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Lines 78-83
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| 78 |
*/ |
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*/ |
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public class JDIThread extends JDIDebugElement implements IJavaThread { |
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public class JDIThread extends JDIDebugElement implements IJavaThread { |
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// Timeout setting for checking initial thread state |
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// JDIThread will keep asking the ThreadReference for thread state if it is |
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// suspended until the timeout has expired |
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private static final long THREAD_STATE_TIMEOUT = 1000; |
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// Timestamp when this thread is created |
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private long fCreationTimestamp = System.currentTimeMillis(); |
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// flag to indicate if the thread should refresh thread state |
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private boolean fCheckThreadState = false; |
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/** |
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/** |
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* Constant for the name of the default Java stratum |
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* Constant for the name of the default Java stratum |
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*/ |
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*/ |
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Lines 299-305
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// This may be a transient suspend state (for example, a thread is handling a |
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// This may be a transient suspend state (for example, a thread is handling a |
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// class prepare event quietly). The class prepare event handler will notify |
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// class prepare event quietly). The class prepare event handler will notify |
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// this thread when it resumes |
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// this thread when it resumes |
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setRunning(!fThread.isSuspended()); |
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boolean suspended = fThread.isSuspended(); |
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if (suspended) { |
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// we can be in transient suspend state, set thread state to |
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// true; |
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fCheckThreadState = true; |
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} |
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setRunning(!suspended); |
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} catch (VMDisconnectedException e) { |
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} catch (VMDisconnectedException e) { |
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disconnected(); |
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disconnected(); |
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return; |
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return; |
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Lines 1107-1114
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| 1107 |
* @see ISuspendResume#isSuspended() |
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* @see ISuspendResume#isSuspended() |
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*/ |
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*/ |
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public boolean isSuspended() { |
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public boolean isSuspended() { |
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if (fCheckThreadState) |
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{ |
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long currentTime = System.currentTimeMillis(); |
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if ((currentTime - fCreationTimestamp) > THREAD_STATE_TIMEOUT) |
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{ |
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// check thread state time out, set fCheckThreadState to false |
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fCheckThreadState = false; |
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} |
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// Need to refresh one last time after timeout |
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// This is to handle the case where no one has asked if this thread |
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// is suspended in the first 500 ms. (e.g. the thread is suspended but hidden in a view.) |
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// When the thread becomes visible, the state of the thread needs to be refreshed. |
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refreshThreadState(); |
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} |
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return !fRunning && !fTerminated; |
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return !fRunning && !fTerminated; |
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} |
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} |
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// Since this is in an internal package, can this be a |
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// public method? |
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private void refreshThreadState() { |
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try { |
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boolean suspended = fThread.isSuspended(); |
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setRunning(!suspended); |
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} catch (Exception e) { |
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// handle all errors silently as we may get into |
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// trouble when thread/VM is gone soon after it has been created |
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} |
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} |
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/** |
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/** |
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* @see ISuspendResume#isSuspended() |
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* @see ISuspendResume#isSuspended() |
