dup.c revision d4188195113bc7f546b026033c66ea3e12de0e02
1N/A/*
1N/A * CDDL HEADER START
1N/A *
1N/A * The contents of this file are subject to the terms of the
1N/A * Common Development and Distribution License (the "License").
1N/A * You may not use this file except in compliance with the License.
1N/A *
1N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
1N/A * or http://www.opensolaris.org/os/licensing.
1N/A * See the License for the specific language governing permissions
1N/A * and limitations under the License.
1N/A *
1N/A * When distributing Covered Code, include this CDDL HEADER in each
1N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1N/A * If applicable, add the following below this CDDL HEADER, with the
1N/A * fields enclosed by brackets "[]" replaced with your own identifying
1N/A * information: Portions Copyright [yyyy] [name of copyright owner]
1N/A *
1N/A * CDDL HEADER END
1N/A */
1N/A
1N/A/*
1N/A * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
1N/A * Use is subject to license terms.
1N/A */
1N/A
1N/A#pragma ident "%Z%%M% %I% %E% SMI"
1N/A
1N/A#include <sys/syscall.h>
1N/A
1N/Aint
1N/Adup(int fd)
1N/A{
1N/A int ret, fds;
1N/A
1N/A if ((ret = _syscall(SYS_dup, fd)) == -1)
1N/A return (-1);
1N/A
1N/A if ((fds = fd_get(fd)) != -1)
1N/A fd_add(ret, fds);
1N/A
1N/A return (ret);
1N/A}
1N/A