# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1524057666 14400
# Node ID 692fbde19871c2cc815d7cc7e0581770fede143c
# Parent  4adeabc1bbfe5438c3adda10657ce0ca89879c4b
restore ability to interrupt subprocesses on Unixy systems (bug #53635)

* terminal-dock-widget.cc (terminal_dock_widget::terminal_interrupt):
Also send SIGINT to all processes in our process group.

diff -r 4adeabc1bbfe -r 692fbde19871 libgui/src/terminal-dock-widget.cc
--- a/libgui/src/terminal-dock-widget.cc	Tue Apr 17 21:40:31 2018 -0400
+++ b/libgui/src/terminal-dock-widget.cc	Wed Apr 18 09:21:06 2018 -0400
@@ -27,12 +27,14 @@
 
 #include <QDesktopWidget>
 
+#include "quit.h"
+#include "signal-wrappers.h"
+
+#include "sighandlers.h"
+
 #include "terminal-dock-widget.h"
 #include "resource-manager.h"
 
-#include "sighandlers.h"
-#include "quit.h"
-
 namespace octave
 {
   terminal_dock_widget::terminal_dock_widget (QWidget *p)
@@ -110,5 +112,13 @@
 
     octave_signal_caught = 1;
     octave_interrupt_state++;
+
+    // Send SIGINT to all other processes in our process group.
+    // This is needed to interrupt calls to system (), for example.
+
+    int sigint;
+    octave_get_sig_number ("SIGINT", &sigint);
+
+    octave_kill_wrapper (0, sigint);
   }
 }