1 #ifndef __CONFIG_H 2 #define __CONFIG_H 3 4 #ifdef __APPLE__ 5 #include <AvailabilityMacros.h> 6 #endif 7 8 /* Define redis_fstat to fstat or fstat64() */ 9 #if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6) 10 #define redis_fstat fstat64 11 #define redis_stat stat64 12 #else 13 #define redis_fstat fstat 14 #define redis_stat stat 15 #endif 16 17 /* Test for proc filesystem */ 18 #ifdef __linux__ 19 #define HAVE_PROCFS 1 20 #endif 21 22 /* Test for task_info() */ 23 #if defined(__APPLE__) 24 #define HAVE_TASKINFO 1 25 #endif 26 27 /* Test for backtrace() */ 28 #if defined(__APPLE__) || defined(__linux__) 29 #define HAVE_BACKTRACE 1 30 #endif 31 32 /* Test for polling API */ 33 #ifdef __linux__ 34 #define HAVE_EPOLL 1 35 #endif 36 37 #if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__) 38 #define HAVE_KQUEUE 1 39 #endif 40 41 /* Define aof_fsync to fdatasync() in Linux and fsync() for all the rest */ 42 #ifdef __linux__ 43 #define aof_fsync fdatasync 44 #else 45 #define aof_fsync fsync 46 #endif 47 48 /* Byte ordering detection */ 49 #include <sys/types.h> /* This will likely define BYTE_ORDER */ 50 51 #ifndef BYTE_ORDER 52 #if (BSD >= 199103) 53 # include <machine/endian.h> 54 #else 55 #if defined(linux) || defined(__linux__) 56 # include <endian.h> 57 #else 58 #define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */ 59 #define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ 60 #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/ 61 62 #if defined(vax) || defined(ns32000) || defined(sun386) || defined(__i386__) || \ 63 defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \ 64 defined(__alpha__) || defined(__alpha) 65 #define BYTE_ORDER LITTLE_ENDIAN 66 #endif 67 68 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \ 69 defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \ 70 defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\ 71 defined(apollo) || defined(__convex__) || defined(_CRAY) || \ 72 defined(__hppa) || defined(__hp9000) || \ 73 defined(__hp9000s300) || defined(__hp9000s700) || \ 74 defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) 75 #define BYTE_ORDER BIG_ENDIAN 76 #endif 77 #endif /* linux */ 78 #endif /* BSD */ 79 #endif /* BYTE_ORDER */ 80 81 #if defined(__BYTE_ORDER) && !defined(BYTE_ORDER) 82 #if (__BYTE_ORDER == __LITTLE_ENDIAN) 83 #define BYTE_ORDER LITTLE_ENDIAN 84 #else 85 #define BYTE_ORDER BIG_ENDIAN 86 #endif 87 #endif 88 89 #if !defined(BYTE_ORDER) || \ 90 (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN) 91 /* you must determine what the correct bit order is for 92 * your compiler - the next line is an intentional error 93 * which will force your compiles to bomb until you fix 94 * the above macros. 95 */ 96 #error "Undefined or invalid BYTE_ORDER" 97 #endif 98 99 #endif 100