* sysdeps/mach/hurd/bits/libc-lock.h: New file, initially copied from
[platform/upstream/glibc.git] / linuxthreads / sysdeps / pthread / bits / stdio-lock.h
1 /* Thread package specific definitions of stream lock type.
2    Copyright (C) 1996, 1997, 1998, 2000, 2001 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 Library General Public License as
7    published by the Free Software Foundation; either version 2 of the
8    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    Library General Public License for more details.
14
15    You should have received a copy of the GNU Library General Public
16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18    Boston, MA 02111-1307, USA.  */
19
20 #include <bits/libc-lock.h>
21
22 __libc_lock_define_recursive (typedef, _IO_lock_t)
23
24 /* We need recursive (counting) mutexes.  */
25 #define _IO_lock_initializer    {PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP}
26
27 #define _IO_lock_init(_name)    __libc_lock_init_recursive (_name)
28 #define _IO_lock_fini(_name)    __libc_lock_fini_recursive (_name)
29 #define _IO_lock_lock(_name)    __libc_lock_lock_recursive (_name)
30 #define _IO_lock_unlock(_name)  __libc_lock_unlock_recursive (_name)
31
32
33 #define _IO_cleanup_region_start(_fct, _fp) \
34   { struct _pthread_cleanup_buffer _buffer;                                   \
35     int _avail = (((_fp)->_flags & _IO_USER_LOCK) == 0                        \
36                   && _pthread_cleanup_push_defer != NULL);                    \
37     if (_avail) {                                                             \
38       _pthread_cleanup_push_defer (&_buffer, (_fct), (_fp));                  \
39     }
40 #define _IO_cleanup_region_start_noarg(_fct) \
41   { struct _pthread_cleanup_buffer _buffer;                                   \
42     int _avail = _pthread_cleanup_push_defer != NULL;                         \
43     if (_avail) {                                                             \
44       _pthread_cleanup_push_defer (&_buffer, (_fct), NULL);                   \
45     }
46 #define _IO_cleanup_region_end(_doit) \
47      __libc_cleanup_region_end (_doit)