scalls.c revision 3470957343f37ed9baa957980891dbbe4c2d7092
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#pragma weak close = _libaio_close
#include "libaio.h"
extern void _cancel_prologue(void);
extern void _cancel_epilogue(void);
int
_libaio_close(int fd)
{
int rc;
/*
* Cancel all outstanding aio requests for this file descriptor.
*/
if (fd >= 0 && __uaio_ok)
(void) aiocancel_all(fd);
/*
* If we have allocated the bit array, clear the bit for this file.
* The next open may re-use this file descriptor and the new file
* may have different kaio() behaviour.
*/
if (_kaio_supported != NULL)
CLEAR_KAIO_SUPPORTED(fd);
_cancel_prologue();
rc = _close(fd);
_cancel_epilogue();
return (rc);
}