flock.c revision 5bbb4db2c3f208d12bf0fd11769728f9e5ba66a2
/*
* 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
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley 4.3 BSD
* under license from the Regents of the University of California.
*/
/*LINTLIBRARY*/
#include <errno.h>
int
{
int cmd;
int ret;
/* initialize the flock struct to set lock on entire file */
/* In non-blocking lock, use F_SETLK for cmd, F_SETLKW otherwise */
} else
switch (operation) {
case LOCK_UN:
break;
case LOCK_SH:
break;
case LOCK_EX:
break;
default:
return (-1);
}
errno = EWOULDBLOCK;
return (ret);
}