+/*
+ * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Redis nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
#ifndef __CONFIG_H
#define __CONFIG_H
#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() */
+/* Define redis_fstat to fstat or fstat64() */
#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
#define redis_fstat fstat64
#define redis_stat stat64
#endif
/* Test for backtrace() */
-#if defined(__APPLE__) || defined(__linux__)
+#if defined(__APPLE__) || defined(__linux__) || defined(__sun)
#define HAVE_BACKTRACE 1
#endif
#define HAVE_KQUEUE 1
#endif
+#ifdef __sun
+#include <sys/feature_tests.h>
+#ifdef _DTRACE_VERSION
+#define HAVE_EVPORT 1
+#endif
+#endif
+
/* Define aof_fsync to fdatasync() in Linux and fsync() for all the rest */
#ifdef __linux__
#define aof_fsync fdatasync
#define aof_fsync fsync
#endif
+/* Define rdb_fsync_range to sync_file_range() on Linux, otherwise we use
+ * the plain fsync() call. */
+#ifdef __linux__
+#include <linux/version.h>
+#include <features.h>
+#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+#if (LINUX_VERSION_CODE >= 0x020611 && __GLIBC_PREREQ(2, 6))
+#define HAVE_SYNC_FILE_RANGE 1
+#endif
+#else
+#if (LINUX_VERSION_CODE >= 0x020611)
+#define HAVE_SYNC_FILE_RANGE 1
+#endif
+#endif
+#endif
+
+#ifdef HAVE_SYNC_FILE_RANGE
+#define rdb_fsync_range(fd,off,size) sync_file_range(fd,off,size,SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE)
+#else
+#define rdb_fsync_range(fd,off,size) fsync(fd)
+#endif
+
/* Byte ordering detection */
#include <sys/types.h> /* This will likely define BYTE_ORDER */
#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
+#if defined(__i386__) || defined(__x86_64__) || defined(__amd64__) || \
+ defined(vax) || defined(ns32000) || defined(sun386) || \
+ 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) || \
#endif
#if !defined(BYTE_ORDER) || \
- (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
- BYTE_ORDER != PDP_ENDIAN)
+ (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
#error "Undefined or invalid BYTE_ORDER"
#endif
+#if (__i386 || __amd64) && __GNUC__
+#define GNUC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
+#if GNUC_VERSION >= 40100
+#define HAVE_ATOMIC
+#endif
+#endif
+
+
#endif