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glibc-1.08.1
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hurd
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fd-close.c
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1994-05-21
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/* Copyright (C) 1994 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <hurd/fd.h>
/* FD is locked. Close and unlock it, so it can be reallocated. */
error_t
_hurd_fd_close (struct hurd_fd *fd)
{
/* Clear the descriptor's port cells.
This deallocates the ports if noone else is still using them. */
_hurd_port_set (&fd->ctty, MACH_PORT_NULL);
_hurd_port_locked_set (&fd->port, MACH_PORT_NULL);
return 0;
}