| /* Thread package specific definitions of stream lock type. Generic version. |
| Copyright (C) 2000-2014 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 && !defined NOT_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 */ |
