mmap.c revision 09ce0d4acf1a79c720d7e54b60e87cbfa0f1b2d6
/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "lint.h"
#include <sys/feature_tests.h>
#include <sys/mman.h>
extern void unregister_locks(caddr_t, size_t);
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
extern caddr_t __mmap64(caddr_t, size_t, int, int, int, off64_t);
#pragma weak _mmap64 = mmap64
caddr_t
mmap64(caddr_t addr, size_t len, int prot, int flags, int fildes, off64_t off)
{
if (flags & MAP_FIXED)
unregister_locks(addr, len);
return (__mmap64(addr, len, prot, flags, fildes, off));
}
#else
extern caddr_t __mmap(caddr_t, size_t, int, int, int, off_t);
#pragma weak _mmap = mmap
caddr_t
mmap(caddr_t addr, size_t len, int prot, int flags, int fildes, off_t off)
{
if (flags & MAP_FIXED)
unregister_locks(addr, len);
return (__mmap(addr, len, prot, flags, fildes, off));
}
#endif