From ce03b02a79f43adbbb9d4a4513233fb9cc89d7bf Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 8 Oct 2015 21:21:44 -0400
Subject: [PATCH] in a CrossThread object, ensure destruction of the channel
 and source used on Posix

The source holds a reference to the channel; both must be unref'ed/destroyed in order to
fully clean up resources
---
 libs/pbd/crossthread.posix.cc | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libs/pbd/crossthread.posix.cc b/libs/pbd/crossthread.posix.cc
index e3f6df5a31..72a4fad810 100644
--- a/libs/pbd/crossthread.posix.cc
+++ b/libs/pbd/crossthread.posix.cc
@@ -2,6 +2,7 @@
 
 CrossThreadChannel::CrossThreadChannel (bool non_blocking)
         : receive_channel (0)
+        , receive_source (0)
 {
 	fds[0] = -1;
 	fds[1] = -1;
@@ -28,8 +29,14 @@ CrossThreadChannel::CrossThreadChannel (bool non_blocking)
 
 CrossThreadChannel::~CrossThreadChannel ()
 {
-        if (receive_channel) {
+	if (receive_source) {
+		g_source_destroy (receive_source);
+		receive_source = 0;
+	}
+
+	if (receive_channel) {
                 g_io_channel_unref (receive_channel);
+                receive_channel = 0;
         }
 
 	if (fds[0] >= 0) {