From 95e0720dc0b6a2cf71b76f14c1943a0e3324a273 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 3 Nov 2010 13:14:34 -0500
Subject: actually make WINCH signal the subprocess properly

---
 lib/App/Termcast.pm | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'lib')

diff --git a/lib/App/Termcast.pm b/lib/App/Termcast.pm
index 6fd6b4d..48a8734 100644
--- a/lib/App/Termcast.pm
+++ b/lib/App/Termcast.pm
@@ -249,12 +249,22 @@ sub run {
 
     $self->pty->spawn(@cmd) || die "Couldn't spawn @cmd: $!";
 
-    local $SIG{WINCH} = sub { $self->_got_winch(1) };
+    local $SIG{WINCH} = sub {
+        $self->_got_winch(1);
+        $self->pty->slave->clone_winsize_from(\*STDIN);
+        $self->pty->kill('WINCH', 1);
+    };
+
     while (1) {
         my ($rin, $win, $ein) = $self->_build_select_args;
         my ($rout, $wout, $eout);
         my $select_res = select($rout = $rin, undef, $eout = $ein, undef);
-        redo if $select_res == -1 && ($!{EAGAIN} || $!{EINTR});
+        my $again = $!{EAGAIN} || $!{EINTR};
+
+        if (($select_res == -1 && $again) || $self->_got_winch) {
+            $self->_got_winch(0);
+            redo;
+        }
 
         if ($self->_socket_ready($eout)) {
             $self->clear_socket;
@@ -264,10 +274,6 @@ sub run {
             my $buf;
             sysread STDIN, $buf, 4096;
             if (!defined $buf || length $buf == 0) {
-                if ($self->_got_winch) {
-                    $self->_got_winch(0);
-                    redo;
-                }
                 Carp::croak("Error reading from stdin: $!")
                     unless defined $buf;
                 last;
-- 
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