Changeset 57664 in vbox for trunk

Timestamp:

Sep 9, 2015 1:10:13 PM (9 years ago)

Author:

vboxsync

Message:

FE/Qt: Thread-pool: Use the task types to distinguish one kind of tasks from another.

Location:

trunk/src/VBox/Frontends/VirtualBox/src

Files:

• globals/UIThreadPool.h (modified) (3 diffs)
• medium/UIMediumEnumerator.cpp (modified) (2 diffs)

trunk/src/VBox/Frontends/VirtualBox/src/globals/UIThreadPool.h

@@ -94 +94 @@
         /** Holds the queue (FIFO) of pending tasks. */
         QQueue<UITask*> m_tasks;
-        /** Holds the condition variable that gets signalled when
+       /** Holds the condition variable that gets signalled when
           * queuing a new task and there are idle worker threads around.
           * @remarks Idle threads sits in dequeueTask waiting for this.
@@ -121 +121 @@
 public:
 
-    /** Constructs worker-thread task. */
-    UITask() {}
+    /** Task types. */
+    enum Type
+    {
+        Type_MediumEnumeration = 1,
+    };
+
+    /** Constructs the task of passed @a type. */
+    UITask(UITask::Type type) : m_type(type) {}
+
+    /** Returns the type of the task. */
+    UITask::Type type() const { return m_type; }
 
     /** Starts the task. */
@@ -132 +141 @@
       * @remarks To be reimplemented in sub-class. */
     virtual void run() = 0;
+
+private:
+
+    /** Holds the type of the task. */
+    const UITask::Type m_type;
 };
 

trunk/src/VBox/Frontends/VirtualBox/src/medium/UIMediumEnumerator.cpp

@@ -47 +47 @@
     /** Constructs @a medium enumeration task. */
     UITaskMediumEnumeration(const UIMedium &medium)
+        : UITask(UITask::Type_MediumEnumeration)
     {
         /* Store medium as property: */
@@ -273 +274 @@
 {
     /* Make sure that is one of our tasks: */
+    if (pTask->type() != UITask::Type_MediumEnumeration)
+        return;
     int iIndexOfTask = m_tasks.indexOf(pTask);
     AssertReturnVoid(iIndexOfTask != -1);