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[420] | 1 | #include "ChannelWorker.h" |
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| 2 | #include <osg/Notify> |
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| 3 | |
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| 4 | |
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| 5 | ChannelWorker::ChannelWorker(int numThreads, OpenThreads::Barrier& syncBarrier) |
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| 6 | : _numThreads(numThreads), _syncBarrier(syncBarrier), _done(false) |
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| 7 | { |
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| 8 | OSG_ALWAYS<<"ChannelWorker instantiated."<<std::endl; |
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| 9 | } |
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| 10 | |
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| 11 | ChannelWorker::~ChannelWorker() |
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| 12 | { |
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| 13 | cancel(); |
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| 14 | } |
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| 15 | |
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| 16 | void ChannelWorker::run() |
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| 17 | { |
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| 18 | OSG_ALWAYS<<"ID "<<getThreadId()<<" running!"<<std::endl; |
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| 19 | |
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| 20 | // Do the work |
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| 21 | int i=0; |
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| 22 | do |
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| 23 | { |
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| 24 | OSG_ALWAYS<<"ID "<<getThreadId()<<" :: itr "<<i++<<std::endl; |
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| 25 | |
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| 26 | for(int i=0;i<100;i++) |
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| 27 | OSG_ALWAYS<<""; |
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| 28 | |
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| 29 | } while (!testCancel() && !_done); // repeat as long it is canceld or set as Done |
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| 30 | |
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| 31 | |
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| 32 | //_syncBarrier.block(_numThreads); // Sync the threads. |
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| 33 | |
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| 34 | } |
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| 35 | |
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| 36 | void ChannelWorker::setDone(bool done) |
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| 37 | { |
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| 38 | _done = done; |
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| 39 | } |
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| 40 | |
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| 41 | int ChannelWorker::cancel() |
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| 42 | { |
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| 43 | OSG_ALWAYS<<"Cancelling ChannelWorker "<<this<<" isRunning()="<<isRunning()<<std::endl; |
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| 44 | |
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| 45 | if( isRunning() ) |
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| 46 | { |
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| 47 | _done = true; |
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| 48 | |
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| 49 | OSG_ALWAYS<<" Doing cancel "<<this<<std::endl; |
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| 50 | |
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| 51 | // then wait for the the thread to stop running. |
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| 52 | while(isRunning()) |
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| 53 | { |
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| 54 | // commenting out debug info as it was cashing crash on exit, presumable |
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| 55 | // due to OSG_NOTIFY or std::cout destructing earlier than this destructor. |
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| 56 | OSG_ALWAYS<<" Waiting for ChannelWorker to cancel "<<this<<std::endl; |
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| 57 | OpenThreads::Thread::YieldCurrentThread(); |
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| 58 | } |
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| 59 | } |
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| 60 | |
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| 61 | OSG_ALWAYS<<" ChannelWorker::cancel() thread cancelled "<<this<<" isRunning()="<<isRunning()<<std::endl; |
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| 62 | |
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| 63 | return 0; |
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| 64 | } |
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