1 /* libguestfs - the guestfsd daemon
2 * Copyright (C) 2009 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 static int sync_win32 (void);
38 if (sync_disks () == -1) {
39 reply_with_perror ("sync");
46 /* This is a replacement for sync(2) which is called from
47 * this file and from other places in the daemon. It works
53 #if defined(HAVE_SYNC)
58 #error "no known sync() API"
68 n1 = GetLogicalDriveStrings (0, NULL);
72 TCHAR buffer[n1+2]; /* sic */
73 n2 = GetLogicalDriveStrings (n1, buffer);
79 /* The MSDN example code itself assumes that there is always one
80 * drive in the system. However we will be better than that and not
81 * make the assumption ...
88 fprintf (stderr, "sync_win32: examining drive %s\n", p);
90 /* Ignore removable drives. */
91 drive_type = GetDriveType (p);
92 if (drive_type == DRIVE_FIXED) {
93 /* To open the volume you have to specify the volume name, not
94 * the mount point. MSDN documents use of the constant 50
98 if (!GetVolumeNameForVolumeMountPoint (p, volname, 50))
101 drive = CreateFile (volname, GENERIC_READ|GENERIC_WRITE,
102 FILE_SHARE_READ|FILE_SHARE_WRITE,
103 NULL, OPEN_EXISTING, 0, 0);
104 if (drive == INVALID_HANDLE_VALUE)
107 fprintf (stderr, "sync_win32: flushing %s\n", volname);
110 /* This always fails in Wine:
111 * http://bugs.winehq.org/show_bug.cgi?id=14915
113 r = FlushFileBuffers (drive);
119 /* Skip to next \0 character. */