File:  [DragonFly] / src / share / man / man9 / VOP_MMAP.9
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    1: .\" -*- nroff -*-
    2: .\"
    3: .\" Copyright (c) 1996 Doug Rabson
    4: .\"
    5: .\" All rights reserved.
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   29: .\" $FreeBSD: src/share/man/man9/VOP_MMAP.9,v 1.4 1999/08/28 00:21:14 peter Exp $
   30: .\" $DragonFly: src/share/man/man9/VOP_MMAP.9,v 1.2 2003/06/17 04:37:01 dillon Exp $
   31: .\"
   32: .Dd July 24, 1996
   33: .Os
   34: .Dt VOP_MMAP 9
   35: .Sh NAME
   36: .Nm VOP_MMAP
   37: .Nd map a file into memory
   38: .Sh SYNOPSIS
   39: .Fd #include <sys/param.h>
   40: .Fd #include <sys/vnode.h>
   41: .Ft int
   42: .Fn VOP_MMAP "struct vnode *vp" "int fflags" "struct ucred *cred" "struct proc *p"
   43: .Sh DESCRIPTION
   44: Map the contents of a file into memory using the VM system.
   45: .Pp
   46: Its arguments are:
   47: .Bl -tag -width fflags
   48: .It Ar vp
   49: the vnode of the file
   50: .It Ar fflags
   51: some flags ???
   52: .It Ar cred
   53: the caller's credentials
   54: .It Ar p
   55: the calling process
   56: .El
   57: .Pp
   58: Most filesystems do not implement this entry point.
   59: .Sh PSEUDOCODE
   60: .Bd -literal
   61: int
   62: vop_mmap(struct vnode *vp, int fflags,
   63: 	   struct ucred *cred, struct proc *p)
   64: {
   65:     return EINVAL;
   66: }
   67: .Ed
   68: .Sh SEE ALSO
   69: .Xr vnode 9
   70: .Sh AUTHORS
   71: This man page was written by
   72: .An Doug Rabson .