File:  [DragonFly] / src / share / man / man9 / VOP_MMAP.9
Revision 1.3: download - view: text, annotated - select for diffs
Tue Jun 1 11:36:53 2004 UTC (10 years, 2 months ago) by hmp
Branches: MAIN
CVS tags: HEAD, DragonFly_Stable, DragonFly_Snap29Sep2004, DragonFly_Snap13Sep2004, DragonFly_RELEASE_1_4_Slip, DragonFly_RELEASE_1_4, DragonFly_RELEASE_1_2_Slip, DragonFly_RELEASE_1_2, DragonFly_1_0_REL, DragonFly_1_0_RC1, DragonFly_1_0A_REL
Remove '-*- nroff -*-'.

Lets make a habit not to put editor-related magic into our base
files.  They are redundant and useless.

    1: .\" Copyright (c) 1996 Doug Rabson
    2: .\"
    3: .\" All rights reserved.
    4: .\"
    5: .\" This program is free software.
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    7: .\" Redistribution and use in source and binary forms, with or without
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   27: .\" $FreeBSD: src/share/man/man9/VOP_MMAP.9,v 1.4 1999/08/28 00:21:14 peter Exp $
   28: .\" $DragonFly: src/share/man/man9/VOP_MMAP.9,v 1.3 2004/06/01 11:36:53 hmp Exp $
   29: .\"
   30: .Dd July 24, 1996
   31: .Os
   32: .Dt VOP_MMAP 9
   33: .Sh NAME
   34: .Nm VOP_MMAP
   35: .Nd map a file into memory
   36: .Sh SYNOPSIS
   37: .Fd #include <sys/param.h>
   38: .Fd #include <sys/vnode.h>
   39: .Ft int
   40: .Fn VOP_MMAP "struct vnode *vp" "int fflags" "struct ucred *cred" "struct proc *p"
   41: .Sh DESCRIPTION
   42: Map the contents of a file into memory using the VM system.
   43: .Pp
   44: Its arguments are:
   45: .Bl -tag -width fflags
   46: .It Ar vp
   47: the vnode of the file
   48: .It Ar fflags
   49: some flags ???
   50: .It Ar cred
   51: the caller's credentials
   52: .It Ar p
   53: the calling process
   54: .El
   55: .Pp
   56: Most filesystems do not implement this entry point.
   57: .Sh PSEUDOCODE
   58: .Bd -literal
   59: int
   60: vop_mmap(struct vnode *vp, int fflags,
   61: 	   struct ucred *cred, struct proc *p)
   62: {
   63:     return EINVAL;
   64: }
   65: .Ed
   66: .Sh SEE ALSO
   67: .Xr vnode 9
   68: .Sh AUTHORS
   69: This man page was written by
   70: .An Doug Rabson .