>Number:         20803
>Category:       lib
>Synopsis:       Error in description of MAP_ANON in man mmap
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          doc-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Mar 19 01:40:00 PST 2003
>Closed-Date:
>Last-Modified:
>Originator:     Erik Anggard
>Release:        NetBSD 1.6D
>Organization:

>Environment:
System: NetBSD kiwi.int.packetfront.com 1.6D NetBSD 1.6D (KIWI-$Revision: 1.138 $) #2: Thu Nov 28 11:01:15 CET 2002 eriang@kiwi.int.packetfront.com:/usr/src/sys/arch/macppc/compile/KIWI macppc
Architecture: powerpc
Machine: macppc
>Description:
	The man page for mmap indicates that the file descriptor when 
	using MAP_ANON may have some other value than -1. This is not
	true.
>How-To-Repeat:
	man mmap
>Fix:
Diff for rev 1.27 of src/lib/libc/sys/mmap.2:
--- mmap.2.orig Wed Mar 19 10:27:46 2003
+++ mmap.2      Wed Mar 19 10:30:25 2003
@@ -127,9 +127,7 @@
 Map anonymous memory not associated with any specific file.
 The file descriptor used for creating
 .Dv MAP_ANON
-regions is used only for
-naming, and may be specified as \-1 if no name is associated with the
-region.
+must be \-1.
 .It Dv MAP_FILE
 Mapped from a regular file or character-special device memory.
 .It Dv MAP_FIXED
>Release-Note:
>Audit-Trail:
>Unformatted: