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+5
Tishawn45
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    Thread Blocking ?

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    • Post n°1

    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  darrween483 Tue Sep 07, 2010 6:45 pm

    However, sometimes I need to close all the threads and my question is, how can I do this, since some of them are blocked? I guess I probably can close the sockets which will generate an exception, but is there any nicer ways of doing this(waking them up when they are blocked)?

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    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  Stephany297 Thu Sep 16, 2010 6:33 pm

    In computer science, a thread of execution is the smallest unit of processing that can be scheduled by an operating system. It generally results from a fork of a computer program into two or more concurrently running tasks. The implementation of threads and processes differs from one operating system to another, but in most cases, a thread is contained inside a process. Multiple threads can exist within the same process and share resources such as memory, while different processes do not share these resources. In particular, the threads of a process share the latter's instructions.
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    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  alpyssa12 Tue Nov 02, 2010 6:23 pm

    Thread Blocking is undesirable for many reasons. An obvious reason is that while the thread is blocked, it cannot accomplish anything. If the blocked thread is performing a high-priority or real-time task, it is highly undesirable to halt its progress.

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    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  aaric61 Mon Dec 20, 2010 11:27 am

    In computer science, a thread of execution is the smallest unit of processing that can be scheduled by an operating system. It generally results from a fork of a computer program into two or more concurrently running tasks. The implementation of threads and processes differs from one operating system to another, but in most cases, a thread is contained inside a process.
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    • Post n°5

    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  Tishawn45 Mon Jan 17, 2011 2:21 pm

    A daemon thread will allow the JVM to shut down, but the thread won't have a chance to clean up after itself, which is the goal here.

    On the other hand, you can never be 100% assured that the JVM (or the entire machine) won't crash, in which case the threads won't have a chance to clean up after themselves anyway, so you need to be prepared for that possibility anyway.

    That said, another solution is to call Thread.interrupt() to interrupt the blocking thread, which can catch the InterruptedException or InterruptedIOException and clean up.




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    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  mmicky30 Wed Feb 09, 2011 10:37 am

    However, sometimes I need to close all the threads and my question is, how can I do this, since some of them are blocked? I guess I probably can close the sockets which will generate an exception, but is there any nicer ways of doing this(waking them up when they are blocked)?
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    • Post n°7

    Thread Blocking ? Empty Thread Blocking

    Post  maaza5417 Mon Feb 21, 2011 4:21 pm

    A thread that is prevented from executing is said to be blocked.
    A thread may be blocked for the following reasons.
    *
    1) It has been put to sleep for a set amount of time

    2) It is suspended with a call to suspend() and will be blocked until a resume() message
    *
    3) The thread is suspended by call to wait(), and will become runnable on a notify or notify all message.
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    • Post n°8

    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  williams9394 Wed Apr 27, 2011 3:36 pm

    A block and tackle can reduce the amount of energy (force) required to lift an object. While the device is quite simple, the rope must be properly threaded through the device in order for it to work properly. The device is very simple, as is the proper threading of the rope.

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    • Post n°9

    Thread Blocking ? Empty Re: Thread Blocking ?

    Post  dion6959 Mon May 28, 2012 6:50 pm

    more precisely blocking thread is waiting for a messages on a external messaging system queue, and the system is shutting down.
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    Thread Blocking ? Empty Re: Thread Blocking ?

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