ryu-manager: use try-finally statement

This fixes a problem that app_mgr.close() is not called when
KeyboardInterrupt exception occurs.

Signed-off-by: OHMURA Kei <ohmura.kei@lab.ntt.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 4 insertions, 2 deletions

diff --git a/bin/ryu-manager b/bin/ryu-manager
index 2924bd49..d9cc8059 100755
--- a/bin/ryu-manager
+++ b/bin/ryu-manager
@@ -77,8 +77,10 @@ def main():
         thr = gevent.spawn_later(0, webapp)
         services.append(thr)
 
-    gevent.joinall(services)
-    app_mgr.close()
+    try:
+        gevent.joinall(services)
+    finally:
+        app_mgr.close()
 
 
 if __name__ == "__main__":