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  4. How to stop a thread from another thread.

How to stop a thread from another thread.

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  • J jmkhael

    Check the CEvent for MFC or the events in general for WIN32 The main idea: in the loop of the thread that you want to stop, call WaitForSingleObject with WAIT_OBJECT_0 on the event handle, and in case it is signaled you just have to return :) and in the other thread just signal the event Papa while (TRUE) Papa.WillLove ( Bebe ) ;

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    224917
    wrote on last edited by
    #5

    i told that was one way and perhaps the simplest. see wot Jeffery Ricther has to say. [^] "its easy to make complex and complex to make simple" :)


    It's not a bug, it's an undocumented feature.
    suhredayan@omniquad.com

    messenger :suhredayan@hotmail.com

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    • 2 224917

      i told that was one way and perhaps the simplest. see wot Jeffery Ricther has to say. [^] "its easy to make complex and complex to make simple" :)


      It's not a bug, it's an undocumented feature.
      suhredayan@omniquad.com

      messenger :suhredayan@hotmail.com

      P Offline
      P Offline
      Prakash Nadar
      wrote on last edited by
      #6

      Both are easy and simple to use, but i would rather go with events as it sure that it would be thread safe.


      God is Real, unless declared Integer.

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      • 2 224917

        i told that was one way and perhaps the simplest. see wot Jeffery Ricther has to say. [^] "its easy to make complex and complex to make simple" :)


        It's not a bug, it's an undocumented feature.
        suhredayan@omniquad.com

        messenger :suhredayan@hotmail.com

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        P Offline
        Prakash Nadar
        wrote on last edited by
        #7

        suhredayan® wrote: see wot Jeffery Ricther has to say. either Jeffery is ur pal ,or you been eating pages of his book.:laugh:


        God is Real, unless declared Integer.

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        • P Prakash Nadar

          Both are easy and simple to use, but i would rather go with events as it sure that it would be thread safe.


          God is Real, unless declared Integer.

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          2 Offline
          224917
          wrote on last edited by
          #8

          sounds nice.. please explain the need for thread saftey for this line: g_fExit = true :confused: that also with the help of an MFC object !


          It's not a bug, it's an undocumented feature.
          suhredayan@omniquad.com

          messenger :suhredayan@hotmail.com

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          • P Prakash Nadar

            suhredayan® wrote: see wot Jeffery Ricther has to say. either Jeffery is ur pal ,or you been eating pages of his book.:laugh:


            God is Real, unless declared Integer.

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            2 Offline
            224917
            wrote on last edited by
            #9

            maatha>pitha>guru>god btw not a pal, but > god thats wot i have learnt.


            It's not a bug, it's an undocumented feature.
            suhredayan@omniquad.com

            messenger :suhredayan@hotmail.com

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            • 2 224917

              sounds nice.. please explain the need for thread saftey for this line: g_fExit = true :confused: that also with the help of an MFC object !


              It's not a bug, it's an undocumented feature.
              suhredayan@omniquad.com

              messenger :suhredayan@hotmail.com

              P Offline
              P Offline
              Prakash Nadar
              wrote on last edited by
              #10

              No, i am not tring to be within the context on this problem only... In general senario where threads need to be syncronised i would use kernel objects rather than some variables.;)


              God is Real, unless declared Integer.

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              • D Deepak Samuel

                Hi, I created a thread using the AfxBeginthread function. How do I stop this thread from another thread. MSDN resources say that its dangerous to use call TerminateThread. I tried using it too, but it failed to terminate it. Thanks, Deepak Samuel.

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                Blake Miller
                wrote on last edited by
                #11

                PostThreadMessage(ThreadId, WM_QUIT, 0, 0);

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                • P Prakash Nadar

                  No, i am not tring to be within the context on this problem only... In general senario where threads need to be syncronised i would use kernel objects rather than some variables.;)


                  God is Real, unless declared Integer.

                  2 Offline
                  2 Offline
                  224917
                  wrote on last edited by
                  #12

                  it 'd 'nt be fair if i dont mention the risk of deadlock. For any big and complex program it 'd be programmers nightmare to maintain all those handles. if he has lot of threads and want to stop them form others. seems you didnt faced any such problem yet.


                  It's not a bug, it's an undocumented feature.
                  suhredayan@omniquad.com

                  messenger :suhredayan@hotmail.com

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                  • 2 224917

                    it 'd 'nt be fair if i dont mention the risk of deadlock. For any big and complex program it 'd be programmers nightmare to maintain all those handles. if he has lot of threads and want to stop them form others. seems you didnt faced any such problem yet.


                    It's not a bug, it's an undocumented feature.
                    suhredayan@omniquad.com

                    messenger :suhredayan@hotmail.com

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                    P Offline
                    Prakash Nadar
                    wrote on last edited by
                    #13

                    suhredayan® wrote: if he has lot of threads and want to stop them form others thats what kernel object are for, using it efficiently gives good results.


                    God is Real, unless declared Integer.

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                    • P Prakash Nadar

                      suhredayan® wrote: if he has lot of threads and want to stop them form others thats what kernel object are for, using it efficiently gives good results.


                      God is Real, unless declared Integer.

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                      224917
                      wrote on last edited by
                      #14

                      i would be greatful if you explain the pitfall in following line if executed from multiple thread. g_fExitThread=true; or atleast the need from the kernal resource, to do the above.


                      It's not a bug, it's an undocumented feature.
                      suhredayan@omniquad.com

                      messenger :suhredayan@hotmail.com

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                      • B Blake Miller

                        PostThreadMessage(ThreadId, WM_QUIT, 0, 0);

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                        224917
                        wrote on last edited by
                        #15

                        The problem with using PostThreadMessage or SendNotifyMessage is that worker threads typically don't have message loops, so these functions are not helpful always.


                        It's not a bug, it's an undocumented feature.
                        suhredayan@omniquad.com

                        messenger :suhredayan@hotmail.com

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                        • 2 224917

                          i would be greatful if you explain the pitfall in following line if executed from multiple thread. g_fExitThread=true; or atleast the need from the kernal resource, to do the above.


                          It's not a bug, it's an undocumented feature.
                          suhredayan@omniquad.com

                          messenger :suhredayan@hotmail.com

                          P Offline
                          P Offline
                          Prakash Nadar
                          wrote on last edited by
                          #16

                          Click[^]


                          God is Real, unless declared Integer.

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