… | |
… | |
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 |
… | |
… | |
256 | # else |
256 | # else |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
258 | # endif |
258 | # endif |
259 | #endif |
259 | #endif |
260 | |
260 | |
|
|
261 | #if !(_POSIX_TIMERS > 0) |
|
|
262 | # ifndef EV_USE_MONOTONIC |
|
|
263 | # define EV_USE_MONOTONIC 0 |
|
|
264 | # endif |
|
|
265 | # ifndef EV_USE_REALTIME |
|
|
266 | # define EV_USE_REALTIME 0 |
|
|
267 | # endif |
|
|
268 | #endif |
|
|
269 | |
261 | #ifndef EV_USE_MONOTONIC |
270 | #ifndef EV_USE_MONOTONIC |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
271 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
263 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
272 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
264 | # else |
273 | # else |
265 | # define EV_USE_MONOTONIC 0 |
274 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
482 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
491 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
483 | /* ECB.H BEGIN */ |
492 | /* ECB.H BEGIN */ |
484 | /* |
493 | /* |
485 | * libecb - http://software.schmorp.de/pkg/libecb |
494 | * libecb - http://software.schmorp.de/pkg/libecb |
486 | * |
495 | * |
487 | * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> |
496 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
488 | * Copyright (©) 2011 Emanuele Giaquinta |
497 | * Copyright (©) 2011 Emanuele Giaquinta |
489 | * All rights reserved. |
498 | * All rights reserved. |
490 | * |
499 | * |
491 | * Redistribution and use in source and binary forms, with or without modifica- |
500 | * Redistribution and use in source and binary forms, with or without modifica- |
492 | * tion, are permitted provided that the following conditions are met: |
501 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
506 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
515 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
507 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
516 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
508 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
517 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
509 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
518 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
510 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
519 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
520 | * |
|
|
521 | * Alternatively, the contents of this file may be used under the terms of |
|
|
522 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
523 | * in which case the provisions of the GPL are applicable instead of |
|
|
524 | * the above. If you wish to allow the use of your version of this file |
|
|
525 | * only under the terms of the GPL and not to allow others to use your |
|
|
526 | * version of this file under the BSD license, indicate your decision |
|
|
527 | * by deleting the provisions above and replace them with the notice |
|
|
528 | * and other provisions required by the GPL. If you do not delete the |
|
|
529 | * provisions above, a recipient may use your version of this file under |
|
|
530 | * either the BSD or the GPL. |
511 | */ |
531 | */ |
512 | |
532 | |
513 | #ifndef ECB_H |
533 | #ifndef ECB_H |
514 | #define ECB_H |
534 | #define ECB_H |
515 | |
535 | |
516 | /* 16 bits major, 16 bits minor */ |
536 | /* 16 bits major, 16 bits minor */ |
517 | #define ECB_VERSION 0x00010003 |
537 | #define ECB_VERSION 0x00010004 |
518 | |
538 | |
519 | #ifdef _WIN32 |
539 | #ifdef _WIN32 |
520 | typedef signed char int8_t; |
540 | typedef signed char int8_t; |
521 | typedef unsigned char uint8_t; |
541 | typedef unsigned char uint8_t; |
522 | typedef signed short int16_t; |
542 | typedef signed short int16_t; |
… | |
… | |
562 | * causing enormous grief in return for some better fake benchmark numbers. |
582 | * causing enormous grief in return for some better fake benchmark numbers. |
563 | * or so. |
583 | * or so. |
564 | * we try to detect these and simply assume they are not gcc - if they have |
584 | * we try to detect these and simply assume they are not gcc - if they have |
565 | * an issue with that they should have done it right in the first place. |
585 | * an issue with that they should have done it right in the first place. |
566 | */ |
586 | */ |
567 | #ifndef ECB_GCC_VERSION |
|
|
568 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
587 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
569 | #define ECB_GCC_VERSION(major,minor) 0 |
588 | #define ECB_GCC_VERSION(major,minor) 0 |
570 | #else |
589 | #else |
571 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
590 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
572 | #endif |
591 | #endif |
|
|
592 | |
|
|
593 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
|
|
594 | |
|
|
595 | #if __clang__ && defined __has_builtin |
|
|
596 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
597 | #else |
|
|
598 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
599 | #endif |
|
|
600 | |
|
|
601 | #if __clang__ && defined __has_extension |
|
|
602 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
603 | #else |
|
|
604 | #define ECB_CLANG_EXTENSION(x) 0 |
573 | #endif |
605 | #endif |
574 | |
606 | |
575 | #define ECB_CPP (__cplusplus+0) |
607 | #define ECB_CPP (__cplusplus+0) |
576 | #define ECB_CPP11 (__cplusplus >= 201103L) |
608 | #define ECB_CPP11 (__cplusplus >= 201103L) |
577 | |
609 | |
… | |
… | |
661 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
693 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
662 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
694 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
663 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
695 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
664 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
696 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
665 | |
697 | |
666 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
698 | #elif ECB_CLANG_EXTENSION(c_atomic) |
667 | * without risking compile time errors with other compilers. We *could* |
|
|
668 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
669 | * around this shit time and again. |
|
|
670 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
671 | * // see comment below (stdatomic.h) about the C11 memory model. |
699 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
672 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
700 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
673 | * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
701 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
674 | * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
702 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
675 | */ |
|
|
676 | |
703 | |
677 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
704 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
678 | #define ECB_MEMORY_FENCE __sync_synchronize () |
705 | #define ECB_MEMORY_FENCE __sync_synchronize () |
679 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
706 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
680 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
707 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
743 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
770 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
744 | #endif |
771 | #endif |
745 | |
772 | |
746 | /*****************************************************************************/ |
773 | /*****************************************************************************/ |
747 | |
774 | |
748 | #if __cplusplus |
775 | #if ECB_CPP |
749 | #define ecb_inline static inline |
776 | #define ecb_inline static inline |
750 | #elif ECB_GCC_VERSION(2,5) |
777 | #elif ECB_GCC_VERSION(2,5) |
751 | #define ecb_inline static __inline__ |
778 | #define ecb_inline static __inline__ |
752 | #elif ECB_C99 |
779 | #elif ECB_C99 |
753 | #define ecb_inline static inline |
780 | #define ecb_inline static inline |
… | |
… | |
770 | #define ECB_STRINGIFY_(a) # a |
797 | #define ECB_STRINGIFY_(a) # a |
771 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
798 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
772 | |
799 | |
773 | #define ecb_function_ ecb_inline |
800 | #define ecb_function_ ecb_inline |
774 | |
801 | |
775 | #if ECB_GCC_VERSION(3,1) |
802 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
776 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
803 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
777 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
778 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
779 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
780 | #else |
804 | #else |
781 | #define ecb_attribute(attrlist) |
805 | #define ecb_attribute(attrlist) |
|
|
806 | #endif |
782 | |
807 | |
|
|
808 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
|
|
809 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
810 | #else |
783 | /* possible C11 impl for integral types |
811 | /* possible C11 impl for integral types |
784 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
812 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
785 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
813 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
786 | |
814 | |
787 | #define ecb_is_constant(expr) 0 |
815 | #define ecb_is_constant(expr) 0 |
|
|
816 | #endif |
|
|
817 | |
|
|
818 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
|
|
819 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
820 | #else |
788 | #define ecb_expect(expr,value) (expr) |
821 | #define ecb_expect(expr,value) (expr) |
|
|
822 | #endif |
|
|
823 | |
|
|
824 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
|
|
825 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
826 | #else |
789 | #define ecb_prefetch(addr,rw,locality) |
827 | #define ecb_prefetch(addr,rw,locality) |
790 | #endif |
828 | #endif |
791 | |
829 | |
792 | /* no emulation for ecb_decltype */ |
830 | /* no emulation for ecb_decltype */ |
793 | #if ECB_GCC_VERSION(4,5) |
831 | #if ECB_CPP11 |
|
|
832 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
833 | template<class T> struct ecb_decltype_t { typedef T type; }; |
794 | #define ecb_decltype(x) __decltype(x) |
834 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
795 | #elif ECB_GCC_VERSION(3,0) |
835 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
796 | #define ecb_decltype(x) __typeof(x) |
836 | #define ecb_decltype(x) __typeof__ (x) |
|
|
837 | #endif |
|
|
838 | |
|
|
839 | #if _MSC_VER >= 1300 |
|
|
840 | #define ecb_deprecated __declspec (deprecated) |
|
|
841 | #else |
|
|
842 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
797 | #endif |
843 | #endif |
798 | |
844 | |
799 | #define ecb_noinline ecb_attribute ((__noinline__)) |
845 | #define ecb_noinline ecb_attribute ((__noinline__)) |
800 | #define ecb_unused ecb_attribute ((__unused__)) |
846 | #define ecb_unused ecb_attribute ((__unused__)) |
801 | #define ecb_const ecb_attribute ((__const__)) |
847 | #define ecb_const ecb_attribute ((__const__)) |
802 | #define ecb_pure ecb_attribute ((__pure__)) |
848 | #define ecb_pure ecb_attribute ((__pure__)) |
803 | |
849 | |
804 | #if ECB_C11 |
850 | /* TODO http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ |
|
|
851 | #if ECB_C11 || __IBMC_NORETURN |
|
|
852 | /* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */ |
805 | #define ecb_noreturn _Noreturn |
853 | #define ecb_noreturn _Noreturn |
806 | #else |
854 | #else |
807 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
855 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
808 | #endif |
856 | #endif |
809 | |
857 | |
… | |
… | |
825 | /* for compatibility to the rest of the world */ |
873 | /* for compatibility to the rest of the world */ |
826 | #define ecb_likely(expr) ecb_expect_true (expr) |
874 | #define ecb_likely(expr) ecb_expect_true (expr) |
827 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
875 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
828 | |
876 | |
829 | /* count trailing zero bits and count # of one bits */ |
877 | /* count trailing zero bits and count # of one bits */ |
830 | #if ECB_GCC_VERSION(3,4) |
878 | #if ECB_GCC_VERSION(3,4) \ |
|
|
879 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
880 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
881 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
831 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
882 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
832 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
883 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
833 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
884 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
834 | #define ecb_ctz32(x) __builtin_ctz (x) |
885 | #define ecb_ctz32(x) __builtin_ctz (x) |
835 | #define ecb_ctz64(x) __builtin_ctzll (x) |
886 | #define ecb_ctz64(x) __builtin_ctzll (x) |
836 | #define ecb_popcount32(x) __builtin_popcount (x) |
887 | #define ecb_popcount32(x) __builtin_popcount (x) |
837 | /* no popcountll */ |
888 | /* no popcountll */ |
838 | #else |
889 | #else |
839 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
890 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
840 | ecb_function_ int |
891 | ecb_function_ ecb_const int |
841 | ecb_ctz32 (uint32_t x) |
892 | ecb_ctz32 (uint32_t x) |
842 | { |
893 | { |
843 | int r = 0; |
894 | int r = 0; |
844 | |
895 | |
845 | x &= ~x + 1; /* this isolates the lowest bit */ |
896 | x &= ~x + 1; /* this isolates the lowest bit */ |
… | |
… | |
859 | #endif |
910 | #endif |
860 | |
911 | |
861 | return r; |
912 | return r; |
862 | } |
913 | } |
863 | |
914 | |
864 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
915 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
865 | ecb_function_ int |
916 | ecb_function_ ecb_const int |
866 | ecb_ctz64 (uint64_t x) |
917 | ecb_ctz64 (uint64_t x) |
867 | { |
918 | { |
868 | int shift = x & 0xffffffffU ? 0 : 32; |
919 | int shift = x & 0xffffffffU ? 0 : 32; |
869 | return ecb_ctz32 (x >> shift) + shift; |
920 | return ecb_ctz32 (x >> shift) + shift; |
870 | } |
921 | } |
871 | |
922 | |
872 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
923 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
873 | ecb_function_ int |
924 | ecb_function_ ecb_const int |
874 | ecb_popcount32 (uint32_t x) |
925 | ecb_popcount32 (uint32_t x) |
875 | { |
926 | { |
876 | x -= (x >> 1) & 0x55555555; |
927 | x -= (x >> 1) & 0x55555555; |
877 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
928 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
878 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
929 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
879 | x *= 0x01010101; |
930 | x *= 0x01010101; |
880 | |
931 | |
881 | return x >> 24; |
932 | return x >> 24; |
882 | } |
933 | } |
883 | |
934 | |
884 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
935 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
885 | ecb_function_ int ecb_ld32 (uint32_t x) |
936 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
886 | { |
937 | { |
887 | int r = 0; |
938 | int r = 0; |
888 | |
939 | |
889 | if (x >> 16) { x >>= 16; r += 16; } |
940 | if (x >> 16) { x >>= 16; r += 16; } |
890 | if (x >> 8) { x >>= 8; r += 8; } |
941 | if (x >> 8) { x >>= 8; r += 8; } |
… | |
… | |
893 | if (x >> 1) { r += 1; } |
944 | if (x >> 1) { r += 1; } |
894 | |
945 | |
895 | return r; |
946 | return r; |
896 | } |
947 | } |
897 | |
948 | |
898 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
949 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
899 | ecb_function_ int ecb_ld64 (uint64_t x) |
950 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
900 | { |
951 | { |
901 | int r = 0; |
952 | int r = 0; |
902 | |
953 | |
903 | if (x >> 32) { x >>= 32; r += 32; } |
954 | if (x >> 32) { x >>= 32; r += 32; } |
904 | |
955 | |
905 | return r + ecb_ld32 (x); |
956 | return r + ecb_ld32 (x); |
906 | } |
957 | } |
907 | #endif |
958 | #endif |
908 | |
959 | |
909 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
960 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
910 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
961 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
911 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
962 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
912 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
963 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
913 | |
964 | |
914 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
965 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
915 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
966 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
916 | { |
967 | { |
917 | return ( (x * 0x0802U & 0x22110U) |
968 | return ( (x * 0x0802U & 0x22110U) |
918 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
969 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
919 | } |
970 | } |
920 | |
971 | |
921 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
972 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
922 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
973 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
923 | { |
974 | { |
924 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
975 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
925 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
976 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
926 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
977 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
927 | x = ( x >> 8 ) | ( x << 8); |
978 | x = ( x >> 8 ) | ( x << 8); |
928 | |
979 | |
929 | return x; |
980 | return x; |
930 | } |
981 | } |
931 | |
982 | |
932 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
983 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
933 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
984 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
934 | { |
985 | { |
935 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
986 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
936 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
987 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
937 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
988 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
938 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
989 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
941 | return x; |
992 | return x; |
942 | } |
993 | } |
943 | |
994 | |
944 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
995 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
945 | /* so for this version we are lazy */ |
996 | /* so for this version we are lazy */ |
946 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
997 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
947 | ecb_function_ int |
998 | ecb_function_ ecb_const int |
948 | ecb_popcount64 (uint64_t x) |
999 | ecb_popcount64 (uint64_t x) |
949 | { |
1000 | { |
950 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1001 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
951 | } |
1002 | } |
952 | |
1003 | |
953 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1004 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
954 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1005 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
955 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1006 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
956 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1007 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
957 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1008 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
958 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1009 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
959 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1010 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
960 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1011 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
961 | |
1012 | |
962 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1013 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
963 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1014 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
964 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1015 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
965 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1016 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
966 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1017 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
967 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1018 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
968 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1019 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
969 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1020 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
970 | |
1021 | |
971 | #if ECB_GCC_VERSION(4,3) |
1022 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
972 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1023 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
973 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1024 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
974 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1025 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
975 | #else |
1026 | #else |
976 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1027 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
977 | ecb_function_ uint16_t |
1028 | ecb_function_ ecb_const uint16_t |
978 | ecb_bswap16 (uint16_t x) |
1029 | ecb_bswap16 (uint16_t x) |
979 | { |
1030 | { |
980 | return ecb_rotl16 (x, 8); |
1031 | return ecb_rotl16 (x, 8); |
981 | } |
1032 | } |
982 | |
1033 | |
983 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1034 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
984 | ecb_function_ uint32_t |
1035 | ecb_function_ ecb_const uint32_t |
985 | ecb_bswap32 (uint32_t x) |
1036 | ecb_bswap32 (uint32_t x) |
986 | { |
1037 | { |
987 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1038 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
988 | } |
1039 | } |
989 | |
1040 | |
990 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1041 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
991 | ecb_function_ uint64_t |
1042 | ecb_function_ ecb_const uint64_t |
992 | ecb_bswap64 (uint64_t x) |
1043 | ecb_bswap64 (uint64_t x) |
993 | { |
1044 | { |
994 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1045 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
995 | } |
1046 | } |
996 | #endif |
1047 | #endif |
997 | |
1048 | |
998 | #if ECB_GCC_VERSION(4,5) |
1049 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
999 | #define ecb_unreachable() __builtin_unreachable () |
1050 | #define ecb_unreachable() __builtin_unreachable () |
1000 | #else |
1051 | #else |
1001 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1052 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1002 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1053 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
1003 | ecb_inline void ecb_unreachable (void) { } |
1054 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
1004 | #endif |
1055 | #endif |
1005 | |
1056 | |
1006 | /* try to tell the compiler that some condition is definitely true */ |
1057 | /* try to tell the compiler that some condition is definitely true */ |
1007 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1058 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1008 | |
1059 | |
1009 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1060 | ecb_inline ecb_const unsigned char ecb_byteorder_helper (void); |
1010 | ecb_inline unsigned char |
1061 | ecb_inline ecb_const unsigned char |
1011 | ecb_byteorder_helper (void) |
1062 | ecb_byteorder_helper (void) |
1012 | { |
1063 | { |
1013 | /* the union code still generates code under pressure in gcc, */ |
1064 | /* the union code still generates code under pressure in gcc, */ |
1014 | /* but less than using pointers, and always seems to */ |
1065 | /* but less than using pointers, and always seems to */ |
1015 | /* successfully return a constant. */ |
1066 | /* successfully return a constant. */ |
… | |
… | |
1030 | } u = { 0x11223344 }; |
1081 | } u = { 0x11223344 }; |
1031 | return u.c; |
1082 | return u.c; |
1032 | #endif |
1083 | #endif |
1033 | } |
1084 | } |
1034 | |
1085 | |
1035 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1086 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1036 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1087 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1037 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1088 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1038 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1089 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1039 | |
1090 | |
1040 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1091 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1041 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1092 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1042 | #else |
1093 | #else |
1043 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1094 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1044 | #endif |
1095 | #endif |
1045 | |
1096 | |
1046 | #if __cplusplus |
1097 | #if ECB_CPP |
1047 | template<typename T> |
1098 | template<typename T> |
1048 | static inline T ecb_div_rd (T val, T div) |
1099 | static inline T ecb_div_rd (T val, T div) |
1049 | { |
1100 | { |
1050 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1101 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1051 | } |
1102 | } |
… | |
… | |
1111 | #define ECB_NAN NAN |
1162 | #define ECB_NAN NAN |
1112 | #else |
1163 | #else |
1113 | #define ECB_NAN ECB_INFINITY |
1164 | #define ECB_NAN ECB_INFINITY |
1114 | #endif |
1165 | #endif |
1115 | |
1166 | |
|
|
1167 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1168 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1169 | #else |
|
|
1170 | #define ecb_ldexpf(x,e) (float) ldexp ((x), (e)) |
|
|
1171 | #endif |
|
|
1172 | |
1116 | /* converts an ieee half/binary16 to a float */ |
1173 | /* converts an ieee half/binary16 to a float */ |
1117 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1174 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
1118 | ecb_function_ float |
1175 | ecb_function_ ecb_const float |
1119 | ecb_binary16_to_float (uint16_t x) |
1176 | ecb_binary16_to_float (uint16_t x) |
1120 | { |
1177 | { |
1121 | int e = (x >> 10) & 0x1f; |
1178 | int e = (x >> 10) & 0x1f; |
1122 | int m = x & 0x3ff; |
1179 | int m = x & 0x3ff; |
1123 | float r; |
1180 | float r; |
1124 | |
1181 | |
1125 | if (!e ) r = ldexpf (m , -24); |
1182 | if (!e ) r = ecb_ldexpf (m , -24); |
1126 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
1183 | else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25); |
1127 | else if (m ) r = ECB_NAN; |
1184 | else if (m ) r = ECB_NAN; |
1128 | else r = ECB_INFINITY; |
1185 | else r = ECB_INFINITY; |
1129 | |
1186 | |
1130 | return x & 0x8000 ? -r : r; |
1187 | return x & 0x8000 ? -r : r; |
1131 | } |
1188 | } |
1132 | |
1189 | |
1133 | /* convert a float to ieee single/binary32 */ |
1190 | /* convert a float to ieee single/binary32 */ |
1134 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1191 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1135 | ecb_function_ uint32_t |
1192 | ecb_function_ ecb_const uint32_t |
1136 | ecb_float_to_binary32 (float x) |
1193 | ecb_float_to_binary32 (float x) |
1137 | { |
1194 | { |
1138 | uint32_t r; |
1195 | uint32_t r; |
1139 | |
1196 | |
1140 | #if ECB_STDFP |
1197 | #if ECB_STDFP |
… | |
… | |
1169 | |
1226 | |
1170 | return r; |
1227 | return r; |
1171 | } |
1228 | } |
1172 | |
1229 | |
1173 | /* converts an ieee single/binary32 to a float */ |
1230 | /* converts an ieee single/binary32 to a float */ |
1174 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1231 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1175 | ecb_function_ float |
1232 | ecb_function_ ecb_const float |
1176 | ecb_binary32_to_float (uint32_t x) |
1233 | ecb_binary32_to_float (uint32_t x) |
1177 | { |
1234 | { |
1178 | float r; |
1235 | float r; |
1179 | |
1236 | |
1180 | #if ECB_STDFP |
1237 | #if ECB_STDFP |
… | |
… | |
1190 | x |= 0x800000U; |
1247 | x |= 0x800000U; |
1191 | else |
1248 | else |
1192 | e = 1; |
1249 | e = 1; |
1193 | |
1250 | |
1194 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1251 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1195 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1252 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1196 | |
1253 | |
1197 | r = neg ? -r : r; |
1254 | r = neg ? -r : r; |
1198 | #endif |
1255 | #endif |
1199 | |
1256 | |
1200 | return r; |
1257 | return r; |
1201 | } |
1258 | } |
1202 | |
1259 | |
1203 | /* convert a double to ieee double/binary64 */ |
1260 | /* convert a double to ieee double/binary64 */ |
1204 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1261 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1205 | ecb_function_ uint64_t |
1262 | ecb_function_ ecb_const uint64_t |
1206 | ecb_double_to_binary64 (double x) |
1263 | ecb_double_to_binary64 (double x) |
1207 | { |
1264 | { |
1208 | uint64_t r; |
1265 | uint64_t r; |
1209 | |
1266 | |
1210 | #if ECB_STDFP |
1267 | #if ECB_STDFP |
… | |
… | |
1239 | |
1296 | |
1240 | return r; |
1297 | return r; |
1241 | } |
1298 | } |
1242 | |
1299 | |
1243 | /* converts an ieee double/binary64 to a double */ |
1300 | /* converts an ieee double/binary64 to a double */ |
1244 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1301 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1245 | ecb_function_ double |
1302 | ecb_function_ ecb_const double |
1246 | ecb_binary64_to_double (uint64_t x) |
1303 | ecb_binary64_to_double (uint64_t x) |
1247 | { |
1304 | { |
1248 | double r; |
1305 | double r; |
1249 | |
1306 | |
1250 | #if ECB_STDFP |
1307 | #if ECB_STDFP |
… | |
… | |
2586 | { |
2643 | { |
2587 | invoke_cb = invoke_pending_cb; |
2644 | invoke_cb = invoke_pending_cb; |
2588 | } |
2645 | } |
2589 | |
2646 | |
2590 | void |
2647 | void |
2591 | ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW |
2648 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2592 | { |
2649 | { |
2593 | release_cb = release; |
2650 | release_cb = release; |
2594 | acquire_cb = acquire; |
2651 | acquire_cb = acquire; |
2595 | } |
2652 | } |
2596 | #endif |
2653 | #endif |