QueuedCustomType example: use QThread::requestInterruption

Drop the home-made solution with mutex and bool (which could have been
an atomic, but we have had a ready-made solution in QThread for a long
time).

Pick-to: 6.5 6.6
Change-Id: Id213a021f0ae94215afb28ff874fcb597dd1e6f9
Reviewed-by: MohammadHossein Qanbari <mohammad.qanbari@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Mikko Hallamaa <mikko.hallamaa@qt.io>
Reviewed-by: Ed Cooke

1 files changed, 1 insertions, 14 deletions

diff --git a/examples/corelib/threads/queuedcustomtype/renderthread.cpp b/examples/corelib/threads/queuedcustomtype/renderthread.cpp
index 5a65f4ca76..34a439f3fe 100644
--- a/examples/corelib/threads/queuedcustomtype/renderthread.cpp
+++ b/examples/corelib/threads/queuedcustomtype/renderthread.cpp
@@ -10,15 +10,10 @@
 RenderThread::RenderThread(QObject *parent)
     : QThread(parent)
 {
-    m_abort = false;
 }
 
 RenderThread::~RenderThread()
 {
-    mutex.lock();
-    m_abort = true;
-    mutex.unlock();
-
     wait();
 }
 
@@ -29,7 +24,6 @@ void RenderThread::processImage(const QImage &image)
         return;
 
     m_image = image;
-    m_abort = false;
     start();
 }
 
@@ -60,17 +54,10 @@ void RenderThread::run()
             const Block block(QRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1),
                         QColor(red/n, green/n, blue/n));
             emit sendBlock(block);
-            if (m_abort)
+            if (isInterruptionRequested())
                 return;
             msleep(10);
         }
     }
 }
 //![processing the image (finish)]
-
-void RenderThread::stopProcess()
-{
-    mutex.lock();
-    m_abort = true;
-    mutex.unlock();
-}