src/config.h

   1 #ifndef __CONFIG_H
   2 #define __CONFIG_H
   3
   4 #ifdef __APPLE__
   5 #include <AvailabilityMacros.h>
   6 #endif
   7
   8 /* Use tcmalloc's malloc_size() when available.
   9  * When tcmalloc is used, native OSX malloc_size() may never be used because
  10  * this expects a different allocation scheme. Therefore, *exclusively* use
  11  * either tcmalloc or OSX's malloc_size()! */
  12 #if defined(USE_TCMALLOC)
  13 #define REDIS_MALLOC "tcmalloc"
  14 #include <google/tcmalloc.h>
  15 #if TC_VERSION_MAJOR >= 1 && TC_VERSION_MINOR >= 6
  16 #define HAVE_MALLOC_SIZE 1
  17 #define redis_malloc_size(p) tc_malloc_size(p)
  18 #endif
  19 #elif defined(USE_JEMALLOC)
  20 #define REDIS_MALLOC "jemalloc"
  21 #define JEMALLOC_MANGLE
  22 #include <jemalloc/jemalloc.h>
  23 #if JEMALLOC_VERSION_MAJOR >= 2 && JEMALLOC_VERSION_MINOR >= 1
  24 #define HAVE_MALLOC_SIZE 1
  25 #define redis_malloc_size(p) JEMALLOC_P(malloc_usable_size)(p)
  26 #endif
  27 #elif defined(__APPLE__)
  28 #include <malloc/malloc.h>
  29 #define HAVE_MALLOC_SIZE 1
  30 #define redis_malloc_size(p) malloc_size(p)
  31 #endif
  32
  33 #ifndef REDIS_MALLOC
  34 #define REDIS_MALLOC "libc"
  35 #endif
  36
  37 /* Define redis_fstat to fstat or fstat64() */
  38 #if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
  39 #define redis_fstat fstat64
  40 #define redis_stat stat64
  41 #else
  42 #define redis_fstat fstat
  43 #define redis_stat stat
  44 #endif
  45
  46 /* Test for proc filesystem */
  47 #ifdef __linux__
  48 #define HAVE_PROCFS 1
  49 #endif
  50
  51 /* Test for task_info() */
  52 #if defined(__APPLE__)
  53 #define HAVE_TASKINFO 1
  54 #endif
  55
  56 /* Test for backtrace() */
  57 #if defined(__APPLE__) || defined(__linux__)
  58 #define HAVE_BACKTRACE 1
  59 #endif
  60
  61 /* Test for polling API */
  62 #ifdef __linux__
  63 #define HAVE_EPOLL 1
  64 #endif
  65
  66 #if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__)
  67 #define HAVE_KQUEUE 1
  68 #endif
  69
  70 /* Define aof_fsync to fdatasync() in Linux and fsync() for all the rest */
  71 #ifdef __linux__
  72 #define aof_fsync fdatasync
  73 #else
  74 #define aof_fsync fsync
  75 #endif
  76
  77 /* Byte ordering detection */
  78 #include <sys/types.h> /* This will likely define BYTE_ORDER */
  79
  80 #ifndef BYTE_ORDER
  81 #if (BSD >= 199103)
  82 # include <machine/endian.h>
  83 #else
  84 #if defined(linux) || defined(__linux__)
  85 # include <endian.h>
  86 #else
  87 #define LITTLE_ENDIAN   1234    /* least-significant byte first (vax, pc) */
  88 #define BIG_ENDIAN      4321    /* most-significant byte first (IBM, net) */
  89 #define PDP_ENDIAN      3412    /* LSB first in word, MSW first in long (pdp)*/
  90
  91 #if defined(vax) || defined(ns32000) || defined(sun386) || defined(__i386__) || \
  92     defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
  93     defined(__alpha__) || defined(__alpha)
  94 #define BYTE_ORDER      LITTLE_ENDIAN
  95 #endif
  96
  97 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
  98     defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
  99     defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
 100     defined(apollo) || defined(__convex__) || defined(_CRAY) || \
 101     defined(__hppa) || defined(__hp9000) || \
 102     defined(__hp9000s300) || defined(__hp9000s700) || \
 103     defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc)
 104 #define BYTE_ORDER      BIG_ENDIAN
 105 #endif
 106 #endif /* linux */
 107 #endif /* BSD */
 108 #endif /* BYTE_ORDER */
 109
 110 #if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
 111 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
 112 #define BYTE_ORDER LITTLE_ENDIAN
 113 #else
 114 #define BYTE_ORDER BIG_ENDIAN
 115 #endif
 116 #endif
 117
 118 #if !defined(BYTE_ORDER) || \
 119     (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN)
 120         /* you must determine what the correct bit order is for
 121          * your compiler - the next line is an intentional error
 122          * which will force your compiles to bomb until you fix
 123          * the above macros.
 124          */
 125 #error "Undefined or invalid BYTE_ORDER"
 126 #endif
 127
 128 #endif