Add mutex to QThreadPooler destructor

Added mutex to QThreadPooler destructor to wait that mutex is not
destroyed while locked. This seems to be important for autotests.

Change-Id: I5423344ecd2c24e896adaf5b9b52309200ed8801
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/core/jobs/qthreadpooler.cpp b/src/core/jobs/qthreadpooler.cpp
index b5d7ba10b..5e1c2749d 100644
--- a/src/core/jobs/qthreadpooler.cpp
+++ b/src/core/jobs/qthreadpooler.cpp
@@ -58,6 +58,10 @@ QThreadPooler::QThreadPooler(QObject *parent)
 
 QThreadPooler::~QThreadPooler()
 {
+    // Wait till all tasks are finished before deleting mutex
+    QMutexLocker locker(m_mutex);
+    locker.unlock();
+
     delete m_mutex;
 }