1/* Revoke the access of all descriptors currently open on a file. Hurd version
2 Copyright (C) 1999-2022 Free Software Foundation, Inc.
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
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.
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
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <unistd.h>
20#include <errno.h>
21#include <hurd.h>
22
23int
24__revoke (const char *file_name)
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}
39
40weak_alias (__revoke, revoke)
41

source code of glibc/sysdeps/mach/hurd/revoke.c