Fix potential segfault at shutdown

Check Py_IsInitialized() in PyObjectWrapper destructor, which
can be called after interpreter shutdown

Change-Id: If9570d14a35ac3419a81846a59d972015205a858
Reviewed-by: John Cummings <jcummings2@users.sf.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/libpyside/signalmanager.cpp b/libpyside/signalmanager.cpp
index 76ed72500..ac1a00e7f 100644
--- a/libpyside/signalmanager.cpp
+++ b/libpyside/signalmanager.cpp
@@ -104,6 +104,11 @@ PyObjectWrapper::PyObjectWrapper(const PyObjectWrapper &other)
 
 PyObjectWrapper::~PyObjectWrapper()
 {
+    // Check that Python is still initialized as sometimes this is called by a static destructor
+    // after Python interpeter is shutdown.
+    if (!Py_IsInitialized())
+        return;
+
     Shiboken::GilState gil;
     Py_DECREF(m_me);
 }