$SIG{CHLD} = sub {
# don't change $! and $? outside handler
local ($!, $?);
- my $pid = waitpid(-1, WNOHANG);
- return if $pid == -1;
- return unless defined $children{$pid};
- delete $children{$pid};
- cleanup_child($pid, $?);
+ while ( (my $pid = waitpid(-1, WNOHANG)) > 0 ) {
+ delete $children{$pid};
+ cleanup_child($pid, $?);
+ }
};
while (1) {
sub logmsg { print "$0 $$: @_ at ", scalar localtime(), "\n" }
my $port = shift || 2345;
- die "invalid port" unless if $port =~ /^ \d+ $/x;
+ die "invalid port" unless $port =~ /^ \d+ $/x;
my $proto = getprotobyname("tcp");