use sharedFunctions; #$files{log}{file} => logfile.log

my $writelog = Thread::Semaphore->new(); #sequential log writing

open my $LOGFH ,">", $files{log}{file};
#disable write buffer
my $stdout = select($LOGFH);
$| = 1;
select($stdout);

require PKG;
PKG->import(\$LOGFH, \$writelog);
my $pk = PKG->new();