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#ifndef __CONFIG_H
#define __CONFIG_H
#ifdef __APPLE__
#include <AvailabilityMacros.h>
#endif
/* Use tcmalloc's malloc_size() when available.
* When tcmalloc is used, native OSX malloc_size() may never be used because
* this expects a different allocation scheme. Therefore, *exclusively* use
* either tcmalloc or OSX's malloc_size()! */
#if defined(USE_TCMALLOC)
#include <google/tcmalloc.h>
#if TC_VERSION_MAJOR >= 1 && TC_VERSION_MINOR >= 6
#define HAVE_MALLOC_SIZE 1
#define redis_malloc_size(p) tc_malloc_size(p)
#endif
#elif defined(__APPLE__)
#include <malloc/malloc.h>
#define HAVE_MALLOC_SIZE 1
#define redis_malloc_size(p) malloc_size(p)
#endif
/* Tefine redis_fstat to fstat or fstat64() */
#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
#define redis_fstat fstat64
#define redis_stat stat64
#else
#define redis_fstat fstat
#define redis_stat stat
#endif
/* Test for proc filesystem */
#ifdef __linux__
#define HAVE_PROCFS 1
#endif
/* Test for task_info() */
#if defined(__APPLE__)
#define HAVE_TASKINFO 1
#endif
/* Test for backtrace() */
#if defined(__APPLE__) || defined(__linux__)
#define HAVE_BACKTRACE 1
#endif
/* Test for polling API */
#ifdef __linux__
#define HAVE_EPOLL 1
#endif
#if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__)
#define HAVE_KQUEUE 1
#endif
/* Define aof_fsync to fdatasync() in Linux and fsync() for all the rest */
#ifdef __linux__
#define aof_fsync fdatasync
#else
#define aof_fsync fsync
#endif
/* Byte ordering detection */
#include <sys/types.h> /* This will likely define BYTE_ORDER */
#ifndef BYTE_ORDER
#if (BSD >= 199103)
# include <machine/endian.h>
#else
#if defined(linux) || defined(__linux__)
# include <endian.h>
#else
#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */
#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/
#if defined(vax) || defined(ns32000) || defined(sun386) || defined(__i386__) || \
defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
defined(__alpha__) || defined(__alpha)
#define BYTE_ORDER LITTLE_ENDIAN
#endif
#if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
defined(apollo) || defined(__convex__) || defined(_CRAY) || \
defined(__hppa) || defined(__hp9000) || \
defined(__hp9000s300) || defined(__hp9000s700) || \
defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc)
#define BYTE_ORDER BIG_ENDIAN
#endif
#endif /* linux */
#endif /* BSD */
#endif /* BYTE_ORDER */
#if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
#define BYTE_ORDER LITTLE_ENDIAN
#else
#define BYTE_ORDER BIG_ENDIAN
#endif
#endif
#if !defined(BYTE_ORDER) || \
(BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN)
/* you must determine what the correct bit order is for
* your compiler - the next line is an intentional error
* which will force your compiles to bomb until you fix
* the above macros.
*/
#error "Undefined or invalid BYTE_ORDER"
#endif
#endif
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