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78cee1d8 | 1 | /* Revoke the access of all descriptors currently open on a file. Hurd version |
bfff8b1b | 2 | Copyright (C) 1999-2017 Free Software Foundation, Inc. |
78cee1d8 RM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
78cee1d8 RM |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
78cee1d8 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
78cee1d8 RM |
18 | |
19 | #include <unistd.h> | |
20 | #include <errno.h> | |
21 | #include <hurd.h> | |
22 | ||
23 | int | |
bd2260a2 | 24 | revoke (const char *file_name) |
78cee1d8 RM |
25 | { |
26 | error_t err; | |
27 | file_t file = __file_name_lookup (file_name, 0, 0); | |
28 | ||
29 | if (file == MACH_PORT_NULL) | |
30 | return -1; | |
31 | ||
32 | err = __io_revoke (file); | |
33 | __mach_port_deallocate (__mach_task_self (), file); | |
34 | ||
35 | if (err) | |
36 | return __hurd_fail (err); | |
37 | return 0; | |
38 | } |