… | |
… | |
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 |
… | |
… | |
256 | # else |
258 | # else |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
258 | # endif |
260 | # endif |
259 | #endif |
261 | #endif |
260 | |
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 |
|
|
269 | # endif |
|
|
270 | #endif |
|
|
271 | |
261 | #ifndef EV_USE_MONOTONIC |
272 | #ifndef EV_USE_MONOTONIC |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
273 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
263 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
274 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
264 | # else |
275 | # else |
265 | # define EV_USE_MONOTONIC 0 |
276 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
354 | |
365 | |
355 | #ifndef EV_HEAP_CACHE_AT |
366 | #ifndef EV_HEAP_CACHE_AT |
356 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
367 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
357 | #endif |
368 | #endif |
358 | |
369 | |
359 | #ifdef ANDROID |
370 | #ifdef __ANDROID__ |
360 | /* supposedly, android doesn't typedef fd_mask */ |
371 | /* supposedly, android doesn't typedef fd_mask */ |
361 | # undef EV_USE_SELECT |
372 | # undef EV_USE_SELECT |
362 | # define EV_USE_SELECT 0 |
373 | # define EV_USE_SELECT 0 |
363 | /* 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 */ |
364 | # undef EV_USE_CLOCK_SYSCALL |
375 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
482 | /* 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 */ |
483 | /* ECB.H BEGIN */ |
494 | /* ECB.H BEGIN */ |
484 | /* |
495 | /* |
485 | * libecb - http://software.schmorp.de/pkg/libecb |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
486 | * |
497 | * |
487 | * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> |
498 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
488 | * Copyright (©) 2011 Emanuele Giaquinta |
499 | * Copyright (©) 2011 Emanuele Giaquinta |
489 | * All rights reserved. |
500 | * All rights reserved. |
490 | * |
501 | * |
491 | * 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- |
492 | * tion, are permitted provided that the following conditions are met: |
503 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
523 | |
534 | |
524 | #ifndef ECB_H |
535 | #ifndef ECB_H |
525 | #define ECB_H |
536 | #define ECB_H |
526 | |
537 | |
527 | /* 16 bits major, 16 bits minor */ |
538 | /* 16 bits major, 16 bits minor */ |
528 | #define ECB_VERSION 0x00010003 |
539 | #define ECB_VERSION 0x00010005 |
529 | |
540 | |
530 | #ifdef _WIN32 |
541 | #ifdef _WIN32 |
531 | typedef signed char int8_t; |
542 | typedef signed char int8_t; |
532 | typedef unsigned char uint8_t; |
543 | typedef unsigned char uint8_t; |
533 | typedef signed short int16_t; |
544 | typedef signed short int16_t; |
… | |
… | |
550 | typedef uint32_t uintptr_t; |
561 | typedef uint32_t uintptr_t; |
551 | typedef int32_t intptr_t; |
562 | typedef int32_t intptr_t; |
552 | #endif |
563 | #endif |
553 | #else |
564 | #else |
554 | #include <inttypes.h> |
565 | #include <inttypes.h> |
555 | #if UINTMAX_MAX > 0xffffffffU |
566 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
556 | #define ECB_PTRSIZE 8 |
567 | #define ECB_PTRSIZE 8 |
557 | #else |
568 | #else |
558 | #define ECB_PTRSIZE 4 |
569 | #define ECB_PTRSIZE 4 |
559 | #endif |
570 | #endif |
560 | #endif |
571 | #endif |
561 | |
572 | |
|
|
573 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
574 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
575 | |
562 | /* work around x32 idiocy by defining proper macros */ |
576 | /* work around x32 idiocy by defining proper macros */ |
563 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
577 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
564 | #if _ILP32 |
578 | #if _ILP32 |
565 | #define ECB_AMD64_X32 1 |
579 | #define ECB_AMD64_X32 1 |
566 | #else |
580 | #else |
567 | #define ECB_AMD64 1 |
581 | #define ECB_AMD64 1 |
568 | #endif |
582 | #endif |
… | |
… | |
573 | * causing enormous grief in return for some better fake benchmark numbers. |
587 | * causing enormous grief in return for some better fake benchmark numbers. |
574 | * or so. |
588 | * or so. |
575 | * 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 |
576 | * 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. |
577 | */ |
591 | */ |
578 | #ifndef ECB_GCC_VERSION |
|
|
579 | #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__ |
580 | #define ECB_GCC_VERSION(major,minor) 0 |
593 | #define ECB_GCC_VERSION(major,minor) 0 |
581 | #else |
594 | #else |
582 | #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))) |
583 | #endif |
596 | #endif |
|
|
597 | |
|
|
598 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
|
|
599 | |
|
|
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 |
584 | #endif |
610 | #endif |
585 | |
611 | |
586 | #define ECB_CPP (__cplusplus+0) |
612 | #define ECB_CPP (__cplusplus+0) |
587 | #define ECB_CPP11 (__cplusplus >= 201103L) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
588 | |
614 | |
… | |
… | |
616 | #define ECB_NO_SMP 1 |
642 | #define ECB_NO_SMP 1 |
617 | #endif |
643 | #endif |
618 | |
644 | |
619 | #if ECB_NO_SMP |
645 | #if ECB_NO_SMP |
620 | #define ECB_MEMORY_FENCE do { } while (0) |
646 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
647 | #endif |
|
|
648 | |
|
|
649 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
650 | #if __xlC__ && ECB_CPP |
|
|
651 | #include <builtins.h> |
|
|
652 | #endif |
|
|
653 | |
|
|
654 | #if 1400 <= _MSC_VER |
|
|
655 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
621 | #endif |
656 | #endif |
622 | |
657 | |
623 | #ifndef ECB_MEMORY_FENCE |
658 | #ifndef ECB_MEMORY_FENCE |
624 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
659 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
625 | #if __i386 || __i386__ |
660 | #if __i386 || __i386__ |
626 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
661 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
662 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
663 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
629 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
664 | #elif ECB_GCC_AMD64 |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
631 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
632 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
667 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
633 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
668 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
634 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
669 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
670 | #elif defined __ARM_ARCH_2__ \ |
|
|
671 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
672 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
673 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
674 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
675 | || defined __ARM_ARCH_5TEJ__ |
|
|
676 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
635 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
677 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
636 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
678 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
679 | || defined __ARM_ARCH_6T2__ |
637 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
680 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
638 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
681 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
639 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
682 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
640 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
641 | #elif __aarch64__ |
684 | #elif __aarch64__ |
642 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
685 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
643 | #elif (__sparc || __sparc__) && !__sparcv8 |
686 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
644 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
687 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
645 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
688 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
646 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
689 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
647 | #elif defined __s390__ || defined __s390x__ |
690 | #elif defined __s390__ || defined __s390x__ |
648 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
691 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
672 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
715 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
673 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
716 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
674 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
717 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
675 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
718 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
676 | |
719 | |
677 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
720 | #elif ECB_CLANG_EXTENSION(c_atomic) |
678 | * without risking compile time errors with other compilers. We *could* |
|
|
679 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
680 | * around this shit time and again. |
|
|
681 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
682 | * // see comment below (stdatomic.h) about the C11 memory model. |
721 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
683 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
722 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
684 | * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
723 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
685 | * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
724 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
686 | */ |
|
|
687 | |
725 | |
688 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
726 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
689 | #define ECB_MEMORY_FENCE __sync_synchronize () |
727 | #define ECB_MEMORY_FENCE __sync_synchronize () |
690 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
728 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
691 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
729 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
754 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
792 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
755 | #endif |
793 | #endif |
756 | |
794 | |
757 | /*****************************************************************************/ |
795 | /*****************************************************************************/ |
758 | |
796 | |
759 | #if __cplusplus |
797 | #if ECB_CPP |
760 | #define ecb_inline static inline |
798 | #define ecb_inline static inline |
761 | #elif ECB_GCC_VERSION(2,5) |
799 | #elif ECB_GCC_VERSION(2,5) |
762 | #define ecb_inline static __inline__ |
800 | #define ecb_inline static __inline__ |
763 | #elif ECB_C99 |
801 | #elif ECB_C99 |
764 | #define ecb_inline static inline |
802 | #define ecb_inline static inline |
… | |
… | |
778 | |
816 | |
779 | #define ECB_CONCAT_(a, b) a ## b |
817 | #define ECB_CONCAT_(a, b) a ## b |
780 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
818 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
781 | #define ECB_STRINGIFY_(a) # a |
819 | #define ECB_STRINGIFY_(a) # a |
782 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
820 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
821 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
783 | |
822 | |
784 | #define ecb_function_ ecb_inline |
823 | #define ecb_function_ ecb_inline |
785 | |
824 | |
786 | #if ECB_GCC_VERSION(3,1) |
825 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
787 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
826 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
827 | #else |
|
|
828 | #define ecb_attribute(attrlist) |
|
|
829 | #endif |
|
|
830 | |
|
|
831 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
788 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
832 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
789 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
790 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
791 | #else |
833 | #else |
792 | #define ecb_attribute(attrlist) |
|
|
793 | |
|
|
794 | /* possible C11 impl for integral types |
834 | /* possible C11 impl for integral types |
795 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
835 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
796 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
836 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
797 | |
837 | |
798 | #define ecb_is_constant(expr) 0 |
838 | #define ecb_is_constant(expr) 0 |
|
|
839 | #endif |
|
|
840 | |
|
|
841 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
|
|
842 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
843 | #else |
799 | #define ecb_expect(expr,value) (expr) |
844 | #define ecb_expect(expr,value) (expr) |
|
|
845 | #endif |
|
|
846 | |
|
|
847 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
|
|
848 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
849 | #else |
800 | #define ecb_prefetch(addr,rw,locality) |
850 | #define ecb_prefetch(addr,rw,locality) |
801 | #endif |
851 | #endif |
802 | |
852 | |
803 | /* no emulation for ecb_decltype */ |
853 | /* no emulation for ecb_decltype */ |
804 | #if ECB_GCC_VERSION(4,5) |
854 | #if ECB_CPP11 |
|
|
855 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
856 | template<class T> struct ecb_decltype_t { typedef T type; }; |
805 | #define ecb_decltype(x) __decltype(x) |
857 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
806 | #elif ECB_GCC_VERSION(3,0) |
858 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
807 | #define ecb_decltype(x) __typeof(x) |
859 | #define ecb_decltype(x) __typeof__ (x) |
808 | #endif |
860 | #endif |
809 | |
861 | |
810 | #if _MSC_VER >= 1300 |
862 | #if _MSC_VER >= 1300 |
811 | #define ecb_deprecated __declspec(deprecated) |
863 | #define ecb_deprecated __declspec (deprecated) |
812 | #else |
864 | #else |
813 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
865 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
814 | #endif |
866 | #endif |
815 | |
867 | |
|
|
868 | #if _MSC_VER >= 1500 |
|
|
869 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
870 | #elif ECB_GCC_VERSION(4,5) |
|
|
871 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
872 | #else |
|
|
873 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
874 | #endif |
|
|
875 | |
|
|
876 | #if _MSC_VER >= 1400 |
|
|
877 | #define ecb_noinline __declspec (noinline) |
|
|
878 | #else |
816 | #define ecb_noinline ecb_attribute ((__noinline__)) |
879 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
880 | #endif |
|
|
881 | |
817 | #define ecb_unused ecb_attribute ((__unused__)) |
882 | #define ecb_unused ecb_attribute ((__unused__)) |
818 | #define ecb_const ecb_attribute ((__const__)) |
883 | #define ecb_const ecb_attribute ((__const__)) |
819 | #define ecb_pure ecb_attribute ((__pure__)) |
884 | #define ecb_pure ecb_attribute ((__pure__)) |
820 | |
885 | |
821 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ |
886 | #if ECB_C11 || __IBMC_NORETURN |
822 | #if ECB_C11 |
887 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
823 | #define ecb_noreturn _Noreturn |
888 | #define ecb_noreturn _Noreturn |
|
|
889 | #elif ECB_CPP11 |
|
|
890 | #define ecb_noreturn [[noreturn]] |
|
|
891 | #elif _MSC_VER >= 1200 |
|
|
892 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
893 | #define ecb_noreturn __declspec (noreturn) |
824 | #else |
894 | #else |
825 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
895 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
826 | #endif |
896 | #endif |
827 | |
897 | |
828 | #if ECB_GCC_VERSION(4,3) |
898 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
843 | /* for compatibility to the rest of the world */ |
913 | /* for compatibility to the rest of the world */ |
844 | #define ecb_likely(expr) ecb_expect_true (expr) |
914 | #define ecb_likely(expr) ecb_expect_true (expr) |
845 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
915 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
846 | |
916 | |
847 | /* count trailing zero bits and count # of one bits */ |
917 | /* count trailing zero bits and count # of one bits */ |
848 | #if ECB_GCC_VERSION(3,4) |
918 | #if ECB_GCC_VERSION(3,4) \ |
|
|
919 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
920 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
921 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
849 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
922 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
850 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
923 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
851 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
924 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
852 | #define ecb_ctz32(x) __builtin_ctz (x) |
925 | #define ecb_ctz32(x) __builtin_ctz (x) |
853 | #define ecb_ctz64(x) __builtin_ctzll (x) |
926 | #define ecb_ctz64(x) __builtin_ctzll (x) |
854 | #define ecb_popcount32(x) __builtin_popcount (x) |
927 | #define ecb_popcount32(x) __builtin_popcount (x) |
855 | /* no popcountll */ |
928 | /* no popcountll */ |
856 | #else |
929 | #else |
857 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
930 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
858 | ecb_function_ int |
931 | ecb_function_ ecb_const int |
859 | ecb_ctz32 (uint32_t x) |
932 | ecb_ctz32 (uint32_t x) |
860 | { |
933 | { |
|
|
934 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
935 | unsigned long r; |
|
|
936 | _BitScanForward (&r, x); |
|
|
937 | return (int)r; |
|
|
938 | #else |
861 | int r = 0; |
939 | int r = 0; |
862 | |
940 | |
863 | x &= ~x + 1; /* this isolates the lowest bit */ |
941 | x &= ~x + 1; /* this isolates the lowest bit */ |
864 | |
942 | |
865 | #if ECB_branchless_on_i386 |
943 | #if ECB_branchless_on_i386 |
… | |
… | |
875 | if (x & 0xff00ff00) r += 8; |
953 | if (x & 0xff00ff00) r += 8; |
876 | if (x & 0xffff0000) r += 16; |
954 | if (x & 0xffff0000) r += 16; |
877 | #endif |
955 | #endif |
878 | |
956 | |
879 | return r; |
957 | return r; |
|
|
958 | #endif |
880 | } |
959 | } |
881 | |
960 | |
882 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
961 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
883 | ecb_function_ int |
962 | ecb_function_ ecb_const int |
884 | ecb_ctz64 (uint64_t x) |
963 | ecb_ctz64 (uint64_t x) |
885 | { |
964 | { |
|
|
965 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
966 | unsigned long r; |
|
|
967 | _BitScanForward64 (&r, x); |
|
|
968 | return (int)r; |
|
|
969 | #else |
886 | int shift = x & 0xffffffffU ? 0 : 32; |
970 | int shift = x & 0xffffffff ? 0 : 32; |
887 | return ecb_ctz32 (x >> shift) + shift; |
971 | return ecb_ctz32 (x >> shift) + shift; |
|
|
972 | #endif |
888 | } |
973 | } |
889 | |
974 | |
890 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
975 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
891 | ecb_function_ int |
976 | ecb_function_ ecb_const int |
892 | ecb_popcount32 (uint32_t x) |
977 | ecb_popcount32 (uint32_t x) |
893 | { |
978 | { |
894 | x -= (x >> 1) & 0x55555555; |
979 | x -= (x >> 1) & 0x55555555; |
895 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
980 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
896 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
981 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
897 | x *= 0x01010101; |
982 | x *= 0x01010101; |
898 | |
983 | |
899 | return x >> 24; |
984 | return x >> 24; |
900 | } |
985 | } |
901 | |
986 | |
902 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
987 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
903 | ecb_function_ int ecb_ld32 (uint32_t x) |
988 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
904 | { |
989 | { |
|
|
990 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
991 | unsigned long r; |
|
|
992 | _BitScanReverse (&r, x); |
|
|
993 | return (int)r; |
|
|
994 | #else |
905 | int r = 0; |
995 | int r = 0; |
906 | |
996 | |
907 | if (x >> 16) { x >>= 16; r += 16; } |
997 | if (x >> 16) { x >>= 16; r += 16; } |
908 | if (x >> 8) { x >>= 8; r += 8; } |
998 | if (x >> 8) { x >>= 8; r += 8; } |
909 | if (x >> 4) { x >>= 4; r += 4; } |
999 | if (x >> 4) { x >>= 4; r += 4; } |
910 | if (x >> 2) { x >>= 2; r += 2; } |
1000 | if (x >> 2) { x >>= 2; r += 2; } |
911 | if (x >> 1) { r += 1; } |
1001 | if (x >> 1) { r += 1; } |
912 | |
1002 | |
913 | return r; |
1003 | return r; |
|
|
1004 | #endif |
914 | } |
1005 | } |
915 | |
1006 | |
916 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1007 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
917 | ecb_function_ int ecb_ld64 (uint64_t x) |
1008 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
918 | { |
1009 | { |
|
|
1010 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1011 | unsigned long r; |
|
|
1012 | _BitScanReverse64 (&r, x); |
|
|
1013 | return (int)r; |
|
|
1014 | #else |
919 | int r = 0; |
1015 | int r = 0; |
920 | |
1016 | |
921 | if (x >> 32) { x >>= 32; r += 32; } |
1017 | if (x >> 32) { x >>= 32; r += 32; } |
922 | |
1018 | |
923 | return r + ecb_ld32 (x); |
1019 | return r + ecb_ld32 (x); |
|
|
1020 | #endif |
924 | } |
1021 | } |
925 | #endif |
1022 | #endif |
926 | |
1023 | |
927 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1024 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
928 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1025 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
929 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1026 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
930 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1027 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
931 | |
1028 | |
932 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1029 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
933 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1030 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
934 | { |
1031 | { |
935 | return ( (x * 0x0802U & 0x22110U) |
1032 | return ( (x * 0x0802U & 0x22110U) |
936 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1033 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
937 | } |
1034 | } |
938 | |
1035 | |
939 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1036 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
940 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1037 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
941 | { |
1038 | { |
942 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1039 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
943 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1040 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
944 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1041 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
945 | x = ( x >> 8 ) | ( x << 8); |
1042 | x = ( x >> 8 ) | ( x << 8); |
946 | |
1043 | |
947 | return x; |
1044 | return x; |
948 | } |
1045 | } |
949 | |
1046 | |
950 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1047 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
951 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1048 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
952 | { |
1049 | { |
953 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1050 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
954 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1051 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
955 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1052 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
956 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1053 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
959 | return x; |
1056 | return x; |
960 | } |
1057 | } |
961 | |
1058 | |
962 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1059 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
963 | /* so for this version we are lazy */ |
1060 | /* so for this version we are lazy */ |
964 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1061 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
965 | ecb_function_ int |
1062 | ecb_function_ ecb_const int |
966 | ecb_popcount64 (uint64_t x) |
1063 | ecb_popcount64 (uint64_t x) |
967 | { |
1064 | { |
968 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1065 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
969 | } |
1066 | } |
970 | |
1067 | |
971 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1068 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
972 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1069 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
973 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1070 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
974 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1071 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
975 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1072 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
976 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1073 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
977 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1074 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
978 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1075 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
979 | |
1076 | |
980 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1077 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
981 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1078 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
982 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1079 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
983 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1080 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
984 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1081 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
985 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1082 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
986 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1083 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
987 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1084 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
988 | |
1085 | |
989 | #if ECB_GCC_VERSION(4,3) |
1086 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1087 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1088 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1089 | #else |
990 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1090 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1091 | #endif |
991 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1092 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
992 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1093 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1094 | #elif _MSC_VER |
|
|
1095 | #include <stdlib.h> |
|
|
1096 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1097 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1098 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
993 | #else |
1099 | #else |
994 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1100 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
995 | ecb_function_ uint16_t |
1101 | ecb_function_ ecb_const uint16_t |
996 | ecb_bswap16 (uint16_t x) |
1102 | ecb_bswap16 (uint16_t x) |
997 | { |
1103 | { |
998 | return ecb_rotl16 (x, 8); |
1104 | return ecb_rotl16 (x, 8); |
999 | } |
1105 | } |
1000 | |
1106 | |
1001 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1107 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
1002 | ecb_function_ uint32_t |
1108 | ecb_function_ ecb_const uint32_t |
1003 | ecb_bswap32 (uint32_t x) |
1109 | ecb_bswap32 (uint32_t x) |
1004 | { |
1110 | { |
1005 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1111 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1006 | } |
1112 | } |
1007 | |
1113 | |
1008 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1114 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
1009 | ecb_function_ uint64_t |
1115 | ecb_function_ ecb_const uint64_t |
1010 | ecb_bswap64 (uint64_t x) |
1116 | ecb_bswap64 (uint64_t x) |
1011 | { |
1117 | { |
1012 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1118 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1013 | } |
1119 | } |
1014 | #endif |
1120 | #endif |
1015 | |
1121 | |
1016 | #if ECB_GCC_VERSION(4,5) |
1122 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
1017 | #define ecb_unreachable() __builtin_unreachable () |
1123 | #define ecb_unreachable() __builtin_unreachable () |
1018 | #else |
1124 | #else |
1019 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1125 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1020 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1126 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
1021 | ecb_inline void ecb_unreachable (void) { } |
1127 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
1022 | #endif |
1128 | #endif |
1023 | |
1129 | |
1024 | /* try to tell the compiler that some condition is definitely true */ |
1130 | /* try to tell the compiler that some condition is definitely true */ |
1025 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1131 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1026 | |
1132 | |
1027 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1133 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
1028 | ecb_inline unsigned char |
1134 | ecb_inline ecb_const uint32_t |
1029 | ecb_byteorder_helper (void) |
1135 | ecb_byteorder_helper (void) |
1030 | { |
1136 | { |
1031 | /* the union code still generates code under pressure in gcc, */ |
1137 | /* the union code still generates code under pressure in gcc, */ |
1032 | /* but less than using pointers, and always seems to */ |
1138 | /* but less than using pointers, and always seems to */ |
1033 | /* successfully return a constant. */ |
1139 | /* successfully return a constant. */ |
1034 | /* the reason why we have this horrible preprocessor mess */ |
1140 | /* the reason why we have this horrible preprocessor mess */ |
1035 | /* is to avoid it in all cases, at least on common architectures */ |
1141 | /* is to avoid it in all cases, at least on common architectures */ |
1036 | /* or when using a recent enough gcc version (>= 4.6) */ |
1142 | /* or when using a recent enough gcc version (>= 4.6) */ |
1037 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
1038 | return 0x44; |
|
|
1039 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1143 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1144 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1145 | #define ECB_LITTLE_ENDIAN 1 |
1040 | return 0x44; |
1146 | return 0x44332211; |
1041 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1147 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1148 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1149 | #define ECB_BIG_ENDIAN 1 |
1042 | return 0x11; |
1150 | return 0x11223344; |
1043 | #else |
1151 | #else |
1044 | union |
1152 | union |
1045 | { |
1153 | { |
|
|
1154 | uint8_t c[4]; |
1046 | uint32_t i; |
1155 | uint32_t u; |
1047 | uint8_t c; |
|
|
1048 | } u = { 0x11223344 }; |
1156 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1049 | return u.c; |
1157 | return u.u; |
1050 | #endif |
1158 | #endif |
1051 | } |
1159 | } |
1052 | |
1160 | |
1053 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1161 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1054 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1162 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1055 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1163 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1056 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1164 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1057 | |
1165 | |
1058 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1166 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1059 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1167 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1060 | #else |
1168 | #else |
1061 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1169 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1062 | #endif |
1170 | #endif |
1063 | |
1171 | |
1064 | #if __cplusplus |
1172 | #if ECB_CPP |
1065 | template<typename T> |
1173 | template<typename T> |
1066 | static inline T ecb_div_rd (T val, T div) |
1174 | static inline T ecb_div_rd (T val, T div) |
1067 | { |
1175 | { |
1068 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1176 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1069 | } |
1177 | } |
… | |
… | |
1086 | } |
1194 | } |
1087 | #else |
1195 | #else |
1088 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1196 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1089 | #endif |
1197 | #endif |
1090 | |
1198 | |
|
|
1199 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1200 | ecb_function_ ecb_const uint32_t |
|
|
1201 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1202 | { |
|
|
1203 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1204 | int e = (x >> 10) & 0x001f; |
|
|
1205 | unsigned int m = x & 0x03ff; |
|
|
1206 | |
|
|
1207 | if (ecb_expect_false (e == 31)) |
|
|
1208 | /* infinity or NaN */ |
|
|
1209 | e = 255 - (127 - 15); |
|
|
1210 | else if (ecb_expect_false (!e)) |
|
|
1211 | { |
|
|
1212 | if (ecb_expect_true (!m)) |
|
|
1213 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1214 | e = 0 - (127 - 15); |
|
|
1215 | else |
|
|
1216 | { |
|
|
1217 | /* subnormal, renormalise */ |
|
|
1218 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1219 | |
|
|
1220 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1221 | e -= s - 1; |
|
|
1222 | } |
|
|
1223 | } |
|
|
1224 | |
|
|
1225 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1226 | e += 127 - 15; |
|
|
1227 | |
|
|
1228 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1229 | } |
|
|
1230 | |
|
|
1231 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1232 | ecb_function_ ecb_const uint16_t |
|
|
1233 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1234 | { |
|
|
1235 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1236 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1237 | unsigned int m = x & 0x007fffff; |
|
|
1238 | |
|
|
1239 | x &= 0x7fffffff; |
|
|
1240 | |
|
|
1241 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1242 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1243 | { |
|
|
1244 | /* mantissa round-to-even */ |
|
|
1245 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1246 | |
|
|
1247 | /* handle overflow */ |
|
|
1248 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1249 | { |
|
|
1250 | m >>= 1; |
|
|
1251 | e += 1; |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | /* handle large numbers and infinity */ |
|
|
1258 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1259 | return s | 0x7c00; |
|
|
1260 | |
|
|
1261 | /* handle zero, subnormals and small numbers */ |
|
|
1262 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1263 | { |
|
|
1264 | /* zero */ |
|
|
1265 | if (ecb_expect_true (!x)) |
|
|
1266 | return s; |
|
|
1267 | |
|
|
1268 | /* handle subnormals */ |
|
|
1269 | |
|
|
1270 | /* too small, will be zero */ |
|
|
1271 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1272 | return s; |
|
|
1273 | |
|
|
1274 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1275 | |
|
|
1276 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1277 | { |
|
|
1278 | unsigned int bits = 14 - e; |
|
|
1279 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1280 | unsigned int even = (m >> bits) & 1; |
|
|
1281 | |
|
|
1282 | /* if this overflows, we will end up with a normalised number */ |
|
|
1283 | m = (m + half + even) >> bits; |
|
|
1284 | } |
|
|
1285 | |
|
|
1286 | return s | m; |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1290 | m >>= 13; |
|
|
1291 | |
|
|
1292 | return s | 0x7c00 | m | !m; |
|
|
1293 | } |
|
|
1294 | |
1091 | /*******************************************************************************/ |
1295 | /*******************************************************************************/ |
1092 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1296 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1093 | |
1297 | |
1094 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1298 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1095 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1299 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1096 | #if 0 \ |
1300 | #if 0 \ |
1097 | || __i386 || __i386__ \ |
1301 | || __i386 || __i386__ \ |
1098 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1302 | || ECB_GCC_AMD64 \ |
1099 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1303 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1100 | || defined __s390__ || defined __s390x__ \ |
1304 | || defined __s390__ || defined __s390x__ \ |
1101 | || defined __mips__ \ |
1305 | || defined __mips__ \ |
1102 | || defined __alpha__ \ |
1306 | || defined __alpha__ \ |
1103 | || defined __hppa__ \ |
1307 | || defined __hppa__ \ |
1104 | || defined __ia64__ \ |
1308 | || defined __ia64__ \ |
1105 | || defined __m68k__ \ |
1309 | || defined __m68k__ \ |
1106 | || defined __m88k__ \ |
1310 | || defined __m88k__ \ |
1107 | || defined __sh__ \ |
1311 | || defined __sh__ \ |
1108 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ |
1312 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1109 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1313 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1110 | || defined __aarch64__ |
1314 | || defined __aarch64__ |
1111 | #define ECB_STDFP 1 |
1315 | #define ECB_STDFP 1 |
1112 | #include <string.h> /* for memcpy */ |
1316 | #include <string.h> /* for memcpy */ |
1113 | #else |
1317 | #else |
… | |
… | |
1129 | #define ECB_NAN NAN |
1333 | #define ECB_NAN NAN |
1130 | #else |
1334 | #else |
1131 | #define ECB_NAN ECB_INFINITY |
1335 | #define ECB_NAN ECB_INFINITY |
1132 | #endif |
1336 | #endif |
1133 | |
1337 | |
1134 | /* converts an ieee half/binary16 to a float */ |
1338 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1135 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1339 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1136 | ecb_function_ float |
1340 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1137 | ecb_binary16_to_float (uint16_t x) |
1341 | #else |
1138 | { |
1342 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1139 | int e = (x >> 10) & 0x1f; |
1343 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1140 | int m = x & 0x3ff; |
1344 | #endif |
1141 | float r; |
|
|
1142 | |
|
|
1143 | if (!e ) r = ldexpf (m , -24); |
|
|
1144 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1145 | else if (m ) r = ECB_NAN; |
|
|
1146 | else r = ECB_INFINITY; |
|
|
1147 | |
|
|
1148 | return x & 0x8000 ? -r : r; |
|
|
1149 | } |
|
|
1150 | |
1345 | |
1151 | /* convert a float to ieee single/binary32 */ |
1346 | /* convert a float to ieee single/binary32 */ |
1152 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1347 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1153 | ecb_function_ uint32_t |
1348 | ecb_function_ ecb_const uint32_t |
1154 | ecb_float_to_binary32 (float x) |
1349 | ecb_float_to_binary32 (float x) |
1155 | { |
1350 | { |
1156 | uint32_t r; |
1351 | uint32_t r; |
1157 | |
1352 | |
1158 | #if ECB_STDFP |
1353 | #if ECB_STDFP |
… | |
… | |
1165 | if (x == 0e0f ) return 0x00000000U; |
1360 | if (x == 0e0f ) return 0x00000000U; |
1166 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1361 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1167 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1362 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1168 | if (x != x ) return 0x7fbfffffU; |
1363 | if (x != x ) return 0x7fbfffffU; |
1169 | |
1364 | |
1170 | m = frexpf (x, &e) * 0x1000000U; |
1365 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1171 | |
1366 | |
1172 | r = m & 0x80000000U; |
1367 | r = m & 0x80000000U; |
1173 | |
1368 | |
1174 | if (r) |
1369 | if (r) |
1175 | m = -m; |
1370 | m = -m; |
… | |
… | |
1187 | |
1382 | |
1188 | return r; |
1383 | return r; |
1189 | } |
1384 | } |
1190 | |
1385 | |
1191 | /* converts an ieee single/binary32 to a float */ |
1386 | /* converts an ieee single/binary32 to a float */ |
1192 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1387 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1193 | ecb_function_ float |
1388 | ecb_function_ ecb_const float |
1194 | ecb_binary32_to_float (uint32_t x) |
1389 | ecb_binary32_to_float (uint32_t x) |
1195 | { |
1390 | { |
1196 | float r; |
1391 | float r; |
1197 | |
1392 | |
1198 | #if ECB_STDFP |
1393 | #if ECB_STDFP |
… | |
… | |
1208 | x |= 0x800000U; |
1403 | x |= 0x800000U; |
1209 | else |
1404 | else |
1210 | e = 1; |
1405 | e = 1; |
1211 | |
1406 | |
1212 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1407 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1213 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1408 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1214 | |
1409 | |
1215 | r = neg ? -r : r; |
1410 | r = neg ? -r : r; |
1216 | #endif |
1411 | #endif |
1217 | |
1412 | |
1218 | return r; |
1413 | return r; |
1219 | } |
1414 | } |
1220 | |
1415 | |
1221 | /* convert a double to ieee double/binary64 */ |
1416 | /* convert a double to ieee double/binary64 */ |
1222 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1417 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1223 | ecb_function_ uint64_t |
1418 | ecb_function_ ecb_const uint64_t |
1224 | ecb_double_to_binary64 (double x) |
1419 | ecb_double_to_binary64 (double x) |
1225 | { |
1420 | { |
1226 | uint64_t r; |
1421 | uint64_t r; |
1227 | |
1422 | |
1228 | #if ECB_STDFP |
1423 | #if ECB_STDFP |
… | |
… | |
1257 | |
1452 | |
1258 | return r; |
1453 | return r; |
1259 | } |
1454 | } |
1260 | |
1455 | |
1261 | /* converts an ieee double/binary64 to a double */ |
1456 | /* converts an ieee double/binary64 to a double */ |
1262 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1457 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1263 | ecb_function_ double |
1458 | ecb_function_ ecb_const double |
1264 | ecb_binary64_to_double (uint64_t x) |
1459 | ecb_binary64_to_double (uint64_t x) |
1265 | { |
1460 | { |
1266 | double r; |
1461 | double r; |
1267 | |
1462 | |
1268 | #if ECB_STDFP |
1463 | #if ECB_STDFP |
… | |
… | |
1284 | |
1479 | |
1285 | r = neg ? -r : r; |
1480 | r = neg ? -r : r; |
1286 | #endif |
1481 | #endif |
1287 | |
1482 | |
1288 | return r; |
1483 | return r; |
|
|
1484 | } |
|
|
1485 | |
|
|
1486 | /* convert a float to ieee half/binary16 */ |
|
|
1487 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1488 | ecb_function_ ecb_const uint16_t |
|
|
1489 | ecb_float_to_binary16 (float x) |
|
|
1490 | { |
|
|
1491 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1492 | } |
|
|
1493 | |
|
|
1494 | /* convert an ieee half/binary16 to float */ |
|
|
1495 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1496 | ecb_function_ ecb_const float |
|
|
1497 | ecb_binary16_to_float (uint16_t x) |
|
|
1498 | { |
|
|
1499 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1289 | } |
1500 | } |
1290 | |
1501 | |
1291 | #endif |
1502 | #endif |
1292 | |
1503 | |
1293 | #endif |
1504 | #endif |
… | |
… | |
1318 | #define inline_size ecb_inline |
1529 | #define inline_size ecb_inline |
1319 | |
1530 | |
1320 | #if EV_FEATURE_CODE |
1531 | #if EV_FEATURE_CODE |
1321 | # define inline_speed ecb_inline |
1532 | # define inline_speed ecb_inline |
1322 | #else |
1533 | #else |
1323 | # define inline_speed static noinline |
1534 | # define inline_speed noinline static |
1324 | #endif |
1535 | #endif |
1325 | |
1536 | |
1326 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1537 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1327 | |
1538 | |
1328 | #if EV_MINPRI == EV_MAXPRI |
1539 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
1375 | #else |
1586 | #else |
1376 | |
1587 | |
1377 | #include <float.h> |
1588 | #include <float.h> |
1378 | |
1589 | |
1379 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1590 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1591 | noinline |
1380 | static ev_tstamp noinline |
1592 | static ev_tstamp |
1381 | ev_floor (ev_tstamp v) |
1593 | ev_floor (ev_tstamp v) |
1382 | { |
1594 | { |
1383 | /* the choice of shift factor is not terribly important */ |
1595 | /* the choice of shift factor is not terribly important */ |
1384 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1596 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1385 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1417 | |
1629 | |
1418 | #ifdef __linux |
1630 | #ifdef __linux |
1419 | # include <sys/utsname.h> |
1631 | # include <sys/utsname.h> |
1420 | #endif |
1632 | #endif |
1421 | |
1633 | |
1422 | static unsigned int noinline ecb_cold |
1634 | noinline ecb_cold |
|
|
1635 | static unsigned int |
1423 | ev_linux_version (void) |
1636 | ev_linux_version (void) |
1424 | { |
1637 | { |
1425 | #ifdef __linux |
1638 | #ifdef __linux |
1426 | unsigned int v = 0; |
1639 | unsigned int v = 0; |
1427 | struct utsname buf; |
1640 | struct utsname buf; |
… | |
… | |
1456 | } |
1669 | } |
1457 | |
1670 | |
1458 | /*****************************************************************************/ |
1671 | /*****************************************************************************/ |
1459 | |
1672 | |
1460 | #if EV_AVOID_STDIO |
1673 | #if EV_AVOID_STDIO |
1461 | static void noinline ecb_cold |
1674 | noinline ecb_cold |
|
|
1675 | static void |
1462 | ev_printerr (const char *msg) |
1676 | ev_printerr (const char *msg) |
1463 | { |
1677 | { |
1464 | write (STDERR_FILENO, msg, strlen (msg)); |
1678 | write (STDERR_FILENO, msg, strlen (msg)); |
1465 | } |
1679 | } |
1466 | #endif |
1680 | #endif |
1467 | |
1681 | |
1468 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1682 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1469 | |
1683 | |
1470 | void ecb_cold |
1684 | ecb_cold |
|
|
1685 | void |
1471 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1686 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1472 | { |
1687 | { |
1473 | syserr_cb = cb; |
1688 | syserr_cb = cb; |
1474 | } |
1689 | } |
1475 | |
1690 | |
1476 | static void noinline ecb_cold |
1691 | noinline ecb_cold |
|
|
1692 | static void |
1477 | ev_syserr (const char *msg) |
1693 | ev_syserr (const char *msg) |
1478 | { |
1694 | { |
1479 | if (!msg) |
1695 | if (!msg) |
1480 | msg = "(libev) system error"; |
1696 | msg = "(libev) system error"; |
1481 | |
1697 | |
… | |
… | |
1512 | return 0; |
1728 | return 0; |
1513 | } |
1729 | } |
1514 | |
1730 | |
1515 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1731 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1516 | |
1732 | |
1517 | void ecb_cold |
1733 | ecb_cold |
|
|
1734 | void |
1518 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1735 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1519 | { |
1736 | { |
1520 | alloc = cb; |
1737 | alloc = cb; |
1521 | } |
1738 | } |
1522 | |
1739 | |
… | |
… | |
1691 | struct timespec ts; |
1908 | struct timespec ts; |
1692 | |
1909 | |
1693 | EV_TS_SET (ts, delay); |
1910 | EV_TS_SET (ts, delay); |
1694 | nanosleep (&ts, 0); |
1911 | nanosleep (&ts, 0); |
1695 | #elif defined _WIN32 |
1912 | #elif defined _WIN32 |
|
|
1913 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1914 | /* compared to select (µs) or nanosleep (ns) */ |
1696 | Sleep ((unsigned long)(delay * 1e3)); |
1915 | Sleep ((unsigned long)(delay * 1e3)); |
1697 | #else |
1916 | #else |
1698 | struct timeval tv; |
1917 | struct timeval tv; |
1699 | |
1918 | |
1700 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1919 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1731 | } |
1950 | } |
1732 | |
1951 | |
1733 | return ncur; |
1952 | return ncur; |
1734 | } |
1953 | } |
1735 | |
1954 | |
1736 | static void * noinline ecb_cold |
1955 | noinline ecb_cold |
|
|
1956 | static void * |
1737 | array_realloc (int elem, void *base, int *cur, int cnt) |
1957 | array_realloc (int elem, void *base, int *cur, int cnt) |
1738 | { |
1958 | { |
1739 | *cur = array_nextsize (elem, *cur, cnt); |
1959 | *cur = array_nextsize (elem, *cur, cnt); |
1740 | return ev_realloc (base, elem * *cur); |
1960 | return ev_realloc (base, elem * *cur); |
1741 | } |
1961 | } |
… | |
… | |
1744 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1745 | |
1965 | |
1746 | #define array_needsize(type,base,cur,cnt,init) \ |
1966 | #define array_needsize(type,base,cur,cnt,init) \ |
1747 | if (expect_false ((cnt) > (cur))) \ |
1967 | if (expect_false ((cnt) > (cur))) \ |
1748 | { \ |
1968 | { \ |
1749 | int ecb_unused ocur_ = (cur); \ |
1969 | ecb_unused int ocur_ = (cur); \ |
1750 | (base) = (type *)array_realloc \ |
1970 | (base) = (type *)array_realloc \ |
1751 | (sizeof (type), (base), &(cur), (cnt)); \ |
1971 | (sizeof (type), (base), &(cur), (cnt)); \ |
1752 | init ((base) + (ocur_), (cur) - ocur_); \ |
1972 | init ((base) + (ocur_), (cur) - ocur_); \ |
1753 | } |
1973 | } |
1754 | |
1974 | |
… | |
… | |
1766 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1986 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1767 | |
1987 | |
1768 | /*****************************************************************************/ |
1988 | /*****************************************************************************/ |
1769 | |
1989 | |
1770 | /* dummy callback for pending events */ |
1990 | /* dummy callback for pending events */ |
1771 | static void noinline |
1991 | noinline |
|
|
1992 | static void |
1772 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1993 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1773 | { |
1994 | { |
1774 | } |
1995 | } |
1775 | |
1996 | |
1776 | void noinline |
1997 | noinline |
|
|
1998 | void |
1777 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1999 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1778 | { |
2000 | { |
1779 | W w_ = (W)w; |
2001 | W w_ = (W)w; |
1780 | int pri = ABSPRI (w_); |
2002 | int pri = ABSPRI (w_); |
1781 | |
2003 | |
… | |
… | |
1911 | |
2133 | |
1912 | fdchangecnt = 0; |
2134 | fdchangecnt = 0; |
1913 | } |
2135 | } |
1914 | |
2136 | |
1915 | /* something about the given fd changed */ |
2137 | /* something about the given fd changed */ |
1916 | inline_size void |
2138 | inline_size |
|
|
2139 | void |
1917 | fd_change (EV_P_ int fd, int flags) |
2140 | fd_change (EV_P_ int fd, int flags) |
1918 | { |
2141 | { |
1919 | unsigned char reify = anfds [fd].reify; |
2142 | unsigned char reify = anfds [fd].reify; |
1920 | anfds [fd].reify |= flags; |
2143 | anfds [fd].reify |= flags; |
1921 | |
2144 | |
… | |
… | |
1926 | fdchanges [fdchangecnt - 1] = fd; |
2149 | fdchanges [fdchangecnt - 1] = fd; |
1927 | } |
2150 | } |
1928 | } |
2151 | } |
1929 | |
2152 | |
1930 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2153 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1931 | inline_speed void ecb_cold |
2154 | inline_speed ecb_cold void |
1932 | fd_kill (EV_P_ int fd) |
2155 | fd_kill (EV_P_ int fd) |
1933 | { |
2156 | { |
1934 | ev_io *w; |
2157 | ev_io *w; |
1935 | |
2158 | |
1936 | while ((w = (ev_io *)anfds [fd].head)) |
2159 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1939 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2162 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1940 | } |
2163 | } |
1941 | } |
2164 | } |
1942 | |
2165 | |
1943 | /* check whether the given fd is actually valid, for error recovery */ |
2166 | /* check whether the given fd is actually valid, for error recovery */ |
1944 | inline_size int ecb_cold |
2167 | inline_size ecb_cold int |
1945 | fd_valid (int fd) |
2168 | fd_valid (int fd) |
1946 | { |
2169 | { |
1947 | #ifdef _WIN32 |
2170 | #ifdef _WIN32 |
1948 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2171 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1949 | #else |
2172 | #else |
1950 | return fcntl (fd, F_GETFD) != -1; |
2173 | return fcntl (fd, F_GETFD) != -1; |
1951 | #endif |
2174 | #endif |
1952 | } |
2175 | } |
1953 | |
2176 | |
1954 | /* called on EBADF to verify fds */ |
2177 | /* called on EBADF to verify fds */ |
1955 | static void noinline ecb_cold |
2178 | noinline ecb_cold |
|
|
2179 | static void |
1956 | fd_ebadf (EV_P) |
2180 | fd_ebadf (EV_P) |
1957 | { |
2181 | { |
1958 | int fd; |
2182 | int fd; |
1959 | |
2183 | |
1960 | for (fd = 0; fd < anfdmax; ++fd) |
2184 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1962 | if (!fd_valid (fd) && errno == EBADF) |
2186 | if (!fd_valid (fd) && errno == EBADF) |
1963 | fd_kill (EV_A_ fd); |
2187 | fd_kill (EV_A_ fd); |
1964 | } |
2188 | } |
1965 | |
2189 | |
1966 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2190 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1967 | static void noinline ecb_cold |
2191 | noinline ecb_cold |
|
|
2192 | static void |
1968 | fd_enomem (EV_P) |
2193 | fd_enomem (EV_P) |
1969 | { |
2194 | { |
1970 | int fd; |
2195 | int fd; |
1971 | |
2196 | |
1972 | for (fd = anfdmax; fd--; ) |
2197 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1976 | break; |
2201 | break; |
1977 | } |
2202 | } |
1978 | } |
2203 | } |
1979 | |
2204 | |
1980 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2205 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1981 | static void noinline |
2206 | noinline |
|
|
2207 | static void |
1982 | fd_rearm_all (EV_P) |
2208 | fd_rearm_all (EV_P) |
1983 | { |
2209 | { |
1984 | int fd; |
2210 | int fd; |
1985 | |
2211 | |
1986 | for (fd = 0; fd < anfdmax; ++fd) |
2212 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2167 | |
2393 | |
2168 | /*****************************************************************************/ |
2394 | /*****************************************************************************/ |
2169 | |
2395 | |
2170 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2396 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2171 | |
2397 | |
2172 | static void noinline ecb_cold |
2398 | noinline ecb_cold |
|
|
2399 | static void |
2173 | evpipe_init (EV_P) |
2400 | evpipe_init (EV_P) |
2174 | { |
2401 | { |
2175 | if (!ev_is_active (&pipe_w)) |
2402 | if (!ev_is_active (&pipe_w)) |
2176 | { |
2403 | { |
2177 | int fds [2]; |
2404 | int fds [2]; |
… | |
… | |
2355 | #endif |
2582 | #endif |
2356 | |
2583 | |
2357 | ev_feed_signal (signum); |
2584 | ev_feed_signal (signum); |
2358 | } |
2585 | } |
2359 | |
2586 | |
2360 | void noinline |
2587 | noinline |
|
|
2588 | void |
2361 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2589 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2362 | { |
2590 | { |
2363 | WL w; |
2591 | WL w; |
2364 | |
2592 | |
2365 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2593 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
… | |
… | |
2482 | #endif |
2710 | #endif |
2483 | #if EV_USE_SELECT |
2711 | #if EV_USE_SELECT |
2484 | # include "ev_select.c" |
2712 | # include "ev_select.c" |
2485 | #endif |
2713 | #endif |
2486 | |
2714 | |
2487 | int ecb_cold |
2715 | ecb_cold int |
2488 | ev_version_major (void) EV_THROW |
2716 | ev_version_major (void) EV_THROW |
2489 | { |
2717 | { |
2490 | return EV_VERSION_MAJOR; |
2718 | return EV_VERSION_MAJOR; |
2491 | } |
2719 | } |
2492 | |
2720 | |
2493 | int ecb_cold |
2721 | ecb_cold int |
2494 | ev_version_minor (void) EV_THROW |
2722 | ev_version_minor (void) EV_THROW |
2495 | { |
2723 | { |
2496 | return EV_VERSION_MINOR; |
2724 | return EV_VERSION_MINOR; |
2497 | } |
2725 | } |
2498 | |
2726 | |
2499 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2727 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2500 | int inline_size ecb_cold |
2728 | inline_size ecb_cold int |
2501 | enable_secure (void) |
2729 | enable_secure (void) |
2502 | { |
2730 | { |
2503 | #ifdef _WIN32 |
2731 | #ifdef _WIN32 |
2504 | return 0; |
2732 | return 0; |
2505 | #else |
2733 | #else |
2506 | return getuid () != geteuid () |
2734 | return getuid () != geteuid () |
2507 | || getgid () != getegid (); |
2735 | || getgid () != getegid (); |
2508 | #endif |
2736 | #endif |
2509 | } |
2737 | } |
2510 | |
2738 | |
2511 | unsigned int ecb_cold |
2739 | ecb_cold |
|
|
2740 | unsigned int |
2512 | ev_supported_backends (void) EV_THROW |
2741 | ev_supported_backends (void) EV_THROW |
2513 | { |
2742 | { |
2514 | unsigned int flags = 0; |
2743 | unsigned int flags = 0; |
2515 | |
2744 | |
2516 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2745 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
2520 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2749 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2521 | |
2750 | |
2522 | return flags; |
2751 | return flags; |
2523 | } |
2752 | } |
2524 | |
2753 | |
2525 | unsigned int ecb_cold |
2754 | ecb_cold |
|
|
2755 | unsigned int |
2526 | ev_recommended_backends (void) EV_THROW |
2756 | ev_recommended_backends (void) EV_THROW |
2527 | { |
2757 | { |
2528 | unsigned int flags = ev_supported_backends (); |
2758 | unsigned int flags = ev_supported_backends (); |
2529 | |
2759 | |
2530 | #ifndef __NetBSD__ |
2760 | #ifndef __NetBSD__ |
… | |
… | |
2542 | #endif |
2772 | #endif |
2543 | |
2773 | |
2544 | return flags; |
2774 | return flags; |
2545 | } |
2775 | } |
2546 | |
2776 | |
2547 | unsigned int ecb_cold |
2777 | ecb_cold |
|
|
2778 | unsigned int |
2548 | ev_embeddable_backends (void) EV_THROW |
2779 | ev_embeddable_backends (void) EV_THROW |
2549 | { |
2780 | { |
2550 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2781 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2551 | |
2782 | |
2552 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2783 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
… | |
… | |
2604 | { |
2835 | { |
2605 | invoke_cb = invoke_pending_cb; |
2836 | invoke_cb = invoke_pending_cb; |
2606 | } |
2837 | } |
2607 | |
2838 | |
2608 | void |
2839 | void |
2609 | ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW |
2840 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2610 | { |
2841 | { |
2611 | release_cb = release; |
2842 | release_cb = release; |
2612 | acquire_cb = acquire; |
2843 | acquire_cb = acquire; |
2613 | } |
2844 | } |
2614 | #endif |
2845 | #endif |
2615 | |
2846 | |
2616 | /* initialise a loop structure, must be zero-initialised */ |
2847 | /* initialise a loop structure, must be zero-initialised */ |
2617 | static void noinline ecb_cold |
2848 | noinline ecb_cold |
|
|
2849 | static void |
2618 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2850 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2619 | { |
2851 | { |
2620 | if (!backend) |
2852 | if (!backend) |
2621 | { |
2853 | { |
2622 | origflags = flags; |
2854 | origflags = flags; |
… | |
… | |
2709 | #endif |
2941 | #endif |
2710 | } |
2942 | } |
2711 | } |
2943 | } |
2712 | |
2944 | |
2713 | /* free up a loop structure */ |
2945 | /* free up a loop structure */ |
2714 | void ecb_cold |
2946 | ecb_cold |
|
|
2947 | void |
2715 | ev_loop_destroy (EV_P) |
2948 | ev_loop_destroy (EV_P) |
2716 | { |
2949 | { |
2717 | int i; |
2950 | int i; |
2718 | |
2951 | |
2719 | #if EV_MULTIPLICITY |
2952 | #if EV_MULTIPLICITY |
… | |
… | |
2840 | #if EV_USE_INOTIFY |
3073 | #if EV_USE_INOTIFY |
2841 | infy_fork (EV_A); |
3074 | infy_fork (EV_A); |
2842 | #endif |
3075 | #endif |
2843 | |
3076 | |
2844 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3077 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2845 | if (ev_is_active (&pipe_w)) |
3078 | if (ev_is_active (&pipe_w) && postfork != 2) |
2846 | { |
3079 | { |
2847 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3080 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2848 | |
3081 | |
2849 | ev_ref (EV_A); |
3082 | ev_ref (EV_A); |
2850 | ev_io_stop (EV_A_ &pipe_w); |
3083 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2861 | postfork = 0; |
3094 | postfork = 0; |
2862 | } |
3095 | } |
2863 | |
3096 | |
2864 | #if EV_MULTIPLICITY |
3097 | #if EV_MULTIPLICITY |
2865 | |
3098 | |
|
|
3099 | ecb_cold |
2866 | struct ev_loop * ecb_cold |
3100 | struct ev_loop * |
2867 | ev_loop_new (unsigned int flags) EV_THROW |
3101 | ev_loop_new (unsigned int flags) EV_THROW |
2868 | { |
3102 | { |
2869 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3103 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2870 | |
3104 | |
2871 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3105 | memset (EV_A, 0, sizeof (struct ev_loop)); |
… | |
… | |
2879 | } |
3113 | } |
2880 | |
3114 | |
2881 | #endif /* multiplicity */ |
3115 | #endif /* multiplicity */ |
2882 | |
3116 | |
2883 | #if EV_VERIFY |
3117 | #if EV_VERIFY |
2884 | static void noinline ecb_cold |
3118 | noinline ecb_cold |
|
|
3119 | static void |
2885 | verify_watcher (EV_P_ W w) |
3120 | verify_watcher (EV_P_ W w) |
2886 | { |
3121 | { |
2887 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3122 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2888 | |
3123 | |
2889 | if (w->pending) |
3124 | if (w->pending) |
2890 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3125 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2891 | } |
3126 | } |
2892 | |
3127 | |
2893 | static void noinline ecb_cold |
3128 | noinline ecb_cold |
|
|
3129 | static void |
2894 | verify_heap (EV_P_ ANHE *heap, int N) |
3130 | verify_heap (EV_P_ ANHE *heap, int N) |
2895 | { |
3131 | { |
2896 | int i; |
3132 | int i; |
2897 | |
3133 | |
2898 | for (i = HEAP0; i < N + HEAP0; ++i) |
3134 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2903 | |
3139 | |
2904 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3140 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2905 | } |
3141 | } |
2906 | } |
3142 | } |
2907 | |
3143 | |
2908 | static void noinline ecb_cold |
3144 | noinline ecb_cold |
|
|
3145 | static void |
2909 | array_verify (EV_P_ W *ws, int cnt) |
3146 | array_verify (EV_P_ W *ws, int cnt) |
2910 | { |
3147 | { |
2911 | while (cnt--) |
3148 | while (cnt--) |
2912 | { |
3149 | { |
2913 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3150 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
3002 | #endif |
3239 | #endif |
3003 | } |
3240 | } |
3004 | #endif |
3241 | #endif |
3005 | |
3242 | |
3006 | #if EV_MULTIPLICITY |
3243 | #if EV_MULTIPLICITY |
|
|
3244 | ecb_cold |
3007 | struct ev_loop * ecb_cold |
3245 | struct ev_loop * |
3008 | #else |
3246 | #else |
3009 | int |
3247 | int |
3010 | #endif |
3248 | #endif |
3011 | ev_default_loop (unsigned int flags) EV_THROW |
3249 | ev_default_loop (unsigned int flags) EV_THROW |
3012 | { |
3250 | { |
… | |
… | |
3060 | count += pendingcnt [pri]; |
3298 | count += pendingcnt [pri]; |
3061 | |
3299 | |
3062 | return count; |
3300 | return count; |
3063 | } |
3301 | } |
3064 | |
3302 | |
3065 | void noinline |
3303 | noinline |
|
|
3304 | void |
3066 | ev_invoke_pending (EV_P) |
3305 | ev_invoke_pending (EV_P) |
3067 | { |
3306 | { |
3068 | pendingpri = NUMPRI; |
3307 | pendingpri = NUMPRI; |
3069 | |
3308 | |
3070 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3309 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
… | |
… | |
3145 | } |
3384 | } |
3146 | } |
3385 | } |
3147 | |
3386 | |
3148 | #if EV_PERIODIC_ENABLE |
3387 | #if EV_PERIODIC_ENABLE |
3149 | |
3388 | |
3150 | static void noinline |
3389 | noinline |
|
|
3390 | static void |
3151 | periodic_recalc (EV_P_ ev_periodic *w) |
3391 | periodic_recalc (EV_P_ ev_periodic *w) |
3152 | { |
3392 | { |
3153 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3393 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3154 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3394 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3155 | |
3395 | |
… | |
… | |
3213 | } |
3453 | } |
3214 | } |
3454 | } |
3215 | |
3455 | |
3216 | /* simply recalculate all periodics */ |
3456 | /* simply recalculate all periodics */ |
3217 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3457 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3218 | static void noinline ecb_cold |
3458 | noinline ecb_cold |
|
|
3459 | static void |
3219 | periodics_reschedule (EV_P) |
3460 | periodics_reschedule (EV_P) |
3220 | { |
3461 | { |
3221 | int i; |
3462 | int i; |
3222 | |
3463 | |
3223 | /* adjust periodics after time jump */ |
3464 | /* adjust periodics after time jump */ |
… | |
… | |
3236 | reheap (periodics, periodiccnt); |
3477 | reheap (periodics, periodiccnt); |
3237 | } |
3478 | } |
3238 | #endif |
3479 | #endif |
3239 | |
3480 | |
3240 | /* adjust all timers by a given offset */ |
3481 | /* adjust all timers by a given offset */ |
3241 | static void noinline ecb_cold |
3482 | noinline ecb_cold |
|
|
3483 | static void |
3242 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3484 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3243 | { |
3485 | { |
3244 | int i; |
3486 | int i; |
3245 | |
3487 | |
3246 | for (i = 0; i < timercnt; ++i) |
3488 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3614 | w->active = 0; |
3856 | w->active = 0; |
3615 | } |
3857 | } |
3616 | |
3858 | |
3617 | /*****************************************************************************/ |
3859 | /*****************************************************************************/ |
3618 | |
3860 | |
3619 | void noinline |
3861 | noinline |
|
|
3862 | void |
3620 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3863 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3621 | { |
3864 | { |
3622 | int fd = w->fd; |
3865 | int fd = w->fd; |
3623 | |
3866 | |
3624 | if (expect_false (ev_is_active (w))) |
3867 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3640 | w->events &= ~EV__IOFDSET; |
3883 | w->events &= ~EV__IOFDSET; |
3641 | |
3884 | |
3642 | EV_FREQUENT_CHECK; |
3885 | EV_FREQUENT_CHECK; |
3643 | } |
3886 | } |
3644 | |
3887 | |
3645 | void noinline |
3888 | noinline |
|
|
3889 | void |
3646 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3890 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3647 | { |
3891 | { |
3648 | clear_pending (EV_A_ (W)w); |
3892 | clear_pending (EV_A_ (W)w); |
3649 | if (expect_false (!ev_is_active (w))) |
3893 | if (expect_false (!ev_is_active (w))) |
3650 | return; |
3894 | return; |
… | |
… | |
3659 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3903 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3660 | |
3904 | |
3661 | EV_FREQUENT_CHECK; |
3905 | EV_FREQUENT_CHECK; |
3662 | } |
3906 | } |
3663 | |
3907 | |
3664 | void noinline |
3908 | noinline |
|
|
3909 | void |
3665 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3910 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3666 | { |
3911 | { |
3667 | if (expect_false (ev_is_active (w))) |
3912 | if (expect_false (ev_is_active (w))) |
3668 | return; |
3913 | return; |
3669 | |
3914 | |
… | |
… | |
3683 | EV_FREQUENT_CHECK; |
3928 | EV_FREQUENT_CHECK; |
3684 | |
3929 | |
3685 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3930 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3686 | } |
3931 | } |
3687 | |
3932 | |
3688 | void noinline |
3933 | noinline |
|
|
3934 | void |
3689 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3935 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3690 | { |
3936 | { |
3691 | clear_pending (EV_A_ (W)w); |
3937 | clear_pending (EV_A_ (W)w); |
3692 | if (expect_false (!ev_is_active (w))) |
3938 | if (expect_false (!ev_is_active (w))) |
3693 | return; |
3939 | return; |
… | |
… | |
3713 | ev_stop (EV_A_ (W)w); |
3959 | ev_stop (EV_A_ (W)w); |
3714 | |
3960 | |
3715 | EV_FREQUENT_CHECK; |
3961 | EV_FREQUENT_CHECK; |
3716 | } |
3962 | } |
3717 | |
3963 | |
3718 | void noinline |
3964 | noinline |
|
|
3965 | void |
3719 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3966 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3720 | { |
3967 | { |
3721 | EV_FREQUENT_CHECK; |
3968 | EV_FREQUENT_CHECK; |
3722 | |
3969 | |
3723 | clear_pending (EV_A_ (W)w); |
3970 | clear_pending (EV_A_ (W)w); |
… | |
… | |
3747 | { |
3994 | { |
3748 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3995 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3749 | } |
3996 | } |
3750 | |
3997 | |
3751 | #if EV_PERIODIC_ENABLE |
3998 | #if EV_PERIODIC_ENABLE |
3752 | void noinline |
3999 | noinline |
|
|
4000 | void |
3753 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4001 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3754 | { |
4002 | { |
3755 | if (expect_false (ev_is_active (w))) |
4003 | if (expect_false (ev_is_active (w))) |
3756 | return; |
4004 | return; |
3757 | |
4005 | |
… | |
… | |
3777 | EV_FREQUENT_CHECK; |
4025 | EV_FREQUENT_CHECK; |
3778 | |
4026 | |
3779 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4027 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3780 | } |
4028 | } |
3781 | |
4029 | |
3782 | void noinline |
4030 | noinline |
|
|
4031 | void |
3783 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4032 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3784 | { |
4033 | { |
3785 | clear_pending (EV_A_ (W)w); |
4034 | clear_pending (EV_A_ (W)w); |
3786 | if (expect_false (!ev_is_active (w))) |
4035 | if (expect_false (!ev_is_active (w))) |
3787 | return; |
4036 | return; |
… | |
… | |
3805 | ev_stop (EV_A_ (W)w); |
4054 | ev_stop (EV_A_ (W)w); |
3806 | |
4055 | |
3807 | EV_FREQUENT_CHECK; |
4056 | EV_FREQUENT_CHECK; |
3808 | } |
4057 | } |
3809 | |
4058 | |
3810 | void noinline |
4059 | noinline |
|
|
4060 | void |
3811 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4061 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3812 | { |
4062 | { |
3813 | /* TODO: use adjustheap and recalculation */ |
4063 | /* TODO: use adjustheap and recalculation */ |
3814 | ev_periodic_stop (EV_A_ w); |
4064 | ev_periodic_stop (EV_A_ w); |
3815 | ev_periodic_start (EV_A_ w); |
4065 | ev_periodic_start (EV_A_ w); |
… | |
… | |
3820 | # define SA_RESTART 0 |
4070 | # define SA_RESTART 0 |
3821 | #endif |
4071 | #endif |
3822 | |
4072 | |
3823 | #if EV_SIGNAL_ENABLE |
4073 | #if EV_SIGNAL_ENABLE |
3824 | |
4074 | |
3825 | void noinline |
4075 | noinline |
|
|
4076 | void |
3826 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4077 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3827 | { |
4078 | { |
3828 | if (expect_false (ev_is_active (w))) |
4079 | if (expect_false (ev_is_active (w))) |
3829 | return; |
4080 | return; |
3830 | |
4081 | |
… | |
… | |
3902 | } |
4153 | } |
3903 | |
4154 | |
3904 | EV_FREQUENT_CHECK; |
4155 | EV_FREQUENT_CHECK; |
3905 | } |
4156 | } |
3906 | |
4157 | |
3907 | void noinline |
4158 | noinline |
|
|
4159 | void |
3908 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4160 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3909 | { |
4161 | { |
3910 | clear_pending (EV_A_ (W)w); |
4162 | clear_pending (EV_A_ (W)w); |
3911 | if (expect_false (!ev_is_active (w))) |
4163 | if (expect_false (!ev_is_active (w))) |
3912 | return; |
4164 | return; |
… | |
… | |
3988 | |
4240 | |
3989 | #define DEF_STAT_INTERVAL 5.0074891 |
4241 | #define DEF_STAT_INTERVAL 5.0074891 |
3990 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4242 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3991 | #define MIN_STAT_INTERVAL 0.1074891 |
4243 | #define MIN_STAT_INTERVAL 0.1074891 |
3992 | |
4244 | |
3993 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4245 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3994 | |
4246 | |
3995 | #if EV_USE_INOTIFY |
4247 | #if EV_USE_INOTIFY |
3996 | |
4248 | |
3997 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4249 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3998 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4250 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3999 | |
4251 | |
4000 | static void noinline |
4252 | noinline |
|
|
4253 | static void |
4001 | infy_add (EV_P_ ev_stat *w) |
4254 | infy_add (EV_P_ ev_stat *w) |
4002 | { |
4255 | { |
4003 | w->wd = inotify_add_watch (fs_fd, w->path, |
4256 | w->wd = inotify_add_watch (fs_fd, w->path, |
4004 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4257 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4005 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4258 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4069 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4322 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4070 | ev_timer_again (EV_A_ &w->timer); |
4323 | ev_timer_again (EV_A_ &w->timer); |
4071 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4324 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4072 | } |
4325 | } |
4073 | |
4326 | |
4074 | static void noinline |
4327 | noinline |
|
|
4328 | static void |
4075 | infy_del (EV_P_ ev_stat *w) |
4329 | infy_del (EV_P_ ev_stat *w) |
4076 | { |
4330 | { |
4077 | int slot; |
4331 | int slot; |
4078 | int wd = w->wd; |
4332 | int wd = w->wd; |
4079 | |
4333 | |
… | |
… | |
4086 | |
4340 | |
4087 | /* remove this watcher, if others are watching it, they will rearm */ |
4341 | /* remove this watcher, if others are watching it, they will rearm */ |
4088 | inotify_rm_watch (fs_fd, wd); |
4342 | inotify_rm_watch (fs_fd, wd); |
4089 | } |
4343 | } |
4090 | |
4344 | |
4091 | static void noinline |
4345 | noinline |
|
|
4346 | static void |
4092 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4347 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4093 | { |
4348 | { |
4094 | if (slot < 0) |
4349 | if (slot < 0) |
4095 | /* overflow, need to check for all hash slots */ |
4350 | /* overflow, need to check for all hash slots */ |
4096 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4351 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4132 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4387 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4133 | ofs += sizeof (struct inotify_event) + ev->len; |
4388 | ofs += sizeof (struct inotify_event) + ev->len; |
4134 | } |
4389 | } |
4135 | } |
4390 | } |
4136 | |
4391 | |
4137 | inline_size void ecb_cold |
4392 | inline_size ecb_cold |
|
|
4393 | void |
4138 | ev_check_2625 (EV_P) |
4394 | ev_check_2625 (EV_P) |
4139 | { |
4395 | { |
4140 | /* kernels < 2.6.25 are borked |
4396 | /* kernels < 2.6.25 are borked |
4141 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4397 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4142 | */ |
4398 | */ |
… | |
… | |
4240 | w->attr.st_nlink = 0; |
4496 | w->attr.st_nlink = 0; |
4241 | else if (!w->attr.st_nlink) |
4497 | else if (!w->attr.st_nlink) |
4242 | w->attr.st_nlink = 1; |
4498 | w->attr.st_nlink = 1; |
4243 | } |
4499 | } |
4244 | |
4500 | |
4245 | static void noinline |
4501 | noinline |
|
|
4502 | static void |
4246 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4503 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4247 | { |
4504 | { |
4248 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4505 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4249 | |
4506 | |
4250 | ev_statdata prev = w->attr; |
4507 | ev_statdata prev = w->attr; |
… | |
… | |
4460 | EV_FREQUENT_CHECK; |
4717 | EV_FREQUENT_CHECK; |
4461 | } |
4718 | } |
4462 | #endif |
4719 | #endif |
4463 | |
4720 | |
4464 | #if EV_EMBED_ENABLE |
4721 | #if EV_EMBED_ENABLE |
4465 | void noinline |
4722 | noinline |
|
|
4723 | void |
4466 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4724 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4467 | { |
4725 | { |
4468 | ev_run (w->other, EVRUN_NOWAIT); |
4726 | ev_run (w->other, EVRUN_NOWAIT); |
4469 | } |
4727 | } |
4470 | |
4728 | |
… | |
… | |
4767 | } |
5025 | } |
4768 | |
5026 | |
4769 | /*****************************************************************************/ |
5027 | /*****************************************************************************/ |
4770 | |
5028 | |
4771 | #if EV_WALK_ENABLE |
5029 | #if EV_WALK_ENABLE |
4772 | void ecb_cold |
5030 | ecb_cold |
|
|
5031 | void |
4773 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5032 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4774 | { |
5033 | { |
4775 | int i, j; |
5034 | int i, j; |
4776 | ev_watcher_list *wl, *wn; |
5035 | ev_watcher_list *wl, *wn; |
4777 | |
5036 | |