Mercurial > hg > xemacs-beta
view netinstall/mkdir.cc @ 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 | 3078fd1074e8 |
children |
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/* * Copyright (c) 2000, Red Hat, Inc. * * This program 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 of the License, or * (at your option) any later version. * * A copy of the GNU General Public License can be found at * http://www.gnu.org/ * * Written by DJ Delorie <dj@cygnus.com> * */ /* see mkdir.h */ #include "win32.h" #include <stdio.h> #include "mkdir.h" int mkdir_p (int isadir, char *path) { char saved_char, *slash = 0; char *c; DWORD d, gse; d = GetFileAttributes (path); if (d != 0xffffffff && d & FILE_ATTRIBUTE_DIRECTORY) return 0; if (isadir) { if (CreateDirectory (path, 0)) return 0; gse = GetLastError (); if (gse != ERROR_PATH_NOT_FOUND && gse != ERROR_FILE_NOT_FOUND) { if (gse == ERROR_ALREADY_EXISTS) { fprintf (stderr, "warning: deleting \"%s\" so I can make a directory there\n", path); if (DeleteFileA (path)) return mkdir_p (isadir, path); } return 1; } } for (c=path; *c; c++) { if (*c == ':') slash = 0; if (*c == '/' || *c == '\\') slash = c; } if (!slash) return 0; saved_char = *slash; *slash = 0; if (mkdir_p (1, path)) { *slash = saved_char; return 1; } *slash = saved_char; if (!isadir) return 0; return mkdir_p (isadir, path); }