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38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Thread package specific definitions of stream lock type.
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Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _LIBIO_LOCK_H
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#define _LIBIO_LOCK_H 1
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typedef void *_IO_lock_t;
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/* We need recursive (counting) mutexes. */
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#define _IO_lock_initializer NULL
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#define _IO_cleanup_region_start(_fct, _fp)
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#define _IO_cleanup_region_end(_doit)
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#define _IO_lock_init(_name)
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#define _IO_lock_fini(_name)
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#define _IO_lock_lock(_name)
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#define _IO_lock_unlock(_name)
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#endif /* libio-lock.h */
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/* this will be used later*/
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