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 |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
162 | # define EV_USE_EVENTFD 0 |
163 | # endif |
163 | # endif |
164 | |
164 | |
165 | #endif |
165 | #endif |
166 | |
166 | |
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167 | /* OS X, in its infinite idiocy, actually HARDCODES |
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168 | * a limit of 1024 into their select. Where people have brains, |
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169 | * OS X engineers apparently have a vacuum. Or maybe they were |
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170 | * ordered to have a vacuum, or they do anything for money. |
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171 | * This might help. Or not. |
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172 | * Note that this must be defined early, as other include files |
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173 | * will rely on this define as well. |
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174 | */ |
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175 | #define _DARWIN_UNLIMITED_SELECT 1 |
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176 | |
167 | #include <stdlib.h> |
177 | #include <stdlib.h> |
168 | #include <string.h> |
178 | #include <string.h> |
169 | #include <fcntl.h> |
179 | #include <fcntl.h> |
170 | #include <stddef.h> |
180 | #include <stddef.h> |
171 | |
181 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
218 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
219 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
220 | # endif |
211 | # undef EV_AVOID_STDIO |
221 | # undef EV_AVOID_STDIO |
212 | #endif |
222 | #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 | |
223 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
224 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
225 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
226 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
227 | #if defined EV_NSIG |
… | |
… | |
241 | #elif defined SIGARRAYSIZE |
243 | #elif defined SIGARRAYSIZE |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
244 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
243 | #elif defined _sys_nsig |
245 | #elif defined _sys_nsig |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
246 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
245 | #else |
247 | #else |
246 | # error "unable to find value for NSIG, please report" |
248 | # 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 |
249 | #endif |
251 | |
250 | |
252 | #ifndef EV_USE_FLOOR |
251 | #ifndef EV_USE_FLOOR |
253 | # define EV_USE_FLOOR 0 |
252 | # define EV_USE_FLOOR 0 |
254 | #endif |
253 | #endif |
255 | |
254 | |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
255 | #ifndef EV_USE_CLOCK_SYSCALL |
257 | # if __linux && __GLIBC__ >= 2 |
256 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
257 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
259 | # else |
258 | # else |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
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260 | # endif |
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261 | #endif |
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262 | |
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263 | #if !(_POSIX_TIMERS > 0) |
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264 | # ifndef EV_USE_MONOTONIC |
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265 | # define EV_USE_MONOTONIC 0 |
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266 | # endif |
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267 | # ifndef EV_USE_REALTIME |
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268 | # define EV_USE_REALTIME 0 |
261 | # endif |
269 | # endif |
262 | #endif |
270 | #endif |
263 | |
271 | |
264 | #ifndef EV_USE_MONOTONIC |
272 | #ifndef EV_USE_MONOTONIC |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
273 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
… | |
… | |
307 | |
315 | |
308 | #ifndef EV_USE_PORT |
316 | #ifndef EV_USE_PORT |
309 | # define EV_USE_PORT 0 |
317 | # define EV_USE_PORT 0 |
310 | #endif |
318 | #endif |
311 | |
319 | |
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320 | #ifndef EV_USE_LINUXAIO |
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321 | # define EV_USE_LINUXAIO 0 |
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322 | #endif |
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323 | |
312 | #ifndef EV_USE_INOTIFY |
324 | #ifndef EV_USE_INOTIFY |
313 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
325 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
314 | # define EV_USE_INOTIFY EV_FEATURE_OS |
326 | # define EV_USE_INOTIFY EV_FEATURE_OS |
315 | # else |
327 | # else |
316 | # define EV_USE_INOTIFY 0 |
328 | # define EV_USE_INOTIFY 0 |
… | |
… | |
355 | # define EV_USE_4HEAP EV_FEATURE_DATA |
367 | # define EV_USE_4HEAP EV_FEATURE_DATA |
356 | #endif |
368 | #endif |
357 | |
369 | |
358 | #ifndef EV_HEAP_CACHE_AT |
370 | #ifndef EV_HEAP_CACHE_AT |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
371 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
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372 | #endif |
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373 | |
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374 | #ifdef __ANDROID__ |
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375 | /* supposedly, android doesn't typedef fd_mask */ |
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376 | # undef EV_USE_SELECT |
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377 | # define EV_USE_SELECT 0 |
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378 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
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379 | # undef EV_USE_CLOCK_SYSCALL |
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380 | # define EV_USE_CLOCK_SYSCALL 0 |
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381 | #endif |
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382 | |
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383 | /* aix's poll.h seems to cause lots of trouble */ |
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384 | #ifdef _AIX |
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385 | /* AIX has a completely broken poll.h header */ |
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386 | # undef EV_USE_POLL |
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387 | # define EV_USE_POLL 0 |
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388 | #endif |
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389 | |
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390 | #if EV_USE_LINUXAIO |
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391 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
360 | #endif |
392 | #endif |
361 | |
393 | |
362 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
394 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
395 | /* which makes programs even slower. might work on other unices, too. */ |
364 | #if EV_USE_CLOCK_SYSCALL |
396 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
372 | # define EV_USE_CLOCK_SYSCALL 0 |
404 | # define EV_USE_CLOCK_SYSCALL 0 |
373 | # endif |
405 | # endif |
374 | #endif |
406 | #endif |
375 | |
407 | |
376 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
408 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
377 | |
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378 | #ifdef _AIX |
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379 | /* AIX has a completely broken poll.h header */ |
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380 | # undef EV_USE_POLL |
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381 | # define EV_USE_POLL 0 |
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382 | #endif |
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383 | |
409 | |
384 | #ifndef CLOCK_MONOTONIC |
410 | #ifndef CLOCK_MONOTONIC |
385 | # undef EV_USE_MONOTONIC |
411 | # undef EV_USE_MONOTONIC |
386 | # define EV_USE_MONOTONIC 0 |
412 | # define EV_USE_MONOTONIC 0 |
387 | #endif |
413 | #endif |
… | |
… | |
475 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
501 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
476 | /* ECB.H BEGIN */ |
502 | /* ECB.H BEGIN */ |
477 | /* |
503 | /* |
478 | * libecb - http://software.schmorp.de/pkg/libecb |
504 | * libecb - http://software.schmorp.de/pkg/libecb |
479 | * |
505 | * |
480 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
506 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
481 | * Copyright (©) 2011 Emanuele Giaquinta |
507 | * Copyright (©) 2011 Emanuele Giaquinta |
482 | * All rights reserved. |
508 | * All rights reserved. |
483 | * |
509 | * |
484 | * Redistribution and use in source and binary forms, with or without modifica- |
510 | * Redistribution and use in source and binary forms, with or without modifica- |
485 | * tion, are permitted provided that the following conditions are met: |
511 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
499 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
525 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
500 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
526 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
501 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
527 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
502 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
528 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
503 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
529 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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530 | * |
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531 | * Alternatively, the contents of this file may be used under the terms of |
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532 | * the GNU General Public License ("GPL") version 2 or any later version, |
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533 | * in which case the provisions of the GPL are applicable instead of |
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534 | * the above. If you wish to allow the use of your version of this file |
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535 | * only under the terms of the GPL and not to allow others to use your |
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536 | * version of this file under the BSD license, indicate your decision |
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537 | * by deleting the provisions above and replace them with the notice |
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538 | * and other provisions required by the GPL. If you do not delete the |
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539 | * provisions above, a recipient may use your version of this file under |
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540 | * either the BSD or the GPL. |
504 | */ |
541 | */ |
505 | |
542 | |
506 | #ifndef ECB_H |
543 | #ifndef ECB_H |
507 | #define ECB_H |
544 | #define ECB_H |
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545 | |
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546 | /* 16 bits major, 16 bits minor */ |
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547 | #define ECB_VERSION 0x00010005 |
508 | |
548 | |
509 | #ifdef _WIN32 |
549 | #ifdef _WIN32 |
510 | typedef signed char int8_t; |
550 | typedef signed char int8_t; |
511 | typedef unsigned char uint8_t; |
551 | typedef unsigned char uint8_t; |
512 | typedef signed short int16_t; |
552 | typedef signed short int16_t; |
… | |
… | |
518 | typedef unsigned long long uint64_t; |
558 | typedef unsigned long long uint64_t; |
519 | #else /* _MSC_VER || __BORLANDC__ */ |
559 | #else /* _MSC_VER || __BORLANDC__ */ |
520 | typedef signed __int64 int64_t; |
560 | typedef signed __int64 int64_t; |
521 | typedef unsigned __int64 uint64_t; |
561 | typedef unsigned __int64 uint64_t; |
522 | #endif |
562 | #endif |
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563 | #ifdef _WIN64 |
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564 | #define ECB_PTRSIZE 8 |
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565 | typedef uint64_t uintptr_t; |
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566 | typedef int64_t intptr_t; |
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567 | #else |
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568 | #define ECB_PTRSIZE 4 |
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569 | typedef uint32_t uintptr_t; |
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570 | typedef int32_t intptr_t; |
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571 | #endif |
523 | #else |
572 | #else |
524 | #include <inttypes.h> |
573 | #include <inttypes.h> |
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574 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
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575 | #define ECB_PTRSIZE 8 |
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576 | #else |
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577 | #define ECB_PTRSIZE 4 |
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578 | #endif |
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579 | #endif |
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580 | |
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581 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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582 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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583 | |
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584 | /* work around x32 idiocy by defining proper macros */ |
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585 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
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586 | #if _ILP32 |
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587 | #define ECB_AMD64_X32 1 |
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588 | #else |
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589 | #define ECB_AMD64 1 |
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590 | #endif |
525 | #endif |
591 | #endif |
526 | |
592 | |
527 | /* many compilers define _GNUC_ to some versions but then only implement |
593 | /* many compilers define _GNUC_ to some versions but then only implement |
528 | * what their idiot authors think are the "more important" extensions, |
594 | * what their idiot authors think are the "more important" extensions, |
529 | * causing enormous grief in return for some better fake benchmark numbers. |
595 | * causing enormous grief in return for some better fake benchmark numbers. |
530 | * or so. |
596 | * or so. |
531 | * we try to detect these and simply assume they are not gcc - if they have |
597 | * we try to detect these and simply assume they are not gcc - if they have |
532 | * an issue with that they should have done it right in the first place. |
598 | * an issue with that they should have done it right in the first place. |
533 | */ |
599 | */ |
534 | #ifndef ECB_GCC_VERSION |
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535 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
600 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
536 | #define ECB_GCC_VERSION(major,minor) 0 |
601 | #define ECB_GCC_VERSION(major,minor) 0 |
537 | #else |
602 | #else |
538 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
603 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
539 | #endif |
604 | #endif |
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605 | |
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606 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
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607 | |
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608 | #if __clang__ && defined __has_builtin |
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609 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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610 | #else |
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611 | #define ECB_CLANG_BUILTIN(x) 0 |
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612 | #endif |
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613 | |
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614 | #if __clang__ && defined __has_extension |
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615 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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616 | #else |
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617 | #define ECB_CLANG_EXTENSION(x) 0 |
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618 | #endif |
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619 | |
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620 | #define ECB_CPP (__cplusplus+0) |
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621 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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622 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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623 | #define ECB_CPP17 (__cplusplus >= 201703L) |
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624 | |
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625 | #if ECB_CPP |
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626 | #define ECB_C 0 |
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627 | #define ECB_STDC_VERSION 0 |
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628 | #else |
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629 | #define ECB_C 1 |
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630 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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631 | #endif |
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632 | |
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633 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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634 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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635 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
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636 | |
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637 | #if ECB_CPP |
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638 | #define ECB_EXTERN_C extern "C" |
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639 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
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640 | #define ECB_EXTERN_C_END } |
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641 | #else |
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642 | #define ECB_EXTERN_C extern |
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643 | #define ECB_EXTERN_C_BEG |
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644 | #define ECB_EXTERN_C_END |
540 | #endif |
645 | #endif |
541 | |
646 | |
542 | /*****************************************************************************/ |
647 | /*****************************************************************************/ |
543 | |
648 | |
544 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
649 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
545 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
650 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
546 | |
651 | |
547 | #if ECB_NO_THREADS |
652 | #if ECB_NO_THREADS |
548 | # define ECB_NO_SMP 1 |
653 | #define ECB_NO_SMP 1 |
549 | #endif |
654 | #endif |
550 | |
655 | |
551 | #if ECB_NO_THREADS || ECB_NO_SMP |
656 | #if ECB_NO_SMP |
552 | #define ECB_MEMORY_FENCE do { } while (0) |
657 | #define ECB_MEMORY_FENCE do { } while (0) |
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658 | #endif |
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659 | |
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660 | /* 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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661 | #if __xlC__ && ECB_CPP |
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662 | #include <builtins.h> |
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663 | #endif |
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664 | |
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665 | #if 1400 <= _MSC_VER |
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666 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
553 | #endif |
667 | #endif |
554 | |
668 | |
555 | #ifndef ECB_MEMORY_FENCE |
669 | #ifndef ECB_MEMORY_FENCE |
556 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
670 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
557 | #if __i386 || __i386__ |
671 | #if __i386 || __i386__ |
558 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
559 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
673 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
560 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
674 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
561 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
675 | #elif ECB_GCC_AMD64 |
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
676 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
563 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
677 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
564 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
678 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
565 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
679 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
680 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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681 | #elif defined __ARM_ARCH_2__ \ |
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|
682 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
683 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
684 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
685 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
686 | || defined __ARM_ARCH_5TEJ__ |
|
|
687 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
567 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
688 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
568 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
689 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
690 | || defined __ARM_ARCH_6T2__ |
569 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
691 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
570 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
692 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
571 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
693 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
572 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
694 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
573 | #elif __sparc || __sparc__ |
695 | #elif __aarch64__ |
|
|
696 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
697 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
574 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
698 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
575 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
699 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
576 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
700 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
577 | #elif defined __s390__ || defined __s390x__ |
701 | #elif defined __s390__ || defined __s390x__ |
578 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
702 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
579 | #elif defined __mips__ |
703 | #elif defined __mips__ |
|
|
704 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
705 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
580 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
706 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
581 | #elif defined __alpha__ |
707 | #elif defined __alpha__ |
582 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
708 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
709 | #elif defined __hppa__ |
|
|
710 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
711 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
712 | #elif defined __ia64__ |
|
|
713 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
714 | #elif defined __m68k__ |
|
|
715 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
716 | #elif defined __m88k__ |
|
|
717 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
718 | #elif defined __sh__ |
|
|
719 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
583 | #endif |
720 | #endif |
584 | #endif |
721 | #endif |
585 | #endif |
722 | #endif |
586 | |
723 | |
587 | #ifndef ECB_MEMORY_FENCE |
724 | #ifndef ECB_MEMORY_FENCE |
|
|
725 | #if ECB_GCC_VERSION(4,7) |
|
|
726 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
727 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
728 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
729 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
730 | |
|
|
731 | #elif ECB_CLANG_EXTENSION(c_atomic) |
|
|
732 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
733 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
734 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
735 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
736 | |
588 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
737 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
589 | #define ECB_MEMORY_FENCE __sync_synchronize () |
738 | #define ECB_MEMORY_FENCE __sync_synchronize () |
590 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
739 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
591 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
740 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
741 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
742 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
743 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
744 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
592 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
745 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
593 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
746 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
594 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
747 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
595 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
748 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
596 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
749 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
… | |
… | |
606 | #define ECB_MEMORY_FENCE __sync () |
759 | #define ECB_MEMORY_FENCE __sync () |
607 | #endif |
760 | #endif |
608 | #endif |
761 | #endif |
609 | |
762 | |
610 | #ifndef ECB_MEMORY_FENCE |
763 | #ifndef ECB_MEMORY_FENCE |
|
|
764 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
765 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
766 | /* not just C11 atomics and atomic accesses */ |
|
|
767 | #include <stdatomic.h> |
|
|
768 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
769 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
770 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
771 | /* for most usages, or gcc and clang have a bug */ |
|
|
772 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
773 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
774 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
775 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
776 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
777 | #endif |
|
|
778 | #endif |
|
|
779 | |
|
|
780 | #ifndef ECB_MEMORY_FENCE |
611 | #if !ECB_AVOID_PTHREADS |
781 | #if !ECB_AVOID_PTHREADS |
612 | /* |
782 | /* |
613 | * if you get undefined symbol references to pthread_mutex_lock, |
783 | * if you get undefined symbol references to pthread_mutex_lock, |
614 | * or failure to find pthread.h, then you should implement |
784 | * or failure to find pthread.h, then you should implement |
615 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
785 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
… | |
… | |
633 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
803 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
634 | #endif |
804 | #endif |
635 | |
805 | |
636 | /*****************************************************************************/ |
806 | /*****************************************************************************/ |
637 | |
807 | |
638 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
808 | #if ECB_CPP |
639 | |
|
|
640 | #if __cplusplus |
|
|
641 | #define ecb_inline static inline |
809 | #define ecb_inline static inline |
642 | #elif ECB_GCC_VERSION(2,5) |
810 | #elif ECB_GCC_VERSION(2,5) |
643 | #define ecb_inline static __inline__ |
811 | #define ecb_inline static __inline__ |
644 | #elif ECB_C99 |
812 | #elif ECB_C99 |
645 | #define ecb_inline static inline |
813 | #define ecb_inline static inline |
… | |
… | |
659 | |
827 | |
660 | #define ECB_CONCAT_(a, b) a ## b |
828 | #define ECB_CONCAT_(a, b) a ## b |
661 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
829 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
662 | #define ECB_STRINGIFY_(a) # a |
830 | #define ECB_STRINGIFY_(a) # a |
663 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
831 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
832 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
664 | |
833 | |
665 | #define ecb_function_ ecb_inline |
834 | #define ecb_function_ ecb_inline |
666 | |
835 | |
667 | #if ECB_GCC_VERSION(3,1) |
836 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
668 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
837 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
838 | #else |
|
|
839 | #define ecb_attribute(attrlist) |
|
|
840 | #endif |
|
|
841 | |
|
|
842 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
669 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
843 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
844 | #else |
|
|
845 | /* possible C11 impl for integral types |
|
|
846 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
847 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
848 | |
|
|
849 | #define ecb_is_constant(expr) 0 |
|
|
850 | #endif |
|
|
851 | |
|
|
852 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
670 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
853 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
854 | #else |
|
|
855 | #define ecb_expect(expr,value) (expr) |
|
|
856 | #endif |
|
|
857 | |
|
|
858 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
671 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
859 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
672 | #else |
860 | #else |
673 | #define ecb_attribute(attrlist) |
|
|
674 | #define ecb_is_constant(expr) 0 |
|
|
675 | #define ecb_expect(expr,value) (expr) |
|
|
676 | #define ecb_prefetch(addr,rw,locality) |
861 | #define ecb_prefetch(addr,rw,locality) |
677 | #endif |
862 | #endif |
678 | |
863 | |
679 | /* no emulation for ecb_decltype */ |
864 | /* no emulation for ecb_decltype */ |
680 | #if ECB_GCC_VERSION(4,5) |
865 | #if ECB_CPP11 |
|
|
866 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
867 | template<class T> struct ecb_decltype_t { typedef T type; }; |
681 | #define ecb_decltype(x) __decltype(x) |
868 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
682 | #elif ECB_GCC_VERSION(3,0) |
869 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
683 | #define ecb_decltype(x) __typeof(x) |
870 | #define ecb_decltype(x) __typeof__ (x) |
684 | #endif |
871 | #endif |
685 | |
872 | |
|
|
873 | #if _MSC_VER >= 1300 |
|
|
874 | #define ecb_deprecated __declspec (deprecated) |
|
|
875 | #else |
|
|
876 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if _MSC_VER >= 1500 |
|
|
880 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
881 | #elif ECB_GCC_VERSION(4,5) |
|
|
882 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
883 | #else |
|
|
884 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
885 | #endif |
|
|
886 | |
|
|
887 | #if _MSC_VER >= 1400 |
|
|
888 | #define ecb_noinline __declspec (noinline) |
|
|
889 | #else |
686 | #define ecb_noinline ecb_attribute ((__noinline__)) |
890 | #define ecb_noinline ecb_attribute ((__noinline__)) |
687 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
891 | #endif |
|
|
892 | |
688 | #define ecb_unused ecb_attribute ((__unused__)) |
893 | #define ecb_unused ecb_attribute ((__unused__)) |
689 | #define ecb_const ecb_attribute ((__const__)) |
894 | #define ecb_const ecb_attribute ((__const__)) |
690 | #define ecb_pure ecb_attribute ((__pure__)) |
895 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
896 | |
|
|
897 | #if ECB_C11 || __IBMC_NORETURN |
|
|
898 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
|
|
899 | #define ecb_noreturn _Noreturn |
|
|
900 | #elif ECB_CPP11 |
|
|
901 | #define ecb_noreturn [[noreturn]] |
|
|
902 | #elif _MSC_VER >= 1200 |
|
|
903 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
904 | #define ecb_noreturn __declspec (noreturn) |
|
|
905 | #else |
|
|
906 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
907 | #endif |
691 | |
908 | |
692 | #if ECB_GCC_VERSION(4,3) |
909 | #if ECB_GCC_VERSION(4,3) |
693 | #define ecb_artificial ecb_attribute ((__artificial__)) |
910 | #define ecb_artificial ecb_attribute ((__artificial__)) |
694 | #define ecb_hot ecb_attribute ((__hot__)) |
911 | #define ecb_hot ecb_attribute ((__hot__)) |
695 | #define ecb_cold ecb_attribute ((__cold__)) |
912 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
707 | /* for compatibility to the rest of the world */ |
924 | /* for compatibility to the rest of the world */ |
708 | #define ecb_likely(expr) ecb_expect_true (expr) |
925 | #define ecb_likely(expr) ecb_expect_true (expr) |
709 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
926 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
710 | |
927 | |
711 | /* count trailing zero bits and count # of one bits */ |
928 | /* count trailing zero bits and count # of one bits */ |
712 | #if ECB_GCC_VERSION(3,4) |
929 | #if ECB_GCC_VERSION(3,4) \ |
|
|
930 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
931 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
932 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
713 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
933 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
714 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
934 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
715 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
935 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
716 | #define ecb_ctz32(x) __builtin_ctz (x) |
936 | #define ecb_ctz32(x) __builtin_ctz (x) |
717 | #define ecb_ctz64(x) __builtin_ctzll (x) |
937 | #define ecb_ctz64(x) __builtin_ctzll (x) |
718 | #define ecb_popcount32(x) __builtin_popcount (x) |
938 | #define ecb_popcount32(x) __builtin_popcount (x) |
719 | /* no popcountll */ |
939 | /* no popcountll */ |
720 | #else |
940 | #else |
721 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
941 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
722 | ecb_function_ int |
942 | ecb_function_ ecb_const int |
723 | ecb_ctz32 (uint32_t x) |
943 | ecb_ctz32 (uint32_t x) |
724 | { |
944 | { |
|
|
945 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
946 | unsigned long r; |
|
|
947 | _BitScanForward (&r, x); |
|
|
948 | return (int)r; |
|
|
949 | #else |
725 | int r = 0; |
950 | int r = 0; |
726 | |
951 | |
727 | x &= ~x + 1; /* this isolates the lowest bit */ |
952 | x &= ~x + 1; /* this isolates the lowest bit */ |
728 | |
953 | |
729 | #if ECB_branchless_on_i386 |
954 | #if ECB_branchless_on_i386 |
… | |
… | |
739 | if (x & 0xff00ff00) r += 8; |
964 | if (x & 0xff00ff00) r += 8; |
740 | if (x & 0xffff0000) r += 16; |
965 | if (x & 0xffff0000) r += 16; |
741 | #endif |
966 | #endif |
742 | |
967 | |
743 | return r; |
968 | return r; |
|
|
969 | #endif |
744 | } |
970 | } |
745 | |
971 | |
746 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
972 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
747 | ecb_function_ int |
973 | ecb_function_ ecb_const int |
748 | ecb_ctz64 (uint64_t x) |
974 | ecb_ctz64 (uint64_t x) |
749 | { |
975 | { |
|
|
976 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
977 | unsigned long r; |
|
|
978 | _BitScanForward64 (&r, x); |
|
|
979 | return (int)r; |
|
|
980 | #else |
750 | int shift = x & 0xffffffffU ? 0 : 32; |
981 | int shift = x & 0xffffffff ? 0 : 32; |
751 | return ecb_ctz32 (x >> shift) + shift; |
982 | return ecb_ctz32 (x >> shift) + shift; |
|
|
983 | #endif |
752 | } |
984 | } |
753 | |
985 | |
754 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
986 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
755 | ecb_function_ int |
987 | ecb_function_ ecb_const int |
756 | ecb_popcount32 (uint32_t x) |
988 | ecb_popcount32 (uint32_t x) |
757 | { |
989 | { |
758 | x -= (x >> 1) & 0x55555555; |
990 | x -= (x >> 1) & 0x55555555; |
759 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
991 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
760 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
992 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
761 | x *= 0x01010101; |
993 | x *= 0x01010101; |
762 | |
994 | |
763 | return x >> 24; |
995 | return x >> 24; |
764 | } |
996 | } |
765 | |
997 | |
766 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
998 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
767 | ecb_function_ int ecb_ld32 (uint32_t x) |
999 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
768 | { |
1000 | { |
|
|
1001 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1002 | unsigned long r; |
|
|
1003 | _BitScanReverse (&r, x); |
|
|
1004 | return (int)r; |
|
|
1005 | #else |
769 | int r = 0; |
1006 | int r = 0; |
770 | |
1007 | |
771 | if (x >> 16) { x >>= 16; r += 16; } |
1008 | if (x >> 16) { x >>= 16; r += 16; } |
772 | if (x >> 8) { x >>= 8; r += 8; } |
1009 | if (x >> 8) { x >>= 8; r += 8; } |
773 | if (x >> 4) { x >>= 4; r += 4; } |
1010 | if (x >> 4) { x >>= 4; r += 4; } |
774 | if (x >> 2) { x >>= 2; r += 2; } |
1011 | if (x >> 2) { x >>= 2; r += 2; } |
775 | if (x >> 1) { r += 1; } |
1012 | if (x >> 1) { r += 1; } |
776 | |
1013 | |
777 | return r; |
1014 | return r; |
|
|
1015 | #endif |
778 | } |
1016 | } |
779 | |
1017 | |
780 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1018 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
781 | ecb_function_ int ecb_ld64 (uint64_t x) |
1019 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
782 | { |
1020 | { |
|
|
1021 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1022 | unsigned long r; |
|
|
1023 | _BitScanReverse64 (&r, x); |
|
|
1024 | return (int)r; |
|
|
1025 | #else |
783 | int r = 0; |
1026 | int r = 0; |
784 | |
1027 | |
785 | if (x >> 32) { x >>= 32; r += 32; } |
1028 | if (x >> 32) { x >>= 32; r += 32; } |
786 | |
1029 | |
787 | return r + ecb_ld32 (x); |
1030 | return r + ecb_ld32 (x); |
|
|
1031 | #endif |
788 | } |
1032 | } |
789 | #endif |
1033 | #endif |
790 | |
1034 | |
|
|
1035 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
|
|
1036 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
1037 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
|
|
1038 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
1039 | |
791 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1040 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
792 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1041 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
793 | { |
1042 | { |
794 | return ( (x * 0x0802U & 0x22110U) |
1043 | return ( (x * 0x0802U & 0x22110U) |
795 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1044 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
796 | } |
1045 | } |
797 | |
1046 | |
798 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1047 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
799 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1048 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
800 | { |
1049 | { |
801 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1050 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
802 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1051 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
803 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1052 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
804 | x = ( x >> 8 ) | ( x << 8); |
1053 | x = ( x >> 8 ) | ( x << 8); |
805 | |
1054 | |
806 | return x; |
1055 | return x; |
807 | } |
1056 | } |
808 | |
1057 | |
809 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1058 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
810 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1059 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
811 | { |
1060 | { |
812 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1061 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
813 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1062 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
814 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1063 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
815 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1064 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
818 | return x; |
1067 | return x; |
819 | } |
1068 | } |
820 | |
1069 | |
821 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1070 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
822 | /* so for this version we are lazy */ |
1071 | /* so for this version we are lazy */ |
823 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1072 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
824 | ecb_function_ int |
1073 | ecb_function_ ecb_const int |
825 | ecb_popcount64 (uint64_t x) |
1074 | ecb_popcount64 (uint64_t x) |
826 | { |
1075 | { |
827 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1076 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
828 | } |
1077 | } |
829 | |
1078 | |
830 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1079 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
831 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1080 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
832 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1081 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
833 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1082 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
834 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1083 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
835 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1084 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
836 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1085 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
837 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1086 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
838 | |
1087 | |
839 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1088 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
840 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1089 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
841 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1090 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
842 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1091 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
843 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1092 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
844 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1093 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
845 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1094 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
846 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1095 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
847 | |
1096 | |
848 | #if ECB_GCC_VERSION(4,3) |
1097 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1098 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1099 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1100 | #else |
849 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1101 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1102 | #endif |
850 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1103 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
851 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1104 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1105 | #elif _MSC_VER |
|
|
1106 | #include <stdlib.h> |
|
|
1107 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1108 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1109 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
852 | #else |
1110 | #else |
853 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1111 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
854 | ecb_function_ uint16_t |
1112 | ecb_function_ ecb_const uint16_t |
855 | ecb_bswap16 (uint16_t x) |
1113 | ecb_bswap16 (uint16_t x) |
856 | { |
1114 | { |
857 | return ecb_rotl16 (x, 8); |
1115 | return ecb_rotl16 (x, 8); |
858 | } |
1116 | } |
859 | |
1117 | |
860 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1118 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
861 | ecb_function_ uint32_t |
1119 | ecb_function_ ecb_const uint32_t |
862 | ecb_bswap32 (uint32_t x) |
1120 | ecb_bswap32 (uint32_t x) |
863 | { |
1121 | { |
864 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1122 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
865 | } |
1123 | } |
866 | |
1124 | |
867 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1125 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
868 | ecb_function_ uint64_t |
1126 | ecb_function_ ecb_const uint64_t |
869 | ecb_bswap64 (uint64_t x) |
1127 | ecb_bswap64 (uint64_t x) |
870 | { |
1128 | { |
871 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1129 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
872 | } |
1130 | } |
873 | #endif |
1131 | #endif |
874 | |
1132 | |
875 | #if ECB_GCC_VERSION(4,5) |
1133 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
876 | #define ecb_unreachable() __builtin_unreachable () |
1134 | #define ecb_unreachable() __builtin_unreachable () |
877 | #else |
1135 | #else |
878 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1136 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
879 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1137 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
880 | ecb_inline void ecb_unreachable (void) { } |
1138 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
881 | #endif |
1139 | #endif |
882 | |
1140 | |
883 | /* try to tell the compiler that some condition is definitely true */ |
1141 | /* try to tell the compiler that some condition is definitely true */ |
884 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
1142 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
885 | |
1143 | |
886 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1144 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
887 | ecb_inline unsigned char |
1145 | ecb_inline ecb_const uint32_t |
888 | ecb_byteorder_helper (void) |
1146 | ecb_byteorder_helper (void) |
889 | { |
1147 | { |
890 | const uint32_t u = 0x11223344; |
1148 | /* the union code still generates code under pressure in gcc, */ |
891 | return *(unsigned char *)&u; |
1149 | /* but less than using pointers, and always seems to */ |
|
|
1150 | /* successfully return a constant. */ |
|
|
1151 | /* the reason why we have this horrible preprocessor mess */ |
|
|
1152 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
1153 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
1154 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1155 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1156 | #define ECB_LITTLE_ENDIAN 1 |
|
|
1157 | return 0x44332211; |
|
|
1158 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1159 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1160 | #define ECB_BIG_ENDIAN 1 |
|
|
1161 | return 0x11223344; |
|
|
1162 | #else |
|
|
1163 | union |
|
|
1164 | { |
|
|
1165 | uint8_t c[4]; |
|
|
1166 | uint32_t u; |
|
|
1167 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
|
|
1168 | return u.u; |
|
|
1169 | #endif |
892 | } |
1170 | } |
893 | |
1171 | |
894 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1172 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
895 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1173 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
896 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1174 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
897 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1175 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
898 | |
1176 | |
899 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1177 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
900 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1178 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
901 | #else |
1179 | #else |
902 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1180 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
903 | #endif |
1181 | #endif |
904 | |
1182 | |
905 | #if __cplusplus |
1183 | #if ECB_CPP |
906 | template<typename T> |
1184 | template<typename T> |
907 | static inline T ecb_div_rd (T val, T div) |
1185 | static inline T ecb_div_rd (T val, T div) |
908 | { |
1186 | { |
909 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1187 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
910 | } |
1188 | } |
… | |
… | |
927 | } |
1205 | } |
928 | #else |
1206 | #else |
929 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1207 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
930 | #endif |
1208 | #endif |
931 | |
1209 | |
|
|
1210 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1211 | ecb_function_ ecb_const uint32_t |
|
|
1212 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1213 | { |
|
|
1214 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1215 | int e = (x >> 10) & 0x001f; |
|
|
1216 | unsigned int m = x & 0x03ff; |
|
|
1217 | |
|
|
1218 | if (ecb_expect_false (e == 31)) |
|
|
1219 | /* infinity or NaN */ |
|
|
1220 | e = 255 - (127 - 15); |
|
|
1221 | else if (ecb_expect_false (!e)) |
|
|
1222 | { |
|
|
1223 | if (ecb_expect_true (!m)) |
|
|
1224 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1225 | e = 0 - (127 - 15); |
|
|
1226 | else |
|
|
1227 | { |
|
|
1228 | /* subnormal, renormalise */ |
|
|
1229 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1230 | |
|
|
1231 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1232 | e -= s - 1; |
|
|
1233 | } |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1237 | e += 127 - 15; |
|
|
1238 | |
|
|
1239 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1240 | } |
|
|
1241 | |
|
|
1242 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1243 | ecb_function_ ecb_const uint16_t |
|
|
1244 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1245 | { |
|
|
1246 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1247 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1248 | unsigned int m = x & 0x007fffff; |
|
|
1249 | |
|
|
1250 | x &= 0x7fffffff; |
|
|
1251 | |
|
|
1252 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1253 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1254 | { |
|
|
1255 | /* mantissa round-to-even */ |
|
|
1256 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1257 | |
|
|
1258 | /* handle overflow */ |
|
|
1259 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1260 | { |
|
|
1261 | m >>= 1; |
|
|
1262 | e += 1; |
|
|
1263 | } |
|
|
1264 | |
|
|
1265 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1266 | } |
|
|
1267 | |
|
|
1268 | /* handle large numbers and infinity */ |
|
|
1269 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1270 | return s | 0x7c00; |
|
|
1271 | |
|
|
1272 | /* handle zero, subnormals and small numbers */ |
|
|
1273 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1274 | { |
|
|
1275 | /* zero */ |
|
|
1276 | if (ecb_expect_true (!x)) |
|
|
1277 | return s; |
|
|
1278 | |
|
|
1279 | /* handle subnormals */ |
|
|
1280 | |
|
|
1281 | /* too small, will be zero */ |
|
|
1282 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1283 | return s; |
|
|
1284 | |
|
|
1285 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1286 | |
|
|
1287 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1288 | { |
|
|
1289 | unsigned int bits = 14 - e; |
|
|
1290 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1291 | unsigned int even = (m >> bits) & 1; |
|
|
1292 | |
|
|
1293 | /* if this overflows, we will end up with a normalised number */ |
|
|
1294 | m = (m + half + even) >> bits; |
|
|
1295 | } |
|
|
1296 | |
|
|
1297 | return s | m; |
|
|
1298 | } |
|
|
1299 | |
|
|
1300 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1301 | m >>= 13; |
|
|
1302 | |
|
|
1303 | return s | 0x7c00 | m | !m; |
|
|
1304 | } |
|
|
1305 | |
|
|
1306 | /*******************************************************************************/ |
|
|
1307 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1308 | |
|
|
1309 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1310 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1311 | #if 0 \ |
|
|
1312 | || __i386 || __i386__ \ |
|
|
1313 | || ECB_GCC_AMD64 \ |
|
|
1314 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1315 | || defined __s390__ || defined __s390x__ \ |
|
|
1316 | || defined __mips__ \ |
|
|
1317 | || defined __alpha__ \ |
|
|
1318 | || defined __hppa__ \ |
|
|
1319 | || defined __ia64__ \ |
|
|
1320 | || defined __m68k__ \ |
|
|
1321 | || defined __m88k__ \ |
|
|
1322 | || defined __sh__ \ |
|
|
1323 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1324 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1325 | || defined __aarch64__ |
|
|
1326 | #define ECB_STDFP 1 |
|
|
1327 | #include <string.h> /* for memcpy */ |
|
|
1328 | #else |
|
|
1329 | #define ECB_STDFP 0 |
|
|
1330 | #endif |
|
|
1331 | |
|
|
1332 | #ifndef ECB_NO_LIBM |
|
|
1333 | |
|
|
1334 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1335 | |
|
|
1336 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1337 | #ifdef INFINITY |
|
|
1338 | #define ECB_INFINITY INFINITY |
|
|
1339 | #else |
|
|
1340 | #define ECB_INFINITY HUGE_VAL |
|
|
1341 | #endif |
|
|
1342 | |
|
|
1343 | #ifdef NAN |
|
|
1344 | #define ECB_NAN NAN |
|
|
1345 | #else |
|
|
1346 | #define ECB_NAN ECB_INFINITY |
|
|
1347 | #endif |
|
|
1348 | |
|
|
1349 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1350 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1351 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1352 | #else |
|
|
1353 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1354 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1355 | #endif |
|
|
1356 | |
|
|
1357 | /* convert a float to ieee single/binary32 */ |
|
|
1358 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
|
|
1359 | ecb_function_ ecb_const uint32_t |
|
|
1360 | ecb_float_to_binary32 (float x) |
|
|
1361 | { |
|
|
1362 | uint32_t r; |
|
|
1363 | |
|
|
1364 | #if ECB_STDFP |
|
|
1365 | memcpy (&r, &x, 4); |
|
|
1366 | #else |
|
|
1367 | /* slow emulation, works for anything but -0 */ |
|
|
1368 | uint32_t m; |
|
|
1369 | int e; |
|
|
1370 | |
|
|
1371 | if (x == 0e0f ) return 0x00000000U; |
|
|
1372 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1373 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1374 | if (x != x ) return 0x7fbfffffU; |
|
|
1375 | |
|
|
1376 | m = ecb_frexpf (x, &e) * 0x1000000U; |
|
|
1377 | |
|
|
1378 | r = m & 0x80000000U; |
|
|
1379 | |
|
|
1380 | if (r) |
|
|
1381 | m = -m; |
|
|
1382 | |
|
|
1383 | if (e <= -126) |
|
|
1384 | { |
|
|
1385 | m &= 0xffffffU; |
|
|
1386 | m >>= (-125 - e); |
|
|
1387 | e = -126; |
|
|
1388 | } |
|
|
1389 | |
|
|
1390 | r |= (e + 126) << 23; |
|
|
1391 | r |= m & 0x7fffffU; |
|
|
1392 | #endif |
|
|
1393 | |
|
|
1394 | return r; |
|
|
1395 | } |
|
|
1396 | |
|
|
1397 | /* converts an ieee single/binary32 to a float */ |
|
|
1398 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
|
|
1399 | ecb_function_ ecb_const float |
|
|
1400 | ecb_binary32_to_float (uint32_t x) |
|
|
1401 | { |
|
|
1402 | float r; |
|
|
1403 | |
|
|
1404 | #if ECB_STDFP |
|
|
1405 | memcpy (&r, &x, 4); |
|
|
1406 | #else |
|
|
1407 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1408 | int neg = x >> 31; |
|
|
1409 | int e = (x >> 23) & 0xffU; |
|
|
1410 | |
|
|
1411 | x &= 0x7fffffU; |
|
|
1412 | |
|
|
1413 | if (e) |
|
|
1414 | x |= 0x800000U; |
|
|
1415 | else |
|
|
1416 | e = 1; |
|
|
1417 | |
|
|
1418 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1419 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1420 | |
|
|
1421 | r = neg ? -r : r; |
|
|
1422 | #endif |
|
|
1423 | |
|
|
1424 | return r; |
|
|
1425 | } |
|
|
1426 | |
|
|
1427 | /* convert a double to ieee double/binary64 */ |
|
|
1428 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
|
|
1429 | ecb_function_ ecb_const uint64_t |
|
|
1430 | ecb_double_to_binary64 (double x) |
|
|
1431 | { |
|
|
1432 | uint64_t r; |
|
|
1433 | |
|
|
1434 | #if ECB_STDFP |
|
|
1435 | memcpy (&r, &x, 8); |
|
|
1436 | #else |
|
|
1437 | /* slow emulation, works for anything but -0 */ |
|
|
1438 | uint64_t m; |
|
|
1439 | int e; |
|
|
1440 | |
|
|
1441 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1442 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1443 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1444 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1445 | |
|
|
1446 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1447 | |
|
|
1448 | r = m & 0x8000000000000000;; |
|
|
1449 | |
|
|
1450 | if (r) |
|
|
1451 | m = -m; |
|
|
1452 | |
|
|
1453 | if (e <= -1022) |
|
|
1454 | { |
|
|
1455 | m &= 0x1fffffffffffffU; |
|
|
1456 | m >>= (-1021 - e); |
|
|
1457 | e = -1022; |
|
|
1458 | } |
|
|
1459 | |
|
|
1460 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1461 | r |= m & 0xfffffffffffffU; |
|
|
1462 | #endif |
|
|
1463 | |
|
|
1464 | return r; |
|
|
1465 | } |
|
|
1466 | |
|
|
1467 | /* converts an ieee double/binary64 to a double */ |
|
|
1468 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
|
|
1469 | ecb_function_ ecb_const double |
|
|
1470 | ecb_binary64_to_double (uint64_t x) |
|
|
1471 | { |
|
|
1472 | double r; |
|
|
1473 | |
|
|
1474 | #if ECB_STDFP |
|
|
1475 | memcpy (&r, &x, 8); |
|
|
1476 | #else |
|
|
1477 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1478 | int neg = x >> 63; |
|
|
1479 | int e = (x >> 52) & 0x7ffU; |
|
|
1480 | |
|
|
1481 | x &= 0xfffffffffffffU; |
|
|
1482 | |
|
|
1483 | if (e) |
|
|
1484 | x |= 0x10000000000000U; |
|
|
1485 | else |
|
|
1486 | e = 1; |
|
|
1487 | |
|
|
1488 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1489 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1490 | |
|
|
1491 | r = neg ? -r : r; |
|
|
1492 | #endif |
|
|
1493 | |
|
|
1494 | return r; |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | /* convert a float to ieee half/binary16 */ |
|
|
1498 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1499 | ecb_function_ ecb_const uint16_t |
|
|
1500 | ecb_float_to_binary16 (float x) |
|
|
1501 | { |
|
|
1502 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1503 | } |
|
|
1504 | |
|
|
1505 | /* convert an ieee half/binary16 to float */ |
|
|
1506 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1507 | ecb_function_ ecb_const float |
|
|
1508 | ecb_binary16_to_float (uint16_t x) |
|
|
1509 | { |
|
|
1510 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
|
|
1511 | } |
|
|
1512 | |
|
|
1513 | #endif |
|
|
1514 | |
932 | #endif |
1515 | #endif |
933 | |
1516 | |
934 | /* ECB.H END */ |
1517 | /* ECB.H END */ |
935 | |
1518 | |
936 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1519 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
… | |
… | |
957 | #define inline_size ecb_inline |
1540 | #define inline_size ecb_inline |
958 | |
1541 | |
959 | #if EV_FEATURE_CODE |
1542 | #if EV_FEATURE_CODE |
960 | # define inline_speed ecb_inline |
1543 | # define inline_speed ecb_inline |
961 | #else |
1544 | #else |
962 | # define inline_speed static noinline |
1545 | # define inline_speed noinline static |
963 | #endif |
1546 | #endif |
964 | |
1547 | |
965 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1548 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
966 | |
1549 | |
967 | #if EV_MINPRI == EV_MAXPRI |
1550 | #if EV_MINPRI == EV_MAXPRI |
968 | # define ABSPRI(w) (((W)w), 0) |
1551 | # define ABSPRI(w) (((W)w), 0) |
969 | #else |
1552 | #else |
970 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1553 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
971 | #endif |
1554 | #endif |
972 | |
1555 | |
973 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1556 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
974 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
975 | |
1557 | |
976 | typedef ev_watcher *W; |
1558 | typedef ev_watcher *W; |
977 | typedef ev_watcher_list *WL; |
1559 | typedef ev_watcher_list *WL; |
978 | typedef ev_watcher_time *WT; |
1560 | typedef ev_watcher_time *WT; |
979 | |
1561 | |
… | |
… | |
1014 | #else |
1596 | #else |
1015 | |
1597 | |
1016 | #include <float.h> |
1598 | #include <float.h> |
1017 | |
1599 | |
1018 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1600 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1601 | noinline |
1019 | static ev_tstamp noinline |
1602 | static ev_tstamp |
1020 | ev_floor (ev_tstamp v) |
1603 | ev_floor (ev_tstamp v) |
1021 | { |
1604 | { |
1022 | /* the choice of shift factor is not terribly important */ |
1605 | /* the choice of shift factor is not terribly important */ |
1023 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1606 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1024 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1607 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1056 | |
1639 | |
1057 | #ifdef __linux |
1640 | #ifdef __linux |
1058 | # include <sys/utsname.h> |
1641 | # include <sys/utsname.h> |
1059 | #endif |
1642 | #endif |
1060 | |
1643 | |
1061 | static unsigned int noinline ecb_cold |
1644 | noinline ecb_cold |
|
|
1645 | static unsigned int |
1062 | ev_linux_version (void) |
1646 | ev_linux_version (void) |
1063 | { |
1647 | { |
1064 | #ifdef __linux |
1648 | #ifdef __linux |
1065 | unsigned int v = 0; |
1649 | unsigned int v = 0; |
1066 | struct utsname buf; |
1650 | struct utsname buf; |
… | |
… | |
1095 | } |
1679 | } |
1096 | |
1680 | |
1097 | /*****************************************************************************/ |
1681 | /*****************************************************************************/ |
1098 | |
1682 | |
1099 | #if EV_AVOID_STDIO |
1683 | #if EV_AVOID_STDIO |
1100 | static void noinline ecb_cold |
1684 | noinline ecb_cold |
|
|
1685 | static void |
1101 | ev_printerr (const char *msg) |
1686 | ev_printerr (const char *msg) |
1102 | { |
1687 | { |
1103 | write (STDERR_FILENO, msg, strlen (msg)); |
1688 | write (STDERR_FILENO, msg, strlen (msg)); |
1104 | } |
1689 | } |
1105 | #endif |
1690 | #endif |
1106 | |
1691 | |
1107 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1692 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1108 | |
1693 | |
1109 | void ecb_cold |
1694 | ecb_cold |
|
|
1695 | void |
1110 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1696 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1111 | { |
1697 | { |
1112 | syserr_cb = cb; |
1698 | syserr_cb = cb; |
1113 | } |
1699 | } |
1114 | |
1700 | |
1115 | static void noinline ecb_cold |
1701 | noinline ecb_cold |
|
|
1702 | static void |
1116 | ev_syserr (const char *msg) |
1703 | ev_syserr (const char *msg) |
1117 | { |
1704 | { |
1118 | if (!msg) |
1705 | if (!msg) |
1119 | msg = "(libev) system error"; |
1706 | msg = "(libev) system error"; |
1120 | |
1707 | |
… | |
… | |
1133 | abort (); |
1720 | abort (); |
1134 | } |
1721 | } |
1135 | } |
1722 | } |
1136 | |
1723 | |
1137 | static void * |
1724 | static void * |
1138 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1725 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1139 | { |
1726 | { |
1140 | #if __GLIBC__ |
|
|
1141 | return realloc (ptr, size); |
|
|
1142 | #else |
|
|
1143 | /* some systems, notably openbsd and darwin, fail to properly |
1727 | /* some systems, notably openbsd and darwin, fail to properly |
1144 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1728 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1145 | * the single unix specification, so work around them here. |
1729 | * the single unix specification, so work around them here. |
|
|
1730 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1731 | * despite documenting it otherwise. |
1146 | */ |
1732 | */ |
1147 | |
1733 | |
1148 | if (size) |
1734 | if (size) |
1149 | return realloc (ptr, size); |
1735 | return realloc (ptr, size); |
1150 | |
1736 | |
1151 | free (ptr); |
1737 | free (ptr); |
1152 | return 0; |
1738 | return 0; |
1153 | #endif |
|
|
1154 | } |
1739 | } |
1155 | |
1740 | |
1156 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1741 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1157 | |
1742 | |
1158 | void ecb_cold |
1743 | ecb_cold |
|
|
1744 | void |
1159 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1745 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1160 | { |
1746 | { |
1161 | alloc = cb; |
1747 | alloc = cb; |
1162 | } |
1748 | } |
1163 | |
1749 | |
1164 | inline_speed void * |
1750 | inline_speed void * |
… | |
… | |
1191 | typedef struct |
1777 | typedef struct |
1192 | { |
1778 | { |
1193 | WL head; |
1779 | WL head; |
1194 | unsigned char events; /* the events watched for */ |
1780 | unsigned char events; /* the events watched for */ |
1195 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1781 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1196 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1782 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1197 | unsigned char unused; |
1783 | unsigned char unused; |
1198 | #if EV_USE_EPOLL |
1784 | #if EV_USE_EPOLL |
1199 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1785 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1200 | #endif |
1786 | #endif |
1201 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1787 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1281 | |
1867 | |
1282 | /*****************************************************************************/ |
1868 | /*****************************************************************************/ |
1283 | |
1869 | |
1284 | #ifndef EV_HAVE_EV_TIME |
1870 | #ifndef EV_HAVE_EV_TIME |
1285 | ev_tstamp |
1871 | ev_tstamp |
1286 | ev_time (void) EV_THROW |
1872 | ev_time (void) EV_NOEXCEPT |
1287 | { |
1873 | { |
1288 | #if EV_USE_REALTIME |
1874 | #if EV_USE_REALTIME |
1289 | if (expect_true (have_realtime)) |
1875 | if (expect_true (have_realtime)) |
1290 | { |
1876 | { |
1291 | struct timespec ts; |
1877 | struct timespec ts; |
… | |
… | |
1315 | return ev_time (); |
1901 | return ev_time (); |
1316 | } |
1902 | } |
1317 | |
1903 | |
1318 | #if EV_MULTIPLICITY |
1904 | #if EV_MULTIPLICITY |
1319 | ev_tstamp |
1905 | ev_tstamp |
1320 | ev_now (EV_P) EV_THROW |
1906 | ev_now (EV_P) EV_NOEXCEPT |
1321 | { |
1907 | { |
1322 | return ev_rt_now; |
1908 | return ev_rt_now; |
1323 | } |
1909 | } |
1324 | #endif |
1910 | #endif |
1325 | |
1911 | |
1326 | void |
1912 | void |
1327 | ev_sleep (ev_tstamp delay) EV_THROW |
1913 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1328 | { |
1914 | { |
1329 | if (delay > 0.) |
1915 | if (delay > 0.) |
1330 | { |
1916 | { |
1331 | #if EV_USE_NANOSLEEP |
1917 | #if EV_USE_NANOSLEEP |
1332 | struct timespec ts; |
1918 | struct timespec ts; |
1333 | |
1919 | |
1334 | EV_TS_SET (ts, delay); |
1920 | EV_TS_SET (ts, delay); |
1335 | nanosleep (&ts, 0); |
1921 | nanosleep (&ts, 0); |
1336 | #elif defined _WIN32 |
1922 | #elif defined _WIN32 |
|
|
1923 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1924 | /* compared to select (µs) or nanosleep (ns) */ |
1337 | Sleep ((unsigned long)(delay * 1e3)); |
1925 | Sleep ((unsigned long)(delay * 1e3)); |
1338 | #else |
1926 | #else |
1339 | struct timeval tv; |
1927 | struct timeval tv; |
1340 | |
1928 | |
1341 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1929 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1372 | } |
1960 | } |
1373 | |
1961 | |
1374 | return ncur; |
1962 | return ncur; |
1375 | } |
1963 | } |
1376 | |
1964 | |
1377 | static void * noinline ecb_cold |
1965 | noinline ecb_cold |
|
|
1966 | static void * |
1378 | array_realloc (int elem, void *base, int *cur, int cnt) |
1967 | array_realloc (int elem, void *base, int *cur, int cnt) |
1379 | { |
1968 | { |
1380 | *cur = array_nextsize (elem, *cur, cnt); |
1969 | *cur = array_nextsize (elem, *cur, cnt); |
1381 | return ev_realloc (base, elem * *cur); |
1970 | return ev_realloc (base, elem * *cur); |
1382 | } |
1971 | } |
1383 | |
1972 | |
|
|
1973 | #define array_needsize_noinit(base,count) |
|
|
1974 | |
1384 | #define array_init_zero(base,count) \ |
1975 | #define array_needsize_zerofill(base,count) \ |
1385 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1976 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1386 | |
1977 | |
1387 | #define array_needsize(type,base,cur,cnt,init) \ |
1978 | #define array_needsize(type,base,cur,cnt,init) \ |
1388 | if (expect_false ((cnt) > (cur))) \ |
1979 | if (expect_false ((cnt) > (cur))) \ |
1389 | { \ |
1980 | { \ |
1390 | int ecb_unused ocur_ = (cur); \ |
1981 | ecb_unused int ocur_ = (cur); \ |
1391 | (base) = (type *)array_realloc \ |
1982 | (base) = (type *)array_realloc \ |
1392 | (sizeof (type), (base), &(cur), (cnt)); \ |
1983 | (sizeof (type), (base), &(cur), (cnt)); \ |
1393 | init ((base) + (ocur_), (cur) - ocur_); \ |
1984 | init ((base) + (ocur_), (cur) - ocur_); \ |
1394 | } |
1985 | } |
1395 | |
1986 | |
… | |
… | |
1407 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1998 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1408 | |
1999 | |
1409 | /*****************************************************************************/ |
2000 | /*****************************************************************************/ |
1410 | |
2001 | |
1411 | /* dummy callback for pending events */ |
2002 | /* dummy callback for pending events */ |
1412 | static void noinline |
2003 | noinline |
|
|
2004 | static void |
1413 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2005 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1414 | { |
2006 | { |
1415 | } |
2007 | } |
1416 | |
2008 | |
1417 | void noinline |
2009 | noinline |
|
|
2010 | void |
1418 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2011 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1419 | { |
2012 | { |
1420 | W w_ = (W)w; |
2013 | W w_ = (W)w; |
1421 | int pri = ABSPRI (w_); |
2014 | int pri = ABSPRI (w_); |
1422 | |
2015 | |
1423 | if (expect_false (w_->pending)) |
2016 | if (expect_false (w_->pending)) |
1424 | pendings [pri][w_->pending - 1].events |= revents; |
2017 | pendings [pri][w_->pending - 1].events |= revents; |
1425 | else |
2018 | else |
1426 | { |
2019 | { |
1427 | w_->pending = ++pendingcnt [pri]; |
2020 | w_->pending = ++pendingcnt [pri]; |
1428 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2021 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1429 | pendings [pri][w_->pending - 1].w = w_; |
2022 | pendings [pri][w_->pending - 1].w = w_; |
1430 | pendings [pri][w_->pending - 1].events = revents; |
2023 | pendings [pri][w_->pending - 1].events = revents; |
1431 | } |
2024 | } |
1432 | |
2025 | |
1433 | pendingpri = NUMPRI - 1; |
2026 | pendingpri = NUMPRI - 1; |
1434 | } |
2027 | } |
1435 | |
2028 | |
1436 | inline_speed void |
2029 | inline_speed void |
1437 | feed_reverse (EV_P_ W w) |
2030 | feed_reverse (EV_P_ W w) |
1438 | { |
2031 | { |
1439 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2032 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1440 | rfeeds [rfeedcnt++] = w; |
2033 | rfeeds [rfeedcnt++] = w; |
1441 | } |
2034 | } |
1442 | |
2035 | |
1443 | inline_size void |
2036 | inline_size void |
1444 | feed_reverse_done (EV_P_ int revents) |
2037 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1484 | if (expect_true (!anfd->reify)) |
2077 | if (expect_true (!anfd->reify)) |
1485 | fd_event_nocheck (EV_A_ fd, revents); |
2078 | fd_event_nocheck (EV_A_ fd, revents); |
1486 | } |
2079 | } |
1487 | |
2080 | |
1488 | void |
2081 | void |
1489 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2082 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1490 | { |
2083 | { |
1491 | if (fd >= 0 && fd < anfdmax) |
2084 | if (fd >= 0 && fd < anfdmax) |
1492 | fd_event_nocheck (EV_A_ fd, revents); |
2085 | fd_event_nocheck (EV_A_ fd, revents); |
1493 | } |
2086 | } |
1494 | |
2087 | |
… | |
… | |
1552 | |
2145 | |
1553 | fdchangecnt = 0; |
2146 | fdchangecnt = 0; |
1554 | } |
2147 | } |
1555 | |
2148 | |
1556 | /* something about the given fd changed */ |
2149 | /* something about the given fd changed */ |
1557 | inline_size void |
2150 | inline_size |
|
|
2151 | void |
1558 | fd_change (EV_P_ int fd, int flags) |
2152 | fd_change (EV_P_ int fd, int flags) |
1559 | { |
2153 | { |
1560 | unsigned char reify = anfds [fd].reify; |
2154 | unsigned char reify = anfds [fd].reify; |
1561 | anfds [fd].reify |= flags; |
2155 | anfds [fd].reify |= flags; |
1562 | |
2156 | |
1563 | if (expect_true (!reify)) |
2157 | if (expect_true (!reify)) |
1564 | { |
2158 | { |
1565 | ++fdchangecnt; |
2159 | ++fdchangecnt; |
1566 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2160 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1567 | fdchanges [fdchangecnt - 1] = fd; |
2161 | fdchanges [fdchangecnt - 1] = fd; |
1568 | } |
2162 | } |
1569 | } |
2163 | } |
1570 | |
2164 | |
1571 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2165 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1572 | inline_speed void ecb_cold |
2166 | inline_speed ecb_cold void |
1573 | fd_kill (EV_P_ int fd) |
2167 | fd_kill (EV_P_ int fd) |
1574 | { |
2168 | { |
1575 | ev_io *w; |
2169 | ev_io *w; |
1576 | |
2170 | |
1577 | while ((w = (ev_io *)anfds [fd].head)) |
2171 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1580 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2174 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1581 | } |
2175 | } |
1582 | } |
2176 | } |
1583 | |
2177 | |
1584 | /* check whether the given fd is actually valid, for error recovery */ |
2178 | /* check whether the given fd is actually valid, for error recovery */ |
1585 | inline_size int ecb_cold |
2179 | inline_size ecb_cold int |
1586 | fd_valid (int fd) |
2180 | fd_valid (int fd) |
1587 | { |
2181 | { |
1588 | #ifdef _WIN32 |
2182 | #ifdef _WIN32 |
1589 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2183 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1590 | #else |
2184 | #else |
1591 | return fcntl (fd, F_GETFD) != -1; |
2185 | return fcntl (fd, F_GETFD) != -1; |
1592 | #endif |
2186 | #endif |
1593 | } |
2187 | } |
1594 | |
2188 | |
1595 | /* called on EBADF to verify fds */ |
2189 | /* called on EBADF to verify fds */ |
1596 | static void noinline ecb_cold |
2190 | noinline ecb_cold |
|
|
2191 | static void |
1597 | fd_ebadf (EV_P) |
2192 | fd_ebadf (EV_P) |
1598 | { |
2193 | { |
1599 | int fd; |
2194 | int fd; |
1600 | |
2195 | |
1601 | for (fd = 0; fd < anfdmax; ++fd) |
2196 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1603 | if (!fd_valid (fd) && errno == EBADF) |
2198 | if (!fd_valid (fd) && errno == EBADF) |
1604 | fd_kill (EV_A_ fd); |
2199 | fd_kill (EV_A_ fd); |
1605 | } |
2200 | } |
1606 | |
2201 | |
1607 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2202 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1608 | static void noinline ecb_cold |
2203 | noinline ecb_cold |
|
|
2204 | static void |
1609 | fd_enomem (EV_P) |
2205 | fd_enomem (EV_P) |
1610 | { |
2206 | { |
1611 | int fd; |
2207 | int fd; |
1612 | |
2208 | |
1613 | for (fd = anfdmax; fd--; ) |
2209 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1617 | break; |
2213 | break; |
1618 | } |
2214 | } |
1619 | } |
2215 | } |
1620 | |
2216 | |
1621 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2217 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1622 | static void noinline |
2218 | noinline |
|
|
2219 | static void |
1623 | fd_rearm_all (EV_P) |
2220 | fd_rearm_all (EV_P) |
1624 | { |
2221 | { |
1625 | int fd; |
2222 | int fd; |
1626 | |
2223 | |
1627 | for (fd = 0; fd < anfdmax; ++fd) |
2224 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1808 | |
2405 | |
1809 | /*****************************************************************************/ |
2406 | /*****************************************************************************/ |
1810 | |
2407 | |
1811 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2408 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1812 | |
2409 | |
1813 | static void noinline ecb_cold |
2410 | noinline ecb_cold |
|
|
2411 | static void |
1814 | evpipe_init (EV_P) |
2412 | evpipe_init (EV_P) |
1815 | { |
2413 | { |
1816 | if (!ev_is_active (&pipe_w)) |
2414 | if (!ev_is_active (&pipe_w)) |
1817 | { |
2415 | { |
|
|
2416 | int fds [2]; |
|
|
2417 | |
1818 | # if EV_USE_EVENTFD |
2418 | # if EV_USE_EVENTFD |
|
|
2419 | fds [0] = -1; |
1819 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2420 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1820 | if (evfd < 0 && errno == EINVAL) |
2421 | if (fds [1] < 0 && errno == EINVAL) |
1821 | evfd = eventfd (0, 0); |
2422 | fds [1] = eventfd (0, 0); |
1822 | |
2423 | |
1823 | if (evfd >= 0) |
2424 | if (fds [1] < 0) |
1824 | { |
|
|
1825 | evpipe [0] = -1; |
|
|
1826 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
|
|
1827 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1828 | } |
|
|
1829 | else |
|
|
1830 | # endif |
2425 | # endif |
1831 | { |
2426 | { |
1832 | while (pipe (evpipe)) |
2427 | while (pipe (fds)) |
1833 | ev_syserr ("(libev) error creating signal/async pipe"); |
2428 | ev_syserr ("(libev) error creating signal/async pipe"); |
1834 | |
2429 | |
1835 | fd_intern (evpipe [0]); |
2430 | fd_intern (fds [0]); |
1836 | fd_intern (evpipe [1]); |
|
|
1837 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1838 | } |
2431 | } |
1839 | |
2432 | |
|
|
2433 | evpipe [0] = fds [0]; |
|
|
2434 | |
|
|
2435 | if (evpipe [1] < 0) |
|
|
2436 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2437 | else |
|
|
2438 | { |
|
|
2439 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2440 | /* so that evpipe_write can always rely on its value. */ |
|
|
2441 | /* this branch does not do anything sensible on windows, */ |
|
|
2442 | /* so must not be executed on windows */ |
|
|
2443 | |
|
|
2444 | dup2 (fds [1], evpipe [1]); |
|
|
2445 | close (fds [1]); |
|
|
2446 | } |
|
|
2447 | |
|
|
2448 | fd_intern (evpipe [1]); |
|
|
2449 | |
|
|
2450 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
1840 | ev_io_start (EV_A_ &pipe_w); |
2451 | ev_io_start (EV_A_ &pipe_w); |
1841 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2452 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1842 | } |
2453 | } |
1843 | } |
2454 | } |
1844 | |
2455 | |
… | |
… | |
1865 | ECB_MEMORY_FENCE_RELEASE; |
2476 | ECB_MEMORY_FENCE_RELEASE; |
1866 | |
2477 | |
1867 | old_errno = errno; /* save errno because write will clobber it */ |
2478 | old_errno = errno; /* save errno because write will clobber it */ |
1868 | |
2479 | |
1869 | #if EV_USE_EVENTFD |
2480 | #if EV_USE_EVENTFD |
1870 | if (evfd >= 0) |
2481 | if (evpipe [0] < 0) |
1871 | { |
2482 | { |
1872 | uint64_t counter = 1; |
2483 | uint64_t counter = 1; |
1873 | write (evfd, &counter, sizeof (uint64_t)); |
2484 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1874 | } |
2485 | } |
1875 | else |
2486 | else |
1876 | #endif |
2487 | #endif |
1877 | { |
2488 | { |
1878 | #ifdef _WIN32 |
2489 | #ifdef _WIN32 |
1879 | WSABUF buf; |
2490 | WSABUF buf; |
1880 | DWORD sent; |
2491 | DWORD sent; |
1881 | buf.buf = &buf; |
2492 | buf.buf = (char *)&buf; |
1882 | buf.len = 1; |
2493 | buf.len = 1; |
1883 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2494 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
1884 | #else |
2495 | #else |
1885 | write (evpipe [1], &(evpipe [1]), 1); |
2496 | write (evpipe [1], &(evpipe [1]), 1); |
1886 | #endif |
2497 | #endif |
… | |
… | |
1898 | int i; |
2509 | int i; |
1899 | |
2510 | |
1900 | if (revents & EV_READ) |
2511 | if (revents & EV_READ) |
1901 | { |
2512 | { |
1902 | #if EV_USE_EVENTFD |
2513 | #if EV_USE_EVENTFD |
1903 | if (evfd >= 0) |
2514 | if (evpipe [0] < 0) |
1904 | { |
2515 | { |
1905 | uint64_t counter; |
2516 | uint64_t counter; |
1906 | read (evfd, &counter, sizeof (uint64_t)); |
2517 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1907 | } |
2518 | } |
1908 | else |
2519 | else |
1909 | #endif |
2520 | #endif |
1910 | { |
2521 | { |
1911 | char dummy[4]; |
2522 | char dummy[4]; |
… | |
… | |
1958 | } |
2569 | } |
1959 | |
2570 | |
1960 | /*****************************************************************************/ |
2571 | /*****************************************************************************/ |
1961 | |
2572 | |
1962 | void |
2573 | void |
1963 | ev_feed_signal (int signum) EV_THROW |
2574 | ev_feed_signal (int signum) EV_NOEXCEPT |
1964 | { |
2575 | { |
1965 | #if EV_MULTIPLICITY |
2576 | #if EV_MULTIPLICITY |
|
|
2577 | EV_P; |
|
|
2578 | ECB_MEMORY_FENCE_ACQUIRE; |
1966 | EV_P = signals [signum - 1].loop; |
2579 | EV_A = signals [signum - 1].loop; |
1967 | |
2580 | |
1968 | if (!EV_A) |
2581 | if (!EV_A) |
1969 | return; |
2582 | return; |
1970 | #endif |
2583 | #endif |
1971 | |
2584 | |
1972 | if (!ev_active (&pipe_w)) |
|
|
1973 | return; |
|
|
1974 | |
|
|
1975 | signals [signum - 1].pending = 1; |
2585 | signals [signum - 1].pending = 1; |
1976 | evpipe_write (EV_A_ &sig_pending); |
2586 | evpipe_write (EV_A_ &sig_pending); |
1977 | } |
2587 | } |
1978 | |
2588 | |
1979 | static void |
2589 | static void |
… | |
… | |
1984 | #endif |
2594 | #endif |
1985 | |
2595 | |
1986 | ev_feed_signal (signum); |
2596 | ev_feed_signal (signum); |
1987 | } |
2597 | } |
1988 | |
2598 | |
1989 | void noinline |
2599 | noinline |
|
|
2600 | void |
1990 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2601 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
1991 | { |
2602 | { |
1992 | WL w; |
2603 | WL w; |
1993 | |
2604 | |
1994 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2605 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1995 | return; |
2606 | return; |
1996 | |
2607 | |
1997 | --signum; |
2608 | --signum; |
1998 | |
2609 | |
1999 | #if EV_MULTIPLICITY |
2610 | #if EV_MULTIPLICITY |
… | |
… | |
2003 | if (expect_false (signals [signum].loop != EV_A)) |
2614 | if (expect_false (signals [signum].loop != EV_A)) |
2004 | return; |
2615 | return; |
2005 | #endif |
2616 | #endif |
2006 | |
2617 | |
2007 | signals [signum].pending = 0; |
2618 | signals [signum].pending = 0; |
2008 | MEMORY_FENCE_RELEASE; |
2619 | ECB_MEMORY_FENCE_RELEASE; |
2009 | |
2620 | |
2010 | for (w = signals [signum].head; w; w = w->next) |
2621 | for (w = signals [signum].head; w; w = w->next) |
2011 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2622 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2012 | } |
2623 | } |
2013 | |
2624 | |
… | |
… | |
2101 | # include "ev_port.c" |
2712 | # include "ev_port.c" |
2102 | #endif |
2713 | #endif |
2103 | #if EV_USE_KQUEUE |
2714 | #if EV_USE_KQUEUE |
2104 | # include "ev_kqueue.c" |
2715 | # include "ev_kqueue.c" |
2105 | #endif |
2716 | #endif |
|
|
2717 | #if EV_USE_LINUXAIO |
|
|
2718 | # include "ev_linuxaio.c" |
|
|
2719 | #endif |
2106 | #if EV_USE_EPOLL |
2720 | #if EV_USE_EPOLL |
2107 | # include "ev_epoll.c" |
2721 | # include "ev_epoll.c" |
2108 | #endif |
2722 | #endif |
2109 | #if EV_USE_POLL |
2723 | #if EV_USE_POLL |
2110 | # include "ev_poll.c" |
2724 | # include "ev_poll.c" |
2111 | #endif |
2725 | #endif |
2112 | #if EV_USE_SELECT |
2726 | #if EV_USE_SELECT |
2113 | # include "ev_select.c" |
2727 | # include "ev_select.c" |
2114 | #endif |
2728 | #endif |
2115 | |
2729 | |
2116 | int ecb_cold |
2730 | ecb_cold int |
2117 | ev_version_major (void) EV_THROW |
2731 | ev_version_major (void) EV_NOEXCEPT |
2118 | { |
2732 | { |
2119 | return EV_VERSION_MAJOR; |
2733 | return EV_VERSION_MAJOR; |
2120 | } |
2734 | } |
2121 | |
2735 | |
2122 | int ecb_cold |
2736 | ecb_cold int |
2123 | ev_version_minor (void) EV_THROW |
2737 | ev_version_minor (void) EV_NOEXCEPT |
2124 | { |
2738 | { |
2125 | return EV_VERSION_MINOR; |
2739 | return EV_VERSION_MINOR; |
2126 | } |
2740 | } |
2127 | |
2741 | |
2128 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2742 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2129 | int inline_size ecb_cold |
2743 | inline_size ecb_cold int |
2130 | enable_secure (void) |
2744 | enable_secure (void) |
2131 | { |
2745 | { |
2132 | #ifdef _WIN32 |
2746 | #ifdef _WIN32 |
2133 | return 0; |
2747 | return 0; |
2134 | #else |
2748 | #else |
2135 | return getuid () != geteuid () |
2749 | return getuid () != geteuid () |
2136 | || getgid () != getegid (); |
2750 | || getgid () != getegid (); |
2137 | #endif |
2751 | #endif |
2138 | } |
2752 | } |
2139 | |
2753 | |
2140 | unsigned int ecb_cold |
2754 | ecb_cold |
|
|
2755 | unsigned int |
2141 | ev_supported_backends (void) EV_THROW |
2756 | ev_supported_backends (void) EV_NOEXCEPT |
2142 | { |
2757 | { |
2143 | unsigned int flags = 0; |
2758 | unsigned int flags = 0; |
2144 | |
2759 | |
2145 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2760 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2146 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2761 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2147 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2762 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2763 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2148 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2764 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2149 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2765 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2150 | |
2766 | |
2151 | return flags; |
2767 | return flags; |
2152 | } |
2768 | } |
2153 | |
2769 | |
2154 | unsigned int ecb_cold |
2770 | ecb_cold |
|
|
2771 | unsigned int |
2155 | ev_recommended_backends (void) EV_THROW |
2772 | ev_recommended_backends (void) EV_NOEXCEPT |
2156 | { |
2773 | { |
2157 | unsigned int flags = ev_supported_backends (); |
2774 | unsigned int flags = ev_supported_backends (); |
2158 | |
2775 | |
2159 | #ifndef __NetBSD__ |
2776 | #ifndef __NetBSD__ |
2160 | /* kqueue is borked on everything but netbsd apparently */ |
2777 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2171 | #endif |
2788 | #endif |
2172 | |
2789 | |
2173 | return flags; |
2790 | return flags; |
2174 | } |
2791 | } |
2175 | |
2792 | |
2176 | unsigned int ecb_cold |
2793 | ecb_cold |
|
|
2794 | unsigned int |
2177 | ev_embeddable_backends (void) EV_THROW |
2795 | ev_embeddable_backends (void) EV_NOEXCEPT |
2178 | { |
2796 | { |
2179 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2797 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2180 | |
2798 | |
2181 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2799 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2182 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2800 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2184 | |
2802 | |
2185 | return flags; |
2803 | return flags; |
2186 | } |
2804 | } |
2187 | |
2805 | |
2188 | unsigned int |
2806 | unsigned int |
2189 | ev_backend (EV_P) EV_THROW |
2807 | ev_backend (EV_P) EV_NOEXCEPT |
2190 | { |
2808 | { |
2191 | return backend; |
2809 | return backend; |
2192 | } |
2810 | } |
2193 | |
2811 | |
2194 | #if EV_FEATURE_API |
2812 | #if EV_FEATURE_API |
2195 | unsigned int |
2813 | unsigned int |
2196 | ev_iteration (EV_P) EV_THROW |
2814 | ev_iteration (EV_P) EV_NOEXCEPT |
2197 | { |
2815 | { |
2198 | return loop_count; |
2816 | return loop_count; |
2199 | } |
2817 | } |
2200 | |
2818 | |
2201 | unsigned int |
2819 | unsigned int |
2202 | ev_depth (EV_P) EV_THROW |
2820 | ev_depth (EV_P) EV_NOEXCEPT |
2203 | { |
2821 | { |
2204 | return loop_depth; |
2822 | return loop_depth; |
2205 | } |
2823 | } |
2206 | |
2824 | |
2207 | void |
2825 | void |
2208 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2826 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2209 | { |
2827 | { |
2210 | io_blocktime = interval; |
2828 | io_blocktime = interval; |
2211 | } |
2829 | } |
2212 | |
2830 | |
2213 | void |
2831 | void |
2214 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2832 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2215 | { |
2833 | { |
2216 | timeout_blocktime = interval; |
2834 | timeout_blocktime = interval; |
2217 | } |
2835 | } |
2218 | |
2836 | |
2219 | void |
2837 | void |
2220 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2838 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2221 | { |
2839 | { |
2222 | userdata = data; |
2840 | userdata = data; |
2223 | } |
2841 | } |
2224 | |
2842 | |
2225 | void * |
2843 | void * |
2226 | ev_userdata (EV_P) EV_THROW |
2844 | ev_userdata (EV_P) EV_NOEXCEPT |
2227 | { |
2845 | { |
2228 | return userdata; |
2846 | return userdata; |
2229 | } |
2847 | } |
2230 | |
2848 | |
2231 | void |
2849 | void |
2232 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2850 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2233 | { |
2851 | { |
2234 | invoke_cb = invoke_pending_cb; |
2852 | invoke_cb = invoke_pending_cb; |
2235 | } |
2853 | } |
2236 | |
2854 | |
2237 | void |
2855 | void |
2238 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2856 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2239 | { |
2857 | { |
2240 | release_cb = release; |
2858 | release_cb = release; |
2241 | acquire_cb = acquire; |
2859 | acquire_cb = acquire; |
2242 | } |
2860 | } |
2243 | #endif |
2861 | #endif |
2244 | |
2862 | |
2245 | /* initialise a loop structure, must be zero-initialised */ |
2863 | /* initialise a loop structure, must be zero-initialised */ |
2246 | static void noinline ecb_cold |
2864 | noinline ecb_cold |
|
|
2865 | static void |
2247 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2866 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2248 | { |
2867 | { |
2249 | if (!backend) |
2868 | if (!backend) |
2250 | { |
2869 | { |
2251 | origflags = flags; |
2870 | origflags = flags; |
2252 | |
2871 | |
… | |
… | |
2297 | #if EV_ASYNC_ENABLE |
2916 | #if EV_ASYNC_ENABLE |
2298 | async_pending = 0; |
2917 | async_pending = 0; |
2299 | #endif |
2918 | #endif |
2300 | pipe_write_skipped = 0; |
2919 | pipe_write_skipped = 0; |
2301 | pipe_write_wanted = 0; |
2920 | pipe_write_wanted = 0; |
|
|
2921 | evpipe [0] = -1; |
|
|
2922 | evpipe [1] = -1; |
2302 | #if EV_USE_INOTIFY |
2923 | #if EV_USE_INOTIFY |
2303 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2924 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2304 | #endif |
2925 | #endif |
2305 | #if EV_USE_SIGNALFD |
2926 | #if EV_USE_SIGNALFD |
2306 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2927 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
… | |
… | |
2308 | |
2929 | |
2309 | if (!(flags & EVBACKEND_MASK)) |
2930 | if (!(flags & EVBACKEND_MASK)) |
2310 | flags |= ev_recommended_backends (); |
2931 | flags |= ev_recommended_backends (); |
2311 | |
2932 | |
2312 | #if EV_USE_IOCP |
2933 | #if EV_USE_IOCP |
2313 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2934 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2314 | #endif |
2935 | #endif |
2315 | #if EV_USE_PORT |
2936 | #if EV_USE_PORT |
2316 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2937 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2317 | #endif |
2938 | #endif |
2318 | #if EV_USE_KQUEUE |
2939 | #if EV_USE_KQUEUE |
2319 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2940 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2941 | #endif |
|
|
2942 | #if EV_USE_LINUXAIO |
|
|
2943 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2320 | #endif |
2944 | #endif |
2321 | #if EV_USE_EPOLL |
2945 | #if EV_USE_EPOLL |
2322 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2946 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2323 | #endif |
2947 | #endif |
2324 | #if EV_USE_POLL |
2948 | #if EV_USE_POLL |
2325 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2949 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2326 | #endif |
2950 | #endif |
2327 | #if EV_USE_SELECT |
2951 | #if EV_USE_SELECT |
2328 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2952 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2329 | #endif |
2953 | #endif |
2330 | |
2954 | |
2331 | ev_prepare_init (&pending_w, pendingcb); |
2955 | ev_prepare_init (&pending_w, pendingcb); |
2332 | |
2956 | |
2333 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2957 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2336 | #endif |
2960 | #endif |
2337 | } |
2961 | } |
2338 | } |
2962 | } |
2339 | |
2963 | |
2340 | /* free up a loop structure */ |
2964 | /* free up a loop structure */ |
2341 | void ecb_cold |
2965 | ecb_cold |
|
|
2966 | void |
2342 | ev_loop_destroy (EV_P) |
2967 | ev_loop_destroy (EV_P) |
2343 | { |
2968 | { |
2344 | int i; |
2969 | int i; |
2345 | |
2970 | |
2346 | #if EV_MULTIPLICITY |
2971 | #if EV_MULTIPLICITY |
… | |
… | |
2369 | if (ev_is_active (&pipe_w)) |
2994 | if (ev_is_active (&pipe_w)) |
2370 | { |
2995 | { |
2371 | /*ev_ref (EV_A);*/ |
2996 | /*ev_ref (EV_A);*/ |
2372 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2997 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2373 | |
2998 | |
2374 | #if EV_USE_EVENTFD |
|
|
2375 | if (evfd >= 0) |
|
|
2376 | close (evfd); |
|
|
2377 | #endif |
|
|
2378 | |
|
|
2379 | if (evpipe [0] >= 0) |
|
|
2380 | { |
|
|
2381 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2999 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
2382 | EV_WIN32_CLOSE_FD (evpipe [1]); |
3000 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
2383 | } |
|
|
2384 | } |
3001 | } |
2385 | |
3002 | |
2386 | #if EV_USE_SIGNALFD |
3003 | #if EV_USE_SIGNALFD |
2387 | if (ev_is_active (&sigfd_w)) |
3004 | if (ev_is_active (&sigfd_w)) |
2388 | close (sigfd); |
3005 | close (sigfd); |
… | |
… | |
2395 | |
3012 | |
2396 | if (backend_fd >= 0) |
3013 | if (backend_fd >= 0) |
2397 | close (backend_fd); |
3014 | close (backend_fd); |
2398 | |
3015 | |
2399 | #if EV_USE_IOCP |
3016 | #if EV_USE_IOCP |
2400 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3017 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2401 | #endif |
3018 | #endif |
2402 | #if EV_USE_PORT |
3019 | #if EV_USE_PORT |
2403 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3020 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2404 | #endif |
3021 | #endif |
2405 | #if EV_USE_KQUEUE |
3022 | #if EV_USE_KQUEUE |
2406 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3023 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3024 | #endif |
|
|
3025 | #if EV_USE_LINUXAIO |
|
|
3026 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2407 | #endif |
3027 | #endif |
2408 | #if EV_USE_EPOLL |
3028 | #if EV_USE_EPOLL |
2409 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3029 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2410 | #endif |
3030 | #endif |
2411 | #if EV_USE_POLL |
3031 | #if EV_USE_POLL |
2412 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3032 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2413 | #endif |
3033 | #endif |
2414 | #if EV_USE_SELECT |
3034 | #if EV_USE_SELECT |
2415 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3035 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2416 | #endif |
3036 | #endif |
2417 | |
3037 | |
2418 | for (i = NUMPRI; i--; ) |
3038 | for (i = NUMPRI; i--; ) |
2419 | { |
3039 | { |
2420 | array_free (pending, [i]); |
3040 | array_free (pending, [i]); |
… | |
… | |
2462 | |
3082 | |
2463 | inline_size void |
3083 | inline_size void |
2464 | loop_fork (EV_P) |
3084 | loop_fork (EV_P) |
2465 | { |
3085 | { |
2466 | #if EV_USE_PORT |
3086 | #if EV_USE_PORT |
2467 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3087 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2468 | #endif |
3088 | #endif |
2469 | #if EV_USE_KQUEUE |
3089 | #if EV_USE_KQUEUE |
2470 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3090 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3091 | #endif |
|
|
3092 | #if EV_USE_LINUXAIO |
|
|
3093 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2471 | #endif |
3094 | #endif |
2472 | #if EV_USE_EPOLL |
3095 | #if EV_USE_EPOLL |
2473 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3096 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2474 | #endif |
3097 | #endif |
2475 | #if EV_USE_INOTIFY |
3098 | #if EV_USE_INOTIFY |
2476 | infy_fork (EV_A); |
3099 | infy_fork (EV_A); |
2477 | #endif |
3100 | #endif |
2478 | |
3101 | |
|
|
3102 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2479 | if (ev_is_active (&pipe_w)) |
3103 | if (ev_is_active (&pipe_w) && postfork != 2) |
2480 | { |
3104 | { |
2481 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3105 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2482 | |
3106 | |
2483 | ev_ref (EV_A); |
3107 | ev_ref (EV_A); |
2484 | ev_io_stop (EV_A_ &pipe_w); |
3108 | ev_io_stop (EV_A_ &pipe_w); |
2485 | |
3109 | |
2486 | #if EV_USE_EVENTFD |
|
|
2487 | if (evfd >= 0) |
|
|
2488 | close (evfd); |
|
|
2489 | #endif |
|
|
2490 | |
|
|
2491 | if (evpipe [0] >= 0) |
3110 | if (evpipe [0] >= 0) |
2492 | { |
|
|
2493 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3111 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2494 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2495 | } |
|
|
2496 | |
3112 | |
2497 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
2498 | evpipe_init (EV_A); |
3113 | evpipe_init (EV_A); |
2499 | /* now iterate over everything, in case we missed something */ |
3114 | /* iterate over everything, in case we missed something before */ |
2500 | pipecb (EV_A_ &pipe_w, EV_READ); |
3115 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2501 | #endif |
|
|
2502 | } |
3116 | } |
|
|
3117 | #endif |
2503 | |
3118 | |
2504 | postfork = 0; |
3119 | postfork = 0; |
2505 | } |
3120 | } |
2506 | |
3121 | |
2507 | #if EV_MULTIPLICITY |
3122 | #if EV_MULTIPLICITY |
2508 | |
3123 | |
|
|
3124 | ecb_cold |
2509 | struct ev_loop * ecb_cold |
3125 | struct ev_loop * |
2510 | ev_loop_new (unsigned int flags) EV_THROW |
3126 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2511 | { |
3127 | { |
2512 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3128 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2513 | |
3129 | |
2514 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3130 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2515 | loop_init (EV_A_ flags); |
3131 | loop_init (EV_A_ flags); |
… | |
… | |
2522 | } |
3138 | } |
2523 | |
3139 | |
2524 | #endif /* multiplicity */ |
3140 | #endif /* multiplicity */ |
2525 | |
3141 | |
2526 | #if EV_VERIFY |
3142 | #if EV_VERIFY |
2527 | static void noinline ecb_cold |
3143 | noinline ecb_cold |
|
|
3144 | static void |
2528 | verify_watcher (EV_P_ W w) |
3145 | verify_watcher (EV_P_ W w) |
2529 | { |
3146 | { |
2530 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3147 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2531 | |
3148 | |
2532 | if (w->pending) |
3149 | if (w->pending) |
2533 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3150 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2534 | } |
3151 | } |
2535 | |
3152 | |
2536 | static void noinline ecb_cold |
3153 | noinline ecb_cold |
|
|
3154 | static void |
2537 | verify_heap (EV_P_ ANHE *heap, int N) |
3155 | verify_heap (EV_P_ ANHE *heap, int N) |
2538 | { |
3156 | { |
2539 | int i; |
3157 | int i; |
2540 | |
3158 | |
2541 | for (i = HEAP0; i < N + HEAP0; ++i) |
3159 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2546 | |
3164 | |
2547 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3165 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2548 | } |
3166 | } |
2549 | } |
3167 | } |
2550 | |
3168 | |
2551 | static void noinline ecb_cold |
3169 | noinline ecb_cold |
|
|
3170 | static void |
2552 | array_verify (EV_P_ W *ws, int cnt) |
3171 | array_verify (EV_P_ W *ws, int cnt) |
2553 | { |
3172 | { |
2554 | while (cnt--) |
3173 | while (cnt--) |
2555 | { |
3174 | { |
2556 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3175 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2559 | } |
3178 | } |
2560 | #endif |
3179 | #endif |
2561 | |
3180 | |
2562 | #if EV_FEATURE_API |
3181 | #if EV_FEATURE_API |
2563 | void ecb_cold |
3182 | void ecb_cold |
2564 | ev_verify (EV_P) EV_THROW |
3183 | ev_verify (EV_P) EV_NOEXCEPT |
2565 | { |
3184 | { |
2566 | #if EV_VERIFY |
3185 | #if EV_VERIFY |
2567 | int i; |
3186 | int i; |
2568 | WL w, w2; |
3187 | WL w, w2; |
2569 | |
3188 | |
… | |
… | |
2645 | #endif |
3264 | #endif |
2646 | } |
3265 | } |
2647 | #endif |
3266 | #endif |
2648 | |
3267 | |
2649 | #if EV_MULTIPLICITY |
3268 | #if EV_MULTIPLICITY |
|
|
3269 | ecb_cold |
2650 | struct ev_loop * ecb_cold |
3270 | struct ev_loop * |
2651 | #else |
3271 | #else |
2652 | int |
3272 | int |
2653 | #endif |
3273 | #endif |
2654 | ev_default_loop (unsigned int flags) EV_THROW |
3274 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2655 | { |
3275 | { |
2656 | if (!ev_default_loop_ptr) |
3276 | if (!ev_default_loop_ptr) |
2657 | { |
3277 | { |
2658 | #if EV_MULTIPLICITY |
3278 | #if EV_MULTIPLICITY |
2659 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3279 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2678 | |
3298 | |
2679 | return ev_default_loop_ptr; |
3299 | return ev_default_loop_ptr; |
2680 | } |
3300 | } |
2681 | |
3301 | |
2682 | void |
3302 | void |
2683 | ev_loop_fork (EV_P) EV_THROW |
3303 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2684 | { |
3304 | { |
2685 | postfork = 1; /* must be in line with ev_default_fork */ |
3305 | postfork = 1; |
2686 | } |
3306 | } |
2687 | |
3307 | |
2688 | /*****************************************************************************/ |
3308 | /*****************************************************************************/ |
2689 | |
3309 | |
2690 | void |
3310 | void |
… | |
… | |
2692 | { |
3312 | { |
2693 | EV_CB_INVOKE ((W)w, revents); |
3313 | EV_CB_INVOKE ((W)w, revents); |
2694 | } |
3314 | } |
2695 | |
3315 | |
2696 | unsigned int |
3316 | unsigned int |
2697 | ev_pending_count (EV_P) EV_THROW |
3317 | ev_pending_count (EV_P) EV_NOEXCEPT |
2698 | { |
3318 | { |
2699 | int pri; |
3319 | int pri; |
2700 | unsigned int count = 0; |
3320 | unsigned int count = 0; |
2701 | |
3321 | |
2702 | for (pri = NUMPRI; pri--; ) |
3322 | for (pri = NUMPRI; pri--; ) |
2703 | count += pendingcnt [pri]; |
3323 | count += pendingcnt [pri]; |
2704 | |
3324 | |
2705 | return count; |
3325 | return count; |
2706 | } |
3326 | } |
2707 | |
3327 | |
2708 | void noinline |
3328 | noinline |
|
|
3329 | void |
2709 | ev_invoke_pending (EV_P) |
3330 | ev_invoke_pending (EV_P) |
2710 | { |
3331 | { |
2711 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
3332 | pendingpri = NUMPRI; |
|
|
3333 | |
|
|
3334 | do |
|
|
3335 | { |
|
|
3336 | --pendingpri; |
|
|
3337 | |
|
|
3338 | /* pendingpri possibly gets modified in the inner loop */ |
2712 | while (pendingcnt [pendingpri]) |
3339 | while (pendingcnt [pendingpri]) |
2713 | { |
3340 | { |
2714 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3341 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2715 | |
3342 | |
2716 | p->w->pending = 0; |
3343 | p->w->pending = 0; |
2717 | EV_CB_INVOKE (p->w, p->events); |
3344 | EV_CB_INVOKE (p->w, p->events); |
2718 | EV_FREQUENT_CHECK; |
3345 | EV_FREQUENT_CHECK; |
2719 | } |
3346 | } |
|
|
3347 | } |
|
|
3348 | while (pendingpri); |
2720 | } |
3349 | } |
2721 | |
3350 | |
2722 | #if EV_IDLE_ENABLE |
3351 | #if EV_IDLE_ENABLE |
2723 | /* make idle watchers pending. this handles the "call-idle */ |
3352 | /* make idle watchers pending. this handles the "call-idle */ |
2724 | /* only when higher priorities are idle" logic */ |
3353 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2782 | } |
3411 | } |
2783 | } |
3412 | } |
2784 | |
3413 | |
2785 | #if EV_PERIODIC_ENABLE |
3414 | #if EV_PERIODIC_ENABLE |
2786 | |
3415 | |
2787 | static void noinline |
3416 | noinline |
|
|
3417 | static void |
2788 | periodic_recalc (EV_P_ ev_periodic *w) |
3418 | periodic_recalc (EV_P_ ev_periodic *w) |
2789 | { |
3419 | { |
2790 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3420 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
2791 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3421 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
2792 | |
3422 | |
… | |
… | |
2850 | } |
3480 | } |
2851 | } |
3481 | } |
2852 | |
3482 | |
2853 | /* simply recalculate all periodics */ |
3483 | /* simply recalculate all periodics */ |
2854 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3484 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2855 | static void noinline ecb_cold |
3485 | noinline ecb_cold |
|
|
3486 | static void |
2856 | periodics_reschedule (EV_P) |
3487 | periodics_reschedule (EV_P) |
2857 | { |
3488 | { |
2858 | int i; |
3489 | int i; |
2859 | |
3490 | |
2860 | /* adjust periodics after time jump */ |
3491 | /* adjust periodics after time jump */ |
… | |
… | |
2873 | reheap (periodics, periodiccnt); |
3504 | reheap (periodics, periodiccnt); |
2874 | } |
3505 | } |
2875 | #endif |
3506 | #endif |
2876 | |
3507 | |
2877 | /* adjust all timers by a given offset */ |
3508 | /* adjust all timers by a given offset */ |
2878 | static void noinline ecb_cold |
3509 | noinline ecb_cold |
|
|
3510 | static void |
2879 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3511 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2880 | { |
3512 | { |
2881 | int i; |
3513 | int i; |
2882 | |
3514 | |
2883 | for (i = 0; i < timercnt; ++i) |
3515 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3082 | backend_poll (EV_A_ waittime); |
3714 | backend_poll (EV_A_ waittime); |
3083 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3715 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3084 | |
3716 | |
3085 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3717 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3086 | |
3718 | |
|
|
3719 | ECB_MEMORY_FENCE_ACQUIRE; |
3087 | if (pipe_write_skipped) |
3720 | if (pipe_write_skipped) |
3088 | { |
3721 | { |
3089 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3722 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3090 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3723 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3091 | } |
3724 | } |
… | |
… | |
3129 | |
3762 | |
3130 | return activecnt; |
3763 | return activecnt; |
3131 | } |
3764 | } |
3132 | |
3765 | |
3133 | void |
3766 | void |
3134 | ev_break (EV_P_ int how) EV_THROW |
3767 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3135 | { |
3768 | { |
3136 | loop_done = how; |
3769 | loop_done = how; |
3137 | } |
3770 | } |
3138 | |
3771 | |
3139 | void |
3772 | void |
3140 | ev_ref (EV_P) EV_THROW |
3773 | ev_ref (EV_P) EV_NOEXCEPT |
3141 | { |
3774 | { |
3142 | ++activecnt; |
3775 | ++activecnt; |
3143 | } |
3776 | } |
3144 | |
3777 | |
3145 | void |
3778 | void |
3146 | ev_unref (EV_P) EV_THROW |
3779 | ev_unref (EV_P) EV_NOEXCEPT |
3147 | { |
3780 | { |
3148 | --activecnt; |
3781 | --activecnt; |
3149 | } |
3782 | } |
3150 | |
3783 | |
3151 | void |
3784 | void |
3152 | ev_now_update (EV_P) EV_THROW |
3785 | ev_now_update (EV_P) EV_NOEXCEPT |
3153 | { |
3786 | { |
3154 | time_update (EV_A_ 1e100); |
3787 | time_update (EV_A_ 1e100); |
3155 | } |
3788 | } |
3156 | |
3789 | |
3157 | void |
3790 | void |
3158 | ev_suspend (EV_P) EV_THROW |
3791 | ev_suspend (EV_P) EV_NOEXCEPT |
3159 | { |
3792 | { |
3160 | ev_now_update (EV_A); |
3793 | ev_now_update (EV_A); |
3161 | } |
3794 | } |
3162 | |
3795 | |
3163 | void |
3796 | void |
3164 | ev_resume (EV_P) EV_THROW |
3797 | ev_resume (EV_P) EV_NOEXCEPT |
3165 | { |
3798 | { |
3166 | ev_tstamp mn_prev = mn_now; |
3799 | ev_tstamp mn_prev = mn_now; |
3167 | |
3800 | |
3168 | ev_now_update (EV_A); |
3801 | ev_now_update (EV_A); |
3169 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3802 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3208 | w->pending = 0; |
3841 | w->pending = 0; |
3209 | } |
3842 | } |
3210 | } |
3843 | } |
3211 | |
3844 | |
3212 | int |
3845 | int |
3213 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3846 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3214 | { |
3847 | { |
3215 | W w_ = (W)w; |
3848 | W w_ = (W)w; |
3216 | int pending = w_->pending; |
3849 | int pending = w_->pending; |
3217 | |
3850 | |
3218 | if (expect_true (pending)) |
3851 | if (expect_true (pending)) |
… | |
… | |
3250 | w->active = 0; |
3883 | w->active = 0; |
3251 | } |
3884 | } |
3252 | |
3885 | |
3253 | /*****************************************************************************/ |
3886 | /*****************************************************************************/ |
3254 | |
3887 | |
3255 | void noinline |
3888 | noinline |
|
|
3889 | void |
3256 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3890 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3257 | { |
3891 | { |
3258 | int fd = w->fd; |
3892 | int fd = w->fd; |
3259 | |
3893 | |
3260 | if (expect_false (ev_is_active (w))) |
3894 | if (expect_false (ev_is_active (w))) |
3261 | return; |
3895 | return; |
… | |
… | |
3264 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3898 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3265 | |
3899 | |
3266 | EV_FREQUENT_CHECK; |
3900 | EV_FREQUENT_CHECK; |
3267 | |
3901 | |
3268 | ev_start (EV_A_ (W)w, 1); |
3902 | ev_start (EV_A_ (W)w, 1); |
3269 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3903 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3270 | wlist_add (&anfds[fd].head, (WL)w); |
3904 | wlist_add (&anfds[fd].head, (WL)w); |
3271 | |
3905 | |
3272 | /* common bug, apparently */ |
3906 | /* common bug, apparently */ |
3273 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3907 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3274 | |
3908 | |
… | |
… | |
3276 | w->events &= ~EV__IOFDSET; |
3910 | w->events &= ~EV__IOFDSET; |
3277 | |
3911 | |
3278 | EV_FREQUENT_CHECK; |
3912 | EV_FREQUENT_CHECK; |
3279 | } |
3913 | } |
3280 | |
3914 | |
3281 | void noinline |
3915 | noinline |
|
|
3916 | void |
3282 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3917 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3283 | { |
3918 | { |
3284 | clear_pending (EV_A_ (W)w); |
3919 | clear_pending (EV_A_ (W)w); |
3285 | if (expect_false (!ev_is_active (w))) |
3920 | if (expect_false (!ev_is_active (w))) |
3286 | return; |
3921 | return; |
3287 | |
3922 | |
… | |
… | |
3295 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3930 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3296 | |
3931 | |
3297 | EV_FREQUENT_CHECK; |
3932 | EV_FREQUENT_CHECK; |
3298 | } |
3933 | } |
3299 | |
3934 | |
3300 | void noinline |
3935 | noinline |
|
|
3936 | void |
3301 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3937 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3302 | { |
3938 | { |
3303 | if (expect_false (ev_is_active (w))) |
3939 | if (expect_false (ev_is_active (w))) |
3304 | return; |
3940 | return; |
3305 | |
3941 | |
3306 | ev_at (w) += mn_now; |
3942 | ev_at (w) += mn_now; |
… | |
… | |
3309 | |
3945 | |
3310 | EV_FREQUENT_CHECK; |
3946 | EV_FREQUENT_CHECK; |
3311 | |
3947 | |
3312 | ++timercnt; |
3948 | ++timercnt; |
3313 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3949 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3314 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3950 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3315 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3951 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3316 | ANHE_at_cache (timers [ev_active (w)]); |
3952 | ANHE_at_cache (timers [ev_active (w)]); |
3317 | upheap (timers, ev_active (w)); |
3953 | upheap (timers, ev_active (w)); |
3318 | |
3954 | |
3319 | EV_FREQUENT_CHECK; |
3955 | EV_FREQUENT_CHECK; |
3320 | |
3956 | |
3321 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3957 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3322 | } |
3958 | } |
3323 | |
3959 | |
3324 | void noinline |
3960 | noinline |
|
|
3961 | void |
3325 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3962 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3326 | { |
3963 | { |
3327 | clear_pending (EV_A_ (W)w); |
3964 | clear_pending (EV_A_ (W)w); |
3328 | if (expect_false (!ev_is_active (w))) |
3965 | if (expect_false (!ev_is_active (w))) |
3329 | return; |
3966 | return; |
3330 | |
3967 | |
… | |
… | |
3349 | ev_stop (EV_A_ (W)w); |
3986 | ev_stop (EV_A_ (W)w); |
3350 | |
3987 | |
3351 | EV_FREQUENT_CHECK; |
3988 | EV_FREQUENT_CHECK; |
3352 | } |
3989 | } |
3353 | |
3990 | |
3354 | void noinline |
3991 | noinline |
|
|
3992 | void |
3355 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3993 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3356 | { |
3994 | { |
3357 | EV_FREQUENT_CHECK; |
3995 | EV_FREQUENT_CHECK; |
3358 | |
3996 | |
3359 | clear_pending (EV_A_ (W)w); |
3997 | clear_pending (EV_A_ (W)w); |
3360 | |
3998 | |
… | |
… | |
3377 | |
4015 | |
3378 | EV_FREQUENT_CHECK; |
4016 | EV_FREQUENT_CHECK; |
3379 | } |
4017 | } |
3380 | |
4018 | |
3381 | ev_tstamp |
4019 | ev_tstamp |
3382 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4020 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3383 | { |
4021 | { |
3384 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4022 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3385 | } |
4023 | } |
3386 | |
4024 | |
3387 | #if EV_PERIODIC_ENABLE |
4025 | #if EV_PERIODIC_ENABLE |
3388 | void noinline |
4026 | noinline |
|
|
4027 | void |
3389 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4028 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3390 | { |
4029 | { |
3391 | if (expect_false (ev_is_active (w))) |
4030 | if (expect_false (ev_is_active (w))) |
3392 | return; |
4031 | return; |
3393 | |
4032 | |
3394 | if (w->reschedule_cb) |
4033 | if (w->reschedule_cb) |
… | |
… | |
3403 | |
4042 | |
3404 | EV_FREQUENT_CHECK; |
4043 | EV_FREQUENT_CHECK; |
3405 | |
4044 | |
3406 | ++periodiccnt; |
4045 | ++periodiccnt; |
3407 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4046 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3408 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4047 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3409 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4048 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3410 | ANHE_at_cache (periodics [ev_active (w)]); |
4049 | ANHE_at_cache (periodics [ev_active (w)]); |
3411 | upheap (periodics, ev_active (w)); |
4050 | upheap (periodics, ev_active (w)); |
3412 | |
4051 | |
3413 | EV_FREQUENT_CHECK; |
4052 | EV_FREQUENT_CHECK; |
3414 | |
4053 | |
3415 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4054 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3416 | } |
4055 | } |
3417 | |
4056 | |
3418 | void noinline |
4057 | noinline |
|
|
4058 | void |
3419 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4059 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3420 | { |
4060 | { |
3421 | clear_pending (EV_A_ (W)w); |
4061 | clear_pending (EV_A_ (W)w); |
3422 | if (expect_false (!ev_is_active (w))) |
4062 | if (expect_false (!ev_is_active (w))) |
3423 | return; |
4063 | return; |
3424 | |
4064 | |
… | |
… | |
3441 | ev_stop (EV_A_ (W)w); |
4081 | ev_stop (EV_A_ (W)w); |
3442 | |
4082 | |
3443 | EV_FREQUENT_CHECK; |
4083 | EV_FREQUENT_CHECK; |
3444 | } |
4084 | } |
3445 | |
4085 | |
3446 | void noinline |
4086 | noinline |
|
|
4087 | void |
3447 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4088 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3448 | { |
4089 | { |
3449 | /* TODO: use adjustheap and recalculation */ |
4090 | /* TODO: use adjustheap and recalculation */ |
3450 | ev_periodic_stop (EV_A_ w); |
4091 | ev_periodic_stop (EV_A_ w); |
3451 | ev_periodic_start (EV_A_ w); |
4092 | ev_periodic_start (EV_A_ w); |
3452 | } |
4093 | } |
… | |
… | |
3456 | # define SA_RESTART 0 |
4097 | # define SA_RESTART 0 |
3457 | #endif |
4098 | #endif |
3458 | |
4099 | |
3459 | #if EV_SIGNAL_ENABLE |
4100 | #if EV_SIGNAL_ENABLE |
3460 | |
4101 | |
3461 | void noinline |
4102 | noinline |
|
|
4103 | void |
3462 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4104 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3463 | { |
4105 | { |
3464 | if (expect_false (ev_is_active (w))) |
4106 | if (expect_false (ev_is_active (w))) |
3465 | return; |
4107 | return; |
3466 | |
4108 | |
3467 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4109 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3469 | #if EV_MULTIPLICITY |
4111 | #if EV_MULTIPLICITY |
3470 | assert (("libev: a signal must not be attached to two different loops", |
4112 | assert (("libev: a signal must not be attached to two different loops", |
3471 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
4113 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
3472 | |
4114 | |
3473 | signals [w->signum - 1].loop = EV_A; |
4115 | signals [w->signum - 1].loop = EV_A; |
|
|
4116 | ECB_MEMORY_FENCE_RELEASE; |
3474 | #endif |
4117 | #endif |
3475 | |
4118 | |
3476 | EV_FREQUENT_CHECK; |
4119 | EV_FREQUENT_CHECK; |
3477 | |
4120 | |
3478 | #if EV_USE_SIGNALFD |
4121 | #if EV_USE_SIGNALFD |
… | |
… | |
3537 | } |
4180 | } |
3538 | |
4181 | |
3539 | EV_FREQUENT_CHECK; |
4182 | EV_FREQUENT_CHECK; |
3540 | } |
4183 | } |
3541 | |
4184 | |
3542 | void noinline |
4185 | noinline |
|
|
4186 | void |
3543 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4187 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3544 | { |
4188 | { |
3545 | clear_pending (EV_A_ (W)w); |
4189 | clear_pending (EV_A_ (W)w); |
3546 | if (expect_false (!ev_is_active (w))) |
4190 | if (expect_false (!ev_is_active (w))) |
3547 | return; |
4191 | return; |
3548 | |
4192 | |
… | |
… | |
3579 | #endif |
4223 | #endif |
3580 | |
4224 | |
3581 | #if EV_CHILD_ENABLE |
4225 | #if EV_CHILD_ENABLE |
3582 | |
4226 | |
3583 | void |
4227 | void |
3584 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4228 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3585 | { |
4229 | { |
3586 | #if EV_MULTIPLICITY |
4230 | #if EV_MULTIPLICITY |
3587 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4231 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3588 | #endif |
4232 | #endif |
3589 | if (expect_false (ev_is_active (w))) |
4233 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3596 | |
4240 | |
3597 | EV_FREQUENT_CHECK; |
4241 | EV_FREQUENT_CHECK; |
3598 | } |
4242 | } |
3599 | |
4243 | |
3600 | void |
4244 | void |
3601 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4245 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3602 | { |
4246 | { |
3603 | clear_pending (EV_A_ (W)w); |
4247 | clear_pending (EV_A_ (W)w); |
3604 | if (expect_false (!ev_is_active (w))) |
4248 | if (expect_false (!ev_is_active (w))) |
3605 | return; |
4249 | return; |
3606 | |
4250 | |
… | |
… | |
3623 | |
4267 | |
3624 | #define DEF_STAT_INTERVAL 5.0074891 |
4268 | #define DEF_STAT_INTERVAL 5.0074891 |
3625 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4269 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3626 | #define MIN_STAT_INTERVAL 0.1074891 |
4270 | #define MIN_STAT_INTERVAL 0.1074891 |
3627 | |
4271 | |
3628 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4272 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3629 | |
4273 | |
3630 | #if EV_USE_INOTIFY |
4274 | #if EV_USE_INOTIFY |
3631 | |
4275 | |
3632 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4276 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3633 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4277 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3634 | |
4278 | |
3635 | static void noinline |
4279 | noinline |
|
|
4280 | static void |
3636 | infy_add (EV_P_ ev_stat *w) |
4281 | infy_add (EV_P_ ev_stat *w) |
3637 | { |
4282 | { |
3638 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
4283 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
4284 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
4285 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
4286 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
3639 | |
4287 | |
3640 | if (w->wd >= 0) |
4288 | if (w->wd >= 0) |
3641 | { |
4289 | { |
3642 | struct statfs sfs; |
4290 | struct statfs sfs; |
3643 | |
4291 | |
… | |
… | |
3647 | |
4295 | |
3648 | if (!fs_2625) |
4296 | if (!fs_2625) |
3649 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
4297 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3650 | else if (!statfs (w->path, &sfs) |
4298 | else if (!statfs (w->path, &sfs) |
3651 | && (sfs.f_type == 0x1373 /* devfs */ |
4299 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
4300 | || sfs.f_type == 0x4006 /* fat */ |
|
|
4301 | || sfs.f_type == 0x4d44 /* msdos */ |
3652 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
4302 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
4303 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
4304 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
4305 | || sfs.f_type == 0x5346544e /* ntfs */ |
3653 | || sfs.f_type == 0x3153464a /* jfs */ |
4306 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
4307 | || sfs.f_type == 0x9123683e /* btrfs */ |
3654 | || sfs.f_type == 0x52654973 /* reiser3 */ |
4308 | || sfs.f_type == 0x52654973 /* reiser3 */ |
3655 | || sfs.f_type == 0x01021994 /* tempfs */ |
4309 | || sfs.f_type == 0x01021994 /* tmpfs */ |
3656 | || sfs.f_type == 0x58465342 /* xfs */)) |
4310 | || sfs.f_type == 0x58465342 /* xfs */)) |
3657 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
4311 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
3658 | else |
4312 | else |
3659 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
4313 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
3660 | } |
4314 | } |
… | |
… | |
3695 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4349 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3696 | ev_timer_again (EV_A_ &w->timer); |
4350 | ev_timer_again (EV_A_ &w->timer); |
3697 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4351 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3698 | } |
4352 | } |
3699 | |
4353 | |
3700 | static void noinline |
4354 | noinline |
|
|
4355 | static void |
3701 | infy_del (EV_P_ ev_stat *w) |
4356 | infy_del (EV_P_ ev_stat *w) |
3702 | { |
4357 | { |
3703 | int slot; |
4358 | int slot; |
3704 | int wd = w->wd; |
4359 | int wd = w->wd; |
3705 | |
4360 | |
… | |
… | |
3712 | |
4367 | |
3713 | /* remove this watcher, if others are watching it, they will rearm */ |
4368 | /* remove this watcher, if others are watching it, they will rearm */ |
3714 | inotify_rm_watch (fs_fd, wd); |
4369 | inotify_rm_watch (fs_fd, wd); |
3715 | } |
4370 | } |
3716 | |
4371 | |
3717 | static void noinline |
4372 | noinline |
|
|
4373 | static void |
3718 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4374 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3719 | { |
4375 | { |
3720 | if (slot < 0) |
4376 | if (slot < 0) |
3721 | /* overflow, need to check for all hash slots */ |
4377 | /* overflow, need to check for all hash slots */ |
3722 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4378 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
3758 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4414 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3759 | ofs += sizeof (struct inotify_event) + ev->len; |
4415 | ofs += sizeof (struct inotify_event) + ev->len; |
3760 | } |
4416 | } |
3761 | } |
4417 | } |
3762 | |
4418 | |
3763 | inline_size void ecb_cold |
4419 | inline_size ecb_cold |
|
|
4420 | void |
3764 | ev_check_2625 (EV_P) |
4421 | ev_check_2625 (EV_P) |
3765 | { |
4422 | { |
3766 | /* kernels < 2.6.25 are borked |
4423 | /* kernels < 2.6.25 are borked |
3767 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4424 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3768 | */ |
4425 | */ |
… | |
… | |
3858 | #else |
4515 | #else |
3859 | # define EV_LSTAT(p,b) lstat (p, b) |
4516 | # define EV_LSTAT(p,b) lstat (p, b) |
3860 | #endif |
4517 | #endif |
3861 | |
4518 | |
3862 | void |
4519 | void |
3863 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4520 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
3864 | { |
4521 | { |
3865 | if (lstat (w->path, &w->attr) < 0) |
4522 | if (lstat (w->path, &w->attr) < 0) |
3866 | w->attr.st_nlink = 0; |
4523 | w->attr.st_nlink = 0; |
3867 | else if (!w->attr.st_nlink) |
4524 | else if (!w->attr.st_nlink) |
3868 | w->attr.st_nlink = 1; |
4525 | w->attr.st_nlink = 1; |
3869 | } |
4526 | } |
3870 | |
4527 | |
3871 | static void noinline |
4528 | noinline |
|
|
4529 | static void |
3872 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4530 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3873 | { |
4531 | { |
3874 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4532 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3875 | |
4533 | |
3876 | ev_statdata prev = w->attr; |
4534 | ev_statdata prev = w->attr; |
… | |
… | |
3907 | ev_feed_event (EV_A_ w, EV_STAT); |
4565 | ev_feed_event (EV_A_ w, EV_STAT); |
3908 | } |
4566 | } |
3909 | } |
4567 | } |
3910 | |
4568 | |
3911 | void |
4569 | void |
3912 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4570 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
3913 | { |
4571 | { |
3914 | if (expect_false (ev_is_active (w))) |
4572 | if (expect_false (ev_is_active (w))) |
3915 | return; |
4573 | return; |
3916 | |
4574 | |
3917 | ev_stat_stat (EV_A_ w); |
4575 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3938 | |
4596 | |
3939 | EV_FREQUENT_CHECK; |
4597 | EV_FREQUENT_CHECK; |
3940 | } |
4598 | } |
3941 | |
4599 | |
3942 | void |
4600 | void |
3943 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4601 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
3944 | { |
4602 | { |
3945 | clear_pending (EV_A_ (W)w); |
4603 | clear_pending (EV_A_ (W)w); |
3946 | if (expect_false (!ev_is_active (w))) |
4604 | if (expect_false (!ev_is_active (w))) |
3947 | return; |
4605 | return; |
3948 | |
4606 | |
… | |
… | |
3964 | } |
4622 | } |
3965 | #endif |
4623 | #endif |
3966 | |
4624 | |
3967 | #if EV_IDLE_ENABLE |
4625 | #if EV_IDLE_ENABLE |
3968 | void |
4626 | void |
3969 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4627 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
3970 | { |
4628 | { |
3971 | if (expect_false (ev_is_active (w))) |
4629 | if (expect_false (ev_is_active (w))) |
3972 | return; |
4630 | return; |
3973 | |
4631 | |
3974 | pri_adjust (EV_A_ (W)w); |
4632 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3979 | int active = ++idlecnt [ABSPRI (w)]; |
4637 | int active = ++idlecnt [ABSPRI (w)]; |
3980 | |
4638 | |
3981 | ++idleall; |
4639 | ++idleall; |
3982 | ev_start (EV_A_ (W)w, active); |
4640 | ev_start (EV_A_ (W)w, active); |
3983 | |
4641 | |
3984 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4642 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
3985 | idles [ABSPRI (w)][active - 1] = w; |
4643 | idles [ABSPRI (w)][active - 1] = w; |
3986 | } |
4644 | } |
3987 | |
4645 | |
3988 | EV_FREQUENT_CHECK; |
4646 | EV_FREQUENT_CHECK; |
3989 | } |
4647 | } |
3990 | |
4648 | |
3991 | void |
4649 | void |
3992 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4650 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
3993 | { |
4651 | { |
3994 | clear_pending (EV_A_ (W)w); |
4652 | clear_pending (EV_A_ (W)w); |
3995 | if (expect_false (!ev_is_active (w))) |
4653 | if (expect_false (!ev_is_active (w))) |
3996 | return; |
4654 | return; |
3997 | |
4655 | |
… | |
… | |
4011 | } |
4669 | } |
4012 | #endif |
4670 | #endif |
4013 | |
4671 | |
4014 | #if EV_PREPARE_ENABLE |
4672 | #if EV_PREPARE_ENABLE |
4015 | void |
4673 | void |
4016 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4674 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4017 | { |
4675 | { |
4018 | if (expect_false (ev_is_active (w))) |
4676 | if (expect_false (ev_is_active (w))) |
4019 | return; |
4677 | return; |
4020 | |
4678 | |
4021 | EV_FREQUENT_CHECK; |
4679 | EV_FREQUENT_CHECK; |
4022 | |
4680 | |
4023 | ev_start (EV_A_ (W)w, ++preparecnt); |
4681 | ev_start (EV_A_ (W)w, ++preparecnt); |
4024 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4682 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4025 | prepares [preparecnt - 1] = w; |
4683 | prepares [preparecnt - 1] = w; |
4026 | |
4684 | |
4027 | EV_FREQUENT_CHECK; |
4685 | EV_FREQUENT_CHECK; |
4028 | } |
4686 | } |
4029 | |
4687 | |
4030 | void |
4688 | void |
4031 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4689 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4032 | { |
4690 | { |
4033 | clear_pending (EV_A_ (W)w); |
4691 | clear_pending (EV_A_ (W)w); |
4034 | if (expect_false (!ev_is_active (w))) |
4692 | if (expect_false (!ev_is_active (w))) |
4035 | return; |
4693 | return; |
4036 | |
4694 | |
… | |
… | |
4049 | } |
4707 | } |
4050 | #endif |
4708 | #endif |
4051 | |
4709 | |
4052 | #if EV_CHECK_ENABLE |
4710 | #if EV_CHECK_ENABLE |
4053 | void |
4711 | void |
4054 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4712 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4055 | { |
4713 | { |
4056 | if (expect_false (ev_is_active (w))) |
4714 | if (expect_false (ev_is_active (w))) |
4057 | return; |
4715 | return; |
4058 | |
4716 | |
4059 | EV_FREQUENT_CHECK; |
4717 | EV_FREQUENT_CHECK; |
4060 | |
4718 | |
4061 | ev_start (EV_A_ (W)w, ++checkcnt); |
4719 | ev_start (EV_A_ (W)w, ++checkcnt); |
4062 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4720 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4063 | checks [checkcnt - 1] = w; |
4721 | checks [checkcnt - 1] = w; |
4064 | |
4722 | |
4065 | EV_FREQUENT_CHECK; |
4723 | EV_FREQUENT_CHECK; |
4066 | } |
4724 | } |
4067 | |
4725 | |
4068 | void |
4726 | void |
4069 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4727 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4070 | { |
4728 | { |
4071 | clear_pending (EV_A_ (W)w); |
4729 | clear_pending (EV_A_ (W)w); |
4072 | if (expect_false (!ev_is_active (w))) |
4730 | if (expect_false (!ev_is_active (w))) |
4073 | return; |
4731 | return; |
4074 | |
4732 | |
… | |
… | |
4086 | EV_FREQUENT_CHECK; |
4744 | EV_FREQUENT_CHECK; |
4087 | } |
4745 | } |
4088 | #endif |
4746 | #endif |
4089 | |
4747 | |
4090 | #if EV_EMBED_ENABLE |
4748 | #if EV_EMBED_ENABLE |
4091 | void noinline |
4749 | noinline |
|
|
4750 | void |
4092 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4751 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4093 | { |
4752 | { |
4094 | ev_run (w->other, EVRUN_NOWAIT); |
4753 | ev_run (w->other, EVRUN_NOWAIT); |
4095 | } |
4754 | } |
4096 | |
4755 | |
4097 | static void |
4756 | static void |
… | |
… | |
4145 | ev_idle_stop (EV_A_ idle); |
4804 | ev_idle_stop (EV_A_ idle); |
4146 | } |
4805 | } |
4147 | #endif |
4806 | #endif |
4148 | |
4807 | |
4149 | void |
4808 | void |
4150 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4809 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4151 | { |
4810 | { |
4152 | if (expect_false (ev_is_active (w))) |
4811 | if (expect_false (ev_is_active (w))) |
4153 | return; |
4812 | return; |
4154 | |
4813 | |
4155 | { |
4814 | { |
… | |
… | |
4176 | |
4835 | |
4177 | EV_FREQUENT_CHECK; |
4836 | EV_FREQUENT_CHECK; |
4178 | } |
4837 | } |
4179 | |
4838 | |
4180 | void |
4839 | void |
4181 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4840 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4182 | { |
4841 | { |
4183 | clear_pending (EV_A_ (W)w); |
4842 | clear_pending (EV_A_ (W)w); |
4184 | if (expect_false (!ev_is_active (w))) |
4843 | if (expect_false (!ev_is_active (w))) |
4185 | return; |
4844 | return; |
4186 | |
4845 | |
… | |
… | |
4196 | } |
4855 | } |
4197 | #endif |
4856 | #endif |
4198 | |
4857 | |
4199 | #if EV_FORK_ENABLE |
4858 | #if EV_FORK_ENABLE |
4200 | void |
4859 | void |
4201 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4860 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4202 | { |
4861 | { |
4203 | if (expect_false (ev_is_active (w))) |
4862 | if (expect_false (ev_is_active (w))) |
4204 | return; |
4863 | return; |
4205 | |
4864 | |
4206 | EV_FREQUENT_CHECK; |
4865 | EV_FREQUENT_CHECK; |
4207 | |
4866 | |
4208 | ev_start (EV_A_ (W)w, ++forkcnt); |
4867 | ev_start (EV_A_ (W)w, ++forkcnt); |
4209 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4868 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4210 | forks [forkcnt - 1] = w; |
4869 | forks [forkcnt - 1] = w; |
4211 | |
4870 | |
4212 | EV_FREQUENT_CHECK; |
4871 | EV_FREQUENT_CHECK; |
4213 | } |
4872 | } |
4214 | |
4873 | |
4215 | void |
4874 | void |
4216 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4875 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4217 | { |
4876 | { |
4218 | clear_pending (EV_A_ (W)w); |
4877 | clear_pending (EV_A_ (W)w); |
4219 | if (expect_false (!ev_is_active (w))) |
4878 | if (expect_false (!ev_is_active (w))) |
4220 | return; |
4879 | return; |
4221 | |
4880 | |
… | |
… | |
4234 | } |
4893 | } |
4235 | #endif |
4894 | #endif |
4236 | |
4895 | |
4237 | #if EV_CLEANUP_ENABLE |
4896 | #if EV_CLEANUP_ENABLE |
4238 | void |
4897 | void |
4239 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4898 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4240 | { |
4899 | { |
4241 | if (expect_false (ev_is_active (w))) |
4900 | if (expect_false (ev_is_active (w))) |
4242 | return; |
4901 | return; |
4243 | |
4902 | |
4244 | EV_FREQUENT_CHECK; |
4903 | EV_FREQUENT_CHECK; |
4245 | |
4904 | |
4246 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4905 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4247 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4906 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4248 | cleanups [cleanupcnt - 1] = w; |
4907 | cleanups [cleanupcnt - 1] = w; |
4249 | |
4908 | |
4250 | /* cleanup watchers should never keep a refcount on the loop */ |
4909 | /* cleanup watchers should never keep a refcount on the loop */ |
4251 | ev_unref (EV_A); |
4910 | ev_unref (EV_A); |
4252 | EV_FREQUENT_CHECK; |
4911 | EV_FREQUENT_CHECK; |
4253 | } |
4912 | } |
4254 | |
4913 | |
4255 | void |
4914 | void |
4256 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4915 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4257 | { |
4916 | { |
4258 | clear_pending (EV_A_ (W)w); |
4917 | clear_pending (EV_A_ (W)w); |
4259 | if (expect_false (!ev_is_active (w))) |
4918 | if (expect_false (!ev_is_active (w))) |
4260 | return; |
4919 | return; |
4261 | |
4920 | |
… | |
… | |
4275 | } |
4934 | } |
4276 | #endif |
4935 | #endif |
4277 | |
4936 | |
4278 | #if EV_ASYNC_ENABLE |
4937 | #if EV_ASYNC_ENABLE |
4279 | void |
4938 | void |
4280 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4939 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4281 | { |
4940 | { |
4282 | if (expect_false (ev_is_active (w))) |
4941 | if (expect_false (ev_is_active (w))) |
4283 | return; |
4942 | return; |
4284 | |
4943 | |
4285 | w->sent = 0; |
4944 | w->sent = 0; |
… | |
… | |
4287 | evpipe_init (EV_A); |
4946 | evpipe_init (EV_A); |
4288 | |
4947 | |
4289 | EV_FREQUENT_CHECK; |
4948 | EV_FREQUENT_CHECK; |
4290 | |
4949 | |
4291 | ev_start (EV_A_ (W)w, ++asynccnt); |
4950 | ev_start (EV_A_ (W)w, ++asynccnt); |
4292 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4951 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4293 | asyncs [asynccnt - 1] = w; |
4952 | asyncs [asynccnt - 1] = w; |
4294 | |
4953 | |
4295 | EV_FREQUENT_CHECK; |
4954 | EV_FREQUENT_CHECK; |
4296 | } |
4955 | } |
4297 | |
4956 | |
4298 | void |
4957 | void |
4299 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4958 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4300 | { |
4959 | { |
4301 | clear_pending (EV_A_ (W)w); |
4960 | clear_pending (EV_A_ (W)w); |
4302 | if (expect_false (!ev_is_active (w))) |
4961 | if (expect_false (!ev_is_active (w))) |
4303 | return; |
4962 | return; |
4304 | |
4963 | |
… | |
… | |
4315 | |
4974 | |
4316 | EV_FREQUENT_CHECK; |
4975 | EV_FREQUENT_CHECK; |
4317 | } |
4976 | } |
4318 | |
4977 | |
4319 | void |
4978 | void |
4320 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4979 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4321 | { |
4980 | { |
4322 | w->sent = 1; |
4981 | w->sent = 1; |
4323 | evpipe_write (EV_A_ &async_pending); |
4982 | evpipe_write (EV_A_ &async_pending); |
4324 | } |
4983 | } |
4325 | #endif |
4984 | #endif |
… | |
… | |
4362 | |
5021 | |
4363 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5022 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4364 | } |
5023 | } |
4365 | |
5024 | |
4366 | void |
5025 | void |
4367 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5026 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4368 | { |
5027 | { |
4369 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5028 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4370 | |
|
|
4371 | if (expect_false (!once)) |
|
|
4372 | { |
|
|
4373 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4374 | return; |
|
|
4375 | } |
|
|
4376 | |
5029 | |
4377 | once->cb = cb; |
5030 | once->cb = cb; |
4378 | once->arg = arg; |
5031 | once->arg = arg; |
4379 | |
5032 | |
4380 | ev_init (&once->io, once_cb_io); |
5033 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4393 | } |
5046 | } |
4394 | |
5047 | |
4395 | /*****************************************************************************/ |
5048 | /*****************************************************************************/ |
4396 | |
5049 | |
4397 | #if EV_WALK_ENABLE |
5050 | #if EV_WALK_ENABLE |
4398 | void ecb_cold |
5051 | ecb_cold |
|
|
5052 | void |
4399 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5053 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4400 | { |
5054 | { |
4401 | int i, j; |
5055 | int i, j; |
4402 | ev_watcher_list *wl, *wn; |
5056 | ev_watcher_list *wl, *wn; |
4403 | |
5057 | |
4404 | if (types & (EV_IO | EV_EMBED)) |
5058 | if (types & (EV_IO | EV_EMBED)) |