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 |
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|
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 | |
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|
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 |
… | |
… | |
241 | #elif defined SIGARRAYSIZE |
252 | #elif defined SIGARRAYSIZE |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
253 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
243 | #elif defined _sys_nsig |
254 | #elif defined _sys_nsig |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
255 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
245 | #else |
256 | #else |
246 | # error "unable to find value for NSIG, please report" |
257 | # define EV_NSIG (8 * sizeof (sigset_t) + 1) |
247 | /* to make it compile regardless, just remove the above line, */ |
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248 | /* but consider reporting it, too! :) */ |
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249 | # define EV_NSIG 65 |
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250 | #endif |
258 | #endif |
251 | |
259 | |
252 | #ifndef EV_USE_FLOOR |
260 | #ifndef EV_USE_FLOOR |
253 | # define EV_USE_FLOOR 0 |
261 | # define EV_USE_FLOOR 0 |
254 | #endif |
262 | #endif |
255 | |
263 | |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
264 | #ifndef EV_USE_CLOCK_SYSCALL |
257 | # if __linux && __GLIBC__ >= 2 |
265 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
266 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
259 | # else |
267 | # else |
260 | # 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 |
261 | # endif |
278 | # endif |
262 | #endif |
279 | #endif |
263 | |
280 | |
264 | #ifndef EV_USE_MONOTONIC |
281 | #ifndef EV_USE_MONOTONIC |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
282 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
… | |
… | |
307 | |
324 | |
308 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
309 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
310 | #endif |
327 | #endif |
311 | |
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 | |
312 | #ifndef EV_USE_INOTIFY |
337 | #ifndef EV_USE_INOTIFY |
313 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
338 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
314 | # define EV_USE_INOTIFY EV_FEATURE_OS |
339 | # define EV_USE_INOTIFY EV_FEATURE_OS |
315 | # else |
340 | # else |
316 | # define EV_USE_INOTIFY 0 |
341 | # define EV_USE_INOTIFY 0 |
… | |
… | |
357 | |
382 | |
358 | #ifndef EV_HEAP_CACHE_AT |
383 | #ifndef EV_HEAP_CACHE_AT |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
384 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
360 | #endif |
385 | #endif |
361 | |
386 | |
362 | #ifdef ANDROID |
387 | #ifdef __ANDROID__ |
363 | /* supposedly, android doesn't typedef fd_mask */ |
388 | /* supposedly, android doesn't typedef fd_mask */ |
364 | # undef EV_USE_SELECT |
389 | # undef EV_USE_SELECT |
365 | # define EV_USE_SELECT 0 |
390 | # define EV_USE_SELECT 0 |
366 | /* 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 */ |
367 | # undef EV_USE_CLOCK_SYSCALL |
392 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
371 | /* aix's poll.h seems to cause lots of trouble */ |
396 | /* aix's poll.h seems to cause lots of trouble */ |
372 | #ifdef _AIX |
397 | #ifdef _AIX |
373 | /* AIX has a completely broken poll.h header */ |
398 | /* AIX has a completely broken poll.h header */ |
374 | # undef EV_USE_POLL |
399 | # undef EV_USE_POLL |
375 | # define EV_USE_POLL 0 |
400 | # define EV_USE_POLL 0 |
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401 | #endif |
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402 | |
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403 | #if EV_USE_LINUXAIO |
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404 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
376 | #endif |
405 | #endif |
377 | |
406 | |
378 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
407 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
379 | /* which makes programs even slower. might work on other unices, too. */ |
408 | /* which makes programs even slower. might work on other unices, too. */ |
380 | #if EV_USE_CLOCK_SYSCALL |
409 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
408 | |
437 | |
409 | #if !EV_USE_NANOSLEEP |
438 | #if !EV_USE_NANOSLEEP |
410 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
439 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
411 | # if !defined _WIN32 && !defined __hpux |
440 | # if !defined _WIN32 && !defined __hpux |
412 | # include <sys/select.h> |
441 | # include <sys/select.h> |
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442 | # endif |
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443 | #endif |
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444 | |
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445 | #if EV_USE_LINUXAIO |
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446 | # include <sys/syscall.h> |
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447 | # if !SYS_io_getevents |
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448 | # undef EV_USE_LINUXAIO |
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449 | # define EV_USE_LINUXAIO 0 |
413 | # endif |
450 | # endif |
414 | #endif |
451 | #endif |
415 | |
452 | |
416 | #if EV_USE_INOTIFY |
453 | #if EV_USE_INOTIFY |
417 | # include <sys/statfs.h> |
454 | # include <sys/statfs.h> |
… | |
… | |
485 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
522 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
486 | /* ECB.H BEGIN */ |
523 | /* ECB.H BEGIN */ |
487 | /* |
524 | /* |
488 | * libecb - http://software.schmorp.de/pkg/libecb |
525 | * libecb - http://software.schmorp.de/pkg/libecb |
489 | * |
526 | * |
490 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
527 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
491 | * Copyright (©) 2011 Emanuele Giaquinta |
528 | * Copyright (©) 2011 Emanuele Giaquinta |
492 | * All rights reserved. |
529 | * All rights reserved. |
493 | * |
530 | * |
494 | * Redistribution and use in source and binary forms, with or without modifica- |
531 | * Redistribution and use in source and binary forms, with or without modifica- |
495 | * tion, are permitted provided that the following conditions are met: |
532 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
509 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
546 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
510 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
547 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
511 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
548 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
512 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
549 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
513 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
550 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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551 | * |
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552 | * Alternatively, the contents of this file may be used under the terms of |
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553 | * the GNU General Public License ("GPL") version 2 or any later version, |
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554 | * in which case the provisions of the GPL are applicable instead of |
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555 | * the above. If you wish to allow the use of your version of this file |
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556 | * only under the terms of the GPL and not to allow others to use your |
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557 | * version of this file under the BSD license, indicate your decision |
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558 | * by deleting the provisions above and replace them with the notice |
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559 | * and other provisions required by the GPL. If you do not delete the |
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560 | * provisions above, a recipient may use your version of this file under |
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561 | * either the BSD or the GPL. |
514 | */ |
562 | */ |
515 | |
563 | |
516 | #ifndef ECB_H |
564 | #ifndef ECB_H |
517 | #define ECB_H |
565 | #define ECB_H |
518 | |
566 | |
519 | /* 16 bits major, 16 bits minor */ |
567 | /* 16 bits major, 16 bits minor */ |
520 | #define ECB_VERSION 0x00010002 |
568 | #define ECB_VERSION 0x00010005 |
521 | |
569 | |
522 | #ifdef _WIN32 |
570 | #ifdef _WIN32 |
523 | typedef signed char int8_t; |
571 | typedef signed char int8_t; |
524 | typedef unsigned char uint8_t; |
572 | typedef unsigned char uint8_t; |
525 | typedef signed short int16_t; |
573 | typedef signed short int16_t; |
… | |
… | |
542 | typedef uint32_t uintptr_t; |
590 | typedef uint32_t uintptr_t; |
543 | typedef int32_t intptr_t; |
591 | typedef int32_t intptr_t; |
544 | #endif |
592 | #endif |
545 | #else |
593 | #else |
546 | #include <inttypes.h> |
594 | #include <inttypes.h> |
547 | #if UINTMAX_MAX > 0xffffffffU |
595 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
548 | #define ECB_PTRSIZE 8 |
596 | #define ECB_PTRSIZE 8 |
549 | #else |
597 | #else |
550 | #define ECB_PTRSIZE 4 |
598 | #define ECB_PTRSIZE 4 |
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599 | #endif |
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600 | #endif |
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601 | |
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602 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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603 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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604 | |
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605 | /* work around x32 idiocy by defining proper macros */ |
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606 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
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607 | #if _ILP32 |
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608 | #define ECB_AMD64_X32 1 |
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609 | #else |
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610 | #define ECB_AMD64 1 |
551 | #endif |
611 | #endif |
552 | #endif |
612 | #endif |
553 | |
613 | |
554 | /* many compilers define _GNUC_ to some versions but then only implement |
614 | /* many compilers define _GNUC_ to some versions but then only implement |
555 | * what their idiot authors think are the "more important" extensions, |
615 | * what their idiot authors think are the "more important" extensions, |
556 | * causing enormous grief in return for some better fake benchmark numbers. |
616 | * causing enormous grief in return for some better fake benchmark numbers. |
557 | * or so. |
617 | * or so. |
558 | * we try to detect these and simply assume they are not gcc - if they have |
618 | * we try to detect these and simply assume they are not gcc - if they have |
559 | * an issue with that they should have done it right in the first place. |
619 | * an issue with that they should have done it right in the first place. |
560 | */ |
620 | */ |
561 | #ifndef ECB_GCC_VERSION |
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562 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
621 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
563 | #define ECB_GCC_VERSION(major,minor) 0 |
622 | #define ECB_GCC_VERSION(major,minor) 0 |
564 | #else |
623 | #else |
565 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
624 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
566 | #endif |
625 | #endif |
567 | #endif |
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568 | |
626 | |
569 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
627 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
570 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
628 | |
571 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
629 | #if __clang__ && defined __has_builtin |
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630 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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631 | #else |
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632 | #define ECB_CLANG_BUILTIN(x) 0 |
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633 | #endif |
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634 | |
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635 | #if __clang__ && defined __has_extension |
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636 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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637 | #else |
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638 | #define ECB_CLANG_EXTENSION(x) 0 |
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639 | #endif |
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640 | |
572 | #define ECB_CPP (__cplusplus+0) |
641 | #define ECB_CPP (__cplusplus+0) |
573 | #define ECB_CPP11 (__cplusplus >= 201103L) |
642 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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643 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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644 | #define ECB_CPP17 (__cplusplus >= 201703L) |
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645 | |
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646 | #if ECB_CPP |
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647 | #define ECB_C 0 |
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648 | #define ECB_STDC_VERSION 0 |
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649 | #else |
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650 | #define ECB_C 1 |
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651 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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652 | #endif |
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653 | |
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654 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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655 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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656 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
574 | |
657 | |
575 | #if ECB_CPP |
658 | #if ECB_CPP |
576 | #define ECB_EXTERN_C extern "C" |
659 | #define ECB_EXTERN_C extern "C" |
577 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
660 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
578 | #define ECB_EXTERN_C_END } |
661 | #define ECB_EXTERN_C_END } |
… | |
… | |
591 | #define ECB_NO_SMP 1 |
674 | #define ECB_NO_SMP 1 |
592 | #endif |
675 | #endif |
593 | |
676 | |
594 | #if ECB_NO_SMP |
677 | #if ECB_NO_SMP |
595 | #define ECB_MEMORY_FENCE do { } while (0) |
678 | #define ECB_MEMORY_FENCE do { } while (0) |
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679 | #endif |
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680 | |
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681 | /* 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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682 | #if __xlC__ && ECB_CPP |
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683 | #include <builtins.h> |
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684 | #endif |
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685 | |
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686 | #if 1400 <= _MSC_VER |
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687 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
596 | #endif |
688 | #endif |
597 | |
689 | |
598 | #ifndef ECB_MEMORY_FENCE |
690 | #ifndef ECB_MEMORY_FENCE |
599 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
691 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
600 | #if __i386 || __i386__ |
692 | #if __i386 || __i386__ |
601 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
693 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
602 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
694 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
603 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
695 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
604 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
696 | #elif ECB_GCC_AMD64 |
605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
697 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
606 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
698 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
607 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
699 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
608 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
700 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
609 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
701 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
702 | #elif defined __ARM_ARCH_2__ \ |
|
|
703 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
704 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
705 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
706 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
707 | || defined __ARM_ARCH_5TEJ__ |
|
|
708 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
610 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
709 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
611 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
710 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
711 | || defined __ARM_ARCH_6T2__ |
612 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
712 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
613 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
713 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
614 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
714 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
715 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
616 | #elif __sparc || __sparc__ |
716 | #elif __aarch64__ |
|
|
717 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
718 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
617 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
719 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
618 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
720 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
619 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
721 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
620 | #elif defined __s390__ || defined __s390x__ |
722 | #elif defined __s390__ || defined __s390x__ |
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
723 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
622 | #elif defined __mips__ |
724 | #elif defined __mips__ |
|
|
725 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
726 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
727 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
624 | #elif defined __alpha__ |
728 | #elif defined __alpha__ |
625 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
729 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
626 | #elif defined __hppa__ |
730 | #elif defined __hppa__ |
627 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
731 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
732 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
629 | #elif defined __ia64__ |
733 | #elif defined __ia64__ |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
734 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
735 | #elif defined __m68k__ |
|
|
736 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
737 | #elif defined __m88k__ |
|
|
738 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
739 | #elif defined __sh__ |
|
|
740 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
631 | #endif |
741 | #endif |
632 | #endif |
742 | #endif |
633 | #endif |
743 | #endif |
634 | |
744 | |
635 | #ifndef ECB_MEMORY_FENCE |
745 | #ifndef ECB_MEMORY_FENCE |
636 | #if ECB_GCC_VERSION(4,7) |
746 | #if ECB_GCC_VERSION(4,7) |
637 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
747 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
638 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
748 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
749 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
750 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
639 | |
751 | |
640 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
752 | #elif ECB_CLANG_EXTENSION(c_atomic) |
641 | * without risking compile time errors with other compilers. We *could* |
|
|
642 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
643 | * around this shit time and again. |
|
|
644 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
645 | * // see comment below (stdatomic.h) about the C11 memory model. |
753 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
646 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
754 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
647 | */ |
755 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
756 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
648 | |
757 | |
649 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
758 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
650 | #define ECB_MEMORY_FENCE __sync_synchronize () |
759 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
760 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
761 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
762 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
763 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
764 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
765 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
651 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
766 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
652 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
767 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
653 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
768 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
654 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
769 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
655 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
770 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
… | |
… | |
675 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
790 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
676 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
791 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
677 | /* for most usages, or gcc and clang have a bug */ |
792 | /* for most usages, or gcc and clang have a bug */ |
678 | /* I *currently* lean towards the latter, and inefficiently implement */ |
793 | /* I *currently* lean towards the latter, and inefficiently implement */ |
679 | /* all three of ecb's fences as a seq_cst fence */ |
794 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
795 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
796 | /* for all __atomic_thread_fence's except seq_cst */ |
680 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
797 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
681 | #endif |
798 | #endif |
682 | #endif |
799 | #endif |
683 | |
800 | |
684 | #ifndef ECB_MEMORY_FENCE |
801 | #ifndef ECB_MEMORY_FENCE |
… | |
… | |
707 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
824 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
708 | #endif |
825 | #endif |
709 | |
826 | |
710 | /*****************************************************************************/ |
827 | /*****************************************************************************/ |
711 | |
828 | |
712 | #if __cplusplus |
829 | #if ECB_CPP |
713 | #define ecb_inline static inline |
830 | #define ecb_inline static inline |
714 | #elif ECB_GCC_VERSION(2,5) |
831 | #elif ECB_GCC_VERSION(2,5) |
715 | #define ecb_inline static __inline__ |
832 | #define ecb_inline static __inline__ |
716 | #elif ECB_C99 |
833 | #elif ECB_C99 |
717 | #define ecb_inline static inline |
834 | #define ecb_inline static inline |
… | |
… | |
731 | |
848 | |
732 | #define ECB_CONCAT_(a, b) a ## b |
849 | #define ECB_CONCAT_(a, b) a ## b |
733 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
850 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
734 | #define ECB_STRINGIFY_(a) # a |
851 | #define ECB_STRINGIFY_(a) # a |
735 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
852 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
853 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
736 | |
854 | |
737 | #define ecb_function_ ecb_inline |
855 | #define ecb_function_ ecb_inline |
738 | |
856 | |
739 | #if ECB_GCC_VERSION(3,1) |
857 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
740 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
858 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
859 | #else |
|
|
860 | #define ecb_attribute(attrlist) |
|
|
861 | #endif |
|
|
862 | |
|
|
863 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
741 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
864 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
865 | #else |
|
|
866 | /* possible C11 impl for integral types |
|
|
867 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
868 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
869 | |
|
|
870 | #define ecb_is_constant(expr) 0 |
|
|
871 | #endif |
|
|
872 | |
|
|
873 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
742 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
874 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
875 | #else |
|
|
876 | #define ecb_expect(expr,value) (expr) |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
743 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
880 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
744 | #else |
881 | #else |
745 | #define ecb_attribute(attrlist) |
|
|
746 | #define ecb_is_constant(expr) 0 |
|
|
747 | #define ecb_expect(expr,value) (expr) |
|
|
748 | #define ecb_prefetch(addr,rw,locality) |
882 | #define ecb_prefetch(addr,rw,locality) |
749 | #endif |
883 | #endif |
750 | |
884 | |
751 | /* no emulation for ecb_decltype */ |
885 | /* no emulation for ecb_decltype */ |
752 | #if ECB_GCC_VERSION(4,5) |
886 | #if ECB_CPP11 |
|
|
887 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
888 | template<class T> struct ecb_decltype_t { typedef T type; }; |
753 | #define ecb_decltype(x) __decltype(x) |
889 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
754 | #elif ECB_GCC_VERSION(3,0) |
890 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
755 | #define ecb_decltype(x) __typeof(x) |
891 | #define ecb_decltype(x) __typeof__ (x) |
756 | #endif |
892 | #endif |
757 | |
893 | |
|
|
894 | #if _MSC_VER >= 1300 |
|
|
895 | #define ecb_deprecated __declspec (deprecated) |
|
|
896 | #else |
|
|
897 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
898 | #endif |
|
|
899 | |
|
|
900 | #if _MSC_VER >= 1500 |
|
|
901 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
902 | #elif ECB_GCC_VERSION(4,5) |
|
|
903 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
904 | #else |
|
|
905 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
906 | #endif |
|
|
907 | |
|
|
908 | #if _MSC_VER >= 1400 |
|
|
909 | #define ecb_noinline __declspec (noinline) |
|
|
910 | #else |
758 | #define ecb_noinline ecb_attribute ((__noinline__)) |
911 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
912 | #endif |
|
|
913 | |
759 | #define ecb_unused ecb_attribute ((__unused__)) |
914 | #define ecb_unused ecb_attribute ((__unused__)) |
760 | #define ecb_const ecb_attribute ((__const__)) |
915 | #define ecb_const ecb_attribute ((__const__)) |
761 | #define ecb_pure ecb_attribute ((__pure__)) |
916 | #define ecb_pure ecb_attribute ((__pure__)) |
762 | |
917 | |
763 | #if ECB_C11 |
918 | #if ECB_C11 || __IBMC_NORETURN |
|
|
919 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
764 | #define ecb_noreturn _Noreturn |
920 | #define ecb_noreturn _Noreturn |
|
|
921 | #elif ECB_CPP11 |
|
|
922 | #define ecb_noreturn [[noreturn]] |
|
|
923 | #elif _MSC_VER >= 1200 |
|
|
924 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
925 | #define ecb_noreturn __declspec (noreturn) |
765 | #else |
926 | #else |
766 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
927 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
767 | #endif |
928 | #endif |
768 | |
929 | |
769 | #if ECB_GCC_VERSION(4,3) |
930 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
784 | /* for compatibility to the rest of the world */ |
945 | /* for compatibility to the rest of the world */ |
785 | #define ecb_likely(expr) ecb_expect_true (expr) |
946 | #define ecb_likely(expr) ecb_expect_true (expr) |
786 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
947 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
787 | |
948 | |
788 | /* count trailing zero bits and count # of one bits */ |
949 | /* count trailing zero bits and count # of one bits */ |
789 | #if ECB_GCC_VERSION(3,4) |
950 | #if ECB_GCC_VERSION(3,4) \ |
|
|
951 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
952 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
953 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
790 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
954 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
791 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
955 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
792 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
956 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
793 | #define ecb_ctz32(x) __builtin_ctz (x) |
957 | #define ecb_ctz32(x) __builtin_ctz (x) |
794 | #define ecb_ctz64(x) __builtin_ctzll (x) |
958 | #define ecb_ctz64(x) __builtin_ctzll (x) |
795 | #define ecb_popcount32(x) __builtin_popcount (x) |
959 | #define ecb_popcount32(x) __builtin_popcount (x) |
796 | /* no popcountll */ |
960 | /* no popcountll */ |
797 | #else |
961 | #else |
798 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
962 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
799 | ecb_function_ int |
963 | ecb_function_ ecb_const int |
800 | ecb_ctz32 (uint32_t x) |
964 | ecb_ctz32 (uint32_t x) |
801 | { |
965 | { |
|
|
966 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
967 | unsigned long r; |
|
|
968 | _BitScanForward (&r, x); |
|
|
969 | return (int)r; |
|
|
970 | #else |
802 | int r = 0; |
971 | int r = 0; |
803 | |
972 | |
804 | x &= ~x + 1; /* this isolates the lowest bit */ |
973 | x &= ~x + 1; /* this isolates the lowest bit */ |
805 | |
974 | |
806 | #if ECB_branchless_on_i386 |
975 | #if ECB_branchless_on_i386 |
… | |
… | |
816 | if (x & 0xff00ff00) r += 8; |
985 | if (x & 0xff00ff00) r += 8; |
817 | if (x & 0xffff0000) r += 16; |
986 | if (x & 0xffff0000) r += 16; |
818 | #endif |
987 | #endif |
819 | |
988 | |
820 | return r; |
989 | return r; |
|
|
990 | #endif |
821 | } |
991 | } |
822 | |
992 | |
823 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
993 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
824 | ecb_function_ int |
994 | ecb_function_ ecb_const int |
825 | ecb_ctz64 (uint64_t x) |
995 | ecb_ctz64 (uint64_t x) |
826 | { |
996 | { |
|
|
997 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
998 | unsigned long r; |
|
|
999 | _BitScanForward64 (&r, x); |
|
|
1000 | return (int)r; |
|
|
1001 | #else |
827 | int shift = x & 0xffffffffU ? 0 : 32; |
1002 | int shift = x & 0xffffffff ? 0 : 32; |
828 | return ecb_ctz32 (x >> shift) + shift; |
1003 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1004 | #endif |
829 | } |
1005 | } |
830 | |
1006 | |
831 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
1007 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
832 | ecb_function_ int |
1008 | ecb_function_ ecb_const int |
833 | ecb_popcount32 (uint32_t x) |
1009 | ecb_popcount32 (uint32_t x) |
834 | { |
1010 | { |
835 | x -= (x >> 1) & 0x55555555; |
1011 | x -= (x >> 1) & 0x55555555; |
836 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
1012 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
837 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
1013 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
838 | x *= 0x01010101; |
1014 | x *= 0x01010101; |
839 | |
1015 | |
840 | return x >> 24; |
1016 | return x >> 24; |
841 | } |
1017 | } |
842 | |
1018 | |
843 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
1019 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
844 | ecb_function_ int ecb_ld32 (uint32_t x) |
1020 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
845 | { |
1021 | { |
|
|
1022 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1023 | unsigned long r; |
|
|
1024 | _BitScanReverse (&r, x); |
|
|
1025 | return (int)r; |
|
|
1026 | #else |
846 | int r = 0; |
1027 | int r = 0; |
847 | |
1028 | |
848 | if (x >> 16) { x >>= 16; r += 16; } |
1029 | if (x >> 16) { x >>= 16; r += 16; } |
849 | if (x >> 8) { x >>= 8; r += 8; } |
1030 | if (x >> 8) { x >>= 8; r += 8; } |
850 | if (x >> 4) { x >>= 4; r += 4; } |
1031 | if (x >> 4) { x >>= 4; r += 4; } |
851 | if (x >> 2) { x >>= 2; r += 2; } |
1032 | if (x >> 2) { x >>= 2; r += 2; } |
852 | if (x >> 1) { r += 1; } |
1033 | if (x >> 1) { r += 1; } |
853 | |
1034 | |
854 | return r; |
1035 | return r; |
|
|
1036 | #endif |
855 | } |
1037 | } |
856 | |
1038 | |
857 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1039 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
858 | ecb_function_ int ecb_ld64 (uint64_t x) |
1040 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
859 | { |
1041 | { |
|
|
1042 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1043 | unsigned long r; |
|
|
1044 | _BitScanReverse64 (&r, x); |
|
|
1045 | return (int)r; |
|
|
1046 | #else |
860 | int r = 0; |
1047 | int r = 0; |
861 | |
1048 | |
862 | if (x >> 32) { x >>= 32; r += 32; } |
1049 | if (x >> 32) { x >>= 32; r += 32; } |
863 | |
1050 | |
864 | return r + ecb_ld32 (x); |
1051 | return r + ecb_ld32 (x); |
|
|
1052 | #endif |
865 | } |
1053 | } |
866 | #endif |
1054 | #endif |
867 | |
1055 | |
868 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1056 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
869 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1057 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
870 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1058 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
871 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1059 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
872 | |
1060 | |
873 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1061 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
874 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1062 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
875 | { |
1063 | { |
876 | return ( (x * 0x0802U & 0x22110U) |
1064 | return ( (x * 0x0802U & 0x22110U) |
877 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1065 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
878 | } |
1066 | } |
879 | |
1067 | |
880 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1068 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
881 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1069 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
882 | { |
1070 | { |
883 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1071 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
884 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1072 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
885 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1073 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
886 | x = ( x >> 8 ) | ( x << 8); |
1074 | x = ( x >> 8 ) | ( x << 8); |
887 | |
1075 | |
888 | return x; |
1076 | return x; |
889 | } |
1077 | } |
890 | |
1078 | |
891 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1079 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
892 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1080 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
893 | { |
1081 | { |
894 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1082 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
895 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1083 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
896 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1084 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
897 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1085 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
900 | return x; |
1088 | return x; |
901 | } |
1089 | } |
902 | |
1090 | |
903 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1091 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
904 | /* so for this version we are lazy */ |
1092 | /* so for this version we are lazy */ |
905 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1093 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
906 | ecb_function_ int |
1094 | ecb_function_ ecb_const int |
907 | ecb_popcount64 (uint64_t x) |
1095 | ecb_popcount64 (uint64_t x) |
908 | { |
1096 | { |
909 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1097 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
910 | } |
1098 | } |
911 | |
1099 | |
912 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1100 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
913 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1101 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
914 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1102 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
915 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1103 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
916 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1104 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
917 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1105 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
918 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1106 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
919 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1107 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
920 | |
1108 | |
921 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1109 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
922 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1110 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
923 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1111 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
924 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1112 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
925 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1113 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
926 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1114 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
927 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1115 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
928 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1116 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
929 | |
1117 | |
930 | #if ECB_GCC_VERSION(4,3) |
1118 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1119 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1120 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1121 | #else |
931 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1122 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1123 | #endif |
932 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1124 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
933 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1125 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1126 | #elif _MSC_VER |
|
|
1127 | #include <stdlib.h> |
|
|
1128 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1129 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1130 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
934 | #else |
1131 | #else |
935 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1132 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
936 | ecb_function_ uint16_t |
1133 | ecb_function_ ecb_const uint16_t |
937 | ecb_bswap16 (uint16_t x) |
1134 | ecb_bswap16 (uint16_t x) |
938 | { |
1135 | { |
939 | return ecb_rotl16 (x, 8); |
1136 | return ecb_rotl16 (x, 8); |
940 | } |
1137 | } |
941 | |
1138 | |
942 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1139 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
943 | ecb_function_ uint32_t |
1140 | ecb_function_ ecb_const uint32_t |
944 | ecb_bswap32 (uint32_t x) |
1141 | ecb_bswap32 (uint32_t x) |
945 | { |
1142 | { |
946 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1143 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
947 | } |
1144 | } |
948 | |
1145 | |
949 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1146 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
950 | ecb_function_ uint64_t |
1147 | ecb_function_ ecb_const uint64_t |
951 | ecb_bswap64 (uint64_t x) |
1148 | ecb_bswap64 (uint64_t x) |
952 | { |
1149 | { |
953 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1150 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
954 | } |
1151 | } |
955 | #endif |
1152 | #endif |
956 | |
1153 | |
957 | #if ECB_GCC_VERSION(4,5) |
1154 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
958 | #define ecb_unreachable() __builtin_unreachable () |
1155 | #define ecb_unreachable() __builtin_unreachable () |
959 | #else |
1156 | #else |
960 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1157 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
961 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1158 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
962 | ecb_inline void ecb_unreachable (void) { } |
1159 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
963 | #endif |
1160 | #endif |
964 | |
1161 | |
965 | /* try to tell the compiler that some condition is definitely true */ |
1162 | /* try to tell the compiler that some condition is definitely true */ |
966 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1163 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
967 | |
1164 | |
968 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1165 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
969 | ecb_inline unsigned char |
1166 | ecb_inline ecb_const uint32_t |
970 | ecb_byteorder_helper (void) |
1167 | ecb_byteorder_helper (void) |
971 | { |
1168 | { |
972 | /* the union code still generates code under pressure in gcc, */ |
1169 | /* the union code still generates code under pressure in gcc, */ |
973 | /* but less than using pointers, and always seems to */ |
1170 | /* but less than using pointers, and always seems to */ |
974 | /* successfully return a constant. */ |
1171 | /* successfully return a constant. */ |
975 | /* the reason why we have this horrible preprocessor mess */ |
1172 | /* the reason why we have this horrible preprocessor mess */ |
976 | /* is to avoid it in all cases, at least on common architectures */ |
1173 | /* is to avoid it in all cases, at least on common architectures */ |
977 | /* or when using a recent enough gcc version (>= 4.6) */ |
1174 | /* or when using a recent enough gcc version (>= 4.6) */ |
978 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
979 | return 0x44; |
|
|
980 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1175 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1176 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1177 | #define ECB_LITTLE_ENDIAN 1 |
981 | return 0x44; |
1178 | return 0x44332211; |
982 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1179 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1180 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1181 | #define ECB_BIG_ENDIAN 1 |
983 | return 0x11; |
1182 | return 0x11223344; |
984 | #else |
1183 | #else |
985 | union |
1184 | union |
986 | { |
1185 | { |
|
|
1186 | uint8_t c[4]; |
987 | uint32_t i; |
1187 | uint32_t u; |
988 | uint8_t c; |
|
|
989 | } u = { 0x11223344 }; |
1188 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
990 | return u.c; |
1189 | return u.u; |
991 | #endif |
1190 | #endif |
992 | } |
1191 | } |
993 | |
1192 | |
994 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1193 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
995 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1194 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
996 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1195 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
997 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1196 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
998 | |
1197 | |
999 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1198 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1000 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1199 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1001 | #else |
1200 | #else |
1002 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1201 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1003 | #endif |
1202 | #endif |
1004 | |
1203 | |
1005 | #if __cplusplus |
1204 | #if ECB_CPP |
1006 | template<typename T> |
1205 | template<typename T> |
1007 | static inline T ecb_div_rd (T val, T div) |
1206 | static inline T ecb_div_rd (T val, T div) |
1008 | { |
1207 | { |
1009 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1208 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1010 | } |
1209 | } |
… | |
… | |
1027 | } |
1226 | } |
1028 | #else |
1227 | #else |
1029 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1228 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1030 | #endif |
1229 | #endif |
1031 | |
1230 | |
|
|
1231 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1232 | ecb_function_ ecb_const uint32_t |
|
|
1233 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1234 | { |
|
|
1235 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1236 | int e = (x >> 10) & 0x001f; |
|
|
1237 | unsigned int m = x & 0x03ff; |
|
|
1238 | |
|
|
1239 | if (ecb_expect_false (e == 31)) |
|
|
1240 | /* infinity or NaN */ |
|
|
1241 | e = 255 - (127 - 15); |
|
|
1242 | else if (ecb_expect_false (!e)) |
|
|
1243 | { |
|
|
1244 | if (ecb_expect_true (!m)) |
|
|
1245 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1246 | e = 0 - (127 - 15); |
|
|
1247 | else |
|
|
1248 | { |
|
|
1249 | /* subnormal, renormalise */ |
|
|
1250 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1251 | |
|
|
1252 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1253 | e -= s - 1; |
|
|
1254 | } |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1258 | e += 127 - 15; |
|
|
1259 | |
|
|
1260 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1261 | } |
|
|
1262 | |
|
|
1263 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1264 | ecb_function_ ecb_const uint16_t |
|
|
1265 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1266 | { |
|
|
1267 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1268 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1269 | unsigned int m = x & 0x007fffff; |
|
|
1270 | |
|
|
1271 | x &= 0x7fffffff; |
|
|
1272 | |
|
|
1273 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1274 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1275 | { |
|
|
1276 | /* mantissa round-to-even */ |
|
|
1277 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1278 | |
|
|
1279 | /* handle overflow */ |
|
|
1280 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1281 | { |
|
|
1282 | m >>= 1; |
|
|
1283 | e += 1; |
|
|
1284 | } |
|
|
1285 | |
|
|
1286 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | /* handle large numbers and infinity */ |
|
|
1290 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1291 | return s | 0x7c00; |
|
|
1292 | |
|
|
1293 | /* handle zero, subnormals and small numbers */ |
|
|
1294 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1295 | { |
|
|
1296 | /* zero */ |
|
|
1297 | if (ecb_expect_true (!x)) |
|
|
1298 | return s; |
|
|
1299 | |
|
|
1300 | /* handle subnormals */ |
|
|
1301 | |
|
|
1302 | /* too small, will be zero */ |
|
|
1303 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1304 | return s; |
|
|
1305 | |
|
|
1306 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1307 | |
|
|
1308 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1309 | { |
|
|
1310 | unsigned int bits = 14 - e; |
|
|
1311 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1312 | unsigned int even = (m >> bits) & 1; |
|
|
1313 | |
|
|
1314 | /* if this overflows, we will end up with a normalised number */ |
|
|
1315 | m = (m + half + even) >> bits; |
|
|
1316 | } |
|
|
1317 | |
|
|
1318 | return s | m; |
|
|
1319 | } |
|
|
1320 | |
|
|
1321 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1322 | m >>= 13; |
|
|
1323 | |
|
|
1324 | return s | 0x7c00 | m | !m; |
|
|
1325 | } |
|
|
1326 | |
1032 | /*******************************************************************************/ |
1327 | /*******************************************************************************/ |
1033 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1328 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1034 | |
1329 | |
1035 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1330 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1036 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1331 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1037 | #if 0 \ |
1332 | #if 0 \ |
1038 | || __i386 || __i386__ \ |
1333 | || __i386 || __i386__ \ |
1039 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1334 | || ECB_GCC_AMD64 \ |
1040 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1335 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1041 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1042 | || defined __s390__ || defined __s390x__ \ |
1336 | || defined __s390__ || defined __s390x__ \ |
1043 | || defined __mips__ \ |
1337 | || defined __mips__ \ |
1044 | || defined __alpha__ \ |
1338 | || defined __alpha__ \ |
1045 | || defined __hppa__ \ |
1339 | || defined __hppa__ \ |
1046 | || defined __ia64__ \ |
1340 | || defined __ia64__ \ |
|
|
1341 | || defined __m68k__ \ |
|
|
1342 | || defined __m88k__ \ |
|
|
1343 | || defined __sh__ \ |
1047 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1344 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1345 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1346 | || defined __aarch64__ |
1048 | #define ECB_STDFP 1 |
1347 | #define ECB_STDFP 1 |
1049 | #include <string.h> /* for memcpy */ |
1348 | #include <string.h> /* for memcpy */ |
1050 | #else |
1349 | #else |
1051 | #define ECB_STDFP 0 |
1350 | #define ECB_STDFP 0 |
1052 | #include <math.h> /* for frexp*, ldexp* */ |
|
|
1053 | #endif |
1351 | #endif |
1054 | |
1352 | |
1055 | #ifndef ECB_NO_LIBM |
1353 | #ifndef ECB_NO_LIBM |
1056 | |
1354 | |
|
|
1355 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1356 | |
|
|
1357 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1358 | #ifdef INFINITY |
|
|
1359 | #define ECB_INFINITY INFINITY |
|
|
1360 | #else |
|
|
1361 | #define ECB_INFINITY HUGE_VAL |
|
|
1362 | #endif |
|
|
1363 | |
|
|
1364 | #ifdef NAN |
|
|
1365 | #define ECB_NAN NAN |
|
|
1366 | #else |
|
|
1367 | #define ECB_NAN ECB_INFINITY |
|
|
1368 | #endif |
|
|
1369 | |
|
|
1370 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1371 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1372 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1373 | #else |
|
|
1374 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1375 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1376 | #endif |
|
|
1377 | |
1057 | /* convert a float to ieee single/binary32 */ |
1378 | /* convert a float to ieee single/binary32 */ |
1058 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1379 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1059 | ecb_function_ uint32_t |
1380 | ecb_function_ ecb_const uint32_t |
1060 | ecb_float_to_binary32 (float x) |
1381 | ecb_float_to_binary32 (float x) |
1061 | { |
1382 | { |
1062 | uint32_t r; |
1383 | uint32_t r; |
1063 | |
1384 | |
1064 | #if ECB_STDFP |
1385 | #if ECB_STDFP |
… | |
… | |
1071 | if (x == 0e0f ) return 0x00000000U; |
1392 | if (x == 0e0f ) return 0x00000000U; |
1072 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1393 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1073 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1394 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1074 | if (x != x ) return 0x7fbfffffU; |
1395 | if (x != x ) return 0x7fbfffffU; |
1075 | |
1396 | |
1076 | m = frexpf (x, &e) * 0x1000000U; |
1397 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1077 | |
1398 | |
1078 | r = m & 0x80000000U; |
1399 | r = m & 0x80000000U; |
1079 | |
1400 | |
1080 | if (r) |
1401 | if (r) |
1081 | m = -m; |
1402 | m = -m; |
… | |
… | |
1093 | |
1414 | |
1094 | return r; |
1415 | return r; |
1095 | } |
1416 | } |
1096 | |
1417 | |
1097 | /* converts an ieee single/binary32 to a float */ |
1418 | /* converts an ieee single/binary32 to a float */ |
1098 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1419 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1099 | ecb_function_ float |
1420 | ecb_function_ ecb_const float |
1100 | ecb_binary32_to_float (uint32_t x) |
1421 | ecb_binary32_to_float (uint32_t x) |
1101 | { |
1422 | { |
1102 | float r; |
1423 | float r; |
1103 | |
1424 | |
1104 | #if ECB_STDFP |
1425 | #if ECB_STDFP |
… | |
… | |
1114 | x |= 0x800000U; |
1435 | x |= 0x800000U; |
1115 | else |
1436 | else |
1116 | e = 1; |
1437 | e = 1; |
1117 | |
1438 | |
1118 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1439 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1119 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1440 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1120 | |
1441 | |
1121 | r = neg ? -r : r; |
1442 | r = neg ? -r : r; |
1122 | #endif |
1443 | #endif |
1123 | |
1444 | |
1124 | return r; |
1445 | return r; |
1125 | } |
1446 | } |
1126 | |
1447 | |
1127 | /* convert a double to ieee double/binary64 */ |
1448 | /* convert a double to ieee double/binary64 */ |
1128 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1449 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1129 | ecb_function_ uint64_t |
1450 | ecb_function_ ecb_const uint64_t |
1130 | ecb_double_to_binary64 (double x) |
1451 | ecb_double_to_binary64 (double x) |
1131 | { |
1452 | { |
1132 | uint64_t r; |
1453 | uint64_t r; |
1133 | |
1454 | |
1134 | #if ECB_STDFP |
1455 | #if ECB_STDFP |
… | |
… | |
1163 | |
1484 | |
1164 | return r; |
1485 | return r; |
1165 | } |
1486 | } |
1166 | |
1487 | |
1167 | /* converts an ieee double/binary64 to a double */ |
1488 | /* converts an ieee double/binary64 to a double */ |
1168 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1489 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1169 | ecb_function_ double |
1490 | ecb_function_ ecb_const double |
1170 | ecb_binary64_to_double (uint64_t x) |
1491 | ecb_binary64_to_double (uint64_t x) |
1171 | { |
1492 | { |
1172 | double r; |
1493 | double r; |
1173 | |
1494 | |
1174 | #if ECB_STDFP |
1495 | #if ECB_STDFP |
… | |
… | |
1190 | |
1511 | |
1191 | r = neg ? -r : r; |
1512 | r = neg ? -r : r; |
1192 | #endif |
1513 | #endif |
1193 | |
1514 | |
1194 | return r; |
1515 | return r; |
|
|
1516 | } |
|
|
1517 | |
|
|
1518 | /* convert a float to ieee half/binary16 */ |
|
|
1519 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1520 | ecb_function_ ecb_const uint16_t |
|
|
1521 | ecb_float_to_binary16 (float x) |
|
|
1522 | { |
|
|
1523 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1524 | } |
|
|
1525 | |
|
|
1526 | /* convert an ieee half/binary16 to float */ |
|
|
1527 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1528 | ecb_function_ ecb_const float |
|
|
1529 | ecb_binary16_to_float (uint16_t x) |
|
|
1530 | { |
|
|
1531 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1195 | } |
1532 | } |
1196 | |
1533 | |
1197 | #endif |
1534 | #endif |
1198 | |
1535 | |
1199 | #endif |
1536 | #endif |
… | |
… | |
1224 | #define inline_size ecb_inline |
1561 | #define inline_size ecb_inline |
1225 | |
1562 | |
1226 | #if EV_FEATURE_CODE |
1563 | #if EV_FEATURE_CODE |
1227 | # define inline_speed ecb_inline |
1564 | # define inline_speed ecb_inline |
1228 | #else |
1565 | #else |
1229 | # define inline_speed static noinline |
1566 | # define inline_speed noinline static |
1230 | #endif |
1567 | #endif |
1231 | |
1568 | |
1232 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1569 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1233 | |
1570 | |
1234 | #if EV_MINPRI == EV_MAXPRI |
1571 | #if EV_MINPRI == EV_MAXPRI |
1235 | # define ABSPRI(w) (((W)w), 0) |
1572 | # define ABSPRI(w) (((W)w), 0) |
1236 | #else |
1573 | #else |
1237 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1574 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1238 | #endif |
1575 | #endif |
1239 | |
1576 | |
1240 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1577 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1241 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1242 | |
1578 | |
1243 | typedef ev_watcher *W; |
1579 | typedef ev_watcher *W; |
1244 | typedef ev_watcher_list *WL; |
1580 | typedef ev_watcher_list *WL; |
1245 | typedef ev_watcher_time *WT; |
1581 | typedef ev_watcher_time *WT; |
1246 | |
1582 | |
… | |
… | |
1281 | #else |
1617 | #else |
1282 | |
1618 | |
1283 | #include <float.h> |
1619 | #include <float.h> |
1284 | |
1620 | |
1285 | /* 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 |
1286 | static ev_tstamp noinline |
1623 | static ev_tstamp |
1287 | ev_floor (ev_tstamp v) |
1624 | ev_floor (ev_tstamp v) |
1288 | { |
1625 | { |
1289 | /* the choice of shift factor is not terribly important */ |
1626 | /* the choice of shift factor is not terribly important */ |
1290 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1627 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1291 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1323 | |
1660 | |
1324 | #ifdef __linux |
1661 | #ifdef __linux |
1325 | # include <sys/utsname.h> |
1662 | # include <sys/utsname.h> |
1326 | #endif |
1663 | #endif |
1327 | |
1664 | |
1328 | static unsigned int noinline ecb_cold |
1665 | noinline ecb_cold |
|
|
1666 | static unsigned int |
1329 | ev_linux_version (void) |
1667 | ev_linux_version (void) |
1330 | { |
1668 | { |
1331 | #ifdef __linux |
1669 | #ifdef __linux |
1332 | unsigned int v = 0; |
1670 | unsigned int v = 0; |
1333 | struct utsname buf; |
1671 | struct utsname buf; |
… | |
… | |
1362 | } |
1700 | } |
1363 | |
1701 | |
1364 | /*****************************************************************************/ |
1702 | /*****************************************************************************/ |
1365 | |
1703 | |
1366 | #if EV_AVOID_STDIO |
1704 | #if EV_AVOID_STDIO |
1367 | static void noinline ecb_cold |
1705 | noinline ecb_cold |
|
|
1706 | static void |
1368 | ev_printerr (const char *msg) |
1707 | ev_printerr (const char *msg) |
1369 | { |
1708 | { |
1370 | write (STDERR_FILENO, msg, strlen (msg)); |
1709 | write (STDERR_FILENO, msg, strlen (msg)); |
1371 | } |
1710 | } |
1372 | #endif |
1711 | #endif |
1373 | |
1712 | |
1374 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1713 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1375 | |
1714 | |
1376 | void ecb_cold |
1715 | ecb_cold |
|
|
1716 | void |
1377 | 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 |
1378 | { |
1718 | { |
1379 | syserr_cb = cb; |
1719 | syserr_cb = cb; |
1380 | } |
1720 | } |
1381 | |
1721 | |
1382 | static void noinline ecb_cold |
1722 | noinline ecb_cold |
|
|
1723 | static void |
1383 | ev_syserr (const char *msg) |
1724 | ev_syserr (const char *msg) |
1384 | { |
1725 | { |
1385 | if (!msg) |
1726 | if (!msg) |
1386 | msg = "(libev) system error"; |
1727 | msg = "(libev) system error"; |
1387 | |
1728 | |
… | |
… | |
1400 | abort (); |
1741 | abort (); |
1401 | } |
1742 | } |
1402 | } |
1743 | } |
1403 | |
1744 | |
1404 | static void * |
1745 | static void * |
1405 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1746 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1406 | { |
1747 | { |
1407 | /* some systems, notably openbsd and darwin, fail to properly |
1748 | /* some systems, notably openbsd and darwin, fail to properly |
1408 | * 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 |
1409 | * the single unix specification, so work around them here. |
1750 | * the single unix specification, so work around them here. |
1410 | * recently, also (at least) fedora and debian started breaking it, |
1751 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1416 | |
1757 | |
1417 | free (ptr); |
1758 | free (ptr); |
1418 | return 0; |
1759 | return 0; |
1419 | } |
1760 | } |
1420 | |
1761 | |
1421 | 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; |
1422 | |
1763 | |
1423 | void ecb_cold |
1764 | ecb_cold |
|
|
1765 | void |
1424 | 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 |
1425 | { |
1767 | { |
1426 | alloc = cb; |
1768 | alloc = cb; |
1427 | } |
1769 | } |
1428 | |
1770 | |
1429 | inline_speed void * |
1771 | inline_speed void * |
… | |
… | |
1456 | typedef struct |
1798 | typedef struct |
1457 | { |
1799 | { |
1458 | WL head; |
1800 | WL head; |
1459 | unsigned char events; /* the events watched for */ |
1801 | unsigned char events; /* the events watched for */ |
1460 | 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) */ |
1461 | 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 */ |
1462 | unsigned char unused; |
1804 | unsigned char unused; |
1463 | #if EV_USE_EPOLL |
1805 | #if EV_USE_EPOLL |
1464 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1806 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1465 | #endif |
1807 | #endif |
1466 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1808 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1546 | |
1888 | |
1547 | /*****************************************************************************/ |
1889 | /*****************************************************************************/ |
1548 | |
1890 | |
1549 | #ifndef EV_HAVE_EV_TIME |
1891 | #ifndef EV_HAVE_EV_TIME |
1550 | ev_tstamp |
1892 | ev_tstamp |
1551 | ev_time (void) EV_THROW |
1893 | ev_time (void) EV_NOEXCEPT |
1552 | { |
1894 | { |
1553 | #if EV_USE_REALTIME |
1895 | #if EV_USE_REALTIME |
1554 | if (expect_true (have_realtime)) |
1896 | if (expect_true (have_realtime)) |
1555 | { |
1897 | { |
1556 | struct timespec ts; |
1898 | struct timespec ts; |
… | |
… | |
1580 | return ev_time (); |
1922 | return ev_time (); |
1581 | } |
1923 | } |
1582 | |
1924 | |
1583 | #if EV_MULTIPLICITY |
1925 | #if EV_MULTIPLICITY |
1584 | ev_tstamp |
1926 | ev_tstamp |
1585 | ev_now (EV_P) EV_THROW |
1927 | ev_now (EV_P) EV_NOEXCEPT |
1586 | { |
1928 | { |
1587 | return ev_rt_now; |
1929 | return ev_rt_now; |
1588 | } |
1930 | } |
1589 | #endif |
1931 | #endif |
1590 | |
1932 | |
1591 | void |
1933 | void |
1592 | ev_sleep (ev_tstamp delay) EV_THROW |
1934 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1593 | { |
1935 | { |
1594 | if (delay > 0.) |
1936 | if (delay > 0.) |
1595 | { |
1937 | { |
1596 | #if EV_USE_NANOSLEEP |
1938 | #if EV_USE_NANOSLEEP |
1597 | struct timespec ts; |
1939 | struct timespec ts; |
1598 | |
1940 | |
1599 | EV_TS_SET (ts, delay); |
1941 | EV_TS_SET (ts, delay); |
1600 | nanosleep (&ts, 0); |
1942 | nanosleep (&ts, 0); |
1601 | #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) */ |
1602 | Sleep ((unsigned long)(delay * 1e3)); |
1946 | Sleep ((unsigned long)(delay * 1e3)); |
1603 | #else |
1947 | #else |
1604 | struct timeval tv; |
1948 | struct timeval tv; |
1605 | |
1949 | |
1606 | /* 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 */ |
… | |
… | |
1637 | } |
1981 | } |
1638 | |
1982 | |
1639 | return ncur; |
1983 | return ncur; |
1640 | } |
1984 | } |
1641 | |
1985 | |
1642 | static void * noinline ecb_cold |
1986 | noinline ecb_cold |
|
|
1987 | static void * |
1643 | array_realloc (int elem, void *base, int *cur, int cnt) |
1988 | array_realloc (int elem, void *base, int *cur, int cnt) |
1644 | { |
1989 | { |
1645 | *cur = array_nextsize (elem, *cur, cnt); |
1990 | *cur = array_nextsize (elem, *cur, cnt); |
1646 | return ev_realloc (base, elem * *cur); |
1991 | return ev_realloc (base, elem * *cur); |
1647 | } |
1992 | } |
1648 | |
1993 | |
|
|
1994 | #define array_needsize_noinit(base,count) |
|
|
1995 | |
1649 | #define array_init_zero(base,count) \ |
1996 | #define array_needsize_zerofill(base,count) \ |
1650 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1997 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1651 | |
1998 | |
1652 | #define array_needsize(type,base,cur,cnt,init) \ |
1999 | #define array_needsize(type,base,cur,cnt,init) \ |
1653 | if (expect_false ((cnt) > (cur))) \ |
2000 | if (expect_false ((cnt) > (cur))) \ |
1654 | { \ |
2001 | { \ |
1655 | int ecb_unused ocur_ = (cur); \ |
2002 | ecb_unused int ocur_ = (cur); \ |
1656 | (base) = (type *)array_realloc \ |
2003 | (base) = (type *)array_realloc \ |
1657 | (sizeof (type), (base), &(cur), (cnt)); \ |
2004 | (sizeof (type), (base), &(cur), (cnt)); \ |
1658 | init ((base) + (ocur_), (cur) - ocur_); \ |
2005 | init ((base) + (ocur_), (cur) - ocur_); \ |
1659 | } |
2006 | } |
1660 | |
2007 | |
… | |
… | |
1672 | 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 |
1673 | |
2020 | |
1674 | /*****************************************************************************/ |
2021 | /*****************************************************************************/ |
1675 | |
2022 | |
1676 | /* dummy callback for pending events */ |
2023 | /* dummy callback for pending events */ |
1677 | static void noinline |
2024 | noinline |
|
|
2025 | static void |
1678 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2026 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1679 | { |
2027 | { |
1680 | } |
2028 | } |
1681 | |
2029 | |
1682 | void noinline |
2030 | noinline |
|
|
2031 | void |
1683 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2032 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1684 | { |
2033 | { |
1685 | W w_ = (W)w; |
2034 | W w_ = (W)w; |
1686 | int pri = ABSPRI (w_); |
2035 | int pri = ABSPRI (w_); |
1687 | |
2036 | |
1688 | if (expect_false (w_->pending)) |
2037 | if (expect_false (w_->pending)) |
1689 | pendings [pri][w_->pending - 1].events |= revents; |
2038 | pendings [pri][w_->pending - 1].events |= revents; |
1690 | else |
2039 | else |
1691 | { |
2040 | { |
1692 | w_->pending = ++pendingcnt [pri]; |
2041 | w_->pending = ++pendingcnt [pri]; |
1693 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2042 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1694 | pendings [pri][w_->pending - 1].w = w_; |
2043 | pendings [pri][w_->pending - 1].w = w_; |
1695 | pendings [pri][w_->pending - 1].events = revents; |
2044 | pendings [pri][w_->pending - 1].events = revents; |
1696 | } |
2045 | } |
1697 | |
2046 | |
1698 | pendingpri = NUMPRI - 1; |
2047 | pendingpri = NUMPRI - 1; |
1699 | } |
2048 | } |
1700 | |
2049 | |
1701 | inline_speed void |
2050 | inline_speed void |
1702 | feed_reverse (EV_P_ W w) |
2051 | feed_reverse (EV_P_ W w) |
1703 | { |
2052 | { |
1704 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2053 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1705 | rfeeds [rfeedcnt++] = w; |
2054 | rfeeds [rfeedcnt++] = w; |
1706 | } |
2055 | } |
1707 | |
2056 | |
1708 | inline_size void |
2057 | inline_size void |
1709 | feed_reverse_done (EV_P_ int revents) |
2058 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1749 | if (expect_true (!anfd->reify)) |
2098 | if (expect_true (!anfd->reify)) |
1750 | fd_event_nocheck (EV_A_ fd, revents); |
2099 | fd_event_nocheck (EV_A_ fd, revents); |
1751 | } |
2100 | } |
1752 | |
2101 | |
1753 | void |
2102 | void |
1754 | 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 |
1755 | { |
2104 | { |
1756 | if (fd >= 0 && fd < anfdmax) |
2105 | if (fd >= 0 && fd < anfdmax) |
1757 | fd_event_nocheck (EV_A_ fd, revents); |
2106 | fd_event_nocheck (EV_A_ fd, revents); |
1758 | } |
2107 | } |
1759 | |
2108 | |
… | |
… | |
1817 | |
2166 | |
1818 | fdchangecnt = 0; |
2167 | fdchangecnt = 0; |
1819 | } |
2168 | } |
1820 | |
2169 | |
1821 | /* something about the given fd changed */ |
2170 | /* something about the given fd changed */ |
1822 | inline_size void |
2171 | inline_size |
|
|
2172 | void |
1823 | fd_change (EV_P_ int fd, int flags) |
2173 | fd_change (EV_P_ int fd, int flags) |
1824 | { |
2174 | { |
1825 | unsigned char reify = anfds [fd].reify; |
2175 | unsigned char reify = anfds [fd].reify; |
1826 | anfds [fd].reify |= flags; |
2176 | anfds [fd].reify |= flags; |
1827 | |
2177 | |
1828 | if (expect_true (!reify)) |
2178 | if (expect_true (!reify)) |
1829 | { |
2179 | { |
1830 | ++fdchangecnt; |
2180 | ++fdchangecnt; |
1831 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2181 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1832 | fdchanges [fdchangecnt - 1] = fd; |
2182 | fdchanges [fdchangecnt - 1] = fd; |
1833 | } |
2183 | } |
1834 | } |
2184 | } |
1835 | |
2185 | |
1836 | /* 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 */ |
1837 | inline_speed void ecb_cold |
2187 | inline_speed ecb_cold void |
1838 | fd_kill (EV_P_ int fd) |
2188 | fd_kill (EV_P_ int fd) |
1839 | { |
2189 | { |
1840 | ev_io *w; |
2190 | ev_io *w; |
1841 | |
2191 | |
1842 | while ((w = (ev_io *)anfds [fd].head)) |
2192 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1845 | 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); |
1846 | } |
2196 | } |
1847 | } |
2197 | } |
1848 | |
2198 | |
1849 | /* check whether the given fd is actually valid, for error recovery */ |
2199 | /* check whether the given fd is actually valid, for error recovery */ |
1850 | inline_size int ecb_cold |
2200 | inline_size ecb_cold int |
1851 | fd_valid (int fd) |
2201 | fd_valid (int fd) |
1852 | { |
2202 | { |
1853 | #ifdef _WIN32 |
2203 | #ifdef _WIN32 |
1854 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2204 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1855 | #else |
2205 | #else |
1856 | return fcntl (fd, F_GETFD) != -1; |
2206 | return fcntl (fd, F_GETFD) != -1; |
1857 | #endif |
2207 | #endif |
1858 | } |
2208 | } |
1859 | |
2209 | |
1860 | /* called on EBADF to verify fds */ |
2210 | /* called on EBADF to verify fds */ |
1861 | static void noinline ecb_cold |
2211 | noinline ecb_cold |
|
|
2212 | static void |
1862 | fd_ebadf (EV_P) |
2213 | fd_ebadf (EV_P) |
1863 | { |
2214 | { |
1864 | int fd; |
2215 | int fd; |
1865 | |
2216 | |
1866 | for (fd = 0; fd < anfdmax; ++fd) |
2217 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1868 | if (!fd_valid (fd) && errno == EBADF) |
2219 | if (!fd_valid (fd) && errno == EBADF) |
1869 | fd_kill (EV_A_ fd); |
2220 | fd_kill (EV_A_ fd); |
1870 | } |
2221 | } |
1871 | |
2222 | |
1872 | /* 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 */ |
1873 | static void noinline ecb_cold |
2224 | noinline ecb_cold |
|
|
2225 | static void |
1874 | fd_enomem (EV_P) |
2226 | fd_enomem (EV_P) |
1875 | { |
2227 | { |
1876 | int fd; |
2228 | int fd; |
1877 | |
2229 | |
1878 | for (fd = anfdmax; fd--; ) |
2230 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1882 | break; |
2234 | break; |
1883 | } |
2235 | } |
1884 | } |
2236 | } |
1885 | |
2237 | |
1886 | /* 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 */ |
1887 | static void noinline |
2239 | noinline |
|
|
2240 | static void |
1888 | fd_rearm_all (EV_P) |
2241 | fd_rearm_all (EV_P) |
1889 | { |
2242 | { |
1890 | int fd; |
2243 | int fd; |
1891 | |
2244 | |
1892 | for (fd = 0; fd < anfdmax; ++fd) |
2245 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2073 | |
2426 | |
2074 | /*****************************************************************************/ |
2427 | /*****************************************************************************/ |
2075 | |
2428 | |
2076 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2429 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2077 | |
2430 | |
2078 | static void noinline ecb_cold |
2431 | noinline ecb_cold |
|
|
2432 | static void |
2079 | evpipe_init (EV_P) |
2433 | evpipe_init (EV_P) |
2080 | { |
2434 | { |
2081 | if (!ev_is_active (&pipe_w)) |
2435 | if (!ev_is_active (&pipe_w)) |
2082 | { |
2436 | { |
2083 | int fds [2]; |
2437 | int fds [2]; |
… | |
… | |
2094 | while (pipe (fds)) |
2448 | while (pipe (fds)) |
2095 | ev_syserr ("(libev) error creating signal/async pipe"); |
2449 | ev_syserr ("(libev) error creating signal/async pipe"); |
2096 | |
2450 | |
2097 | fd_intern (fds [0]); |
2451 | fd_intern (fds [0]); |
2098 | } |
2452 | } |
2099 | |
|
|
2100 | fd_intern (fds [1]); |
|
|
2101 | |
2453 | |
2102 | evpipe [0] = fds [0]; |
2454 | evpipe [0] = fds [0]; |
2103 | |
2455 | |
2104 | if (evpipe [1] < 0) |
2456 | if (evpipe [1] < 0) |
2105 | evpipe [1] = fds [1]; /* first call, set write fd */ |
2457 | evpipe [1] = fds [1]; /* first call, set write fd */ |
… | |
… | |
2112 | |
2464 | |
2113 | dup2 (fds [1], evpipe [1]); |
2465 | dup2 (fds [1], evpipe [1]); |
2114 | close (fds [1]); |
2466 | close (fds [1]); |
2115 | } |
2467 | } |
2116 | |
2468 | |
|
|
2469 | fd_intern (evpipe [1]); |
|
|
2470 | |
2117 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
2471 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
2118 | ev_io_start (EV_A_ &pipe_w); |
2472 | ev_io_start (EV_A_ &pipe_w); |
2119 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2473 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2120 | } |
2474 | } |
2121 | } |
2475 | } |
… | |
… | |
2154 | #endif |
2508 | #endif |
2155 | { |
2509 | { |
2156 | #ifdef _WIN32 |
2510 | #ifdef _WIN32 |
2157 | WSABUF buf; |
2511 | WSABUF buf; |
2158 | DWORD sent; |
2512 | DWORD sent; |
2159 | buf.buf = &buf; |
2513 | buf.buf = (char *)&buf; |
2160 | buf.len = 1; |
2514 | buf.len = 1; |
2161 | 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); |
2162 | #else |
2516 | #else |
2163 | write (evpipe [1], &(evpipe [1]), 1); |
2517 | write (evpipe [1], &(evpipe [1]), 1); |
2164 | #endif |
2518 | #endif |
… | |
… | |
2236 | } |
2590 | } |
2237 | |
2591 | |
2238 | /*****************************************************************************/ |
2592 | /*****************************************************************************/ |
2239 | |
2593 | |
2240 | void |
2594 | void |
2241 | ev_feed_signal (int signum) EV_THROW |
2595 | ev_feed_signal (int signum) EV_NOEXCEPT |
2242 | { |
2596 | { |
2243 | #if EV_MULTIPLICITY |
2597 | #if EV_MULTIPLICITY |
2244 | EV_P; |
2598 | EV_P; |
2245 | ECB_MEMORY_FENCE_ACQUIRE; |
2599 | ECB_MEMORY_FENCE_ACQUIRE; |
2246 | EV_A = signals [signum - 1].loop; |
2600 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2261 | #endif |
2615 | #endif |
2262 | |
2616 | |
2263 | ev_feed_signal (signum); |
2617 | ev_feed_signal (signum); |
2264 | } |
2618 | } |
2265 | |
2619 | |
2266 | void noinline |
2620 | noinline |
|
|
2621 | void |
2267 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2622 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2268 | { |
2623 | { |
2269 | WL w; |
2624 | WL w; |
2270 | |
2625 | |
2271 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2626 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2272 | return; |
2627 | return; |
… | |
… | |
2378 | # include "ev_port.c" |
2733 | # include "ev_port.c" |
2379 | #endif |
2734 | #endif |
2380 | #if EV_USE_KQUEUE |
2735 | #if EV_USE_KQUEUE |
2381 | # include "ev_kqueue.c" |
2736 | # include "ev_kqueue.c" |
2382 | #endif |
2737 | #endif |
|
|
2738 | #if EV_USE_LINUXAIO |
|
|
2739 | # include "ev_linuxaio.c" |
|
|
2740 | #endif |
2383 | #if EV_USE_EPOLL |
2741 | #if EV_USE_EPOLL |
2384 | # include "ev_epoll.c" |
2742 | # include "ev_epoll.c" |
2385 | #endif |
2743 | #endif |
2386 | #if EV_USE_POLL |
2744 | #if EV_USE_POLL |
2387 | # include "ev_poll.c" |
2745 | # include "ev_poll.c" |
2388 | #endif |
2746 | #endif |
2389 | #if EV_USE_SELECT |
2747 | #if EV_USE_SELECT |
2390 | # include "ev_select.c" |
2748 | # include "ev_select.c" |
2391 | #endif |
2749 | #endif |
2392 | |
2750 | |
2393 | int ecb_cold |
2751 | ecb_cold int |
2394 | ev_version_major (void) EV_THROW |
2752 | ev_version_major (void) EV_NOEXCEPT |
2395 | { |
2753 | { |
2396 | return EV_VERSION_MAJOR; |
2754 | return EV_VERSION_MAJOR; |
2397 | } |
2755 | } |
2398 | |
2756 | |
2399 | int ecb_cold |
2757 | ecb_cold int |
2400 | ev_version_minor (void) EV_THROW |
2758 | ev_version_minor (void) EV_NOEXCEPT |
2401 | { |
2759 | { |
2402 | return EV_VERSION_MINOR; |
2760 | return EV_VERSION_MINOR; |
2403 | } |
2761 | } |
2404 | |
2762 | |
2405 | /* 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 */ |
2406 | int inline_size ecb_cold |
2764 | inline_size ecb_cold int |
2407 | enable_secure (void) |
2765 | enable_secure (void) |
2408 | { |
2766 | { |
2409 | #ifdef _WIN32 |
2767 | #ifdef _WIN32 |
2410 | return 0; |
2768 | return 0; |
2411 | #else |
2769 | #else |
2412 | return getuid () != geteuid () |
2770 | return getuid () != geteuid () |
2413 | || getgid () != getegid (); |
2771 | || getgid () != getegid (); |
2414 | #endif |
2772 | #endif |
2415 | } |
2773 | } |
2416 | |
2774 | |
2417 | unsigned int ecb_cold |
2775 | ecb_cold |
|
|
2776 | unsigned int |
2418 | ev_supported_backends (void) EV_THROW |
2777 | ev_supported_backends (void) EV_NOEXCEPT |
2419 | { |
2778 | { |
2420 | unsigned int flags = 0; |
2779 | unsigned int flags = 0; |
2421 | |
2780 | |
2422 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2781 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2423 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2782 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2424 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2783 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2784 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2425 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2785 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2426 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2786 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2427 | |
2787 | |
2428 | return flags; |
2788 | return flags; |
2429 | } |
2789 | } |
2430 | |
2790 | |
2431 | unsigned int ecb_cold |
2791 | ecb_cold |
|
|
2792 | unsigned int |
2432 | ev_recommended_backends (void) EV_THROW |
2793 | ev_recommended_backends (void) EV_NOEXCEPT |
2433 | { |
2794 | { |
2434 | unsigned int flags = ev_supported_backends (); |
2795 | unsigned int flags = ev_supported_backends (); |
2435 | |
2796 | |
2436 | #ifndef __NetBSD__ |
2797 | #ifndef __NetBSD__ |
2437 | /* kqueue is borked on everything but netbsd apparently */ |
2798 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2445 | #endif |
2806 | #endif |
2446 | #ifdef __FreeBSD__ |
2807 | #ifdef __FreeBSD__ |
2447 | 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) */ |
2448 | #endif |
2809 | #endif |
2449 | |
2810 | |
|
|
2811 | /* TODO: linuxaio is very experimental */ |
|
|
2812 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2813 | |
2450 | return flags; |
2814 | return flags; |
2451 | } |
2815 | } |
2452 | |
2816 | |
2453 | unsigned int ecb_cold |
2817 | ecb_cold |
|
|
2818 | unsigned int |
2454 | ev_embeddable_backends (void) EV_THROW |
2819 | ev_embeddable_backends (void) EV_NOEXCEPT |
2455 | { |
2820 | { |
2456 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2821 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2457 | |
2822 | |
2458 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2823 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2459 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2824 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2461 | |
2826 | |
2462 | return flags; |
2827 | return flags; |
2463 | } |
2828 | } |
2464 | |
2829 | |
2465 | unsigned int |
2830 | unsigned int |
2466 | ev_backend (EV_P) EV_THROW |
2831 | ev_backend (EV_P) EV_NOEXCEPT |
2467 | { |
2832 | { |
2468 | return backend; |
2833 | return backend; |
2469 | } |
2834 | } |
2470 | |
2835 | |
2471 | #if EV_FEATURE_API |
2836 | #if EV_FEATURE_API |
2472 | unsigned int |
2837 | unsigned int |
2473 | ev_iteration (EV_P) EV_THROW |
2838 | ev_iteration (EV_P) EV_NOEXCEPT |
2474 | { |
2839 | { |
2475 | return loop_count; |
2840 | return loop_count; |
2476 | } |
2841 | } |
2477 | |
2842 | |
2478 | unsigned int |
2843 | unsigned int |
2479 | ev_depth (EV_P) EV_THROW |
2844 | ev_depth (EV_P) EV_NOEXCEPT |
2480 | { |
2845 | { |
2481 | return loop_depth; |
2846 | return loop_depth; |
2482 | } |
2847 | } |
2483 | |
2848 | |
2484 | void |
2849 | void |
2485 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2850 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2486 | { |
2851 | { |
2487 | io_blocktime = interval; |
2852 | io_blocktime = interval; |
2488 | } |
2853 | } |
2489 | |
2854 | |
2490 | void |
2855 | void |
2491 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2856 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2492 | { |
2857 | { |
2493 | timeout_blocktime = interval; |
2858 | timeout_blocktime = interval; |
2494 | } |
2859 | } |
2495 | |
2860 | |
2496 | void |
2861 | void |
2497 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2862 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2498 | { |
2863 | { |
2499 | userdata = data; |
2864 | userdata = data; |
2500 | } |
2865 | } |
2501 | |
2866 | |
2502 | void * |
2867 | void * |
2503 | ev_userdata (EV_P) EV_THROW |
2868 | ev_userdata (EV_P) EV_NOEXCEPT |
2504 | { |
2869 | { |
2505 | return userdata; |
2870 | return userdata; |
2506 | } |
2871 | } |
2507 | |
2872 | |
2508 | void |
2873 | void |
2509 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2874 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2510 | { |
2875 | { |
2511 | invoke_cb = invoke_pending_cb; |
2876 | invoke_cb = invoke_pending_cb; |
2512 | } |
2877 | } |
2513 | |
2878 | |
2514 | void |
2879 | void |
2515 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2880 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2516 | { |
2881 | { |
2517 | release_cb = release; |
2882 | release_cb = release; |
2518 | acquire_cb = acquire; |
2883 | acquire_cb = acquire; |
2519 | } |
2884 | } |
2520 | #endif |
2885 | #endif |
2521 | |
2886 | |
2522 | /* initialise a loop structure, must be zero-initialised */ |
2887 | /* initialise a loop structure, must be zero-initialised */ |
2523 | static void noinline ecb_cold |
2888 | noinline ecb_cold |
|
|
2889 | static void |
2524 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2890 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2525 | { |
2891 | { |
2526 | if (!backend) |
2892 | if (!backend) |
2527 | { |
2893 | { |
2528 | origflags = flags; |
2894 | origflags = flags; |
2529 | |
2895 | |
… | |
… | |
2587 | |
2953 | |
2588 | if (!(flags & EVBACKEND_MASK)) |
2954 | if (!(flags & EVBACKEND_MASK)) |
2589 | flags |= ev_recommended_backends (); |
2955 | flags |= ev_recommended_backends (); |
2590 | |
2956 | |
2591 | #if EV_USE_IOCP |
2957 | #if EV_USE_IOCP |
2592 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2958 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2593 | #endif |
2959 | #endif |
2594 | #if EV_USE_PORT |
2960 | #if EV_USE_PORT |
2595 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2961 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2596 | #endif |
2962 | #endif |
2597 | #if EV_USE_KQUEUE |
2963 | #if EV_USE_KQUEUE |
2598 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2964 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2965 | #endif |
|
|
2966 | #if EV_USE_LINUXAIO |
|
|
2967 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2599 | #endif |
2968 | #endif |
2600 | #if EV_USE_EPOLL |
2969 | #if EV_USE_EPOLL |
2601 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2970 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2602 | #endif |
2971 | #endif |
2603 | #if EV_USE_POLL |
2972 | #if EV_USE_POLL |
2604 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2973 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2605 | #endif |
2974 | #endif |
2606 | #if EV_USE_SELECT |
2975 | #if EV_USE_SELECT |
2607 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2976 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2608 | #endif |
2977 | #endif |
2609 | |
2978 | |
2610 | ev_prepare_init (&pending_w, pendingcb); |
2979 | ev_prepare_init (&pending_w, pendingcb); |
2611 | |
2980 | |
2612 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2981 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2615 | #endif |
2984 | #endif |
2616 | } |
2985 | } |
2617 | } |
2986 | } |
2618 | |
2987 | |
2619 | /* free up a loop structure */ |
2988 | /* free up a loop structure */ |
2620 | void ecb_cold |
2989 | ecb_cold |
|
|
2990 | void |
2621 | ev_loop_destroy (EV_P) |
2991 | ev_loop_destroy (EV_P) |
2622 | { |
2992 | { |
2623 | int i; |
2993 | int i; |
2624 | |
2994 | |
2625 | #if EV_MULTIPLICITY |
2995 | #if EV_MULTIPLICITY |
… | |
… | |
2666 | |
3036 | |
2667 | if (backend_fd >= 0) |
3037 | if (backend_fd >= 0) |
2668 | close (backend_fd); |
3038 | close (backend_fd); |
2669 | |
3039 | |
2670 | #if EV_USE_IOCP |
3040 | #if EV_USE_IOCP |
2671 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3041 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2672 | #endif |
3042 | #endif |
2673 | #if EV_USE_PORT |
3043 | #if EV_USE_PORT |
2674 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3044 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2675 | #endif |
3045 | #endif |
2676 | #if EV_USE_KQUEUE |
3046 | #if EV_USE_KQUEUE |
2677 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3047 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3048 | #endif |
|
|
3049 | #if EV_USE_LINUXAIO |
|
|
3050 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2678 | #endif |
3051 | #endif |
2679 | #if EV_USE_EPOLL |
3052 | #if EV_USE_EPOLL |
2680 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3053 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2681 | #endif |
3054 | #endif |
2682 | #if EV_USE_POLL |
3055 | #if EV_USE_POLL |
2683 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3056 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2684 | #endif |
3057 | #endif |
2685 | #if EV_USE_SELECT |
3058 | #if EV_USE_SELECT |
2686 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3059 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2687 | #endif |
3060 | #endif |
2688 | |
3061 | |
2689 | for (i = NUMPRI; i--; ) |
3062 | for (i = NUMPRI; i--; ) |
2690 | { |
3063 | { |
2691 | array_free (pending, [i]); |
3064 | array_free (pending, [i]); |
… | |
… | |
2733 | |
3106 | |
2734 | inline_size void |
3107 | inline_size void |
2735 | loop_fork (EV_P) |
3108 | loop_fork (EV_P) |
2736 | { |
3109 | { |
2737 | #if EV_USE_PORT |
3110 | #if EV_USE_PORT |
2738 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3111 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2739 | #endif |
3112 | #endif |
2740 | #if EV_USE_KQUEUE |
3113 | #if EV_USE_KQUEUE |
2741 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3114 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3115 | #endif |
|
|
3116 | #if EV_USE_LINUXAIO |
|
|
3117 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2742 | #endif |
3118 | #endif |
2743 | #if EV_USE_EPOLL |
3119 | #if EV_USE_EPOLL |
2744 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3120 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2745 | #endif |
3121 | #endif |
2746 | #if EV_USE_INOTIFY |
3122 | #if EV_USE_INOTIFY |
2747 | infy_fork (EV_A); |
3123 | infy_fork (EV_A); |
2748 | #endif |
3124 | #endif |
2749 | |
3125 | |
2750 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3126 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2751 | if (ev_is_active (&pipe_w)) |
3127 | if (ev_is_active (&pipe_w) && postfork != 2) |
2752 | { |
3128 | { |
2753 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3129 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2754 | |
3130 | |
2755 | ev_ref (EV_A); |
3131 | ev_ref (EV_A); |
2756 | ev_io_stop (EV_A_ &pipe_w); |
3132 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2767 | postfork = 0; |
3143 | postfork = 0; |
2768 | } |
3144 | } |
2769 | |
3145 | |
2770 | #if EV_MULTIPLICITY |
3146 | #if EV_MULTIPLICITY |
2771 | |
3147 | |
|
|
3148 | ecb_cold |
2772 | struct ev_loop * ecb_cold |
3149 | struct ev_loop * |
2773 | ev_loop_new (unsigned int flags) EV_THROW |
3150 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2774 | { |
3151 | { |
2775 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3152 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2776 | |
3153 | |
2777 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3154 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2778 | loop_init (EV_A_ flags); |
3155 | loop_init (EV_A_ flags); |
… | |
… | |
2785 | } |
3162 | } |
2786 | |
3163 | |
2787 | #endif /* multiplicity */ |
3164 | #endif /* multiplicity */ |
2788 | |
3165 | |
2789 | #if EV_VERIFY |
3166 | #if EV_VERIFY |
2790 | static void noinline ecb_cold |
3167 | noinline ecb_cold |
|
|
3168 | static void |
2791 | verify_watcher (EV_P_ W w) |
3169 | verify_watcher (EV_P_ W w) |
2792 | { |
3170 | { |
2793 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3171 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2794 | |
3172 | |
2795 | if (w->pending) |
3173 | if (w->pending) |
2796 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3174 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2797 | } |
3175 | } |
2798 | |
3176 | |
2799 | static void noinline ecb_cold |
3177 | noinline ecb_cold |
|
|
3178 | static void |
2800 | verify_heap (EV_P_ ANHE *heap, int N) |
3179 | verify_heap (EV_P_ ANHE *heap, int N) |
2801 | { |
3180 | { |
2802 | int i; |
3181 | int i; |
2803 | |
3182 | |
2804 | for (i = HEAP0; i < N + HEAP0; ++i) |
3183 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2809 | |
3188 | |
2810 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3189 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2811 | } |
3190 | } |
2812 | } |
3191 | } |
2813 | |
3192 | |
2814 | static void noinline ecb_cold |
3193 | noinline ecb_cold |
|
|
3194 | static void |
2815 | array_verify (EV_P_ W *ws, int cnt) |
3195 | array_verify (EV_P_ W *ws, int cnt) |
2816 | { |
3196 | { |
2817 | while (cnt--) |
3197 | while (cnt--) |
2818 | { |
3198 | { |
2819 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3199 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2822 | } |
3202 | } |
2823 | #endif |
3203 | #endif |
2824 | |
3204 | |
2825 | #if EV_FEATURE_API |
3205 | #if EV_FEATURE_API |
2826 | void ecb_cold |
3206 | void ecb_cold |
2827 | ev_verify (EV_P) EV_THROW |
3207 | ev_verify (EV_P) EV_NOEXCEPT |
2828 | { |
3208 | { |
2829 | #if EV_VERIFY |
3209 | #if EV_VERIFY |
2830 | int i; |
3210 | int i; |
2831 | WL w, w2; |
3211 | WL w, w2; |
2832 | |
3212 | |
… | |
… | |
2908 | #endif |
3288 | #endif |
2909 | } |
3289 | } |
2910 | #endif |
3290 | #endif |
2911 | |
3291 | |
2912 | #if EV_MULTIPLICITY |
3292 | #if EV_MULTIPLICITY |
|
|
3293 | ecb_cold |
2913 | struct ev_loop * ecb_cold |
3294 | struct ev_loop * |
2914 | #else |
3295 | #else |
2915 | int |
3296 | int |
2916 | #endif |
3297 | #endif |
2917 | ev_default_loop (unsigned int flags) EV_THROW |
3298 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2918 | { |
3299 | { |
2919 | if (!ev_default_loop_ptr) |
3300 | if (!ev_default_loop_ptr) |
2920 | { |
3301 | { |
2921 | #if EV_MULTIPLICITY |
3302 | #if EV_MULTIPLICITY |
2922 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3303 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2941 | |
3322 | |
2942 | return ev_default_loop_ptr; |
3323 | return ev_default_loop_ptr; |
2943 | } |
3324 | } |
2944 | |
3325 | |
2945 | void |
3326 | void |
2946 | ev_loop_fork (EV_P) EV_THROW |
3327 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2947 | { |
3328 | { |
2948 | postfork = 1; |
3329 | postfork = 1; |
2949 | } |
3330 | } |
2950 | |
3331 | |
2951 | /*****************************************************************************/ |
3332 | /*****************************************************************************/ |
… | |
… | |
2955 | { |
3336 | { |
2956 | EV_CB_INVOKE ((W)w, revents); |
3337 | EV_CB_INVOKE ((W)w, revents); |
2957 | } |
3338 | } |
2958 | |
3339 | |
2959 | unsigned int |
3340 | unsigned int |
2960 | ev_pending_count (EV_P) EV_THROW |
3341 | ev_pending_count (EV_P) EV_NOEXCEPT |
2961 | { |
3342 | { |
2962 | int pri; |
3343 | int pri; |
2963 | unsigned int count = 0; |
3344 | unsigned int count = 0; |
2964 | |
3345 | |
2965 | for (pri = NUMPRI; pri--; ) |
3346 | for (pri = NUMPRI; pri--; ) |
2966 | count += pendingcnt [pri]; |
3347 | count += pendingcnt [pri]; |
2967 | |
3348 | |
2968 | return count; |
3349 | return count; |
2969 | } |
3350 | } |
2970 | |
3351 | |
2971 | void noinline |
3352 | noinline |
|
|
3353 | void |
2972 | ev_invoke_pending (EV_P) |
3354 | ev_invoke_pending (EV_P) |
2973 | { |
3355 | { |
2974 | pendingpri = NUMPRI; |
3356 | pendingpri = NUMPRI; |
2975 | |
3357 | |
2976 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3358 | do |
2977 | { |
3359 | { |
2978 | --pendingpri; |
3360 | --pendingpri; |
2979 | |
3361 | |
|
|
3362 | /* pendingpri possibly gets modified in the inner loop */ |
2980 | while (pendingcnt [pendingpri]) |
3363 | while (pendingcnt [pendingpri]) |
2981 | { |
3364 | { |
2982 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3365 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2983 | |
3366 | |
2984 | p->w->pending = 0; |
3367 | p->w->pending = 0; |
2985 | EV_CB_INVOKE (p->w, p->events); |
3368 | EV_CB_INVOKE (p->w, p->events); |
2986 | EV_FREQUENT_CHECK; |
3369 | EV_FREQUENT_CHECK; |
2987 | } |
3370 | } |
2988 | } |
3371 | } |
|
|
3372 | while (pendingpri); |
2989 | } |
3373 | } |
2990 | |
3374 | |
2991 | #if EV_IDLE_ENABLE |
3375 | #if EV_IDLE_ENABLE |
2992 | /* make idle watchers pending. this handles the "call-idle */ |
3376 | /* make idle watchers pending. this handles the "call-idle */ |
2993 | /* only when higher priorities are idle" logic */ |
3377 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3051 | } |
3435 | } |
3052 | } |
3436 | } |
3053 | |
3437 | |
3054 | #if EV_PERIODIC_ENABLE |
3438 | #if EV_PERIODIC_ENABLE |
3055 | |
3439 | |
3056 | static void noinline |
3440 | noinline |
|
|
3441 | static void |
3057 | periodic_recalc (EV_P_ ev_periodic *w) |
3442 | periodic_recalc (EV_P_ ev_periodic *w) |
3058 | { |
3443 | { |
3059 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3444 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3060 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3445 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3061 | |
3446 | |
… | |
… | |
3119 | } |
3504 | } |
3120 | } |
3505 | } |
3121 | |
3506 | |
3122 | /* simply recalculate all periodics */ |
3507 | /* simply recalculate all periodics */ |
3123 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3508 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3124 | static void noinline ecb_cold |
3509 | noinline ecb_cold |
|
|
3510 | static void |
3125 | periodics_reschedule (EV_P) |
3511 | periodics_reschedule (EV_P) |
3126 | { |
3512 | { |
3127 | int i; |
3513 | int i; |
3128 | |
3514 | |
3129 | /* adjust periodics after time jump */ |
3515 | /* adjust periodics after time jump */ |
… | |
… | |
3142 | reheap (periodics, periodiccnt); |
3528 | reheap (periodics, periodiccnt); |
3143 | } |
3529 | } |
3144 | #endif |
3530 | #endif |
3145 | |
3531 | |
3146 | /* adjust all timers by a given offset */ |
3532 | /* adjust all timers by a given offset */ |
3147 | static void noinline ecb_cold |
3533 | noinline ecb_cold |
|
|
3534 | static void |
3148 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3535 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3149 | { |
3536 | { |
3150 | int i; |
3537 | int i; |
3151 | |
3538 | |
3152 | for (i = 0; i < timercnt; ++i) |
3539 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3399 | |
3786 | |
3400 | return activecnt; |
3787 | return activecnt; |
3401 | } |
3788 | } |
3402 | |
3789 | |
3403 | void |
3790 | void |
3404 | ev_break (EV_P_ int how) EV_THROW |
3791 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3405 | { |
3792 | { |
3406 | loop_done = how; |
3793 | loop_done = how; |
3407 | } |
3794 | } |
3408 | |
3795 | |
3409 | void |
3796 | void |
3410 | ev_ref (EV_P) EV_THROW |
3797 | ev_ref (EV_P) EV_NOEXCEPT |
3411 | { |
3798 | { |
3412 | ++activecnt; |
3799 | ++activecnt; |
3413 | } |
3800 | } |
3414 | |
3801 | |
3415 | void |
3802 | void |
3416 | ev_unref (EV_P) EV_THROW |
3803 | ev_unref (EV_P) EV_NOEXCEPT |
3417 | { |
3804 | { |
3418 | --activecnt; |
3805 | --activecnt; |
3419 | } |
3806 | } |
3420 | |
3807 | |
3421 | void |
3808 | void |
3422 | ev_now_update (EV_P) EV_THROW |
3809 | ev_now_update (EV_P) EV_NOEXCEPT |
3423 | { |
3810 | { |
3424 | time_update (EV_A_ 1e100); |
3811 | time_update (EV_A_ 1e100); |
3425 | } |
3812 | } |
3426 | |
3813 | |
3427 | void |
3814 | void |
3428 | ev_suspend (EV_P) EV_THROW |
3815 | ev_suspend (EV_P) EV_NOEXCEPT |
3429 | { |
3816 | { |
3430 | ev_now_update (EV_A); |
3817 | ev_now_update (EV_A); |
3431 | } |
3818 | } |
3432 | |
3819 | |
3433 | void |
3820 | void |
3434 | ev_resume (EV_P) EV_THROW |
3821 | ev_resume (EV_P) EV_NOEXCEPT |
3435 | { |
3822 | { |
3436 | ev_tstamp mn_prev = mn_now; |
3823 | ev_tstamp mn_prev = mn_now; |
3437 | |
3824 | |
3438 | ev_now_update (EV_A); |
3825 | ev_now_update (EV_A); |
3439 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3826 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3478 | w->pending = 0; |
3865 | w->pending = 0; |
3479 | } |
3866 | } |
3480 | } |
3867 | } |
3481 | |
3868 | |
3482 | int |
3869 | int |
3483 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3870 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3484 | { |
3871 | { |
3485 | W w_ = (W)w; |
3872 | W w_ = (W)w; |
3486 | int pending = w_->pending; |
3873 | int pending = w_->pending; |
3487 | |
3874 | |
3488 | if (expect_true (pending)) |
3875 | if (expect_true (pending)) |
… | |
… | |
3520 | w->active = 0; |
3907 | w->active = 0; |
3521 | } |
3908 | } |
3522 | |
3909 | |
3523 | /*****************************************************************************/ |
3910 | /*****************************************************************************/ |
3524 | |
3911 | |
3525 | void noinline |
3912 | noinline |
|
|
3913 | void |
3526 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3914 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3527 | { |
3915 | { |
3528 | int fd = w->fd; |
3916 | int fd = w->fd; |
3529 | |
3917 | |
3530 | if (expect_false (ev_is_active (w))) |
3918 | if (expect_false (ev_is_active (w))) |
3531 | return; |
3919 | return; |
… | |
… | |
3534 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3922 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3535 | |
3923 | |
3536 | EV_FREQUENT_CHECK; |
3924 | EV_FREQUENT_CHECK; |
3537 | |
3925 | |
3538 | ev_start (EV_A_ (W)w, 1); |
3926 | ev_start (EV_A_ (W)w, 1); |
3539 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3927 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3540 | wlist_add (&anfds[fd].head, (WL)w); |
3928 | wlist_add (&anfds[fd].head, (WL)w); |
3541 | |
3929 | |
3542 | /* common bug, apparently */ |
3930 | /* common bug, apparently */ |
3543 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3931 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3544 | |
3932 | |
… | |
… | |
3546 | w->events &= ~EV__IOFDSET; |
3934 | w->events &= ~EV__IOFDSET; |
3547 | |
3935 | |
3548 | EV_FREQUENT_CHECK; |
3936 | EV_FREQUENT_CHECK; |
3549 | } |
3937 | } |
3550 | |
3938 | |
3551 | void noinline |
3939 | noinline |
|
|
3940 | void |
3552 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3941 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3553 | { |
3942 | { |
3554 | clear_pending (EV_A_ (W)w); |
3943 | clear_pending (EV_A_ (W)w); |
3555 | if (expect_false (!ev_is_active (w))) |
3944 | if (expect_false (!ev_is_active (w))) |
3556 | return; |
3945 | return; |
3557 | |
3946 | |
… | |
… | |
3565 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3954 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3566 | |
3955 | |
3567 | EV_FREQUENT_CHECK; |
3956 | EV_FREQUENT_CHECK; |
3568 | } |
3957 | } |
3569 | |
3958 | |
3570 | void noinline |
3959 | noinline |
|
|
3960 | void |
3571 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3961 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3572 | { |
3962 | { |
3573 | if (expect_false (ev_is_active (w))) |
3963 | if (expect_false (ev_is_active (w))) |
3574 | return; |
3964 | return; |
3575 | |
3965 | |
3576 | ev_at (w) += mn_now; |
3966 | ev_at (w) += mn_now; |
… | |
… | |
3579 | |
3969 | |
3580 | EV_FREQUENT_CHECK; |
3970 | EV_FREQUENT_CHECK; |
3581 | |
3971 | |
3582 | ++timercnt; |
3972 | ++timercnt; |
3583 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3973 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3584 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3974 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3585 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3975 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3586 | ANHE_at_cache (timers [ev_active (w)]); |
3976 | ANHE_at_cache (timers [ev_active (w)]); |
3587 | upheap (timers, ev_active (w)); |
3977 | upheap (timers, ev_active (w)); |
3588 | |
3978 | |
3589 | EV_FREQUENT_CHECK; |
3979 | EV_FREQUENT_CHECK; |
3590 | |
3980 | |
3591 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3981 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3592 | } |
3982 | } |
3593 | |
3983 | |
3594 | void noinline |
3984 | noinline |
|
|
3985 | void |
3595 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3986 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3596 | { |
3987 | { |
3597 | clear_pending (EV_A_ (W)w); |
3988 | clear_pending (EV_A_ (W)w); |
3598 | if (expect_false (!ev_is_active (w))) |
3989 | if (expect_false (!ev_is_active (w))) |
3599 | return; |
3990 | return; |
3600 | |
3991 | |
… | |
… | |
3619 | ev_stop (EV_A_ (W)w); |
4010 | ev_stop (EV_A_ (W)w); |
3620 | |
4011 | |
3621 | EV_FREQUENT_CHECK; |
4012 | EV_FREQUENT_CHECK; |
3622 | } |
4013 | } |
3623 | |
4014 | |
3624 | void noinline |
4015 | noinline |
|
|
4016 | void |
3625 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4017 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3626 | { |
4018 | { |
3627 | EV_FREQUENT_CHECK; |
4019 | EV_FREQUENT_CHECK; |
3628 | |
4020 | |
3629 | clear_pending (EV_A_ (W)w); |
4021 | clear_pending (EV_A_ (W)w); |
3630 | |
4022 | |
… | |
… | |
3647 | |
4039 | |
3648 | EV_FREQUENT_CHECK; |
4040 | EV_FREQUENT_CHECK; |
3649 | } |
4041 | } |
3650 | |
4042 | |
3651 | ev_tstamp |
4043 | ev_tstamp |
3652 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4044 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3653 | { |
4045 | { |
3654 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4046 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3655 | } |
4047 | } |
3656 | |
4048 | |
3657 | #if EV_PERIODIC_ENABLE |
4049 | #if EV_PERIODIC_ENABLE |
3658 | void noinline |
4050 | noinline |
|
|
4051 | void |
3659 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4052 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3660 | { |
4053 | { |
3661 | if (expect_false (ev_is_active (w))) |
4054 | if (expect_false (ev_is_active (w))) |
3662 | return; |
4055 | return; |
3663 | |
4056 | |
3664 | if (w->reschedule_cb) |
4057 | if (w->reschedule_cb) |
… | |
… | |
3673 | |
4066 | |
3674 | EV_FREQUENT_CHECK; |
4067 | EV_FREQUENT_CHECK; |
3675 | |
4068 | |
3676 | ++periodiccnt; |
4069 | ++periodiccnt; |
3677 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4070 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3678 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4071 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3679 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4072 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3680 | ANHE_at_cache (periodics [ev_active (w)]); |
4073 | ANHE_at_cache (periodics [ev_active (w)]); |
3681 | upheap (periodics, ev_active (w)); |
4074 | upheap (periodics, ev_active (w)); |
3682 | |
4075 | |
3683 | EV_FREQUENT_CHECK; |
4076 | EV_FREQUENT_CHECK; |
3684 | |
4077 | |
3685 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4078 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3686 | } |
4079 | } |
3687 | |
4080 | |
3688 | void noinline |
4081 | noinline |
|
|
4082 | void |
3689 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4083 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3690 | { |
4084 | { |
3691 | clear_pending (EV_A_ (W)w); |
4085 | clear_pending (EV_A_ (W)w); |
3692 | if (expect_false (!ev_is_active (w))) |
4086 | if (expect_false (!ev_is_active (w))) |
3693 | return; |
4087 | return; |
3694 | |
4088 | |
… | |
… | |
3711 | ev_stop (EV_A_ (W)w); |
4105 | ev_stop (EV_A_ (W)w); |
3712 | |
4106 | |
3713 | EV_FREQUENT_CHECK; |
4107 | EV_FREQUENT_CHECK; |
3714 | } |
4108 | } |
3715 | |
4109 | |
3716 | void noinline |
4110 | noinline |
|
|
4111 | void |
3717 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4112 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3718 | { |
4113 | { |
3719 | /* TODO: use adjustheap and recalculation */ |
4114 | /* TODO: use adjustheap and recalculation */ |
3720 | ev_periodic_stop (EV_A_ w); |
4115 | ev_periodic_stop (EV_A_ w); |
3721 | ev_periodic_start (EV_A_ w); |
4116 | ev_periodic_start (EV_A_ w); |
3722 | } |
4117 | } |
… | |
… | |
3726 | # define SA_RESTART 0 |
4121 | # define SA_RESTART 0 |
3727 | #endif |
4122 | #endif |
3728 | |
4123 | |
3729 | #if EV_SIGNAL_ENABLE |
4124 | #if EV_SIGNAL_ENABLE |
3730 | |
4125 | |
3731 | void noinline |
4126 | noinline |
|
|
4127 | void |
3732 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4128 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3733 | { |
4129 | { |
3734 | if (expect_false (ev_is_active (w))) |
4130 | if (expect_false (ev_is_active (w))) |
3735 | return; |
4131 | return; |
3736 | |
4132 | |
3737 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4133 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3808 | } |
4204 | } |
3809 | |
4205 | |
3810 | EV_FREQUENT_CHECK; |
4206 | EV_FREQUENT_CHECK; |
3811 | } |
4207 | } |
3812 | |
4208 | |
3813 | void noinline |
4209 | noinline |
|
|
4210 | void |
3814 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4211 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3815 | { |
4212 | { |
3816 | clear_pending (EV_A_ (W)w); |
4213 | clear_pending (EV_A_ (W)w); |
3817 | if (expect_false (!ev_is_active (w))) |
4214 | if (expect_false (!ev_is_active (w))) |
3818 | return; |
4215 | return; |
3819 | |
4216 | |
… | |
… | |
3850 | #endif |
4247 | #endif |
3851 | |
4248 | |
3852 | #if EV_CHILD_ENABLE |
4249 | #if EV_CHILD_ENABLE |
3853 | |
4250 | |
3854 | void |
4251 | void |
3855 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4252 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3856 | { |
4253 | { |
3857 | #if EV_MULTIPLICITY |
4254 | #if EV_MULTIPLICITY |
3858 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4255 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3859 | #endif |
4256 | #endif |
3860 | if (expect_false (ev_is_active (w))) |
4257 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3867 | |
4264 | |
3868 | EV_FREQUENT_CHECK; |
4265 | EV_FREQUENT_CHECK; |
3869 | } |
4266 | } |
3870 | |
4267 | |
3871 | void |
4268 | void |
3872 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4269 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3873 | { |
4270 | { |
3874 | clear_pending (EV_A_ (W)w); |
4271 | clear_pending (EV_A_ (W)w); |
3875 | if (expect_false (!ev_is_active (w))) |
4272 | if (expect_false (!ev_is_active (w))) |
3876 | return; |
4273 | return; |
3877 | |
4274 | |
… | |
… | |
3894 | |
4291 | |
3895 | #define DEF_STAT_INTERVAL 5.0074891 |
4292 | #define DEF_STAT_INTERVAL 5.0074891 |
3896 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4293 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3897 | #define MIN_STAT_INTERVAL 0.1074891 |
4294 | #define MIN_STAT_INTERVAL 0.1074891 |
3898 | |
4295 | |
3899 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4296 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3900 | |
4297 | |
3901 | #if EV_USE_INOTIFY |
4298 | #if EV_USE_INOTIFY |
3902 | |
4299 | |
3903 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4300 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3904 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4301 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3905 | |
4302 | |
3906 | static void noinline |
4303 | noinline |
|
|
4304 | static void |
3907 | infy_add (EV_P_ ev_stat *w) |
4305 | infy_add (EV_P_ ev_stat *w) |
3908 | { |
4306 | { |
3909 | w->wd = inotify_add_watch (fs_fd, w->path, |
4307 | w->wd = inotify_add_watch (fs_fd, w->path, |
3910 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4308 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3911 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4309 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
3975 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4373 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3976 | ev_timer_again (EV_A_ &w->timer); |
4374 | ev_timer_again (EV_A_ &w->timer); |
3977 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4375 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3978 | } |
4376 | } |
3979 | |
4377 | |
3980 | static void noinline |
4378 | noinline |
|
|
4379 | static void |
3981 | infy_del (EV_P_ ev_stat *w) |
4380 | infy_del (EV_P_ ev_stat *w) |
3982 | { |
4381 | { |
3983 | int slot; |
4382 | int slot; |
3984 | int wd = w->wd; |
4383 | int wd = w->wd; |
3985 | |
4384 | |
… | |
… | |
3992 | |
4391 | |
3993 | /* remove this watcher, if others are watching it, they will rearm */ |
4392 | /* remove this watcher, if others are watching it, they will rearm */ |
3994 | inotify_rm_watch (fs_fd, wd); |
4393 | inotify_rm_watch (fs_fd, wd); |
3995 | } |
4394 | } |
3996 | |
4395 | |
3997 | static void noinline |
4396 | noinline |
|
|
4397 | static void |
3998 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4398 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3999 | { |
4399 | { |
4000 | if (slot < 0) |
4400 | if (slot < 0) |
4001 | /* overflow, need to check for all hash slots */ |
4401 | /* overflow, need to check for all hash slots */ |
4002 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4402 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4038 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4438 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4039 | ofs += sizeof (struct inotify_event) + ev->len; |
4439 | ofs += sizeof (struct inotify_event) + ev->len; |
4040 | } |
4440 | } |
4041 | } |
4441 | } |
4042 | |
4442 | |
4043 | inline_size void ecb_cold |
4443 | inline_size ecb_cold |
|
|
4444 | void |
4044 | ev_check_2625 (EV_P) |
4445 | ev_check_2625 (EV_P) |
4045 | { |
4446 | { |
4046 | /* kernels < 2.6.25 are borked |
4447 | /* kernels < 2.6.25 are borked |
4047 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4448 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4048 | */ |
4449 | */ |
… | |
… | |
4138 | #else |
4539 | #else |
4139 | # define EV_LSTAT(p,b) lstat (p, b) |
4540 | # define EV_LSTAT(p,b) lstat (p, b) |
4140 | #endif |
4541 | #endif |
4141 | |
4542 | |
4142 | void |
4543 | void |
4143 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4544 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4144 | { |
4545 | { |
4145 | if (lstat (w->path, &w->attr) < 0) |
4546 | if (lstat (w->path, &w->attr) < 0) |
4146 | w->attr.st_nlink = 0; |
4547 | w->attr.st_nlink = 0; |
4147 | else if (!w->attr.st_nlink) |
4548 | else if (!w->attr.st_nlink) |
4148 | w->attr.st_nlink = 1; |
4549 | w->attr.st_nlink = 1; |
4149 | } |
4550 | } |
4150 | |
4551 | |
4151 | static void noinline |
4552 | noinline |
|
|
4553 | static void |
4152 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4554 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4153 | { |
4555 | { |
4154 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4556 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4155 | |
4557 | |
4156 | ev_statdata prev = w->attr; |
4558 | ev_statdata prev = w->attr; |
… | |
… | |
4187 | ev_feed_event (EV_A_ w, EV_STAT); |
4589 | ev_feed_event (EV_A_ w, EV_STAT); |
4188 | } |
4590 | } |
4189 | } |
4591 | } |
4190 | |
4592 | |
4191 | void |
4593 | void |
4192 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4594 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4193 | { |
4595 | { |
4194 | if (expect_false (ev_is_active (w))) |
4596 | if (expect_false (ev_is_active (w))) |
4195 | return; |
4597 | return; |
4196 | |
4598 | |
4197 | ev_stat_stat (EV_A_ w); |
4599 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4218 | |
4620 | |
4219 | EV_FREQUENT_CHECK; |
4621 | EV_FREQUENT_CHECK; |
4220 | } |
4622 | } |
4221 | |
4623 | |
4222 | void |
4624 | void |
4223 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4625 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4224 | { |
4626 | { |
4225 | clear_pending (EV_A_ (W)w); |
4627 | clear_pending (EV_A_ (W)w); |
4226 | if (expect_false (!ev_is_active (w))) |
4628 | if (expect_false (!ev_is_active (w))) |
4227 | return; |
4629 | return; |
4228 | |
4630 | |
… | |
… | |
4244 | } |
4646 | } |
4245 | #endif |
4647 | #endif |
4246 | |
4648 | |
4247 | #if EV_IDLE_ENABLE |
4649 | #if EV_IDLE_ENABLE |
4248 | void |
4650 | void |
4249 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4651 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4250 | { |
4652 | { |
4251 | if (expect_false (ev_is_active (w))) |
4653 | if (expect_false (ev_is_active (w))) |
4252 | return; |
4654 | return; |
4253 | |
4655 | |
4254 | pri_adjust (EV_A_ (W)w); |
4656 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4259 | int active = ++idlecnt [ABSPRI (w)]; |
4661 | int active = ++idlecnt [ABSPRI (w)]; |
4260 | |
4662 | |
4261 | ++idleall; |
4663 | ++idleall; |
4262 | ev_start (EV_A_ (W)w, active); |
4664 | ev_start (EV_A_ (W)w, active); |
4263 | |
4665 | |
4264 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4666 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4265 | idles [ABSPRI (w)][active - 1] = w; |
4667 | idles [ABSPRI (w)][active - 1] = w; |
4266 | } |
4668 | } |
4267 | |
4669 | |
4268 | EV_FREQUENT_CHECK; |
4670 | EV_FREQUENT_CHECK; |
4269 | } |
4671 | } |
4270 | |
4672 | |
4271 | void |
4673 | void |
4272 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4674 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4273 | { |
4675 | { |
4274 | clear_pending (EV_A_ (W)w); |
4676 | clear_pending (EV_A_ (W)w); |
4275 | if (expect_false (!ev_is_active (w))) |
4677 | if (expect_false (!ev_is_active (w))) |
4276 | return; |
4678 | return; |
4277 | |
4679 | |
… | |
… | |
4291 | } |
4693 | } |
4292 | #endif |
4694 | #endif |
4293 | |
4695 | |
4294 | #if EV_PREPARE_ENABLE |
4696 | #if EV_PREPARE_ENABLE |
4295 | void |
4697 | void |
4296 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4698 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4297 | { |
4699 | { |
4298 | if (expect_false (ev_is_active (w))) |
4700 | if (expect_false (ev_is_active (w))) |
4299 | return; |
4701 | return; |
4300 | |
4702 | |
4301 | EV_FREQUENT_CHECK; |
4703 | EV_FREQUENT_CHECK; |
4302 | |
4704 | |
4303 | ev_start (EV_A_ (W)w, ++preparecnt); |
4705 | ev_start (EV_A_ (W)w, ++preparecnt); |
4304 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4706 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4305 | prepares [preparecnt - 1] = w; |
4707 | prepares [preparecnt - 1] = w; |
4306 | |
4708 | |
4307 | EV_FREQUENT_CHECK; |
4709 | EV_FREQUENT_CHECK; |
4308 | } |
4710 | } |
4309 | |
4711 | |
4310 | void |
4712 | void |
4311 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4713 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4312 | { |
4714 | { |
4313 | clear_pending (EV_A_ (W)w); |
4715 | clear_pending (EV_A_ (W)w); |
4314 | if (expect_false (!ev_is_active (w))) |
4716 | if (expect_false (!ev_is_active (w))) |
4315 | return; |
4717 | return; |
4316 | |
4718 | |
… | |
… | |
4329 | } |
4731 | } |
4330 | #endif |
4732 | #endif |
4331 | |
4733 | |
4332 | #if EV_CHECK_ENABLE |
4734 | #if EV_CHECK_ENABLE |
4333 | void |
4735 | void |
4334 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4736 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4335 | { |
4737 | { |
4336 | if (expect_false (ev_is_active (w))) |
4738 | if (expect_false (ev_is_active (w))) |
4337 | return; |
4739 | return; |
4338 | |
4740 | |
4339 | EV_FREQUENT_CHECK; |
4741 | EV_FREQUENT_CHECK; |
4340 | |
4742 | |
4341 | ev_start (EV_A_ (W)w, ++checkcnt); |
4743 | ev_start (EV_A_ (W)w, ++checkcnt); |
4342 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4744 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4343 | checks [checkcnt - 1] = w; |
4745 | checks [checkcnt - 1] = w; |
4344 | |
4746 | |
4345 | EV_FREQUENT_CHECK; |
4747 | EV_FREQUENT_CHECK; |
4346 | } |
4748 | } |
4347 | |
4749 | |
4348 | void |
4750 | void |
4349 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4751 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4350 | { |
4752 | { |
4351 | clear_pending (EV_A_ (W)w); |
4753 | clear_pending (EV_A_ (W)w); |
4352 | if (expect_false (!ev_is_active (w))) |
4754 | if (expect_false (!ev_is_active (w))) |
4353 | return; |
4755 | return; |
4354 | |
4756 | |
… | |
… | |
4366 | EV_FREQUENT_CHECK; |
4768 | EV_FREQUENT_CHECK; |
4367 | } |
4769 | } |
4368 | #endif |
4770 | #endif |
4369 | |
4771 | |
4370 | #if EV_EMBED_ENABLE |
4772 | #if EV_EMBED_ENABLE |
4371 | void noinline |
4773 | noinline |
|
|
4774 | void |
4372 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4775 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4373 | { |
4776 | { |
4374 | ev_run (w->other, EVRUN_NOWAIT); |
4777 | ev_run (w->other, EVRUN_NOWAIT); |
4375 | } |
4778 | } |
4376 | |
4779 | |
4377 | static void |
4780 | static void |
… | |
… | |
4425 | ev_idle_stop (EV_A_ idle); |
4828 | ev_idle_stop (EV_A_ idle); |
4426 | } |
4829 | } |
4427 | #endif |
4830 | #endif |
4428 | |
4831 | |
4429 | void |
4832 | void |
4430 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4833 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4431 | { |
4834 | { |
4432 | if (expect_false (ev_is_active (w))) |
4835 | if (expect_false (ev_is_active (w))) |
4433 | return; |
4836 | return; |
4434 | |
4837 | |
4435 | { |
4838 | { |
… | |
… | |
4456 | |
4859 | |
4457 | EV_FREQUENT_CHECK; |
4860 | EV_FREQUENT_CHECK; |
4458 | } |
4861 | } |
4459 | |
4862 | |
4460 | void |
4863 | void |
4461 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4864 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4462 | { |
4865 | { |
4463 | clear_pending (EV_A_ (W)w); |
4866 | clear_pending (EV_A_ (W)w); |
4464 | if (expect_false (!ev_is_active (w))) |
4867 | if (expect_false (!ev_is_active (w))) |
4465 | return; |
4868 | return; |
4466 | |
4869 | |
… | |
… | |
4476 | } |
4879 | } |
4477 | #endif |
4880 | #endif |
4478 | |
4881 | |
4479 | #if EV_FORK_ENABLE |
4882 | #if EV_FORK_ENABLE |
4480 | void |
4883 | void |
4481 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4884 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4482 | { |
4885 | { |
4483 | if (expect_false (ev_is_active (w))) |
4886 | if (expect_false (ev_is_active (w))) |
4484 | return; |
4887 | return; |
4485 | |
4888 | |
4486 | EV_FREQUENT_CHECK; |
4889 | EV_FREQUENT_CHECK; |
4487 | |
4890 | |
4488 | ev_start (EV_A_ (W)w, ++forkcnt); |
4891 | ev_start (EV_A_ (W)w, ++forkcnt); |
4489 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4892 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4490 | forks [forkcnt - 1] = w; |
4893 | forks [forkcnt - 1] = w; |
4491 | |
4894 | |
4492 | EV_FREQUENT_CHECK; |
4895 | EV_FREQUENT_CHECK; |
4493 | } |
4896 | } |
4494 | |
4897 | |
4495 | void |
4898 | void |
4496 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4899 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4497 | { |
4900 | { |
4498 | clear_pending (EV_A_ (W)w); |
4901 | clear_pending (EV_A_ (W)w); |
4499 | if (expect_false (!ev_is_active (w))) |
4902 | if (expect_false (!ev_is_active (w))) |
4500 | return; |
4903 | return; |
4501 | |
4904 | |
… | |
… | |
4514 | } |
4917 | } |
4515 | #endif |
4918 | #endif |
4516 | |
4919 | |
4517 | #if EV_CLEANUP_ENABLE |
4920 | #if EV_CLEANUP_ENABLE |
4518 | void |
4921 | void |
4519 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4922 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4520 | { |
4923 | { |
4521 | if (expect_false (ev_is_active (w))) |
4924 | if (expect_false (ev_is_active (w))) |
4522 | return; |
4925 | return; |
4523 | |
4926 | |
4524 | EV_FREQUENT_CHECK; |
4927 | EV_FREQUENT_CHECK; |
4525 | |
4928 | |
4526 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4929 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4527 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4930 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4528 | cleanups [cleanupcnt - 1] = w; |
4931 | cleanups [cleanupcnt - 1] = w; |
4529 | |
4932 | |
4530 | /* cleanup watchers should never keep a refcount on the loop */ |
4933 | /* cleanup watchers should never keep a refcount on the loop */ |
4531 | ev_unref (EV_A); |
4934 | ev_unref (EV_A); |
4532 | EV_FREQUENT_CHECK; |
4935 | EV_FREQUENT_CHECK; |
4533 | } |
4936 | } |
4534 | |
4937 | |
4535 | void |
4938 | void |
4536 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4939 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4537 | { |
4940 | { |
4538 | clear_pending (EV_A_ (W)w); |
4941 | clear_pending (EV_A_ (W)w); |
4539 | if (expect_false (!ev_is_active (w))) |
4942 | if (expect_false (!ev_is_active (w))) |
4540 | return; |
4943 | return; |
4541 | |
4944 | |
… | |
… | |
4555 | } |
4958 | } |
4556 | #endif |
4959 | #endif |
4557 | |
4960 | |
4558 | #if EV_ASYNC_ENABLE |
4961 | #if EV_ASYNC_ENABLE |
4559 | void |
4962 | void |
4560 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4963 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4561 | { |
4964 | { |
4562 | if (expect_false (ev_is_active (w))) |
4965 | if (expect_false (ev_is_active (w))) |
4563 | return; |
4966 | return; |
4564 | |
4967 | |
4565 | w->sent = 0; |
4968 | w->sent = 0; |
… | |
… | |
4567 | evpipe_init (EV_A); |
4970 | evpipe_init (EV_A); |
4568 | |
4971 | |
4569 | EV_FREQUENT_CHECK; |
4972 | EV_FREQUENT_CHECK; |
4570 | |
4973 | |
4571 | ev_start (EV_A_ (W)w, ++asynccnt); |
4974 | ev_start (EV_A_ (W)w, ++asynccnt); |
4572 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4975 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4573 | asyncs [asynccnt - 1] = w; |
4976 | asyncs [asynccnt - 1] = w; |
4574 | |
4977 | |
4575 | EV_FREQUENT_CHECK; |
4978 | EV_FREQUENT_CHECK; |
4576 | } |
4979 | } |
4577 | |
4980 | |
4578 | void |
4981 | void |
4579 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4982 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4580 | { |
4983 | { |
4581 | clear_pending (EV_A_ (W)w); |
4984 | clear_pending (EV_A_ (W)w); |
4582 | if (expect_false (!ev_is_active (w))) |
4985 | if (expect_false (!ev_is_active (w))) |
4583 | return; |
4986 | return; |
4584 | |
4987 | |
… | |
… | |
4595 | |
4998 | |
4596 | EV_FREQUENT_CHECK; |
4999 | EV_FREQUENT_CHECK; |
4597 | } |
5000 | } |
4598 | |
5001 | |
4599 | void |
5002 | void |
4600 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5003 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4601 | { |
5004 | { |
4602 | w->sent = 1; |
5005 | w->sent = 1; |
4603 | evpipe_write (EV_A_ &async_pending); |
5006 | evpipe_write (EV_A_ &async_pending); |
4604 | } |
5007 | } |
4605 | #endif |
5008 | #endif |
… | |
… | |
4642 | |
5045 | |
4643 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5046 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4644 | } |
5047 | } |
4645 | |
5048 | |
4646 | void |
5049 | void |
4647 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5050 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4648 | { |
5051 | { |
4649 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5052 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4650 | |
|
|
4651 | if (expect_false (!once)) |
|
|
4652 | { |
|
|
4653 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4654 | return; |
|
|
4655 | } |
|
|
4656 | |
5053 | |
4657 | once->cb = cb; |
5054 | once->cb = cb; |
4658 | once->arg = arg; |
5055 | once->arg = arg; |
4659 | |
5056 | |
4660 | ev_init (&once->io, once_cb_io); |
5057 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4673 | } |
5070 | } |
4674 | |
5071 | |
4675 | /*****************************************************************************/ |
5072 | /*****************************************************************************/ |
4676 | |
5073 | |
4677 | #if EV_WALK_ENABLE |
5074 | #if EV_WALK_ENABLE |
4678 | void ecb_cold |
5075 | ecb_cold |
|
|
5076 | void |
4679 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5077 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4680 | { |
5078 | { |
4681 | int i, j; |
5079 | int i, j; |
4682 | ev_watcher_list *wl, *wn; |
5080 | ev_watcher_list *wl, *wn; |
4683 | |
5081 | |
4684 | if (types & (EV_IO | EV_EMBED)) |
5082 | if (types & (EV_IO | EV_EMBED)) |