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 |
… | |
… | |
408 | |
433 | |
409 | #if !EV_USE_NANOSLEEP |
434 | #if !EV_USE_NANOSLEEP |
410 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
411 | # if !defined _WIN32 && !defined __hpux |
436 | # if !defined _WIN32 && !defined __hpux |
412 | # include <sys/select.h> |
437 | # include <sys/select.h> |
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438 | # endif |
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439 | #endif |
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440 | |
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441 | #if EV_USE_LINUXAIO |
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442 | # include <sys/syscall.h> |
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443 | # if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */ |
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444 | # undef EV_USE_LINUXAIO |
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445 | # define EV_USE_LINUXAIO 0 |
413 | # endif |
446 | # endif |
414 | #endif |
447 | #endif |
415 | |
448 | |
416 | #if EV_USE_INOTIFY |
449 | #if EV_USE_INOTIFY |
417 | # include <sys/statfs.h> |
450 | # include <sys/statfs.h> |
… | |
… | |
485 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
518 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
486 | /* ECB.H BEGIN */ |
519 | /* ECB.H BEGIN */ |
487 | /* |
520 | /* |
488 | * libecb - http://software.schmorp.de/pkg/libecb |
521 | * libecb - http://software.schmorp.de/pkg/libecb |
489 | * |
522 | * |
490 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
523 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
491 | * Copyright (©) 2011 Emanuele Giaquinta |
524 | * Copyright (©) 2011 Emanuele Giaquinta |
492 | * All rights reserved. |
525 | * All rights reserved. |
493 | * |
526 | * |
494 | * Redistribution and use in source and binary forms, with or without modifica- |
527 | * Redistribution and use in source and binary forms, with or without modifica- |
495 | * tion, are permitted provided that the following conditions are met: |
528 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
509 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
542 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
510 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
543 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
511 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
544 | * 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 |
545 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
513 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
546 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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547 | * |
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548 | * Alternatively, the contents of this file may be used under the terms of |
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549 | * the GNU General Public License ("GPL") version 2 or any later version, |
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550 | * in which case the provisions of the GPL are applicable instead of |
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551 | * the above. If you wish to allow the use of your version of this file |
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552 | * only under the terms of the GPL and not to allow others to use your |
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553 | * version of this file under the BSD license, indicate your decision |
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554 | * by deleting the provisions above and replace them with the notice |
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555 | * and other provisions required by the GPL. If you do not delete the |
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556 | * provisions above, a recipient may use your version of this file under |
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557 | * either the BSD or the GPL. |
514 | */ |
558 | */ |
515 | |
559 | |
516 | #ifndef ECB_H |
560 | #ifndef ECB_H |
517 | #define ECB_H |
561 | #define ECB_H |
518 | |
562 | |
519 | /* 16 bits major, 16 bits minor */ |
563 | /* 16 bits major, 16 bits minor */ |
520 | #define ECB_VERSION 0x00010003 |
564 | #define ECB_VERSION 0x00010006 |
521 | |
565 | |
522 | #ifdef _WIN32 |
566 | #ifdef _WIN32 |
523 | typedef signed char int8_t; |
567 | typedef signed char int8_t; |
524 | typedef unsigned char uint8_t; |
568 | typedef unsigned char uint8_t; |
525 | typedef signed short int16_t; |
569 | typedef signed short int16_t; |
… | |
… | |
542 | typedef uint32_t uintptr_t; |
586 | typedef uint32_t uintptr_t; |
543 | typedef int32_t intptr_t; |
587 | typedef int32_t intptr_t; |
544 | #endif |
588 | #endif |
545 | #else |
589 | #else |
546 | #include <inttypes.h> |
590 | #include <inttypes.h> |
547 | #if UINTMAX_MAX > 0xffffffffU |
591 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
548 | #define ECB_PTRSIZE 8 |
592 | #define ECB_PTRSIZE 8 |
549 | #else |
593 | #else |
550 | #define ECB_PTRSIZE 4 |
594 | #define ECB_PTRSIZE 4 |
551 | #endif |
595 | #endif |
552 | #endif |
596 | #endif |
553 | |
597 | |
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598 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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599 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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600 | |
554 | /* work around x32 idiocy by defining proper macros */ |
601 | /* work around x32 idiocy by defining proper macros */ |
555 | #if __x86_64 || _M_AMD64 |
602 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
556 | #if _ILP32 |
603 | #if _ILP32 |
557 | #define ECB_AMD64_X32 1 |
604 | #define ECB_AMD64_X32 1 |
558 | #else |
605 | #else |
559 | #define ECB_AMD64 1 |
606 | #define ECB_AMD64 1 |
560 | #endif |
607 | #endif |
… | |
… | |
565 | * causing enormous grief in return for some better fake benchmark numbers. |
612 | * causing enormous grief in return for some better fake benchmark numbers. |
566 | * or so. |
613 | * or so. |
567 | * we try to detect these and simply assume they are not gcc - if they have |
614 | * we try to detect these and simply assume they are not gcc - if they have |
568 | * an issue with that they should have done it right in the first place. |
615 | * an issue with that they should have done it right in the first place. |
569 | */ |
616 | */ |
570 | #ifndef ECB_GCC_VERSION |
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571 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
617 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
572 | #define ECB_GCC_VERSION(major,minor) 0 |
618 | #define ECB_GCC_VERSION(major,minor) 0 |
573 | #else |
619 | #else |
574 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
620 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
575 | #endif |
621 | #endif |
576 | #endif |
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577 | |
622 | |
578 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
623 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
579 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
624 | |
580 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
625 | #if __clang__ && defined __has_builtin |
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626 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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627 | #else |
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628 | #define ECB_CLANG_BUILTIN(x) 0 |
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629 | #endif |
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630 | |
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631 | #if __clang__ && defined __has_extension |
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632 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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633 | #else |
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634 | #define ECB_CLANG_EXTENSION(x) 0 |
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635 | #endif |
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636 | |
581 | #define ECB_CPP (__cplusplus+0) |
637 | #define ECB_CPP (__cplusplus+0) |
582 | #define ECB_CPP11 (__cplusplus >= 201103L) |
638 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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639 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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640 | #define ECB_CPP17 (__cplusplus >= 201703L) |
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641 | |
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642 | #if ECB_CPP |
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643 | #define ECB_C 0 |
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644 | #define ECB_STDC_VERSION 0 |
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645 | #else |
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646 | #define ECB_C 1 |
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647 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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648 | #endif |
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649 | |
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650 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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651 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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652 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
583 | |
653 | |
584 | #if ECB_CPP |
654 | #if ECB_CPP |
585 | #define ECB_EXTERN_C extern "C" |
655 | #define ECB_EXTERN_C extern "C" |
586 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
656 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
587 | #define ECB_EXTERN_C_END } |
657 | #define ECB_EXTERN_C_END } |
… | |
… | |
602 | |
672 | |
603 | #if ECB_NO_SMP |
673 | #if ECB_NO_SMP |
604 | #define ECB_MEMORY_FENCE do { } while (0) |
674 | #define ECB_MEMORY_FENCE do { } while (0) |
605 | #endif |
675 | #endif |
606 | |
676 | |
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677 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
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678 | #if __xlC__ && ECB_CPP |
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679 | #include <builtins.h> |
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680 | #endif |
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681 | |
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682 | #if 1400 <= _MSC_VER |
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683 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
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684 | #endif |
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685 | |
607 | #ifndef ECB_MEMORY_FENCE |
686 | #ifndef ECB_MEMORY_FENCE |
608 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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688 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
609 | #if __i386 || __i386__ |
689 | #if __i386 || __i386__ |
610 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
690 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
611 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
691 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
612 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
692 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
613 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
693 | #elif ECB_GCC_AMD64 |
614 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
694 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
615 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
695 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
616 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
696 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
617 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
697 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
618 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
698 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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699 | #elif defined __ARM_ARCH_2__ \ |
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700 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
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701 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
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702 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
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703 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
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704 | || defined __ARM_ARCH_5TEJ__ |
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|
705 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
619 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
706 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
620 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
707 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
708 | || defined __ARM_ARCH_6T2__ |
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
709 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
622 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
710 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
623 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
711 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
624 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
712 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
625 | #elif __sparc || __sparc__ |
713 | #elif __aarch64__ |
|
|
714 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
715 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
626 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
716 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
717 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
718 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
629 | #elif defined __s390__ || defined __s390x__ |
719 | #elif defined __s390__ || defined __s390x__ |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
720 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
651 | |
741 | |
652 | #ifndef ECB_MEMORY_FENCE |
742 | #ifndef ECB_MEMORY_FENCE |
653 | #if ECB_GCC_VERSION(4,7) |
743 | #if ECB_GCC_VERSION(4,7) |
654 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
744 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
655 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
745 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
746 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
747 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
748 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
656 | |
749 | |
657 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
750 | #elif ECB_CLANG_EXTENSION(c_atomic) |
658 | * without risking compile time errors with other compilers. We *could* |
|
|
659 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
660 | * around this shit time and again. |
|
|
661 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
662 | * // see comment below (stdatomic.h) about the C11 memory model. |
751 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
663 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
752 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
664 | */ |
753 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
754 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
755 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
665 | |
756 | |
666 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
757 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
667 | #define ECB_MEMORY_FENCE __sync_synchronize () |
758 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
759 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
760 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
761 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
762 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
763 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
764 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
668 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
765 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
669 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
766 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
670 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
767 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
671 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
768 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
672 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
769 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
673 | #elif defined _WIN32 |
770 | #elif defined _WIN32 |
674 | #include <WinNT.h> |
771 | #include <WinNT.h> |
675 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
772 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
676 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
773 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
677 | #include <mbarrier.h> |
774 | #include <mbarrier.h> |
678 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
775 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
679 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
776 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
680 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
777 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
778 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
681 | #elif __xlC__ |
779 | #elif __xlC__ |
682 | #define ECB_MEMORY_FENCE __sync () |
780 | #define ECB_MEMORY_FENCE __sync () |
683 | #endif |
781 | #endif |
684 | #endif |
782 | #endif |
685 | |
783 | |
686 | #ifndef ECB_MEMORY_FENCE |
784 | #ifndef ECB_MEMORY_FENCE |
687 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
785 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
688 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
786 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
689 | /* not just C11 atomics and atomic accesses */ |
787 | /* not just C11 atomics and atomic accesses */ |
690 | #include <stdatomic.h> |
788 | #include <stdatomic.h> |
691 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
692 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
693 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
694 | /* for most usages, or gcc and clang have a bug */ |
|
|
695 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
696 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
697 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
789 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
790 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
791 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
698 | #endif |
792 | #endif |
699 | #endif |
793 | #endif |
700 | |
794 | |
701 | #ifndef ECB_MEMORY_FENCE |
795 | #ifndef ECB_MEMORY_FENCE |
702 | #if !ECB_AVOID_PTHREADS |
796 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
722 | |
816 | |
723 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
817 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
724 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
818 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
725 | #endif |
819 | #endif |
726 | |
820 | |
|
|
821 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
822 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
|
|
823 | #endif |
|
|
824 | |
727 | /*****************************************************************************/ |
825 | /*****************************************************************************/ |
728 | |
826 | |
729 | #if __cplusplus |
827 | #if ECB_CPP |
730 | #define ecb_inline static inline |
828 | #define ecb_inline static inline |
731 | #elif ECB_GCC_VERSION(2,5) |
829 | #elif ECB_GCC_VERSION(2,5) |
732 | #define ecb_inline static __inline__ |
830 | #define ecb_inline static __inline__ |
733 | #elif ECB_C99 |
831 | #elif ECB_C99 |
734 | #define ecb_inline static inline |
832 | #define ecb_inline static inline |
… | |
… | |
748 | |
846 | |
749 | #define ECB_CONCAT_(a, b) a ## b |
847 | #define ECB_CONCAT_(a, b) a ## b |
750 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
848 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
751 | #define ECB_STRINGIFY_(a) # a |
849 | #define ECB_STRINGIFY_(a) # a |
752 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
850 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
851 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
753 | |
852 | |
754 | #define ecb_function_ ecb_inline |
853 | #define ecb_function_ ecb_inline |
755 | |
854 | |
756 | #if ECB_GCC_VERSION(3,1) |
855 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
757 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
856 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
857 | #else |
|
|
858 | #define ecb_attribute(attrlist) |
|
|
859 | #endif |
|
|
860 | |
|
|
861 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
758 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
862 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
863 | #else |
|
|
864 | /* possible C11 impl for integral types |
|
|
865 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
866 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
867 | |
|
|
868 | #define ecb_is_constant(expr) 0 |
|
|
869 | #endif |
|
|
870 | |
|
|
871 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
759 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
872 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
873 | #else |
|
|
874 | #define ecb_expect(expr,value) (expr) |
|
|
875 | #endif |
|
|
876 | |
|
|
877 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
760 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
878 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
761 | #else |
879 | #else |
762 | #define ecb_attribute(attrlist) |
|
|
763 | #define ecb_is_constant(expr) 0 |
|
|
764 | #define ecb_expect(expr,value) (expr) |
|
|
765 | #define ecb_prefetch(addr,rw,locality) |
880 | #define ecb_prefetch(addr,rw,locality) |
766 | #endif |
881 | #endif |
767 | |
882 | |
768 | /* no emulation for ecb_decltype */ |
883 | /* no emulation for ecb_decltype */ |
769 | #if ECB_GCC_VERSION(4,5) |
884 | #if ECB_CPP11 |
|
|
885 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
886 | template<class T> struct ecb_decltype_t { typedef T type; }; |
770 | #define ecb_decltype(x) __decltype(x) |
887 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
771 | #elif ECB_GCC_VERSION(3,0) |
888 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
772 | #define ecb_decltype(x) __typeof(x) |
889 | #define ecb_decltype(x) __typeof__ (x) |
773 | #endif |
890 | #endif |
774 | |
891 | |
|
|
892 | #if _MSC_VER >= 1300 |
|
|
893 | #define ecb_deprecated __declspec (deprecated) |
|
|
894 | #else |
|
|
895 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
896 | #endif |
|
|
897 | |
|
|
898 | #if _MSC_VER >= 1500 |
|
|
899 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
900 | #elif ECB_GCC_VERSION(4,5) |
|
|
901 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
902 | #else |
|
|
903 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
904 | #endif |
|
|
905 | |
|
|
906 | #if _MSC_VER >= 1400 |
|
|
907 | #define ecb_noinline __declspec (noinline) |
|
|
908 | #else |
775 | #define ecb_noinline ecb_attribute ((__noinline__)) |
909 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
910 | #endif |
|
|
911 | |
776 | #define ecb_unused ecb_attribute ((__unused__)) |
912 | #define ecb_unused ecb_attribute ((__unused__)) |
777 | #define ecb_const ecb_attribute ((__const__)) |
913 | #define ecb_const ecb_attribute ((__const__)) |
778 | #define ecb_pure ecb_attribute ((__pure__)) |
914 | #define ecb_pure ecb_attribute ((__pure__)) |
779 | |
915 | |
780 | #if ECB_C11 |
916 | #if ECB_C11 || __IBMC_NORETURN |
|
|
917 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
781 | #define ecb_noreturn _Noreturn |
918 | #define ecb_noreturn _Noreturn |
|
|
919 | #elif ECB_CPP11 |
|
|
920 | #define ecb_noreturn [[noreturn]] |
|
|
921 | #elif _MSC_VER >= 1200 |
|
|
922 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
923 | #define ecb_noreturn __declspec (noreturn) |
782 | #else |
924 | #else |
783 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
925 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
784 | #endif |
926 | #endif |
785 | |
927 | |
786 | #if ECB_GCC_VERSION(4,3) |
928 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
801 | /* for compatibility to the rest of the world */ |
943 | /* for compatibility to the rest of the world */ |
802 | #define ecb_likely(expr) ecb_expect_true (expr) |
944 | #define ecb_likely(expr) ecb_expect_true (expr) |
803 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
945 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
804 | |
946 | |
805 | /* count trailing zero bits and count # of one bits */ |
947 | /* count trailing zero bits and count # of one bits */ |
806 | #if ECB_GCC_VERSION(3,4) |
948 | #if ECB_GCC_VERSION(3,4) \ |
|
|
949 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
950 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
951 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
807 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
952 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
808 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
953 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
809 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
954 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
810 | #define ecb_ctz32(x) __builtin_ctz (x) |
955 | #define ecb_ctz32(x) __builtin_ctz (x) |
811 | #define ecb_ctz64(x) __builtin_ctzll (x) |
956 | #define ecb_ctz64(x) __builtin_ctzll (x) |
812 | #define ecb_popcount32(x) __builtin_popcount (x) |
957 | #define ecb_popcount32(x) __builtin_popcount (x) |
813 | /* no popcountll */ |
958 | /* no popcountll */ |
814 | #else |
959 | #else |
815 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
960 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
816 | ecb_function_ int |
961 | ecb_function_ ecb_const int |
817 | ecb_ctz32 (uint32_t x) |
962 | ecb_ctz32 (uint32_t x) |
818 | { |
963 | { |
|
|
964 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
965 | unsigned long r; |
|
|
966 | _BitScanForward (&r, x); |
|
|
967 | return (int)r; |
|
|
968 | #else |
819 | int r = 0; |
969 | int r = 0; |
820 | |
970 | |
821 | x &= ~x + 1; /* this isolates the lowest bit */ |
971 | x &= ~x + 1; /* this isolates the lowest bit */ |
822 | |
972 | |
823 | #if ECB_branchless_on_i386 |
973 | #if ECB_branchless_on_i386 |
… | |
… | |
833 | if (x & 0xff00ff00) r += 8; |
983 | if (x & 0xff00ff00) r += 8; |
834 | if (x & 0xffff0000) r += 16; |
984 | if (x & 0xffff0000) r += 16; |
835 | #endif |
985 | #endif |
836 | |
986 | |
837 | return r; |
987 | return r; |
|
|
988 | #endif |
838 | } |
989 | } |
839 | |
990 | |
840 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
991 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
841 | ecb_function_ int |
992 | ecb_function_ ecb_const int |
842 | ecb_ctz64 (uint64_t x) |
993 | ecb_ctz64 (uint64_t x) |
843 | { |
994 | { |
|
|
995 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
996 | unsigned long r; |
|
|
997 | _BitScanForward64 (&r, x); |
|
|
998 | return (int)r; |
|
|
999 | #else |
844 | int shift = x & 0xffffffffU ? 0 : 32; |
1000 | int shift = x & 0xffffffff ? 0 : 32; |
845 | return ecb_ctz32 (x >> shift) + shift; |
1001 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1002 | #endif |
846 | } |
1003 | } |
847 | |
1004 | |
848 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
1005 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
849 | ecb_function_ int |
1006 | ecb_function_ ecb_const int |
850 | ecb_popcount32 (uint32_t x) |
1007 | ecb_popcount32 (uint32_t x) |
851 | { |
1008 | { |
852 | x -= (x >> 1) & 0x55555555; |
1009 | x -= (x >> 1) & 0x55555555; |
853 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
1010 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
854 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
1011 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
855 | x *= 0x01010101; |
1012 | x *= 0x01010101; |
856 | |
1013 | |
857 | return x >> 24; |
1014 | return x >> 24; |
858 | } |
1015 | } |
859 | |
1016 | |
860 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
1017 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
861 | ecb_function_ int ecb_ld32 (uint32_t x) |
1018 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
862 | { |
1019 | { |
|
|
1020 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1021 | unsigned long r; |
|
|
1022 | _BitScanReverse (&r, x); |
|
|
1023 | return (int)r; |
|
|
1024 | #else |
863 | int r = 0; |
1025 | int r = 0; |
864 | |
1026 | |
865 | if (x >> 16) { x >>= 16; r += 16; } |
1027 | if (x >> 16) { x >>= 16; r += 16; } |
866 | if (x >> 8) { x >>= 8; r += 8; } |
1028 | if (x >> 8) { x >>= 8; r += 8; } |
867 | if (x >> 4) { x >>= 4; r += 4; } |
1029 | if (x >> 4) { x >>= 4; r += 4; } |
868 | if (x >> 2) { x >>= 2; r += 2; } |
1030 | if (x >> 2) { x >>= 2; r += 2; } |
869 | if (x >> 1) { r += 1; } |
1031 | if (x >> 1) { r += 1; } |
870 | |
1032 | |
871 | return r; |
1033 | return r; |
|
|
1034 | #endif |
872 | } |
1035 | } |
873 | |
1036 | |
874 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1037 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
875 | ecb_function_ int ecb_ld64 (uint64_t x) |
1038 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
876 | { |
1039 | { |
|
|
1040 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1041 | unsigned long r; |
|
|
1042 | _BitScanReverse64 (&r, x); |
|
|
1043 | return (int)r; |
|
|
1044 | #else |
877 | int r = 0; |
1045 | int r = 0; |
878 | |
1046 | |
879 | if (x >> 32) { x >>= 32; r += 32; } |
1047 | if (x >> 32) { x >>= 32; r += 32; } |
880 | |
1048 | |
881 | return r + ecb_ld32 (x); |
1049 | return r + ecb_ld32 (x); |
|
|
1050 | #endif |
882 | } |
1051 | } |
883 | #endif |
1052 | #endif |
884 | |
1053 | |
885 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1054 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
886 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1055 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
887 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1056 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
888 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1057 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
889 | |
1058 | |
890 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1059 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
891 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1060 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
892 | { |
1061 | { |
893 | return ( (x * 0x0802U & 0x22110U) |
1062 | return ( (x * 0x0802U & 0x22110U) |
894 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1063 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
895 | } |
1064 | } |
896 | |
1065 | |
897 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1066 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
898 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1067 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
899 | { |
1068 | { |
900 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1069 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
901 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1070 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
902 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1071 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
903 | x = ( x >> 8 ) | ( x << 8); |
1072 | x = ( x >> 8 ) | ( x << 8); |
904 | |
1073 | |
905 | return x; |
1074 | return x; |
906 | } |
1075 | } |
907 | |
1076 | |
908 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1077 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
909 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1078 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
910 | { |
1079 | { |
911 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1080 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
912 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1081 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
913 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1082 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
914 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1083 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
917 | return x; |
1086 | return x; |
918 | } |
1087 | } |
919 | |
1088 | |
920 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1089 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
921 | /* so for this version we are lazy */ |
1090 | /* so for this version we are lazy */ |
922 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1091 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
923 | ecb_function_ int |
1092 | ecb_function_ ecb_const int |
924 | ecb_popcount64 (uint64_t x) |
1093 | ecb_popcount64 (uint64_t x) |
925 | { |
1094 | { |
926 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1095 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
927 | } |
1096 | } |
928 | |
1097 | |
929 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1098 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
930 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1099 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
931 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1100 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
932 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1101 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
933 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1102 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
934 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1103 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
935 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1104 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
936 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1105 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
937 | |
1106 | |
938 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1107 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
939 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1108 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
940 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1109 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
941 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1110 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
942 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1111 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
943 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1112 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
944 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1113 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
945 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1114 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
946 | |
1115 | |
947 | #if ECB_GCC_VERSION(4,3) |
1116 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1117 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1118 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1119 | #else |
948 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1120 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1121 | #endif |
949 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1122 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
950 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1123 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1124 | #elif _MSC_VER |
|
|
1125 | #include <stdlib.h> |
|
|
1126 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1127 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1128 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
951 | #else |
1129 | #else |
952 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1130 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
953 | ecb_function_ uint16_t |
1131 | ecb_function_ ecb_const uint16_t |
954 | ecb_bswap16 (uint16_t x) |
1132 | ecb_bswap16 (uint16_t x) |
955 | { |
1133 | { |
956 | return ecb_rotl16 (x, 8); |
1134 | return ecb_rotl16 (x, 8); |
957 | } |
1135 | } |
958 | |
1136 | |
959 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1137 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
960 | ecb_function_ uint32_t |
1138 | ecb_function_ ecb_const uint32_t |
961 | ecb_bswap32 (uint32_t x) |
1139 | ecb_bswap32 (uint32_t x) |
962 | { |
1140 | { |
963 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1141 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
964 | } |
1142 | } |
965 | |
1143 | |
966 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1144 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
967 | ecb_function_ uint64_t |
1145 | ecb_function_ ecb_const uint64_t |
968 | ecb_bswap64 (uint64_t x) |
1146 | ecb_bswap64 (uint64_t x) |
969 | { |
1147 | { |
970 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1148 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
971 | } |
1149 | } |
972 | #endif |
1150 | #endif |
973 | |
1151 | |
974 | #if ECB_GCC_VERSION(4,5) |
1152 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
975 | #define ecb_unreachable() __builtin_unreachable () |
1153 | #define ecb_unreachable() __builtin_unreachable () |
976 | #else |
1154 | #else |
977 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1155 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
978 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1156 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
979 | ecb_inline void ecb_unreachable (void) { } |
1157 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
980 | #endif |
1158 | #endif |
981 | |
1159 | |
982 | /* try to tell the compiler that some condition is definitely true */ |
1160 | /* try to tell the compiler that some condition is definitely true */ |
983 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1161 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
984 | |
1162 | |
985 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1163 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
986 | ecb_inline unsigned char |
1164 | ecb_inline ecb_const uint32_t |
987 | ecb_byteorder_helper (void) |
1165 | ecb_byteorder_helper (void) |
988 | { |
1166 | { |
989 | /* the union code still generates code under pressure in gcc, */ |
1167 | /* the union code still generates code under pressure in gcc, */ |
990 | /* but less than using pointers, and always seems to */ |
1168 | /* but less than using pointers, and always seems to */ |
991 | /* successfully return a constant. */ |
1169 | /* successfully return a constant. */ |
992 | /* the reason why we have this horrible preprocessor mess */ |
1170 | /* the reason why we have this horrible preprocessor mess */ |
993 | /* is to avoid it in all cases, at least on common architectures */ |
1171 | /* is to avoid it in all cases, at least on common architectures */ |
994 | /* or when using a recent enough gcc version (>= 4.6) */ |
1172 | /* or when using a recent enough gcc version (>= 4.6) */ |
995 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
996 | return 0x44; |
|
|
997 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1173 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1174 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1175 | #define ECB_LITTLE_ENDIAN 1 |
998 | return 0x44; |
1176 | return 0x44332211; |
999 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1177 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1178 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1179 | #define ECB_BIG_ENDIAN 1 |
1000 | return 0x11; |
1180 | return 0x11223344; |
1001 | #else |
1181 | #else |
1002 | union |
1182 | union |
1003 | { |
1183 | { |
|
|
1184 | uint8_t c[4]; |
1004 | uint32_t i; |
1185 | uint32_t u; |
1005 | uint8_t c; |
|
|
1006 | } u = { 0x11223344 }; |
1186 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1007 | return u.c; |
1187 | return u.u; |
1008 | #endif |
1188 | #endif |
1009 | } |
1189 | } |
1010 | |
1190 | |
1011 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1191 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1012 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1192 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1013 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1193 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1014 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1194 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1015 | |
1195 | |
1016 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1196 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1017 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1197 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1018 | #else |
1198 | #else |
1019 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1199 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1020 | #endif |
1200 | #endif |
1021 | |
1201 | |
1022 | #if __cplusplus |
1202 | #if ECB_CPP |
1023 | template<typename T> |
1203 | template<typename T> |
1024 | static inline T ecb_div_rd (T val, T div) |
1204 | static inline T ecb_div_rd (T val, T div) |
1025 | { |
1205 | { |
1026 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1206 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1027 | } |
1207 | } |
… | |
… | |
1044 | } |
1224 | } |
1045 | #else |
1225 | #else |
1046 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1226 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1047 | #endif |
1227 | #endif |
1048 | |
1228 | |
|
|
1229 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1230 | ecb_function_ ecb_const uint32_t |
|
|
1231 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1232 | { |
|
|
1233 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1234 | int e = (x >> 10) & 0x001f; |
|
|
1235 | unsigned int m = x & 0x03ff; |
|
|
1236 | |
|
|
1237 | if (ecb_expect_false (e == 31)) |
|
|
1238 | /* infinity or NaN */ |
|
|
1239 | e = 255 - (127 - 15); |
|
|
1240 | else if (ecb_expect_false (!e)) |
|
|
1241 | { |
|
|
1242 | if (ecb_expect_true (!m)) |
|
|
1243 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1244 | e = 0 - (127 - 15); |
|
|
1245 | else |
|
|
1246 | { |
|
|
1247 | /* subnormal, renormalise */ |
|
|
1248 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1249 | |
|
|
1250 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1251 | e -= s - 1; |
|
|
1252 | } |
|
|
1253 | } |
|
|
1254 | |
|
|
1255 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1256 | e += 127 - 15; |
|
|
1257 | |
|
|
1258 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1259 | } |
|
|
1260 | |
|
|
1261 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1262 | ecb_function_ ecb_const uint16_t |
|
|
1263 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1264 | { |
|
|
1265 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1266 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1267 | unsigned int m = x & 0x007fffff; |
|
|
1268 | |
|
|
1269 | x &= 0x7fffffff; |
|
|
1270 | |
|
|
1271 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1272 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1273 | { |
|
|
1274 | /* mantissa round-to-even */ |
|
|
1275 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1276 | |
|
|
1277 | /* handle overflow */ |
|
|
1278 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1279 | { |
|
|
1280 | m >>= 1; |
|
|
1281 | e += 1; |
|
|
1282 | } |
|
|
1283 | |
|
|
1284 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | /* handle large numbers and infinity */ |
|
|
1288 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1289 | return s | 0x7c00; |
|
|
1290 | |
|
|
1291 | /* handle zero, subnormals and small numbers */ |
|
|
1292 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1293 | { |
|
|
1294 | /* zero */ |
|
|
1295 | if (ecb_expect_true (!x)) |
|
|
1296 | return s; |
|
|
1297 | |
|
|
1298 | /* handle subnormals */ |
|
|
1299 | |
|
|
1300 | /* too small, will be zero */ |
|
|
1301 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1302 | return s; |
|
|
1303 | |
|
|
1304 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1305 | |
|
|
1306 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1307 | { |
|
|
1308 | unsigned int bits = 14 - e; |
|
|
1309 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1310 | unsigned int even = (m >> bits) & 1; |
|
|
1311 | |
|
|
1312 | /* if this overflows, we will end up with a normalised number */ |
|
|
1313 | m = (m + half + even) >> bits; |
|
|
1314 | } |
|
|
1315 | |
|
|
1316 | return s | m; |
|
|
1317 | } |
|
|
1318 | |
|
|
1319 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1320 | m >>= 13; |
|
|
1321 | |
|
|
1322 | return s | 0x7c00 | m | !m; |
|
|
1323 | } |
|
|
1324 | |
1049 | /*******************************************************************************/ |
1325 | /*******************************************************************************/ |
1050 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1326 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1051 | |
1327 | |
1052 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1328 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1053 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1329 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1054 | #if 0 \ |
1330 | #if 0 \ |
1055 | || __i386 || __i386__ \ |
1331 | || __i386 || __i386__ \ |
1056 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1332 | || ECB_GCC_AMD64 \ |
1057 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1333 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1058 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1059 | || defined __s390__ || defined __s390x__ \ |
1334 | || defined __s390__ || defined __s390x__ \ |
1060 | || defined __mips__ \ |
1335 | || defined __mips__ \ |
1061 | || defined __alpha__ \ |
1336 | || defined __alpha__ \ |
1062 | || defined __hppa__ \ |
1337 | || defined __hppa__ \ |
1063 | || defined __ia64__ \ |
1338 | || defined __ia64__ \ |
1064 | || defined __m68k__ \ |
1339 | || defined __m68k__ \ |
1065 | || defined __m88k__ \ |
1340 | || defined __m88k__ \ |
1066 | || defined __sh__ \ |
1341 | || defined __sh__ \ |
1067 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1342 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1343 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1344 | || defined __aarch64__ |
1068 | #define ECB_STDFP 1 |
1345 | #define ECB_STDFP 1 |
1069 | #include <string.h> /* for memcpy */ |
1346 | #include <string.h> /* for memcpy */ |
1070 | #else |
1347 | #else |
1071 | #define ECB_STDFP 0 |
1348 | #define ECB_STDFP 0 |
1072 | #endif |
1349 | #endif |
1073 | |
1350 | |
1074 | #ifndef ECB_NO_LIBM |
1351 | #ifndef ECB_NO_LIBM |
1075 | |
1352 | |
1076 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
1353 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
1077 | |
1354 | |
|
|
1355 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1356 | #ifdef INFINITY |
|
|
1357 | #define ECB_INFINITY INFINITY |
|
|
1358 | #else |
|
|
1359 | #define ECB_INFINITY HUGE_VAL |
|
|
1360 | #endif |
|
|
1361 | |
1078 | #ifdef NEN |
1362 | #ifdef NAN |
1079 | #define ECB_NAN NAN |
1363 | #define ECB_NAN NAN |
1080 | #else |
1364 | #else |
1081 | #define ECB_NAN INFINITY |
1365 | #define ECB_NAN ECB_INFINITY |
1082 | #endif |
1366 | #endif |
1083 | |
1367 | |
1084 | /* converts an ieee half/binary16 to a float */ |
1368 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1085 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1369 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1086 | ecb_function_ float |
1370 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1087 | ecb_binary16_to_float (uint16_t x) |
1371 | #else |
1088 | { |
1372 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1089 | int e = (x >> 10) & 0x1f; |
1373 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1090 | int m = x & 0x3ff; |
1374 | #endif |
1091 | float r; |
|
|
1092 | |
|
|
1093 | if (!e ) r = ldexpf (m , -24); |
|
|
1094 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1095 | else if (m ) r = ECB_NAN; |
|
|
1096 | else r = INFINITY; |
|
|
1097 | |
|
|
1098 | return x & 0x8000 ? -r : r; |
|
|
1099 | } |
|
|
1100 | |
1375 | |
1101 | /* convert a float to ieee single/binary32 */ |
1376 | /* convert a float to ieee single/binary32 */ |
1102 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1377 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1103 | ecb_function_ uint32_t |
1378 | ecb_function_ ecb_const uint32_t |
1104 | ecb_float_to_binary32 (float x) |
1379 | ecb_float_to_binary32 (float x) |
1105 | { |
1380 | { |
1106 | uint32_t r; |
1381 | uint32_t r; |
1107 | |
1382 | |
1108 | #if ECB_STDFP |
1383 | #if ECB_STDFP |
… | |
… | |
1115 | if (x == 0e0f ) return 0x00000000U; |
1390 | if (x == 0e0f ) return 0x00000000U; |
1116 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1391 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1117 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1392 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1118 | if (x != x ) return 0x7fbfffffU; |
1393 | if (x != x ) return 0x7fbfffffU; |
1119 | |
1394 | |
1120 | m = frexpf (x, &e) * 0x1000000U; |
1395 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1121 | |
1396 | |
1122 | r = m & 0x80000000U; |
1397 | r = m & 0x80000000U; |
1123 | |
1398 | |
1124 | if (r) |
1399 | if (r) |
1125 | m = -m; |
1400 | m = -m; |
… | |
… | |
1137 | |
1412 | |
1138 | return r; |
1413 | return r; |
1139 | } |
1414 | } |
1140 | |
1415 | |
1141 | /* converts an ieee single/binary32 to a float */ |
1416 | /* converts an ieee single/binary32 to a float */ |
1142 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1417 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1143 | ecb_function_ float |
1418 | ecb_function_ ecb_const float |
1144 | ecb_binary32_to_float (uint32_t x) |
1419 | ecb_binary32_to_float (uint32_t x) |
1145 | { |
1420 | { |
1146 | float r; |
1421 | float r; |
1147 | |
1422 | |
1148 | #if ECB_STDFP |
1423 | #if ECB_STDFP |
… | |
… | |
1158 | x |= 0x800000U; |
1433 | x |= 0x800000U; |
1159 | else |
1434 | else |
1160 | e = 1; |
1435 | e = 1; |
1161 | |
1436 | |
1162 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1437 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1163 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1438 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1164 | |
1439 | |
1165 | r = neg ? -r : r; |
1440 | r = neg ? -r : r; |
1166 | #endif |
1441 | #endif |
1167 | |
1442 | |
1168 | return r; |
1443 | return r; |
1169 | } |
1444 | } |
1170 | |
1445 | |
1171 | /* convert a double to ieee double/binary64 */ |
1446 | /* convert a double to ieee double/binary64 */ |
1172 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1447 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1173 | ecb_function_ uint64_t |
1448 | ecb_function_ ecb_const uint64_t |
1174 | ecb_double_to_binary64 (double x) |
1449 | ecb_double_to_binary64 (double x) |
1175 | { |
1450 | { |
1176 | uint64_t r; |
1451 | uint64_t r; |
1177 | |
1452 | |
1178 | #if ECB_STDFP |
1453 | #if ECB_STDFP |
… | |
… | |
1207 | |
1482 | |
1208 | return r; |
1483 | return r; |
1209 | } |
1484 | } |
1210 | |
1485 | |
1211 | /* converts an ieee double/binary64 to a double */ |
1486 | /* converts an ieee double/binary64 to a double */ |
1212 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1487 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1213 | ecb_function_ double |
1488 | ecb_function_ ecb_const double |
1214 | ecb_binary64_to_double (uint64_t x) |
1489 | ecb_binary64_to_double (uint64_t x) |
1215 | { |
1490 | { |
1216 | double r; |
1491 | double r; |
1217 | |
1492 | |
1218 | #if ECB_STDFP |
1493 | #if ECB_STDFP |
… | |
… | |
1234 | |
1509 | |
1235 | r = neg ? -r : r; |
1510 | r = neg ? -r : r; |
1236 | #endif |
1511 | #endif |
1237 | |
1512 | |
1238 | return r; |
1513 | return r; |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | /* convert a float to ieee half/binary16 */ |
|
|
1517 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1518 | ecb_function_ ecb_const uint16_t |
|
|
1519 | ecb_float_to_binary16 (float x) |
|
|
1520 | { |
|
|
1521 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1522 | } |
|
|
1523 | |
|
|
1524 | /* convert an ieee half/binary16 to float */ |
|
|
1525 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1526 | ecb_function_ ecb_const float |
|
|
1527 | ecb_binary16_to_float (uint16_t x) |
|
|
1528 | { |
|
|
1529 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1239 | } |
1530 | } |
1240 | |
1531 | |
1241 | #endif |
1532 | #endif |
1242 | |
1533 | |
1243 | #endif |
1534 | #endif |
… | |
… | |
1268 | #define inline_size ecb_inline |
1559 | #define inline_size ecb_inline |
1269 | |
1560 | |
1270 | #if EV_FEATURE_CODE |
1561 | #if EV_FEATURE_CODE |
1271 | # define inline_speed ecb_inline |
1562 | # define inline_speed ecb_inline |
1272 | #else |
1563 | #else |
1273 | # define inline_speed static noinline |
1564 | # define inline_speed noinline static |
1274 | #endif |
1565 | #endif |
1275 | |
1566 | |
1276 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1567 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1277 | |
1568 | |
1278 | #if EV_MINPRI == EV_MAXPRI |
1569 | #if EV_MINPRI == EV_MAXPRI |
1279 | # define ABSPRI(w) (((W)w), 0) |
1570 | # define ABSPRI(w) (((W)w), 0) |
1280 | #else |
1571 | #else |
1281 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1572 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1282 | #endif |
1573 | #endif |
1283 | |
1574 | |
1284 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1575 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1285 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1286 | |
1576 | |
1287 | typedef ev_watcher *W; |
1577 | typedef ev_watcher *W; |
1288 | typedef ev_watcher_list *WL; |
1578 | typedef ev_watcher_list *WL; |
1289 | typedef ev_watcher_time *WT; |
1579 | typedef ev_watcher_time *WT; |
1290 | |
1580 | |
… | |
… | |
1315 | # include "ev_win32.c" |
1605 | # include "ev_win32.c" |
1316 | #endif |
1606 | #endif |
1317 | |
1607 | |
1318 | /*****************************************************************************/ |
1608 | /*****************************************************************************/ |
1319 | |
1609 | |
|
|
1610 | #if EV_USE_LINUXAIO |
|
|
1611 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1612 | #endif |
|
|
1613 | |
1320 | /* define a suitable floor function (only used by periodics atm) */ |
1614 | /* define a suitable floor function (only used by periodics atm) */ |
1321 | |
1615 | |
1322 | #if EV_USE_FLOOR |
1616 | #if EV_USE_FLOOR |
1323 | # include <math.h> |
1617 | # include <math.h> |
1324 | # define ev_floor(v) floor (v) |
1618 | # define ev_floor(v) floor (v) |
1325 | #else |
1619 | #else |
1326 | |
1620 | |
1327 | #include <float.h> |
1621 | #include <float.h> |
1328 | |
1622 | |
1329 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1623 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1624 | noinline |
1330 | static ev_tstamp noinline |
1625 | static ev_tstamp |
1331 | ev_floor (ev_tstamp v) |
1626 | ev_floor (ev_tstamp v) |
1332 | { |
1627 | { |
1333 | /* the choice of shift factor is not terribly important */ |
1628 | /* the choice of shift factor is not terribly important */ |
1334 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1629 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1335 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1630 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1367 | |
1662 | |
1368 | #ifdef __linux |
1663 | #ifdef __linux |
1369 | # include <sys/utsname.h> |
1664 | # include <sys/utsname.h> |
1370 | #endif |
1665 | #endif |
1371 | |
1666 | |
1372 | static unsigned int noinline ecb_cold |
1667 | noinline ecb_cold |
|
|
1668 | static unsigned int |
1373 | ev_linux_version (void) |
1669 | ev_linux_version (void) |
1374 | { |
1670 | { |
1375 | #ifdef __linux |
1671 | #ifdef __linux |
1376 | unsigned int v = 0; |
1672 | unsigned int v = 0; |
1377 | struct utsname buf; |
1673 | struct utsname buf; |
… | |
… | |
1406 | } |
1702 | } |
1407 | |
1703 | |
1408 | /*****************************************************************************/ |
1704 | /*****************************************************************************/ |
1409 | |
1705 | |
1410 | #if EV_AVOID_STDIO |
1706 | #if EV_AVOID_STDIO |
1411 | static void noinline ecb_cold |
1707 | noinline ecb_cold |
|
|
1708 | static void |
1412 | ev_printerr (const char *msg) |
1709 | ev_printerr (const char *msg) |
1413 | { |
1710 | { |
1414 | write (STDERR_FILENO, msg, strlen (msg)); |
1711 | write (STDERR_FILENO, msg, strlen (msg)); |
1415 | } |
1712 | } |
1416 | #endif |
1713 | #endif |
1417 | |
1714 | |
1418 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1715 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1419 | |
1716 | |
1420 | void ecb_cold |
1717 | ecb_cold |
|
|
1718 | void |
1421 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1719 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1422 | { |
1720 | { |
1423 | syserr_cb = cb; |
1721 | syserr_cb = cb; |
1424 | } |
1722 | } |
1425 | |
1723 | |
1426 | static void noinline ecb_cold |
1724 | noinline ecb_cold |
|
|
1725 | static void |
1427 | ev_syserr (const char *msg) |
1726 | ev_syserr (const char *msg) |
1428 | { |
1727 | { |
1429 | if (!msg) |
1728 | if (!msg) |
1430 | msg = "(libev) system error"; |
1729 | msg = "(libev) system error"; |
1431 | |
1730 | |
… | |
… | |
1444 | abort (); |
1743 | abort (); |
1445 | } |
1744 | } |
1446 | } |
1745 | } |
1447 | |
1746 | |
1448 | static void * |
1747 | static void * |
1449 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1748 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1450 | { |
1749 | { |
1451 | /* some systems, notably openbsd and darwin, fail to properly |
1750 | /* some systems, notably openbsd and darwin, fail to properly |
1452 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1751 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1453 | * the single unix specification, so work around them here. |
1752 | * the single unix specification, so work around them here. |
1454 | * recently, also (at least) fedora and debian started breaking it, |
1753 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1460 | |
1759 | |
1461 | free (ptr); |
1760 | free (ptr); |
1462 | return 0; |
1761 | return 0; |
1463 | } |
1762 | } |
1464 | |
1763 | |
1465 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1764 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1466 | |
1765 | |
1467 | void ecb_cold |
1766 | ecb_cold |
|
|
1767 | void |
1468 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1768 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1469 | { |
1769 | { |
1470 | alloc = cb; |
1770 | alloc = cb; |
1471 | } |
1771 | } |
1472 | |
1772 | |
1473 | inline_speed void * |
1773 | inline_speed void * |
… | |
… | |
1500 | typedef struct |
1800 | typedef struct |
1501 | { |
1801 | { |
1502 | WL head; |
1802 | WL head; |
1503 | unsigned char events; /* the events watched for */ |
1803 | unsigned char events; /* the events watched for */ |
1504 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1804 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1505 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1805 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1506 | unsigned char unused; |
1806 | unsigned char unused; |
1507 | #if EV_USE_EPOLL |
1807 | #if EV_USE_EPOLL |
1508 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1808 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1509 | #endif |
1809 | #endif |
1510 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1810 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1590 | |
1890 | |
1591 | /*****************************************************************************/ |
1891 | /*****************************************************************************/ |
1592 | |
1892 | |
1593 | #ifndef EV_HAVE_EV_TIME |
1893 | #ifndef EV_HAVE_EV_TIME |
1594 | ev_tstamp |
1894 | ev_tstamp |
1595 | ev_time (void) EV_THROW |
1895 | ev_time (void) EV_NOEXCEPT |
1596 | { |
1896 | { |
1597 | #if EV_USE_REALTIME |
1897 | #if EV_USE_REALTIME |
1598 | if (expect_true (have_realtime)) |
1898 | if (expect_true (have_realtime)) |
1599 | { |
1899 | { |
1600 | struct timespec ts; |
1900 | struct timespec ts; |
… | |
… | |
1624 | return ev_time (); |
1924 | return ev_time (); |
1625 | } |
1925 | } |
1626 | |
1926 | |
1627 | #if EV_MULTIPLICITY |
1927 | #if EV_MULTIPLICITY |
1628 | ev_tstamp |
1928 | ev_tstamp |
1629 | ev_now (EV_P) EV_THROW |
1929 | ev_now (EV_P) EV_NOEXCEPT |
1630 | { |
1930 | { |
1631 | return ev_rt_now; |
1931 | return ev_rt_now; |
1632 | } |
1932 | } |
1633 | #endif |
1933 | #endif |
1634 | |
1934 | |
1635 | void |
1935 | void |
1636 | ev_sleep (ev_tstamp delay) EV_THROW |
1936 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1637 | { |
1937 | { |
1638 | if (delay > 0.) |
1938 | if (delay > 0.) |
1639 | { |
1939 | { |
1640 | #if EV_USE_NANOSLEEP |
1940 | #if EV_USE_NANOSLEEP |
1641 | struct timespec ts; |
1941 | struct timespec ts; |
1642 | |
1942 | |
1643 | EV_TS_SET (ts, delay); |
1943 | EV_TS_SET (ts, delay); |
1644 | nanosleep (&ts, 0); |
1944 | nanosleep (&ts, 0); |
1645 | #elif defined _WIN32 |
1945 | #elif defined _WIN32 |
|
|
1946 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1947 | /* compared to select (µs) or nanosleep (ns) */ |
1646 | Sleep ((unsigned long)(delay * 1e3)); |
1948 | Sleep ((unsigned long)(delay * 1e3)); |
1647 | #else |
1949 | #else |
1648 | struct timeval tv; |
1950 | struct timeval tv; |
1649 | |
1951 | |
1650 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1952 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1681 | } |
1983 | } |
1682 | |
1984 | |
1683 | return ncur; |
1985 | return ncur; |
1684 | } |
1986 | } |
1685 | |
1987 | |
1686 | static void * noinline ecb_cold |
1988 | noinline ecb_cold |
|
|
1989 | static void * |
1687 | array_realloc (int elem, void *base, int *cur, int cnt) |
1990 | array_realloc (int elem, void *base, int *cur, int cnt) |
1688 | { |
1991 | { |
1689 | *cur = array_nextsize (elem, *cur, cnt); |
1992 | *cur = array_nextsize (elem, *cur, cnt); |
1690 | return ev_realloc (base, elem * *cur); |
1993 | return ev_realloc (base, elem * *cur); |
1691 | } |
1994 | } |
1692 | |
1995 | |
|
|
1996 | #define array_needsize_noinit(base,offset,count) |
|
|
1997 | |
1693 | #define array_init_zero(base,count) \ |
1998 | #define array_needsize_zerofill(base,offset,count) \ |
1694 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1999 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1695 | |
2000 | |
1696 | #define array_needsize(type,base,cur,cnt,init) \ |
2001 | #define array_needsize(type,base,cur,cnt,init) \ |
1697 | if (expect_false ((cnt) > (cur))) \ |
2002 | if (expect_false ((cnt) > (cur))) \ |
1698 | { \ |
2003 | { \ |
1699 | int ecb_unused ocur_ = (cur); \ |
2004 | ecb_unused int ocur_ = (cur); \ |
1700 | (base) = (type *)array_realloc \ |
2005 | (base) = (type *)array_realloc \ |
1701 | (sizeof (type), (base), &(cur), (cnt)); \ |
2006 | (sizeof (type), (base), &(cur), (cnt)); \ |
1702 | init ((base) + (ocur_), (cur) - ocur_); \ |
2007 | init ((base), ocur_, ((cur) - ocur_)); \ |
1703 | } |
2008 | } |
1704 | |
2009 | |
1705 | #if 0 |
2010 | #if 0 |
1706 | #define array_slim(type,stem) \ |
2011 | #define array_slim(type,stem) \ |
1707 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2012 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1716 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2021 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1717 | |
2022 | |
1718 | /*****************************************************************************/ |
2023 | /*****************************************************************************/ |
1719 | |
2024 | |
1720 | /* dummy callback for pending events */ |
2025 | /* dummy callback for pending events */ |
1721 | static void noinline |
2026 | noinline |
|
|
2027 | static void |
1722 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2028 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1723 | { |
2029 | { |
1724 | } |
2030 | } |
1725 | |
2031 | |
1726 | void noinline |
2032 | noinline |
|
|
2033 | void |
1727 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2034 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1728 | { |
2035 | { |
1729 | W w_ = (W)w; |
2036 | W w_ = (W)w; |
1730 | int pri = ABSPRI (w_); |
2037 | int pri = ABSPRI (w_); |
1731 | |
2038 | |
1732 | if (expect_false (w_->pending)) |
2039 | if (expect_false (w_->pending)) |
1733 | pendings [pri][w_->pending - 1].events |= revents; |
2040 | pendings [pri][w_->pending - 1].events |= revents; |
1734 | else |
2041 | else |
1735 | { |
2042 | { |
1736 | w_->pending = ++pendingcnt [pri]; |
2043 | w_->pending = ++pendingcnt [pri]; |
1737 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2044 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1738 | pendings [pri][w_->pending - 1].w = w_; |
2045 | pendings [pri][w_->pending - 1].w = w_; |
1739 | pendings [pri][w_->pending - 1].events = revents; |
2046 | pendings [pri][w_->pending - 1].events = revents; |
1740 | } |
2047 | } |
1741 | |
2048 | |
1742 | pendingpri = NUMPRI - 1; |
2049 | pendingpri = NUMPRI - 1; |
1743 | } |
2050 | } |
1744 | |
2051 | |
1745 | inline_speed void |
2052 | inline_speed void |
1746 | feed_reverse (EV_P_ W w) |
2053 | feed_reverse (EV_P_ W w) |
1747 | { |
2054 | { |
1748 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2055 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1749 | rfeeds [rfeedcnt++] = w; |
2056 | rfeeds [rfeedcnt++] = w; |
1750 | } |
2057 | } |
1751 | |
2058 | |
1752 | inline_size void |
2059 | inline_size void |
1753 | feed_reverse_done (EV_P_ int revents) |
2060 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1793 | if (expect_true (!anfd->reify)) |
2100 | if (expect_true (!anfd->reify)) |
1794 | fd_event_nocheck (EV_A_ fd, revents); |
2101 | fd_event_nocheck (EV_A_ fd, revents); |
1795 | } |
2102 | } |
1796 | |
2103 | |
1797 | void |
2104 | void |
1798 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2105 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1799 | { |
2106 | { |
1800 | if (fd >= 0 && fd < anfdmax) |
2107 | if (fd >= 0 && fd < anfdmax) |
1801 | fd_event_nocheck (EV_A_ fd, revents); |
2108 | fd_event_nocheck (EV_A_ fd, revents); |
1802 | } |
2109 | } |
1803 | |
2110 | |
… | |
… | |
1861 | |
2168 | |
1862 | fdchangecnt = 0; |
2169 | fdchangecnt = 0; |
1863 | } |
2170 | } |
1864 | |
2171 | |
1865 | /* something about the given fd changed */ |
2172 | /* something about the given fd changed */ |
1866 | inline_size void |
2173 | inline_size |
|
|
2174 | void |
1867 | fd_change (EV_P_ int fd, int flags) |
2175 | fd_change (EV_P_ int fd, int flags) |
1868 | { |
2176 | { |
1869 | unsigned char reify = anfds [fd].reify; |
2177 | unsigned char reify = anfds [fd].reify; |
1870 | anfds [fd].reify |= flags; |
2178 | anfds [fd].reify |= flags; |
1871 | |
2179 | |
1872 | if (expect_true (!reify)) |
2180 | if (expect_true (!reify)) |
1873 | { |
2181 | { |
1874 | ++fdchangecnt; |
2182 | ++fdchangecnt; |
1875 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2183 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1876 | fdchanges [fdchangecnt - 1] = fd; |
2184 | fdchanges [fdchangecnt - 1] = fd; |
1877 | } |
2185 | } |
1878 | } |
2186 | } |
1879 | |
2187 | |
1880 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2188 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1881 | inline_speed void ecb_cold |
2189 | inline_speed ecb_cold void |
1882 | fd_kill (EV_P_ int fd) |
2190 | fd_kill (EV_P_ int fd) |
1883 | { |
2191 | { |
1884 | ev_io *w; |
2192 | ev_io *w; |
1885 | |
2193 | |
1886 | while ((w = (ev_io *)anfds [fd].head)) |
2194 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1889 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2197 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1890 | } |
2198 | } |
1891 | } |
2199 | } |
1892 | |
2200 | |
1893 | /* check whether the given fd is actually valid, for error recovery */ |
2201 | /* check whether the given fd is actually valid, for error recovery */ |
1894 | inline_size int ecb_cold |
2202 | inline_size ecb_cold int |
1895 | fd_valid (int fd) |
2203 | fd_valid (int fd) |
1896 | { |
2204 | { |
1897 | #ifdef _WIN32 |
2205 | #ifdef _WIN32 |
1898 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2206 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1899 | #else |
2207 | #else |
1900 | return fcntl (fd, F_GETFD) != -1; |
2208 | return fcntl (fd, F_GETFD) != -1; |
1901 | #endif |
2209 | #endif |
1902 | } |
2210 | } |
1903 | |
2211 | |
1904 | /* called on EBADF to verify fds */ |
2212 | /* called on EBADF to verify fds */ |
1905 | static void noinline ecb_cold |
2213 | noinline ecb_cold |
|
|
2214 | static void |
1906 | fd_ebadf (EV_P) |
2215 | fd_ebadf (EV_P) |
1907 | { |
2216 | { |
1908 | int fd; |
2217 | int fd; |
1909 | |
2218 | |
1910 | for (fd = 0; fd < anfdmax; ++fd) |
2219 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1912 | if (!fd_valid (fd) && errno == EBADF) |
2221 | if (!fd_valid (fd) && errno == EBADF) |
1913 | fd_kill (EV_A_ fd); |
2222 | fd_kill (EV_A_ fd); |
1914 | } |
2223 | } |
1915 | |
2224 | |
1916 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2225 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1917 | static void noinline ecb_cold |
2226 | noinline ecb_cold |
|
|
2227 | static void |
1918 | fd_enomem (EV_P) |
2228 | fd_enomem (EV_P) |
1919 | { |
2229 | { |
1920 | int fd; |
2230 | int fd; |
1921 | |
2231 | |
1922 | for (fd = anfdmax; fd--; ) |
2232 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1926 | break; |
2236 | break; |
1927 | } |
2237 | } |
1928 | } |
2238 | } |
1929 | |
2239 | |
1930 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2240 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1931 | static void noinline |
2241 | noinline |
|
|
2242 | static void |
1932 | fd_rearm_all (EV_P) |
2243 | fd_rearm_all (EV_P) |
1933 | { |
2244 | { |
1934 | int fd; |
2245 | int fd; |
1935 | |
2246 | |
1936 | for (fd = 0; fd < anfdmax; ++fd) |
2247 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2117 | |
2428 | |
2118 | /*****************************************************************************/ |
2429 | /*****************************************************************************/ |
2119 | |
2430 | |
2120 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2431 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2121 | |
2432 | |
2122 | static void noinline ecb_cold |
2433 | noinline ecb_cold |
|
|
2434 | static void |
2123 | evpipe_init (EV_P) |
2435 | evpipe_init (EV_P) |
2124 | { |
2436 | { |
2125 | if (!ev_is_active (&pipe_w)) |
2437 | if (!ev_is_active (&pipe_w)) |
2126 | { |
2438 | { |
2127 | int fds [2]; |
2439 | int fds [2]; |
… | |
… | |
2198 | #endif |
2510 | #endif |
2199 | { |
2511 | { |
2200 | #ifdef _WIN32 |
2512 | #ifdef _WIN32 |
2201 | WSABUF buf; |
2513 | WSABUF buf; |
2202 | DWORD sent; |
2514 | DWORD sent; |
2203 | buf.buf = &buf; |
2515 | buf.buf = (char *)&buf; |
2204 | buf.len = 1; |
2516 | buf.len = 1; |
2205 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2517 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2206 | #else |
2518 | #else |
2207 | write (evpipe [1], &(evpipe [1]), 1); |
2519 | write (evpipe [1], &(evpipe [1]), 1); |
2208 | #endif |
2520 | #endif |
… | |
… | |
2280 | } |
2592 | } |
2281 | |
2593 | |
2282 | /*****************************************************************************/ |
2594 | /*****************************************************************************/ |
2283 | |
2595 | |
2284 | void |
2596 | void |
2285 | ev_feed_signal (int signum) EV_THROW |
2597 | ev_feed_signal (int signum) EV_NOEXCEPT |
2286 | { |
2598 | { |
2287 | #if EV_MULTIPLICITY |
2599 | #if EV_MULTIPLICITY |
2288 | EV_P; |
2600 | EV_P; |
2289 | ECB_MEMORY_FENCE_ACQUIRE; |
2601 | ECB_MEMORY_FENCE_ACQUIRE; |
2290 | EV_A = signals [signum - 1].loop; |
2602 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2305 | #endif |
2617 | #endif |
2306 | |
2618 | |
2307 | ev_feed_signal (signum); |
2619 | ev_feed_signal (signum); |
2308 | } |
2620 | } |
2309 | |
2621 | |
2310 | void noinline |
2622 | noinline |
|
|
2623 | void |
2311 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2624 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2312 | { |
2625 | { |
2313 | WL w; |
2626 | WL w; |
2314 | |
2627 | |
2315 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2628 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2316 | return; |
2629 | return; |
… | |
… | |
2425 | # include "ev_kqueue.c" |
2738 | # include "ev_kqueue.c" |
2426 | #endif |
2739 | #endif |
2427 | #if EV_USE_EPOLL |
2740 | #if EV_USE_EPOLL |
2428 | # include "ev_epoll.c" |
2741 | # include "ev_epoll.c" |
2429 | #endif |
2742 | #endif |
|
|
2743 | #if EV_USE_LINUXAIO |
|
|
2744 | # include "ev_linuxaio.c" |
|
|
2745 | #endif |
2430 | #if EV_USE_POLL |
2746 | #if EV_USE_POLL |
2431 | # include "ev_poll.c" |
2747 | # include "ev_poll.c" |
2432 | #endif |
2748 | #endif |
2433 | #if EV_USE_SELECT |
2749 | #if EV_USE_SELECT |
2434 | # include "ev_select.c" |
2750 | # include "ev_select.c" |
2435 | #endif |
2751 | #endif |
2436 | |
2752 | |
2437 | int ecb_cold |
2753 | ecb_cold int |
2438 | ev_version_major (void) EV_THROW |
2754 | ev_version_major (void) EV_NOEXCEPT |
2439 | { |
2755 | { |
2440 | return EV_VERSION_MAJOR; |
2756 | return EV_VERSION_MAJOR; |
2441 | } |
2757 | } |
2442 | |
2758 | |
2443 | int ecb_cold |
2759 | ecb_cold int |
2444 | ev_version_minor (void) EV_THROW |
2760 | ev_version_minor (void) EV_NOEXCEPT |
2445 | { |
2761 | { |
2446 | return EV_VERSION_MINOR; |
2762 | return EV_VERSION_MINOR; |
2447 | } |
2763 | } |
2448 | |
2764 | |
2449 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2765 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2450 | int inline_size ecb_cold |
2766 | inline_size ecb_cold int |
2451 | enable_secure (void) |
2767 | enable_secure (void) |
2452 | { |
2768 | { |
2453 | #ifdef _WIN32 |
2769 | #ifdef _WIN32 |
2454 | return 0; |
2770 | return 0; |
2455 | #else |
2771 | #else |
2456 | return getuid () != geteuid () |
2772 | return getuid () != geteuid () |
2457 | || getgid () != getegid (); |
2773 | || getgid () != getegid (); |
2458 | #endif |
2774 | #endif |
2459 | } |
2775 | } |
2460 | |
2776 | |
2461 | unsigned int ecb_cold |
2777 | ecb_cold |
|
|
2778 | unsigned int |
2462 | ev_supported_backends (void) EV_THROW |
2779 | ev_supported_backends (void) EV_NOEXCEPT |
2463 | { |
2780 | { |
2464 | unsigned int flags = 0; |
2781 | unsigned int flags = 0; |
2465 | |
2782 | |
2466 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2783 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2467 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2784 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2468 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2785 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2786 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2469 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2787 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2470 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2788 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2471 | |
2789 | |
2472 | return flags; |
2790 | return flags; |
2473 | } |
2791 | } |
2474 | |
2792 | |
2475 | unsigned int ecb_cold |
2793 | ecb_cold |
|
|
2794 | unsigned int |
2476 | ev_recommended_backends (void) EV_THROW |
2795 | ev_recommended_backends (void) EV_NOEXCEPT |
2477 | { |
2796 | { |
2478 | unsigned int flags = ev_supported_backends (); |
2797 | unsigned int flags = ev_supported_backends (); |
2479 | |
2798 | |
2480 | #ifndef __NetBSD__ |
2799 | #ifndef __NetBSD__ |
2481 | /* kqueue is borked on everything but netbsd apparently */ |
2800 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2489 | #endif |
2808 | #endif |
2490 | #ifdef __FreeBSD__ |
2809 | #ifdef __FreeBSD__ |
2491 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2810 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2492 | #endif |
2811 | #endif |
2493 | |
2812 | |
|
|
2813 | /* TODO: linuxaio is very experimental */ |
|
|
2814 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2815 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2816 | #endif |
|
|
2817 | |
2494 | return flags; |
2818 | return flags; |
2495 | } |
2819 | } |
2496 | |
2820 | |
2497 | unsigned int ecb_cold |
2821 | ecb_cold |
|
|
2822 | unsigned int |
2498 | ev_embeddable_backends (void) EV_THROW |
2823 | ev_embeddable_backends (void) EV_NOEXCEPT |
2499 | { |
2824 | { |
2500 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2825 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2501 | |
2826 | |
2502 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2827 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2503 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2828 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2505 | |
2830 | |
2506 | return flags; |
2831 | return flags; |
2507 | } |
2832 | } |
2508 | |
2833 | |
2509 | unsigned int |
2834 | unsigned int |
2510 | ev_backend (EV_P) EV_THROW |
2835 | ev_backend (EV_P) EV_NOEXCEPT |
2511 | { |
2836 | { |
2512 | return backend; |
2837 | return backend; |
2513 | } |
2838 | } |
2514 | |
2839 | |
2515 | #if EV_FEATURE_API |
2840 | #if EV_FEATURE_API |
2516 | unsigned int |
2841 | unsigned int |
2517 | ev_iteration (EV_P) EV_THROW |
2842 | ev_iteration (EV_P) EV_NOEXCEPT |
2518 | { |
2843 | { |
2519 | return loop_count; |
2844 | return loop_count; |
2520 | } |
2845 | } |
2521 | |
2846 | |
2522 | unsigned int |
2847 | unsigned int |
2523 | ev_depth (EV_P) EV_THROW |
2848 | ev_depth (EV_P) EV_NOEXCEPT |
2524 | { |
2849 | { |
2525 | return loop_depth; |
2850 | return loop_depth; |
2526 | } |
2851 | } |
2527 | |
2852 | |
2528 | void |
2853 | void |
2529 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2854 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2530 | { |
2855 | { |
2531 | io_blocktime = interval; |
2856 | io_blocktime = interval; |
2532 | } |
2857 | } |
2533 | |
2858 | |
2534 | void |
2859 | void |
2535 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2860 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2536 | { |
2861 | { |
2537 | timeout_blocktime = interval; |
2862 | timeout_blocktime = interval; |
2538 | } |
2863 | } |
2539 | |
2864 | |
2540 | void |
2865 | void |
2541 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2866 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2542 | { |
2867 | { |
2543 | userdata = data; |
2868 | userdata = data; |
2544 | } |
2869 | } |
2545 | |
2870 | |
2546 | void * |
2871 | void * |
2547 | ev_userdata (EV_P) EV_THROW |
2872 | ev_userdata (EV_P) EV_NOEXCEPT |
2548 | { |
2873 | { |
2549 | return userdata; |
2874 | return userdata; |
2550 | } |
2875 | } |
2551 | |
2876 | |
2552 | void |
2877 | void |
2553 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2878 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2554 | { |
2879 | { |
2555 | invoke_cb = invoke_pending_cb; |
2880 | invoke_cb = invoke_pending_cb; |
2556 | } |
2881 | } |
2557 | |
2882 | |
2558 | void |
2883 | void |
2559 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2884 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2560 | { |
2885 | { |
2561 | release_cb = release; |
2886 | release_cb = release; |
2562 | acquire_cb = acquire; |
2887 | acquire_cb = acquire; |
2563 | } |
2888 | } |
2564 | #endif |
2889 | #endif |
2565 | |
2890 | |
2566 | /* initialise a loop structure, must be zero-initialised */ |
2891 | /* initialise a loop structure, must be zero-initialised */ |
2567 | static void noinline ecb_cold |
2892 | noinline ecb_cold |
|
|
2893 | static void |
2568 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2894 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2569 | { |
2895 | { |
2570 | if (!backend) |
2896 | if (!backend) |
2571 | { |
2897 | { |
2572 | origflags = flags; |
2898 | origflags = flags; |
2573 | |
2899 | |
… | |
… | |
2631 | |
2957 | |
2632 | if (!(flags & EVBACKEND_MASK)) |
2958 | if (!(flags & EVBACKEND_MASK)) |
2633 | flags |= ev_recommended_backends (); |
2959 | flags |= ev_recommended_backends (); |
2634 | |
2960 | |
2635 | #if EV_USE_IOCP |
2961 | #if EV_USE_IOCP |
2636 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2962 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2637 | #endif |
2963 | #endif |
2638 | #if EV_USE_PORT |
2964 | #if EV_USE_PORT |
2639 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2965 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2640 | #endif |
2966 | #endif |
2641 | #if EV_USE_KQUEUE |
2967 | #if EV_USE_KQUEUE |
2642 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2968 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2969 | #endif |
|
|
2970 | #if EV_USE_LINUXAIO |
|
|
2971 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2643 | #endif |
2972 | #endif |
2644 | #if EV_USE_EPOLL |
2973 | #if EV_USE_EPOLL |
2645 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2974 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2646 | #endif |
2975 | #endif |
2647 | #if EV_USE_POLL |
2976 | #if EV_USE_POLL |
2648 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2977 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2649 | #endif |
2978 | #endif |
2650 | #if EV_USE_SELECT |
2979 | #if EV_USE_SELECT |
2651 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2980 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2652 | #endif |
2981 | #endif |
2653 | |
2982 | |
2654 | ev_prepare_init (&pending_w, pendingcb); |
2983 | ev_prepare_init (&pending_w, pendingcb); |
2655 | |
2984 | |
2656 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2985 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2659 | #endif |
2988 | #endif |
2660 | } |
2989 | } |
2661 | } |
2990 | } |
2662 | |
2991 | |
2663 | /* free up a loop structure */ |
2992 | /* free up a loop structure */ |
2664 | void ecb_cold |
2993 | ecb_cold |
|
|
2994 | void |
2665 | ev_loop_destroy (EV_P) |
2995 | ev_loop_destroy (EV_P) |
2666 | { |
2996 | { |
2667 | int i; |
2997 | int i; |
2668 | |
2998 | |
2669 | #if EV_MULTIPLICITY |
2999 | #if EV_MULTIPLICITY |
… | |
… | |
2710 | |
3040 | |
2711 | if (backend_fd >= 0) |
3041 | if (backend_fd >= 0) |
2712 | close (backend_fd); |
3042 | close (backend_fd); |
2713 | |
3043 | |
2714 | #if EV_USE_IOCP |
3044 | #if EV_USE_IOCP |
2715 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3045 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2716 | #endif |
3046 | #endif |
2717 | #if EV_USE_PORT |
3047 | #if EV_USE_PORT |
2718 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3048 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2719 | #endif |
3049 | #endif |
2720 | #if EV_USE_KQUEUE |
3050 | #if EV_USE_KQUEUE |
2721 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3051 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3052 | #endif |
|
|
3053 | #if EV_USE_LINUXAIO |
|
|
3054 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2722 | #endif |
3055 | #endif |
2723 | #if EV_USE_EPOLL |
3056 | #if EV_USE_EPOLL |
2724 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3057 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2725 | #endif |
3058 | #endif |
2726 | #if EV_USE_POLL |
3059 | #if EV_USE_POLL |
2727 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3060 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2728 | #endif |
3061 | #endif |
2729 | #if EV_USE_SELECT |
3062 | #if EV_USE_SELECT |
2730 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3063 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2731 | #endif |
3064 | #endif |
2732 | |
3065 | |
2733 | for (i = NUMPRI; i--; ) |
3066 | for (i = NUMPRI; i--; ) |
2734 | { |
3067 | { |
2735 | array_free (pending, [i]); |
3068 | array_free (pending, [i]); |
… | |
… | |
2777 | |
3110 | |
2778 | inline_size void |
3111 | inline_size void |
2779 | loop_fork (EV_P) |
3112 | loop_fork (EV_P) |
2780 | { |
3113 | { |
2781 | #if EV_USE_PORT |
3114 | #if EV_USE_PORT |
2782 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3115 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2783 | #endif |
3116 | #endif |
2784 | #if EV_USE_KQUEUE |
3117 | #if EV_USE_KQUEUE |
2785 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3118 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3119 | #endif |
|
|
3120 | #if EV_USE_LINUXAIO |
|
|
3121 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2786 | #endif |
3122 | #endif |
2787 | #if EV_USE_EPOLL |
3123 | #if EV_USE_EPOLL |
2788 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3124 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2789 | #endif |
3125 | #endif |
2790 | #if EV_USE_INOTIFY |
3126 | #if EV_USE_INOTIFY |
2791 | infy_fork (EV_A); |
3127 | infy_fork (EV_A); |
2792 | #endif |
3128 | #endif |
2793 | |
3129 | |
2794 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3130 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2795 | if (ev_is_active (&pipe_w)) |
3131 | if (ev_is_active (&pipe_w) && postfork != 2) |
2796 | { |
3132 | { |
2797 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3133 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2798 | |
3134 | |
2799 | ev_ref (EV_A); |
3135 | ev_ref (EV_A); |
2800 | ev_io_stop (EV_A_ &pipe_w); |
3136 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2811 | postfork = 0; |
3147 | postfork = 0; |
2812 | } |
3148 | } |
2813 | |
3149 | |
2814 | #if EV_MULTIPLICITY |
3150 | #if EV_MULTIPLICITY |
2815 | |
3151 | |
|
|
3152 | ecb_cold |
2816 | struct ev_loop * ecb_cold |
3153 | struct ev_loop * |
2817 | ev_loop_new (unsigned int flags) EV_THROW |
3154 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2818 | { |
3155 | { |
2819 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3156 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2820 | |
3157 | |
2821 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3158 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2822 | loop_init (EV_A_ flags); |
3159 | loop_init (EV_A_ flags); |
… | |
… | |
2829 | } |
3166 | } |
2830 | |
3167 | |
2831 | #endif /* multiplicity */ |
3168 | #endif /* multiplicity */ |
2832 | |
3169 | |
2833 | #if EV_VERIFY |
3170 | #if EV_VERIFY |
2834 | static void noinline ecb_cold |
3171 | noinline ecb_cold |
|
|
3172 | static void |
2835 | verify_watcher (EV_P_ W w) |
3173 | verify_watcher (EV_P_ W w) |
2836 | { |
3174 | { |
2837 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3175 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2838 | |
3176 | |
2839 | if (w->pending) |
3177 | if (w->pending) |
2840 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3178 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2841 | } |
3179 | } |
2842 | |
3180 | |
2843 | static void noinline ecb_cold |
3181 | noinline ecb_cold |
|
|
3182 | static void |
2844 | verify_heap (EV_P_ ANHE *heap, int N) |
3183 | verify_heap (EV_P_ ANHE *heap, int N) |
2845 | { |
3184 | { |
2846 | int i; |
3185 | int i; |
2847 | |
3186 | |
2848 | for (i = HEAP0; i < N + HEAP0; ++i) |
3187 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2853 | |
3192 | |
2854 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3193 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2855 | } |
3194 | } |
2856 | } |
3195 | } |
2857 | |
3196 | |
2858 | static void noinline ecb_cold |
3197 | noinline ecb_cold |
|
|
3198 | static void |
2859 | array_verify (EV_P_ W *ws, int cnt) |
3199 | array_verify (EV_P_ W *ws, int cnt) |
2860 | { |
3200 | { |
2861 | while (cnt--) |
3201 | while (cnt--) |
2862 | { |
3202 | { |
2863 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3203 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2866 | } |
3206 | } |
2867 | #endif |
3207 | #endif |
2868 | |
3208 | |
2869 | #if EV_FEATURE_API |
3209 | #if EV_FEATURE_API |
2870 | void ecb_cold |
3210 | void ecb_cold |
2871 | ev_verify (EV_P) EV_THROW |
3211 | ev_verify (EV_P) EV_NOEXCEPT |
2872 | { |
3212 | { |
2873 | #if EV_VERIFY |
3213 | #if EV_VERIFY |
2874 | int i; |
3214 | int i; |
2875 | WL w, w2; |
3215 | WL w, w2; |
2876 | |
3216 | |
… | |
… | |
2952 | #endif |
3292 | #endif |
2953 | } |
3293 | } |
2954 | #endif |
3294 | #endif |
2955 | |
3295 | |
2956 | #if EV_MULTIPLICITY |
3296 | #if EV_MULTIPLICITY |
|
|
3297 | ecb_cold |
2957 | struct ev_loop * ecb_cold |
3298 | struct ev_loop * |
2958 | #else |
3299 | #else |
2959 | int |
3300 | int |
2960 | #endif |
3301 | #endif |
2961 | ev_default_loop (unsigned int flags) EV_THROW |
3302 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2962 | { |
3303 | { |
2963 | if (!ev_default_loop_ptr) |
3304 | if (!ev_default_loop_ptr) |
2964 | { |
3305 | { |
2965 | #if EV_MULTIPLICITY |
3306 | #if EV_MULTIPLICITY |
2966 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3307 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2985 | |
3326 | |
2986 | return ev_default_loop_ptr; |
3327 | return ev_default_loop_ptr; |
2987 | } |
3328 | } |
2988 | |
3329 | |
2989 | void |
3330 | void |
2990 | ev_loop_fork (EV_P) EV_THROW |
3331 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2991 | { |
3332 | { |
2992 | postfork = 1; |
3333 | postfork = 1; |
2993 | } |
3334 | } |
2994 | |
3335 | |
2995 | /*****************************************************************************/ |
3336 | /*****************************************************************************/ |
… | |
… | |
2999 | { |
3340 | { |
3000 | EV_CB_INVOKE ((W)w, revents); |
3341 | EV_CB_INVOKE ((W)w, revents); |
3001 | } |
3342 | } |
3002 | |
3343 | |
3003 | unsigned int |
3344 | unsigned int |
3004 | ev_pending_count (EV_P) EV_THROW |
3345 | ev_pending_count (EV_P) EV_NOEXCEPT |
3005 | { |
3346 | { |
3006 | int pri; |
3347 | int pri; |
3007 | unsigned int count = 0; |
3348 | unsigned int count = 0; |
3008 | |
3349 | |
3009 | for (pri = NUMPRI; pri--; ) |
3350 | for (pri = NUMPRI; pri--; ) |
3010 | count += pendingcnt [pri]; |
3351 | count += pendingcnt [pri]; |
3011 | |
3352 | |
3012 | return count; |
3353 | return count; |
3013 | } |
3354 | } |
3014 | |
3355 | |
3015 | void noinline |
3356 | noinline |
|
|
3357 | void |
3016 | ev_invoke_pending (EV_P) |
3358 | ev_invoke_pending (EV_P) |
3017 | { |
3359 | { |
3018 | pendingpri = NUMPRI; |
3360 | pendingpri = NUMPRI; |
3019 | |
3361 | |
3020 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3362 | do |
3021 | { |
3363 | { |
3022 | --pendingpri; |
3364 | --pendingpri; |
3023 | |
3365 | |
|
|
3366 | /* pendingpri possibly gets modified in the inner loop */ |
3024 | while (pendingcnt [pendingpri]) |
3367 | while (pendingcnt [pendingpri]) |
3025 | { |
3368 | { |
3026 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3369 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3027 | |
3370 | |
3028 | p->w->pending = 0; |
3371 | p->w->pending = 0; |
3029 | EV_CB_INVOKE (p->w, p->events); |
3372 | EV_CB_INVOKE (p->w, p->events); |
3030 | EV_FREQUENT_CHECK; |
3373 | EV_FREQUENT_CHECK; |
3031 | } |
3374 | } |
3032 | } |
3375 | } |
|
|
3376 | while (pendingpri); |
3033 | } |
3377 | } |
3034 | |
3378 | |
3035 | #if EV_IDLE_ENABLE |
3379 | #if EV_IDLE_ENABLE |
3036 | /* make idle watchers pending. this handles the "call-idle */ |
3380 | /* make idle watchers pending. this handles the "call-idle */ |
3037 | /* only when higher priorities are idle" logic */ |
3381 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3095 | } |
3439 | } |
3096 | } |
3440 | } |
3097 | |
3441 | |
3098 | #if EV_PERIODIC_ENABLE |
3442 | #if EV_PERIODIC_ENABLE |
3099 | |
3443 | |
3100 | static void noinline |
3444 | noinline |
|
|
3445 | static void |
3101 | periodic_recalc (EV_P_ ev_periodic *w) |
3446 | periodic_recalc (EV_P_ ev_periodic *w) |
3102 | { |
3447 | { |
3103 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3448 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3104 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3449 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3105 | |
3450 | |
… | |
… | |
3163 | } |
3508 | } |
3164 | } |
3509 | } |
3165 | |
3510 | |
3166 | /* simply recalculate all periodics */ |
3511 | /* simply recalculate all periodics */ |
3167 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3512 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3168 | static void noinline ecb_cold |
3513 | noinline ecb_cold |
|
|
3514 | static void |
3169 | periodics_reschedule (EV_P) |
3515 | periodics_reschedule (EV_P) |
3170 | { |
3516 | { |
3171 | int i; |
3517 | int i; |
3172 | |
3518 | |
3173 | /* adjust periodics after time jump */ |
3519 | /* adjust periodics after time jump */ |
… | |
… | |
3186 | reheap (periodics, periodiccnt); |
3532 | reheap (periodics, periodiccnt); |
3187 | } |
3533 | } |
3188 | #endif |
3534 | #endif |
3189 | |
3535 | |
3190 | /* adjust all timers by a given offset */ |
3536 | /* adjust all timers by a given offset */ |
3191 | static void noinline ecb_cold |
3537 | noinline ecb_cold |
|
|
3538 | static void |
3192 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3539 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3193 | { |
3540 | { |
3194 | int i; |
3541 | int i; |
3195 | |
3542 | |
3196 | for (i = 0; i < timercnt; ++i) |
3543 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3443 | |
3790 | |
3444 | return activecnt; |
3791 | return activecnt; |
3445 | } |
3792 | } |
3446 | |
3793 | |
3447 | void |
3794 | void |
3448 | ev_break (EV_P_ int how) EV_THROW |
3795 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3449 | { |
3796 | { |
3450 | loop_done = how; |
3797 | loop_done = how; |
3451 | } |
3798 | } |
3452 | |
3799 | |
3453 | void |
3800 | void |
3454 | ev_ref (EV_P) EV_THROW |
3801 | ev_ref (EV_P) EV_NOEXCEPT |
3455 | { |
3802 | { |
3456 | ++activecnt; |
3803 | ++activecnt; |
3457 | } |
3804 | } |
3458 | |
3805 | |
3459 | void |
3806 | void |
3460 | ev_unref (EV_P) EV_THROW |
3807 | ev_unref (EV_P) EV_NOEXCEPT |
3461 | { |
3808 | { |
3462 | --activecnt; |
3809 | --activecnt; |
3463 | } |
3810 | } |
3464 | |
3811 | |
3465 | void |
3812 | void |
3466 | ev_now_update (EV_P) EV_THROW |
3813 | ev_now_update (EV_P) EV_NOEXCEPT |
3467 | { |
3814 | { |
3468 | time_update (EV_A_ 1e100); |
3815 | time_update (EV_A_ 1e100); |
3469 | } |
3816 | } |
3470 | |
3817 | |
3471 | void |
3818 | void |
3472 | ev_suspend (EV_P) EV_THROW |
3819 | ev_suspend (EV_P) EV_NOEXCEPT |
3473 | { |
3820 | { |
3474 | ev_now_update (EV_A); |
3821 | ev_now_update (EV_A); |
3475 | } |
3822 | } |
3476 | |
3823 | |
3477 | void |
3824 | void |
3478 | ev_resume (EV_P) EV_THROW |
3825 | ev_resume (EV_P) EV_NOEXCEPT |
3479 | { |
3826 | { |
3480 | ev_tstamp mn_prev = mn_now; |
3827 | ev_tstamp mn_prev = mn_now; |
3481 | |
3828 | |
3482 | ev_now_update (EV_A); |
3829 | ev_now_update (EV_A); |
3483 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3830 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3522 | w->pending = 0; |
3869 | w->pending = 0; |
3523 | } |
3870 | } |
3524 | } |
3871 | } |
3525 | |
3872 | |
3526 | int |
3873 | int |
3527 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3874 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3528 | { |
3875 | { |
3529 | W w_ = (W)w; |
3876 | W w_ = (W)w; |
3530 | int pending = w_->pending; |
3877 | int pending = w_->pending; |
3531 | |
3878 | |
3532 | if (expect_true (pending)) |
3879 | if (expect_true (pending)) |
… | |
… | |
3564 | w->active = 0; |
3911 | w->active = 0; |
3565 | } |
3912 | } |
3566 | |
3913 | |
3567 | /*****************************************************************************/ |
3914 | /*****************************************************************************/ |
3568 | |
3915 | |
3569 | void noinline |
3916 | noinline |
|
|
3917 | void |
3570 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3918 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3571 | { |
3919 | { |
3572 | int fd = w->fd; |
3920 | int fd = w->fd; |
3573 | |
3921 | |
3574 | if (expect_false (ev_is_active (w))) |
3922 | if (expect_false (ev_is_active (w))) |
3575 | return; |
3923 | return; |
… | |
… | |
3578 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3926 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3579 | |
3927 | |
3580 | EV_FREQUENT_CHECK; |
3928 | EV_FREQUENT_CHECK; |
3581 | |
3929 | |
3582 | ev_start (EV_A_ (W)w, 1); |
3930 | ev_start (EV_A_ (W)w, 1); |
3583 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3931 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3584 | wlist_add (&anfds[fd].head, (WL)w); |
3932 | wlist_add (&anfds[fd].head, (WL)w); |
3585 | |
3933 | |
3586 | /* common bug, apparently */ |
3934 | /* common bug, apparently */ |
3587 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3935 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3588 | |
3936 | |
… | |
… | |
3590 | w->events &= ~EV__IOFDSET; |
3938 | w->events &= ~EV__IOFDSET; |
3591 | |
3939 | |
3592 | EV_FREQUENT_CHECK; |
3940 | EV_FREQUENT_CHECK; |
3593 | } |
3941 | } |
3594 | |
3942 | |
3595 | void noinline |
3943 | noinline |
|
|
3944 | void |
3596 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3945 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3597 | { |
3946 | { |
3598 | clear_pending (EV_A_ (W)w); |
3947 | clear_pending (EV_A_ (W)w); |
3599 | if (expect_false (!ev_is_active (w))) |
3948 | if (expect_false (!ev_is_active (w))) |
3600 | return; |
3949 | return; |
3601 | |
3950 | |
… | |
… | |
3609 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3958 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3610 | |
3959 | |
3611 | EV_FREQUENT_CHECK; |
3960 | EV_FREQUENT_CHECK; |
3612 | } |
3961 | } |
3613 | |
3962 | |
3614 | void noinline |
3963 | noinline |
|
|
3964 | void |
3615 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3965 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3616 | { |
3966 | { |
3617 | if (expect_false (ev_is_active (w))) |
3967 | if (expect_false (ev_is_active (w))) |
3618 | return; |
3968 | return; |
3619 | |
3969 | |
3620 | ev_at (w) += mn_now; |
3970 | ev_at (w) += mn_now; |
… | |
… | |
3623 | |
3973 | |
3624 | EV_FREQUENT_CHECK; |
3974 | EV_FREQUENT_CHECK; |
3625 | |
3975 | |
3626 | ++timercnt; |
3976 | ++timercnt; |
3627 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3977 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3628 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3978 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3629 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3979 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3630 | ANHE_at_cache (timers [ev_active (w)]); |
3980 | ANHE_at_cache (timers [ev_active (w)]); |
3631 | upheap (timers, ev_active (w)); |
3981 | upheap (timers, ev_active (w)); |
3632 | |
3982 | |
3633 | EV_FREQUENT_CHECK; |
3983 | EV_FREQUENT_CHECK; |
3634 | |
3984 | |
3635 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3985 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3636 | } |
3986 | } |
3637 | |
3987 | |
3638 | void noinline |
3988 | noinline |
|
|
3989 | void |
3639 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3990 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3640 | { |
3991 | { |
3641 | clear_pending (EV_A_ (W)w); |
3992 | clear_pending (EV_A_ (W)w); |
3642 | if (expect_false (!ev_is_active (w))) |
3993 | if (expect_false (!ev_is_active (w))) |
3643 | return; |
3994 | return; |
3644 | |
3995 | |
… | |
… | |
3663 | ev_stop (EV_A_ (W)w); |
4014 | ev_stop (EV_A_ (W)w); |
3664 | |
4015 | |
3665 | EV_FREQUENT_CHECK; |
4016 | EV_FREQUENT_CHECK; |
3666 | } |
4017 | } |
3667 | |
4018 | |
3668 | void noinline |
4019 | noinline |
|
|
4020 | void |
3669 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4021 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3670 | { |
4022 | { |
3671 | EV_FREQUENT_CHECK; |
4023 | EV_FREQUENT_CHECK; |
3672 | |
4024 | |
3673 | clear_pending (EV_A_ (W)w); |
4025 | clear_pending (EV_A_ (W)w); |
3674 | |
4026 | |
… | |
… | |
3691 | |
4043 | |
3692 | EV_FREQUENT_CHECK; |
4044 | EV_FREQUENT_CHECK; |
3693 | } |
4045 | } |
3694 | |
4046 | |
3695 | ev_tstamp |
4047 | ev_tstamp |
3696 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4048 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3697 | { |
4049 | { |
3698 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4050 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3699 | } |
4051 | } |
3700 | |
4052 | |
3701 | #if EV_PERIODIC_ENABLE |
4053 | #if EV_PERIODIC_ENABLE |
3702 | void noinline |
4054 | noinline |
|
|
4055 | void |
3703 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4056 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3704 | { |
4057 | { |
3705 | if (expect_false (ev_is_active (w))) |
4058 | if (expect_false (ev_is_active (w))) |
3706 | return; |
4059 | return; |
3707 | |
4060 | |
3708 | if (w->reschedule_cb) |
4061 | if (w->reschedule_cb) |
… | |
… | |
3717 | |
4070 | |
3718 | EV_FREQUENT_CHECK; |
4071 | EV_FREQUENT_CHECK; |
3719 | |
4072 | |
3720 | ++periodiccnt; |
4073 | ++periodiccnt; |
3721 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4074 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3722 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4075 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3723 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4076 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3724 | ANHE_at_cache (periodics [ev_active (w)]); |
4077 | ANHE_at_cache (periodics [ev_active (w)]); |
3725 | upheap (periodics, ev_active (w)); |
4078 | upheap (periodics, ev_active (w)); |
3726 | |
4079 | |
3727 | EV_FREQUENT_CHECK; |
4080 | EV_FREQUENT_CHECK; |
3728 | |
4081 | |
3729 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4082 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3730 | } |
4083 | } |
3731 | |
4084 | |
3732 | void noinline |
4085 | noinline |
|
|
4086 | void |
3733 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4087 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3734 | { |
4088 | { |
3735 | clear_pending (EV_A_ (W)w); |
4089 | clear_pending (EV_A_ (W)w); |
3736 | if (expect_false (!ev_is_active (w))) |
4090 | if (expect_false (!ev_is_active (w))) |
3737 | return; |
4091 | return; |
3738 | |
4092 | |
… | |
… | |
3755 | ev_stop (EV_A_ (W)w); |
4109 | ev_stop (EV_A_ (W)w); |
3756 | |
4110 | |
3757 | EV_FREQUENT_CHECK; |
4111 | EV_FREQUENT_CHECK; |
3758 | } |
4112 | } |
3759 | |
4113 | |
3760 | void noinline |
4114 | noinline |
|
|
4115 | void |
3761 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4116 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3762 | { |
4117 | { |
3763 | /* TODO: use adjustheap and recalculation */ |
4118 | /* TODO: use adjustheap and recalculation */ |
3764 | ev_periodic_stop (EV_A_ w); |
4119 | ev_periodic_stop (EV_A_ w); |
3765 | ev_periodic_start (EV_A_ w); |
4120 | ev_periodic_start (EV_A_ w); |
3766 | } |
4121 | } |
… | |
… | |
3770 | # define SA_RESTART 0 |
4125 | # define SA_RESTART 0 |
3771 | #endif |
4126 | #endif |
3772 | |
4127 | |
3773 | #if EV_SIGNAL_ENABLE |
4128 | #if EV_SIGNAL_ENABLE |
3774 | |
4129 | |
3775 | void noinline |
4130 | noinline |
|
|
4131 | void |
3776 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4132 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3777 | { |
4133 | { |
3778 | if (expect_false (ev_is_active (w))) |
4134 | if (expect_false (ev_is_active (w))) |
3779 | return; |
4135 | return; |
3780 | |
4136 | |
3781 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4137 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3852 | } |
4208 | } |
3853 | |
4209 | |
3854 | EV_FREQUENT_CHECK; |
4210 | EV_FREQUENT_CHECK; |
3855 | } |
4211 | } |
3856 | |
4212 | |
3857 | void noinline |
4213 | noinline |
|
|
4214 | void |
3858 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4215 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3859 | { |
4216 | { |
3860 | clear_pending (EV_A_ (W)w); |
4217 | clear_pending (EV_A_ (W)w); |
3861 | if (expect_false (!ev_is_active (w))) |
4218 | if (expect_false (!ev_is_active (w))) |
3862 | return; |
4219 | return; |
3863 | |
4220 | |
… | |
… | |
3894 | #endif |
4251 | #endif |
3895 | |
4252 | |
3896 | #if EV_CHILD_ENABLE |
4253 | #if EV_CHILD_ENABLE |
3897 | |
4254 | |
3898 | void |
4255 | void |
3899 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4256 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3900 | { |
4257 | { |
3901 | #if EV_MULTIPLICITY |
4258 | #if EV_MULTIPLICITY |
3902 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4259 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3903 | #endif |
4260 | #endif |
3904 | if (expect_false (ev_is_active (w))) |
4261 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3911 | |
4268 | |
3912 | EV_FREQUENT_CHECK; |
4269 | EV_FREQUENT_CHECK; |
3913 | } |
4270 | } |
3914 | |
4271 | |
3915 | void |
4272 | void |
3916 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4273 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3917 | { |
4274 | { |
3918 | clear_pending (EV_A_ (W)w); |
4275 | clear_pending (EV_A_ (W)w); |
3919 | if (expect_false (!ev_is_active (w))) |
4276 | if (expect_false (!ev_is_active (w))) |
3920 | return; |
4277 | return; |
3921 | |
4278 | |
… | |
… | |
3938 | |
4295 | |
3939 | #define DEF_STAT_INTERVAL 5.0074891 |
4296 | #define DEF_STAT_INTERVAL 5.0074891 |
3940 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4297 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3941 | #define MIN_STAT_INTERVAL 0.1074891 |
4298 | #define MIN_STAT_INTERVAL 0.1074891 |
3942 | |
4299 | |
3943 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4300 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3944 | |
4301 | |
3945 | #if EV_USE_INOTIFY |
4302 | #if EV_USE_INOTIFY |
3946 | |
4303 | |
3947 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4304 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3948 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4305 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3949 | |
4306 | |
3950 | static void noinline |
4307 | noinline |
|
|
4308 | static void |
3951 | infy_add (EV_P_ ev_stat *w) |
4309 | infy_add (EV_P_ ev_stat *w) |
3952 | { |
4310 | { |
3953 | w->wd = inotify_add_watch (fs_fd, w->path, |
4311 | w->wd = inotify_add_watch (fs_fd, w->path, |
3954 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4312 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3955 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4313 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4019 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4377 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4020 | ev_timer_again (EV_A_ &w->timer); |
4378 | ev_timer_again (EV_A_ &w->timer); |
4021 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4379 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4022 | } |
4380 | } |
4023 | |
4381 | |
4024 | static void noinline |
4382 | noinline |
|
|
4383 | static void |
4025 | infy_del (EV_P_ ev_stat *w) |
4384 | infy_del (EV_P_ ev_stat *w) |
4026 | { |
4385 | { |
4027 | int slot; |
4386 | int slot; |
4028 | int wd = w->wd; |
4387 | int wd = w->wd; |
4029 | |
4388 | |
… | |
… | |
4036 | |
4395 | |
4037 | /* remove this watcher, if others are watching it, they will rearm */ |
4396 | /* remove this watcher, if others are watching it, they will rearm */ |
4038 | inotify_rm_watch (fs_fd, wd); |
4397 | inotify_rm_watch (fs_fd, wd); |
4039 | } |
4398 | } |
4040 | |
4399 | |
4041 | static void noinline |
4400 | noinline |
|
|
4401 | static void |
4042 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4402 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4043 | { |
4403 | { |
4044 | if (slot < 0) |
4404 | if (slot < 0) |
4045 | /* overflow, need to check for all hash slots */ |
4405 | /* overflow, need to check for all hash slots */ |
4046 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4406 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4082 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4442 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4083 | ofs += sizeof (struct inotify_event) + ev->len; |
4443 | ofs += sizeof (struct inotify_event) + ev->len; |
4084 | } |
4444 | } |
4085 | } |
4445 | } |
4086 | |
4446 | |
4087 | inline_size void ecb_cold |
4447 | inline_size ecb_cold |
|
|
4448 | void |
4088 | ev_check_2625 (EV_P) |
4449 | ev_check_2625 (EV_P) |
4089 | { |
4450 | { |
4090 | /* kernels < 2.6.25 are borked |
4451 | /* kernels < 2.6.25 are borked |
4091 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4452 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4092 | */ |
4453 | */ |
… | |
… | |
4182 | #else |
4543 | #else |
4183 | # define EV_LSTAT(p,b) lstat (p, b) |
4544 | # define EV_LSTAT(p,b) lstat (p, b) |
4184 | #endif |
4545 | #endif |
4185 | |
4546 | |
4186 | void |
4547 | void |
4187 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4548 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4188 | { |
4549 | { |
4189 | if (lstat (w->path, &w->attr) < 0) |
4550 | if (lstat (w->path, &w->attr) < 0) |
4190 | w->attr.st_nlink = 0; |
4551 | w->attr.st_nlink = 0; |
4191 | else if (!w->attr.st_nlink) |
4552 | else if (!w->attr.st_nlink) |
4192 | w->attr.st_nlink = 1; |
4553 | w->attr.st_nlink = 1; |
4193 | } |
4554 | } |
4194 | |
4555 | |
4195 | static void noinline |
4556 | noinline |
|
|
4557 | static void |
4196 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4558 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4197 | { |
4559 | { |
4198 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4560 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4199 | |
4561 | |
4200 | ev_statdata prev = w->attr; |
4562 | ev_statdata prev = w->attr; |
… | |
… | |
4231 | ev_feed_event (EV_A_ w, EV_STAT); |
4593 | ev_feed_event (EV_A_ w, EV_STAT); |
4232 | } |
4594 | } |
4233 | } |
4595 | } |
4234 | |
4596 | |
4235 | void |
4597 | void |
4236 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4598 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4237 | { |
4599 | { |
4238 | if (expect_false (ev_is_active (w))) |
4600 | if (expect_false (ev_is_active (w))) |
4239 | return; |
4601 | return; |
4240 | |
4602 | |
4241 | ev_stat_stat (EV_A_ w); |
4603 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4262 | |
4624 | |
4263 | EV_FREQUENT_CHECK; |
4625 | EV_FREQUENT_CHECK; |
4264 | } |
4626 | } |
4265 | |
4627 | |
4266 | void |
4628 | void |
4267 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4629 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4268 | { |
4630 | { |
4269 | clear_pending (EV_A_ (W)w); |
4631 | clear_pending (EV_A_ (W)w); |
4270 | if (expect_false (!ev_is_active (w))) |
4632 | if (expect_false (!ev_is_active (w))) |
4271 | return; |
4633 | return; |
4272 | |
4634 | |
… | |
… | |
4288 | } |
4650 | } |
4289 | #endif |
4651 | #endif |
4290 | |
4652 | |
4291 | #if EV_IDLE_ENABLE |
4653 | #if EV_IDLE_ENABLE |
4292 | void |
4654 | void |
4293 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4655 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4294 | { |
4656 | { |
4295 | if (expect_false (ev_is_active (w))) |
4657 | if (expect_false (ev_is_active (w))) |
4296 | return; |
4658 | return; |
4297 | |
4659 | |
4298 | pri_adjust (EV_A_ (W)w); |
4660 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4303 | int active = ++idlecnt [ABSPRI (w)]; |
4665 | int active = ++idlecnt [ABSPRI (w)]; |
4304 | |
4666 | |
4305 | ++idleall; |
4667 | ++idleall; |
4306 | ev_start (EV_A_ (W)w, active); |
4668 | ev_start (EV_A_ (W)w, active); |
4307 | |
4669 | |
4308 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4670 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4309 | idles [ABSPRI (w)][active - 1] = w; |
4671 | idles [ABSPRI (w)][active - 1] = w; |
4310 | } |
4672 | } |
4311 | |
4673 | |
4312 | EV_FREQUENT_CHECK; |
4674 | EV_FREQUENT_CHECK; |
4313 | } |
4675 | } |
4314 | |
4676 | |
4315 | void |
4677 | void |
4316 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4678 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4317 | { |
4679 | { |
4318 | clear_pending (EV_A_ (W)w); |
4680 | clear_pending (EV_A_ (W)w); |
4319 | if (expect_false (!ev_is_active (w))) |
4681 | if (expect_false (!ev_is_active (w))) |
4320 | return; |
4682 | return; |
4321 | |
4683 | |
… | |
… | |
4335 | } |
4697 | } |
4336 | #endif |
4698 | #endif |
4337 | |
4699 | |
4338 | #if EV_PREPARE_ENABLE |
4700 | #if EV_PREPARE_ENABLE |
4339 | void |
4701 | void |
4340 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4702 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4341 | { |
4703 | { |
4342 | if (expect_false (ev_is_active (w))) |
4704 | if (expect_false (ev_is_active (w))) |
4343 | return; |
4705 | return; |
4344 | |
4706 | |
4345 | EV_FREQUENT_CHECK; |
4707 | EV_FREQUENT_CHECK; |
4346 | |
4708 | |
4347 | ev_start (EV_A_ (W)w, ++preparecnt); |
4709 | ev_start (EV_A_ (W)w, ++preparecnt); |
4348 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4710 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4349 | prepares [preparecnt - 1] = w; |
4711 | prepares [preparecnt - 1] = w; |
4350 | |
4712 | |
4351 | EV_FREQUENT_CHECK; |
4713 | EV_FREQUENT_CHECK; |
4352 | } |
4714 | } |
4353 | |
4715 | |
4354 | void |
4716 | void |
4355 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4717 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4356 | { |
4718 | { |
4357 | clear_pending (EV_A_ (W)w); |
4719 | clear_pending (EV_A_ (W)w); |
4358 | if (expect_false (!ev_is_active (w))) |
4720 | if (expect_false (!ev_is_active (w))) |
4359 | return; |
4721 | return; |
4360 | |
4722 | |
… | |
… | |
4373 | } |
4735 | } |
4374 | #endif |
4736 | #endif |
4375 | |
4737 | |
4376 | #if EV_CHECK_ENABLE |
4738 | #if EV_CHECK_ENABLE |
4377 | void |
4739 | void |
4378 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4740 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4379 | { |
4741 | { |
4380 | if (expect_false (ev_is_active (w))) |
4742 | if (expect_false (ev_is_active (w))) |
4381 | return; |
4743 | return; |
4382 | |
4744 | |
4383 | EV_FREQUENT_CHECK; |
4745 | EV_FREQUENT_CHECK; |
4384 | |
4746 | |
4385 | ev_start (EV_A_ (W)w, ++checkcnt); |
4747 | ev_start (EV_A_ (W)w, ++checkcnt); |
4386 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4748 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4387 | checks [checkcnt - 1] = w; |
4749 | checks [checkcnt - 1] = w; |
4388 | |
4750 | |
4389 | EV_FREQUENT_CHECK; |
4751 | EV_FREQUENT_CHECK; |
4390 | } |
4752 | } |
4391 | |
4753 | |
4392 | void |
4754 | void |
4393 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4755 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4394 | { |
4756 | { |
4395 | clear_pending (EV_A_ (W)w); |
4757 | clear_pending (EV_A_ (W)w); |
4396 | if (expect_false (!ev_is_active (w))) |
4758 | if (expect_false (!ev_is_active (w))) |
4397 | return; |
4759 | return; |
4398 | |
4760 | |
… | |
… | |
4410 | EV_FREQUENT_CHECK; |
4772 | EV_FREQUENT_CHECK; |
4411 | } |
4773 | } |
4412 | #endif |
4774 | #endif |
4413 | |
4775 | |
4414 | #if EV_EMBED_ENABLE |
4776 | #if EV_EMBED_ENABLE |
4415 | void noinline |
4777 | noinline |
|
|
4778 | void |
4416 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4779 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4417 | { |
4780 | { |
4418 | ev_run (w->other, EVRUN_NOWAIT); |
4781 | ev_run (w->other, EVRUN_NOWAIT); |
4419 | } |
4782 | } |
4420 | |
4783 | |
4421 | static void |
4784 | static void |
… | |
… | |
4469 | ev_idle_stop (EV_A_ idle); |
4832 | ev_idle_stop (EV_A_ idle); |
4470 | } |
4833 | } |
4471 | #endif |
4834 | #endif |
4472 | |
4835 | |
4473 | void |
4836 | void |
4474 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4837 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4475 | { |
4838 | { |
4476 | if (expect_false (ev_is_active (w))) |
4839 | if (expect_false (ev_is_active (w))) |
4477 | return; |
4840 | return; |
4478 | |
4841 | |
4479 | { |
4842 | { |
… | |
… | |
4500 | |
4863 | |
4501 | EV_FREQUENT_CHECK; |
4864 | EV_FREQUENT_CHECK; |
4502 | } |
4865 | } |
4503 | |
4866 | |
4504 | void |
4867 | void |
4505 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4868 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4506 | { |
4869 | { |
4507 | clear_pending (EV_A_ (W)w); |
4870 | clear_pending (EV_A_ (W)w); |
4508 | if (expect_false (!ev_is_active (w))) |
4871 | if (expect_false (!ev_is_active (w))) |
4509 | return; |
4872 | return; |
4510 | |
4873 | |
… | |
… | |
4520 | } |
4883 | } |
4521 | #endif |
4884 | #endif |
4522 | |
4885 | |
4523 | #if EV_FORK_ENABLE |
4886 | #if EV_FORK_ENABLE |
4524 | void |
4887 | void |
4525 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4888 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4526 | { |
4889 | { |
4527 | if (expect_false (ev_is_active (w))) |
4890 | if (expect_false (ev_is_active (w))) |
4528 | return; |
4891 | return; |
4529 | |
4892 | |
4530 | EV_FREQUENT_CHECK; |
4893 | EV_FREQUENT_CHECK; |
4531 | |
4894 | |
4532 | ev_start (EV_A_ (W)w, ++forkcnt); |
4895 | ev_start (EV_A_ (W)w, ++forkcnt); |
4533 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4896 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4534 | forks [forkcnt - 1] = w; |
4897 | forks [forkcnt - 1] = w; |
4535 | |
4898 | |
4536 | EV_FREQUENT_CHECK; |
4899 | EV_FREQUENT_CHECK; |
4537 | } |
4900 | } |
4538 | |
4901 | |
4539 | void |
4902 | void |
4540 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4903 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4541 | { |
4904 | { |
4542 | clear_pending (EV_A_ (W)w); |
4905 | clear_pending (EV_A_ (W)w); |
4543 | if (expect_false (!ev_is_active (w))) |
4906 | if (expect_false (!ev_is_active (w))) |
4544 | return; |
4907 | return; |
4545 | |
4908 | |
… | |
… | |
4558 | } |
4921 | } |
4559 | #endif |
4922 | #endif |
4560 | |
4923 | |
4561 | #if EV_CLEANUP_ENABLE |
4924 | #if EV_CLEANUP_ENABLE |
4562 | void |
4925 | void |
4563 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4926 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4564 | { |
4927 | { |
4565 | if (expect_false (ev_is_active (w))) |
4928 | if (expect_false (ev_is_active (w))) |
4566 | return; |
4929 | return; |
4567 | |
4930 | |
4568 | EV_FREQUENT_CHECK; |
4931 | EV_FREQUENT_CHECK; |
4569 | |
4932 | |
4570 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4933 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4571 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4934 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4572 | cleanups [cleanupcnt - 1] = w; |
4935 | cleanups [cleanupcnt - 1] = w; |
4573 | |
4936 | |
4574 | /* cleanup watchers should never keep a refcount on the loop */ |
4937 | /* cleanup watchers should never keep a refcount on the loop */ |
4575 | ev_unref (EV_A); |
4938 | ev_unref (EV_A); |
4576 | EV_FREQUENT_CHECK; |
4939 | EV_FREQUENT_CHECK; |
4577 | } |
4940 | } |
4578 | |
4941 | |
4579 | void |
4942 | void |
4580 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4943 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4581 | { |
4944 | { |
4582 | clear_pending (EV_A_ (W)w); |
4945 | clear_pending (EV_A_ (W)w); |
4583 | if (expect_false (!ev_is_active (w))) |
4946 | if (expect_false (!ev_is_active (w))) |
4584 | return; |
4947 | return; |
4585 | |
4948 | |
… | |
… | |
4599 | } |
4962 | } |
4600 | #endif |
4963 | #endif |
4601 | |
4964 | |
4602 | #if EV_ASYNC_ENABLE |
4965 | #if EV_ASYNC_ENABLE |
4603 | void |
4966 | void |
4604 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4967 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4605 | { |
4968 | { |
4606 | if (expect_false (ev_is_active (w))) |
4969 | if (expect_false (ev_is_active (w))) |
4607 | return; |
4970 | return; |
4608 | |
4971 | |
4609 | w->sent = 0; |
4972 | w->sent = 0; |
… | |
… | |
4611 | evpipe_init (EV_A); |
4974 | evpipe_init (EV_A); |
4612 | |
4975 | |
4613 | EV_FREQUENT_CHECK; |
4976 | EV_FREQUENT_CHECK; |
4614 | |
4977 | |
4615 | ev_start (EV_A_ (W)w, ++asynccnt); |
4978 | ev_start (EV_A_ (W)w, ++asynccnt); |
4616 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4979 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4617 | asyncs [asynccnt - 1] = w; |
4980 | asyncs [asynccnt - 1] = w; |
4618 | |
4981 | |
4619 | EV_FREQUENT_CHECK; |
4982 | EV_FREQUENT_CHECK; |
4620 | } |
4983 | } |
4621 | |
4984 | |
4622 | void |
4985 | void |
4623 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4986 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4624 | { |
4987 | { |
4625 | clear_pending (EV_A_ (W)w); |
4988 | clear_pending (EV_A_ (W)w); |
4626 | if (expect_false (!ev_is_active (w))) |
4989 | if (expect_false (!ev_is_active (w))) |
4627 | return; |
4990 | return; |
4628 | |
4991 | |
… | |
… | |
4639 | |
5002 | |
4640 | EV_FREQUENT_CHECK; |
5003 | EV_FREQUENT_CHECK; |
4641 | } |
5004 | } |
4642 | |
5005 | |
4643 | void |
5006 | void |
4644 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5007 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4645 | { |
5008 | { |
4646 | w->sent = 1; |
5009 | w->sent = 1; |
4647 | evpipe_write (EV_A_ &async_pending); |
5010 | evpipe_write (EV_A_ &async_pending); |
4648 | } |
5011 | } |
4649 | #endif |
5012 | #endif |
… | |
… | |
4686 | |
5049 | |
4687 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5050 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4688 | } |
5051 | } |
4689 | |
5052 | |
4690 | void |
5053 | void |
4691 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5054 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4692 | { |
5055 | { |
4693 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5056 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4694 | |
|
|
4695 | if (expect_false (!once)) |
|
|
4696 | { |
|
|
4697 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4698 | return; |
|
|
4699 | } |
|
|
4700 | |
5057 | |
4701 | once->cb = cb; |
5058 | once->cb = cb; |
4702 | once->arg = arg; |
5059 | once->arg = arg; |
4703 | |
5060 | |
4704 | ev_init (&once->io, once_cb_io); |
5061 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4717 | } |
5074 | } |
4718 | |
5075 | |
4719 | /*****************************************************************************/ |
5076 | /*****************************************************************************/ |
4720 | |
5077 | |
4721 | #if EV_WALK_ENABLE |
5078 | #if EV_WALK_ENABLE |
4722 | void ecb_cold |
5079 | ecb_cold |
|
|
5080 | void |
4723 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5081 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4724 | { |
5082 | { |
4725 | int i, j; |
5083 | int i, j; |
4726 | ev_watcher_list *wl, *wn; |
5084 | ev_watcher_list *wl, *wn; |
4727 | |
5085 | |
4728 | if (types & (EV_IO | EV_EMBED)) |
5086 | if (types & (EV_IO | EV_EMBED)) |