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1999-02-16 Roland McGrath <roland@baalperazim.frob.com>

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* sysdeps/mach/hurd/revoke.c: New file.
This commit is contained in:
Roland McGrath 1999-02-16 19:10:02 +00:00
parent 0ef44de62a
commit 78cee1d8dc
1 changed files with 40 additions and 0 deletions
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sysdeps/mach/hurd/revoke.c Normal file
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/* Revoke the access of all descriptors currently open on a file. Hurd version
Copyright (C) 1999 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <unistd.h>
#include <errno.h>
#include <hurd.h>
int
revoke (file_name)
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;
}