w; |
1851 | ev_io *w; |
1029 | |
1852 | |
1030 | while ((w = (ev_io *)anfds [fd].head)) |
1853 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1033 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1856 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1034 | } |
1857 | } |
1035 | } |
1858 | } |
1036 | |
1859 | |
1037 | /* check whether the given fd is actually valid, for error recovery */ |
1860 | /* check whether the given fd is actually valid, for error recovery */ |
1038 | inline_size int |
1861 | inline_size int ecb_cold |
1039 | fd_valid (int fd) |
1862 | fd_valid (int fd) |
1040 | { |
1863 | { |
1041 | #ifdef _WIN32 |
1864 | #ifdef _WIN32 |
1042 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1865 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1043 | #else |
1866 | #else |
1044 | return fcntl (fd, F_GETFD) != -1; |
1867 | return fcntl (fd, F_GETFD) != -1; |
1045 | #endif |
1868 | #endif |
1046 | } |
1869 | } |
1047 | |
1870 | |
1048 | /* called on EBADF to verify fds */ |
1871 | /* called on EBADF to verify fds */ |
1049 | static void noinline |
1872 | static void noinline ecb_cold |
1050 | fd_ebadf (EV_P) |
1873 | fd_ebadf (EV_P) |
1051 | { |
1874 | { |
1052 | int fd; |
1875 | int fd; |
1053 | |
1876 | |
1054 | for (fd = 0; fd < anfdmax; ++fd) |
1877 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1056 | if (!fd_valid (fd) && errno == EBADF) |
1879 | if (!fd_valid (fd) && errno == EBADF) |
1057 | fd_kill (EV_A_ fd); |
1880 | fd_kill (EV_A_ fd); |
1058 | } |
1881 | } |
1059 | |
1882 | |
1060 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1883 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1061 | static void noinline |
1884 | static void noinline ecb_cold |
1062 | fd_enomem (EV_P) |
1885 | fd_enomem (EV_P) |
1063 | { |
1886 | { |
1064 | int fd; |
1887 | int fd; |
1065 | |
1888 | |
1066 | for (fd = anfdmax; fd--; ) |
1889 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1261 | |
2084 | |
1262 | /*****************************************************************************/ |
2085 | /*****************************************************************************/ |
1263 | |
2086 | |
1264 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2087 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1265 | |
2088 | |
1266 | static void noinline |
2089 | static void noinline ecb_cold |
1267 | evpipe_init (EV_P) |
2090 | evpipe_init (EV_P) |
1268 | { |
2091 | { |
1269 | if (!ev_is_active (&pipe_w)) |
2092 | if (!ev_is_active (&pipe_w)) |
1270 | { |
2093 | { |
|
|
2094 | int fds [2]; |
|
|
2095 | |
1271 | # if EV_USE_EVENTFD |
2096 | # if EV_USE_EVENTFD |
|
|
2097 | fds [0] = -1; |
1272 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2098 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1273 | if (evfd < 0 && errno == EINVAL) |
2099 | if (fds [1] < 0 && errno == EINVAL) |
1274 | evfd = eventfd (0, 0); |
2100 | fds [1] = eventfd (0, 0); |
1275 | |
2101 | |
1276 | if (evfd >= 0) |
2102 | if (fds [1] < 0) |
|
|
2103 | # endif |
1277 | { |
2104 | { |
|
|
2105 | while (pipe (fds)) |
|
|
2106 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2107 | |
|
|
2108 | fd_intern (fds [0]); |
|
|
2109 | } |
|
|
2110 | |
1278 | evpipe [0] = -1; |
2111 | evpipe [0] = fds [0]; |
1279 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2112 | |
1280 | ev_io_set (&pipe_w, evfd, EV_READ); |
2113 | if (evpipe [1] < 0) |
|
|
2114 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2115 | else |
|
|
2116 | { |
|
|
2117 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2118 | /* so that evpipe_write can always rely on its value. */ |
|
|
2119 | /* this branch does not do anything sensible on windows, */ |
|
|
2120 | /* so must not be executed on windows */ |
|
|
2121 | |
|
|
2122 | dup2 (fds [1], evpipe [1]); |
|
|
2123 | close (fds [1]); |
|
|
2124 | } |
|
|
2125 | |
|
|
2126 | fd_intern (evpipe [1]); |
|
|
2127 | |
|
|
2128 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2129 | ev_io_start (EV_A_ &pipe_w); |
|
|
2130 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2131 | } |
|
|
2132 | } |
|
|
2133 | |
|
|
2134 | inline_speed void |
|
|
2135 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
2136 | { |
|
|
2137 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
2138 | |
|
|
2139 | if (expect_true (*flag)) |
|
|
2140 | return; |
|
|
2141 | |
|
|
2142 | *flag = 1; |
|
|
2143 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2144 | |
|
|
2145 | pipe_write_skipped = 1; |
|
|
2146 | |
|
|
2147 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2148 | |
|
|
2149 | if (pipe_write_wanted) |
|
|
2150 | { |
|
|
2151 | int old_errno; |
|
|
2152 | |
|
|
2153 | pipe_write_skipped = 0; |
|
|
2154 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2155 | |
|
|
2156 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2157 | |
|
|
2158 | #if EV_USE_EVENTFD |
|
|
2159 | if (evpipe [0] < 0) |
|
|
2160 | { |
|
|
2161 | uint64_t counter = 1; |
|
|
2162 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1281 | } |
2163 | } |
1282 | else |
2164 | else |
1283 | # endif |
2165 | #endif |
1284 | { |
2166 | { |
1285 | while (pipe (evpipe)) |
2167 | #ifdef _WIN32 |
1286 | ev_syserr ("(libev) error creating signal/async pipe"); |
2168 | WSABUF buf; |
1287 | |
2169 | DWORD sent; |
1288 | fd_intern (evpipe [0]); |
2170 | buf.buf = &buf; |
1289 | fd_intern (evpipe [1]); |
2171 | buf.len = 1; |
1290 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2172 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
2173 | #else |
|
|
2174 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2175 | #endif |
1291 | } |
2176 | } |
1292 | |
|
|
1293 | ev_io_start (EV_A_ &pipe_w); |
|
|
1294 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1295 | } |
|
|
1296 | } |
|
|
1297 | |
|
|
1298 | inline_size void |
|
|
1299 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1300 | { |
|
|
1301 | if (!*flag) |
|
|
1302 | { |
|
|
1303 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1304 | char dummy; |
|
|
1305 | |
|
|
1306 | *flag = 1; |
|
|
1307 | |
|
|
1308 | #if EV_USE_EVENTFD |
|
|
1309 | if (evfd >= 0) |
|
|
1310 | { |
|
|
1311 | uint64_t counter = 1; |
|
|
1312 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1313 | } |
|
|
1314 | else |
|
|
1315 | #endif |
|
|
1316 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1317 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1318 | /* so when you think this write should be a send instead, please find out */ |
|
|
1319 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1320 | /* tell me. thank you. */ |
|
|
1321 | write (evpipe [1], &dummy, 1); |
|
|
1322 | |
2177 | |
1323 | errno = old_errno; |
2178 | errno = old_errno; |
1324 | } |
2179 | } |
1325 | } |
2180 | } |
1326 | |
2181 | |
… | |
… | |
1329 | static void |
2184 | static void |
1330 | pipecb (EV_P_ ev_io *iow, int revents) |
2185 | pipecb (EV_P_ ev_io *iow, int revents) |
1331 | { |
2186 | { |
1332 | int i; |
2187 | int i; |
1333 | |
2188 | |
|
|
2189 | if (revents & EV_READ) |
|
|
2190 | { |
1334 | #if EV_USE_EVENTFD |
2191 | #if EV_USE_EVENTFD |
1335 | if (evfd >= 0) |
2192 | if (evpipe [0] < 0) |
1336 | { |
2193 | { |
1337 | uint64_t counter; |
2194 | uint64_t counter; |
1338 | read (evfd, &counter, sizeof (uint64_t)); |
2195 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1339 | } |
2196 | } |
1340 | else |
2197 | else |
1341 | #endif |
2198 | #endif |
1342 | { |
2199 | { |
1343 | char dummy; |
2200 | char dummy[4]; |
1344 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
2201 | #ifdef _WIN32 |
|
|
2202 | WSABUF buf; |
|
|
2203 | DWORD recvd; |
|
|
2204 | DWORD flags = 0; |
|
|
2205 | buf.buf = dummy; |
|
|
2206 | buf.len = sizeof (dummy); |
|
|
2207 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2208 | #else |
1345 | read (evpipe [0], &dummy, 1); |
2209 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2210 | #endif |
|
|
2211 | } |
1346 | } |
2212 | } |
1347 | |
2213 | |
|
|
2214 | pipe_write_skipped = 0; |
|
|
2215 | |
|
|
2216 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
|
|
2217 | |
|
|
2218 | #if EV_SIGNAL_ENABLE |
1348 | if (sig_pending) |
2219 | if (sig_pending) |
1349 | { |
2220 | { |
1350 | sig_pending = 0; |
2221 | sig_pending = 0; |
|
|
2222 | |
|
|
2223 | ECB_MEMORY_FENCE; |
1351 | |
2224 | |
1352 | for (i = EV_NSIG - 1; i--; ) |
2225 | for (i = EV_NSIG - 1; i--; ) |
1353 | if (expect_false (signals [i].pending)) |
2226 | if (expect_false (signals [i].pending)) |
1354 | ev_feed_signal_event (EV_A_ i + 1); |
2227 | ev_feed_signal_event (EV_A_ i + 1); |
1355 | } |
2228 | } |
|
|
2229 | #endif |
1356 | |
2230 | |
1357 | #if EV_ASYNC_ENABLE |
2231 | #if EV_ASYNC_ENABLE |
1358 | if (async_pending) |
2232 | if (async_pending) |
1359 | { |
2233 | { |
1360 | async_pending = 0; |
2234 | async_pending = 0; |
|
|
2235 | |
|
|
2236 | ECB_MEMORY_FENCE; |
1361 | |
2237 | |
1362 | for (i = asynccnt; i--; ) |
2238 | for (i = asynccnt; i--; ) |
1363 | if (asyncs [i]->sent) |
2239 | if (asyncs [i]->sent) |
1364 | { |
2240 | { |
1365 | asyncs [i]->sent = 0; |
2241 | asyncs [i]->sent = 0; |
|
|
2242 | ECB_MEMORY_FENCE_RELEASE; |
1366 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2243 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1367 | } |
2244 | } |
1368 | } |
2245 | } |
1369 | #endif |
2246 | #endif |
1370 | } |
2247 | } |
1371 | |
2248 | |
1372 | /*****************************************************************************/ |
2249 | /*****************************************************************************/ |
1373 | |
2250 | |
1374 | void |
2251 | void |
1375 | ev_feed_signal (int signum) |
2252 | ev_feed_signal (int signum) EV_THROW |
1376 | { |
2253 | { |
1377 | #if EV_MULTIPLICITY |
2254 | #if EV_MULTIPLICITY |
|
|
2255 | EV_P; |
|
|
2256 | ECB_MEMORY_FENCE_ACQUIRE; |
1378 | EV_P = signals [signum - 1].loop; |
2257 | EV_A = signals [signum - 1].loop; |
1379 | |
2258 | |
1380 | if (!EV_A) |
2259 | if (!EV_A) |
1381 | return; |
2260 | return; |
1382 | #endif |
2261 | #endif |
1383 | |
2262 | |
… | |
… | |
1394 | |
2273 | |
1395 | ev_feed_signal (signum); |
2274 | ev_feed_signal (signum); |
1396 | } |
2275 | } |
1397 | |
2276 | |
1398 | void noinline |
2277 | void noinline |
1399 | ev_feed_signal_event (EV_P_ int signum) |
2278 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1400 | { |
2279 | { |
1401 | WL w; |
2280 | WL w; |
1402 | |
2281 | |
1403 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2282 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1404 | return; |
2283 | return; |
1405 | |
2284 | |
1406 | --signum; |
2285 | --signum; |
1407 | |
2286 | |
1408 | #if EV_MULTIPLICITY |
2287 | #if EV_MULTIPLICITY |
… | |
… | |
1412 | if (expect_false (signals [signum].loop != EV_A)) |
2291 | if (expect_false (signals [signum].loop != EV_A)) |
1413 | return; |
2292 | return; |
1414 | #endif |
2293 | #endif |
1415 | |
2294 | |
1416 | signals [signum].pending = 0; |
2295 | signals [signum].pending = 0; |
|
|
2296 | ECB_MEMORY_FENCE_RELEASE; |
1417 | |
2297 | |
1418 | for (w = signals [signum].head; w; w = w->next) |
2298 | for (w = signals [signum].head; w; w = w->next) |
1419 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2299 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1420 | } |
2300 | } |
1421 | |
2301 | |
… | |
… | |
1519 | #endif |
2399 | #endif |
1520 | #if EV_USE_SELECT |
2400 | #if EV_USE_SELECT |
1521 | # include "ev_select.c" |
2401 | # include "ev_select.c" |
1522 | #endif |
2402 | #endif |
1523 | |
2403 | |
1524 | int |
2404 | int ecb_cold |
1525 | ev_version_major (void) |
2405 | ev_version_major (void) EV_THROW |
1526 | { |
2406 | { |
1527 | return EV_VERSION_MAJOR; |
2407 | return EV_VERSION_MAJOR; |
1528 | } |
2408 | } |
1529 | |
2409 | |
1530 | int |
2410 | int ecb_cold |
1531 | ev_version_minor (void) |
2411 | ev_version_minor (void) EV_THROW |
1532 | { |
2412 | { |
1533 | return EV_VERSION_MINOR; |
2413 | return EV_VERSION_MINOR; |
1534 | } |
2414 | } |
1535 | |
2415 | |
1536 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2416 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1537 | int inline_size |
2417 | int inline_size ecb_cold |
1538 | enable_secure (void) |
2418 | enable_secure (void) |
1539 | { |
2419 | { |
1540 | #ifdef _WIN32 |
2420 | #ifdef _WIN32 |
1541 | return 0; |
2421 | return 0; |
1542 | #else |
2422 | #else |
1543 | return getuid () != geteuid () |
2423 | return getuid () != geteuid () |
1544 | || getgid () != getegid (); |
2424 | || getgid () != getegid (); |
1545 | #endif |
2425 | #endif |
1546 | } |
2426 | } |
1547 | |
2427 | |
1548 | unsigned int |
2428 | unsigned int ecb_cold |
1549 | ev_supported_backends (void) |
2429 | ev_supported_backends (void) EV_THROW |
1550 | { |
2430 | { |
1551 | unsigned int flags = 0; |
2431 | unsigned int flags = 0; |
1552 | |
2432 | |
1553 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2433 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1554 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2434 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1557 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2437 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1558 | |
2438 | |
1559 | return flags; |
2439 | return flags; |
1560 | } |
2440 | } |
1561 | |
2441 | |
1562 | unsigned int |
2442 | unsigned int ecb_cold |
1563 | ev_recommended_backends (void) |
2443 | ev_recommended_backends (void) EV_THROW |
1564 | { |
2444 | { |
1565 | unsigned int flags = ev_supported_backends (); |
2445 | unsigned int flags = ev_supported_backends (); |
1566 | |
2446 | |
1567 | #ifndef __NetBSD__ |
2447 | #ifndef __NetBSD__ |
1568 | /* kqueue is borked on everything but netbsd apparently */ |
2448 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1579 | #endif |
2459 | #endif |
1580 | |
2460 | |
1581 | return flags; |
2461 | return flags; |
1582 | } |
2462 | } |
1583 | |
2463 | |
1584 | unsigned int |
2464 | unsigned int ecb_cold |
1585 | ev_embeddable_backends (void) |
2465 | ev_embeddable_backends (void) EV_THROW |
1586 | { |
2466 | { |
1587 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2467 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1588 | |
2468 | |
1589 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2469 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1590 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2470 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
1592 | |
2472 | |
1593 | return flags; |
2473 | return flags; |
1594 | } |
2474 | } |
1595 | |
2475 | |
1596 | unsigned int |
2476 | unsigned int |
1597 | ev_backend (EV_P) |
2477 | ev_backend (EV_P) EV_THROW |
1598 | { |
2478 | { |
1599 | return backend; |
2479 | return backend; |
1600 | } |
2480 | } |
1601 | |
2481 | |
1602 | #if EV_FEATURE_API |
2482 | #if EV_FEATURE_API |
1603 | unsigned int |
2483 | unsigned int |
1604 | ev_iteration (EV_P) |
2484 | ev_iteration (EV_P) EV_THROW |
1605 | { |
2485 | { |
1606 | return loop_count; |
2486 | return loop_count; |
1607 | } |
2487 | } |
1608 | |
2488 | |
1609 | unsigned int |
2489 | unsigned int |
1610 | ev_depth (EV_P) |
2490 | ev_depth (EV_P) EV_THROW |
1611 | { |
2491 | { |
1612 | return loop_depth; |
2492 | return loop_depth; |
1613 | } |
2493 | } |
1614 | |
2494 | |
1615 | void |
2495 | void |
1616 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2496 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1617 | { |
2497 | { |
1618 | io_blocktime = interval; |
2498 | io_blocktime = interval; |
1619 | } |
2499 | } |
1620 | |
2500 | |
1621 | void |
2501 | void |
1622 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2502 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1623 | { |
2503 | { |
1624 | timeout_blocktime = interval; |
2504 | timeout_blocktime = interval; |
1625 | } |
2505 | } |
1626 | |
2506 | |
1627 | void |
2507 | void |
1628 | ev_set_userdata (EV_P_ void *data) |
2508 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1629 | { |
2509 | { |
1630 | userdata = data; |
2510 | userdata = data; |
1631 | } |
2511 | } |
1632 | |
2512 | |
1633 | void * |
2513 | void * |
1634 | ev_userdata (EV_P) |
2514 | ev_userdata (EV_P) EV_THROW |
1635 | { |
2515 | { |
1636 | return userdata; |
2516 | return userdata; |
1637 | } |
2517 | } |
1638 | |
2518 | |
|
|
2519 | void |
1639 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2520 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
1640 | { |
2521 | { |
1641 | invoke_cb = invoke_pending_cb; |
2522 | invoke_cb = invoke_pending_cb; |
1642 | } |
2523 | } |
1643 | |
2524 | |
|
|
2525 | void |
1644 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2526 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
1645 | { |
2527 | { |
1646 | release_cb = release; |
2528 | release_cb = release; |
1647 | acquire_cb = acquire; |
2529 | acquire_cb = acquire; |
1648 | } |
2530 | } |
1649 | #endif |
2531 | #endif |
1650 | |
2532 | |
1651 | /* initialise a loop structure, must be zero-initialised */ |
2533 | /* initialise a loop structure, must be zero-initialised */ |
1652 | static void noinline |
2534 | static void noinline ecb_cold |
1653 | loop_init (EV_P_ unsigned int flags) |
2535 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1654 | { |
2536 | { |
1655 | if (!backend) |
2537 | if (!backend) |
1656 | { |
2538 | { |
1657 | origflags = flags; |
2539 | origflags = flags; |
1658 | |
2540 | |
… | |
… | |
1685 | if (!(flags & EVFLAG_NOENV) |
2567 | if (!(flags & EVFLAG_NOENV) |
1686 | && !enable_secure () |
2568 | && !enable_secure () |
1687 | && getenv ("LIBEV_FLAGS")) |
2569 | && getenv ("LIBEV_FLAGS")) |
1688 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2570 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1689 | |
2571 | |
1690 | ev_rt_now = ev_time (); |
2572 | ev_rt_now = ev_time (); |
1691 | mn_now = get_clock (); |
2573 | mn_now = get_clock (); |
1692 | now_floor = mn_now; |
2574 | now_floor = mn_now; |
1693 | rtmn_diff = ev_rt_now - mn_now; |
2575 | rtmn_diff = ev_rt_now - mn_now; |
1694 | #if EV_FEATURE_API |
2576 | #if EV_FEATURE_API |
1695 | invoke_cb = ev_invoke_pending; |
2577 | invoke_cb = ev_invoke_pending; |
1696 | #endif |
2578 | #endif |
1697 | |
2579 | |
1698 | io_blocktime = 0.; |
2580 | io_blocktime = 0.; |
1699 | timeout_blocktime = 0.; |
2581 | timeout_blocktime = 0.; |
1700 | backend = 0; |
2582 | backend = 0; |
1701 | backend_fd = -1; |
2583 | backend_fd = -1; |
1702 | sig_pending = 0; |
2584 | sig_pending = 0; |
1703 | #if EV_ASYNC_ENABLE |
2585 | #if EV_ASYNC_ENABLE |
1704 | async_pending = 0; |
2586 | async_pending = 0; |
1705 | #endif |
2587 | #endif |
|
|
2588 | pipe_write_skipped = 0; |
|
|
2589 | pipe_write_wanted = 0; |
|
|
2590 | evpipe [0] = -1; |
|
|
2591 | evpipe [1] = -1; |
1706 | #if EV_USE_INOTIFY |
2592 | #if EV_USE_INOTIFY |
1707 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2593 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1708 | #endif |
2594 | #endif |
1709 | #if EV_USE_SIGNALFD |
2595 | #if EV_USE_SIGNALFD |
1710 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2596 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1711 | #endif |
2597 | #endif |
1712 | |
2598 | |
1713 | if (!(flags & EVBACKEND_MASK)) |
2599 | if (!(flags & EVBACKEND_MASK)) |
1714 | flags |= ev_recommended_backends (); |
2600 | flags |= ev_recommended_backends (); |
1715 | |
2601 | |
… | |
… | |
1740 | #endif |
2626 | #endif |
1741 | } |
2627 | } |
1742 | } |
2628 | } |
1743 | |
2629 | |
1744 | /* free up a loop structure */ |
2630 | /* free up a loop structure */ |
1745 | void |
2631 | void ecb_cold |
1746 | ev_loop_destroy (EV_P) |
2632 | ev_loop_destroy (EV_P) |
1747 | { |
2633 | { |
1748 | int i; |
2634 | int i; |
1749 | |
2635 | |
1750 | #if EV_MULTIPLICITY |
2636 | #if EV_MULTIPLICITY |
… | |
… | |
1761 | EV_INVOKE_PENDING; |
2647 | EV_INVOKE_PENDING; |
1762 | } |
2648 | } |
1763 | #endif |
2649 | #endif |
1764 | |
2650 | |
1765 | #if EV_CHILD_ENABLE |
2651 | #if EV_CHILD_ENABLE |
1766 | if (ev_is_active (&childev)) |
2652 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
1767 | { |
2653 | { |
1768 | ev_ref (EV_A); /* child watcher */ |
2654 | ev_ref (EV_A); /* child watcher */ |
1769 | ev_signal_stop (EV_A_ &childev); |
2655 | ev_signal_stop (EV_A_ &childev); |
1770 | } |
2656 | } |
1771 | #endif |
2657 | #endif |
… | |
… | |
1773 | if (ev_is_active (&pipe_w)) |
2659 | if (ev_is_active (&pipe_w)) |
1774 | { |
2660 | { |
1775 | /*ev_ref (EV_A);*/ |
2661 | /*ev_ref (EV_A);*/ |
1776 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2662 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1777 | |
2663 | |
1778 | #if EV_USE_EVENTFD |
|
|
1779 | if (evfd >= 0) |
|
|
1780 | close (evfd); |
|
|
1781 | #endif |
|
|
1782 | |
|
|
1783 | if (evpipe [0] >= 0) |
|
|
1784 | { |
|
|
1785 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2664 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
1786 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2665 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
1787 | } |
|
|
1788 | } |
2666 | } |
1789 | |
2667 | |
1790 | #if EV_USE_SIGNALFD |
2668 | #if EV_USE_SIGNALFD |
1791 | if (ev_is_active (&sigfd_w)) |
2669 | if (ev_is_active (&sigfd_w)) |
1792 | close (sigfd); |
2670 | close (sigfd); |
… | |
… | |
1878 | #endif |
2756 | #endif |
1879 | #if EV_USE_INOTIFY |
2757 | #if EV_USE_INOTIFY |
1880 | infy_fork (EV_A); |
2758 | infy_fork (EV_A); |
1881 | #endif |
2759 | #endif |
1882 | |
2760 | |
|
|
2761 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1883 | if (ev_is_active (&pipe_w)) |
2762 | if (ev_is_active (&pipe_w)) |
1884 | { |
2763 | { |
1885 | /* this "locks" the handlers against writing to the pipe */ |
2764 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1886 | /* while we modify the fd vars */ |
|
|
1887 | sig_pending = 1; |
|
|
1888 | #if EV_ASYNC_ENABLE |
|
|
1889 | async_pending = 1; |
|
|
1890 | #endif |
|
|
1891 | |
2765 | |
1892 | ev_ref (EV_A); |
2766 | ev_ref (EV_A); |
1893 | ev_io_stop (EV_A_ &pipe_w); |
2767 | ev_io_stop (EV_A_ &pipe_w); |
1894 | |
2768 | |
1895 | #if EV_USE_EVENTFD |
|
|
1896 | if (evfd >= 0) |
|
|
1897 | close (evfd); |
|
|
1898 | #endif |
|
|
1899 | |
|
|
1900 | if (evpipe [0] >= 0) |
2769 | if (evpipe [0] >= 0) |
1901 | { |
|
|
1902 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2770 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1903 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
1904 | } |
|
|
1905 | |
2771 | |
1906 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
1907 | evpipe_init (EV_A); |
2772 | evpipe_init (EV_A); |
1908 | /* now iterate over everything, in case we missed something */ |
2773 | /* iterate over everything, in case we missed something before */ |
1909 | pipecb (EV_A_ &pipe_w, EV_READ); |
2774 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
1910 | #endif |
|
|
1911 | } |
2775 | } |
|
|
2776 | #endif |
1912 | |
2777 | |
1913 | postfork = 0; |
2778 | postfork = 0; |
1914 | } |
2779 | } |
1915 | |
2780 | |
1916 | #if EV_MULTIPLICITY |
2781 | #if EV_MULTIPLICITY |
1917 | |
2782 | |
1918 | struct ev_loop * |
2783 | struct ev_loop * ecb_cold |
1919 | ev_loop_new (unsigned int flags) |
2784 | ev_loop_new (unsigned int flags) EV_THROW |
1920 | { |
2785 | { |
1921 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2786 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1922 | |
2787 | |
1923 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2788 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1924 | loop_init (EV_A_ flags); |
2789 | loop_init (EV_A_ flags); |
… | |
… | |
1931 | } |
2796 | } |
1932 | |
2797 | |
1933 | #endif /* multiplicity */ |
2798 | #endif /* multiplicity */ |
1934 | |
2799 | |
1935 | #if EV_VERIFY |
2800 | #if EV_VERIFY |
1936 | static void noinline |
2801 | static void noinline ecb_cold |
1937 | verify_watcher (EV_P_ W w) |
2802 | verify_watcher (EV_P_ W w) |
1938 | { |
2803 | { |
1939 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2804 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1940 | |
2805 | |
1941 | if (w->pending) |
2806 | if (w->pending) |
1942 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2807 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1943 | } |
2808 | } |
1944 | |
2809 | |
1945 | static void noinline |
2810 | static void noinline ecb_cold |
1946 | verify_heap (EV_P_ ANHE *heap, int N) |
2811 | verify_heap (EV_P_ ANHE *heap, int N) |
1947 | { |
2812 | { |
1948 | int i; |
2813 | int i; |
1949 | |
2814 | |
1950 | for (i = HEAP0; i < N + HEAP0; ++i) |
2815 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1955 | |
2820 | |
1956 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2821 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1957 | } |
2822 | } |
1958 | } |
2823 | } |
1959 | |
2824 | |
1960 | static void noinline |
2825 | static void noinline ecb_cold |
1961 | array_verify (EV_P_ W *ws, int cnt) |
2826 | array_verify (EV_P_ W *ws, int cnt) |
1962 | { |
2827 | { |
1963 | while (cnt--) |
2828 | while (cnt--) |
1964 | { |
2829 | { |
1965 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2830 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
1967 | } |
2832 | } |
1968 | } |
2833 | } |
1969 | #endif |
2834 | #endif |
1970 | |
2835 | |
1971 | #if EV_FEATURE_API |
2836 | #if EV_FEATURE_API |
1972 | void |
2837 | void ecb_cold |
1973 | ev_verify (EV_P) |
2838 | ev_verify (EV_P) EV_THROW |
1974 | { |
2839 | { |
1975 | #if EV_VERIFY |
2840 | #if EV_VERIFY |
1976 | int i; |
2841 | int i; |
1977 | WL w; |
2842 | WL w, w2; |
1978 | |
2843 | |
1979 | assert (activecnt >= -1); |
2844 | assert (activecnt >= -1); |
1980 | |
2845 | |
1981 | assert (fdchangemax >= fdchangecnt); |
2846 | assert (fdchangemax >= fdchangecnt); |
1982 | for (i = 0; i < fdchangecnt; ++i) |
2847 | for (i = 0; i < fdchangecnt; ++i) |
1983 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2848 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1984 | |
2849 | |
1985 | assert (anfdmax >= 0); |
2850 | assert (anfdmax >= 0); |
1986 | for (i = 0; i < anfdmax; ++i) |
2851 | for (i = 0; i < anfdmax; ++i) |
|
|
2852 | { |
|
|
2853 | int j = 0; |
|
|
2854 | |
1987 | for (w = anfds [i].head; w; w = w->next) |
2855 | for (w = w2 = anfds [i].head; w; w = w->next) |
1988 | { |
2856 | { |
1989 | verify_watcher (EV_A_ (W)w); |
2857 | verify_watcher (EV_A_ (W)w); |
|
|
2858 | |
|
|
2859 | if (j++ & 1) |
|
|
2860 | { |
|
|
2861 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2862 | w2 = w2->next; |
|
|
2863 | } |
|
|
2864 | |
1990 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2865 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1991 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2866 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1992 | } |
2867 | } |
|
|
2868 | } |
1993 | |
2869 | |
1994 | assert (timermax >= timercnt); |
2870 | assert (timermax >= timercnt); |
1995 | verify_heap (EV_A_ timers, timercnt); |
2871 | verify_heap (EV_A_ timers, timercnt); |
1996 | |
2872 | |
1997 | #if EV_PERIODIC_ENABLE |
2873 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2043 | #endif |
2919 | #endif |
2044 | } |
2920 | } |
2045 | #endif |
2921 | #endif |
2046 | |
2922 | |
2047 | #if EV_MULTIPLICITY |
2923 | #if EV_MULTIPLICITY |
2048 | struct ev_loop * |
2924 | struct ev_loop * ecb_cold |
2049 | #else |
2925 | #else |
2050 | int |
2926 | int |
2051 | #endif |
2927 | #endif |
2052 | ev_default_loop (unsigned int flags) |
2928 | ev_default_loop (unsigned int flags) EV_THROW |
2053 | { |
2929 | { |
2054 | if (!ev_default_loop_ptr) |
2930 | if (!ev_default_loop_ptr) |
2055 | { |
2931 | { |
2056 | #if EV_MULTIPLICITY |
2932 | #if EV_MULTIPLICITY |
2057 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2933 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2076 | |
2952 | |
2077 | return ev_default_loop_ptr; |
2953 | return ev_default_loop_ptr; |
2078 | } |
2954 | } |
2079 | |
2955 | |
2080 | void |
2956 | void |
2081 | ev_loop_fork (EV_P) |
2957 | ev_loop_fork (EV_P) EV_THROW |
2082 | { |
2958 | { |
2083 | postfork = 1; /* must be in line with ev_default_fork */ |
2959 | postfork = 1; |
2084 | } |
2960 | } |
2085 | |
2961 | |
2086 | /*****************************************************************************/ |
2962 | /*****************************************************************************/ |
2087 | |
2963 | |
2088 | void |
2964 | void |
… | |
… | |
2090 | { |
2966 | { |
2091 | EV_CB_INVOKE ((W)w, revents); |
2967 | EV_CB_INVOKE ((W)w, revents); |
2092 | } |
2968 | } |
2093 | |
2969 | |
2094 | unsigned int |
2970 | unsigned int |
2095 | ev_pending_count (EV_P) |
2971 | ev_pending_count (EV_P) EV_THROW |
2096 | { |
2972 | { |
2097 | int pri; |
2973 | int pri; |
2098 | unsigned int count = 0; |
2974 | unsigned int count = 0; |
2099 | |
2975 | |
2100 | for (pri = NUMPRI; pri--; ) |
2976 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2104 | } |
2980 | } |
2105 | |
2981 | |
2106 | void noinline |
2982 | void noinline |
2107 | ev_invoke_pending (EV_P) |
2983 | ev_invoke_pending (EV_P) |
2108 | { |
2984 | { |
2109 | int pri; |
2985 | pendingpri = NUMPRI; |
2110 | |
2986 | |
2111 | for (pri = NUMPRI; pri--; ) |
2987 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
2988 | { |
|
|
2989 | --pendingpri; |
|
|
2990 | |
2112 | while (pendingcnt [pri]) |
2991 | while (pendingcnt [pendingpri]) |
2113 | { |
2992 | { |
2114 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2993 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2115 | |
2994 | |
2116 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2117 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2118 | |
|
|
2119 | p->w->pending = 0; |
2995 | p->w->pending = 0; |
2120 | EV_CB_INVOKE (p->w, p->events); |
2996 | EV_CB_INVOKE (p->w, p->events); |
2121 | EV_FREQUENT_CHECK; |
2997 | EV_FREQUENT_CHECK; |
2122 | } |
2998 | } |
|
|
2999 | } |
2123 | } |
3000 | } |
2124 | |
3001 | |
2125 | #if EV_IDLE_ENABLE |
3002 | #if EV_IDLE_ENABLE |
2126 | /* make idle watchers pending. this handles the "call-idle */ |
3003 | /* make idle watchers pending. this handles the "call-idle */ |
2127 | /* only when higher priorities are idle" logic */ |
3004 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2184 | feed_reverse_done (EV_A_ EV_TIMER); |
3061 | feed_reverse_done (EV_A_ EV_TIMER); |
2185 | } |
3062 | } |
2186 | } |
3063 | } |
2187 | |
3064 | |
2188 | #if EV_PERIODIC_ENABLE |
3065 | #if EV_PERIODIC_ENABLE |
|
|
3066 | |
|
|
3067 | static void noinline |
|
|
3068 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
3069 | { |
|
|
3070 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
3071 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
3072 | |
|
|
3073 | /* the above almost always errs on the low side */ |
|
|
3074 | while (at <= ev_rt_now) |
|
|
3075 | { |
|
|
3076 | ev_tstamp nat = at + w->interval; |
|
|
3077 | |
|
|
3078 | /* when resolution fails us, we use ev_rt_now */ |
|
|
3079 | if (expect_false (nat == at)) |
|
|
3080 | { |
|
|
3081 | at = ev_rt_now; |
|
|
3082 | break; |
|
|
3083 | } |
|
|
3084 | |
|
|
3085 | at = nat; |
|
|
3086 | } |
|
|
3087 | |
|
|
3088 | ev_at (w) = at; |
|
|
3089 | } |
|
|
3090 | |
2189 | /* make periodics pending */ |
3091 | /* make periodics pending */ |
2190 | inline_size void |
3092 | inline_size void |
2191 | periodics_reify (EV_P) |
3093 | periodics_reify (EV_P) |
2192 | { |
3094 | { |
2193 | EV_FREQUENT_CHECK; |
3095 | EV_FREQUENT_CHECK; |
2194 | |
3096 | |
2195 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3097 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2196 | { |
3098 | { |
2197 | int feed_count = 0; |
|
|
2198 | |
|
|
2199 | do |
3099 | do |
2200 | { |
3100 | { |
2201 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3101 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2202 | |
3102 | |
2203 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3103 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2212 | ANHE_at_cache (periodics [HEAP0]); |
3112 | ANHE_at_cache (periodics [HEAP0]); |
2213 | downheap (periodics, periodiccnt, HEAP0); |
3113 | downheap (periodics, periodiccnt, HEAP0); |
2214 | } |
3114 | } |
2215 | else if (w->interval) |
3115 | else if (w->interval) |
2216 | { |
3116 | { |
2217 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3117 | periodic_recalc (EV_A_ w); |
2218 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2219 | /* this might happen because of floating point inexactness */ |
|
|
2220 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2221 | { |
|
|
2222 | ev_at (w) += w->interval; |
|
|
2223 | |
|
|
2224 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2225 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2226 | /* has effectively asked to get triggered more often than possible */ |
|
|
2227 | if (ev_at (w) < ev_rt_now) |
|
|
2228 | ev_at (w) = ev_rt_now; |
|
|
2229 | } |
|
|
2230 | |
|
|
2231 | ANHE_at_cache (periodics [HEAP0]); |
3118 | ANHE_at_cache (periodics [HEAP0]); |
2232 | downheap (periodics, periodiccnt, HEAP0); |
3119 | downheap (periodics, periodiccnt, HEAP0); |
2233 | } |
3120 | } |
2234 | else |
3121 | else |
2235 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
3122 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2243 | } |
3130 | } |
2244 | } |
3131 | } |
2245 | |
3132 | |
2246 | /* simply recalculate all periodics */ |
3133 | /* simply recalculate all periodics */ |
2247 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3134 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2248 | static void noinline |
3135 | static void noinline ecb_cold |
2249 | periodics_reschedule (EV_P) |
3136 | periodics_reschedule (EV_P) |
2250 | { |
3137 | { |
2251 | int i; |
3138 | int i; |
2252 | |
3139 | |
2253 | /* adjust periodics after time jump */ |
3140 | /* adjust periodics after time jump */ |
… | |
… | |
2256 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
3143 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2257 | |
3144 | |
2258 | if (w->reschedule_cb) |
3145 | if (w->reschedule_cb) |
2259 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3146 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2260 | else if (w->interval) |
3147 | else if (w->interval) |
2261 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3148 | periodic_recalc (EV_A_ w); |
2262 | |
3149 | |
2263 | ANHE_at_cache (periodics [i]); |
3150 | ANHE_at_cache (periodics [i]); |
2264 | } |
3151 | } |
2265 | |
3152 | |
2266 | reheap (periodics, periodiccnt); |
3153 | reheap (periodics, periodiccnt); |
2267 | } |
3154 | } |
2268 | #endif |
3155 | #endif |
2269 | |
3156 | |
2270 | /* adjust all timers by a given offset */ |
3157 | /* adjust all timers by a given offset */ |
2271 | static void noinline |
3158 | static void noinline ecb_cold |
2272 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3159 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2273 | { |
3160 | { |
2274 | int i; |
3161 | int i; |
2275 | |
3162 | |
2276 | for (i = 0; i < timercnt; ++i) |
3163 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2313 | * doesn't hurt either as we only do this on time-jumps or |
3200 | * doesn't hurt either as we only do this on time-jumps or |
2314 | * in the unlikely event of having been preempted here. |
3201 | * in the unlikely event of having been preempted here. |
2315 | */ |
3202 | */ |
2316 | for (i = 4; --i; ) |
3203 | for (i = 4; --i; ) |
2317 | { |
3204 | { |
|
|
3205 | ev_tstamp diff; |
2318 | rtmn_diff = ev_rt_now - mn_now; |
3206 | rtmn_diff = ev_rt_now - mn_now; |
2319 | |
3207 | |
|
|
3208 | diff = odiff - rtmn_diff; |
|
|
3209 | |
2320 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
3210 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2321 | return; /* all is well */ |
3211 | return; /* all is well */ |
2322 | |
3212 | |
2323 | ev_rt_now = ev_time (); |
3213 | ev_rt_now = ev_time (); |
2324 | mn_now = get_clock (); |
3214 | mn_now = get_clock (); |
2325 | now_floor = mn_now; |
3215 | now_floor = mn_now; |
… | |
… | |
2347 | |
3237 | |
2348 | mn_now = ev_rt_now; |
3238 | mn_now = ev_rt_now; |
2349 | } |
3239 | } |
2350 | } |
3240 | } |
2351 | |
3241 | |
2352 | void |
3242 | int |
2353 | ev_run (EV_P_ int flags) |
3243 | ev_run (EV_P_ int flags) |
2354 | { |
3244 | { |
2355 | #if EV_FEATURE_API |
3245 | #if EV_FEATURE_API |
2356 | ++loop_depth; |
3246 | ++loop_depth; |
2357 | #endif |
3247 | #endif |
… | |
… | |
2415 | ev_tstamp prev_mn_now = mn_now; |
3305 | ev_tstamp prev_mn_now = mn_now; |
2416 | |
3306 | |
2417 | /* update time to cancel out callback processing overhead */ |
3307 | /* update time to cancel out callback processing overhead */ |
2418 | time_update (EV_A_ 1e100); |
3308 | time_update (EV_A_ 1e100); |
2419 | |
3309 | |
|
|
3310 | /* from now on, we want a pipe-wake-up */ |
|
|
3311 | pipe_write_wanted = 1; |
|
|
3312 | |
|
|
3313 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3314 | |
2420 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
3315 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2421 | { |
3316 | { |
2422 | waittime = MAX_BLOCKTIME; |
3317 | waittime = MAX_BLOCKTIME; |
2423 | |
3318 | |
2424 | if (timercnt) |
3319 | if (timercnt) |
2425 | { |
3320 | { |
2426 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
3321 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2427 | if (waittime > to) waittime = to; |
3322 | if (waittime > to) waittime = to; |
2428 | } |
3323 | } |
2429 | |
3324 | |
2430 | #if EV_PERIODIC_ENABLE |
3325 | #if EV_PERIODIC_ENABLE |
2431 | if (periodiccnt) |
3326 | if (periodiccnt) |
2432 | { |
3327 | { |
2433 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
3328 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2434 | if (waittime > to) waittime = to; |
3329 | if (waittime > to) waittime = to; |
2435 | } |
3330 | } |
2436 | #endif |
3331 | #endif |
2437 | |
3332 | |
2438 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3333 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2439 | if (expect_false (waittime < timeout_blocktime)) |
3334 | if (expect_false (waittime < timeout_blocktime)) |
2440 | waittime = timeout_blocktime; |
3335 | waittime = timeout_blocktime; |
|
|
3336 | |
|
|
3337 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
3338 | /* to pass a minimum nonzero value to the backend */ |
|
|
3339 | if (expect_false (waittime < backend_mintime)) |
|
|
3340 | waittime = backend_mintime; |
2441 | |
3341 | |
2442 | /* extra check because io_blocktime is commonly 0 */ |
3342 | /* extra check because io_blocktime is commonly 0 */ |
2443 | if (expect_false (io_blocktime)) |
3343 | if (expect_false (io_blocktime)) |
2444 | { |
3344 | { |
2445 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3345 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2446 | |
3346 | |
2447 | if (sleeptime > waittime - backend_fudge) |
3347 | if (sleeptime > waittime - backend_mintime) |
2448 | sleeptime = waittime - backend_fudge; |
3348 | sleeptime = waittime - backend_mintime; |
2449 | |
3349 | |
2450 | if (expect_true (sleeptime > 0.)) |
3350 | if (expect_true (sleeptime > 0.)) |
2451 | { |
3351 | { |
2452 | ev_sleep (sleeptime); |
3352 | ev_sleep (sleeptime); |
2453 | waittime -= sleeptime; |
3353 | waittime -= sleeptime; |
… | |
… | |
2460 | #endif |
3360 | #endif |
2461 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3361 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2462 | backend_poll (EV_A_ waittime); |
3362 | backend_poll (EV_A_ waittime); |
2463 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3363 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2464 | |
3364 | |
|
|
3365 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
3366 | |
|
|
3367 | ECB_MEMORY_FENCE_ACQUIRE; |
|
|
3368 | if (pipe_write_skipped) |
|
|
3369 | { |
|
|
3370 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3371 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3372 | } |
|
|
3373 | |
|
|
3374 | |
2465 | /* update ev_rt_now, do magic */ |
3375 | /* update ev_rt_now, do magic */ |
2466 | time_update (EV_A_ waittime + sleeptime); |
3376 | time_update (EV_A_ waittime + sleeptime); |
2467 | } |
3377 | } |
2468 | |
3378 | |
2469 | /* queue pending timers and reschedule them */ |
3379 | /* queue pending timers and reschedule them */ |
… | |
… | |
2495 | loop_done = EVBREAK_CANCEL; |
3405 | loop_done = EVBREAK_CANCEL; |
2496 | |
3406 | |
2497 | #if EV_FEATURE_API |
3407 | #if EV_FEATURE_API |
2498 | --loop_depth; |
3408 | --loop_depth; |
2499 | #endif |
3409 | #endif |
|
|
3410 | |
|
|
3411 | return activecnt; |
2500 | } |
3412 | } |
2501 | |
3413 | |
2502 | void |
3414 | void |
2503 | ev_break (EV_P_ int how) |
3415 | ev_break (EV_P_ int how) EV_THROW |
2504 | { |
3416 | { |
2505 | loop_done = how; |
3417 | loop_done = how; |
2506 | } |
3418 | } |
2507 | |
3419 | |
2508 | void |
3420 | void |
2509 | ev_ref (EV_P) |
3421 | ev_ref (EV_P) EV_THROW |
2510 | { |
3422 | { |
2511 | ++activecnt; |
3423 | ++activecnt; |
2512 | } |
3424 | } |
2513 | |
3425 | |
2514 | void |
3426 | void |
2515 | ev_unref (EV_P) |
3427 | ev_unref (EV_P) EV_THROW |
2516 | { |
3428 | { |
2517 | --activecnt; |
3429 | --activecnt; |
2518 | } |
3430 | } |
2519 | |
3431 | |
2520 | void |
3432 | void |
2521 | ev_now_update (EV_P) |
3433 | ev_now_update (EV_P) EV_THROW |
2522 | { |
3434 | { |
2523 | time_update (EV_A_ 1e100); |
3435 | time_update (EV_A_ 1e100); |
2524 | } |
3436 | } |
2525 | |
3437 | |
2526 | void |
3438 | void |
2527 | ev_suspend (EV_P) |
3439 | ev_suspend (EV_P) EV_THROW |
2528 | { |
3440 | { |
2529 | ev_now_update (EV_A); |
3441 | ev_now_update (EV_A); |
2530 | } |
3442 | } |
2531 | |
3443 | |
2532 | void |
3444 | void |
2533 | ev_resume (EV_P) |
3445 | ev_resume (EV_P) EV_THROW |
2534 | { |
3446 | { |
2535 | ev_tstamp mn_prev = mn_now; |
3447 | ev_tstamp mn_prev = mn_now; |
2536 | |
3448 | |
2537 | ev_now_update (EV_A); |
3449 | ev_now_update (EV_A); |
2538 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3450 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2577 | w->pending = 0; |
3489 | w->pending = 0; |
2578 | } |
3490 | } |
2579 | } |
3491 | } |
2580 | |
3492 | |
2581 | int |
3493 | int |
2582 | ev_clear_pending (EV_P_ void *w) |
3494 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2583 | { |
3495 | { |
2584 | W w_ = (W)w; |
3496 | W w_ = (W)w; |
2585 | int pending = w_->pending; |
3497 | int pending = w_->pending; |
2586 | |
3498 | |
2587 | if (expect_true (pending)) |
3499 | if (expect_true (pending)) |
… | |
… | |
2620 | } |
3532 | } |
2621 | |
3533 | |
2622 | /*****************************************************************************/ |
3534 | /*****************************************************************************/ |
2623 | |
3535 | |
2624 | void noinline |
3536 | void noinline |
2625 | ev_io_start (EV_P_ ev_io *w) |
3537 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2626 | { |
3538 | { |
2627 | int fd = w->fd; |
3539 | int fd = w->fd; |
2628 | |
3540 | |
2629 | if (expect_false (ev_is_active (w))) |
3541 | if (expect_false (ev_is_active (w))) |
2630 | return; |
3542 | return; |
… | |
… | |
2636 | |
3548 | |
2637 | ev_start (EV_A_ (W)w, 1); |
3549 | ev_start (EV_A_ (W)w, 1); |
2638 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3550 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2639 | wlist_add (&anfds[fd].head, (WL)w); |
3551 | wlist_add (&anfds[fd].head, (WL)w); |
2640 | |
3552 | |
|
|
3553 | /* common bug, apparently */ |
|
|
3554 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3555 | |
2641 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3556 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2642 | w->events &= ~EV__IOFDSET; |
3557 | w->events &= ~EV__IOFDSET; |
2643 | |
3558 | |
2644 | EV_FREQUENT_CHECK; |
3559 | EV_FREQUENT_CHECK; |
2645 | } |
3560 | } |
2646 | |
3561 | |
2647 | void noinline |
3562 | void noinline |
2648 | ev_io_stop (EV_P_ ev_io *w) |
3563 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2649 | { |
3564 | { |
2650 | clear_pending (EV_A_ (W)w); |
3565 | clear_pending (EV_A_ (W)w); |
2651 | if (expect_false (!ev_is_active (w))) |
3566 | if (expect_false (!ev_is_active (w))) |
2652 | return; |
3567 | return; |
2653 | |
3568 | |
… | |
… | |
2662 | |
3577 | |
2663 | EV_FREQUENT_CHECK; |
3578 | EV_FREQUENT_CHECK; |
2664 | } |
3579 | } |
2665 | |
3580 | |
2666 | void noinline |
3581 | void noinline |
2667 | ev_timer_start (EV_P_ ev_timer *w) |
3582 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2668 | { |
3583 | { |
2669 | if (expect_false (ev_is_active (w))) |
3584 | if (expect_false (ev_is_active (w))) |
2670 | return; |
3585 | return; |
2671 | |
3586 | |
2672 | ev_at (w) += mn_now; |
3587 | ev_at (w) += mn_now; |
… | |
… | |
2686 | |
3601 | |
2687 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3602 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2688 | } |
3603 | } |
2689 | |
3604 | |
2690 | void noinline |
3605 | void noinline |
2691 | ev_timer_stop (EV_P_ ev_timer *w) |
3606 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2692 | { |
3607 | { |
2693 | clear_pending (EV_A_ (W)w); |
3608 | clear_pending (EV_A_ (W)w); |
2694 | if (expect_false (!ev_is_active (w))) |
3609 | if (expect_false (!ev_is_active (w))) |
2695 | return; |
3610 | return; |
2696 | |
3611 | |
… | |
… | |
2716 | |
3631 | |
2717 | EV_FREQUENT_CHECK; |
3632 | EV_FREQUENT_CHECK; |
2718 | } |
3633 | } |
2719 | |
3634 | |
2720 | void noinline |
3635 | void noinline |
2721 | ev_timer_again (EV_P_ ev_timer *w) |
3636 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2722 | { |
3637 | { |
2723 | EV_FREQUENT_CHECK; |
3638 | EV_FREQUENT_CHECK; |
|
|
3639 | |
|
|
3640 | clear_pending (EV_A_ (W)w); |
2724 | |
3641 | |
2725 | if (ev_is_active (w)) |
3642 | if (ev_is_active (w)) |
2726 | { |
3643 | { |
2727 | if (w->repeat) |
3644 | if (w->repeat) |
2728 | { |
3645 | { |
… | |
… | |
2741 | |
3658 | |
2742 | EV_FREQUENT_CHECK; |
3659 | EV_FREQUENT_CHECK; |
2743 | } |
3660 | } |
2744 | |
3661 | |
2745 | ev_tstamp |
3662 | ev_tstamp |
2746 | ev_timer_remaining (EV_P_ ev_timer *w) |
3663 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2747 | { |
3664 | { |
2748 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3665 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2749 | } |
3666 | } |
2750 | |
3667 | |
2751 | #if EV_PERIODIC_ENABLE |
3668 | #if EV_PERIODIC_ENABLE |
2752 | void noinline |
3669 | void noinline |
2753 | ev_periodic_start (EV_P_ ev_periodic *w) |
3670 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2754 | { |
3671 | { |
2755 | if (expect_false (ev_is_active (w))) |
3672 | if (expect_false (ev_is_active (w))) |
2756 | return; |
3673 | return; |
2757 | |
3674 | |
2758 | if (w->reschedule_cb) |
3675 | if (w->reschedule_cb) |
2759 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3676 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2760 | else if (w->interval) |
3677 | else if (w->interval) |
2761 | { |
3678 | { |
2762 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
3679 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2763 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
3680 | periodic_recalc (EV_A_ w); |
2764 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2765 | } |
3681 | } |
2766 | else |
3682 | else |
2767 | ev_at (w) = w->offset; |
3683 | ev_at (w) = w->offset; |
2768 | |
3684 | |
2769 | EV_FREQUENT_CHECK; |
3685 | EV_FREQUENT_CHECK; |
… | |
… | |
2779 | |
3695 | |
2780 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3696 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2781 | } |
3697 | } |
2782 | |
3698 | |
2783 | void noinline |
3699 | void noinline |
2784 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3700 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2785 | { |
3701 | { |
2786 | clear_pending (EV_A_ (W)w); |
3702 | clear_pending (EV_A_ (W)w); |
2787 | if (expect_false (!ev_is_active (w))) |
3703 | if (expect_false (!ev_is_active (w))) |
2788 | return; |
3704 | return; |
2789 | |
3705 | |
… | |
… | |
2807 | |
3723 | |
2808 | EV_FREQUENT_CHECK; |
3724 | EV_FREQUENT_CHECK; |
2809 | } |
3725 | } |
2810 | |
3726 | |
2811 | void noinline |
3727 | void noinline |
2812 | ev_periodic_again (EV_P_ ev_periodic *w) |
3728 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2813 | { |
3729 | { |
2814 | /* TODO: use adjustheap and recalculation */ |
3730 | /* TODO: use adjustheap and recalculation */ |
2815 | ev_periodic_stop (EV_A_ w); |
3731 | ev_periodic_stop (EV_A_ w); |
2816 | ev_periodic_start (EV_A_ w); |
3732 | ev_periodic_start (EV_A_ w); |
2817 | } |
3733 | } |
… | |
… | |
2822 | #endif |
3738 | #endif |
2823 | |
3739 | |
2824 | #if EV_SIGNAL_ENABLE |
3740 | #if EV_SIGNAL_ENABLE |
2825 | |
3741 | |
2826 | void noinline |
3742 | void noinline |
2827 | ev_signal_start (EV_P_ ev_signal *w) |
3743 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2828 | { |
3744 | { |
2829 | if (expect_false (ev_is_active (w))) |
3745 | if (expect_false (ev_is_active (w))) |
2830 | return; |
3746 | return; |
2831 | |
3747 | |
2832 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3748 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
2834 | #if EV_MULTIPLICITY |
3750 | #if EV_MULTIPLICITY |
2835 | assert (("libev: a signal must not be attached to two different loops", |
3751 | assert (("libev: a signal must not be attached to two different loops", |
2836 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3752 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2837 | |
3753 | |
2838 | signals [w->signum - 1].loop = EV_A; |
3754 | signals [w->signum - 1].loop = EV_A; |
|
|
3755 | ECB_MEMORY_FENCE_RELEASE; |
2839 | #endif |
3756 | #endif |
2840 | |
3757 | |
2841 | EV_FREQUENT_CHECK; |
3758 | EV_FREQUENT_CHECK; |
2842 | |
3759 | |
2843 | #if EV_USE_SIGNALFD |
3760 | #if EV_USE_SIGNALFD |
… | |
… | |
2903 | |
3820 | |
2904 | EV_FREQUENT_CHECK; |
3821 | EV_FREQUENT_CHECK; |
2905 | } |
3822 | } |
2906 | |
3823 | |
2907 | void noinline |
3824 | void noinline |
2908 | ev_signal_stop (EV_P_ ev_signal *w) |
3825 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
2909 | { |
3826 | { |
2910 | clear_pending (EV_A_ (W)w); |
3827 | clear_pending (EV_A_ (W)w); |
2911 | if (expect_false (!ev_is_active (w))) |
3828 | if (expect_false (!ev_is_active (w))) |
2912 | return; |
3829 | return; |
2913 | |
3830 | |
… | |
… | |
2944 | #endif |
3861 | #endif |
2945 | |
3862 | |
2946 | #if EV_CHILD_ENABLE |
3863 | #if EV_CHILD_ENABLE |
2947 | |
3864 | |
2948 | void |
3865 | void |
2949 | ev_child_start (EV_P_ ev_child *w) |
3866 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
2950 | { |
3867 | { |
2951 | #if EV_MULTIPLICITY |
3868 | #if EV_MULTIPLICITY |
2952 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3869 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2953 | #endif |
3870 | #endif |
2954 | if (expect_false (ev_is_active (w))) |
3871 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2961 | |
3878 | |
2962 | EV_FREQUENT_CHECK; |
3879 | EV_FREQUENT_CHECK; |
2963 | } |
3880 | } |
2964 | |
3881 | |
2965 | void |
3882 | void |
2966 | ev_child_stop (EV_P_ ev_child *w) |
3883 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
2967 | { |
3884 | { |
2968 | clear_pending (EV_A_ (W)w); |
3885 | clear_pending (EV_A_ (W)w); |
2969 | if (expect_false (!ev_is_active (w))) |
3886 | if (expect_false (!ev_is_active (w))) |
2970 | return; |
3887 | return; |
2971 | |
3888 | |
… | |
… | |
2998 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3915 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2999 | |
3916 | |
3000 | static void noinline |
3917 | static void noinline |
3001 | infy_add (EV_P_ ev_stat *w) |
3918 | infy_add (EV_P_ ev_stat *w) |
3002 | { |
3919 | { |
3003 | 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); |
3920 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
3921 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
3922 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
3923 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3004 | |
3924 | |
3005 | if (w->wd >= 0) |
3925 | if (w->wd >= 0) |
3006 | { |
3926 | { |
3007 | struct statfs sfs; |
3927 | struct statfs sfs; |
3008 | |
3928 | |
… | |
… | |
3012 | |
3932 | |
3013 | if (!fs_2625) |
3933 | if (!fs_2625) |
3014 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3934 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3015 | else if (!statfs (w->path, &sfs) |
3935 | else if (!statfs (w->path, &sfs) |
3016 | && (sfs.f_type == 0x1373 /* devfs */ |
3936 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3937 | || sfs.f_type == 0x4006 /* fat */ |
|
|
3938 | || sfs.f_type == 0x4d44 /* msdos */ |
3017 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
3939 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3940 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
3941 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
3942 | || sfs.f_type == 0x5346544e /* ntfs */ |
3018 | || sfs.f_type == 0x3153464a /* jfs */ |
3943 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3944 | || sfs.f_type == 0x9123683e /* btrfs */ |
3019 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3945 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3020 | || sfs.f_type == 0x01021994 /* tempfs */ |
3946 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3021 | || sfs.f_type == 0x58465342 /* xfs */)) |
3947 | || sfs.f_type == 0x58465342 /* xfs */)) |
3022 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3948 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3023 | else |
3949 | else |
3024 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3950 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3025 | } |
3951 | } |
… | |
… | |
3046 | if (!pend || pend == path) |
3972 | if (!pend || pend == path) |
3047 | break; |
3973 | break; |
3048 | |
3974 | |
3049 | *pend = 0; |
3975 | *pend = 0; |
3050 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3976 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3051 | } |
3977 | } |
3052 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3978 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3053 | } |
3979 | } |
3054 | } |
3980 | } |
3055 | |
3981 | |
3056 | if (w->wd >= 0) |
3982 | if (w->wd >= 0) |
… | |
… | |
3123 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4049 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3124 | ofs += sizeof (struct inotify_event) + ev->len; |
4050 | ofs += sizeof (struct inotify_event) + ev->len; |
3125 | } |
4051 | } |
3126 | } |
4052 | } |
3127 | |
4053 | |
3128 | inline_size void |
4054 | inline_size void ecb_cold |
3129 | ev_check_2625 (EV_P) |
4055 | ev_check_2625 (EV_P) |
3130 | { |
4056 | { |
3131 | /* kernels < 2.6.25 are borked |
4057 | /* kernels < 2.6.25 are borked |
3132 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4058 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3133 | */ |
4059 | */ |
… | |
… | |
3138 | } |
4064 | } |
3139 | |
4065 | |
3140 | inline_size int |
4066 | inline_size int |
3141 | infy_newfd (void) |
4067 | infy_newfd (void) |
3142 | { |
4068 | { |
3143 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4069 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3144 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4070 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3145 | if (fd >= 0) |
4071 | if (fd >= 0) |
3146 | return fd; |
4072 | return fd; |
3147 | #endif |
4073 | #endif |
3148 | return inotify_init (); |
4074 | return inotify_init (); |
… | |
… | |
3223 | #else |
4149 | #else |
3224 | # define EV_LSTAT(p,b) lstat (p, b) |
4150 | # define EV_LSTAT(p,b) lstat (p, b) |
3225 | #endif |
4151 | #endif |
3226 | |
4152 | |
3227 | void |
4153 | void |
3228 | ev_stat_stat (EV_P_ ev_stat *w) |
4154 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3229 | { |
4155 | { |
3230 | if (lstat (w->path, &w->attr) < 0) |
4156 | if (lstat (w->path, &w->attr) < 0) |
3231 | w->attr.st_nlink = 0; |
4157 | w->attr.st_nlink = 0; |
3232 | else if (!w->attr.st_nlink) |
4158 | else if (!w->attr.st_nlink) |
3233 | w->attr.st_nlink = 1; |
4159 | w->attr.st_nlink = 1; |
… | |
… | |
3272 | ev_feed_event (EV_A_ w, EV_STAT); |
4198 | ev_feed_event (EV_A_ w, EV_STAT); |
3273 | } |
4199 | } |
3274 | } |
4200 | } |
3275 | |
4201 | |
3276 | void |
4202 | void |
3277 | ev_stat_start (EV_P_ ev_stat *w) |
4203 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3278 | { |
4204 | { |
3279 | if (expect_false (ev_is_active (w))) |
4205 | if (expect_false (ev_is_active (w))) |
3280 | return; |
4206 | return; |
3281 | |
4207 | |
3282 | ev_stat_stat (EV_A_ w); |
4208 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3303 | |
4229 | |
3304 | EV_FREQUENT_CHECK; |
4230 | EV_FREQUENT_CHECK; |
3305 | } |
4231 | } |
3306 | |
4232 | |
3307 | void |
4233 | void |
3308 | ev_stat_stop (EV_P_ ev_stat *w) |
4234 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3309 | { |
4235 | { |
3310 | clear_pending (EV_A_ (W)w); |
4236 | clear_pending (EV_A_ (W)w); |
3311 | if (expect_false (!ev_is_active (w))) |
4237 | if (expect_false (!ev_is_active (w))) |
3312 | return; |
4238 | return; |
3313 | |
4239 | |
… | |
… | |
3329 | } |
4255 | } |
3330 | #endif |
4256 | #endif |
3331 | |
4257 | |
3332 | #if EV_IDLE_ENABLE |
4258 | #if EV_IDLE_ENABLE |
3333 | void |
4259 | void |
3334 | ev_idle_start (EV_P_ ev_idle *w) |
4260 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3335 | { |
4261 | { |
3336 | if (expect_false (ev_is_active (w))) |
4262 | if (expect_false (ev_is_active (w))) |
3337 | return; |
4263 | return; |
3338 | |
4264 | |
3339 | pri_adjust (EV_A_ (W)w); |
4265 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3352 | |
4278 | |
3353 | EV_FREQUENT_CHECK; |
4279 | EV_FREQUENT_CHECK; |
3354 | } |
4280 | } |
3355 | |
4281 | |
3356 | void |
4282 | void |
3357 | ev_idle_stop (EV_P_ ev_idle *w) |
4283 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3358 | { |
4284 | { |
3359 | clear_pending (EV_A_ (W)w); |
4285 | clear_pending (EV_A_ (W)w); |
3360 | if (expect_false (!ev_is_active (w))) |
4286 | if (expect_false (!ev_is_active (w))) |
3361 | return; |
4287 | return; |
3362 | |
4288 | |
… | |
… | |
3376 | } |
4302 | } |
3377 | #endif |
4303 | #endif |
3378 | |
4304 | |
3379 | #if EV_PREPARE_ENABLE |
4305 | #if EV_PREPARE_ENABLE |
3380 | void |
4306 | void |
3381 | ev_prepare_start (EV_P_ ev_prepare *w) |
4307 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3382 | { |
4308 | { |
3383 | if (expect_false (ev_is_active (w))) |
4309 | if (expect_false (ev_is_active (w))) |
3384 | return; |
4310 | return; |
3385 | |
4311 | |
3386 | EV_FREQUENT_CHECK; |
4312 | EV_FREQUENT_CHECK; |
… | |
… | |
3391 | |
4317 | |
3392 | EV_FREQUENT_CHECK; |
4318 | EV_FREQUENT_CHECK; |
3393 | } |
4319 | } |
3394 | |
4320 | |
3395 | void |
4321 | void |
3396 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4322 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3397 | { |
4323 | { |
3398 | clear_pending (EV_A_ (W)w); |
4324 | clear_pending (EV_A_ (W)w); |
3399 | if (expect_false (!ev_is_active (w))) |
4325 | if (expect_false (!ev_is_active (w))) |
3400 | return; |
4326 | return; |
3401 | |
4327 | |
… | |
… | |
3414 | } |
4340 | } |
3415 | #endif |
4341 | #endif |
3416 | |
4342 | |
3417 | #if EV_CHECK_ENABLE |
4343 | #if EV_CHECK_ENABLE |
3418 | void |
4344 | void |
3419 | ev_check_start (EV_P_ ev_check *w) |
4345 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3420 | { |
4346 | { |
3421 | if (expect_false (ev_is_active (w))) |
4347 | if (expect_false (ev_is_active (w))) |
3422 | return; |
4348 | return; |
3423 | |
4349 | |
3424 | EV_FREQUENT_CHECK; |
4350 | EV_FREQUENT_CHECK; |
… | |
… | |
3429 | |
4355 | |
3430 | EV_FREQUENT_CHECK; |
4356 | EV_FREQUENT_CHECK; |
3431 | } |
4357 | } |
3432 | |
4358 | |
3433 | void |
4359 | void |
3434 | ev_check_stop (EV_P_ ev_check *w) |
4360 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3435 | { |
4361 | { |
3436 | clear_pending (EV_A_ (W)w); |
4362 | clear_pending (EV_A_ (W)w); |
3437 | if (expect_false (!ev_is_active (w))) |
4363 | if (expect_false (!ev_is_active (w))) |
3438 | return; |
4364 | return; |
3439 | |
4365 | |
… | |
… | |
3452 | } |
4378 | } |
3453 | #endif |
4379 | #endif |
3454 | |
4380 | |
3455 | #if EV_EMBED_ENABLE |
4381 | #if EV_EMBED_ENABLE |
3456 | void noinline |
4382 | void noinline |
3457 | ev_embed_sweep (EV_P_ ev_embed *w) |
4383 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3458 | { |
4384 | { |
3459 | ev_run (w->other, EVRUN_NOWAIT); |
4385 | ev_run (w->other, EVRUN_NOWAIT); |
3460 | } |
4386 | } |
3461 | |
4387 | |
3462 | static void |
4388 | static void |
… | |
… | |
3510 | ev_idle_stop (EV_A_ idle); |
4436 | ev_idle_stop (EV_A_ idle); |
3511 | } |
4437 | } |
3512 | #endif |
4438 | #endif |
3513 | |
4439 | |
3514 | void |
4440 | void |
3515 | ev_embed_start (EV_P_ ev_embed *w) |
4441 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3516 | { |
4442 | { |
3517 | if (expect_false (ev_is_active (w))) |
4443 | if (expect_false (ev_is_active (w))) |
3518 | return; |
4444 | return; |
3519 | |
4445 | |
3520 | { |
4446 | { |
… | |
… | |
3541 | |
4467 | |
3542 | EV_FREQUENT_CHECK; |
4468 | EV_FREQUENT_CHECK; |
3543 | } |
4469 | } |
3544 | |
4470 | |
3545 | void |
4471 | void |
3546 | ev_embed_stop (EV_P_ ev_embed *w) |
4472 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3547 | { |
4473 | { |
3548 | clear_pending (EV_A_ (W)w); |
4474 | clear_pending (EV_A_ (W)w); |
3549 | if (expect_false (!ev_is_active (w))) |
4475 | if (expect_false (!ev_is_active (w))) |
3550 | return; |
4476 | return; |
3551 | |
4477 | |
… | |
… | |
3561 | } |
4487 | } |
3562 | #endif |
4488 | #endif |
3563 | |
4489 | |
3564 | #if EV_FORK_ENABLE |
4490 | #if EV_FORK_ENABLE |
3565 | void |
4491 | void |
3566 | ev_fork_start (EV_P_ ev_fork *w) |
4492 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3567 | { |
4493 | { |
3568 | if (expect_false (ev_is_active (w))) |
4494 | if (expect_false (ev_is_active (w))) |
3569 | return; |
4495 | return; |
3570 | |
4496 | |
3571 | EV_FREQUENT_CHECK; |
4497 | EV_FREQUENT_CHECK; |
… | |
… | |
3576 | |
4502 | |
3577 | EV_FREQUENT_CHECK; |
4503 | EV_FREQUENT_CHECK; |
3578 | } |
4504 | } |
3579 | |
4505 | |
3580 | void |
4506 | void |
3581 | ev_fork_stop (EV_P_ ev_fork *w) |
4507 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3582 | { |
4508 | { |
3583 | clear_pending (EV_A_ (W)w); |
4509 | clear_pending (EV_A_ (W)w); |
3584 | if (expect_false (!ev_is_active (w))) |
4510 | if (expect_false (!ev_is_active (w))) |
3585 | return; |
4511 | return; |
3586 | |
4512 | |
… | |
… | |
3599 | } |
4525 | } |
3600 | #endif |
4526 | #endif |
3601 | |
4527 | |
3602 | #if EV_CLEANUP_ENABLE |
4528 | #if EV_CLEANUP_ENABLE |
3603 | void |
4529 | void |
3604 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4530 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
3605 | { |
4531 | { |
3606 | if (expect_false (ev_is_active (w))) |
4532 | if (expect_false (ev_is_active (w))) |
3607 | return; |
4533 | return; |
3608 | |
4534 | |
3609 | EV_FREQUENT_CHECK; |
4535 | EV_FREQUENT_CHECK; |
… | |
… | |
3616 | ev_unref (EV_A); |
4542 | ev_unref (EV_A); |
3617 | EV_FREQUENT_CHECK; |
4543 | EV_FREQUENT_CHECK; |
3618 | } |
4544 | } |
3619 | |
4545 | |
3620 | void |
4546 | void |
3621 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4547 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
3622 | { |
4548 | { |
3623 | clear_pending (EV_A_ (W)w); |
4549 | clear_pending (EV_A_ (W)w); |
3624 | if (expect_false (!ev_is_active (w))) |
4550 | if (expect_false (!ev_is_active (w))) |
3625 | return; |
4551 | return; |
3626 | |
4552 | |
… | |
… | |
3640 | } |
4566 | } |
3641 | #endif |
4567 | #endif |
3642 | |
4568 | |
3643 | #if EV_ASYNC_ENABLE |
4569 | #if EV_ASYNC_ENABLE |
3644 | void |
4570 | void |
3645 | ev_async_start (EV_P_ ev_async *w) |
4571 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3646 | { |
4572 | { |
3647 | if (expect_false (ev_is_active (w))) |
4573 | if (expect_false (ev_is_active (w))) |
3648 | return; |
4574 | return; |
3649 | |
4575 | |
3650 | w->sent = 0; |
4576 | w->sent = 0; |
… | |
… | |
3659 | |
4585 | |
3660 | EV_FREQUENT_CHECK; |
4586 | EV_FREQUENT_CHECK; |
3661 | } |
4587 | } |
3662 | |
4588 | |
3663 | void |
4589 | void |
3664 | ev_async_stop (EV_P_ ev_async *w) |
4590 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3665 | { |
4591 | { |
3666 | clear_pending (EV_A_ (W)w); |
4592 | clear_pending (EV_A_ (W)w); |
3667 | if (expect_false (!ev_is_active (w))) |
4593 | if (expect_false (!ev_is_active (w))) |
3668 | return; |
4594 | return; |
3669 | |
4595 | |
… | |
… | |
3680 | |
4606 | |
3681 | EV_FREQUENT_CHECK; |
4607 | EV_FREQUENT_CHECK; |
3682 | } |
4608 | } |
3683 | |
4609 | |
3684 | void |
4610 | void |
3685 | ev_async_send (EV_P_ ev_async *w) |
4611 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3686 | { |
4612 | { |
3687 | w->sent = 1; |
4613 | w->sent = 1; |
3688 | evpipe_write (EV_A_ &async_pending); |
4614 | evpipe_write (EV_A_ &async_pending); |
3689 | } |
4615 | } |
3690 | #endif |
4616 | #endif |
… | |
… | |
3727 | |
4653 | |
3728 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4654 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3729 | } |
4655 | } |
3730 | |
4656 | |
3731 | void |
4657 | void |
3732 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4658 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3733 | { |
4659 | { |
3734 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4660 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3735 | |
4661 | |
3736 | if (expect_false (!once)) |
4662 | if (expect_false (!once)) |
3737 | { |
4663 | { |
… | |
… | |
3758 | } |
4684 | } |
3759 | |
4685 | |
3760 | /*****************************************************************************/ |
4686 | /*****************************************************************************/ |
3761 | |
4687 | |
3762 | #if EV_WALK_ENABLE |
4688 | #if EV_WALK_ENABLE |
3763 | void |
4689 | void ecb_cold |
3764 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4690 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3765 | { |
4691 | { |
3766 | int i, j; |
4692 | int i, j; |
3767 | ev_watcher_list *wl, *wn; |
4693 | ev_watcher_list *wl, *wn; |
3768 | |
4694 | |
3769 | if (types & (EV_IO | EV_EMBED)) |
4695 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3812 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4738 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3813 | #endif |
4739 | #endif |
3814 | |
4740 | |
3815 | #if EV_IDLE_ENABLE |
4741 | #if EV_IDLE_ENABLE |
3816 | if (types & EV_IDLE) |
4742 | if (types & EV_IDLE) |
3817 | for (j = NUMPRI; i--; ) |
4743 | for (j = NUMPRI; j--; ) |
3818 | for (i = idlecnt [j]; i--; ) |
4744 | for (i = idlecnt [j]; i--; ) |
3819 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4745 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3820 | #endif |
4746 | #endif |
3821 | |
4747 | |
3822 | #if EV_FORK_ENABLE |
4748 | #if EV_FORK_ENABLE |
… | |
… | |
3875 | |
4801 | |
3876 | #if EV_MULTIPLICITY |
4802 | #if EV_MULTIPLICITY |
3877 | #include "ev_wrap.h" |
4803 | #include "ev_wrap.h" |
3878 | #endif |
4804 | #endif |
3879 | |
4805 | |
3880 | EV_CPP(}) |
|
|
3881 | |
|
|