Fix Win32 build. VC++ 6.0 and 7.0 now use the thread-safe code.

[rrdtool.git] / bindings / perl-shared / RRDs.pm

diff --git a/bindings/perl-shared/RRDs.pm b/bindings/perl-shared/RRDs.pm
index 2cd3370..6146e43 100644 (file)
--- a/bindings/perl-shared/RRDs.pm
+++ b/bindings/perl-shared/RRDs.pm
@@ -111,6 +111,17 @@ integers, a pointer to an array and a pointer to a array of pointers.
 
 See the examples directory for more ways to use this extension.
 
+=head1 NOTE
+
+If you are manipulating the TZ variable you should also call the posixs
+function tzset to initialize all internal state of the library for properly
+operating in the timezone of your choice.
+
+ use POSIX qw(tzset);
+ $ENV{TZ} = 'CET';   
+ POSIX::tzset();     
+
+
 =head1 AUTHOR
 
 Tobias Oetiker E<lt>oetiker@ee.ethz.chE<gt>