/src/dovecot/src/lib/fdatasync-path.c
Line | Count | Source |
1 | | /* Copyright (c) 2008-2018 Dovecot authors, see the included COPYING file */ |
2 | | |
3 | | #include "lib.h" |
4 | | #include "fdatasync-path.h" |
5 | | |
6 | | #include <fcntl.h> |
7 | | #include <unistd.h> |
8 | | |
9 | | int fdatasync_path(const char *path) |
10 | 0 | { |
11 | 0 | int fd, ret = 0; |
12 | | |
13 | | /* Directories need to be opened as read-only. |
14 | | fsync() doesn't appear to care about it. */ |
15 | 0 | fd = open(path, O_RDONLY); |
16 | 0 | if (fd == -1) |
17 | 0 | return -1; |
18 | 0 | if (fdatasync(fd) < 0) { |
19 | | /* Some OSes/FSes don't allow fsyncing directories. Silently |
20 | | ignore the problem. */ |
21 | 0 | if (errno == EBADF) { |
22 | | /* e.g. NetBSD */ |
23 | 0 | } else if (errno == EINVAL) { |
24 | | /* e.g. Linux+CIFS */ |
25 | 0 | } else { |
26 | 0 | ret = -1; |
27 | 0 | } |
28 | 0 | } |
29 | 0 | i_close_fd(&fd); |
30 | 0 | return ret; |
31 | 0 | } |