glibc/linuxthreads/sysdeps/pthread/bits/stdio-lock.h
Ulrich Drepper aebb1faa19 Update.
* libio/libio.h (_IO_flockfile, _IO_funlockfile): Fix typo in last
	patch (_mode -> _flags).
2000-09-01 17:49:19 +00:00

45 lines
1.8 KiB
C

/* Thread package specific definitions of stream lock type.
Copyright (C) 1996, 1997, 1998, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <pthread.h>
typedef pthread_mutex_t _IO_lock_t;
/* We need recursive (counting) mutexes. */
#define _IO_lock_initializer PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
#define _IO_cleanup_region_start(_fct, _fp) \
{ struct _pthread_cleanup_buffer _buffer; \
int _avail = (((_fp)->_flags & _IO_USER_LOCK) == 0 \
&& _pthread_cleanup_push_defer != NULL); \
if (_avail) { \
_pthread_cleanup_push_defer (&_buffer, (_fct), (_fp)); \
}
#define _IO_cleanup_region_end(_doit) \
__libc_cleanup_region_end (_doit)
#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 (_name)
#define _IO_lock_unlock(_name) \
__libc_lock_unlock (_name)