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view src/s/bsd4-3.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 | aa5ed11f473b |
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/* Definitions file for XEmacs running on bsd 4.3 Copyright (C) 1985, 1986 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. */ #include "bsd4-2.h" #undef BSD4_2 /* We give these symbols the numeric values found in <sys/param.h> to avoid warnings about redefined macros. */ #ifndef BSD4_3 #define BSD4_3 1 #endif /* BSD4_3 */ #ifdef BSD_WAS_DEFINED #undef BSD #endif #ifndef BSD #define BSD 43 #endif /* BSD */ /* define MAIL_USE_FLOCK if the mailer uses flock to interlock access to /usr/spool/mail/$USER. The alternative is that a lock file named /usr/spool/mail/$USER.lock. */ #define MAIL_USE_FLOCK /* Apparently not needed any more? */ #undef SIGIO_REQUIRES_SEPARATE_PROCESS_GROUP