1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 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 | * |
… | |
… | |
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 |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
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|
53 | |
53 | |
54 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
114 | # endif |
114 | # endif |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
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118 | # endif |
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119 | |
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120 | # if HAVE_LINUX_AIO_ABI_H |
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121 | # ifndef EV_USE_LINUXAIO |
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122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
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123 | # endif |
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124 | # else |
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|
125 | # undef EV_USE_LINUXAIO |
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126 | # define EV_USE_LINUXAIO 0 |
118 | # endif |
127 | # endif |
119 | |
128 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
130 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
171 | # define EV_USE_EVENTFD 0 |
163 | # endif |
172 | # endif |
164 | |
173 | |
165 | #endif |
174 | #endif |
166 | |
175 | |
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|
176 | /* OS X, in its infinite idiocy, actually HARDCODES |
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|
177 | * a limit of 1024 into their select. Where people have brains, |
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|
178 | * OS X engineers apparently have a vacuum. Or maybe they were |
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|
179 | * ordered to have a vacuum, or they do anything for money. |
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180 | * This might help. Or not. |
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181 | * Note that this must be defined early, as other include files |
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182 | * will rely on this define as well. |
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183 | */ |
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184 | #define _DARWIN_UNLIMITED_SELECT 1 |
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185 | |
167 | #include <stdlib.h> |
186 | #include <stdlib.h> |
168 | #include <string.h> |
187 | #include <string.h> |
169 | #include <fcntl.h> |
188 | #include <fcntl.h> |
170 | #include <stddef.h> |
189 | #include <stddef.h> |
171 | |
190 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
227 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
228 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
229 | # endif |
211 | # undef EV_AVOID_STDIO |
230 | # undef EV_AVOID_STDIO |
212 | #endif |
231 | #endif |
213 | |
|
|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
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|
215 | * a limit of 1024 into their select. Where people have brains, |
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216 | * OS X engineers apparently have a vacuum. Or maybe they were |
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217 | * ordered to have a vacuum, or they do anything for money. |
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218 | * This might help. Or not. |
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219 | */ |
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220 | #define _DARWIN_UNLIMITED_SELECT 1 |
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221 | |
232 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
233 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
234 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
235 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
236 | #if defined EV_NSIG |
… | |
… | |
249 | #ifndef EV_USE_FLOOR |
260 | #ifndef EV_USE_FLOOR |
250 | # define EV_USE_FLOOR 0 |
261 | # define EV_USE_FLOOR 0 |
251 | #endif |
262 | #endif |
252 | |
263 | |
253 | #ifndef EV_USE_CLOCK_SYSCALL |
264 | #ifndef EV_USE_CLOCK_SYSCALL |
254 | # if __linux && __GLIBC__ >= 2 |
265 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
255 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
266 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
256 | # else |
267 | # else |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
268 | # define EV_USE_CLOCK_SYSCALL 0 |
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269 | # endif |
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270 | #endif |
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271 | |
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272 | #if !(_POSIX_TIMERS > 0) |
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273 | # ifndef EV_USE_MONOTONIC |
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274 | # define EV_USE_MONOTONIC 0 |
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275 | # endif |
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276 | # ifndef EV_USE_REALTIME |
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277 | # define EV_USE_REALTIME 0 |
258 | # endif |
278 | # endif |
259 | #endif |
279 | #endif |
260 | |
280 | |
261 | #ifndef EV_USE_MONOTONIC |
281 | #ifndef EV_USE_MONOTONIC |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
282 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
… | |
… | |
304 | |
324 | |
305 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
306 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
307 | #endif |
327 | #endif |
308 | |
328 | |
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329 | #ifndef EV_USE_LINUXAIO |
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330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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331 | # define EV_USE_LINUXAIO 1 |
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332 | # else |
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333 | # define EV_USE_LINUXAIO 0 |
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334 | # endif |
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335 | #endif |
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336 | |
309 | #ifndef EV_USE_INOTIFY |
337 | #ifndef EV_USE_INOTIFY |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
338 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
311 | # define EV_USE_INOTIFY EV_FEATURE_OS |
339 | # define EV_USE_INOTIFY EV_FEATURE_OS |
312 | # else |
340 | # else |
313 | # define EV_USE_INOTIFY 0 |
341 | # define EV_USE_INOTIFY 0 |
… | |
… | |
354 | |
382 | |
355 | #ifndef EV_HEAP_CACHE_AT |
383 | #ifndef EV_HEAP_CACHE_AT |
356 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
384 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
357 | #endif |
385 | #endif |
358 | |
386 | |
359 | #ifdef ANDROID |
387 | #ifdef __ANDROID__ |
360 | /* supposedly, android doesn't typedef fd_mask */ |
388 | /* supposedly, android doesn't typedef fd_mask */ |
361 | # undef EV_USE_SELECT |
389 | # undef EV_USE_SELECT |
362 | # define EV_USE_SELECT 0 |
390 | # define EV_USE_SELECT 0 |
363 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
391 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
364 | # undef EV_USE_CLOCK_SYSCALL |
392 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
405 | |
433 | |
406 | #if !EV_USE_NANOSLEEP |
434 | #if !EV_USE_NANOSLEEP |
407 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
408 | # if !defined _WIN32 && !defined __hpux |
436 | # if !defined _WIN32 && !defined __hpux |
409 | # include <sys/select.h> |
437 | # include <sys/select.h> |
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438 | # endif |
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439 | #endif |
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440 | |
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441 | #if EV_USE_LINUXAIO |
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442 | # include <sys/syscall.h> |
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443 | # if !SYS_io_getevents || !EV_USE_EPOLL |
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444 | # undef EV_USE_LINUXAIO |
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445 | # define EV_USE_LINUXAIO 0 |
410 | # endif |
446 | # endif |
411 | #endif |
447 | #endif |
412 | |
448 | |
413 | #if EV_USE_INOTIFY |
449 | #if EV_USE_INOTIFY |
414 | # include <sys/statfs.h> |
450 | # include <sys/statfs.h> |
… | |
… | |
482 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
518 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
483 | /* ECB.H BEGIN */ |
519 | /* ECB.H BEGIN */ |
484 | /* |
520 | /* |
485 | * libecb - http://software.schmorp.de/pkg/libecb |
521 | * libecb - http://software.schmorp.de/pkg/libecb |
486 | * |
522 | * |
487 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
523 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
488 | * Copyright (©) 2011 Emanuele Giaquinta |
524 | * Copyright (©) 2011 Emanuele Giaquinta |
489 | * All rights reserved. |
525 | * All rights reserved. |
490 | * |
526 | * |
491 | * Redistribution and use in source and binary forms, with or without modifica- |
527 | * Redistribution and use in source and binary forms, with or without modifica- |
492 | * tion, are permitted provided that the following conditions are met: |
528 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
506 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
542 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
507 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
543 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
508 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
544 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
509 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
545 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
510 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
546 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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547 | * |
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548 | * Alternatively, the contents of this file may be used under the terms of |
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549 | * the GNU General Public License ("GPL") version 2 or any later version, |
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550 | * in which case the provisions of the GPL are applicable instead of |
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551 | * the above. If you wish to allow the use of your version of this file |
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552 | * only under the terms of the GPL and not to allow others to use your |
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553 | * version of this file under the BSD license, indicate your decision |
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554 | * by deleting the provisions above and replace them with the notice |
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555 | * and other provisions required by the GPL. If you do not delete the |
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556 | * provisions above, a recipient may use your version of this file under |
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557 | * either the BSD or the GPL. |
511 | */ |
558 | */ |
512 | |
559 | |
513 | #ifndef ECB_H |
560 | #ifndef ECB_H |
514 | #define ECB_H |
561 | #define ECB_H |
515 | |
562 | |
516 | /* 16 bits major, 16 bits minor */ |
563 | /* 16 bits major, 16 bits minor */ |
517 | #define ECB_VERSION 0x00010003 |
564 | #define ECB_VERSION 0x00010005 |
518 | |
565 | |
519 | #ifdef _WIN32 |
566 | #ifdef _WIN32 |
520 | typedef signed char int8_t; |
567 | typedef signed char int8_t; |
521 | typedef unsigned char uint8_t; |
568 | typedef unsigned char uint8_t; |
522 | typedef signed short int16_t; |
569 | typedef signed short int16_t; |
… | |
… | |
539 | typedef uint32_t uintptr_t; |
586 | typedef uint32_t uintptr_t; |
540 | typedef int32_t intptr_t; |
587 | typedef int32_t intptr_t; |
541 | #endif |
588 | #endif |
542 | #else |
589 | #else |
543 | #include <inttypes.h> |
590 | #include <inttypes.h> |
544 | #if UINTMAX_MAX > 0xffffffffU |
591 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
545 | #define ECB_PTRSIZE 8 |
592 | #define ECB_PTRSIZE 8 |
546 | #else |
593 | #else |
547 | #define ECB_PTRSIZE 4 |
594 | #define ECB_PTRSIZE 4 |
548 | #endif |
595 | #endif |
549 | #endif |
596 | #endif |
550 | |
597 | |
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598 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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599 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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600 | |
551 | /* work around x32 idiocy by defining proper macros */ |
601 | /* work around x32 idiocy by defining proper macros */ |
552 | #if __x86_64 || _M_AMD64 |
602 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
553 | #if _ILP32 |
603 | #if _ILP32 |
554 | #define ECB_AMD64_X32 1 |
604 | #define ECB_AMD64_X32 1 |
555 | #else |
605 | #else |
556 | #define ECB_AMD64 1 |
606 | #define ECB_AMD64 1 |
557 | #endif |
607 | #endif |
… | |
… | |
562 | * causing enormous grief in return for some better fake benchmark numbers. |
612 | * causing enormous grief in return for some better fake benchmark numbers. |
563 | * or so. |
613 | * or so. |
564 | * we try to detect these and simply assume they are not gcc - if they have |
614 | * we try to detect these and simply assume they are not gcc - if they have |
565 | * an issue with that they should have done it right in the first place. |
615 | * an issue with that they should have done it right in the first place. |
566 | */ |
616 | */ |
567 | #ifndef ECB_GCC_VERSION |
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568 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
617 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
569 | #define ECB_GCC_VERSION(major,minor) 0 |
618 | #define ECB_GCC_VERSION(major,minor) 0 |
570 | #else |
619 | #else |
571 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
620 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
572 | #endif |
621 | #endif |
573 | #endif |
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574 | |
622 | |
575 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
623 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
576 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
624 | |
577 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
625 | #if __clang__ && defined __has_builtin |
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626 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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627 | #else |
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628 | #define ECB_CLANG_BUILTIN(x) 0 |
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629 | #endif |
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630 | |
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631 | #if __clang__ && defined __has_extension |
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632 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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633 | #else |
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634 | #define ECB_CLANG_EXTENSION(x) 0 |
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635 | #endif |
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636 | |
578 | #define ECB_CPP (__cplusplus+0) |
637 | #define ECB_CPP (__cplusplus+0) |
579 | #define ECB_CPP11 (__cplusplus >= 201103L) |
638 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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639 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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640 | #define ECB_CPP17 (__cplusplus >= 201703L) |
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641 | |
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642 | #if ECB_CPP |
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643 | #define ECB_C 0 |
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644 | #define ECB_STDC_VERSION 0 |
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645 | #else |
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646 | #define ECB_C 1 |
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647 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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648 | #endif |
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649 | |
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650 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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651 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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652 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
580 | |
653 | |
581 | #if ECB_CPP |
654 | #if ECB_CPP |
582 | #define ECB_EXTERN_C extern "C" |
655 | #define ECB_EXTERN_C extern "C" |
583 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
656 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
584 | #define ECB_EXTERN_C_END } |
657 | #define ECB_EXTERN_C_END } |
… | |
… | |
597 | #define ECB_NO_SMP 1 |
670 | #define ECB_NO_SMP 1 |
598 | #endif |
671 | #endif |
599 | |
672 | |
600 | #if ECB_NO_SMP |
673 | #if ECB_NO_SMP |
601 | #define ECB_MEMORY_FENCE do { } while (0) |
674 | #define ECB_MEMORY_FENCE do { } while (0) |
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675 | #endif |
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676 | |
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677 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
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678 | #if __xlC__ && ECB_CPP |
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679 | #include <builtins.h> |
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680 | #endif |
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681 | |
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682 | #if 1400 <= _MSC_VER |
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683 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
602 | #endif |
684 | #endif |
603 | |
685 | |
604 | #ifndef ECB_MEMORY_FENCE |
686 | #ifndef ECB_MEMORY_FENCE |
605 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
606 | #if __i386 || __i386__ |
688 | #if __i386 || __i386__ |
607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
608 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
690 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
609 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
691 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
610 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
692 | #elif ECB_GCC_AMD64 |
611 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
693 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
612 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
694 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
613 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
695 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
614 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
696 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
697 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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698 | #elif defined __ARM_ARCH_2__ \ |
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699 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
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700 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
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701 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
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702 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
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703 | || defined __ARM_ARCH_5TEJ__ |
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704 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
616 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
705 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
617 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
706 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
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707 | || defined __ARM_ARCH_6T2__ |
618 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
708 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
619 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
709 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
620 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
710 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
711 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
622 | #elif __sparc || __sparc__ |
712 | #elif __aarch64__ |
|
|
713 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
714 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
715 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
624 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
716 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
625 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
717 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
626 | #elif defined __s390__ || defined __s390x__ |
718 | #elif defined __s390__ || defined __s390x__ |
627 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
719 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
648 | |
740 | |
649 | #ifndef ECB_MEMORY_FENCE |
741 | #ifndef ECB_MEMORY_FENCE |
650 | #if ECB_GCC_VERSION(4,7) |
742 | #if ECB_GCC_VERSION(4,7) |
651 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
743 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
652 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
744 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
745 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
746 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
653 | |
747 | |
654 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
748 | #elif ECB_CLANG_EXTENSION(c_atomic) |
655 | * without risking compile time errors with other compilers. We *could* |
|
|
656 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
657 | * around this shit time and again. |
|
|
658 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
659 | * // see comment below (stdatomic.h) about the C11 memory model. |
749 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
660 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
750 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
661 | */ |
751 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
752 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
662 | |
753 | |
663 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
754 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
664 | #define ECB_MEMORY_FENCE __sync_synchronize () |
755 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
756 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
757 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
758 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
759 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
760 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
761 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
665 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
762 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
666 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
763 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
667 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
764 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
668 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
765 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
669 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
766 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
… | |
… | |
689 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
786 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
690 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
787 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
691 | /* for most usages, or gcc and clang have a bug */ |
788 | /* for most usages, or gcc and clang have a bug */ |
692 | /* I *currently* lean towards the latter, and inefficiently implement */ |
789 | /* I *currently* lean towards the latter, and inefficiently implement */ |
693 | /* all three of ecb's fences as a seq_cst fence */ |
790 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
791 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
792 | /* for all __atomic_thread_fence's except seq_cst */ |
694 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
793 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
695 | #endif |
794 | #endif |
696 | #endif |
795 | #endif |
697 | |
796 | |
698 | #ifndef ECB_MEMORY_FENCE |
797 | #ifndef ECB_MEMORY_FENCE |
… | |
… | |
721 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
820 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
722 | #endif |
821 | #endif |
723 | |
822 | |
724 | /*****************************************************************************/ |
823 | /*****************************************************************************/ |
725 | |
824 | |
726 | #if __cplusplus |
825 | #if ECB_CPP |
727 | #define ecb_inline static inline |
826 | #define ecb_inline static inline |
728 | #elif ECB_GCC_VERSION(2,5) |
827 | #elif ECB_GCC_VERSION(2,5) |
729 | #define ecb_inline static __inline__ |
828 | #define ecb_inline static __inline__ |
730 | #elif ECB_C99 |
829 | #elif ECB_C99 |
731 | #define ecb_inline static inline |
830 | #define ecb_inline static inline |
… | |
… | |
745 | |
844 | |
746 | #define ECB_CONCAT_(a, b) a ## b |
845 | #define ECB_CONCAT_(a, b) a ## b |
747 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
846 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
748 | #define ECB_STRINGIFY_(a) # a |
847 | #define ECB_STRINGIFY_(a) # a |
749 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
848 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
849 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
750 | |
850 | |
751 | #define ecb_function_ ecb_inline |
851 | #define ecb_function_ ecb_inline |
752 | |
852 | |
753 | #if ECB_GCC_VERSION(3,1) |
853 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
754 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
854 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
855 | #else |
|
|
856 | #define ecb_attribute(attrlist) |
|
|
857 | #endif |
|
|
858 | |
|
|
859 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
755 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
860 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
861 | #else |
|
|
862 | /* possible C11 impl for integral types |
|
|
863 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
864 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
865 | |
|
|
866 | #define ecb_is_constant(expr) 0 |
|
|
867 | #endif |
|
|
868 | |
|
|
869 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
756 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
870 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
871 | #else |
|
|
872 | #define ecb_expect(expr,value) (expr) |
|
|
873 | #endif |
|
|
874 | |
|
|
875 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
757 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
876 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
758 | #else |
877 | #else |
759 | #define ecb_attribute(attrlist) |
|
|
760 | #define ecb_is_constant(expr) 0 |
|
|
761 | #define ecb_expect(expr,value) (expr) |
|
|
762 | #define ecb_prefetch(addr,rw,locality) |
878 | #define ecb_prefetch(addr,rw,locality) |
763 | #endif |
879 | #endif |
764 | |
880 | |
765 | /* no emulation for ecb_decltype */ |
881 | /* no emulation for ecb_decltype */ |
766 | #if ECB_GCC_VERSION(4,5) |
882 | #if ECB_CPP11 |
|
|
883 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
884 | template<class T> struct ecb_decltype_t { typedef T type; }; |
767 | #define ecb_decltype(x) __decltype(x) |
885 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
768 | #elif ECB_GCC_VERSION(3,0) |
886 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
769 | #define ecb_decltype(x) __typeof(x) |
887 | #define ecb_decltype(x) __typeof__ (x) |
770 | #endif |
888 | #endif |
771 | |
889 | |
|
|
890 | #if _MSC_VER >= 1300 |
|
|
891 | #define ecb_deprecated __declspec (deprecated) |
|
|
892 | #else |
|
|
893 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
894 | #endif |
|
|
895 | |
|
|
896 | #if _MSC_VER >= 1500 |
|
|
897 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
898 | #elif ECB_GCC_VERSION(4,5) |
|
|
899 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
900 | #else |
|
|
901 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
902 | #endif |
|
|
903 | |
|
|
904 | #if _MSC_VER >= 1400 |
|
|
905 | #define ecb_noinline __declspec (noinline) |
|
|
906 | #else |
772 | #define ecb_noinline ecb_attribute ((__noinline__)) |
907 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
908 | #endif |
|
|
909 | |
773 | #define ecb_unused ecb_attribute ((__unused__)) |
910 | #define ecb_unused ecb_attribute ((__unused__)) |
774 | #define ecb_const ecb_attribute ((__const__)) |
911 | #define ecb_const ecb_attribute ((__const__)) |
775 | #define ecb_pure ecb_attribute ((__pure__)) |
912 | #define ecb_pure ecb_attribute ((__pure__)) |
776 | |
913 | |
777 | #if ECB_C11 |
914 | #if ECB_C11 || __IBMC_NORETURN |
|
|
915 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
778 | #define ecb_noreturn _Noreturn |
916 | #define ecb_noreturn _Noreturn |
|
|
917 | #elif ECB_CPP11 |
|
|
918 | #define ecb_noreturn [[noreturn]] |
|
|
919 | #elif _MSC_VER >= 1200 |
|
|
920 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
921 | #define ecb_noreturn __declspec (noreturn) |
779 | #else |
922 | #else |
780 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
923 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
781 | #endif |
924 | #endif |
782 | |
925 | |
783 | #if ECB_GCC_VERSION(4,3) |
926 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
798 | /* for compatibility to the rest of the world */ |
941 | /* for compatibility to the rest of the world */ |
799 | #define ecb_likely(expr) ecb_expect_true (expr) |
942 | #define ecb_likely(expr) ecb_expect_true (expr) |
800 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
943 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
801 | |
944 | |
802 | /* count trailing zero bits and count # of one bits */ |
945 | /* count trailing zero bits and count # of one bits */ |
803 | #if ECB_GCC_VERSION(3,4) |
946 | #if ECB_GCC_VERSION(3,4) \ |
|
|
947 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
948 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
949 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
804 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
950 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
805 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
951 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
806 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
952 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
807 | #define ecb_ctz32(x) __builtin_ctz (x) |
953 | #define ecb_ctz32(x) __builtin_ctz (x) |
808 | #define ecb_ctz64(x) __builtin_ctzll (x) |
954 | #define ecb_ctz64(x) __builtin_ctzll (x) |
809 | #define ecb_popcount32(x) __builtin_popcount (x) |
955 | #define ecb_popcount32(x) __builtin_popcount (x) |
810 | /* no popcountll */ |
956 | /* no popcountll */ |
811 | #else |
957 | #else |
812 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
958 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
813 | ecb_function_ int |
959 | ecb_function_ ecb_const int |
814 | ecb_ctz32 (uint32_t x) |
960 | ecb_ctz32 (uint32_t x) |
815 | { |
961 | { |
|
|
962 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
963 | unsigned long r; |
|
|
964 | _BitScanForward (&r, x); |
|
|
965 | return (int)r; |
|
|
966 | #else |
816 | int r = 0; |
967 | int r = 0; |
817 | |
968 | |
818 | x &= ~x + 1; /* this isolates the lowest bit */ |
969 | x &= ~x + 1; /* this isolates the lowest bit */ |
819 | |
970 | |
820 | #if ECB_branchless_on_i386 |
971 | #if ECB_branchless_on_i386 |
… | |
… | |
830 | if (x & 0xff00ff00) r += 8; |
981 | if (x & 0xff00ff00) r += 8; |
831 | if (x & 0xffff0000) r += 16; |
982 | if (x & 0xffff0000) r += 16; |
832 | #endif |
983 | #endif |
833 | |
984 | |
834 | return r; |
985 | return r; |
|
|
986 | #endif |
835 | } |
987 | } |
836 | |
988 | |
837 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
989 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
838 | ecb_function_ int |
990 | ecb_function_ ecb_const int |
839 | ecb_ctz64 (uint64_t x) |
991 | ecb_ctz64 (uint64_t x) |
840 | { |
992 | { |
|
|
993 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
994 | unsigned long r; |
|
|
995 | _BitScanForward64 (&r, x); |
|
|
996 | return (int)r; |
|
|
997 | #else |
841 | int shift = x & 0xffffffffU ? 0 : 32; |
998 | int shift = x & 0xffffffff ? 0 : 32; |
842 | return ecb_ctz32 (x >> shift) + shift; |
999 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1000 | #endif |
843 | } |
1001 | } |
844 | |
1002 | |
845 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
1003 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
846 | ecb_function_ int |
1004 | ecb_function_ ecb_const int |
847 | ecb_popcount32 (uint32_t x) |
1005 | ecb_popcount32 (uint32_t x) |
848 | { |
1006 | { |
849 | x -= (x >> 1) & 0x55555555; |
1007 | x -= (x >> 1) & 0x55555555; |
850 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
1008 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
851 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
1009 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
852 | x *= 0x01010101; |
1010 | x *= 0x01010101; |
853 | |
1011 | |
854 | return x >> 24; |
1012 | return x >> 24; |
855 | } |
1013 | } |
856 | |
1014 | |
857 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
1015 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
858 | ecb_function_ int ecb_ld32 (uint32_t x) |
1016 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
859 | { |
1017 | { |
|
|
1018 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1019 | unsigned long r; |
|
|
1020 | _BitScanReverse (&r, x); |
|
|
1021 | return (int)r; |
|
|
1022 | #else |
860 | int r = 0; |
1023 | int r = 0; |
861 | |
1024 | |
862 | if (x >> 16) { x >>= 16; r += 16; } |
1025 | if (x >> 16) { x >>= 16; r += 16; } |
863 | if (x >> 8) { x >>= 8; r += 8; } |
1026 | if (x >> 8) { x >>= 8; r += 8; } |
864 | if (x >> 4) { x >>= 4; r += 4; } |
1027 | if (x >> 4) { x >>= 4; r += 4; } |
865 | if (x >> 2) { x >>= 2; r += 2; } |
1028 | if (x >> 2) { x >>= 2; r += 2; } |
866 | if (x >> 1) { r += 1; } |
1029 | if (x >> 1) { r += 1; } |
867 | |
1030 | |
868 | return r; |
1031 | return r; |
|
|
1032 | #endif |
869 | } |
1033 | } |
870 | |
1034 | |
871 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1035 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
872 | ecb_function_ int ecb_ld64 (uint64_t x) |
1036 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
873 | { |
1037 | { |
|
|
1038 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1039 | unsigned long r; |
|
|
1040 | _BitScanReverse64 (&r, x); |
|
|
1041 | return (int)r; |
|
|
1042 | #else |
874 | int r = 0; |
1043 | int r = 0; |
875 | |
1044 | |
876 | if (x >> 32) { x >>= 32; r += 32; } |
1045 | if (x >> 32) { x >>= 32; r += 32; } |
877 | |
1046 | |
878 | return r + ecb_ld32 (x); |
1047 | return r + ecb_ld32 (x); |
|
|
1048 | #endif |
879 | } |
1049 | } |
880 | #endif |
1050 | #endif |
881 | |
1051 | |
882 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1052 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
883 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1053 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
884 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1054 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
885 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1055 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
886 | |
1056 | |
887 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1057 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
888 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1058 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
889 | { |
1059 | { |
890 | return ( (x * 0x0802U & 0x22110U) |
1060 | return ( (x * 0x0802U & 0x22110U) |
891 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1061 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
892 | } |
1062 | } |
893 | |
1063 | |
894 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1064 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
895 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1065 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
896 | { |
1066 | { |
897 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1067 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
898 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1068 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
899 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1069 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
900 | x = ( x >> 8 ) | ( x << 8); |
1070 | x = ( x >> 8 ) | ( x << 8); |
901 | |
1071 | |
902 | return x; |
1072 | return x; |
903 | } |
1073 | } |
904 | |
1074 | |
905 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1075 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
906 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1076 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
907 | { |
1077 | { |
908 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1078 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
909 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1079 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
910 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1080 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
911 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1081 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
914 | return x; |
1084 | return x; |
915 | } |
1085 | } |
916 | |
1086 | |
917 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1087 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
918 | /* so for this version we are lazy */ |
1088 | /* so for this version we are lazy */ |
919 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1089 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
920 | ecb_function_ int |
1090 | ecb_function_ ecb_const int |
921 | ecb_popcount64 (uint64_t x) |
1091 | ecb_popcount64 (uint64_t x) |
922 | { |
1092 | { |
923 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1093 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
924 | } |
1094 | } |
925 | |
1095 | |
926 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1096 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
927 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1097 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
928 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1098 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
929 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1099 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
930 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1100 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
931 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1101 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
932 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1102 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
933 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1103 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
934 | |
1104 | |
935 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1105 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
936 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1106 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
937 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1107 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
938 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1108 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
939 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1109 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
940 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1110 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
941 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1111 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
942 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1112 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
943 | |
1113 | |
944 | #if ECB_GCC_VERSION(4,3) |
1114 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1115 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1116 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1117 | #else |
945 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1118 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1119 | #endif |
946 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1120 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
947 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1121 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1122 | #elif _MSC_VER |
|
|
1123 | #include <stdlib.h> |
|
|
1124 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1125 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1126 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
948 | #else |
1127 | #else |
949 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1128 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
950 | ecb_function_ uint16_t |
1129 | ecb_function_ ecb_const uint16_t |
951 | ecb_bswap16 (uint16_t x) |
1130 | ecb_bswap16 (uint16_t x) |
952 | { |
1131 | { |
953 | return ecb_rotl16 (x, 8); |
1132 | return ecb_rotl16 (x, 8); |
954 | } |
1133 | } |
955 | |
1134 | |
956 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1135 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
957 | ecb_function_ uint32_t |
1136 | ecb_function_ ecb_const uint32_t |
958 | ecb_bswap32 (uint32_t x) |
1137 | ecb_bswap32 (uint32_t x) |
959 | { |
1138 | { |
960 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1139 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
961 | } |
1140 | } |
962 | |
1141 | |
963 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1142 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
964 | ecb_function_ uint64_t |
1143 | ecb_function_ ecb_const uint64_t |
965 | ecb_bswap64 (uint64_t x) |
1144 | ecb_bswap64 (uint64_t x) |
966 | { |
1145 | { |
967 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1146 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
968 | } |
1147 | } |
969 | #endif |
1148 | #endif |
970 | |
1149 | |
971 | #if ECB_GCC_VERSION(4,5) |
1150 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
972 | #define ecb_unreachable() __builtin_unreachable () |
1151 | #define ecb_unreachable() __builtin_unreachable () |
973 | #else |
1152 | #else |
974 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1153 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
975 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1154 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
976 | ecb_inline void ecb_unreachable (void) { } |
1155 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
977 | #endif |
1156 | #endif |
978 | |
1157 | |
979 | /* try to tell the compiler that some condition is definitely true */ |
1158 | /* try to tell the compiler that some condition is definitely true */ |
980 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1159 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
981 | |
1160 | |
982 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1161 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
983 | ecb_inline unsigned char |
1162 | ecb_inline ecb_const uint32_t |
984 | ecb_byteorder_helper (void) |
1163 | ecb_byteorder_helper (void) |
985 | { |
1164 | { |
986 | /* the union code still generates code under pressure in gcc, */ |
1165 | /* the union code still generates code under pressure in gcc, */ |
987 | /* but less than using pointers, and always seems to */ |
1166 | /* but less than using pointers, and always seems to */ |
988 | /* successfully return a constant. */ |
1167 | /* successfully return a constant. */ |
989 | /* the reason why we have this horrible preprocessor mess */ |
1168 | /* the reason why we have this horrible preprocessor mess */ |
990 | /* is to avoid it in all cases, at least on common architectures */ |
1169 | /* is to avoid it in all cases, at least on common architectures */ |
991 | /* or when using a recent enough gcc version (>= 4.6) */ |
1170 | /* or when using a recent enough gcc version (>= 4.6) */ |
992 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
993 | return 0x44; |
|
|
994 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1171 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1172 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1173 | #define ECB_LITTLE_ENDIAN 1 |
995 | return 0x44; |
1174 | return 0x44332211; |
996 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1175 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1176 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1177 | #define ECB_BIG_ENDIAN 1 |
997 | return 0x11; |
1178 | return 0x11223344; |
998 | #else |
1179 | #else |
999 | union |
1180 | union |
1000 | { |
1181 | { |
|
|
1182 | uint8_t c[4]; |
1001 | uint32_t i; |
1183 | uint32_t u; |
1002 | uint8_t c; |
|
|
1003 | } u = { 0x11223344 }; |
1184 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1004 | return u.c; |
1185 | return u.u; |
1005 | #endif |
1186 | #endif |
1006 | } |
1187 | } |
1007 | |
1188 | |
1008 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1189 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1009 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1190 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1010 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1191 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1011 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1192 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1012 | |
1193 | |
1013 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1194 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1014 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1195 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1015 | #else |
1196 | #else |
1016 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1197 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1017 | #endif |
1198 | #endif |
1018 | |
1199 | |
1019 | #if __cplusplus |
1200 | #if ECB_CPP |
1020 | template<typename T> |
1201 | template<typename T> |
1021 | static inline T ecb_div_rd (T val, T div) |
1202 | static inline T ecb_div_rd (T val, T div) |
1022 | { |
1203 | { |
1023 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1204 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1024 | } |
1205 | } |
… | |
… | |
1041 | } |
1222 | } |
1042 | #else |
1223 | #else |
1043 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1224 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1044 | #endif |
1225 | #endif |
1045 | |
1226 | |
|
|
1227 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1228 | ecb_function_ ecb_const uint32_t |
|
|
1229 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1230 | { |
|
|
1231 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1232 | int e = (x >> 10) & 0x001f; |
|
|
1233 | unsigned int m = x & 0x03ff; |
|
|
1234 | |
|
|
1235 | if (ecb_expect_false (e == 31)) |
|
|
1236 | /* infinity or NaN */ |
|
|
1237 | e = 255 - (127 - 15); |
|
|
1238 | else if (ecb_expect_false (!e)) |
|
|
1239 | { |
|
|
1240 | if (ecb_expect_true (!m)) |
|
|
1241 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1242 | e = 0 - (127 - 15); |
|
|
1243 | else |
|
|
1244 | { |
|
|
1245 | /* subnormal, renormalise */ |
|
|
1246 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1247 | |
|
|
1248 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1249 | e -= s - 1; |
|
|
1250 | } |
|
|
1251 | } |
|
|
1252 | |
|
|
1253 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1254 | e += 127 - 15; |
|
|
1255 | |
|
|
1256 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1257 | } |
|
|
1258 | |
|
|
1259 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1260 | ecb_function_ ecb_const uint16_t |
|
|
1261 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1262 | { |
|
|
1263 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1264 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1265 | unsigned int m = x & 0x007fffff; |
|
|
1266 | |
|
|
1267 | x &= 0x7fffffff; |
|
|
1268 | |
|
|
1269 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1270 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1271 | { |
|
|
1272 | /* mantissa round-to-even */ |
|
|
1273 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1274 | |
|
|
1275 | /* handle overflow */ |
|
|
1276 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1277 | { |
|
|
1278 | m >>= 1; |
|
|
1279 | e += 1; |
|
|
1280 | } |
|
|
1281 | |
|
|
1282 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1283 | } |
|
|
1284 | |
|
|
1285 | /* handle large numbers and infinity */ |
|
|
1286 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1287 | return s | 0x7c00; |
|
|
1288 | |
|
|
1289 | /* handle zero, subnormals and small numbers */ |
|
|
1290 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1291 | { |
|
|
1292 | /* zero */ |
|
|
1293 | if (ecb_expect_true (!x)) |
|
|
1294 | return s; |
|
|
1295 | |
|
|
1296 | /* handle subnormals */ |
|
|
1297 | |
|
|
1298 | /* too small, will be zero */ |
|
|
1299 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1300 | return s; |
|
|
1301 | |
|
|
1302 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1303 | |
|
|
1304 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1305 | { |
|
|
1306 | unsigned int bits = 14 - e; |
|
|
1307 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1308 | unsigned int even = (m >> bits) & 1; |
|
|
1309 | |
|
|
1310 | /* if this overflows, we will end up with a normalised number */ |
|
|
1311 | m = (m + half + even) >> bits; |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | return s | m; |
|
|
1315 | } |
|
|
1316 | |
|
|
1317 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1318 | m >>= 13; |
|
|
1319 | |
|
|
1320 | return s | 0x7c00 | m | !m; |
|
|
1321 | } |
|
|
1322 | |
1046 | /*******************************************************************************/ |
1323 | /*******************************************************************************/ |
1047 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1324 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1048 | |
1325 | |
1049 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1326 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1050 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1327 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1051 | #if 0 \ |
1328 | #if 0 \ |
1052 | || __i386 || __i386__ \ |
1329 | || __i386 || __i386__ \ |
1053 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1330 | || ECB_GCC_AMD64 \ |
1054 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1331 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1055 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1056 | || defined __s390__ || defined __s390x__ \ |
1332 | || defined __s390__ || defined __s390x__ \ |
1057 | || defined __mips__ \ |
1333 | || defined __mips__ \ |
1058 | || defined __alpha__ \ |
1334 | || defined __alpha__ \ |
1059 | || defined __hppa__ \ |
1335 | || defined __hppa__ \ |
1060 | || defined __ia64__ \ |
1336 | || defined __ia64__ \ |
1061 | || defined __m68k__ \ |
1337 | || defined __m68k__ \ |
1062 | || defined __m88k__ \ |
1338 | || defined __m88k__ \ |
1063 | || defined __sh__ \ |
1339 | || defined __sh__ \ |
1064 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1340 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1341 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1342 | || defined __aarch64__ |
1065 | #define ECB_STDFP 1 |
1343 | #define ECB_STDFP 1 |
1066 | #include <string.h> /* for memcpy */ |
1344 | #include <string.h> /* for memcpy */ |
1067 | #else |
1345 | #else |
1068 | #define ECB_STDFP 0 |
1346 | #define ECB_STDFP 0 |
1069 | #endif |
1347 | #endif |
1070 | |
1348 | |
1071 | #ifndef ECB_NO_LIBM |
1349 | #ifndef ECB_NO_LIBM |
1072 | |
1350 | |
1073 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
1351 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
1074 | |
1352 | |
|
|
1353 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1354 | #ifdef INFINITY |
|
|
1355 | #define ECB_INFINITY INFINITY |
|
|
1356 | #else |
|
|
1357 | #define ECB_INFINITY HUGE_VAL |
|
|
1358 | #endif |
|
|
1359 | |
1075 | #ifdef NEN |
1360 | #ifdef NAN |
1076 | #define ECB_NAN NAN |
1361 | #define ECB_NAN NAN |
1077 | #else |
1362 | #else |
1078 | #define ECB_NAN INFINITY |
1363 | #define ECB_NAN ECB_INFINITY |
1079 | #endif |
1364 | #endif |
1080 | |
1365 | |
1081 | /* converts an ieee half/binary16 to a float */ |
1366 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1082 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1367 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1083 | ecb_function_ float |
1368 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1084 | ecb_binary16_to_float (uint16_t x) |
1369 | #else |
1085 | { |
1370 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1086 | int e = (x >> 10) & 0x1f; |
1371 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1087 | int m = x & 0x3ff; |
1372 | #endif |
1088 | float r; |
|
|
1089 | |
|
|
1090 | if (!e ) r = ldexpf (m , -24); |
|
|
1091 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1092 | else if (m ) r = ECB_NAN; |
|
|
1093 | else r = INFINITY; |
|
|
1094 | |
|
|
1095 | return x & 0x8000 ? -r : r; |
|
|
1096 | } |
|
|
1097 | |
1373 | |
1098 | /* convert a float to ieee single/binary32 */ |
1374 | /* convert a float to ieee single/binary32 */ |
1099 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1375 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1100 | ecb_function_ uint32_t |
1376 | ecb_function_ ecb_const uint32_t |
1101 | ecb_float_to_binary32 (float x) |
1377 | ecb_float_to_binary32 (float x) |
1102 | { |
1378 | { |
1103 | uint32_t r; |
1379 | uint32_t r; |
1104 | |
1380 | |
1105 | #if ECB_STDFP |
1381 | #if ECB_STDFP |
… | |
… | |
1112 | if (x == 0e0f ) return 0x00000000U; |
1388 | if (x == 0e0f ) return 0x00000000U; |
1113 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1389 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1114 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1390 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1115 | if (x != x ) return 0x7fbfffffU; |
1391 | if (x != x ) return 0x7fbfffffU; |
1116 | |
1392 | |
1117 | m = frexpf (x, &e) * 0x1000000U; |
1393 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1118 | |
1394 | |
1119 | r = m & 0x80000000U; |
1395 | r = m & 0x80000000U; |
1120 | |
1396 | |
1121 | if (r) |
1397 | if (r) |
1122 | m = -m; |
1398 | m = -m; |
… | |
… | |
1134 | |
1410 | |
1135 | return r; |
1411 | return r; |
1136 | } |
1412 | } |
1137 | |
1413 | |
1138 | /* converts an ieee single/binary32 to a float */ |
1414 | /* converts an ieee single/binary32 to a float */ |
1139 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1415 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1140 | ecb_function_ float |
1416 | ecb_function_ ecb_const float |
1141 | ecb_binary32_to_float (uint32_t x) |
1417 | ecb_binary32_to_float (uint32_t x) |
1142 | { |
1418 | { |
1143 | float r; |
1419 | float r; |
1144 | |
1420 | |
1145 | #if ECB_STDFP |
1421 | #if ECB_STDFP |
… | |
… | |
1155 | x |= 0x800000U; |
1431 | x |= 0x800000U; |
1156 | else |
1432 | else |
1157 | e = 1; |
1433 | e = 1; |
1158 | |
1434 | |
1159 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1435 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1160 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1436 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1161 | |
1437 | |
1162 | r = neg ? -r : r; |
1438 | r = neg ? -r : r; |
1163 | #endif |
1439 | #endif |
1164 | |
1440 | |
1165 | return r; |
1441 | return r; |
1166 | } |
1442 | } |
1167 | |
1443 | |
1168 | /* convert a double to ieee double/binary64 */ |
1444 | /* convert a double to ieee double/binary64 */ |
1169 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1445 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1170 | ecb_function_ uint64_t |
1446 | ecb_function_ ecb_const uint64_t |
1171 | ecb_double_to_binary64 (double x) |
1447 | ecb_double_to_binary64 (double x) |
1172 | { |
1448 | { |
1173 | uint64_t r; |
1449 | uint64_t r; |
1174 | |
1450 | |
1175 | #if ECB_STDFP |
1451 | #if ECB_STDFP |
… | |
… | |
1204 | |
1480 | |
1205 | return r; |
1481 | return r; |
1206 | } |
1482 | } |
1207 | |
1483 | |
1208 | /* converts an ieee double/binary64 to a double */ |
1484 | /* converts an ieee double/binary64 to a double */ |
1209 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1485 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1210 | ecb_function_ double |
1486 | ecb_function_ ecb_const double |
1211 | ecb_binary64_to_double (uint64_t x) |
1487 | ecb_binary64_to_double (uint64_t x) |
1212 | { |
1488 | { |
1213 | double r; |
1489 | double r; |
1214 | |
1490 | |
1215 | #if ECB_STDFP |
1491 | #if ECB_STDFP |
… | |
… | |
1231 | |
1507 | |
1232 | r = neg ? -r : r; |
1508 | r = neg ? -r : r; |
1233 | #endif |
1509 | #endif |
1234 | |
1510 | |
1235 | return r; |
1511 | return r; |
|
|
1512 | } |
|
|
1513 | |
|
|
1514 | /* convert a float to ieee half/binary16 */ |
|
|
1515 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1516 | ecb_function_ ecb_const uint16_t |
|
|
1517 | ecb_float_to_binary16 (float x) |
|
|
1518 | { |
|
|
1519 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1520 | } |
|
|
1521 | |
|
|
1522 | /* convert an ieee half/binary16 to float */ |
|
|
1523 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1524 | ecb_function_ ecb_const float |
|
|
1525 | ecb_binary16_to_float (uint16_t x) |
|
|
1526 | { |
|
|
1527 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1236 | } |
1528 | } |
1237 | |
1529 | |
1238 | #endif |
1530 | #endif |
1239 | |
1531 | |
1240 | #endif |
1532 | #endif |
… | |
… | |
1265 | #define inline_size ecb_inline |
1557 | #define inline_size ecb_inline |
1266 | |
1558 | |
1267 | #if EV_FEATURE_CODE |
1559 | #if EV_FEATURE_CODE |
1268 | # define inline_speed ecb_inline |
1560 | # define inline_speed ecb_inline |
1269 | #else |
1561 | #else |
1270 | # define inline_speed static noinline |
1562 | # define inline_speed noinline static |
1271 | #endif |
1563 | #endif |
1272 | |
1564 | |
1273 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1565 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1274 | |
1566 | |
1275 | #if EV_MINPRI == EV_MAXPRI |
1567 | #if EV_MINPRI == EV_MAXPRI |
1276 | # define ABSPRI(w) (((W)w), 0) |
1568 | # define ABSPRI(w) (((W)w), 0) |
1277 | #else |
1569 | #else |
1278 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1570 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1279 | #endif |
1571 | #endif |
1280 | |
1572 | |
1281 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1573 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1282 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1283 | |
1574 | |
1284 | typedef ev_watcher *W; |
1575 | typedef ev_watcher *W; |
1285 | typedef ev_watcher_list *WL; |
1576 | typedef ev_watcher_list *WL; |
1286 | typedef ev_watcher_time *WT; |
1577 | typedef ev_watcher_time *WT; |
1287 | |
1578 | |
… | |
… | |
1312 | # include "ev_win32.c" |
1603 | # include "ev_win32.c" |
1313 | #endif |
1604 | #endif |
1314 | |
1605 | |
1315 | /*****************************************************************************/ |
1606 | /*****************************************************************************/ |
1316 | |
1607 | |
|
|
1608 | #if EV_USE_LINUXAIO |
|
|
1609 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1610 | #endif |
|
|
1611 | |
1317 | /* define a suitable floor function (only used by periodics atm) */ |
1612 | /* define a suitable floor function (only used by periodics atm) */ |
1318 | |
1613 | |
1319 | #if EV_USE_FLOOR |
1614 | #if EV_USE_FLOOR |
1320 | # include <math.h> |
1615 | # include <math.h> |
1321 | # define ev_floor(v) floor (v) |
1616 | # define ev_floor(v) floor (v) |
1322 | #else |
1617 | #else |
1323 | |
1618 | |
1324 | #include <float.h> |
1619 | #include <float.h> |
1325 | |
1620 | |
1326 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1621 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1622 | noinline |
1327 | static ev_tstamp noinline |
1623 | static ev_tstamp |
1328 | ev_floor (ev_tstamp v) |
1624 | ev_floor (ev_tstamp v) |
1329 | { |
1625 | { |
1330 | /* the choice of shift factor is not terribly important */ |
1626 | /* the choice of shift factor is not terribly important */ |
1331 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1627 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1332 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1364 | |
1660 | |
1365 | #ifdef __linux |
1661 | #ifdef __linux |
1366 | # include <sys/utsname.h> |
1662 | # include <sys/utsname.h> |
1367 | #endif |
1663 | #endif |
1368 | |
1664 | |
1369 | static unsigned int noinline ecb_cold |
1665 | noinline ecb_cold |
|
|
1666 | static unsigned int |
1370 | ev_linux_version (void) |
1667 | ev_linux_version (void) |
1371 | { |
1668 | { |
1372 | #ifdef __linux |
1669 | #ifdef __linux |
1373 | unsigned int v = 0; |
1670 | unsigned int v = 0; |
1374 | struct utsname buf; |
1671 | struct utsname buf; |
… | |
… | |
1403 | } |
1700 | } |
1404 | |
1701 | |
1405 | /*****************************************************************************/ |
1702 | /*****************************************************************************/ |
1406 | |
1703 | |
1407 | #if EV_AVOID_STDIO |
1704 | #if EV_AVOID_STDIO |
1408 | static void noinline ecb_cold |
1705 | noinline ecb_cold |
|
|
1706 | static void |
1409 | ev_printerr (const char *msg) |
1707 | ev_printerr (const char *msg) |
1410 | { |
1708 | { |
1411 | write (STDERR_FILENO, msg, strlen (msg)); |
1709 | write (STDERR_FILENO, msg, strlen (msg)); |
1412 | } |
1710 | } |
1413 | #endif |
1711 | #endif |
1414 | |
1712 | |
1415 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1713 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1416 | |
1714 | |
1417 | void ecb_cold |
1715 | ecb_cold |
|
|
1716 | void |
1418 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1717 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1419 | { |
1718 | { |
1420 | syserr_cb = cb; |
1719 | syserr_cb = cb; |
1421 | } |
1720 | } |
1422 | |
1721 | |
1423 | static void noinline ecb_cold |
1722 | noinline ecb_cold |
|
|
1723 | static void |
1424 | ev_syserr (const char *msg) |
1724 | ev_syserr (const char *msg) |
1425 | { |
1725 | { |
1426 | if (!msg) |
1726 | if (!msg) |
1427 | msg = "(libev) system error"; |
1727 | msg = "(libev) system error"; |
1428 | |
1728 | |
… | |
… | |
1441 | abort (); |
1741 | abort (); |
1442 | } |
1742 | } |
1443 | } |
1743 | } |
1444 | |
1744 | |
1445 | static void * |
1745 | static void * |
1446 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1746 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1447 | { |
1747 | { |
1448 | /* some systems, notably openbsd and darwin, fail to properly |
1748 | /* some systems, notably openbsd and darwin, fail to properly |
1449 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1749 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1450 | * the single unix specification, so work around them here. |
1750 | * the single unix specification, so work around them here. |
1451 | * recently, also (at least) fedora and debian started breaking it, |
1751 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1457 | |
1757 | |
1458 | free (ptr); |
1758 | free (ptr); |
1459 | return 0; |
1759 | return 0; |
1460 | } |
1760 | } |
1461 | |
1761 | |
1462 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1762 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1463 | |
1763 | |
1464 | void ecb_cold |
1764 | ecb_cold |
|
|
1765 | void |
1465 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1766 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1466 | { |
1767 | { |
1467 | alloc = cb; |
1768 | alloc = cb; |
1468 | } |
1769 | } |
1469 | |
1770 | |
1470 | inline_speed void * |
1771 | inline_speed void * |
… | |
… | |
1497 | typedef struct |
1798 | typedef struct |
1498 | { |
1799 | { |
1499 | WL head; |
1800 | WL head; |
1500 | unsigned char events; /* the events watched for */ |
1801 | unsigned char events; /* the events watched for */ |
1501 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1802 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1502 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1803 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1503 | unsigned char unused; |
1804 | unsigned char unused; |
1504 | #if EV_USE_EPOLL |
1805 | #if EV_USE_EPOLL |
1505 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1806 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1506 | #endif |
1807 | #endif |
1507 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1808 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1587 | |
1888 | |
1588 | /*****************************************************************************/ |
1889 | /*****************************************************************************/ |
1589 | |
1890 | |
1590 | #ifndef EV_HAVE_EV_TIME |
1891 | #ifndef EV_HAVE_EV_TIME |
1591 | ev_tstamp |
1892 | ev_tstamp |
1592 | ev_time (void) EV_THROW |
1893 | ev_time (void) EV_NOEXCEPT |
1593 | { |
1894 | { |
1594 | #if EV_USE_REALTIME |
1895 | #if EV_USE_REALTIME |
1595 | if (expect_true (have_realtime)) |
1896 | if (expect_true (have_realtime)) |
1596 | { |
1897 | { |
1597 | struct timespec ts; |
1898 | struct timespec ts; |
… | |
… | |
1621 | return ev_time (); |
1922 | return ev_time (); |
1622 | } |
1923 | } |
1623 | |
1924 | |
1624 | #if EV_MULTIPLICITY |
1925 | #if EV_MULTIPLICITY |
1625 | ev_tstamp |
1926 | ev_tstamp |
1626 | ev_now (EV_P) EV_THROW |
1927 | ev_now (EV_P) EV_NOEXCEPT |
1627 | { |
1928 | { |
1628 | return ev_rt_now; |
1929 | return ev_rt_now; |
1629 | } |
1930 | } |
1630 | #endif |
1931 | #endif |
1631 | |
1932 | |
1632 | void |
1933 | void |
1633 | ev_sleep (ev_tstamp delay) EV_THROW |
1934 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1634 | { |
1935 | { |
1635 | if (delay > 0.) |
1936 | if (delay > 0.) |
1636 | { |
1937 | { |
1637 | #if EV_USE_NANOSLEEP |
1938 | #if EV_USE_NANOSLEEP |
1638 | struct timespec ts; |
1939 | struct timespec ts; |
1639 | |
1940 | |
1640 | EV_TS_SET (ts, delay); |
1941 | EV_TS_SET (ts, delay); |
1641 | nanosleep (&ts, 0); |
1942 | nanosleep (&ts, 0); |
1642 | #elif defined _WIN32 |
1943 | #elif defined _WIN32 |
|
|
1944 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1945 | /* compared to select (µs) or nanosleep (ns) */ |
1643 | Sleep ((unsigned long)(delay * 1e3)); |
1946 | Sleep ((unsigned long)(delay * 1e3)); |
1644 | #else |
1947 | #else |
1645 | struct timeval tv; |
1948 | struct timeval tv; |
1646 | |
1949 | |
1647 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1950 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1678 | } |
1981 | } |
1679 | |
1982 | |
1680 | return ncur; |
1983 | return ncur; |
1681 | } |
1984 | } |
1682 | |
1985 | |
1683 | static void * noinline ecb_cold |
1986 | noinline ecb_cold |
|
|
1987 | static void * |
1684 | array_realloc (int elem, void *base, int *cur, int cnt) |
1988 | array_realloc (int elem, void *base, int *cur, int cnt) |
1685 | { |
1989 | { |
1686 | *cur = array_nextsize (elem, *cur, cnt); |
1990 | *cur = array_nextsize (elem, *cur, cnt); |
1687 | return ev_realloc (base, elem * *cur); |
1991 | return ev_realloc (base, elem * *cur); |
1688 | } |
1992 | } |
1689 | |
1993 | |
|
|
1994 | #define array_needsize_noinit(base,count) |
|
|
1995 | |
1690 | #define array_init_zero(base,count) \ |
1996 | #define array_needsize_zerofill(base,count) \ |
1691 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1997 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1692 | |
1998 | |
1693 | #define array_needsize(type,base,cur,cnt,init) \ |
1999 | #define array_needsize(type,base,cur,cnt,init) \ |
1694 | if (expect_false ((cnt) > (cur))) \ |
2000 | if (expect_false ((cnt) > (cur))) \ |
1695 | { \ |
2001 | { \ |
1696 | int ecb_unused ocur_ = (cur); \ |
2002 | ecb_unused int ocur_ = (cur); \ |
1697 | (base) = (type *)array_realloc \ |
2003 | (base) = (type *)array_realloc \ |
1698 | (sizeof (type), (base), &(cur), (cnt)); \ |
2004 | (sizeof (type), (base), &(cur), (cnt)); \ |
1699 | init ((base) + (ocur_), (cur) - ocur_); \ |
2005 | init ((base) + (ocur_), (cur) - ocur_); \ |
1700 | } |
2006 | } |
1701 | |
2007 | |
… | |
… | |
1713 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2019 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1714 | |
2020 | |
1715 | /*****************************************************************************/ |
2021 | /*****************************************************************************/ |
1716 | |
2022 | |
1717 | /* dummy callback for pending events */ |
2023 | /* dummy callback for pending events */ |
1718 | static void noinline |
2024 | noinline |
|
|
2025 | static void |
1719 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2026 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1720 | { |
2027 | { |
1721 | } |
2028 | } |
1722 | |
2029 | |
1723 | void noinline |
2030 | noinline |
|
|
2031 | void |
1724 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2032 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1725 | { |
2033 | { |
1726 | W w_ = (W)w; |
2034 | W w_ = (W)w; |
1727 | int pri = ABSPRI (w_); |
2035 | int pri = ABSPRI (w_); |
1728 | |
2036 | |
1729 | if (expect_false (w_->pending)) |
2037 | if (expect_false (w_->pending)) |
1730 | pendings [pri][w_->pending - 1].events |= revents; |
2038 | pendings [pri][w_->pending - 1].events |= revents; |
1731 | else |
2039 | else |
1732 | { |
2040 | { |
1733 | w_->pending = ++pendingcnt [pri]; |
2041 | w_->pending = ++pendingcnt [pri]; |
1734 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2042 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1735 | pendings [pri][w_->pending - 1].w = w_; |
2043 | pendings [pri][w_->pending - 1].w = w_; |
1736 | pendings [pri][w_->pending - 1].events = revents; |
2044 | pendings [pri][w_->pending - 1].events = revents; |
1737 | } |
2045 | } |
1738 | |
2046 | |
1739 | pendingpri = NUMPRI - 1; |
2047 | pendingpri = NUMPRI - 1; |
1740 | } |
2048 | } |
1741 | |
2049 | |
1742 | inline_speed void |
2050 | inline_speed void |
1743 | feed_reverse (EV_P_ W w) |
2051 | feed_reverse (EV_P_ W w) |
1744 | { |
2052 | { |
1745 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2053 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1746 | rfeeds [rfeedcnt++] = w; |
2054 | rfeeds [rfeedcnt++] = w; |
1747 | } |
2055 | } |
1748 | |
2056 | |
1749 | inline_size void |
2057 | inline_size void |
1750 | feed_reverse_done (EV_P_ int revents) |
2058 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1790 | if (expect_true (!anfd->reify)) |
2098 | if (expect_true (!anfd->reify)) |
1791 | fd_event_nocheck (EV_A_ fd, revents); |
2099 | fd_event_nocheck (EV_A_ fd, revents); |
1792 | } |
2100 | } |
1793 | |
2101 | |
1794 | void |
2102 | void |
1795 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2103 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1796 | { |
2104 | { |
1797 | if (fd >= 0 && fd < anfdmax) |
2105 | if (fd >= 0 && fd < anfdmax) |
1798 | fd_event_nocheck (EV_A_ fd, revents); |
2106 | fd_event_nocheck (EV_A_ fd, revents); |
1799 | } |
2107 | } |
1800 | |
2108 | |
… | |
… | |
1858 | |
2166 | |
1859 | fdchangecnt = 0; |
2167 | fdchangecnt = 0; |
1860 | } |
2168 | } |
1861 | |
2169 | |
1862 | /* something about the given fd changed */ |
2170 | /* something about the given fd changed */ |
1863 | inline_size void |
2171 | inline_size |
|
|
2172 | void |
1864 | fd_change (EV_P_ int fd, int flags) |
2173 | fd_change (EV_P_ int fd, int flags) |
1865 | { |
2174 | { |
1866 | unsigned char reify = anfds [fd].reify; |
2175 | unsigned char reify = anfds [fd].reify; |
1867 | anfds [fd].reify |= flags; |
2176 | anfds [fd].reify |= flags; |
1868 | |
2177 | |
1869 | if (expect_true (!reify)) |
2178 | if (expect_true (!reify)) |
1870 | { |
2179 | { |
1871 | ++fdchangecnt; |
2180 | ++fdchangecnt; |
1872 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2181 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1873 | fdchanges [fdchangecnt - 1] = fd; |
2182 | fdchanges [fdchangecnt - 1] = fd; |
1874 | } |
2183 | } |
1875 | } |
2184 | } |
1876 | |
2185 | |
1877 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2186 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1878 | inline_speed void ecb_cold |
2187 | inline_speed ecb_cold void |
1879 | fd_kill (EV_P_ int fd) |
2188 | fd_kill (EV_P_ int fd) |
1880 | { |
2189 | { |
1881 | ev_io *w; |
2190 | ev_io *w; |
1882 | |
2191 | |
1883 | while ((w = (ev_io *)anfds [fd].head)) |
2192 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1886 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2195 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1887 | } |
2196 | } |
1888 | } |
2197 | } |
1889 | |
2198 | |
1890 | /* check whether the given fd is actually valid, for error recovery */ |
2199 | /* check whether the given fd is actually valid, for error recovery */ |
1891 | inline_size int ecb_cold |
2200 | inline_size ecb_cold int |
1892 | fd_valid (int fd) |
2201 | fd_valid (int fd) |
1893 | { |
2202 | { |
1894 | #ifdef _WIN32 |
2203 | #ifdef _WIN32 |
1895 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2204 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1896 | #else |
2205 | #else |
1897 | return fcntl (fd, F_GETFD) != -1; |
2206 | return fcntl (fd, F_GETFD) != -1; |
1898 | #endif |
2207 | #endif |
1899 | } |
2208 | } |
1900 | |
2209 | |
1901 | /* called on EBADF to verify fds */ |
2210 | /* called on EBADF to verify fds */ |
1902 | static void noinline ecb_cold |
2211 | noinline ecb_cold |
|
|
2212 | static void |
1903 | fd_ebadf (EV_P) |
2213 | fd_ebadf (EV_P) |
1904 | { |
2214 | { |
1905 | int fd; |
2215 | int fd; |
1906 | |
2216 | |
1907 | for (fd = 0; fd < anfdmax; ++fd) |
2217 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1909 | if (!fd_valid (fd) && errno == EBADF) |
2219 | if (!fd_valid (fd) && errno == EBADF) |
1910 | fd_kill (EV_A_ fd); |
2220 | fd_kill (EV_A_ fd); |
1911 | } |
2221 | } |
1912 | |
2222 | |
1913 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2223 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1914 | static void noinline ecb_cold |
2224 | noinline ecb_cold |
|
|
2225 | static void |
1915 | fd_enomem (EV_P) |
2226 | fd_enomem (EV_P) |
1916 | { |
2227 | { |
1917 | int fd; |
2228 | int fd; |
1918 | |
2229 | |
1919 | for (fd = anfdmax; fd--; ) |
2230 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1923 | break; |
2234 | break; |
1924 | } |
2235 | } |
1925 | } |
2236 | } |
1926 | |
2237 | |
1927 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2238 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1928 | static void noinline |
2239 | noinline |
|
|
2240 | static void |
1929 | fd_rearm_all (EV_P) |
2241 | fd_rearm_all (EV_P) |
1930 | { |
2242 | { |
1931 | int fd; |
2243 | int fd; |
1932 | |
2244 | |
1933 | for (fd = 0; fd < anfdmax; ++fd) |
2245 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2114 | |
2426 | |
2115 | /*****************************************************************************/ |
2427 | /*****************************************************************************/ |
2116 | |
2428 | |
2117 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2429 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2118 | |
2430 | |
2119 | static void noinline ecb_cold |
2431 | noinline ecb_cold |
|
|
2432 | static void |
2120 | evpipe_init (EV_P) |
2433 | evpipe_init (EV_P) |
2121 | { |
2434 | { |
2122 | if (!ev_is_active (&pipe_w)) |
2435 | if (!ev_is_active (&pipe_w)) |
2123 | { |
2436 | { |
2124 | int fds [2]; |
2437 | int fds [2]; |
… | |
… | |
2195 | #endif |
2508 | #endif |
2196 | { |
2509 | { |
2197 | #ifdef _WIN32 |
2510 | #ifdef _WIN32 |
2198 | WSABUF buf; |
2511 | WSABUF buf; |
2199 | DWORD sent; |
2512 | DWORD sent; |
2200 | buf.buf = &buf; |
2513 | buf.buf = (char *)&buf; |
2201 | buf.len = 1; |
2514 | buf.len = 1; |
2202 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2515 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2203 | #else |
2516 | #else |
2204 | write (evpipe [1], &(evpipe [1]), 1); |
2517 | write (evpipe [1], &(evpipe [1]), 1); |
2205 | #endif |
2518 | #endif |
… | |
… | |
2277 | } |
2590 | } |
2278 | |
2591 | |
2279 | /*****************************************************************************/ |
2592 | /*****************************************************************************/ |
2280 | |
2593 | |
2281 | void |
2594 | void |
2282 | ev_feed_signal (int signum) EV_THROW |
2595 | ev_feed_signal (int signum) EV_NOEXCEPT |
2283 | { |
2596 | { |
2284 | #if EV_MULTIPLICITY |
2597 | #if EV_MULTIPLICITY |
2285 | EV_P; |
2598 | EV_P; |
2286 | ECB_MEMORY_FENCE_ACQUIRE; |
2599 | ECB_MEMORY_FENCE_ACQUIRE; |
2287 | EV_A = signals [signum - 1].loop; |
2600 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2302 | #endif |
2615 | #endif |
2303 | |
2616 | |
2304 | ev_feed_signal (signum); |
2617 | ev_feed_signal (signum); |
2305 | } |
2618 | } |
2306 | |
2619 | |
2307 | void noinline |
2620 | noinline |
|
|
2621 | void |
2308 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2622 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2309 | { |
2623 | { |
2310 | WL w; |
2624 | WL w; |
2311 | |
2625 | |
2312 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2626 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2313 | return; |
2627 | return; |
… | |
… | |
2422 | # include "ev_kqueue.c" |
2736 | # include "ev_kqueue.c" |
2423 | #endif |
2737 | #endif |
2424 | #if EV_USE_EPOLL |
2738 | #if EV_USE_EPOLL |
2425 | # include "ev_epoll.c" |
2739 | # include "ev_epoll.c" |
2426 | #endif |
2740 | #endif |
|
|
2741 | #if EV_USE_LINUXAIO |
|
|
2742 | # include "ev_linuxaio.c" |
|
|
2743 | #endif |
2427 | #if EV_USE_POLL |
2744 | #if EV_USE_POLL |
2428 | # include "ev_poll.c" |
2745 | # include "ev_poll.c" |
2429 | #endif |
2746 | #endif |
2430 | #if EV_USE_SELECT |
2747 | #if EV_USE_SELECT |
2431 | # include "ev_select.c" |
2748 | # include "ev_select.c" |
2432 | #endif |
2749 | #endif |
2433 | |
2750 | |
2434 | int ecb_cold |
2751 | ecb_cold int |
2435 | ev_version_major (void) EV_THROW |
2752 | ev_version_major (void) EV_NOEXCEPT |
2436 | { |
2753 | { |
2437 | return EV_VERSION_MAJOR; |
2754 | return EV_VERSION_MAJOR; |
2438 | } |
2755 | } |
2439 | |
2756 | |
2440 | int ecb_cold |
2757 | ecb_cold int |
2441 | ev_version_minor (void) EV_THROW |
2758 | ev_version_minor (void) EV_NOEXCEPT |
2442 | { |
2759 | { |
2443 | return EV_VERSION_MINOR; |
2760 | return EV_VERSION_MINOR; |
2444 | } |
2761 | } |
2445 | |
2762 | |
2446 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2763 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2447 | int inline_size ecb_cold |
2764 | inline_size ecb_cold int |
2448 | enable_secure (void) |
2765 | enable_secure (void) |
2449 | { |
2766 | { |
2450 | #ifdef _WIN32 |
2767 | #ifdef _WIN32 |
2451 | return 0; |
2768 | return 0; |
2452 | #else |
2769 | #else |
2453 | return getuid () != geteuid () |
2770 | return getuid () != geteuid () |
2454 | || getgid () != getegid (); |
2771 | || getgid () != getegid (); |
2455 | #endif |
2772 | #endif |
2456 | } |
2773 | } |
2457 | |
2774 | |
2458 | unsigned int ecb_cold |
2775 | ecb_cold |
|
|
2776 | unsigned int |
2459 | ev_supported_backends (void) EV_THROW |
2777 | ev_supported_backends (void) EV_NOEXCEPT |
2460 | { |
2778 | { |
2461 | unsigned int flags = 0; |
2779 | unsigned int flags = 0; |
2462 | |
2780 | |
2463 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2781 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2464 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2782 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2465 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2783 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2784 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2466 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2785 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2467 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2786 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2468 | |
2787 | |
2469 | return flags; |
2788 | return flags; |
2470 | } |
2789 | } |
2471 | |
2790 | |
2472 | unsigned int ecb_cold |
2791 | ecb_cold |
|
|
2792 | unsigned int |
2473 | ev_recommended_backends (void) EV_THROW |
2793 | ev_recommended_backends (void) EV_NOEXCEPT |
2474 | { |
2794 | { |
2475 | unsigned int flags = ev_supported_backends (); |
2795 | unsigned int flags = ev_supported_backends (); |
2476 | |
2796 | |
2477 | #ifndef __NetBSD__ |
2797 | #ifndef __NetBSD__ |
2478 | /* kqueue is borked on everything but netbsd apparently */ |
2798 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2486 | #endif |
2806 | #endif |
2487 | #ifdef __FreeBSD__ |
2807 | #ifdef __FreeBSD__ |
2488 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2808 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2489 | #endif |
2809 | #endif |
2490 | |
2810 | |
|
|
2811 | /* TODO: linuxaio is very experimental */ |
|
|
2812 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2813 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2814 | #endif |
|
|
2815 | |
2491 | return flags; |
2816 | return flags; |
2492 | } |
2817 | } |
2493 | |
2818 | |
2494 | unsigned int ecb_cold |
2819 | ecb_cold |
|
|
2820 | unsigned int |
2495 | ev_embeddable_backends (void) EV_THROW |
2821 | ev_embeddable_backends (void) EV_NOEXCEPT |
2496 | { |
2822 | { |
2497 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2823 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2498 | |
2824 | |
2499 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2825 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2500 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2826 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2502 | |
2828 | |
2503 | return flags; |
2829 | return flags; |
2504 | } |
2830 | } |
2505 | |
2831 | |
2506 | unsigned int |
2832 | unsigned int |
2507 | ev_backend (EV_P) EV_THROW |
2833 | ev_backend (EV_P) EV_NOEXCEPT |
2508 | { |
2834 | { |
2509 | return backend; |
2835 | return backend; |
2510 | } |
2836 | } |
2511 | |
2837 | |
2512 | #if EV_FEATURE_API |
2838 | #if EV_FEATURE_API |
2513 | unsigned int |
2839 | unsigned int |
2514 | ev_iteration (EV_P) EV_THROW |
2840 | ev_iteration (EV_P) EV_NOEXCEPT |
2515 | { |
2841 | { |
2516 | return loop_count; |
2842 | return loop_count; |
2517 | } |
2843 | } |
2518 | |
2844 | |
2519 | unsigned int |
2845 | unsigned int |
2520 | ev_depth (EV_P) EV_THROW |
2846 | ev_depth (EV_P) EV_NOEXCEPT |
2521 | { |
2847 | { |
2522 | return loop_depth; |
2848 | return loop_depth; |
2523 | } |
2849 | } |
2524 | |
2850 | |
2525 | void |
2851 | void |
2526 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2852 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2527 | { |
2853 | { |
2528 | io_blocktime = interval; |
2854 | io_blocktime = interval; |
2529 | } |
2855 | } |
2530 | |
2856 | |
2531 | void |
2857 | void |
2532 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2858 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2533 | { |
2859 | { |
2534 | timeout_blocktime = interval; |
2860 | timeout_blocktime = interval; |
2535 | } |
2861 | } |
2536 | |
2862 | |
2537 | void |
2863 | void |
2538 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2864 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2539 | { |
2865 | { |
2540 | userdata = data; |
2866 | userdata = data; |
2541 | } |
2867 | } |
2542 | |
2868 | |
2543 | void * |
2869 | void * |
2544 | ev_userdata (EV_P) EV_THROW |
2870 | ev_userdata (EV_P) EV_NOEXCEPT |
2545 | { |
2871 | { |
2546 | return userdata; |
2872 | return userdata; |
2547 | } |
2873 | } |
2548 | |
2874 | |
2549 | void |
2875 | void |
2550 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2876 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2551 | { |
2877 | { |
2552 | invoke_cb = invoke_pending_cb; |
2878 | invoke_cb = invoke_pending_cb; |
2553 | } |
2879 | } |
2554 | |
2880 | |
2555 | void |
2881 | void |
2556 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2882 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2557 | { |
2883 | { |
2558 | release_cb = release; |
2884 | release_cb = release; |
2559 | acquire_cb = acquire; |
2885 | acquire_cb = acquire; |
2560 | } |
2886 | } |
2561 | #endif |
2887 | #endif |
2562 | |
2888 | |
2563 | /* initialise a loop structure, must be zero-initialised */ |
2889 | /* initialise a loop structure, must be zero-initialised */ |
2564 | static void noinline ecb_cold |
2890 | noinline ecb_cold |
|
|
2891 | static void |
2565 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2892 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2566 | { |
2893 | { |
2567 | if (!backend) |
2894 | if (!backend) |
2568 | { |
2895 | { |
2569 | origflags = flags; |
2896 | origflags = flags; |
2570 | |
2897 | |
… | |
… | |
2628 | |
2955 | |
2629 | if (!(flags & EVBACKEND_MASK)) |
2956 | if (!(flags & EVBACKEND_MASK)) |
2630 | flags |= ev_recommended_backends (); |
2957 | flags |= ev_recommended_backends (); |
2631 | |
2958 | |
2632 | #if EV_USE_IOCP |
2959 | #if EV_USE_IOCP |
2633 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2960 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2634 | #endif |
2961 | #endif |
2635 | #if EV_USE_PORT |
2962 | #if EV_USE_PORT |
2636 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2963 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2637 | #endif |
2964 | #endif |
2638 | #if EV_USE_KQUEUE |
2965 | #if EV_USE_KQUEUE |
2639 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2966 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2967 | #endif |
|
|
2968 | #if EV_USE_LINUXAIO |
|
|
2969 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2640 | #endif |
2970 | #endif |
2641 | #if EV_USE_EPOLL |
2971 | #if EV_USE_EPOLL |
2642 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2972 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2643 | #endif |
2973 | #endif |
2644 | #if EV_USE_POLL |
2974 | #if EV_USE_POLL |
2645 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2975 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2646 | #endif |
2976 | #endif |
2647 | #if EV_USE_SELECT |
2977 | #if EV_USE_SELECT |
2648 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2978 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2649 | #endif |
2979 | #endif |
2650 | |
2980 | |
2651 | ev_prepare_init (&pending_w, pendingcb); |
2981 | ev_prepare_init (&pending_w, pendingcb); |
2652 | |
2982 | |
2653 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2983 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2656 | #endif |
2986 | #endif |
2657 | } |
2987 | } |
2658 | } |
2988 | } |
2659 | |
2989 | |
2660 | /* free up a loop structure */ |
2990 | /* free up a loop structure */ |
2661 | void ecb_cold |
2991 | ecb_cold |
|
|
2992 | void |
2662 | ev_loop_destroy (EV_P) |
2993 | ev_loop_destroy (EV_P) |
2663 | { |
2994 | { |
2664 | int i; |
2995 | int i; |
2665 | |
2996 | |
2666 | #if EV_MULTIPLICITY |
2997 | #if EV_MULTIPLICITY |
… | |
… | |
2707 | |
3038 | |
2708 | if (backend_fd >= 0) |
3039 | if (backend_fd >= 0) |
2709 | close (backend_fd); |
3040 | close (backend_fd); |
2710 | |
3041 | |
2711 | #if EV_USE_IOCP |
3042 | #if EV_USE_IOCP |
2712 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3043 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2713 | #endif |
3044 | #endif |
2714 | #if EV_USE_PORT |
3045 | #if EV_USE_PORT |
2715 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3046 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2716 | #endif |
3047 | #endif |
2717 | #if EV_USE_KQUEUE |
3048 | #if EV_USE_KQUEUE |
2718 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3049 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3050 | #endif |
|
|
3051 | #if EV_USE_LINUXAIO |
|
|
3052 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2719 | #endif |
3053 | #endif |
2720 | #if EV_USE_EPOLL |
3054 | #if EV_USE_EPOLL |
2721 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3055 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2722 | #endif |
3056 | #endif |
2723 | #if EV_USE_POLL |
3057 | #if EV_USE_POLL |
2724 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3058 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2725 | #endif |
3059 | #endif |
2726 | #if EV_USE_SELECT |
3060 | #if EV_USE_SELECT |
2727 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3061 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2728 | #endif |
3062 | #endif |
2729 | |
3063 | |
2730 | for (i = NUMPRI; i--; ) |
3064 | for (i = NUMPRI; i--; ) |
2731 | { |
3065 | { |
2732 | array_free (pending, [i]); |
3066 | array_free (pending, [i]); |
… | |
… | |
2774 | |
3108 | |
2775 | inline_size void |
3109 | inline_size void |
2776 | loop_fork (EV_P) |
3110 | loop_fork (EV_P) |
2777 | { |
3111 | { |
2778 | #if EV_USE_PORT |
3112 | #if EV_USE_PORT |
2779 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3113 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2780 | #endif |
3114 | #endif |
2781 | #if EV_USE_KQUEUE |
3115 | #if EV_USE_KQUEUE |
2782 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3116 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3117 | #endif |
|
|
3118 | #if EV_USE_LINUXAIO |
|
|
3119 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2783 | #endif |
3120 | #endif |
2784 | #if EV_USE_EPOLL |
3121 | #if EV_USE_EPOLL |
2785 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3122 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2786 | #endif |
3123 | #endif |
2787 | #if EV_USE_INOTIFY |
3124 | #if EV_USE_INOTIFY |
2788 | infy_fork (EV_A); |
3125 | infy_fork (EV_A); |
2789 | #endif |
3126 | #endif |
2790 | |
3127 | |
2791 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3128 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2792 | if (ev_is_active (&pipe_w)) |
3129 | if (ev_is_active (&pipe_w) && postfork != 2) |
2793 | { |
3130 | { |
2794 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3131 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2795 | |
3132 | |
2796 | ev_ref (EV_A); |
3133 | ev_ref (EV_A); |
2797 | ev_io_stop (EV_A_ &pipe_w); |
3134 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2808 | postfork = 0; |
3145 | postfork = 0; |
2809 | } |
3146 | } |
2810 | |
3147 | |
2811 | #if EV_MULTIPLICITY |
3148 | #if EV_MULTIPLICITY |
2812 | |
3149 | |
|
|
3150 | ecb_cold |
2813 | struct ev_loop * ecb_cold |
3151 | struct ev_loop * |
2814 | ev_loop_new (unsigned int flags) EV_THROW |
3152 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2815 | { |
3153 | { |
2816 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3154 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2817 | |
3155 | |
2818 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3156 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2819 | loop_init (EV_A_ flags); |
3157 | loop_init (EV_A_ flags); |
… | |
… | |
2826 | } |
3164 | } |
2827 | |
3165 | |
2828 | #endif /* multiplicity */ |
3166 | #endif /* multiplicity */ |
2829 | |
3167 | |
2830 | #if EV_VERIFY |
3168 | #if EV_VERIFY |
2831 | static void noinline ecb_cold |
3169 | noinline ecb_cold |
|
|
3170 | static void |
2832 | verify_watcher (EV_P_ W w) |
3171 | verify_watcher (EV_P_ W w) |
2833 | { |
3172 | { |
2834 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3173 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2835 | |
3174 | |
2836 | if (w->pending) |
3175 | if (w->pending) |
2837 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3176 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2838 | } |
3177 | } |
2839 | |
3178 | |
2840 | static void noinline ecb_cold |
3179 | noinline ecb_cold |
|
|
3180 | static void |
2841 | verify_heap (EV_P_ ANHE *heap, int N) |
3181 | verify_heap (EV_P_ ANHE *heap, int N) |
2842 | { |
3182 | { |
2843 | int i; |
3183 | int i; |
2844 | |
3184 | |
2845 | for (i = HEAP0; i < N + HEAP0; ++i) |
3185 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2850 | |
3190 | |
2851 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3191 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2852 | } |
3192 | } |
2853 | } |
3193 | } |
2854 | |
3194 | |
2855 | static void noinline ecb_cold |
3195 | noinline ecb_cold |
|
|
3196 | static void |
2856 | array_verify (EV_P_ W *ws, int cnt) |
3197 | array_verify (EV_P_ W *ws, int cnt) |
2857 | { |
3198 | { |
2858 | while (cnt--) |
3199 | while (cnt--) |
2859 | { |
3200 | { |
2860 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3201 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2863 | } |
3204 | } |
2864 | #endif |
3205 | #endif |
2865 | |
3206 | |
2866 | #if EV_FEATURE_API |
3207 | #if EV_FEATURE_API |
2867 | void ecb_cold |
3208 | void ecb_cold |
2868 | ev_verify (EV_P) EV_THROW |
3209 | ev_verify (EV_P) EV_NOEXCEPT |
2869 | { |
3210 | { |
2870 | #if EV_VERIFY |
3211 | #if EV_VERIFY |
2871 | int i; |
3212 | int i; |
2872 | WL w, w2; |
3213 | WL w, w2; |
2873 | |
3214 | |
… | |
… | |
2949 | #endif |
3290 | #endif |
2950 | } |
3291 | } |
2951 | #endif |
3292 | #endif |
2952 | |
3293 | |
2953 | #if EV_MULTIPLICITY |
3294 | #if EV_MULTIPLICITY |
|
|
3295 | ecb_cold |
2954 | struct ev_loop * ecb_cold |
3296 | struct ev_loop * |
2955 | #else |
3297 | #else |
2956 | int |
3298 | int |
2957 | #endif |
3299 | #endif |
2958 | ev_default_loop (unsigned int flags) EV_THROW |
3300 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2959 | { |
3301 | { |
2960 | if (!ev_default_loop_ptr) |
3302 | if (!ev_default_loop_ptr) |
2961 | { |
3303 | { |
2962 | #if EV_MULTIPLICITY |
3304 | #if EV_MULTIPLICITY |
2963 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3305 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2982 | |
3324 | |
2983 | return ev_default_loop_ptr; |
3325 | return ev_default_loop_ptr; |
2984 | } |
3326 | } |
2985 | |
3327 | |
2986 | void |
3328 | void |
2987 | ev_loop_fork (EV_P) EV_THROW |
3329 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2988 | { |
3330 | { |
2989 | postfork = 1; |
3331 | postfork = 1; |
2990 | } |
3332 | } |
2991 | |
3333 | |
2992 | /*****************************************************************************/ |
3334 | /*****************************************************************************/ |
… | |
… | |
2996 | { |
3338 | { |
2997 | EV_CB_INVOKE ((W)w, revents); |
3339 | EV_CB_INVOKE ((W)w, revents); |
2998 | } |
3340 | } |
2999 | |
3341 | |
3000 | unsigned int |
3342 | unsigned int |
3001 | ev_pending_count (EV_P) EV_THROW |
3343 | ev_pending_count (EV_P) EV_NOEXCEPT |
3002 | { |
3344 | { |
3003 | int pri; |
3345 | int pri; |
3004 | unsigned int count = 0; |
3346 | unsigned int count = 0; |
3005 | |
3347 | |
3006 | for (pri = NUMPRI; pri--; ) |
3348 | for (pri = NUMPRI; pri--; ) |
3007 | count += pendingcnt [pri]; |
3349 | count += pendingcnt [pri]; |
3008 | |
3350 | |
3009 | return count; |
3351 | return count; |
3010 | } |
3352 | } |
3011 | |
3353 | |
3012 | void noinline |
3354 | noinline |
|
|
3355 | void |
3013 | ev_invoke_pending (EV_P) |
3356 | ev_invoke_pending (EV_P) |
3014 | { |
3357 | { |
3015 | pendingpri = NUMPRI; |
3358 | pendingpri = NUMPRI; |
3016 | |
3359 | |
3017 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3360 | do |
3018 | { |
3361 | { |
3019 | --pendingpri; |
3362 | --pendingpri; |
3020 | |
3363 | |
|
|
3364 | /* pendingpri possibly gets modified in the inner loop */ |
3021 | while (pendingcnt [pendingpri]) |
3365 | while (pendingcnt [pendingpri]) |
3022 | { |
3366 | { |
3023 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3367 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3024 | |
3368 | |
3025 | p->w->pending = 0; |
3369 | p->w->pending = 0; |
3026 | EV_CB_INVOKE (p->w, p->events); |
3370 | EV_CB_INVOKE (p->w, p->events); |
3027 | EV_FREQUENT_CHECK; |
3371 | EV_FREQUENT_CHECK; |
3028 | } |
3372 | } |
3029 | } |
3373 | } |
|
|
3374 | while (pendingpri); |
3030 | } |
3375 | } |
3031 | |
3376 | |
3032 | #if EV_IDLE_ENABLE |
3377 | #if EV_IDLE_ENABLE |
3033 | /* make idle watchers pending. this handles the "call-idle */ |
3378 | /* make idle watchers pending. this handles the "call-idle */ |
3034 | /* only when higher priorities are idle" logic */ |
3379 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3092 | } |
3437 | } |
3093 | } |
3438 | } |
3094 | |
3439 | |
3095 | #if EV_PERIODIC_ENABLE |
3440 | #if EV_PERIODIC_ENABLE |
3096 | |
3441 | |
3097 | static void noinline |
3442 | noinline |
|
|
3443 | static void |
3098 | periodic_recalc (EV_P_ ev_periodic *w) |
3444 | periodic_recalc (EV_P_ ev_periodic *w) |
3099 | { |
3445 | { |
3100 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3446 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3101 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3447 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3102 | |
3448 | |
… | |
… | |
3160 | } |
3506 | } |
3161 | } |
3507 | } |
3162 | |
3508 | |
3163 | /* simply recalculate all periodics */ |
3509 | /* simply recalculate all periodics */ |
3164 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3510 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3165 | static void noinline ecb_cold |
3511 | noinline ecb_cold |
|
|
3512 | static void |
3166 | periodics_reschedule (EV_P) |
3513 | periodics_reschedule (EV_P) |
3167 | { |
3514 | { |
3168 | int i; |
3515 | int i; |
3169 | |
3516 | |
3170 | /* adjust periodics after time jump */ |
3517 | /* adjust periodics after time jump */ |
… | |
… | |
3183 | reheap (periodics, periodiccnt); |
3530 | reheap (periodics, periodiccnt); |
3184 | } |
3531 | } |
3185 | #endif |
3532 | #endif |
3186 | |
3533 | |
3187 | /* adjust all timers by a given offset */ |
3534 | /* adjust all timers by a given offset */ |
3188 | static void noinline ecb_cold |
3535 | noinline ecb_cold |
|
|
3536 | static void |
3189 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3537 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3190 | { |
3538 | { |
3191 | int i; |
3539 | int i; |
3192 | |
3540 | |
3193 | for (i = 0; i < timercnt; ++i) |
3541 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3440 | |
3788 | |
3441 | return activecnt; |
3789 | return activecnt; |
3442 | } |
3790 | } |
3443 | |
3791 | |
3444 | void |
3792 | void |
3445 | ev_break (EV_P_ int how) EV_THROW |
3793 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3446 | { |
3794 | { |
3447 | loop_done = how; |
3795 | loop_done = how; |
3448 | } |
3796 | } |
3449 | |
3797 | |
3450 | void |
3798 | void |
3451 | ev_ref (EV_P) EV_THROW |
3799 | ev_ref (EV_P) EV_NOEXCEPT |
3452 | { |
3800 | { |
3453 | ++activecnt; |
3801 | ++activecnt; |
3454 | } |
3802 | } |
3455 | |
3803 | |
3456 | void |
3804 | void |
3457 | ev_unref (EV_P) EV_THROW |
3805 | ev_unref (EV_P) EV_NOEXCEPT |
3458 | { |
3806 | { |
3459 | --activecnt; |
3807 | --activecnt; |
3460 | } |
3808 | } |
3461 | |
3809 | |
3462 | void |
3810 | void |
3463 | ev_now_update (EV_P) EV_THROW |
3811 | ev_now_update (EV_P) EV_NOEXCEPT |
3464 | { |
3812 | { |
3465 | time_update (EV_A_ 1e100); |
3813 | time_update (EV_A_ 1e100); |
3466 | } |
3814 | } |
3467 | |
3815 | |
3468 | void |
3816 | void |
3469 | ev_suspend (EV_P) EV_THROW |
3817 | ev_suspend (EV_P) EV_NOEXCEPT |
3470 | { |
3818 | { |
3471 | ev_now_update (EV_A); |
3819 | ev_now_update (EV_A); |
3472 | } |
3820 | } |
3473 | |
3821 | |
3474 | void |
3822 | void |
3475 | ev_resume (EV_P) EV_THROW |
3823 | ev_resume (EV_P) EV_NOEXCEPT |
3476 | { |
3824 | { |
3477 | ev_tstamp mn_prev = mn_now; |
3825 | ev_tstamp mn_prev = mn_now; |
3478 | |
3826 | |
3479 | ev_now_update (EV_A); |
3827 | ev_now_update (EV_A); |
3480 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3828 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3519 | w->pending = 0; |
3867 | w->pending = 0; |
3520 | } |
3868 | } |
3521 | } |
3869 | } |
3522 | |
3870 | |
3523 | int |
3871 | int |
3524 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3872 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3525 | { |
3873 | { |
3526 | W w_ = (W)w; |
3874 | W w_ = (W)w; |
3527 | int pending = w_->pending; |
3875 | int pending = w_->pending; |
3528 | |
3876 | |
3529 | if (expect_true (pending)) |
3877 | if (expect_true (pending)) |
… | |
… | |
3561 | w->active = 0; |
3909 | w->active = 0; |
3562 | } |
3910 | } |
3563 | |
3911 | |
3564 | /*****************************************************************************/ |
3912 | /*****************************************************************************/ |
3565 | |
3913 | |
3566 | void noinline |
3914 | noinline |
|
|
3915 | void |
3567 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3916 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3568 | { |
3917 | { |
3569 | int fd = w->fd; |
3918 | int fd = w->fd; |
3570 | |
3919 | |
3571 | if (expect_false (ev_is_active (w))) |
3920 | if (expect_false (ev_is_active (w))) |
3572 | return; |
3921 | return; |
… | |
… | |
3575 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3924 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3576 | |
3925 | |
3577 | EV_FREQUENT_CHECK; |
3926 | EV_FREQUENT_CHECK; |
3578 | |
3927 | |
3579 | ev_start (EV_A_ (W)w, 1); |
3928 | ev_start (EV_A_ (W)w, 1); |
3580 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3929 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3581 | wlist_add (&anfds[fd].head, (WL)w); |
3930 | wlist_add (&anfds[fd].head, (WL)w); |
3582 | |
3931 | |
3583 | /* common bug, apparently */ |
3932 | /* common bug, apparently */ |
3584 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3933 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3585 | |
3934 | |
… | |
… | |
3587 | w->events &= ~EV__IOFDSET; |
3936 | w->events &= ~EV__IOFDSET; |
3588 | |
3937 | |
3589 | EV_FREQUENT_CHECK; |
3938 | EV_FREQUENT_CHECK; |
3590 | } |
3939 | } |
3591 | |
3940 | |
3592 | void noinline |
3941 | noinline |
|
|
3942 | void |
3593 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3943 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3594 | { |
3944 | { |
3595 | clear_pending (EV_A_ (W)w); |
3945 | clear_pending (EV_A_ (W)w); |
3596 | if (expect_false (!ev_is_active (w))) |
3946 | if (expect_false (!ev_is_active (w))) |
3597 | return; |
3947 | return; |
3598 | |
3948 | |
… | |
… | |
3606 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3956 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3607 | |
3957 | |
3608 | EV_FREQUENT_CHECK; |
3958 | EV_FREQUENT_CHECK; |
3609 | } |
3959 | } |
3610 | |
3960 | |
3611 | void noinline |
3961 | noinline |
|
|
3962 | void |
3612 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3963 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3613 | { |
3964 | { |
3614 | if (expect_false (ev_is_active (w))) |
3965 | if (expect_false (ev_is_active (w))) |
3615 | return; |
3966 | return; |
3616 | |
3967 | |
3617 | ev_at (w) += mn_now; |
3968 | ev_at (w) += mn_now; |
… | |
… | |
3620 | |
3971 | |
3621 | EV_FREQUENT_CHECK; |
3972 | EV_FREQUENT_CHECK; |
3622 | |
3973 | |
3623 | ++timercnt; |
3974 | ++timercnt; |
3624 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3975 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3625 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3976 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3626 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3977 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3627 | ANHE_at_cache (timers [ev_active (w)]); |
3978 | ANHE_at_cache (timers [ev_active (w)]); |
3628 | upheap (timers, ev_active (w)); |
3979 | upheap (timers, ev_active (w)); |
3629 | |
3980 | |
3630 | EV_FREQUENT_CHECK; |
3981 | EV_FREQUENT_CHECK; |
3631 | |
3982 | |
3632 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3983 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3633 | } |
3984 | } |
3634 | |
3985 | |
3635 | void noinline |
3986 | noinline |
|
|
3987 | void |
3636 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3988 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3637 | { |
3989 | { |
3638 | clear_pending (EV_A_ (W)w); |
3990 | clear_pending (EV_A_ (W)w); |
3639 | if (expect_false (!ev_is_active (w))) |
3991 | if (expect_false (!ev_is_active (w))) |
3640 | return; |
3992 | return; |
3641 | |
3993 | |
… | |
… | |
3660 | ev_stop (EV_A_ (W)w); |
4012 | ev_stop (EV_A_ (W)w); |
3661 | |
4013 | |
3662 | EV_FREQUENT_CHECK; |
4014 | EV_FREQUENT_CHECK; |
3663 | } |
4015 | } |
3664 | |
4016 | |
3665 | void noinline |
4017 | noinline |
|
|
4018 | void |
3666 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4019 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3667 | { |
4020 | { |
3668 | EV_FREQUENT_CHECK; |
4021 | EV_FREQUENT_CHECK; |
3669 | |
4022 | |
3670 | clear_pending (EV_A_ (W)w); |
4023 | clear_pending (EV_A_ (W)w); |
3671 | |
4024 | |
… | |
… | |
3688 | |
4041 | |
3689 | EV_FREQUENT_CHECK; |
4042 | EV_FREQUENT_CHECK; |
3690 | } |
4043 | } |
3691 | |
4044 | |
3692 | ev_tstamp |
4045 | ev_tstamp |
3693 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4046 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3694 | { |
4047 | { |
3695 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4048 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3696 | } |
4049 | } |
3697 | |
4050 | |
3698 | #if EV_PERIODIC_ENABLE |
4051 | #if EV_PERIODIC_ENABLE |
3699 | void noinline |
4052 | noinline |
|
|
4053 | void |
3700 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4054 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3701 | { |
4055 | { |
3702 | if (expect_false (ev_is_active (w))) |
4056 | if (expect_false (ev_is_active (w))) |
3703 | return; |
4057 | return; |
3704 | |
4058 | |
3705 | if (w->reschedule_cb) |
4059 | if (w->reschedule_cb) |
… | |
… | |
3714 | |
4068 | |
3715 | EV_FREQUENT_CHECK; |
4069 | EV_FREQUENT_CHECK; |
3716 | |
4070 | |
3717 | ++periodiccnt; |
4071 | ++periodiccnt; |
3718 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4072 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3719 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4073 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3720 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4074 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3721 | ANHE_at_cache (periodics [ev_active (w)]); |
4075 | ANHE_at_cache (periodics [ev_active (w)]); |
3722 | upheap (periodics, ev_active (w)); |
4076 | upheap (periodics, ev_active (w)); |
3723 | |
4077 | |
3724 | EV_FREQUENT_CHECK; |
4078 | EV_FREQUENT_CHECK; |
3725 | |
4079 | |
3726 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4080 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3727 | } |
4081 | } |
3728 | |
4082 | |
3729 | void noinline |
4083 | noinline |
|
|
4084 | void |
3730 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4085 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3731 | { |
4086 | { |
3732 | clear_pending (EV_A_ (W)w); |
4087 | clear_pending (EV_A_ (W)w); |
3733 | if (expect_false (!ev_is_active (w))) |
4088 | if (expect_false (!ev_is_active (w))) |
3734 | return; |
4089 | return; |
3735 | |
4090 | |
… | |
… | |
3752 | ev_stop (EV_A_ (W)w); |
4107 | ev_stop (EV_A_ (W)w); |
3753 | |
4108 | |
3754 | EV_FREQUENT_CHECK; |
4109 | EV_FREQUENT_CHECK; |
3755 | } |
4110 | } |
3756 | |
4111 | |
3757 | void noinline |
4112 | noinline |
|
|
4113 | void |
3758 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4114 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3759 | { |
4115 | { |
3760 | /* TODO: use adjustheap and recalculation */ |
4116 | /* TODO: use adjustheap and recalculation */ |
3761 | ev_periodic_stop (EV_A_ w); |
4117 | ev_periodic_stop (EV_A_ w); |
3762 | ev_periodic_start (EV_A_ w); |
4118 | ev_periodic_start (EV_A_ w); |
3763 | } |
4119 | } |
… | |
… | |
3767 | # define SA_RESTART 0 |
4123 | # define SA_RESTART 0 |
3768 | #endif |
4124 | #endif |
3769 | |
4125 | |
3770 | #if EV_SIGNAL_ENABLE |
4126 | #if EV_SIGNAL_ENABLE |
3771 | |
4127 | |
3772 | void noinline |
4128 | noinline |
|
|
4129 | void |
3773 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4130 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3774 | { |
4131 | { |
3775 | if (expect_false (ev_is_active (w))) |
4132 | if (expect_false (ev_is_active (w))) |
3776 | return; |
4133 | return; |
3777 | |
4134 | |
3778 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4135 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3849 | } |
4206 | } |
3850 | |
4207 | |
3851 | EV_FREQUENT_CHECK; |
4208 | EV_FREQUENT_CHECK; |
3852 | } |
4209 | } |
3853 | |
4210 | |
3854 | void noinline |
4211 | noinline |
|
|
4212 | void |
3855 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4213 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3856 | { |
4214 | { |
3857 | clear_pending (EV_A_ (W)w); |
4215 | clear_pending (EV_A_ (W)w); |
3858 | if (expect_false (!ev_is_active (w))) |
4216 | if (expect_false (!ev_is_active (w))) |
3859 | return; |
4217 | return; |
3860 | |
4218 | |
… | |
… | |
3891 | #endif |
4249 | #endif |
3892 | |
4250 | |
3893 | #if EV_CHILD_ENABLE |
4251 | #if EV_CHILD_ENABLE |
3894 | |
4252 | |
3895 | void |
4253 | void |
3896 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4254 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3897 | { |
4255 | { |
3898 | #if EV_MULTIPLICITY |
4256 | #if EV_MULTIPLICITY |
3899 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4257 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3900 | #endif |
4258 | #endif |
3901 | if (expect_false (ev_is_active (w))) |
4259 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3908 | |
4266 | |
3909 | EV_FREQUENT_CHECK; |
4267 | EV_FREQUENT_CHECK; |
3910 | } |
4268 | } |
3911 | |
4269 | |
3912 | void |
4270 | void |
3913 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4271 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3914 | { |
4272 | { |
3915 | clear_pending (EV_A_ (W)w); |
4273 | clear_pending (EV_A_ (W)w); |
3916 | if (expect_false (!ev_is_active (w))) |
4274 | if (expect_false (!ev_is_active (w))) |
3917 | return; |
4275 | return; |
3918 | |
4276 | |
… | |
… | |
3935 | |
4293 | |
3936 | #define DEF_STAT_INTERVAL 5.0074891 |
4294 | #define DEF_STAT_INTERVAL 5.0074891 |
3937 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4295 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3938 | #define MIN_STAT_INTERVAL 0.1074891 |
4296 | #define MIN_STAT_INTERVAL 0.1074891 |
3939 | |
4297 | |
3940 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4298 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3941 | |
4299 | |
3942 | #if EV_USE_INOTIFY |
4300 | #if EV_USE_INOTIFY |
3943 | |
4301 | |
3944 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4302 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3945 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4303 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3946 | |
4304 | |
3947 | static void noinline |
4305 | noinline |
|
|
4306 | static void |
3948 | infy_add (EV_P_ ev_stat *w) |
4307 | infy_add (EV_P_ ev_stat *w) |
3949 | { |
4308 | { |
3950 | w->wd = inotify_add_watch (fs_fd, w->path, |
4309 | w->wd = inotify_add_watch (fs_fd, w->path, |
3951 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4310 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3952 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4311 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4016 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4375 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4017 | ev_timer_again (EV_A_ &w->timer); |
4376 | ev_timer_again (EV_A_ &w->timer); |
4018 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4377 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4019 | } |
4378 | } |
4020 | |
4379 | |
4021 | static void noinline |
4380 | noinline |
|
|
4381 | static void |
4022 | infy_del (EV_P_ ev_stat *w) |
4382 | infy_del (EV_P_ ev_stat *w) |
4023 | { |
4383 | { |
4024 | int slot; |
4384 | int slot; |
4025 | int wd = w->wd; |
4385 | int wd = w->wd; |
4026 | |
4386 | |
… | |
… | |
4033 | |
4393 | |
4034 | /* remove this watcher, if others are watching it, they will rearm */ |
4394 | /* remove this watcher, if others are watching it, they will rearm */ |
4035 | inotify_rm_watch (fs_fd, wd); |
4395 | inotify_rm_watch (fs_fd, wd); |
4036 | } |
4396 | } |
4037 | |
4397 | |
4038 | static void noinline |
4398 | noinline |
|
|
4399 | static void |
4039 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4400 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4040 | { |
4401 | { |
4041 | if (slot < 0) |
4402 | if (slot < 0) |
4042 | /* overflow, need to check for all hash slots */ |
4403 | /* overflow, need to check for all hash slots */ |
4043 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4404 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4079 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4440 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4080 | ofs += sizeof (struct inotify_event) + ev->len; |
4441 | ofs += sizeof (struct inotify_event) + ev->len; |
4081 | } |
4442 | } |
4082 | } |
4443 | } |
4083 | |
4444 | |
4084 | inline_size void ecb_cold |
4445 | inline_size ecb_cold |
|
|
4446 | void |
4085 | ev_check_2625 (EV_P) |
4447 | ev_check_2625 (EV_P) |
4086 | { |
4448 | { |
4087 | /* kernels < 2.6.25 are borked |
4449 | /* kernels < 2.6.25 are borked |
4088 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4450 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4089 | */ |
4451 | */ |
… | |
… | |
4179 | #else |
4541 | #else |
4180 | # define EV_LSTAT(p,b) lstat (p, b) |
4542 | # define EV_LSTAT(p,b) lstat (p, b) |
4181 | #endif |
4543 | #endif |
4182 | |
4544 | |
4183 | void |
4545 | void |
4184 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4546 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4185 | { |
4547 | { |
4186 | if (lstat (w->path, &w->attr) < 0) |
4548 | if (lstat (w->path, &w->attr) < 0) |
4187 | w->attr.st_nlink = 0; |
4549 | w->attr.st_nlink = 0; |
4188 | else if (!w->attr.st_nlink) |
4550 | else if (!w->attr.st_nlink) |
4189 | w->attr.st_nlink = 1; |
4551 | w->attr.st_nlink = 1; |
4190 | } |
4552 | } |
4191 | |
4553 | |
4192 | static void noinline |
4554 | noinline |
|
|
4555 | static void |
4193 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4556 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4194 | { |
4557 | { |
4195 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4558 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4196 | |
4559 | |
4197 | ev_statdata prev = w->attr; |
4560 | ev_statdata prev = w->attr; |
… | |
… | |
4228 | ev_feed_event (EV_A_ w, EV_STAT); |
4591 | ev_feed_event (EV_A_ w, EV_STAT); |
4229 | } |
4592 | } |
4230 | } |
4593 | } |
4231 | |
4594 | |
4232 | void |
4595 | void |
4233 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4596 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4234 | { |
4597 | { |
4235 | if (expect_false (ev_is_active (w))) |
4598 | if (expect_false (ev_is_active (w))) |
4236 | return; |
4599 | return; |
4237 | |
4600 | |
4238 | ev_stat_stat (EV_A_ w); |
4601 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4259 | |
4622 | |
4260 | EV_FREQUENT_CHECK; |
4623 | EV_FREQUENT_CHECK; |
4261 | } |
4624 | } |
4262 | |
4625 | |
4263 | void |
4626 | void |
4264 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4627 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4265 | { |
4628 | { |
4266 | clear_pending (EV_A_ (W)w); |
4629 | clear_pending (EV_A_ (W)w); |
4267 | if (expect_false (!ev_is_active (w))) |
4630 | if (expect_false (!ev_is_active (w))) |
4268 | return; |
4631 | return; |
4269 | |
4632 | |
… | |
… | |
4285 | } |
4648 | } |
4286 | #endif |
4649 | #endif |
4287 | |
4650 | |
4288 | #if EV_IDLE_ENABLE |
4651 | #if EV_IDLE_ENABLE |
4289 | void |
4652 | void |
4290 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4653 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4291 | { |
4654 | { |
4292 | if (expect_false (ev_is_active (w))) |
4655 | if (expect_false (ev_is_active (w))) |
4293 | return; |
4656 | return; |
4294 | |
4657 | |
4295 | pri_adjust (EV_A_ (W)w); |
4658 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4300 | int active = ++idlecnt [ABSPRI (w)]; |
4663 | int active = ++idlecnt [ABSPRI (w)]; |
4301 | |
4664 | |
4302 | ++idleall; |
4665 | ++idleall; |
4303 | ev_start (EV_A_ (W)w, active); |
4666 | ev_start (EV_A_ (W)w, active); |
4304 | |
4667 | |
4305 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4668 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4306 | idles [ABSPRI (w)][active - 1] = w; |
4669 | idles [ABSPRI (w)][active - 1] = w; |
4307 | } |
4670 | } |
4308 | |
4671 | |
4309 | EV_FREQUENT_CHECK; |
4672 | EV_FREQUENT_CHECK; |
4310 | } |
4673 | } |
4311 | |
4674 | |
4312 | void |
4675 | void |
4313 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4676 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4314 | { |
4677 | { |
4315 | clear_pending (EV_A_ (W)w); |
4678 | clear_pending (EV_A_ (W)w); |
4316 | if (expect_false (!ev_is_active (w))) |
4679 | if (expect_false (!ev_is_active (w))) |
4317 | return; |
4680 | return; |
4318 | |
4681 | |
… | |
… | |
4332 | } |
4695 | } |
4333 | #endif |
4696 | #endif |
4334 | |
4697 | |
4335 | #if EV_PREPARE_ENABLE |
4698 | #if EV_PREPARE_ENABLE |
4336 | void |
4699 | void |
4337 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4700 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4338 | { |
4701 | { |
4339 | if (expect_false (ev_is_active (w))) |
4702 | if (expect_false (ev_is_active (w))) |
4340 | return; |
4703 | return; |
4341 | |
4704 | |
4342 | EV_FREQUENT_CHECK; |
4705 | EV_FREQUENT_CHECK; |
4343 | |
4706 | |
4344 | ev_start (EV_A_ (W)w, ++preparecnt); |
4707 | ev_start (EV_A_ (W)w, ++preparecnt); |
4345 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4708 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4346 | prepares [preparecnt - 1] = w; |
4709 | prepares [preparecnt - 1] = w; |
4347 | |
4710 | |
4348 | EV_FREQUENT_CHECK; |
4711 | EV_FREQUENT_CHECK; |
4349 | } |
4712 | } |
4350 | |
4713 | |
4351 | void |
4714 | void |
4352 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4715 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4353 | { |
4716 | { |
4354 | clear_pending (EV_A_ (W)w); |
4717 | clear_pending (EV_A_ (W)w); |
4355 | if (expect_false (!ev_is_active (w))) |
4718 | if (expect_false (!ev_is_active (w))) |
4356 | return; |
4719 | return; |
4357 | |
4720 | |
… | |
… | |
4370 | } |
4733 | } |
4371 | #endif |
4734 | #endif |
4372 | |
4735 | |
4373 | #if EV_CHECK_ENABLE |
4736 | #if EV_CHECK_ENABLE |
4374 | void |
4737 | void |
4375 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4738 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4376 | { |
4739 | { |
4377 | if (expect_false (ev_is_active (w))) |
4740 | if (expect_false (ev_is_active (w))) |
4378 | return; |
4741 | return; |
4379 | |
4742 | |
4380 | EV_FREQUENT_CHECK; |
4743 | EV_FREQUENT_CHECK; |
4381 | |
4744 | |
4382 | ev_start (EV_A_ (W)w, ++checkcnt); |
4745 | ev_start (EV_A_ (W)w, ++checkcnt); |
4383 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4746 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4384 | checks [checkcnt - 1] = w; |
4747 | checks [checkcnt - 1] = w; |
4385 | |
4748 | |
4386 | EV_FREQUENT_CHECK; |
4749 | EV_FREQUENT_CHECK; |
4387 | } |
4750 | } |
4388 | |
4751 | |
4389 | void |
4752 | void |
4390 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4753 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4391 | { |
4754 | { |
4392 | clear_pending (EV_A_ (W)w); |
4755 | clear_pending (EV_A_ (W)w); |
4393 | if (expect_false (!ev_is_active (w))) |
4756 | if (expect_false (!ev_is_active (w))) |
4394 | return; |
4757 | return; |
4395 | |
4758 | |
… | |
… | |
4407 | EV_FREQUENT_CHECK; |
4770 | EV_FREQUENT_CHECK; |
4408 | } |
4771 | } |
4409 | #endif |
4772 | #endif |
4410 | |
4773 | |
4411 | #if EV_EMBED_ENABLE |
4774 | #if EV_EMBED_ENABLE |
4412 | void noinline |
4775 | noinline |
|
|
4776 | void |
4413 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4777 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4414 | { |
4778 | { |
4415 | ev_run (w->other, EVRUN_NOWAIT); |
4779 | ev_run (w->other, EVRUN_NOWAIT); |
4416 | } |
4780 | } |
4417 | |
4781 | |
4418 | static void |
4782 | static void |
… | |
… | |
4466 | ev_idle_stop (EV_A_ idle); |
4830 | ev_idle_stop (EV_A_ idle); |
4467 | } |
4831 | } |
4468 | #endif |
4832 | #endif |
4469 | |
4833 | |
4470 | void |
4834 | void |
4471 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4835 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4472 | { |
4836 | { |
4473 | if (expect_false (ev_is_active (w))) |
4837 | if (expect_false (ev_is_active (w))) |
4474 | return; |
4838 | return; |
4475 | |
4839 | |
4476 | { |
4840 | { |
… | |
… | |
4497 | |
4861 | |
4498 | EV_FREQUENT_CHECK; |
4862 | EV_FREQUENT_CHECK; |
4499 | } |
4863 | } |
4500 | |
4864 | |
4501 | void |
4865 | void |
4502 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4866 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4503 | { |
4867 | { |
4504 | clear_pending (EV_A_ (W)w); |
4868 | clear_pending (EV_A_ (W)w); |
4505 | if (expect_false (!ev_is_active (w))) |
4869 | if (expect_false (!ev_is_active (w))) |
4506 | return; |
4870 | return; |
4507 | |
4871 | |
… | |
… | |
4517 | } |
4881 | } |
4518 | #endif |
4882 | #endif |
4519 | |
4883 | |
4520 | #if EV_FORK_ENABLE |
4884 | #if EV_FORK_ENABLE |
4521 | void |
4885 | void |
4522 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4886 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4523 | { |
4887 | { |
4524 | if (expect_false (ev_is_active (w))) |
4888 | if (expect_false (ev_is_active (w))) |
4525 | return; |
4889 | return; |
4526 | |
4890 | |
4527 | EV_FREQUENT_CHECK; |
4891 | EV_FREQUENT_CHECK; |
4528 | |
4892 | |
4529 | ev_start (EV_A_ (W)w, ++forkcnt); |
4893 | ev_start (EV_A_ (W)w, ++forkcnt); |
4530 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4894 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4531 | forks [forkcnt - 1] = w; |
4895 | forks [forkcnt - 1] = w; |
4532 | |
4896 | |
4533 | EV_FREQUENT_CHECK; |
4897 | EV_FREQUENT_CHECK; |
4534 | } |
4898 | } |
4535 | |
4899 | |
4536 | void |
4900 | void |
4537 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4901 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4538 | { |
4902 | { |
4539 | clear_pending (EV_A_ (W)w); |
4903 | clear_pending (EV_A_ (W)w); |
4540 | if (expect_false (!ev_is_active (w))) |
4904 | if (expect_false (!ev_is_active (w))) |
4541 | return; |
4905 | return; |
4542 | |
4906 | |
… | |
… | |
4555 | } |
4919 | } |
4556 | #endif |
4920 | #endif |
4557 | |
4921 | |
4558 | #if EV_CLEANUP_ENABLE |
4922 | #if EV_CLEANUP_ENABLE |
4559 | void |
4923 | void |
4560 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4924 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4561 | { |
4925 | { |
4562 | if (expect_false (ev_is_active (w))) |
4926 | if (expect_false (ev_is_active (w))) |
4563 | return; |
4927 | return; |
4564 | |
4928 | |
4565 | EV_FREQUENT_CHECK; |
4929 | EV_FREQUENT_CHECK; |
4566 | |
4930 | |
4567 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4931 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4568 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4932 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4569 | cleanups [cleanupcnt - 1] = w; |
4933 | cleanups [cleanupcnt - 1] = w; |
4570 | |
4934 | |
4571 | /* cleanup watchers should never keep a refcount on the loop */ |
4935 | /* cleanup watchers should never keep a refcount on the loop */ |
4572 | ev_unref (EV_A); |
4936 | ev_unref (EV_A); |
4573 | EV_FREQUENT_CHECK; |
4937 | EV_FREQUENT_CHECK; |
4574 | } |
4938 | } |
4575 | |
4939 | |
4576 | void |
4940 | void |
4577 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4941 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4578 | { |
4942 | { |
4579 | clear_pending (EV_A_ (W)w); |
4943 | clear_pending (EV_A_ (W)w); |
4580 | if (expect_false (!ev_is_active (w))) |
4944 | if (expect_false (!ev_is_active (w))) |
4581 | return; |
4945 | return; |
4582 | |
4946 | |
… | |
… | |
4596 | } |
4960 | } |
4597 | #endif |
4961 | #endif |
4598 | |
4962 | |
4599 | #if EV_ASYNC_ENABLE |
4963 | #if EV_ASYNC_ENABLE |
4600 | void |
4964 | void |
4601 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4965 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4602 | { |
4966 | { |
4603 | if (expect_false (ev_is_active (w))) |
4967 | if (expect_false (ev_is_active (w))) |
4604 | return; |
4968 | return; |
4605 | |
4969 | |
4606 | w->sent = 0; |
4970 | w->sent = 0; |
… | |
… | |
4608 | evpipe_init (EV_A); |
4972 | evpipe_init (EV_A); |
4609 | |
4973 | |
4610 | EV_FREQUENT_CHECK; |
4974 | EV_FREQUENT_CHECK; |
4611 | |
4975 | |
4612 | ev_start (EV_A_ (W)w, ++asynccnt); |
4976 | ev_start (EV_A_ (W)w, ++asynccnt); |
4613 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4977 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4614 | asyncs [asynccnt - 1] = w; |
4978 | asyncs [asynccnt - 1] = w; |
4615 | |
4979 | |
4616 | EV_FREQUENT_CHECK; |
4980 | EV_FREQUENT_CHECK; |
4617 | } |
4981 | } |
4618 | |
4982 | |
4619 | void |
4983 | void |
4620 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4984 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4621 | { |
4985 | { |
4622 | clear_pending (EV_A_ (W)w); |
4986 | clear_pending (EV_A_ (W)w); |
4623 | if (expect_false (!ev_is_active (w))) |
4987 | if (expect_false (!ev_is_active (w))) |
4624 | return; |
4988 | return; |
4625 | |
4989 | |
… | |
… | |
4636 | |
5000 | |
4637 | EV_FREQUENT_CHECK; |
5001 | EV_FREQUENT_CHECK; |
4638 | } |
5002 | } |
4639 | |
5003 | |
4640 | void |
5004 | void |
4641 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5005 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4642 | { |
5006 | { |
4643 | w->sent = 1; |
5007 | w->sent = 1; |
4644 | evpipe_write (EV_A_ &async_pending); |
5008 | evpipe_write (EV_A_ &async_pending); |
4645 | } |
5009 | } |
4646 | #endif |
5010 | #endif |
… | |
… | |
4683 | |
5047 | |
4684 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5048 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4685 | } |
5049 | } |
4686 | |
5050 | |
4687 | void |
5051 | void |
4688 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5052 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4689 | { |
5053 | { |
4690 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5054 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4691 | |
|
|
4692 | if (expect_false (!once)) |
|
|
4693 | { |
|
|
4694 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4695 | return; |
|
|
4696 | } |
|
|
4697 | |
5055 | |
4698 | once->cb = cb; |
5056 | once->cb = cb; |
4699 | once->arg = arg; |
5057 | once->arg = arg; |
4700 | |
5058 | |
4701 | ev_init (&once->io, once_cb_io); |
5059 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4714 | } |
5072 | } |
4715 | |
5073 | |
4716 | /*****************************************************************************/ |
5074 | /*****************************************************************************/ |
4717 | |
5075 | |
4718 | #if EV_WALK_ENABLE |
5076 | #if EV_WALK_ENABLE |
4719 | void ecb_cold |
5077 | ecb_cold |
|
|
5078 | void |
4720 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5079 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4721 | { |
5080 | { |
4722 | int i, j; |
5081 | int i, j; |
4723 | ev_watcher_list *wl, *wn; |
5082 | ev_watcher_list *wl, *wn; |
4724 | |
5083 | |
4725 | if (types & (EV_IO | EV_EMBED)) |
5084 | if (types & (EV_IO | EV_EMBED)) |