summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFather Chrysostomos <sprout@cpan.org>2014-01-22 21:31:04 -0800
committerFather Chrysostomos <sprout@cpan.org>2014-01-28 17:56:00 -0800
commitef463b6d87c1ce4e4946bdf785d47e481c1f33f2 (patch)
tree16f096e30f8fbd5018ff511d15b72cf05c4ddde5
parent865ec3f2de36b6663f3e2e06ad07e5b5b0c65ecd (diff)
downloadperl-ef463b6d87c1ce4e4946bdf785d47e481c1f33f2.tar.gz
perldelta for Cow Tools
I somehow missed this.
-rw-r--r--pod/perldelta.pod16
1 files changed, 14 insertions, 2 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index ac1cd1126a..cf78e266a8 100644
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -43,6 +43,16 @@ written for platforms that support locales can run on locale-less
platforms without change. Attempts to change the locale away from the
"C" locale will, of course, fail.
+=head2 PERL_DEBUG_READONLY_COW
+
+On some operating systems Perl can be compiled in such a way that any
+attempt to modify string buffers shared by multiple SVs will crash. This
+way XS authors can test that their modules handle copy-on-write scalars
+correctly. See L<perlguts/"Copy on Write"> for detail.
+
+This feature was actually added in 5.19.8, but was unintentionally omitted
+from its delta document.
+
=head1 Security
XXX Any security-related notices go here. In particular, any security
@@ -180,13 +190,15 @@ XXX Changes which significantly change existing files in F<pod/> go here.
However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics>
section.
-=head3 L<XXX>
+=head3 L<perlguts>
=over 4
=item *
-XXX Description of the change here
+New sections on L<Read-Only Values|perlguts/"Read-Only Values"> and
+L<Copy on Write|perlguts/"Copy on Write"> have been added. They were
+actually added in 5.19.8 but accidentally omitted from its delta document.
=back