glibc/hurd/fd-close.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

47 lines
1.4 KiB
C

/* Copyright (C) 1994, 1995, 1997 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <hurd/fd.h>
error_t
_hurd_fd_close (struct hurd_fd *fd)
{
error_t err;
HURD_CRITICAL_BEGIN;
__spin_lock (&fd->port.lock);
if (fd->port.port == MACH_PORT_NULL)
{
__spin_unlock (&fd->port.lock);
err = EBADF;
}
else
{
/* 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);
err = 0;
}
HURD_CRITICAL_END;
return err;
}