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Comparing libev/ev.c (file contents):
Revision 1.452 by root, Mon Feb 18 03:20:29 2013 UTC vs.
Revision 1.458 by root, Sun Oct 27 16:26:07 2013 UTC

… …
515 515
516#ifndef ECB_H 516#ifndef ECB_H
517#define ECB_H 517#define ECB_H
518 518
519/* 16 bits major, 16 bits minor */ 519/* 16 bits major, 16 bits minor */
520#define ECB_VERSION 0x00010002 520#define ECB_VERSION 0x00010003
521 521
522#ifdef _WIN32 522#ifdef _WIN32
523 typedef signed char int8_t; 523 typedef signed char int8_t;
524 typedef unsigned char uint8_t; 524 typedef unsigned char uint8_t;
525 typedef signed short int16_t; 525 typedef signed short int16_t;
… …
549 #else 549 #else
550 #define ECB_PTRSIZE 4 550 #define ECB_PTRSIZE 4
551 #endif 551 #endif
552#endif 552#endif
553 553
554/* work around x32 idiocy by defining proper macros */
555#if __x86_64 || _M_AMD64
556 #if _ILP32
557 #define ECB_AMD64_X32 1
558 #else
559 #define ECB_AMD64 1
560 #endif
561#endif
562
554/* many compilers define _GNUC_ to some versions but then only implement 563/* many compilers define _GNUC_ to some versions but then only implement
555 * what their idiot authors think are the "more important" extensions, 564 * what their idiot authors think are the "more important" extensions,
556 * causing enormous grief in return for some better fake benchmark numbers. 565 * causing enormous grief in return for some better fake benchmark numbers.
557 * or so. 566 * or so.
558 * we try to detect these and simply assume they are not gcc - if they have 567 * we try to detect these and simply assume they are not gcc - if they have
… …
618 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 627 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
619 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 628 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
620 #elif defined __s390__ || defined __s390x__ 629 #elif defined __s390__ || defined __s390x__
621 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 630 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
622 #elif defined __mips__ 631 #elif defined __mips__
632 /* 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. */
623 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 634 #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
624 #elif defined __alpha__ 635 #elif defined __alpha__
625 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") 636 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
626 #elif defined __hppa__ 637 #elif defined __hppa__
627 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") 638 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
628 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 639 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
629 #elif defined __ia64__ 640 #elif defined __ia64__
630 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") 641 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
642 #elif defined __m68k__
643 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
644 #elif defined __m88k__
645 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
646 #elif defined __sh__
647 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
631 #endif 648 #endif
632 #endif 649 #endif
633#endif 650#endif
634 651
635#ifndef ECB_MEMORY_FENCE 652#ifndef ECB_MEMORY_FENCE
… …
1042 || defined __s390__ || defined __s390x__ \ 1059 || defined __s390__ || defined __s390x__ \
1043 || defined __mips__ \ 1060 || defined __mips__ \
1044 || defined __alpha__ \ 1061 || defined __alpha__ \
1045 || defined __hppa__ \ 1062 || defined __hppa__ \
1046 || defined __ia64__ \ 1063 || defined __ia64__ \
1064 || defined __m68k__ \
1065 || defined __m88k__ \
1066 || defined __sh__ \
1047 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 1067 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
1048 #define ECB_STDFP 1 1068 #define ECB_STDFP 1
1049 #include <string.h> /* for memcpy */ 1069 #include <string.h> /* for memcpy */
1050#else 1070#else
1051 #define ECB_STDFP 0 1071 #define ECB_STDFP 0
1052 #include <math.h> /* for frexp*, ldexp* */
1053#endif 1072#endif
1054 1073
1055#ifndef ECB_NO_LIBM 1074#ifndef ECB_NO_LIBM
1075
1076 #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1077
1078 #ifdef NEN
1079 #define ECB_NAN NAN
1080 #else
1081 #define ECB_NAN INFINITY
1082 #endif
1083
1084 /* converts an ieee half/binary16 to a float */
1085 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
1086 ecb_function_ float
1087 ecb_binary16_to_float (uint16_t x)
1088 {
1089 int e = (x >> 10) & 0x1f;
1090 int m = x & 0x3ff;
1091 float r;
1092
1093 if (!e ) r = ldexpf (m , -24);
1094 else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1095 else if (m ) r = ECB_NAN;
1096 else r = INFINITY;
1097
1098 return x & 0x8000 ? -r : r;
1099 }
1056 1100
1057 /* convert a float to ieee single/binary32 */ 1101 /* convert a float to ieee single/binary32 */
1058 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; 1102 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
1059 ecb_function_ uint32_t 1103 ecb_function_ uint32_t
1060 ecb_float_to_binary32 (float x) 1104 ecb_float_to_binary32 (float x)
… …
2095 ev_syserr ("(libev) error creating signal/async pipe"); 2139 ev_syserr ("(libev) error creating signal/async pipe");
2096 2140
2097 fd_intern (fds [0]); 2141 fd_intern (fds [0]);
2098 } 2142 }
2099 2143
2100 fd_intern (fds [1]);
2101
2102 evpipe [0] = fds [0]; 2144 evpipe [0] = fds [0];
2103 2145
2104 if (evpipe [1] < 0) 2146 if (evpipe [1] < 0)
2105 evpipe [1] = fds [1]; /* first call, set write fd */ 2147 evpipe [1] = fds [1]; /* first call, set write fd */
2106 else 2148 else
… …
2111 /* so must not be executed on windows */ 2153 /* so must not be executed on windows */
2112 2154
2113 dup2 (fds [1], evpipe [1]); 2155 dup2 (fds [1], evpipe [1]);
2114 close (fds [1]); 2156 close (fds [1]);
2115 } 2157 }
2158
2159 fd_intern (evpipe [1]);
2116 2160
2117 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); 2161 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2118 ev_io_start (EV_A_ &pipe_w); 2162 ev_io_start (EV_A_ &pipe_w);
2119 ev_unref (EV_A); /* watcher should not keep loop alive */ 2163 ev_unref (EV_A); /* watcher should not keep loop alive */
2120 } 2164 }
… …
2239 2283
2240void 2284void
2241ev_feed_signal (int signum) EV_THROW 2285ev_feed_signal (int signum) EV_THROW
2242{ 2286{
2243#if EV_MULTIPLICITY 2287#if EV_MULTIPLICITY
2288 EV_P;
2244 ECB_MEMORY_FENCE_ACQUIRE; 2289 ECB_MEMORY_FENCE_ACQUIRE;
2245 EV_P = signals [signum - 1].loop; 2290 EV_A = signals [signum - 1].loop;
2246 2291
2247 if (!EV_A) 2292 if (!EV_A)
2248 return; 2293 return;
2249#endif 2294#endif
2250 2295

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