Merge remote-tracking branch 'origin/5.7' into dev

Conflicts:
	qmake/doc/src/qmake-manual.qdoc
	src/corelib/global/qglobal.cpp
	src/corelib/tools/qstring.cpp
	src/network/socket/qabstractsocket.cpp
	src/network/socket/qnativesocketengine_unix.cpp
	src/plugins/platforms/eglfs/api/qeglfsglobal.h

Change-Id: Id5dfdbd30fa996f9b4b66a0b030b7d3b8c0ef288

1 files changed, 10 insertions, 4 deletions

diff --git a/src/plugins/platforms/android/androidjnimain.cpp b/src/plugins/platforms/android/androidjnimain.cpp
index 6419ba2c51..677a2e2626 100644
--- a/src/plugins/platforms/android/androidjnimain.cpp
+++ b/src/plugins/platforms/android/androidjnimain.cpp
@@ -550,8 +550,11 @@ static void quitQtAndroidPlugin(JNIEnv *env, jclass /*clazz*/)
 
 static void terminateQt(JNIEnv *env, jclass /*clazz*/)
 {
-    sem_wait(&m_terminateSemaphore);
-    sem_destroy(&m_terminateSemaphore);
+    // QAndroidEventDispatcherStopper is stopped when the user uses the task manager to kill the application
+    if (!QAndroidEventDispatcherStopper::instance()->stopped()) {
+        sem_wait(&m_terminateSemaphore);
+        sem_destroy(&m_terminateSemaphore);
+    }
     env->DeleteGlobalRef(m_applicationClass);
     env->DeleteGlobalRef(m_classLoaderObject);
     if (m_resourcesObj)
@@ -571,8 +574,11 @@ static void terminateQt(JNIEnv *env, jclass /*clazz*/)
     m_androidPlatformIntegration = nullptr;
     delete m_androidAssetsFileEngineHandler;
     m_androidAssetsFileEngineHandler = nullptr;
-    sem_post(&m_exitSemaphore);
-    pthread_join(m_qtAppThread, nullptr);
+
+    if (!QAndroidEventDispatcherStopper::instance()->stopped()) {
+        sem_post(&m_exitSemaphore);
+        pthread_join(m_qtAppThread, nullptr);
+    }
 }
 
 static void setSurface(JNIEnv *env, jobject /*thiz*/, jint id, jobject jSurface, jint w, jint h)