1/* Thread package specific definitions of stream lock type.  Generic version.
2   Copyright (C) 2000, 2001, 2002 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, write to the Free
17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   02111-1307 USA.  */
19
20#ifndef _BITS_STDIO_LOCK_H
21#define _BITS_STDIO_LOCK_H 1
22
23#include <bits/libc-lock.h>
24
25__libc_lock_define_recursive (typedef, _IO_lock_t)
26
27/* We need recursive (counting) mutexes.  */
28#ifdef _LIBC_LOCK_RECURSIVE_INITIALIZER
29# define _IO_lock_initializer _LIBC_LOCK_RECURSIVE_INITIALIZER
30#elif defined _IO_MTSAFE_IO
31 #error libio needs recursive mutexes for _IO_MTSAFE_IO
32#endif
33
34#define _IO_lock_init(_name)	__libc_lock_init_recursive (_name)
35#define _IO_lock_fini(_name)	__libc_lock_fini_recursive (_name)
36#define _IO_lock_lock(_name)	__libc_lock_lock_recursive (_name)
37#define _IO_lock_trylock(_name)	__libc_lock_trylock_recursive (_name)
38#define _IO_lock_unlock(_name)	__libc_lock_unlock_recursive (_name)
39
40
41#define _IO_cleanup_region_start(_fct, _fp) \
42  __libc_cleanup_region_start (((_fp)->_flags & _IO_USER_LOCK) == 0, _fct, _fp)
43#define _IO_cleanup_region_start_noarg(_fct) \
44  __libc_cleanup_region_start (1, _fct, NULL)
45#define _IO_cleanup_region_end(_doit) \
46  __libc_cleanup_region_end (_doit)
47
48
49#endif /* bits/stdio-lock.h */
50