Threading using QueueUserWorkItem

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  • Bharathi kumar
    #1

    Threading using QueueUserWorkItem

    Hi,

    Iam working in windows appln using .NET framework 2.0.


    My application is having several threads running.


    All threads can call a common method.


    I have following code in my common method.
    Threading.Threa dPool.QueueUser WorkItem(New Threading.WaitC allback(

    _
    AddressOf MyFunction))


    When I call the common method, its executing "MyFunction " twice.


    I want the "MyFunction " to execute only once.


    Any suggestions please.


    Regards,
    Bharathi Kumar

    Tags: None
    • Brian Gideon
      #2
      Re: Threading using QueueUserWorkIt em

      Bharathi,

      That's certainly not what's suppose to happen. I think you'll have to
      provide a short, but complete program that demonstrates the problem.

      Brian

      Bharathi kumar wrote:
      Hi,
      >
      Iam working in windows appln using .NET framework 2.0.
      >
      >
      My application is having several threads running.
      >
      >
      All threads can call a common method.
      >
      >
      I have following code in my common method.
      Threading.Threa dPool.QueueUser WorkItem(New Threading.WaitC allback(
      >
      _
      AddressOf MyFunction))
      >
      >
      When I call the common method, its executing "MyFunction " twice.
      >
      >
      I want the "MyFunction " to execute only once.
      >
      >
      Any suggestions please.
      >
      >
      Regards,
      Bharathi Kumar

        Comment

        • Bharathi kumar
          #3
          Re: Threading using QueueUserWorkIt em

          Hi,

          Iam sorry. Its working fine.

          One of my colleague had modified the code. They have added one more
          thread thats calling "MyFunction ".

          So "MyFunction " had called twice.

          I didn't notice that code and thought the behaviour was peculiar.

          Thank you very much,
          Regards,
          Bharathi Kumar.


          Brian Gideon wrote:
          Bharathi,
          >
          That's certainly not what's suppose to happen. I think you'll have to
          provide a short, but complete program that demonstrates the problem.
          >
          Brian
          >
          Bharathi kumar wrote:
          Hi,

          Iam working in windows appln using .NET framework 2.0.


          My application is having several threads running.


          All threads can call a common method.


          I have following code in my common method.
          Threading.Threa dPool.QueueUser WorkItem(New Threading.WaitC allback(

          _
          AddressOf MyFunction))


          When I call the common method, its executing "MyFunction " twice.


          I want the "MyFunction " to execute only once.


          Any suggestions please.


          Regards,
          Bharathi Kumar

            Comment

            • Brian Gideon
              #4
              Re: Threading using QueueUserWorkIt em

              Bharathi,

              I'm glad you figured it out.

              Brian

              Bharathi kumar wrote:
              Hi,
              >
              Iam sorry. Its working fine.
              >
              One of my colleague had modified the code. They have added one more
              thread thats calling "MyFunction ".
              >
              So "MyFunction " had called twice.
              >
              I didn't notice that code and thought the behaviour was peculiar.
              >
              Thank you very much,
              Regards,
              Bharathi Kumar.

                Comment

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