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) 2007-2018 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
48 | #if HAVE_FLOOR |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
|
|
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 | |
|
|
167 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
168 | * a limit of 1024 into their select. Where people have brains, |
|
|
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
170 | * ordered to have a vacuum, or they do anything for money. |
|
|
171 | * This might help. Or not. |
|
|
172 | * Note that this must be defined early, as other include files |
|
|
173 | * will rely on this define as well. |
|
|
174 | */ |
|
|
175 | #define _DARWIN_UNLIMITED_SELECT 1 |
|
|
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 | |
|
|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
215 | * a limit of 1024 into their select. Where people have brains, |
|
|
216 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
217 | * ordered to have a vacuum, or they do anything for money. |
|
|
218 | * This might help. Or not. |
|
|
219 | */ |
|
|
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
|
|
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, */ |
|
|
248 | /* but consider reporting it, too! :) */ |
|
|
249 | # define EV_NSIG 65 |
|
|
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 |
|
|
260 | # endif |
|
|
261 | #endif |
|
|
262 | |
|
|
263 | #if !(_POSIX_TIMERS > 0) |
|
|
264 | # ifndef EV_USE_MONOTONIC |
|
|
265 | # define EV_USE_MONOTONIC 0 |
|
|
266 | # endif |
|
|
267 | # ifndef EV_USE_REALTIME |
|
|
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 |
… | |
… | |
357 | |
365 | |
358 | #ifndef EV_HEAP_CACHE_AT |
366 | #ifndef EV_HEAP_CACHE_AT |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
367 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
360 | #endif |
368 | #endif |
361 | |
369 | |
362 | #ifdef ANDROID |
370 | #ifdef __ANDROID__ |
363 | /* supposedly, android doesn't typedef fd_mask */ |
371 | /* supposedly, android doesn't typedef fd_mask */ |
364 | # undef EV_USE_SELECT |
372 | # undef EV_USE_SELECT |
365 | # define EV_USE_SELECT 0 |
373 | # define EV_USE_SELECT 0 |
366 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
374 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
367 | # undef EV_USE_CLOCK_SYSCALL |
375 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
485 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
493 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
486 | /* ECB.H BEGIN */ |
494 | /* ECB.H BEGIN */ |
487 | /* |
495 | /* |
488 | * libecb - http://software.schmorp.de/pkg/libecb |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
489 | * |
497 | * |
490 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
498 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
491 | * Copyright (©) 2011 Emanuele Giaquinta |
499 | * Copyright (©) 2011 Emanuele Giaquinta |
492 | * All rights reserved. |
500 | * All rights reserved. |
493 | * |
501 | * |
494 | * Redistribution and use in source and binary forms, with or without modifica- |
502 | * Redistribution and use in source and binary forms, with or without modifica- |
495 | * tion, are permitted provided that the following conditions are met: |
503 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
509 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
517 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
510 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
518 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
511 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
519 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
512 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
520 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
513 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
521 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
522 | * |
|
|
523 | * Alternatively, the contents of this file may be used under the terms of |
|
|
524 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
525 | * in which case the provisions of the GPL are applicable instead of |
|
|
526 | * the above. If you wish to allow the use of your version of this file |
|
|
527 | * only under the terms of the GPL and not to allow others to use your |
|
|
528 | * version of this file under the BSD license, indicate your decision |
|
|
529 | * by deleting the provisions above and replace them with the notice |
|
|
530 | * and other provisions required by the GPL. If you do not delete the |
|
|
531 | * provisions above, a recipient may use your version of this file under |
|
|
532 | * either the BSD or the GPL. |
514 | */ |
533 | */ |
515 | |
534 | |
516 | #ifndef ECB_H |
535 | #ifndef ECB_H |
517 | #define ECB_H |
536 | #define ECB_H |
518 | |
537 | |
519 | /* 16 bits major, 16 bits minor */ |
538 | /* 16 bits major, 16 bits minor */ |
520 | #define ECB_VERSION 0x00010002 |
539 | #define ECB_VERSION 0x00010005 |
521 | |
540 | |
522 | #ifdef _WIN32 |
541 | #ifdef _WIN32 |
523 | typedef signed char int8_t; |
542 | typedef signed char int8_t; |
524 | typedef unsigned char uint8_t; |
543 | typedef unsigned char uint8_t; |
525 | typedef signed short int16_t; |
544 | typedef signed short int16_t; |
… | |
… | |
542 | typedef uint32_t uintptr_t; |
561 | typedef uint32_t uintptr_t; |
543 | typedef int32_t intptr_t; |
562 | typedef int32_t intptr_t; |
544 | #endif |
563 | #endif |
545 | #else |
564 | #else |
546 | #include <inttypes.h> |
565 | #include <inttypes.h> |
547 | #if UINTMAX_MAX > 0xffffffffU |
566 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
548 | #define ECB_PTRSIZE 8 |
567 | #define ECB_PTRSIZE 8 |
549 | #else |
568 | #else |
550 | #define ECB_PTRSIZE 4 |
569 | #define ECB_PTRSIZE 4 |
|
|
570 | #endif |
|
|
571 | #endif |
|
|
572 | |
|
|
573 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
574 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
575 | |
|
|
576 | /* work around x32 idiocy by defining proper macros */ |
|
|
577 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
|
|
578 | #if _ILP32 |
|
|
579 | #define ECB_AMD64_X32 1 |
|
|
580 | #else |
|
|
581 | #define ECB_AMD64 1 |
551 | #endif |
582 | #endif |
552 | #endif |
583 | #endif |
553 | |
584 | |
554 | /* many compilers define _GNUC_ to some versions but then only implement |
585 | /* many compilers define _GNUC_ to some versions but then only implement |
555 | * what their idiot authors think are the "more important" extensions, |
586 | * what their idiot authors think are the "more important" extensions, |
556 | * causing enormous grief in return for some better fake benchmark numbers. |
587 | * causing enormous grief in return for some better fake benchmark numbers. |
557 | * or so. |
588 | * or so. |
558 | * we try to detect these and simply assume they are not gcc - if they have |
589 | * we try to detect these and simply assume they are not gcc - if they have |
559 | * an issue with that they should have done it right in the first place. |
590 | * an issue with that they should have done it right in the first place. |
560 | */ |
591 | */ |
561 | #ifndef ECB_GCC_VERSION |
|
|
562 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
592 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
563 | #define ECB_GCC_VERSION(major,minor) 0 |
593 | #define ECB_GCC_VERSION(major,minor) 0 |
564 | #else |
594 | #else |
565 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
595 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
566 | #endif |
596 | #endif |
567 | #endif |
|
|
568 | |
597 | |
569 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
598 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
570 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
599 | |
571 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
600 | #if __clang__ && defined __has_builtin |
|
|
601 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
602 | #else |
|
|
603 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
604 | #endif |
|
|
605 | |
|
|
606 | #if __clang__ && defined __has_extension |
|
|
607 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
608 | #else |
|
|
609 | #define ECB_CLANG_EXTENSION(x) 0 |
|
|
610 | #endif |
|
|
611 | |
572 | #define ECB_CPP (__cplusplus+0) |
612 | #define ECB_CPP (__cplusplus+0) |
573 | #define ECB_CPP11 (__cplusplus >= 201103L) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
614 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
615 | #define ECB_CPP17 (__cplusplus >= 201703L) |
|
|
616 | |
|
|
617 | #if ECB_CPP |
|
|
618 | #define ECB_C 0 |
|
|
619 | #define ECB_STDC_VERSION 0 |
|
|
620 | #else |
|
|
621 | #define ECB_C 1 |
|
|
622 | #define ECB_STDC_VERSION __STDC_VERSION__ |
|
|
623 | #endif |
|
|
624 | |
|
|
625 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
|
|
626 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
627 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
574 | |
628 | |
575 | #if ECB_CPP |
629 | #if ECB_CPP |
576 | #define ECB_EXTERN_C extern "C" |
630 | #define ECB_EXTERN_C extern "C" |
577 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
631 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
578 | #define ECB_EXTERN_C_END } |
632 | #define ECB_EXTERN_C_END } |
… | |
… | |
591 | #define ECB_NO_SMP 1 |
645 | #define ECB_NO_SMP 1 |
592 | #endif |
646 | #endif |
593 | |
647 | |
594 | #if ECB_NO_SMP |
648 | #if ECB_NO_SMP |
595 | #define ECB_MEMORY_FENCE do { } while (0) |
649 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
653 | #if __xlC__ && ECB_CPP |
|
|
654 | #include <builtins.h> |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | #if 1400 <= _MSC_VER |
|
|
658 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
596 | #endif |
659 | #endif |
597 | |
660 | |
598 | #ifndef ECB_MEMORY_FENCE |
661 | #ifndef ECB_MEMORY_FENCE |
599 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
662 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
600 | #if __i386 || __i386__ |
663 | #if __i386 || __i386__ |
601 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
602 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
603 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
666 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
604 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
667 | #elif ECB_GCC_AMD64 |
605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
668 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
606 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
669 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
607 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
670 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
608 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
671 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
609 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
673 | #elif defined __ARM_ARCH_2__ \ |
|
|
674 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
675 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
676 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
677 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
678 | || defined __ARM_ARCH_5TEJ__ |
|
|
679 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
610 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
680 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
611 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
681 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
682 | || defined __ARM_ARCH_6T2__ |
612 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
613 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
684 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
614 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
685 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
686 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
616 | #elif __sparc || __sparc__ |
687 | #elif __aarch64__ |
|
|
688 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
689 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
617 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
690 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
618 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
691 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
619 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
692 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
620 | #elif defined __s390__ || defined __s390x__ |
693 | #elif defined __s390__ || defined __s390x__ |
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
694 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
622 | #elif defined __mips__ |
695 | #elif defined __mips__ |
|
|
696 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
697 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
698 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
624 | #elif defined __alpha__ |
699 | #elif defined __alpha__ |
625 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
700 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
626 | #elif defined __hppa__ |
701 | #elif defined __hppa__ |
627 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
702 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
703 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
629 | #elif defined __ia64__ |
704 | #elif defined __ia64__ |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
705 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
706 | #elif defined __m68k__ |
|
|
707 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
708 | #elif defined __m88k__ |
|
|
709 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
710 | #elif defined __sh__ |
|
|
711 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
631 | #endif |
712 | #endif |
632 | #endif |
713 | #endif |
633 | #endif |
714 | #endif |
634 | |
715 | |
635 | #ifndef ECB_MEMORY_FENCE |
716 | #ifndef ECB_MEMORY_FENCE |
636 | #if ECB_GCC_VERSION(4,7) |
717 | #if ECB_GCC_VERSION(4,7) |
637 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
718 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
638 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
719 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
720 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
721 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
639 | |
722 | |
640 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
723 | #elif ECB_CLANG_EXTENSION(c_atomic) |
641 | * without risking compile time errors with other compilers. We *could* |
|
|
642 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
643 | * around this shit time and again. |
|
|
644 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
645 | * // see comment below (stdatomic.h) about the C11 memory model. |
724 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
646 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
725 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
647 | */ |
726 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
727 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
648 | |
728 | |
649 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
729 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
650 | #define ECB_MEMORY_FENCE __sync_synchronize () |
730 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
731 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
732 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
733 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
734 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
735 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
736 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
651 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
737 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
652 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
738 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
653 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
739 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
654 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
740 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
655 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
741 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
… | |
… | |
675 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
761 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
676 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
762 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
677 | /* for most usages, or gcc and clang have a bug */ |
763 | /* for most usages, or gcc and clang have a bug */ |
678 | /* I *currently* lean towards the latter, and inefficiently implement */ |
764 | /* I *currently* lean towards the latter, and inefficiently implement */ |
679 | /* all three of ecb's fences as a seq_cst fence */ |
765 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
766 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
767 | /* for all __atomic_thread_fence's except seq_cst */ |
680 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
768 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
681 | #endif |
769 | #endif |
682 | #endif |
770 | #endif |
683 | |
771 | |
684 | #ifndef ECB_MEMORY_FENCE |
772 | #ifndef ECB_MEMORY_FENCE |
… | |
… | |
707 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
795 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
708 | #endif |
796 | #endif |
709 | |
797 | |
710 | /*****************************************************************************/ |
798 | /*****************************************************************************/ |
711 | |
799 | |
712 | #if __cplusplus |
800 | #if ECB_CPP |
713 | #define ecb_inline static inline |
801 | #define ecb_inline static inline |
714 | #elif ECB_GCC_VERSION(2,5) |
802 | #elif ECB_GCC_VERSION(2,5) |
715 | #define ecb_inline static __inline__ |
803 | #define ecb_inline static __inline__ |
716 | #elif ECB_C99 |
804 | #elif ECB_C99 |
717 | #define ecb_inline static inline |
805 | #define ecb_inline static inline |
… | |
… | |
731 | |
819 | |
732 | #define ECB_CONCAT_(a, b) a ## b |
820 | #define ECB_CONCAT_(a, b) a ## b |
733 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
821 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
734 | #define ECB_STRINGIFY_(a) # a |
822 | #define ECB_STRINGIFY_(a) # a |
735 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
823 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
824 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
736 | |
825 | |
737 | #define ecb_function_ ecb_inline |
826 | #define ecb_function_ ecb_inline |
738 | |
827 | |
739 | #if ECB_GCC_VERSION(3,1) |
828 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
740 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
829 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
830 | #else |
|
|
831 | #define ecb_attribute(attrlist) |
|
|
832 | #endif |
|
|
833 | |
|
|
834 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
741 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
835 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
836 | #else |
|
|
837 | /* possible C11 impl for integral types |
|
|
838 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
839 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
840 | |
|
|
841 | #define ecb_is_constant(expr) 0 |
|
|
842 | #endif |
|
|
843 | |
|
|
844 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
742 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
845 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
846 | #else |
|
|
847 | #define ecb_expect(expr,value) (expr) |
|
|
848 | #endif |
|
|
849 | |
|
|
850 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
743 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
851 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
744 | #else |
852 | #else |
745 | #define ecb_attribute(attrlist) |
|
|
746 | #define ecb_is_constant(expr) 0 |
|
|
747 | #define ecb_expect(expr,value) (expr) |
|
|
748 | #define ecb_prefetch(addr,rw,locality) |
853 | #define ecb_prefetch(addr,rw,locality) |
749 | #endif |
854 | #endif |
750 | |
855 | |
751 | /* no emulation for ecb_decltype */ |
856 | /* no emulation for ecb_decltype */ |
752 | #if ECB_GCC_VERSION(4,5) |
857 | #if ECB_CPP11 |
|
|
858 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
859 | template<class T> struct ecb_decltype_t { typedef T type; }; |
753 | #define ecb_decltype(x) __decltype(x) |
860 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
754 | #elif ECB_GCC_VERSION(3,0) |
861 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
755 | #define ecb_decltype(x) __typeof(x) |
862 | #define ecb_decltype(x) __typeof__ (x) |
756 | #endif |
863 | #endif |
757 | |
864 | |
|
|
865 | #if _MSC_VER >= 1300 |
|
|
866 | #define ecb_deprecated __declspec (deprecated) |
|
|
867 | #else |
|
|
868 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
869 | #endif |
|
|
870 | |
|
|
871 | #if _MSC_VER >= 1500 |
|
|
872 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
873 | #elif ECB_GCC_VERSION(4,5) |
|
|
874 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
875 | #else |
|
|
876 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if _MSC_VER >= 1400 |
|
|
880 | #define ecb_noinline __declspec (noinline) |
|
|
881 | #else |
758 | #define ecb_noinline ecb_attribute ((__noinline__)) |
882 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
883 | #endif |
|
|
884 | |
759 | #define ecb_unused ecb_attribute ((__unused__)) |
885 | #define ecb_unused ecb_attribute ((__unused__)) |
760 | #define ecb_const ecb_attribute ((__const__)) |
886 | #define ecb_const ecb_attribute ((__const__)) |
761 | #define ecb_pure ecb_attribute ((__pure__)) |
887 | #define ecb_pure ecb_attribute ((__pure__)) |
762 | |
888 | |
763 | #if ECB_C11 |
889 | #if ECB_C11 || __IBMC_NORETURN |
|
|
890 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
764 | #define ecb_noreturn _Noreturn |
891 | #define ecb_noreturn _Noreturn |
|
|
892 | #elif ECB_CPP11 |
|
|
893 | #define ecb_noreturn [[noreturn]] |
|
|
894 | #elif _MSC_VER >= 1200 |
|
|
895 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
896 | #define ecb_noreturn __declspec (noreturn) |
765 | #else |
897 | #else |
766 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
898 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
767 | #endif |
899 | #endif |
768 | |
900 | |
769 | #if ECB_GCC_VERSION(4,3) |
901 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
784 | /* for compatibility to the rest of the world */ |
916 | /* for compatibility to the rest of the world */ |
785 | #define ecb_likely(expr) ecb_expect_true (expr) |
917 | #define ecb_likely(expr) ecb_expect_true (expr) |
786 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
918 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
787 | |
919 | |
788 | /* count trailing zero bits and count # of one bits */ |
920 | /* count trailing zero bits and count # of one bits */ |
789 | #if ECB_GCC_VERSION(3,4) |
921 | #if ECB_GCC_VERSION(3,4) \ |
|
|
922 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
923 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
924 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
790 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
925 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
791 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
926 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
792 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
927 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
793 | #define ecb_ctz32(x) __builtin_ctz (x) |
928 | #define ecb_ctz32(x) __builtin_ctz (x) |
794 | #define ecb_ctz64(x) __builtin_ctzll (x) |
929 | #define ecb_ctz64(x) __builtin_ctzll (x) |
795 | #define ecb_popcount32(x) __builtin_popcount (x) |
930 | #define ecb_popcount32(x) __builtin_popcount (x) |
796 | /* no popcountll */ |
931 | /* no popcountll */ |
797 | #else |
932 | #else |
798 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
933 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
799 | ecb_function_ int |
934 | ecb_function_ ecb_const int |
800 | ecb_ctz32 (uint32_t x) |
935 | ecb_ctz32 (uint32_t x) |
801 | { |
936 | { |
|
|
937 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
938 | unsigned long r; |
|
|
939 | _BitScanForward (&r, x); |
|
|
940 | return (int)r; |
|
|
941 | #else |
802 | int r = 0; |
942 | int r = 0; |
803 | |
943 | |
804 | x &= ~x + 1; /* this isolates the lowest bit */ |
944 | x &= ~x + 1; /* this isolates the lowest bit */ |
805 | |
945 | |
806 | #if ECB_branchless_on_i386 |
946 | #if ECB_branchless_on_i386 |
… | |
… | |
816 | if (x & 0xff00ff00) r += 8; |
956 | if (x & 0xff00ff00) r += 8; |
817 | if (x & 0xffff0000) r += 16; |
957 | if (x & 0xffff0000) r += 16; |
818 | #endif |
958 | #endif |
819 | |
959 | |
820 | return r; |
960 | return r; |
|
|
961 | #endif |
821 | } |
962 | } |
822 | |
963 | |
823 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
964 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
824 | ecb_function_ int |
965 | ecb_function_ ecb_const int |
825 | ecb_ctz64 (uint64_t x) |
966 | ecb_ctz64 (uint64_t x) |
826 | { |
967 | { |
|
|
968 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
969 | unsigned long r; |
|
|
970 | _BitScanForward64 (&r, x); |
|
|
971 | return (int)r; |
|
|
972 | #else |
827 | int shift = x & 0xffffffffU ? 0 : 32; |
973 | int shift = x & 0xffffffff ? 0 : 32; |
828 | return ecb_ctz32 (x >> shift) + shift; |
974 | return ecb_ctz32 (x >> shift) + shift; |
|
|
975 | #endif |
829 | } |
976 | } |
830 | |
977 | |
831 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
978 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
832 | ecb_function_ int |
979 | ecb_function_ ecb_const int |
833 | ecb_popcount32 (uint32_t x) |
980 | ecb_popcount32 (uint32_t x) |
834 | { |
981 | { |
835 | x -= (x >> 1) & 0x55555555; |
982 | x -= (x >> 1) & 0x55555555; |
836 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
983 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
837 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
984 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
838 | x *= 0x01010101; |
985 | x *= 0x01010101; |
839 | |
986 | |
840 | return x >> 24; |
987 | return x >> 24; |
841 | } |
988 | } |
842 | |
989 | |
843 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
990 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
844 | ecb_function_ int ecb_ld32 (uint32_t x) |
991 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
845 | { |
992 | { |
|
|
993 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
994 | unsigned long r; |
|
|
995 | _BitScanReverse (&r, x); |
|
|
996 | return (int)r; |
|
|
997 | #else |
846 | int r = 0; |
998 | int r = 0; |
847 | |
999 | |
848 | if (x >> 16) { x >>= 16; r += 16; } |
1000 | if (x >> 16) { x >>= 16; r += 16; } |
849 | if (x >> 8) { x >>= 8; r += 8; } |
1001 | if (x >> 8) { x >>= 8; r += 8; } |
850 | if (x >> 4) { x >>= 4; r += 4; } |
1002 | if (x >> 4) { x >>= 4; r += 4; } |
851 | if (x >> 2) { x >>= 2; r += 2; } |
1003 | if (x >> 2) { x >>= 2; r += 2; } |
852 | if (x >> 1) { r += 1; } |
1004 | if (x >> 1) { r += 1; } |
853 | |
1005 | |
854 | return r; |
1006 | return r; |
|
|
1007 | #endif |
855 | } |
1008 | } |
856 | |
1009 | |
857 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1010 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
858 | ecb_function_ int ecb_ld64 (uint64_t x) |
1011 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
859 | { |
1012 | { |
|
|
1013 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1014 | unsigned long r; |
|
|
1015 | _BitScanReverse64 (&r, x); |
|
|
1016 | return (int)r; |
|
|
1017 | #else |
860 | int r = 0; |
1018 | int r = 0; |
861 | |
1019 | |
862 | if (x >> 32) { x >>= 32; r += 32; } |
1020 | if (x >> 32) { x >>= 32; r += 32; } |
863 | |
1021 | |
864 | return r + ecb_ld32 (x); |
1022 | return r + ecb_ld32 (x); |
|
|
1023 | #endif |
865 | } |
1024 | } |
866 | #endif |
1025 | #endif |
867 | |
1026 | |
868 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1027 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
869 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1028 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
870 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1029 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
871 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1030 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
872 | |
1031 | |
873 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1032 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
874 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1033 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
875 | { |
1034 | { |
876 | return ( (x * 0x0802U & 0x22110U) |
1035 | return ( (x * 0x0802U & 0x22110U) |
877 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1036 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
878 | } |
1037 | } |
879 | |
1038 | |
880 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1039 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
881 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1040 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
882 | { |
1041 | { |
883 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1042 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
884 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1043 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
885 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1044 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
886 | x = ( x >> 8 ) | ( x << 8); |
1045 | x = ( x >> 8 ) | ( x << 8); |
887 | |
1046 | |
888 | return x; |
1047 | return x; |
889 | } |
1048 | } |
890 | |
1049 | |
891 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1050 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
892 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1051 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
893 | { |
1052 | { |
894 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1053 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
895 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1054 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
896 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1055 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
897 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1056 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
900 | return x; |
1059 | return x; |
901 | } |
1060 | } |
902 | |
1061 | |
903 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1062 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
904 | /* so for this version we are lazy */ |
1063 | /* so for this version we are lazy */ |
905 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1064 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
906 | ecb_function_ int |
1065 | ecb_function_ ecb_const int |
907 | ecb_popcount64 (uint64_t x) |
1066 | ecb_popcount64 (uint64_t x) |
908 | { |
1067 | { |
909 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1068 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
910 | } |
1069 | } |
911 | |
1070 | |
912 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1071 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
913 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1072 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
914 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1073 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
915 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1074 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
916 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1075 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
917 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1076 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
918 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1077 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
919 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1078 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
920 | |
1079 | |
921 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1080 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
922 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1081 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
923 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1082 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
924 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1083 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
925 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1084 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
926 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1085 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
927 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1086 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
928 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1087 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
929 | |
1088 | |
930 | #if ECB_GCC_VERSION(4,3) |
1089 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1090 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1091 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1092 | #else |
931 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1093 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1094 | #endif |
932 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1095 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
933 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1096 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1097 | #elif _MSC_VER |
|
|
1098 | #include <stdlib.h> |
|
|
1099 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1100 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1101 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
934 | #else |
1102 | #else |
935 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1103 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
936 | ecb_function_ uint16_t |
1104 | ecb_function_ ecb_const uint16_t |
937 | ecb_bswap16 (uint16_t x) |
1105 | ecb_bswap16 (uint16_t x) |
938 | { |
1106 | { |
939 | return ecb_rotl16 (x, 8); |
1107 | return ecb_rotl16 (x, 8); |
940 | } |
1108 | } |
941 | |
1109 | |
942 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1110 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
943 | ecb_function_ uint32_t |
1111 | ecb_function_ ecb_const uint32_t |
944 | ecb_bswap32 (uint32_t x) |
1112 | ecb_bswap32 (uint32_t x) |
945 | { |
1113 | { |
946 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1114 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
947 | } |
1115 | } |
948 | |
1116 | |
949 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1117 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
950 | ecb_function_ uint64_t |
1118 | ecb_function_ ecb_const uint64_t |
951 | ecb_bswap64 (uint64_t x) |
1119 | ecb_bswap64 (uint64_t x) |
952 | { |
1120 | { |
953 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1121 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
954 | } |
1122 | } |
955 | #endif |
1123 | #endif |
956 | |
1124 | |
957 | #if ECB_GCC_VERSION(4,5) |
1125 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
958 | #define ecb_unreachable() __builtin_unreachable () |
1126 | #define ecb_unreachable() __builtin_unreachable () |
959 | #else |
1127 | #else |
960 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1128 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
961 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1129 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
962 | ecb_inline void ecb_unreachable (void) { } |
1130 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
963 | #endif |
1131 | #endif |
964 | |
1132 | |
965 | /* try to tell the compiler that some condition is definitely true */ |
1133 | /* try to tell the compiler that some condition is definitely true */ |
966 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1134 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
967 | |
1135 | |
968 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1136 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
969 | ecb_inline unsigned char |
1137 | ecb_inline ecb_const uint32_t |
970 | ecb_byteorder_helper (void) |
1138 | ecb_byteorder_helper (void) |
971 | { |
1139 | { |
972 | /* the union code still generates code under pressure in gcc, */ |
1140 | /* the union code still generates code under pressure in gcc, */ |
973 | /* but less than using pointers, and always seems to */ |
1141 | /* but less than using pointers, and always seems to */ |
974 | /* successfully return a constant. */ |
1142 | /* successfully return a constant. */ |
975 | /* the reason why we have this horrible preprocessor mess */ |
1143 | /* the reason why we have this horrible preprocessor mess */ |
976 | /* is to avoid it in all cases, at least on common architectures */ |
1144 | /* is to avoid it in all cases, at least on common architectures */ |
977 | /* or when using a recent enough gcc version (>= 4.6) */ |
1145 | /* or when using a recent enough gcc version (>= 4.6) */ |
978 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
979 | return 0x44; |
|
|
980 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1146 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1147 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1148 | #define ECB_LITTLE_ENDIAN 1 |
981 | return 0x44; |
1149 | return 0x44332211; |
982 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1150 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1151 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1152 | #define ECB_BIG_ENDIAN 1 |
983 | return 0x11; |
1153 | return 0x11223344; |
984 | #else |
1154 | #else |
985 | union |
1155 | union |
986 | { |
1156 | { |
|
|
1157 | uint8_t c[4]; |
987 | uint32_t i; |
1158 | uint32_t u; |
988 | uint8_t c; |
|
|
989 | } u = { 0x11223344 }; |
1159 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
990 | return u.c; |
1160 | return u.u; |
991 | #endif |
1161 | #endif |
992 | } |
1162 | } |
993 | |
1163 | |
994 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1164 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
995 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1165 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
996 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1166 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
997 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1167 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
998 | |
1168 | |
999 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1169 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1000 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1170 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1001 | #else |
1171 | #else |
1002 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1172 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1003 | #endif |
1173 | #endif |
1004 | |
1174 | |
1005 | #if __cplusplus |
1175 | #if ECB_CPP |
1006 | template<typename T> |
1176 | template<typename T> |
1007 | static inline T ecb_div_rd (T val, T div) |
1177 | static inline T ecb_div_rd (T val, T div) |
1008 | { |
1178 | { |
1009 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1179 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1010 | } |
1180 | } |
… | |
… | |
1027 | } |
1197 | } |
1028 | #else |
1198 | #else |
1029 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1199 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1030 | #endif |
1200 | #endif |
1031 | |
1201 | |
|
|
1202 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1203 | ecb_function_ ecb_const uint32_t |
|
|
1204 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1205 | { |
|
|
1206 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1207 | int e = (x >> 10) & 0x001f; |
|
|
1208 | unsigned int m = x & 0x03ff; |
|
|
1209 | |
|
|
1210 | if (ecb_expect_false (e == 31)) |
|
|
1211 | /* infinity or NaN */ |
|
|
1212 | e = 255 - (127 - 15); |
|
|
1213 | else if (ecb_expect_false (!e)) |
|
|
1214 | { |
|
|
1215 | if (ecb_expect_true (!m)) |
|
|
1216 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1217 | e = 0 - (127 - 15); |
|
|
1218 | else |
|
|
1219 | { |
|
|
1220 | /* subnormal, renormalise */ |
|
|
1221 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1222 | |
|
|
1223 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1224 | e -= s - 1; |
|
|
1225 | } |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1229 | e += 127 - 15; |
|
|
1230 | |
|
|
1231 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1235 | ecb_function_ ecb_const uint16_t |
|
|
1236 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1237 | { |
|
|
1238 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1239 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1240 | unsigned int m = x & 0x007fffff; |
|
|
1241 | |
|
|
1242 | x &= 0x7fffffff; |
|
|
1243 | |
|
|
1244 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1245 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1246 | { |
|
|
1247 | /* mantissa round-to-even */ |
|
|
1248 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1249 | |
|
|
1250 | /* handle overflow */ |
|
|
1251 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1252 | { |
|
|
1253 | m >>= 1; |
|
|
1254 | e += 1; |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | /* handle large numbers and infinity */ |
|
|
1261 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1262 | return s | 0x7c00; |
|
|
1263 | |
|
|
1264 | /* handle zero, subnormals and small numbers */ |
|
|
1265 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1266 | { |
|
|
1267 | /* zero */ |
|
|
1268 | if (ecb_expect_true (!x)) |
|
|
1269 | return s; |
|
|
1270 | |
|
|
1271 | /* handle subnormals */ |
|
|
1272 | |
|
|
1273 | /* too small, will be zero */ |
|
|
1274 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1275 | return s; |
|
|
1276 | |
|
|
1277 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1278 | |
|
|
1279 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1280 | { |
|
|
1281 | unsigned int bits = 14 - e; |
|
|
1282 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1283 | unsigned int even = (m >> bits) & 1; |
|
|
1284 | |
|
|
1285 | /* if this overflows, we will end up with a normalised number */ |
|
|
1286 | m = (m + half + even) >> bits; |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | return s | m; |
|
|
1290 | } |
|
|
1291 | |
|
|
1292 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1293 | m >>= 13; |
|
|
1294 | |
|
|
1295 | return s | 0x7c00 | m | !m; |
|
|
1296 | } |
|
|
1297 | |
1032 | /*******************************************************************************/ |
1298 | /*******************************************************************************/ |
1033 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1299 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1034 | |
1300 | |
1035 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1301 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1036 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1302 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1037 | #if 0 \ |
1303 | #if 0 \ |
1038 | || __i386 || __i386__ \ |
1304 | || __i386 || __i386__ \ |
1039 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1305 | || ECB_GCC_AMD64 \ |
1040 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1306 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1041 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1042 | || defined __s390__ || defined __s390x__ \ |
1307 | || defined __s390__ || defined __s390x__ \ |
1043 | || defined __mips__ \ |
1308 | || defined __mips__ \ |
1044 | || defined __alpha__ \ |
1309 | || defined __alpha__ \ |
1045 | || defined __hppa__ \ |
1310 | || defined __hppa__ \ |
1046 | || defined __ia64__ \ |
1311 | || defined __ia64__ \ |
|
|
1312 | || defined __m68k__ \ |
|
|
1313 | || defined __m88k__ \ |
|
|
1314 | || defined __sh__ \ |
1047 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1315 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1316 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1317 | || defined __aarch64__ |
1048 | #define ECB_STDFP 1 |
1318 | #define ECB_STDFP 1 |
1049 | #include <string.h> /* for memcpy */ |
1319 | #include <string.h> /* for memcpy */ |
1050 | #else |
1320 | #else |
1051 | #define ECB_STDFP 0 |
1321 | #define ECB_STDFP 0 |
1052 | #include <math.h> /* for frexp*, ldexp* */ |
|
|
1053 | #endif |
1322 | #endif |
1054 | |
1323 | |
1055 | #ifndef ECB_NO_LIBM |
1324 | #ifndef ECB_NO_LIBM |
1056 | |
1325 | |
|
|
1326 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1327 | |
|
|
1328 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1329 | #ifdef INFINITY |
|
|
1330 | #define ECB_INFINITY INFINITY |
|
|
1331 | #else |
|
|
1332 | #define ECB_INFINITY HUGE_VAL |
|
|
1333 | #endif |
|
|
1334 | |
|
|
1335 | #ifdef NAN |
|
|
1336 | #define ECB_NAN NAN |
|
|
1337 | #else |
|
|
1338 | #define ECB_NAN ECB_INFINITY |
|
|
1339 | #endif |
|
|
1340 | |
|
|
1341 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1342 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1343 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1344 | #else |
|
|
1345 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1346 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1347 | #endif |
|
|
1348 | |
1057 | /* convert a float to ieee single/binary32 */ |
1349 | /* convert a float to ieee single/binary32 */ |
1058 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1350 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1059 | ecb_function_ uint32_t |
1351 | ecb_function_ ecb_const uint32_t |
1060 | ecb_float_to_binary32 (float x) |
1352 | ecb_float_to_binary32 (float x) |
1061 | { |
1353 | { |
1062 | uint32_t r; |
1354 | uint32_t r; |
1063 | |
1355 | |
1064 | #if ECB_STDFP |
1356 | #if ECB_STDFP |
… | |
… | |
1071 | if (x == 0e0f ) return 0x00000000U; |
1363 | if (x == 0e0f ) return 0x00000000U; |
1072 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1364 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1073 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1365 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1074 | if (x != x ) return 0x7fbfffffU; |
1366 | if (x != x ) return 0x7fbfffffU; |
1075 | |
1367 | |
1076 | m = frexpf (x, &e) * 0x1000000U; |
1368 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1077 | |
1369 | |
1078 | r = m & 0x80000000U; |
1370 | r = m & 0x80000000U; |
1079 | |
1371 | |
1080 | if (r) |
1372 | if (r) |
1081 | m = -m; |
1373 | m = -m; |
… | |
… | |
1093 | |
1385 | |
1094 | return r; |
1386 | return r; |
1095 | } |
1387 | } |
1096 | |
1388 | |
1097 | /* converts an ieee single/binary32 to a float */ |
1389 | /* converts an ieee single/binary32 to a float */ |
1098 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1390 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1099 | ecb_function_ float |
1391 | ecb_function_ ecb_const float |
1100 | ecb_binary32_to_float (uint32_t x) |
1392 | ecb_binary32_to_float (uint32_t x) |
1101 | { |
1393 | { |
1102 | float r; |
1394 | float r; |
1103 | |
1395 | |
1104 | #if ECB_STDFP |
1396 | #if ECB_STDFP |
… | |
… | |
1114 | x |= 0x800000U; |
1406 | x |= 0x800000U; |
1115 | else |
1407 | else |
1116 | e = 1; |
1408 | e = 1; |
1117 | |
1409 | |
1118 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1410 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1119 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1411 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1120 | |
1412 | |
1121 | r = neg ? -r : r; |
1413 | r = neg ? -r : r; |
1122 | #endif |
1414 | #endif |
1123 | |
1415 | |
1124 | return r; |
1416 | return r; |
1125 | } |
1417 | } |
1126 | |
1418 | |
1127 | /* convert a double to ieee double/binary64 */ |
1419 | /* convert a double to ieee double/binary64 */ |
1128 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1420 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1129 | ecb_function_ uint64_t |
1421 | ecb_function_ ecb_const uint64_t |
1130 | ecb_double_to_binary64 (double x) |
1422 | ecb_double_to_binary64 (double x) |
1131 | { |
1423 | { |
1132 | uint64_t r; |
1424 | uint64_t r; |
1133 | |
1425 | |
1134 | #if ECB_STDFP |
1426 | #if ECB_STDFP |
… | |
… | |
1163 | |
1455 | |
1164 | return r; |
1456 | return r; |
1165 | } |
1457 | } |
1166 | |
1458 | |
1167 | /* converts an ieee double/binary64 to a double */ |
1459 | /* converts an ieee double/binary64 to a double */ |
1168 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1460 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1169 | ecb_function_ double |
1461 | ecb_function_ ecb_const double |
1170 | ecb_binary64_to_double (uint64_t x) |
1462 | ecb_binary64_to_double (uint64_t x) |
1171 | { |
1463 | { |
1172 | double r; |
1464 | double r; |
1173 | |
1465 | |
1174 | #if ECB_STDFP |
1466 | #if ECB_STDFP |
… | |
… | |
1190 | |
1482 | |
1191 | r = neg ? -r : r; |
1483 | r = neg ? -r : r; |
1192 | #endif |
1484 | #endif |
1193 | |
1485 | |
1194 | return r; |
1486 | return r; |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | /* convert a float to ieee half/binary16 */ |
|
|
1490 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1491 | ecb_function_ ecb_const uint16_t |
|
|
1492 | ecb_float_to_binary16 (float x) |
|
|
1493 | { |
|
|
1494 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | /* convert an ieee half/binary16 to float */ |
|
|
1498 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1499 | ecb_function_ ecb_const float |
|
|
1500 | ecb_binary16_to_float (uint16_t x) |
|
|
1501 | { |
|
|
1502 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1195 | } |
1503 | } |
1196 | |
1504 | |
1197 | #endif |
1505 | #endif |
1198 | |
1506 | |
1199 | #endif |
1507 | #endif |
… | |
… | |
1224 | #define inline_size ecb_inline |
1532 | #define inline_size ecb_inline |
1225 | |
1533 | |
1226 | #if EV_FEATURE_CODE |
1534 | #if EV_FEATURE_CODE |
1227 | # define inline_speed ecb_inline |
1535 | # define inline_speed ecb_inline |
1228 | #else |
1536 | #else |
1229 | # define inline_speed static noinline |
1537 | # define inline_speed noinline static |
1230 | #endif |
1538 | #endif |
1231 | |
1539 | |
1232 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1540 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1233 | |
1541 | |
1234 | #if EV_MINPRI == EV_MAXPRI |
1542 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
1281 | #else |
1589 | #else |
1282 | |
1590 | |
1283 | #include <float.h> |
1591 | #include <float.h> |
1284 | |
1592 | |
1285 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1593 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1594 | noinline |
1286 | static ev_tstamp noinline |
1595 | static ev_tstamp |
1287 | ev_floor (ev_tstamp v) |
1596 | ev_floor (ev_tstamp v) |
1288 | { |
1597 | { |
1289 | /* the choice of shift factor is not terribly important */ |
1598 | /* the choice of shift factor is not terribly important */ |
1290 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1599 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1291 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1600 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1323 | |
1632 | |
1324 | #ifdef __linux |
1633 | #ifdef __linux |
1325 | # include <sys/utsname.h> |
1634 | # include <sys/utsname.h> |
1326 | #endif |
1635 | #endif |
1327 | |
1636 | |
1328 | static unsigned int noinline ecb_cold |
1637 | noinline ecb_cold |
|
|
1638 | static unsigned int |
1329 | ev_linux_version (void) |
1639 | ev_linux_version (void) |
1330 | { |
1640 | { |
1331 | #ifdef __linux |
1641 | #ifdef __linux |
1332 | unsigned int v = 0; |
1642 | unsigned int v = 0; |
1333 | struct utsname buf; |
1643 | struct utsname buf; |
… | |
… | |
1362 | } |
1672 | } |
1363 | |
1673 | |
1364 | /*****************************************************************************/ |
1674 | /*****************************************************************************/ |
1365 | |
1675 | |
1366 | #if EV_AVOID_STDIO |
1676 | #if EV_AVOID_STDIO |
1367 | static void noinline ecb_cold |
1677 | noinline ecb_cold |
|
|
1678 | static void |
1368 | ev_printerr (const char *msg) |
1679 | ev_printerr (const char *msg) |
1369 | { |
1680 | { |
1370 | write (STDERR_FILENO, msg, strlen (msg)); |
1681 | write (STDERR_FILENO, msg, strlen (msg)); |
1371 | } |
1682 | } |
1372 | #endif |
1683 | #endif |
1373 | |
1684 | |
1374 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1685 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1375 | |
1686 | |
1376 | void ecb_cold |
1687 | ecb_cold |
|
|
1688 | void |
1377 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1689 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1378 | { |
1690 | { |
1379 | syserr_cb = cb; |
1691 | syserr_cb = cb; |
1380 | } |
1692 | } |
1381 | |
1693 | |
1382 | static void noinline ecb_cold |
1694 | noinline ecb_cold |
|
|
1695 | static void |
1383 | ev_syserr (const char *msg) |
1696 | ev_syserr (const char *msg) |
1384 | { |
1697 | { |
1385 | if (!msg) |
1698 | if (!msg) |
1386 | msg = "(libev) system error"; |
1699 | msg = "(libev) system error"; |
1387 | |
1700 | |
… | |
… | |
1400 | abort (); |
1713 | abort (); |
1401 | } |
1714 | } |
1402 | } |
1715 | } |
1403 | |
1716 | |
1404 | static void * |
1717 | static void * |
1405 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1718 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1406 | { |
1719 | { |
1407 | /* some systems, notably openbsd and darwin, fail to properly |
1720 | /* some systems, notably openbsd and darwin, fail to properly |
1408 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1721 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1409 | * the single unix specification, so work around them here. |
1722 | * the single unix specification, so work around them here. |
1410 | * recently, also (at least) fedora and debian started breaking it, |
1723 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1416 | |
1729 | |
1417 | free (ptr); |
1730 | free (ptr); |
1418 | return 0; |
1731 | return 0; |
1419 | } |
1732 | } |
1420 | |
1733 | |
1421 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1734 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1422 | |
1735 | |
1423 | void ecb_cold |
1736 | ecb_cold |
|
|
1737 | void |
1424 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1738 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1425 | { |
1739 | { |
1426 | alloc = cb; |
1740 | alloc = cb; |
1427 | } |
1741 | } |
1428 | |
1742 | |
1429 | inline_speed void * |
1743 | inline_speed void * |
… | |
… | |
1546 | |
1860 | |
1547 | /*****************************************************************************/ |
1861 | /*****************************************************************************/ |
1548 | |
1862 | |
1549 | #ifndef EV_HAVE_EV_TIME |
1863 | #ifndef EV_HAVE_EV_TIME |
1550 | ev_tstamp |
1864 | ev_tstamp |
1551 | ev_time (void) EV_THROW |
1865 | ev_time (void) EV_NOEXCEPT |
1552 | { |
1866 | { |
1553 | #if EV_USE_REALTIME |
1867 | #if EV_USE_REALTIME |
1554 | if (expect_true (have_realtime)) |
1868 | if (expect_true (have_realtime)) |
1555 | { |
1869 | { |
1556 | struct timespec ts; |
1870 | struct timespec ts; |
… | |
… | |
1580 | return ev_time (); |
1894 | return ev_time (); |
1581 | } |
1895 | } |
1582 | |
1896 | |
1583 | #if EV_MULTIPLICITY |
1897 | #if EV_MULTIPLICITY |
1584 | ev_tstamp |
1898 | ev_tstamp |
1585 | ev_now (EV_P) EV_THROW |
1899 | ev_now (EV_P) EV_NOEXCEPT |
1586 | { |
1900 | { |
1587 | return ev_rt_now; |
1901 | return ev_rt_now; |
1588 | } |
1902 | } |
1589 | #endif |
1903 | #endif |
1590 | |
1904 | |
1591 | void |
1905 | void |
1592 | ev_sleep (ev_tstamp delay) EV_THROW |
1906 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1593 | { |
1907 | { |
1594 | if (delay > 0.) |
1908 | if (delay > 0.) |
1595 | { |
1909 | { |
1596 | #if EV_USE_NANOSLEEP |
1910 | #if EV_USE_NANOSLEEP |
1597 | struct timespec ts; |
1911 | struct timespec ts; |
1598 | |
1912 | |
1599 | EV_TS_SET (ts, delay); |
1913 | EV_TS_SET (ts, delay); |
1600 | nanosleep (&ts, 0); |
1914 | nanosleep (&ts, 0); |
1601 | #elif defined _WIN32 |
1915 | #elif defined _WIN32 |
|
|
1916 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1917 | /* compared to select (µs) or nanosleep (ns) */ |
1602 | Sleep ((unsigned long)(delay * 1e3)); |
1918 | Sleep ((unsigned long)(delay * 1e3)); |
1603 | #else |
1919 | #else |
1604 | struct timeval tv; |
1920 | struct timeval tv; |
1605 | |
1921 | |
1606 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1922 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1637 | } |
1953 | } |
1638 | |
1954 | |
1639 | return ncur; |
1955 | return ncur; |
1640 | } |
1956 | } |
1641 | |
1957 | |
1642 | static void * noinline ecb_cold |
1958 | noinline ecb_cold |
|
|
1959 | static void * |
1643 | array_realloc (int elem, void *base, int *cur, int cnt) |
1960 | array_realloc (int elem, void *base, int *cur, int cnt) |
1644 | { |
1961 | { |
1645 | *cur = array_nextsize (elem, *cur, cnt); |
1962 | *cur = array_nextsize (elem, *cur, cnt); |
1646 | return ev_realloc (base, elem * *cur); |
1963 | return ev_realloc (base, elem * *cur); |
1647 | } |
1964 | } |
… | |
… | |
1650 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1967 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1651 | |
1968 | |
1652 | #define array_needsize(type,base,cur,cnt,init) \ |
1969 | #define array_needsize(type,base,cur,cnt,init) \ |
1653 | if (expect_false ((cnt) > (cur))) \ |
1970 | if (expect_false ((cnt) > (cur))) \ |
1654 | { \ |
1971 | { \ |
1655 | int ecb_unused ocur_ = (cur); \ |
1972 | ecb_unused int ocur_ = (cur); \ |
1656 | (base) = (type *)array_realloc \ |
1973 | (base) = (type *)array_realloc \ |
1657 | (sizeof (type), (base), &(cur), (cnt)); \ |
1974 | (sizeof (type), (base), &(cur), (cnt)); \ |
1658 | init ((base) + (ocur_), (cur) - ocur_); \ |
1975 | init ((base) + (ocur_), (cur) - ocur_); \ |
1659 | } |
1976 | } |
1660 | |
1977 | |
… | |
… | |
1672 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1989 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1673 | |
1990 | |
1674 | /*****************************************************************************/ |
1991 | /*****************************************************************************/ |
1675 | |
1992 | |
1676 | /* dummy callback for pending events */ |
1993 | /* dummy callback for pending events */ |
1677 | static void noinline |
1994 | noinline |
|
|
1995 | static void |
1678 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1996 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1679 | { |
1997 | { |
1680 | } |
1998 | } |
1681 | |
1999 | |
1682 | void noinline |
2000 | noinline |
|
|
2001 | void |
1683 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2002 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1684 | { |
2003 | { |
1685 | W w_ = (W)w; |
2004 | W w_ = (W)w; |
1686 | int pri = ABSPRI (w_); |
2005 | int pri = ABSPRI (w_); |
1687 | |
2006 | |
1688 | if (expect_false (w_->pending)) |
2007 | if (expect_false (w_->pending)) |
… | |
… | |
1749 | if (expect_true (!anfd->reify)) |
2068 | if (expect_true (!anfd->reify)) |
1750 | fd_event_nocheck (EV_A_ fd, revents); |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
1751 | } |
2070 | } |
1752 | |
2071 | |
1753 | void |
2072 | void |
1754 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2073 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1755 | { |
2074 | { |
1756 | if (fd >= 0 && fd < anfdmax) |
2075 | if (fd >= 0 && fd < anfdmax) |
1757 | fd_event_nocheck (EV_A_ fd, revents); |
2076 | fd_event_nocheck (EV_A_ fd, revents); |
1758 | } |
2077 | } |
1759 | |
2078 | |
… | |
… | |
1817 | |
2136 | |
1818 | fdchangecnt = 0; |
2137 | fdchangecnt = 0; |
1819 | } |
2138 | } |
1820 | |
2139 | |
1821 | /* something about the given fd changed */ |
2140 | /* something about the given fd changed */ |
1822 | inline_size void |
2141 | inline_size |
|
|
2142 | void |
1823 | fd_change (EV_P_ int fd, int flags) |
2143 | fd_change (EV_P_ int fd, int flags) |
1824 | { |
2144 | { |
1825 | unsigned char reify = anfds [fd].reify; |
2145 | unsigned char reify = anfds [fd].reify; |
1826 | anfds [fd].reify |= flags; |
2146 | anfds [fd].reify |= flags; |
1827 | |
2147 | |
… | |
… | |
1832 | fdchanges [fdchangecnt - 1] = fd; |
2152 | fdchanges [fdchangecnt - 1] = fd; |
1833 | } |
2153 | } |
1834 | } |
2154 | } |
1835 | |
2155 | |
1836 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2156 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1837 | inline_speed void ecb_cold |
2157 | inline_speed ecb_cold void |
1838 | fd_kill (EV_P_ int fd) |
2158 | fd_kill (EV_P_ int fd) |
1839 | { |
2159 | { |
1840 | ev_io *w; |
2160 | ev_io *w; |
1841 | |
2161 | |
1842 | while ((w = (ev_io *)anfds [fd].head)) |
2162 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1845 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2165 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1846 | } |
2166 | } |
1847 | } |
2167 | } |
1848 | |
2168 | |
1849 | /* check whether the given fd is actually valid, for error recovery */ |
2169 | /* check whether the given fd is actually valid, for error recovery */ |
1850 | inline_size int ecb_cold |
2170 | inline_size ecb_cold int |
1851 | fd_valid (int fd) |
2171 | fd_valid (int fd) |
1852 | { |
2172 | { |
1853 | #ifdef _WIN32 |
2173 | #ifdef _WIN32 |
1854 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2174 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1855 | #else |
2175 | #else |
1856 | return fcntl (fd, F_GETFD) != -1; |
2176 | return fcntl (fd, F_GETFD) != -1; |
1857 | #endif |
2177 | #endif |
1858 | } |
2178 | } |
1859 | |
2179 | |
1860 | /* called on EBADF to verify fds */ |
2180 | /* called on EBADF to verify fds */ |
1861 | static void noinline ecb_cold |
2181 | noinline ecb_cold |
|
|
2182 | static void |
1862 | fd_ebadf (EV_P) |
2183 | fd_ebadf (EV_P) |
1863 | { |
2184 | { |
1864 | int fd; |
2185 | int fd; |
1865 | |
2186 | |
1866 | for (fd = 0; fd < anfdmax; ++fd) |
2187 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1868 | if (!fd_valid (fd) && errno == EBADF) |
2189 | if (!fd_valid (fd) && errno == EBADF) |
1869 | fd_kill (EV_A_ fd); |
2190 | fd_kill (EV_A_ fd); |
1870 | } |
2191 | } |
1871 | |
2192 | |
1872 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2193 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1873 | static void noinline ecb_cold |
2194 | noinline ecb_cold |
|
|
2195 | static void |
1874 | fd_enomem (EV_P) |
2196 | fd_enomem (EV_P) |
1875 | { |
2197 | { |
1876 | int fd; |
2198 | int fd; |
1877 | |
2199 | |
1878 | for (fd = anfdmax; fd--; ) |
2200 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1882 | break; |
2204 | break; |
1883 | } |
2205 | } |
1884 | } |
2206 | } |
1885 | |
2207 | |
1886 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2208 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1887 | static void noinline |
2209 | noinline |
|
|
2210 | static void |
1888 | fd_rearm_all (EV_P) |
2211 | fd_rearm_all (EV_P) |
1889 | { |
2212 | { |
1890 | int fd; |
2213 | int fd; |
1891 | |
2214 | |
1892 | for (fd = 0; fd < anfdmax; ++fd) |
2215 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2073 | |
2396 | |
2074 | /*****************************************************************************/ |
2397 | /*****************************************************************************/ |
2075 | |
2398 | |
2076 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2399 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2077 | |
2400 | |
2078 | static void noinline ecb_cold |
2401 | noinline ecb_cold |
|
|
2402 | static void |
2079 | evpipe_init (EV_P) |
2403 | evpipe_init (EV_P) |
2080 | { |
2404 | { |
2081 | if (!ev_is_active (&pipe_w)) |
2405 | if (!ev_is_active (&pipe_w)) |
2082 | { |
2406 | { |
2083 | int fds [2]; |
2407 | int fds [2]; |
… | |
… | |
2094 | while (pipe (fds)) |
2418 | while (pipe (fds)) |
2095 | ev_syserr ("(libev) error creating signal/async pipe"); |
2419 | ev_syserr ("(libev) error creating signal/async pipe"); |
2096 | |
2420 | |
2097 | fd_intern (fds [0]); |
2421 | fd_intern (fds [0]); |
2098 | } |
2422 | } |
2099 | |
|
|
2100 | fd_intern (fds [1]); |
|
|
2101 | |
2423 | |
2102 | evpipe [0] = fds [0]; |
2424 | evpipe [0] = fds [0]; |
2103 | |
2425 | |
2104 | if (evpipe [1] < 0) |
2426 | if (evpipe [1] < 0) |
2105 | evpipe [1] = fds [1]; /* first call, set write fd */ |
2427 | evpipe [1] = fds [1]; /* first call, set write fd */ |
… | |
… | |
2112 | |
2434 | |
2113 | dup2 (fds [1], evpipe [1]); |
2435 | dup2 (fds [1], evpipe [1]); |
2114 | close (fds [1]); |
2436 | close (fds [1]); |
2115 | } |
2437 | } |
2116 | |
2438 | |
|
|
2439 | fd_intern (evpipe [1]); |
|
|
2440 | |
2117 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
2441 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
2118 | ev_io_start (EV_A_ &pipe_w); |
2442 | ev_io_start (EV_A_ &pipe_w); |
2119 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2443 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
2120 | } |
2444 | } |
2121 | } |
2445 | } |
… | |
… | |
2154 | #endif |
2478 | #endif |
2155 | { |
2479 | { |
2156 | #ifdef _WIN32 |
2480 | #ifdef _WIN32 |
2157 | WSABUF buf; |
2481 | WSABUF buf; |
2158 | DWORD sent; |
2482 | DWORD sent; |
2159 | buf.buf = &buf; |
2483 | buf.buf = (char *)&buf; |
2160 | buf.len = 1; |
2484 | buf.len = 1; |
2161 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2485 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2162 | #else |
2486 | #else |
2163 | write (evpipe [1], &(evpipe [1]), 1); |
2487 | write (evpipe [1], &(evpipe [1]), 1); |
2164 | #endif |
2488 | #endif |
… | |
… | |
2236 | } |
2560 | } |
2237 | |
2561 | |
2238 | /*****************************************************************************/ |
2562 | /*****************************************************************************/ |
2239 | |
2563 | |
2240 | void |
2564 | void |
2241 | ev_feed_signal (int signum) EV_THROW |
2565 | ev_feed_signal (int signum) EV_NOEXCEPT |
2242 | { |
2566 | { |
2243 | #if EV_MULTIPLICITY |
2567 | #if EV_MULTIPLICITY |
2244 | EV_P; |
2568 | EV_P; |
2245 | ECB_MEMORY_FENCE_ACQUIRE; |
2569 | ECB_MEMORY_FENCE_ACQUIRE; |
2246 | EV_A = signals [signum - 1].loop; |
2570 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2261 | #endif |
2585 | #endif |
2262 | |
2586 | |
2263 | ev_feed_signal (signum); |
2587 | ev_feed_signal (signum); |
2264 | } |
2588 | } |
2265 | |
2589 | |
2266 | void noinline |
2590 | noinline |
|
|
2591 | void |
2267 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2592 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2268 | { |
2593 | { |
2269 | WL w; |
2594 | WL w; |
2270 | |
2595 | |
2271 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2596 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2272 | return; |
2597 | return; |
… | |
… | |
2388 | #endif |
2713 | #endif |
2389 | #if EV_USE_SELECT |
2714 | #if EV_USE_SELECT |
2390 | # include "ev_select.c" |
2715 | # include "ev_select.c" |
2391 | #endif |
2716 | #endif |
2392 | |
2717 | |
2393 | int ecb_cold |
2718 | ecb_cold int |
2394 | ev_version_major (void) EV_THROW |
2719 | ev_version_major (void) EV_NOEXCEPT |
2395 | { |
2720 | { |
2396 | return EV_VERSION_MAJOR; |
2721 | return EV_VERSION_MAJOR; |
2397 | } |
2722 | } |
2398 | |
2723 | |
2399 | int ecb_cold |
2724 | ecb_cold int |
2400 | ev_version_minor (void) EV_THROW |
2725 | ev_version_minor (void) EV_NOEXCEPT |
2401 | { |
2726 | { |
2402 | return EV_VERSION_MINOR; |
2727 | return EV_VERSION_MINOR; |
2403 | } |
2728 | } |
2404 | |
2729 | |
2405 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2730 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2406 | int inline_size ecb_cold |
2731 | inline_size ecb_cold int |
2407 | enable_secure (void) |
2732 | enable_secure (void) |
2408 | { |
2733 | { |
2409 | #ifdef _WIN32 |
2734 | #ifdef _WIN32 |
2410 | return 0; |
2735 | return 0; |
2411 | #else |
2736 | #else |
2412 | return getuid () != geteuid () |
2737 | return getuid () != geteuid () |
2413 | || getgid () != getegid (); |
2738 | || getgid () != getegid (); |
2414 | #endif |
2739 | #endif |
2415 | } |
2740 | } |
2416 | |
2741 | |
2417 | unsigned int ecb_cold |
2742 | ecb_cold |
|
|
2743 | unsigned int |
2418 | ev_supported_backends (void) EV_THROW |
2744 | ev_supported_backends (void) EV_NOEXCEPT |
2419 | { |
2745 | { |
2420 | unsigned int flags = 0; |
2746 | unsigned int flags = 0; |
2421 | |
2747 | |
2422 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2748 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2423 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2749 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2426 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2752 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2427 | |
2753 | |
2428 | return flags; |
2754 | return flags; |
2429 | } |
2755 | } |
2430 | |
2756 | |
2431 | unsigned int ecb_cold |
2757 | ecb_cold |
|
|
2758 | unsigned int |
2432 | ev_recommended_backends (void) EV_THROW |
2759 | ev_recommended_backends (void) EV_NOEXCEPT |
2433 | { |
2760 | { |
2434 | unsigned int flags = ev_supported_backends (); |
2761 | unsigned int flags = ev_supported_backends (); |
2435 | |
2762 | |
2436 | #ifndef __NetBSD__ |
2763 | #ifndef __NetBSD__ |
2437 | /* kqueue is borked on everything but netbsd apparently */ |
2764 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2448 | #endif |
2775 | #endif |
2449 | |
2776 | |
2450 | return flags; |
2777 | return flags; |
2451 | } |
2778 | } |
2452 | |
2779 | |
2453 | unsigned int ecb_cold |
2780 | ecb_cold |
|
|
2781 | unsigned int |
2454 | ev_embeddable_backends (void) EV_THROW |
2782 | ev_embeddable_backends (void) EV_NOEXCEPT |
2455 | { |
2783 | { |
2456 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2784 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2457 | |
2785 | |
2458 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2786 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2459 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2787 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2461 | |
2789 | |
2462 | return flags; |
2790 | return flags; |
2463 | } |
2791 | } |
2464 | |
2792 | |
2465 | unsigned int |
2793 | unsigned int |
2466 | ev_backend (EV_P) EV_THROW |
2794 | ev_backend (EV_P) EV_NOEXCEPT |
2467 | { |
2795 | { |
2468 | return backend; |
2796 | return backend; |
2469 | } |
2797 | } |
2470 | |
2798 | |
2471 | #if EV_FEATURE_API |
2799 | #if EV_FEATURE_API |
2472 | unsigned int |
2800 | unsigned int |
2473 | ev_iteration (EV_P) EV_THROW |
2801 | ev_iteration (EV_P) EV_NOEXCEPT |
2474 | { |
2802 | { |
2475 | return loop_count; |
2803 | return loop_count; |
2476 | } |
2804 | } |
2477 | |
2805 | |
2478 | unsigned int |
2806 | unsigned int |
2479 | ev_depth (EV_P) EV_THROW |
2807 | ev_depth (EV_P) EV_NOEXCEPT |
2480 | { |
2808 | { |
2481 | return loop_depth; |
2809 | return loop_depth; |
2482 | } |
2810 | } |
2483 | |
2811 | |
2484 | void |
2812 | void |
2485 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2813 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2486 | { |
2814 | { |
2487 | io_blocktime = interval; |
2815 | io_blocktime = interval; |
2488 | } |
2816 | } |
2489 | |
2817 | |
2490 | void |
2818 | void |
2491 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2819 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2492 | { |
2820 | { |
2493 | timeout_blocktime = interval; |
2821 | timeout_blocktime = interval; |
2494 | } |
2822 | } |
2495 | |
2823 | |
2496 | void |
2824 | void |
2497 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2825 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2498 | { |
2826 | { |
2499 | userdata = data; |
2827 | userdata = data; |
2500 | } |
2828 | } |
2501 | |
2829 | |
2502 | void * |
2830 | void * |
2503 | ev_userdata (EV_P) EV_THROW |
2831 | ev_userdata (EV_P) EV_NOEXCEPT |
2504 | { |
2832 | { |
2505 | return userdata; |
2833 | return userdata; |
2506 | } |
2834 | } |
2507 | |
2835 | |
2508 | void |
2836 | void |
2509 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
2837 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2510 | { |
2838 | { |
2511 | invoke_cb = invoke_pending_cb; |
2839 | invoke_cb = invoke_pending_cb; |
2512 | } |
2840 | } |
2513 | |
2841 | |
2514 | void |
2842 | void |
2515 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2843 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2516 | { |
2844 | { |
2517 | release_cb = release; |
2845 | release_cb = release; |
2518 | acquire_cb = acquire; |
2846 | acquire_cb = acquire; |
2519 | } |
2847 | } |
2520 | #endif |
2848 | #endif |
2521 | |
2849 | |
2522 | /* initialise a loop structure, must be zero-initialised */ |
2850 | /* initialise a loop structure, must be zero-initialised */ |
2523 | static void noinline ecb_cold |
2851 | noinline ecb_cold |
|
|
2852 | static void |
2524 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2853 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2525 | { |
2854 | { |
2526 | if (!backend) |
2855 | if (!backend) |
2527 | { |
2856 | { |
2528 | origflags = flags; |
2857 | origflags = flags; |
2529 | |
2858 | |
… | |
… | |
2615 | #endif |
2944 | #endif |
2616 | } |
2945 | } |
2617 | } |
2946 | } |
2618 | |
2947 | |
2619 | /* free up a loop structure */ |
2948 | /* free up a loop structure */ |
2620 | void ecb_cold |
2949 | ecb_cold |
|
|
2950 | void |
2621 | ev_loop_destroy (EV_P) |
2951 | ev_loop_destroy (EV_P) |
2622 | { |
2952 | { |
2623 | int i; |
2953 | int i; |
2624 | |
2954 | |
2625 | #if EV_MULTIPLICITY |
2955 | #if EV_MULTIPLICITY |
… | |
… | |
2746 | #if EV_USE_INOTIFY |
3076 | #if EV_USE_INOTIFY |
2747 | infy_fork (EV_A); |
3077 | infy_fork (EV_A); |
2748 | #endif |
3078 | #endif |
2749 | |
3079 | |
2750 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3080 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2751 | if (ev_is_active (&pipe_w)) |
3081 | if (ev_is_active (&pipe_w) && postfork != 2) |
2752 | { |
3082 | { |
2753 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3083 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2754 | |
3084 | |
2755 | ev_ref (EV_A); |
3085 | ev_ref (EV_A); |
2756 | ev_io_stop (EV_A_ &pipe_w); |
3086 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2767 | postfork = 0; |
3097 | postfork = 0; |
2768 | } |
3098 | } |
2769 | |
3099 | |
2770 | #if EV_MULTIPLICITY |
3100 | #if EV_MULTIPLICITY |
2771 | |
3101 | |
|
|
3102 | ecb_cold |
2772 | struct ev_loop * ecb_cold |
3103 | struct ev_loop * |
2773 | ev_loop_new (unsigned int flags) EV_THROW |
3104 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2774 | { |
3105 | { |
2775 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3106 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2776 | |
3107 | |
2777 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3108 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2778 | loop_init (EV_A_ flags); |
3109 | loop_init (EV_A_ flags); |
… | |
… | |
2785 | } |
3116 | } |
2786 | |
3117 | |
2787 | #endif /* multiplicity */ |
3118 | #endif /* multiplicity */ |
2788 | |
3119 | |
2789 | #if EV_VERIFY |
3120 | #if EV_VERIFY |
2790 | static void noinline ecb_cold |
3121 | noinline ecb_cold |
|
|
3122 | static void |
2791 | verify_watcher (EV_P_ W w) |
3123 | verify_watcher (EV_P_ W w) |
2792 | { |
3124 | { |
2793 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3125 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2794 | |
3126 | |
2795 | if (w->pending) |
3127 | if (w->pending) |
2796 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3128 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2797 | } |
3129 | } |
2798 | |
3130 | |
2799 | static void noinline ecb_cold |
3131 | noinline ecb_cold |
|
|
3132 | static void |
2800 | verify_heap (EV_P_ ANHE *heap, int N) |
3133 | verify_heap (EV_P_ ANHE *heap, int N) |
2801 | { |
3134 | { |
2802 | int i; |
3135 | int i; |
2803 | |
3136 | |
2804 | for (i = HEAP0; i < N + HEAP0; ++i) |
3137 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2809 | |
3142 | |
2810 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3143 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2811 | } |
3144 | } |
2812 | } |
3145 | } |
2813 | |
3146 | |
2814 | static void noinline ecb_cold |
3147 | noinline ecb_cold |
|
|
3148 | static void |
2815 | array_verify (EV_P_ W *ws, int cnt) |
3149 | array_verify (EV_P_ W *ws, int cnt) |
2816 | { |
3150 | { |
2817 | while (cnt--) |
3151 | while (cnt--) |
2818 | { |
3152 | { |
2819 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3153 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2822 | } |
3156 | } |
2823 | #endif |
3157 | #endif |
2824 | |
3158 | |
2825 | #if EV_FEATURE_API |
3159 | #if EV_FEATURE_API |
2826 | void ecb_cold |
3160 | void ecb_cold |
2827 | ev_verify (EV_P) EV_THROW |
3161 | ev_verify (EV_P) EV_NOEXCEPT |
2828 | { |
3162 | { |
2829 | #if EV_VERIFY |
3163 | #if EV_VERIFY |
2830 | int i; |
3164 | int i; |
2831 | WL w, w2; |
3165 | WL w, w2; |
2832 | |
3166 | |
… | |
… | |
2908 | #endif |
3242 | #endif |
2909 | } |
3243 | } |
2910 | #endif |
3244 | #endif |
2911 | |
3245 | |
2912 | #if EV_MULTIPLICITY |
3246 | #if EV_MULTIPLICITY |
|
|
3247 | ecb_cold |
2913 | struct ev_loop * ecb_cold |
3248 | struct ev_loop * |
2914 | #else |
3249 | #else |
2915 | int |
3250 | int |
2916 | #endif |
3251 | #endif |
2917 | ev_default_loop (unsigned int flags) EV_THROW |
3252 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2918 | { |
3253 | { |
2919 | if (!ev_default_loop_ptr) |
3254 | if (!ev_default_loop_ptr) |
2920 | { |
3255 | { |
2921 | #if EV_MULTIPLICITY |
3256 | #if EV_MULTIPLICITY |
2922 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3257 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2941 | |
3276 | |
2942 | return ev_default_loop_ptr; |
3277 | return ev_default_loop_ptr; |
2943 | } |
3278 | } |
2944 | |
3279 | |
2945 | void |
3280 | void |
2946 | ev_loop_fork (EV_P) EV_THROW |
3281 | ev_loop_fork (EV_P) EV_NOEXCEPT |
2947 | { |
3282 | { |
2948 | postfork = 1; |
3283 | postfork = 1; |
2949 | } |
3284 | } |
2950 | |
3285 | |
2951 | /*****************************************************************************/ |
3286 | /*****************************************************************************/ |
… | |
… | |
2955 | { |
3290 | { |
2956 | EV_CB_INVOKE ((W)w, revents); |
3291 | EV_CB_INVOKE ((W)w, revents); |
2957 | } |
3292 | } |
2958 | |
3293 | |
2959 | unsigned int |
3294 | unsigned int |
2960 | ev_pending_count (EV_P) EV_THROW |
3295 | ev_pending_count (EV_P) EV_NOEXCEPT |
2961 | { |
3296 | { |
2962 | int pri; |
3297 | int pri; |
2963 | unsigned int count = 0; |
3298 | unsigned int count = 0; |
2964 | |
3299 | |
2965 | for (pri = NUMPRI; pri--; ) |
3300 | for (pri = NUMPRI; pri--; ) |
2966 | count += pendingcnt [pri]; |
3301 | count += pendingcnt [pri]; |
2967 | |
3302 | |
2968 | return count; |
3303 | return count; |
2969 | } |
3304 | } |
2970 | |
3305 | |
2971 | void noinline |
3306 | noinline |
|
|
3307 | void |
2972 | ev_invoke_pending (EV_P) |
3308 | ev_invoke_pending (EV_P) |
2973 | { |
3309 | { |
2974 | pendingpri = NUMPRI; |
3310 | pendingpri = NUMPRI; |
2975 | |
3311 | |
2976 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3312 | do |
2977 | { |
3313 | { |
2978 | --pendingpri; |
3314 | --pendingpri; |
2979 | |
3315 | |
|
|
3316 | /* pendingpri possibly gets modified in the inner loop */ |
2980 | while (pendingcnt [pendingpri]) |
3317 | while (pendingcnt [pendingpri]) |
2981 | { |
3318 | { |
2982 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3319 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2983 | |
3320 | |
2984 | p->w->pending = 0; |
3321 | p->w->pending = 0; |
2985 | EV_CB_INVOKE (p->w, p->events); |
3322 | EV_CB_INVOKE (p->w, p->events); |
2986 | EV_FREQUENT_CHECK; |
3323 | EV_FREQUENT_CHECK; |
2987 | } |
3324 | } |
2988 | } |
3325 | } |
|
|
3326 | while (pendingpri); |
2989 | } |
3327 | } |
2990 | |
3328 | |
2991 | #if EV_IDLE_ENABLE |
3329 | #if EV_IDLE_ENABLE |
2992 | /* make idle watchers pending. this handles the "call-idle */ |
3330 | /* make idle watchers pending. this handles the "call-idle */ |
2993 | /* only when higher priorities are idle" logic */ |
3331 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3051 | } |
3389 | } |
3052 | } |
3390 | } |
3053 | |
3391 | |
3054 | #if EV_PERIODIC_ENABLE |
3392 | #if EV_PERIODIC_ENABLE |
3055 | |
3393 | |
3056 | static void noinline |
3394 | noinline |
|
|
3395 | static void |
3057 | periodic_recalc (EV_P_ ev_periodic *w) |
3396 | periodic_recalc (EV_P_ ev_periodic *w) |
3058 | { |
3397 | { |
3059 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3398 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3060 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3399 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3061 | |
3400 | |
… | |
… | |
3119 | } |
3458 | } |
3120 | } |
3459 | } |
3121 | |
3460 | |
3122 | /* simply recalculate all periodics */ |
3461 | /* simply recalculate all periodics */ |
3123 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3462 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3124 | static void noinline ecb_cold |
3463 | noinline ecb_cold |
|
|
3464 | static void |
3125 | periodics_reschedule (EV_P) |
3465 | periodics_reschedule (EV_P) |
3126 | { |
3466 | { |
3127 | int i; |
3467 | int i; |
3128 | |
3468 | |
3129 | /* adjust periodics after time jump */ |
3469 | /* adjust periodics after time jump */ |
… | |
… | |
3142 | reheap (periodics, periodiccnt); |
3482 | reheap (periodics, periodiccnt); |
3143 | } |
3483 | } |
3144 | #endif |
3484 | #endif |
3145 | |
3485 | |
3146 | /* adjust all timers by a given offset */ |
3486 | /* adjust all timers by a given offset */ |
3147 | static void noinline ecb_cold |
3487 | noinline ecb_cold |
|
|
3488 | static void |
3148 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3489 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3149 | { |
3490 | { |
3150 | int i; |
3491 | int i; |
3151 | |
3492 | |
3152 | for (i = 0; i < timercnt; ++i) |
3493 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3399 | |
3740 | |
3400 | return activecnt; |
3741 | return activecnt; |
3401 | } |
3742 | } |
3402 | |
3743 | |
3403 | void |
3744 | void |
3404 | ev_break (EV_P_ int how) EV_THROW |
3745 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3405 | { |
3746 | { |
3406 | loop_done = how; |
3747 | loop_done = how; |
3407 | } |
3748 | } |
3408 | |
3749 | |
3409 | void |
3750 | void |
3410 | ev_ref (EV_P) EV_THROW |
3751 | ev_ref (EV_P) EV_NOEXCEPT |
3411 | { |
3752 | { |
3412 | ++activecnt; |
3753 | ++activecnt; |
3413 | } |
3754 | } |
3414 | |
3755 | |
3415 | void |
3756 | void |
3416 | ev_unref (EV_P) EV_THROW |
3757 | ev_unref (EV_P) EV_NOEXCEPT |
3417 | { |
3758 | { |
3418 | --activecnt; |
3759 | --activecnt; |
3419 | } |
3760 | } |
3420 | |
3761 | |
3421 | void |
3762 | void |
3422 | ev_now_update (EV_P) EV_THROW |
3763 | ev_now_update (EV_P) EV_NOEXCEPT |
3423 | { |
3764 | { |
3424 | time_update (EV_A_ 1e100); |
3765 | time_update (EV_A_ 1e100); |
3425 | } |
3766 | } |
3426 | |
3767 | |
3427 | void |
3768 | void |
3428 | ev_suspend (EV_P) EV_THROW |
3769 | ev_suspend (EV_P) EV_NOEXCEPT |
3429 | { |
3770 | { |
3430 | ev_now_update (EV_A); |
3771 | ev_now_update (EV_A); |
3431 | } |
3772 | } |
3432 | |
3773 | |
3433 | void |
3774 | void |
3434 | ev_resume (EV_P) EV_THROW |
3775 | ev_resume (EV_P) EV_NOEXCEPT |
3435 | { |
3776 | { |
3436 | ev_tstamp mn_prev = mn_now; |
3777 | ev_tstamp mn_prev = mn_now; |
3437 | |
3778 | |
3438 | ev_now_update (EV_A); |
3779 | ev_now_update (EV_A); |
3439 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3780 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3478 | w->pending = 0; |
3819 | w->pending = 0; |
3479 | } |
3820 | } |
3480 | } |
3821 | } |
3481 | |
3822 | |
3482 | int |
3823 | int |
3483 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3824 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3484 | { |
3825 | { |
3485 | W w_ = (W)w; |
3826 | W w_ = (W)w; |
3486 | int pending = w_->pending; |
3827 | int pending = w_->pending; |
3487 | |
3828 | |
3488 | if (expect_true (pending)) |
3829 | if (expect_true (pending)) |
… | |
… | |
3520 | w->active = 0; |
3861 | w->active = 0; |
3521 | } |
3862 | } |
3522 | |
3863 | |
3523 | /*****************************************************************************/ |
3864 | /*****************************************************************************/ |
3524 | |
3865 | |
3525 | void noinline |
3866 | noinline |
|
|
3867 | void |
3526 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3868 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3527 | { |
3869 | { |
3528 | int fd = w->fd; |
3870 | int fd = w->fd; |
3529 | |
3871 | |
3530 | if (expect_false (ev_is_active (w))) |
3872 | if (expect_false (ev_is_active (w))) |
3531 | return; |
3873 | return; |
… | |
… | |
3546 | w->events &= ~EV__IOFDSET; |
3888 | w->events &= ~EV__IOFDSET; |
3547 | |
3889 | |
3548 | EV_FREQUENT_CHECK; |
3890 | EV_FREQUENT_CHECK; |
3549 | } |
3891 | } |
3550 | |
3892 | |
3551 | void noinline |
3893 | noinline |
|
|
3894 | void |
3552 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3895 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3553 | { |
3896 | { |
3554 | clear_pending (EV_A_ (W)w); |
3897 | clear_pending (EV_A_ (W)w); |
3555 | if (expect_false (!ev_is_active (w))) |
3898 | if (expect_false (!ev_is_active (w))) |
3556 | return; |
3899 | return; |
3557 | |
3900 | |
… | |
… | |
3565 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3908 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3566 | |
3909 | |
3567 | EV_FREQUENT_CHECK; |
3910 | EV_FREQUENT_CHECK; |
3568 | } |
3911 | } |
3569 | |
3912 | |
3570 | void noinline |
3913 | noinline |
|
|
3914 | void |
3571 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3915 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3572 | { |
3916 | { |
3573 | if (expect_false (ev_is_active (w))) |
3917 | if (expect_false (ev_is_active (w))) |
3574 | return; |
3918 | return; |
3575 | |
3919 | |
3576 | ev_at (w) += mn_now; |
3920 | ev_at (w) += mn_now; |
… | |
… | |
3589 | EV_FREQUENT_CHECK; |
3933 | EV_FREQUENT_CHECK; |
3590 | |
3934 | |
3591 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3935 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3592 | } |
3936 | } |
3593 | |
3937 | |
3594 | void noinline |
3938 | noinline |
|
|
3939 | void |
3595 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3940 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3596 | { |
3941 | { |
3597 | clear_pending (EV_A_ (W)w); |
3942 | clear_pending (EV_A_ (W)w); |
3598 | if (expect_false (!ev_is_active (w))) |
3943 | if (expect_false (!ev_is_active (w))) |
3599 | return; |
3944 | return; |
3600 | |
3945 | |
… | |
… | |
3619 | ev_stop (EV_A_ (W)w); |
3964 | ev_stop (EV_A_ (W)w); |
3620 | |
3965 | |
3621 | EV_FREQUENT_CHECK; |
3966 | EV_FREQUENT_CHECK; |
3622 | } |
3967 | } |
3623 | |
3968 | |
3624 | void noinline |
3969 | noinline |
|
|
3970 | void |
3625 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3971 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3626 | { |
3972 | { |
3627 | EV_FREQUENT_CHECK; |
3973 | EV_FREQUENT_CHECK; |
3628 | |
3974 | |
3629 | clear_pending (EV_A_ (W)w); |
3975 | clear_pending (EV_A_ (W)w); |
3630 | |
3976 | |
… | |
… | |
3647 | |
3993 | |
3648 | EV_FREQUENT_CHECK; |
3994 | EV_FREQUENT_CHECK; |
3649 | } |
3995 | } |
3650 | |
3996 | |
3651 | ev_tstamp |
3997 | ev_tstamp |
3652 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3998 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3653 | { |
3999 | { |
3654 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4000 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3655 | } |
4001 | } |
3656 | |
4002 | |
3657 | #if EV_PERIODIC_ENABLE |
4003 | #if EV_PERIODIC_ENABLE |
3658 | void noinline |
4004 | noinline |
|
|
4005 | void |
3659 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4006 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3660 | { |
4007 | { |
3661 | if (expect_false (ev_is_active (w))) |
4008 | if (expect_false (ev_is_active (w))) |
3662 | return; |
4009 | return; |
3663 | |
4010 | |
3664 | if (w->reschedule_cb) |
4011 | if (w->reschedule_cb) |
… | |
… | |
3683 | EV_FREQUENT_CHECK; |
4030 | EV_FREQUENT_CHECK; |
3684 | |
4031 | |
3685 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4032 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3686 | } |
4033 | } |
3687 | |
4034 | |
3688 | void noinline |
4035 | noinline |
|
|
4036 | void |
3689 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4037 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3690 | { |
4038 | { |
3691 | clear_pending (EV_A_ (W)w); |
4039 | clear_pending (EV_A_ (W)w); |
3692 | if (expect_false (!ev_is_active (w))) |
4040 | if (expect_false (!ev_is_active (w))) |
3693 | return; |
4041 | return; |
3694 | |
4042 | |
… | |
… | |
3711 | ev_stop (EV_A_ (W)w); |
4059 | ev_stop (EV_A_ (W)w); |
3712 | |
4060 | |
3713 | EV_FREQUENT_CHECK; |
4061 | EV_FREQUENT_CHECK; |
3714 | } |
4062 | } |
3715 | |
4063 | |
3716 | void noinline |
4064 | noinline |
|
|
4065 | void |
3717 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4066 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3718 | { |
4067 | { |
3719 | /* TODO: use adjustheap and recalculation */ |
4068 | /* TODO: use adjustheap and recalculation */ |
3720 | ev_periodic_stop (EV_A_ w); |
4069 | ev_periodic_stop (EV_A_ w); |
3721 | ev_periodic_start (EV_A_ w); |
4070 | ev_periodic_start (EV_A_ w); |
3722 | } |
4071 | } |
… | |
… | |
3726 | # define SA_RESTART 0 |
4075 | # define SA_RESTART 0 |
3727 | #endif |
4076 | #endif |
3728 | |
4077 | |
3729 | #if EV_SIGNAL_ENABLE |
4078 | #if EV_SIGNAL_ENABLE |
3730 | |
4079 | |
3731 | void noinline |
4080 | noinline |
|
|
4081 | void |
3732 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4082 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3733 | { |
4083 | { |
3734 | if (expect_false (ev_is_active (w))) |
4084 | if (expect_false (ev_is_active (w))) |
3735 | return; |
4085 | return; |
3736 | |
4086 | |
3737 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4087 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3808 | } |
4158 | } |
3809 | |
4159 | |
3810 | EV_FREQUENT_CHECK; |
4160 | EV_FREQUENT_CHECK; |
3811 | } |
4161 | } |
3812 | |
4162 | |
3813 | void noinline |
4163 | noinline |
|
|
4164 | void |
3814 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4165 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3815 | { |
4166 | { |
3816 | clear_pending (EV_A_ (W)w); |
4167 | clear_pending (EV_A_ (W)w); |
3817 | if (expect_false (!ev_is_active (w))) |
4168 | if (expect_false (!ev_is_active (w))) |
3818 | return; |
4169 | return; |
3819 | |
4170 | |
… | |
… | |
3850 | #endif |
4201 | #endif |
3851 | |
4202 | |
3852 | #if EV_CHILD_ENABLE |
4203 | #if EV_CHILD_ENABLE |
3853 | |
4204 | |
3854 | void |
4205 | void |
3855 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4206 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3856 | { |
4207 | { |
3857 | #if EV_MULTIPLICITY |
4208 | #if EV_MULTIPLICITY |
3858 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4209 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3859 | #endif |
4210 | #endif |
3860 | if (expect_false (ev_is_active (w))) |
4211 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3867 | |
4218 | |
3868 | EV_FREQUENT_CHECK; |
4219 | EV_FREQUENT_CHECK; |
3869 | } |
4220 | } |
3870 | |
4221 | |
3871 | void |
4222 | void |
3872 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4223 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3873 | { |
4224 | { |
3874 | clear_pending (EV_A_ (W)w); |
4225 | clear_pending (EV_A_ (W)w); |
3875 | if (expect_false (!ev_is_active (w))) |
4226 | if (expect_false (!ev_is_active (w))) |
3876 | return; |
4227 | return; |
3877 | |
4228 | |
… | |
… | |
3894 | |
4245 | |
3895 | #define DEF_STAT_INTERVAL 5.0074891 |
4246 | #define DEF_STAT_INTERVAL 5.0074891 |
3896 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4247 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3897 | #define MIN_STAT_INTERVAL 0.1074891 |
4248 | #define MIN_STAT_INTERVAL 0.1074891 |
3898 | |
4249 | |
3899 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4250 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3900 | |
4251 | |
3901 | #if EV_USE_INOTIFY |
4252 | #if EV_USE_INOTIFY |
3902 | |
4253 | |
3903 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4254 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3904 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4255 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3905 | |
4256 | |
3906 | static void noinline |
4257 | noinline |
|
|
4258 | static void |
3907 | infy_add (EV_P_ ev_stat *w) |
4259 | infy_add (EV_P_ ev_stat *w) |
3908 | { |
4260 | { |
3909 | w->wd = inotify_add_watch (fs_fd, w->path, |
4261 | w->wd = inotify_add_watch (fs_fd, w->path, |
3910 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4262 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3911 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4263 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
3975 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4327 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3976 | ev_timer_again (EV_A_ &w->timer); |
4328 | ev_timer_again (EV_A_ &w->timer); |
3977 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4329 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3978 | } |
4330 | } |
3979 | |
4331 | |
3980 | static void noinline |
4332 | noinline |
|
|
4333 | static void |
3981 | infy_del (EV_P_ ev_stat *w) |
4334 | infy_del (EV_P_ ev_stat *w) |
3982 | { |
4335 | { |
3983 | int slot; |
4336 | int slot; |
3984 | int wd = w->wd; |
4337 | int wd = w->wd; |
3985 | |
4338 | |
… | |
… | |
3992 | |
4345 | |
3993 | /* remove this watcher, if others are watching it, they will rearm */ |
4346 | /* remove this watcher, if others are watching it, they will rearm */ |
3994 | inotify_rm_watch (fs_fd, wd); |
4347 | inotify_rm_watch (fs_fd, wd); |
3995 | } |
4348 | } |
3996 | |
4349 | |
3997 | static void noinline |
4350 | noinline |
|
|
4351 | static void |
3998 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4352 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3999 | { |
4353 | { |
4000 | if (slot < 0) |
4354 | if (slot < 0) |
4001 | /* overflow, need to check for all hash slots */ |
4355 | /* overflow, need to check for all hash slots */ |
4002 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4356 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4038 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4392 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4039 | ofs += sizeof (struct inotify_event) + ev->len; |
4393 | ofs += sizeof (struct inotify_event) + ev->len; |
4040 | } |
4394 | } |
4041 | } |
4395 | } |
4042 | |
4396 | |
4043 | inline_size void ecb_cold |
4397 | inline_size ecb_cold |
|
|
4398 | void |
4044 | ev_check_2625 (EV_P) |
4399 | ev_check_2625 (EV_P) |
4045 | { |
4400 | { |
4046 | /* kernels < 2.6.25 are borked |
4401 | /* kernels < 2.6.25 are borked |
4047 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4402 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4048 | */ |
4403 | */ |
… | |
… | |
4138 | #else |
4493 | #else |
4139 | # define EV_LSTAT(p,b) lstat (p, b) |
4494 | # define EV_LSTAT(p,b) lstat (p, b) |
4140 | #endif |
4495 | #endif |
4141 | |
4496 | |
4142 | void |
4497 | void |
4143 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4498 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4144 | { |
4499 | { |
4145 | if (lstat (w->path, &w->attr) < 0) |
4500 | if (lstat (w->path, &w->attr) < 0) |
4146 | w->attr.st_nlink = 0; |
4501 | w->attr.st_nlink = 0; |
4147 | else if (!w->attr.st_nlink) |
4502 | else if (!w->attr.st_nlink) |
4148 | w->attr.st_nlink = 1; |
4503 | w->attr.st_nlink = 1; |
4149 | } |
4504 | } |
4150 | |
4505 | |
4151 | static void noinline |
4506 | noinline |
|
|
4507 | static void |
4152 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4508 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4153 | { |
4509 | { |
4154 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4510 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4155 | |
4511 | |
4156 | ev_statdata prev = w->attr; |
4512 | ev_statdata prev = w->attr; |
… | |
… | |
4187 | ev_feed_event (EV_A_ w, EV_STAT); |
4543 | ev_feed_event (EV_A_ w, EV_STAT); |
4188 | } |
4544 | } |
4189 | } |
4545 | } |
4190 | |
4546 | |
4191 | void |
4547 | void |
4192 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4548 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4193 | { |
4549 | { |
4194 | if (expect_false (ev_is_active (w))) |
4550 | if (expect_false (ev_is_active (w))) |
4195 | return; |
4551 | return; |
4196 | |
4552 | |
4197 | ev_stat_stat (EV_A_ w); |
4553 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4218 | |
4574 | |
4219 | EV_FREQUENT_CHECK; |
4575 | EV_FREQUENT_CHECK; |
4220 | } |
4576 | } |
4221 | |
4577 | |
4222 | void |
4578 | void |
4223 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4579 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4224 | { |
4580 | { |
4225 | clear_pending (EV_A_ (W)w); |
4581 | clear_pending (EV_A_ (W)w); |
4226 | if (expect_false (!ev_is_active (w))) |
4582 | if (expect_false (!ev_is_active (w))) |
4227 | return; |
4583 | return; |
4228 | |
4584 | |
… | |
… | |
4244 | } |
4600 | } |
4245 | #endif |
4601 | #endif |
4246 | |
4602 | |
4247 | #if EV_IDLE_ENABLE |
4603 | #if EV_IDLE_ENABLE |
4248 | void |
4604 | void |
4249 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4605 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4250 | { |
4606 | { |
4251 | if (expect_false (ev_is_active (w))) |
4607 | if (expect_false (ev_is_active (w))) |
4252 | return; |
4608 | return; |
4253 | |
4609 | |
4254 | pri_adjust (EV_A_ (W)w); |
4610 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4267 | |
4623 | |
4268 | EV_FREQUENT_CHECK; |
4624 | EV_FREQUENT_CHECK; |
4269 | } |
4625 | } |
4270 | |
4626 | |
4271 | void |
4627 | void |
4272 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4628 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4273 | { |
4629 | { |
4274 | clear_pending (EV_A_ (W)w); |
4630 | clear_pending (EV_A_ (W)w); |
4275 | if (expect_false (!ev_is_active (w))) |
4631 | if (expect_false (!ev_is_active (w))) |
4276 | return; |
4632 | return; |
4277 | |
4633 | |
… | |
… | |
4291 | } |
4647 | } |
4292 | #endif |
4648 | #endif |
4293 | |
4649 | |
4294 | #if EV_PREPARE_ENABLE |
4650 | #if EV_PREPARE_ENABLE |
4295 | void |
4651 | void |
4296 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4652 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4297 | { |
4653 | { |
4298 | if (expect_false (ev_is_active (w))) |
4654 | if (expect_false (ev_is_active (w))) |
4299 | return; |
4655 | return; |
4300 | |
4656 | |
4301 | EV_FREQUENT_CHECK; |
4657 | EV_FREQUENT_CHECK; |
… | |
… | |
4306 | |
4662 | |
4307 | EV_FREQUENT_CHECK; |
4663 | EV_FREQUENT_CHECK; |
4308 | } |
4664 | } |
4309 | |
4665 | |
4310 | void |
4666 | void |
4311 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4667 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4312 | { |
4668 | { |
4313 | clear_pending (EV_A_ (W)w); |
4669 | clear_pending (EV_A_ (W)w); |
4314 | if (expect_false (!ev_is_active (w))) |
4670 | if (expect_false (!ev_is_active (w))) |
4315 | return; |
4671 | return; |
4316 | |
4672 | |
… | |
… | |
4329 | } |
4685 | } |
4330 | #endif |
4686 | #endif |
4331 | |
4687 | |
4332 | #if EV_CHECK_ENABLE |
4688 | #if EV_CHECK_ENABLE |
4333 | void |
4689 | void |
4334 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4690 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4335 | { |
4691 | { |
4336 | if (expect_false (ev_is_active (w))) |
4692 | if (expect_false (ev_is_active (w))) |
4337 | return; |
4693 | return; |
4338 | |
4694 | |
4339 | EV_FREQUENT_CHECK; |
4695 | EV_FREQUENT_CHECK; |
… | |
… | |
4344 | |
4700 | |
4345 | EV_FREQUENT_CHECK; |
4701 | EV_FREQUENT_CHECK; |
4346 | } |
4702 | } |
4347 | |
4703 | |
4348 | void |
4704 | void |
4349 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4705 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4350 | { |
4706 | { |
4351 | clear_pending (EV_A_ (W)w); |
4707 | clear_pending (EV_A_ (W)w); |
4352 | if (expect_false (!ev_is_active (w))) |
4708 | if (expect_false (!ev_is_active (w))) |
4353 | return; |
4709 | return; |
4354 | |
4710 | |
… | |
… | |
4366 | EV_FREQUENT_CHECK; |
4722 | EV_FREQUENT_CHECK; |
4367 | } |
4723 | } |
4368 | #endif |
4724 | #endif |
4369 | |
4725 | |
4370 | #if EV_EMBED_ENABLE |
4726 | #if EV_EMBED_ENABLE |
4371 | void noinline |
4727 | noinline |
|
|
4728 | void |
4372 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4729 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4373 | { |
4730 | { |
4374 | ev_run (w->other, EVRUN_NOWAIT); |
4731 | ev_run (w->other, EVRUN_NOWAIT); |
4375 | } |
4732 | } |
4376 | |
4733 | |
4377 | static void |
4734 | static void |
… | |
… | |
4425 | ev_idle_stop (EV_A_ idle); |
4782 | ev_idle_stop (EV_A_ idle); |
4426 | } |
4783 | } |
4427 | #endif |
4784 | #endif |
4428 | |
4785 | |
4429 | void |
4786 | void |
4430 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4787 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4431 | { |
4788 | { |
4432 | if (expect_false (ev_is_active (w))) |
4789 | if (expect_false (ev_is_active (w))) |
4433 | return; |
4790 | return; |
4434 | |
4791 | |
4435 | { |
4792 | { |
… | |
… | |
4456 | |
4813 | |
4457 | EV_FREQUENT_CHECK; |
4814 | EV_FREQUENT_CHECK; |
4458 | } |
4815 | } |
4459 | |
4816 | |
4460 | void |
4817 | void |
4461 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4818 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4462 | { |
4819 | { |
4463 | clear_pending (EV_A_ (W)w); |
4820 | clear_pending (EV_A_ (W)w); |
4464 | if (expect_false (!ev_is_active (w))) |
4821 | if (expect_false (!ev_is_active (w))) |
4465 | return; |
4822 | return; |
4466 | |
4823 | |
… | |
… | |
4476 | } |
4833 | } |
4477 | #endif |
4834 | #endif |
4478 | |
4835 | |
4479 | #if EV_FORK_ENABLE |
4836 | #if EV_FORK_ENABLE |
4480 | void |
4837 | void |
4481 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4838 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4482 | { |
4839 | { |
4483 | if (expect_false (ev_is_active (w))) |
4840 | if (expect_false (ev_is_active (w))) |
4484 | return; |
4841 | return; |
4485 | |
4842 | |
4486 | EV_FREQUENT_CHECK; |
4843 | EV_FREQUENT_CHECK; |
… | |
… | |
4491 | |
4848 | |
4492 | EV_FREQUENT_CHECK; |
4849 | EV_FREQUENT_CHECK; |
4493 | } |
4850 | } |
4494 | |
4851 | |
4495 | void |
4852 | void |
4496 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4853 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4497 | { |
4854 | { |
4498 | clear_pending (EV_A_ (W)w); |
4855 | clear_pending (EV_A_ (W)w); |
4499 | if (expect_false (!ev_is_active (w))) |
4856 | if (expect_false (!ev_is_active (w))) |
4500 | return; |
4857 | return; |
4501 | |
4858 | |
… | |
… | |
4514 | } |
4871 | } |
4515 | #endif |
4872 | #endif |
4516 | |
4873 | |
4517 | #if EV_CLEANUP_ENABLE |
4874 | #if EV_CLEANUP_ENABLE |
4518 | void |
4875 | void |
4519 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4876 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4520 | { |
4877 | { |
4521 | if (expect_false (ev_is_active (w))) |
4878 | if (expect_false (ev_is_active (w))) |
4522 | return; |
4879 | return; |
4523 | |
4880 | |
4524 | EV_FREQUENT_CHECK; |
4881 | EV_FREQUENT_CHECK; |
… | |
… | |
4531 | ev_unref (EV_A); |
4888 | ev_unref (EV_A); |
4532 | EV_FREQUENT_CHECK; |
4889 | EV_FREQUENT_CHECK; |
4533 | } |
4890 | } |
4534 | |
4891 | |
4535 | void |
4892 | void |
4536 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4893 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4537 | { |
4894 | { |
4538 | clear_pending (EV_A_ (W)w); |
4895 | clear_pending (EV_A_ (W)w); |
4539 | if (expect_false (!ev_is_active (w))) |
4896 | if (expect_false (!ev_is_active (w))) |
4540 | return; |
4897 | return; |
4541 | |
4898 | |
… | |
… | |
4555 | } |
4912 | } |
4556 | #endif |
4913 | #endif |
4557 | |
4914 | |
4558 | #if EV_ASYNC_ENABLE |
4915 | #if EV_ASYNC_ENABLE |
4559 | void |
4916 | void |
4560 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4917 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4561 | { |
4918 | { |
4562 | if (expect_false (ev_is_active (w))) |
4919 | if (expect_false (ev_is_active (w))) |
4563 | return; |
4920 | return; |
4564 | |
4921 | |
4565 | w->sent = 0; |
4922 | w->sent = 0; |
… | |
… | |
4574 | |
4931 | |
4575 | EV_FREQUENT_CHECK; |
4932 | EV_FREQUENT_CHECK; |
4576 | } |
4933 | } |
4577 | |
4934 | |
4578 | void |
4935 | void |
4579 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4936 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4580 | { |
4937 | { |
4581 | clear_pending (EV_A_ (W)w); |
4938 | clear_pending (EV_A_ (W)w); |
4582 | if (expect_false (!ev_is_active (w))) |
4939 | if (expect_false (!ev_is_active (w))) |
4583 | return; |
4940 | return; |
4584 | |
4941 | |
… | |
… | |
4595 | |
4952 | |
4596 | EV_FREQUENT_CHECK; |
4953 | EV_FREQUENT_CHECK; |
4597 | } |
4954 | } |
4598 | |
4955 | |
4599 | void |
4956 | void |
4600 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4957 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4601 | { |
4958 | { |
4602 | w->sent = 1; |
4959 | w->sent = 1; |
4603 | evpipe_write (EV_A_ &async_pending); |
4960 | evpipe_write (EV_A_ &async_pending); |
4604 | } |
4961 | } |
4605 | #endif |
4962 | #endif |
… | |
… | |
4642 | |
4999 | |
4643 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5000 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4644 | } |
5001 | } |
4645 | |
5002 | |
4646 | void |
5003 | void |
4647 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5004 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4648 | { |
5005 | { |
4649 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5006 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4650 | |
|
|
4651 | if (expect_false (!once)) |
|
|
4652 | { |
|
|
4653 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4654 | return; |
|
|
4655 | } |
|
|
4656 | |
5007 | |
4657 | once->cb = cb; |
5008 | once->cb = cb; |
4658 | once->arg = arg; |
5009 | once->arg = arg; |
4659 | |
5010 | |
4660 | ev_init (&once->io, once_cb_io); |
5011 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4673 | } |
5024 | } |
4674 | |
5025 | |
4675 | /*****************************************************************************/ |
5026 | /*****************************************************************************/ |
4676 | |
5027 | |
4677 | #if EV_WALK_ENABLE |
5028 | #if EV_WALK_ENABLE |
4678 | void ecb_cold |
5029 | ecb_cold |
|
|
5030 | void |
4679 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5031 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4680 | { |
5032 | { |
4681 | int i, j; |
5033 | int i, j; |
4682 | ev_watcher_list *wl, *wn; |
5034 | ev_watcher_list *wl, *wn; |
4683 | |
5035 | |
4684 | if (types & (EV_IO | EV_EMBED)) |
5036 | if (types & (EV_IO | EV_EMBED)) |