From 1053529e4fddcd00891cbbc08cf4107e8335f873 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 7 Jun 2013 16:43:41 +0200
Subject: [PATCH] possible fix for no-shutdown of external app (ie harvid)

---
 gtk2_ardour/system_exec.cc | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/gtk2_ardour/system_exec.cc b/gtk2_ardour/system_exec.cc
index 566c87dfbb..eb81c5fcb2 100644
--- a/gtk2_ardour/system_exec.cc
+++ b/gtk2_ardour/system_exec.cc
@@ -444,10 +444,13 @@ SystemExec::wait (int options)
 	int status=0;
 	if (pid==0) return -1;
 	if (pid==::waitpid(pid, &status, options)) {
-		pid=0;
-	}
-	if (errno == ECHILD) {
-		pid=0;
+		if (WEXITSTATUS(status) || WIFSIGNALED(status)) {
+			pid=0;
+		}
+	} else {
+		if (errno == ECHILD) {
+			pid=0;
+		}
 	}
 	return status;
 }