Support multiple instances listening for debug output...

... only not simultaneously

Task-number: QTCREATORBUG-3443
Change-Id: Ie88ee305a1ad134d81a19cece42f7fd81fc08f16
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>

src/plugins/projectexplorer/appoutputpane.cpp

@@ -33,6 +33,7 @@
 #include "projectexplorersettings.h"
 #include "runconfiguration.h"
 #include "session.h"
+#include "windebuginterface.h"
 
 #include <coreplugin/actionmanager/actionmanager.h>
 #include <coreplugin/coreconstants.h>
@@ -203,6 +204,11 @@ AppOutputPane::AppOutputPane() :
             this, SLOT(aboutToUnloadSession()));
     connect(ProjectExplorerPlugin::instance(), SIGNAL(settingsChanged()),
             this, SLOT(updateFromSettings()));
+
+#ifdef Q_OS_WIN
+    connect(this, &AppOutputPane::allRunControlsFinished,
+            WinDebugInterface::instance(), &WinDebugInterface::stop);
+#endif
 }
 
 AppOutputPane::~AppOutputPane()

src/plugins/projectexplorer/windebuginterface.cpp

@@ -56,20 +56,25 @@ WinDebugInterface *WinDebugInterface::instance()
     return m_instance;
 }
 
+bool WinDebugInterface::stop()
+{
+    if (!m_waitHandles[TerminateEventHandle])
+        return false;
+    SetEvent(m_waitHandles[TerminateEventHandle]);
+    return true;
+}
+
 WinDebugInterface::WinDebugInterface(QObject *parent) :
     QThread(parent)
 {
     m_instance = this;
     setObjectName(QLatin1String("WinDebugInterfaceThread"));
-    start();
 }
 
 WinDebugInterface::~WinDebugInterface()
 {
-    if (m_waitHandles[TerminateEventHandle]) {
-        SetEvent(m_waitHandles[TerminateEventHandle]);
+    if (stop())
         wait(500);
-    }
     m_instance = 0;
 }
 

src/plugins/projectexplorer/windebuginterface.h

@@ -46,6 +46,8 @@ public:
 
     static WinDebugInterface *instance();
 
+    bool stop();
+
 signals:
     void debugOutput(qint64 pid, const QString &message);
     void cannotRetrieveDebugOutput();