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mmap.c revision 1.3 
      1  1.2  cgd /*
      2  1.2  cgd  * Copyright (c) 1992, 1993
      3  1.2  cgd  *	The Regents of the University of California.  All rights reserved.
      4  1.2  cgd  *
      5  1.2  cgd  * Redistribution and use in source and binary forms, with or without
      6  1.2  cgd  * modification, are permitted provided that the following conditions
      7  1.2  cgd  * are met:
      8  1.2  cgd  * 1. Redistributions of source code must retain the above copyright
      9  1.2  cgd  *    notice, this list of conditions and the following disclaimer.
     10  1.2  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     11  1.2  cgd  *    notice, this list of conditions and the following disclaimer in the
     12  1.2  cgd  *    documentation and/or other materials provided with the distribution.
     13  1.2  cgd  * 3. All advertising materials mentioning features or use of this software
     14  1.2  cgd  *    must display the following acknowledgement:
     15  1.2  cgd  *	This product includes software developed by the University of
     16  1.2  cgd  *	California, Berkeley and its contributors.
     17  1.2  cgd  * 4. Neither the name of the University nor the names of its contributors
     18  1.2  cgd  *    may be used to endorse or promote products derived from this software
     19  1.2  cgd  *    without specific prior written permission.
     20  1.2  cgd  *
     21  1.2  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  1.2  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  1.2  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  1.2  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  1.2  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  1.2  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  1.2  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  1.2  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  1.2  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  1.2  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  1.2  cgd  * SUCH DAMAGE.
     32  1.2  cgd  */
     33  1.2  cgd 
     34  1.2  cgd #if defined(LIBC_SCCS) && !defined(lint)
     35  1.2  cgd /* from: static char sccsid[] = "@(#)mmap.c	8.1 (Berkeley) 6/17/93"; */
     36  1.3  cgd static char *rcsid = "$Id: mmap.c,v 1.3 1994/10/19 03:21:41 cgd Exp $";
     37  1.2  cgd #endif /* LIBC_SCCS and not lint */
     38  1.1  cgd 
     39  1.1  cgd #include <sys/types.h>
     40  1.2  cgd #include <sys/mman.h>
     41  1.1  cgd #include <sys/syscall.h>
     42  1.1  cgd 
     43  1.2  cgd /*
     44  1.2  cgd  * This function provides 64-bit offset padding that
     45  1.2  cgd  * is not supplied by GCC 1.X but is supplied by GCC 2.X.
     46  1.2  cgd  */
     47  1.1  cgd caddr_t
     48  1.1  cgd mmap(addr, len, prot, flags, fd, offset)
     49  1.2  cgd 	caddr_t addr;
     50  1.2  cgd 	size_t	len;
     51  1.2  cgd 	int	prot;
     52  1.2  cgd 	int	flags;
     53  1.2  cgd 	int	fd;
     54  1.2  cgd 	off_t	offset;
     55  1.1  cgd {
     56  1.1  cgd 
     57  1.3  cgd 	return((caddr_t)(long)__syscall((quad_t)SYS_mmap, addr, len, prot,
     58  1.3  cgd 	    flags, fd, 0, offset));
     59  1.1  cgd }
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