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Comparing libev/ev.c (file contents):
Revision 1.457 by root, Thu Sep 5 18:45:29 2013 UTC vs.
Revision 1.460 by root, Tue Oct 29 12:53:38 2013 UTC

241#elif defined SIGARRAYSIZE 241#elif defined SIGARRAYSIZE
242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243#elif defined _sys_nsig 243#elif defined _sys_nsig
244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245#else 245#else
246# error "unable to find value for NSIG, please report" 246# define EV_NSIG (8 * sizeof (sigset_t) + 1)
247/* to make it compile regardless, just remove the above line, */
248/* but consider reporting it, too! :) */
249# define EV_NSIG 65
250#endif 247#endif
251 248
252#ifndef EV_USE_FLOOR 249#ifndef EV_USE_FLOOR
253# define EV_USE_FLOOR 0 250# define EV_USE_FLOOR 0
254#endif 251#endif
255 252
256#ifndef EV_USE_CLOCK_SYSCALL 253#ifndef EV_USE_CLOCK_SYSCALL
257# if __linux && __GLIBC__ >= 2 254# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS 255# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259# else 256# else
260# define EV_USE_CLOCK_SYSCALL 0 257# define EV_USE_CLOCK_SYSCALL 0
261# endif 258# endif
262#endif 259#endif
551 #endif 548 #endif
552#endif 549#endif
553 550
554/* work around x32 idiocy by defining proper macros */ 551/* work around x32 idiocy by defining proper macros */
555#if __x86_64 || _M_AMD64 552#if __x86_64 || _M_AMD64
556 #if __ILP32 553 #if _ILP32
557 #define ECB_AMD64_X32 1 554 #define ECB_AMD64_X32 1
558 #else 555 #else
559 #define ECB_AMD64 1 556 #define ECB_AMD64 1
560 #endif 557 #endif
561#endif 558#endif
627 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 624 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
628 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 625 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
629 #elif defined __s390__ || defined __s390x__ 626 #elif defined __s390__ || defined __s390x__
630 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 627 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
631 #elif defined __mips__ 628 #elif defined __mips__
632 /* GNU/Linux emulates sync on mips1 architectures, so we force it's use */ 629 /* GNU/Linux emulates sync on mips1 architectures, so we force its use */
633 /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ 630 /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
634 #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") 631 #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
635 #elif defined __alpha__ 632 #elif defined __alpha__
636 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") 633 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
637 #elif defined __hppa__ 634 #elif defined __hppa__
1067 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 1064 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
1068 #define ECB_STDFP 1 1065 #define ECB_STDFP 1
1069 #include <string.h> /* for memcpy */ 1066 #include <string.h> /* for memcpy */
1070#else 1067#else
1071 #define ECB_STDFP 0 1068 #define ECB_STDFP 0
1072 #include <math.h> /* for frexp*, ldexp* */
1073#endif 1069#endif
1074 1070
1075#ifndef ECB_NO_LIBM 1071#ifndef ECB_NO_LIBM
1072
1073 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1074
1075 #ifdef NEN
1076 #define ECB_NAN NAN
1077 #else
1078 #define ECB_NAN INFINITY
1079 #endif
1080
1081 /* converts an ieee half/binary16 to a float */
1082 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
1083 ecb_function_ float
1084 ecb_binary16_to_float (uint16_t x)
1085 {
1086 int e = (x >> 10) & 0x1f;
1087 int m = x & 0x3ff;
1088 float r;
1089
1090 if (!e ) r = ldexpf (m , -24);
1091 else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1092 else if (m ) r = ECB_NAN;
1093 else r = INFINITY;
1094
1095 return x & 0x8000 ? -r : r;
1096 }
1076 1097
1077 /* convert a float to ieee single/binary32 */ 1098 /* convert a float to ieee single/binary32 */
1078 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; 1099 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
1079 ecb_function_ uint32_t 1100 ecb_function_ uint32_t
1080 ecb_float_to_binary32 (float x) 1101 ecb_float_to_binary32 (float x)

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