[rkward-cvs] [rkward] /: Fix a hang on exit

[Thomas Friedrichsmeier]

Git commit 1b739959742a014ae7804aa23a0c22b9a405b399 by Thomas Friedrichsmeier.
Committed on 05/01/2015 at 19:54.
Pushed by tfry into branch 'master'.

Fix a hang on exit

M  +1    -0    ChangeLog
M  +1    -0    rkward/rbackend/rkfrontendtransmitter.cpp

http://commits.kde.org/rkward/1b739959742a014ae7804aa23a0c22b9a405b399

diff --git a/ChangeLog b/ChangeLog
index 250d3c0..5960d9d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,4 @@
+- Fix a hang-on-exit issue
 - Add R function rk.set.plugin.status() to allow further customization of loaded plugins (hiding of individual menu entries)
   - TODO: With the improved interface to plugins from R, make sure plugins can actually be modified at runtime without crashing (close and re-open them)
 - Pluginmap-management was reworked, partially, and moved to Settings->Manage R packages and plugins
diff --git a/rkward/rbackend/rkfrontendtransmitter.cpp b/rkward/rbackend/rkfrontendtransmitter.cpp
index d6b50f8..99eab9b 100644
--- a/rkward/rbackend/rkfrontendtransmitter.cpp
+++ b/rkward/rbackend/rkfrontendtransmitter.cpp
@@ -125,6 +125,7 @@ void RKFrontendTransmitter::run () {
 
 	connection->close ();
 	backend->waitForFinished ();
+	delete backend;	// otherwise it will be deleted via the constructor from the main thread, which can cause hangs.
 }
 
 void RKFrontendTransmitter::connectAndEnterLoop () {