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C# WaitForPendingFinalizers

Adam, the developer answered on October 15, 2022 Popularity 1/10 Helpfulness 1/10

answer C# WaitForPendingFinalizers

C# WaitForPendingFinalizers

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// Suspends the current thread until 
// the thread that is processing the 
// queue of finalizers has emptied that
// queue.

public static void WaitForPendingFinalizers ();

// Below is the example on
// how to use the method 
// to suspend the current thread 
// until finalization of all the
// collected objects is complete.

using System;

namespace WaitForPendingFinalizersExample
{
   class MyWaitForPendingFinalizersClass
   {
    // You can increase this number to fill up more memory.
    const int numMfos = 1000;
    // You can increase this number to cause more
    // post-finalization work to be done.
    const int maxIterations = 100;

    static void Main(string[] args)
    {
       MyFinalizeObject mfo = null;

       // Create and release a large number of objects
       // that require finalization.
       for(int j = 0; j < numMfos; j++)
       {
          mfo = new MyFinalizeObject();
       }

       //Release the last object created in the loop.
       mfo = null;

       //Force garbage collection.
       GC.Collect();

       // Wait for all finalizers to complete before continuing.
       // Without this call to GC.WaitForPendingFinalizers,
       // the worker loop below might execute at the same time
       // as the finalizers.
       // With this call, the worker loop executes only after
       // all finalizers have been called.
       GC.WaitForPendingFinalizers();

       // Worker loop to perform post-finalization code.
       for(int i = 0; i < maxIterations; i++)
       {
          Console.WriteLine("Doing some post-finalize work");
       }
    }
   }

   class MyFinalizeObject
   {
    // Make this number very large to cause the finalizer to
    // do more work.
    private const int maxIterations = 10000;

    ~MyFinalizeObject()
    {
       Console.WriteLine("Finalizing a MyFinalizeObject");
            
       // Do some work.
       for(int i = 0; i < maxIterations; i++)
       {
          // This method performs no operation on i, but prevents
          // the JIT compiler from optimizing away the code inside
          // the loop.
          GC.KeepAlive(i);
       }
        }
    }
}

Popularity 1/10 Helpfulness 1/10 Language csharp

Source: learn.microsoft.com

Tags: c#

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Contributed on Oct 15 2022

Adam, the developer

0 Answers Avg Quality 2/10

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