diff options
Diffstat (limited to 'ext/IO')
| -rw-r--r-- | ext/IO/lib/IO/Poll.pm | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/IO/lib/IO/Poll.pm b/ext/IO/lib/IO/Poll.pm index 89b89d4d13..bc928b53c7 100644 --- a/ext/IO/lib/IO/Poll.pm +++ b/ext/IO/lib/IO/Poll.pm @@ -46,6 +46,7 @@ sub mask { my $self = shift; my $io = shift; my $fd = fileno($io); + return unless defined $fd; if (@_) { my $mask = shift; if($mask) { |