1.\" Copyright (c) 1996 Doug Rabson 2.\" 3.\" All rights reserved. 4.\" 5.\" This program is free software. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" 27.\" $FreeBSD: src/share/man/man9/VOP_MMAP.9,v 1.4 1999/08/28 00:21:14 peter Exp $ 28.\" 29.Dd July 24, 1996 30.Dt VOP_MMAP 9 31.Os 32.Sh NAME 33.Nm VOP_MMAP 34.Nd map a file into memory 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/vnode.h 38.Ft int 39.Fn VOP_MMAP "struct vnode *vp" "int fflags" "struct ucred *cred" "struct proc *p" 40.Sh DESCRIPTION 41Map the contents of a file into memory using the VM system. 42.Pp 43Its arguments are: 44.Bl -tag -width fflags 45.It Ar vp 46the vnode of the file 47.It Ar fflags 48some flags ??? 49.It Ar cred 50the caller's credentials 51.It Ar p 52the calling process 53.El 54.Pp 55Most filesystems do not implement this entry point. 56.Sh PSEUDOCODE 57.Bd -literal 58int 59vop_mmap(struct vnode *vp, int fflags, 60 struct ucred *cred, struct proc *p) 61{ 62 return EINVAL; 63} 64.Ed 65.Sh SEE ALSO 66.Xr vnode 9 67.Sh AUTHORS 68This man page was written by 69.An Doug Rabson . 70