Also handle SIGTERM gracefully (#2747)

Signed-off-by: Erling Rennemo Jellum
Signed-off-by: erlingrj <erling.jellum@gmail.com>
Signed-off-by: erling <erling.jellum@gmail.com>
Co-authored-by: Addisu Z. Taddese <addisu@openrobotics.org>
Co-authored-by: Ian Chen <ichen@openrobotics.org>
(cherry picked from commit 13bf5be)

# Conflicts:
#	src/cmd/cmdgazebo.rb.in

src/cmd/cmdgazebo.rb.in

@@ -504,9 +504,25 @@ See https://github.com/gazebosim/gz-sim/issues/168 for more info."
               options['wait_gui'], options['render_engine_gui'])
         end
 
+<<<<<<< HEAD:src/cmd/cmdgazebo.rb.in
         Signal.trap("INT") {
           self.killProcess(guiPid, "Ignition Gazebo GUI", 5.0)
           self.killProcess(serverPid, "Ignition Gazebo Server", 5.0)
+=======
+        # Handle SIGINT and SIGTERM signals
+        def handle_signal(guiPid, serverPid)
+          self.killProcess(guiPid, "Gazebo Sim GUI", 5.0)
+          self.killProcess(serverPid, "Gazebo Sim Server", 5.0)
+        end
+
+        Signal.trap("INT") {
+          handle_signal(guiPid, serverPid)
+          return 1
+        }
+
+        Signal.trap("TERM") {
+          handle_signal(guiPid, serverPid)
+>>>>>>> 13bf5bea (Also handle SIGTERM gracefully (#2747)):src/cmd/cmdsim.rb.in
           return 1
         }