Fix "Use of uninitialized value in numeric eq (==) at ReadWriteFork.pm line 182."

Author: Jan Henning Thorsen

Changes

@@ -1,5 +1,8 @@
 Revision history for Mojo-IOLoop-ReadWriteFork
 
+0.06
+       * Fix "Use of uninitialized value in numeric eq (==) at ReadWriteFork.pm line 182."
+
 0.05     Wed Feb 19 13:29:54 2014
        * Fix "read" event cannot change ERRNO from sysread()
 

lib/Mojo/IOLoop/ReadWriteFork.pm

@@ -127,6 +127,7 @@ sub start {
   my $args = ref $_[0] ? $_[0] : {@_};
 
   $args->{env} = { %ENV };
+  $self->{errno} = 0;
   $args->{program} or die 'program is required input';
   $args->{conduit} ||= 'pipe';
   $args->{program_args} ||= [];
@@ -302,7 +303,7 @@ sub _read {
   my $stdout_read = $self->{stdout_read} or return;
   my $read = $stdout_read->sysread(my $buffer, CHUNK_SIZE, 0);
 
-  $self->{errno} = $!;
+  $self->{errno} = $! // 0;
 
   return unless defined $read;
   return unless $read;