Current File : //proc/22003/cwd/usr/include/bits/stdio-lock.h
/* Thread package specific definitions of stream lock type. Generic version.
Copyright (C) 2000, 2001, 2002, 2003 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/>. */
#ifndef _BITS_STDIO_LOCK_H
#define _BITS_STDIO_LOCK_H 1
#include <bits/libc-lock.h>
__libc_lock_define_recursive (typedef, _IO_lock_t)
/* We need recursive (counting) mutexes. */
#ifdef _LIBC_LOCK_RECURSIVE_INITIALIZER
# define _IO_lock_initializer _LIBC_LOCK_RECURSIVE_INITIALIZER
#elif _IO_MTSAFE_IO
#error libio needs recursive mutexes for _IO_MTSAFE_IO
#endif
#define _IO_lock_init(_name) __libc_lock_init_recursive (_name)
#define _IO_lock_fini(_name) __libc_lock_fini_recursive (_name)
#define _IO_lock_lock(_name) __libc_lock_lock_recursive (_name)
#define _IO_lock_trylock(_name) __libc_lock_trylock_recursive (_name)
#define _IO_lock_unlock(_name) __libc_lock_unlock_recursive (_name)
#define _IO_cleanup_region_start(_fct, _fp) \
__libc_cleanup_region_start (((_fp)->_flags & _IO_USER_LOCK) == 0, _fct, _fp)
#define _IO_cleanup_region_start_noarg(_fct) \
__libc_cleanup_region_start (1, _fct, NULL)
#define _IO_cleanup_region_end(_doit) \
__libc_cleanup_region_end (_doit)
#if defined _LIBC && IS_IN (libc)
# define _IO_acquire_lock(_fp) \
_IO_cleanup_region_start ((void (*) (void *)) _IO_funlockfile, (_fp)); \
_IO_flockfile (_fp)
# define _IO_release_lock(_fp) \
_IO_funlockfile (_fp); \
_IO_cleanup_region_end (0)
#endif
#endif /* bits/stdio-lock.h */
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