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1/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <hurd/fd.h>
19
20error_t
21_hurd_fd_close (struct hurd_fd *fd)
22{
23 error_t err;
24
25 HURD_CRITICAL_BEGIN;
26
27 __spin_lock (&fd->port.lock);
28 if (fd->port.port == MACH_PORT_NULL)
29 {
30 __spin_unlock (&fd->port.lock);
31 err = EBADF;
32 }
33 else
34 {
35 /* Clear the descriptor's port cells.
36 This deallocates the ports if noone else is still using them. */
37 _hurd_port_set (&fd->ctty, MACH_PORT_NULL);
38 _hurd_port_locked_set (&fd->port, MACH_PORT_NULL);
39 err = 0;
40 }
41
42 HURD_CRITICAL_END;
43
44 return err;
45}
46

Warning: That file was not part of the compilation database. It may have many parsing errors.