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redict/src/fmacros.h

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BSD license added to every C source and header file.
2012-11-08 12:25:23 -05:00
/*
* 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.
*/
feature macros defined to play well with C99
2009-03-27 17:01:04 -04:00
#ifndef _REDIS_FMACRO_H
#define _REDIS_FMACRO_H
#define _BSD_SOURCE
compilation fix for mac os x
2010-05-02 09:08:06 -04:00
Incrementally flush RDB on disk while loading it from a master. This fixes issue #539. Basically if there is enough free memory the OS may buffer the RDB file that the slave transfers on disk from the master. The file may actually be flused on disk at once by the operating system when it gets closed by Redis, causing the close system call to block for a long time. This patch is a modified version of one provided by yoav-steinberg of @garantiadata (the original version was posted in the issue #539 comments), and tries to flush the OS buffers incrementally (every 8 MB of loaded data).
2012-08-24 13:28:44 -04:00
#if defined(__linux__)
#define _GNU_SOURCE
Silence _BSD_SOURCE warnings in glibc 2.20 and forward See https://sourceware.org/glibc/wiki/Release/2.20#Packaging_Changes
2014-12-04 20:41:59 -05:00
#define _DEFAULT_SOURCE
Incrementally flush RDB on disk while loading it from a master. This fixes issue #539. Basically if there is enough free memory the OS may buffer the RDB file that the slave transfers on disk from the master. The file may actually be flused on disk at once by the operating system when it gets closed by Redis, causing the close system call to block for a long time. This patch is a modified version of one provided by yoav-steinberg of @garantiadata (the original version was posted in the issue #539 comments), and tries to flush the OS buffers incrementally (every 8 MB of loaded data).
2012-08-24 13:28:44 -04:00
#endif
Add support for compiling on AIX Closes #1900
2014-07-29 17:39:37 -04:00
#if defined(_AIX)
#define _ALL_SOURCE
#endif
don't define _XOPEN_SOURCE for NetBSD on NetBSD, defining _XOPEN_SOURCE hides extensions like inet_aton, strcasecmp, etc.
2012-07-19 08:25:30 -04:00
#if defined(__linux__) || defined(__OpenBSD__)
On Linux now fdatasync() is used insetad of fsync() in order to flush the AOF file kernel buffers
2010-05-02 09:05:34 -04:00
#define _XOPEN_SOURCE 700
don't define _XOPEN_SOURCE for NetBSD on NetBSD, defining _XOPEN_SOURCE hides extensions like inet_aton, strcasecmp, etc.
2012-07-19 08:25:30 -04:00
/*
* On NetBSD, _XOPEN_SOURCE undefines _NETBSD_SOURCE and
* thus hides inet_aton etc.
*/
#elif !defined(__NetBSD__)
compilation fix for mac os x
2010-05-02 09:08:06 -04:00
#define _XOPEN_SOURCE
#endif
Fix Solaris compilation due to ctime_r() call. Introduced in Redis 2.8.10 because of a change in Sentinel. This closes issue #1837.
2014-06-30 10:28:22 -04:00
#if defined(__sun)
#define _POSIX_C_SOURCE 199506L
#endif
added the fmacros to enable support for fseeko() lseeko() with 64bit off_t
2010-01-07 15:49:00 -05:00
#define _LARGEFILE_SOURCE
#define _FILE_OFFSET_BITS 64
feature macros defined to play well with C99
2009-03-27 17:01:04 -04:00
Use H/W Monotonic clock and updates to AE (#7644) Update adds a general source for retrieving a monotonic time. In addition, AE has been updated to utilize the new monotonic clock for timer processing. This performance improvement is **not** enabled in a default build due to various H/W compatibility concerns, see README.md for details. It does however change the default use of gettimeofday with clock_gettime and somewhat improves performance. This update provides the following 1. An interface for retrieving a monotonic clock. getMonotonicUs returns a uint64_t (aka monotime) with the number of micro-seconds from an arbitrary point. No more messing with tv_sec/tv_usec. Simple routines are provided for measuring elapsed milli-seconds or elapsed micro-seconds (the most common use case for a monotonic timer). No worries about time moving backwards. 2. High-speed assembler implementation for x86 and ARM. The standard method for retrieving the monotonic clock is POSIX.1b (1993): clock_gettime(CLOCK_MONOTONIC, timespec*). However, most modern processors provide a constant speed instruction clock which can be retrieved in a fraction of the time that it takes to call clock_gettime. For x86, this is provided by the RDTSC instruction. For ARM, this is provided by the CNTVCT_EL0 instruction. As a compile-time option, these high-speed timers can be chosen. (Default is POSIX clock_gettime.) 3. Refactor of event loop timers. The timer processing in ae.c has been refactored to use the new monotonic clock interface. This results in simpler/cleaner logic and improved performance.
2020-08-28 04:54:10 -04:00
#ifdef __linux__
/* features.h uses the defines above to set feature specific defines. */
#include <features.h>
#endif
feature macros defined to play well with C99
2009-03-27 17:01:04 -04:00
#endif
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