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/* Revoke the access of all descriptors currently open on a file. Hurd version
Copyright (C) 1999-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <errno.h>
#include <hurd.h>
int
revoke (const char *file_name)
{
error_t err;
file_t file = __file_name_lookup (file_name, 0, 0);
if (file == MACH_PORT_NULL)
return -1;
err = __io_revoke (file);
__mach_port_deallocate (__mach_task_self (), file);
if (err)
return __hurd_fail (err);
return 0;
}
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