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view src/s/gnu.h @ 4499:eb82259f265d
Port write-region-inhibit-sync, allowing avoidance of bad FS performance.
See http://shaver.off.net/diary/2008/05/25/fsyncers-and-curveballs/ for more
details.
2008-08-09 Aidan Kehoe <kehoea@parhasard.net>
Integrate Romain Francoise' 2005-09-14 (pre-GPLV3) GNU change,
which can allow much better performace with some stupid
filesystems:
* fileio.c (write_region_inhibit_fsync): New variable.
(Fwrite_region): Use it to skip call to fsync.
(syms_of_fileio): Initialize it.
author | Aidan Kehoe <kehoea@parhasard.net> |
---|---|
date | Sat, 09 Aug 2008 16:44:46 +0200 |
parents | 023b83f4e54b |
children | 308d34e9f07d 861f2601a38b |
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/* Definitions file for XEmacs running on the GNU Hurd. Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. This file is part of XEmacs. XEmacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Synched up with: FSF 19.31. */ /* Get most of the stuff from bsd4.3 */ #include "bsd4-3.h" /* For mem-limits.h. */ #define BSD4_2 #undef SYSTEM_TYPE #define SYSTEM_TYPE "gnu" #define LIBS_DEBUG /* GNU needs its own crt0, and libc defines data_start. */ #define ORDINARY_LINK #define DATA_START ({ extern int data_start; (char *) &data_start; }) /* GNU now always uses the ELF format. */ #define UNEXEC "unexelf.o" /* Some losing code fails to include this and then assumes that because it is braindead that O_RDONLY==0. */ #ifndef NOT_C_CODE #include <fcntl.h> #endif