Changeset 57611 in vbox for trunk

Timestamp:

Sep 3, 2015 2:38:36 PM (9 years ago)

Author:

vboxsync

Message:

FE/Qt: Thread-pool: Move medium-enumeration's thread-pool object to VBoxGlobal scope to be used by other parties.

Location:

trunk/src/VBox/Frontends/VirtualBox/src

Files:

trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxGlobal.cpp

-              r57591
+              r57611
 # include "QIDialogButtonBox.h"
 # include "UIIconPool.h"
+# include "UIThreadPool.h"
 # include "UIShortcutPool.h"
 # include "UIExtraDataManager.h"
 …
     , mSettingsPwSet(false)
     , m_pIconPool(0)
+    , m_pThreadPool(0)
+{
     /* Assign instance: */
 …
             this, SLOT(sltHandleVBoxSVCAvailabilityChange(bool)));
+    /* Prepare thread-pool instance: */
+    m_pThreadPool = new UIThreadPool(3 /* worker count */, 5000 /* worker timeout */);
     /* create default non-null global settings */
     gset = VBoxGlobalSettings (false);
 …
     UIConverter::cleanup();
+    /* Cleanup thread-pool: */
+    delete m_pThreadPool;
+    m_pThreadPool = 0;
     /* Cleanup general icon-pool: */
     delete m_pIconPool;

-              r57590
+              r57611
 class UIMedium;
 class UIIconPoolGeneral;
+class UIThreadPool;
 #ifdef Q_WS_X11
 class UIDesktopWidgetWatchdog;
 …
     /** Returns the VBoxSVC availability value. */
     bool isVBoxSVCAvailable() const { return m_fVBoxSVCAvailable; }
+    /** Returns the thread-pool instance. */
+    UIThreadPool* threadPool() const { return m_pThreadPool; }
     /** @name Host-screen geometry stuff
 …
     /** General icon-pool. */
     UIIconPoolGeneral *m_pIconPool;
+    /** Holds the thread-pool instance. */
+    UIThreadPool *m_pThreadPool;
     /* API: Instance stuff: */

-              r56125
+              r57611
+UIMediumEnumerator::UIMediumEnumerator(ulong uWorkerCount /* = 3*/, ulong uWorkerTimeout /* = 5000*/)
+    : m_pThreadPool(0)
+    , m_fMediumEnumerationInProgress(false)
+UIMediumEnumerator::UIMediumEnumerator()
+    : m_fMediumEnumerationInProgress(false)
+{
     /* Allow UIMedium to be used in inter-thread signals: */
 …
     connect(gVBoxEvents, SIGNAL(sigMachineRegistered(QString, bool)), this, SLOT(sltHandleMachineRegistration(QString, bool)));
+    /* Prepare thread-pool: */
+    m_pThreadPool = new UIThreadPool(uWorkerCount, uWorkerTimeout);
+    connect(m_pThreadPool, SIGNAL(sigTaskComplete(UITask*)), this, SLOT(sltHandleMediumEnumerationTaskComplete(UITask*)));
+    /* Listen for global thread-pool: */
+    connect(vboxGlobal().threadPool(), SIGNAL(sigTaskComplete(UITask*)), this, SLOT(sltHandleMediumEnumerationTaskComplete(UITask*)));
+}
 UIMediumEnumerator::~UIMediumEnumerator()
+{
-    /* Delete thread-pool: */
-    delete m_pThreadPool;
-    m_pThreadPool = 0;
     /* Delete all the tasks: */
     while (!m_tasks.isEmpty())
 …
     /* Append to internal list: */
     m_tasks.append(pTask);
     /* Post into thread-pool: */
     m_pThreadPool->enqueueTask(pTask);
+    /* Post into global thread-pool: */
+    vboxGlobal().threadPool()->enqueueTask(pTask);
+}

-              r55401
+              r57611
 public:
+    /* Constructor/destructor: */
+    UIMediumEnumerator(ulong uWorkerCount = 3, ulong uWorkerTimeout = 5000);
+    /** Constructs medium-enumerator object. */
+    UIMediumEnumerator();
+    /** Destructs medium-enumerator object. */
     ~UIMediumEnumerator();
 …
     /* Variables: */
-    UIThreadPool *m_pThreadPool;
     bool m_fMediumEnumerationInProgress;
     QList<UITask*> m_tasks;

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