#!/usr/bin/perl
+use 5.008;
use strict;
use warnings;
use IO::Pty;
use File::Copy;
-# Run @$argv in the background with stdout redirected to $out.
+# Run @$argv in the background with stdio redirected to $out and $err.
sub start_child {
- my ($argv, $out) = @_;
+ my ($argv, $out, $err) = @_;
my $pid = fork;
if (not defined $pid) {
die "fork failed: $!"
} elsif ($pid == 0) {
open STDOUT, ">&", $out;
+ open STDERR, ">&", $err;
close $out;
exec(@$argv) or die "cannot exec '$argv->[0]': $!"
}
copy($in, $out, 4096) or $!{EIO} or die "cannot copy from child: $!";
}
+sub copy_stdio {
+ my ($out, $err) = @_;
+ my $pid = fork;
+ defined $pid or die "fork failed: $!";
+ if (!$pid) {
+ close($out);
+ xsendfile(\*STDERR, $err);
+ exit 0;
+ }
+ close($err);
+ xsendfile(\*STDOUT, $out);
+ finish_child($pid) == 0
+ or exit 1;
+}
+
if ($#ARGV < 1) {
die "usage: test-terminal program args";
}
-my $master = new IO::Pty;
-my $slave = $master->slave;
-my $pid = start_child(\@ARGV, $slave);
-close $slave;
-xsendfile(\*STDOUT, $master);
+my $master_out = new IO::Pty;
+my $master_err = new IO::Pty;
+my $pid = start_child(\@ARGV, $master_out->slave, $master_err->slave);
+close $master_out->slave;
+close $master_err->slave;
+copy_stdio($master_out, $master_err);
exit(finish_child($pid));