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Finish what revision 1.40 started. Revision 1.40 removed a false statement

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from the description but not the errors section.  This revision removes it
from the errors statement.

Add a statement about the non-portability of non-page-aligned offsets.
This commit is contained in:
Alan Cox 2008-10-24 14:40:13 +00:00
parent 1f5aa99363
commit 5584732fa2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=184226
1 changed files with 6 additions and 8 deletions
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14
lib/libc/sys/mmap.2
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@ -28,7 +28,7 @@
.\" @(#)mmap.2 8.4 (Berkeley) 5/11/95
.\" $FreeBSD$
.\"
.Dd April 21, 2006
.Dd October 24, 2008
.Dt MMAP 2
.Os
.Sh NAME
@ -252,6 +252,11 @@ In the future we may define an additional mapping type,
in which
the file descriptor argument specifies a file or device to which swapping
should be done.
.Sh NOTES
Although this implementation does not impose any alignment restrictions on
the
.Fa offset
argument, a portable program must only use page-aligned values.
.Sh RETURN VALUES
Upon successful completion,
.Fn mmap
@ -307,13 +312,6 @@ was negative.
was specified and the
.Fa fd
argument was not -1.
The
.Fa offset
argument
was not page-aligned.
(See
.Sx BUGS
below.)
.It Bq Er ENODEV
.Dv MAP_ANON
has not been specified and