CVS commit: src/lib/libc/sys

["David A. Holland" <dholland%netbsd.org@localhost>]

Module Name:    src
Committed By:   dholland
Date:           Sat Aug 27 23:06:01 UTC 2016

Modified Files:
        src/lib/libc/sys: brk.2

Log Message:
Rework pursuant to PR 7934: be more clear about the page granularity
behavior and when new memory is zeroed.

Also, strengthen the warning about mixing with calls to malloc (which
is not a bug) and mention that the portable way to fetch the initial
break is to call sbrk(0). There are implementations in the wild where
using _end as the initial break doesn't work.


To generate a diff of this commit:
cvs rdiff -u -r1.32 -r1.33 src/lib/libc/sys/brk.2

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.