diff options
| -rw-r--r-- | lib/IO/Pty/Easy.pm | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/lib/IO/Pty/Easy.pm b/lib/IO/Pty/Easy.pm index 2953f1d..904fbd5 100644 --- a/lib/IO/Pty/Easy.pm +++ b/lib/IO/Pty/Easy.pm @@ -261,15 +261,18 @@ sub is_active { my $self = shift; return 0 unless defined $self->pid; - # XXX FreeBSD 7.0 will not allow a session leader to exit until the kernel - # tty output buffer is empty. Make it so. - my $rin = ''; - vec($rin, fileno($self), 1) = 1; - my $nfound = select($rin, undef, undef, 0); - if ($nfound > 0) { - sysread($self, ${*{$self}}{io_pty_easy_final_output}, - $self->def_max_read_chars, - length ${*{$self}}{io_pty_easy_final_output}); + + if (defined(my $fd = fileno($self))) { + # XXX FreeBSD 7.0 will not allow a session leader to exit until the + # kernel tty output buffer is empty. Make it so. + my $rin = ''; + vec($rin, $fd, 1) = 1; + my $nfound = select($rin, undef, undef, 0); + if ($nfound > 0) { + sysread($self, ${*{$self}}{io_pty_easy_final_output}, + $self->def_max_read_chars, + length ${*{$self}}{io_pty_easy_final_output}); + } } my $active = kill 0 => $self->pid; @@ -322,8 +325,8 @@ this call. sub close { my $self = shift; - $self->kill; close $self; + $self->kill; } =head2 handle_pty_size() |