Use the asynchronous implementation for resume, suspend, step etc provided by eclipse 3.1.

debug/org.eclipse.cdt.debug.core/ChangeLog

@@ -1,3 +1,9 @@
+2005-01-11 Mikhail Khodjaiants
+	Use the asynchronous implementation for resume, suspend, step etc provided by eclipse 3.1.
+	* CDebugTarget.java
+	* CThread.java
+	* CoreModelMessages.properties
+
 2005-01-10 Mikhail Khodjaiants
 	Use the asynchronous implementation for resume, suspend, step etc provided by eclipse 3.1.
 	* CDebugTarget.java

debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CDebugTarget.java

@@ -910,23 +910,13 @@ public class CDebugTarget extends CDebugElement implements ICDebugTarget, ICDIEv
 		changeState( CDebugElementState.RESTARTING );
 		ICDILocation location = getCDITarget().createLocation( "", "main", 0 ); //$NON-NLS-1$ //$NON-NLS-2$
 		setInternalTemporaryBreakpoint( location );
-		DebugPlugin.getDefault().asyncExec( new Runnable() {
+		try {
-
+			getCDITarget().restart();
-			public void run() {
+		}
-				try {
+		catch( CDIException e ) {
-					getCDITarget().restart();
+			restoreOldState();
-				}
+			targetRequestFailed( e.getMessage(), e );
-				catch( CDIException e ) {
+		}
-					restoreOldState();
-					try {
-						targetRequestFailed( e.getMessage(), e );
-					}
-					catch( DebugException e1 ) {
-						failed( CoreModelMessages.getString( "CDebugTarget.6" ), e1 ); //$NON-NLS-1$
-					}
-				}
-			}
-		} );
 	}
 
 	/**
@@ -1498,23 +1488,13 @@ public class CDebugTarget extends CDebugElement implements ICDebugTarget, ICDIEv
 		if ( !canResume() )
 			return;
 		changeState( CDebugElementState.RESUMING );
-		DebugPlugin.getDefault().asyncExec( new Runnable() {
+		try {
-
+			getCDITarget().resume( false );
-			public void run() {
+		}
-				try {
+		catch( CDIException e ) {
-					getCDITarget().resume( false );
+			restoreOldState();
-				}
+			targetRequestFailed( e.getMessage(), e );
-				catch( CDIException e ) {
+		}
-					restoreOldState();
-					try {
-						targetRequestFailed( e.getMessage(), e );
-					}
-					catch( DebugException e1 ) {
-						failed( CoreModelMessages.getString( "CDebugTarget.7" ), e1 ); //$NON-NLS-1$
-					}
-				}
-			}
-		} );
 	}
 
 	/* (non-Javadoc)
@@ -1804,12 +1784,6 @@ public class CDebugTarget extends CDebugElement implements ICDebugTarget, ICDIEv
 		fMemoryBlockRetrieval = memoryBlockRetrieval;
 	}
 
-	protected void failed( String message, Throwable e ) {
-		MultiStatus ms = new MultiStatus( CDebugModel.getPluginIdentifier(), ICDebugInternalConstants.STATUS_CODE_ERROR, message, null );
-		ms.add( new Status( IStatus.ERROR, CDebugModel.getPluginIdentifier(), ICDebugInternalConstants.STATUS_CODE_ERROR, e.getMessage(), e ) );
-		CDebugUtils.error( ms, this );
-	}
-
 	private void changeState( CDebugElementState state ) {
 		setState( state );
 		Iterator it = getThreadList().iterator();

debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CThread.java

@@ -15,8 +15,6 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
-import org.eclipse.cdt.debug.core.CDebugModel;
-import org.eclipse.cdt.debug.core.CDebugUtils;
 import org.eclipse.cdt.debug.core.cdi.CDIException;
 import org.eclipse.cdt.debug.core.cdi.ICDIBreakpointHit;
 import org.eclipse.cdt.debug.core.cdi.ICDIEndSteppingRange;
@@ -43,11 +41,7 @@ import org.eclipse.cdt.debug.core.model.IDummyStackFrame;
 import org.eclipse.cdt.debug.core.model.IRestart;
 import org.eclipse.cdt.debug.core.model.IResumeWithoutSignal;
 import org.eclipse.cdt.debug.core.model.IRunToLine;
-import org.eclipse.cdt.debug.internal.core.ICDebugInternalConstants;
 import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.MultiStatus;
-import org.eclipse.core.runtime.Status;
 import org.eclipse.debug.core.DebugEvent;
 import org.eclipse.debug.core.DebugException;
 import org.eclipse.debug.core.model.IBreakpoint;
@@ -860,12 +854,6 @@ public class CThread extends CDebugElement implements ICThread, IRestart, IResum
 		return ((CDebugTarget)getDebugTarget()).isInstructionSteppingEnabled();
 	}
 
-	protected void failed( String message, Throwable e ) {
-		MultiStatus ms = new MultiStatus( CDebugModel.getPluginIdentifier(), ICDebugInternalConstants.STATUS_CODE_ERROR, message, null );
-		ms.add( new Status( IStatus.ERROR, CDebugModel.getPluginIdentifier(), ICDebugInternalConstants.STATUS_CODE_ERROR, e.getMessage(), e ) );
-		CDebugUtils.error( ms, this );
-	}
-
 	protected void suspendByTarget( ICDISessionObject reason, ICDIThread suspensionThread ) {
 		setState( CDebugElementState.SUSPENDED );
 		setCurrentStateInfo( null );

debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CoreModelMessages.properties

@@ -12,12 +12,6 @@ CDebugTarget.Unable_to_get_globals_1=Unable to get globals. Reason:
 CArrayPartition.0=Type is not available.
 CArrayPartition.1=Qualified name is not available.
 CDebugTarget.1=Execution is suspended because of error.
-CDebugTarget.2=Terminate failed.
-CDebugTarget.3=Resume failed.
-CDebugTarget.4=Suspend failed.
-CDebugTarget.5=Disconnect failed.
-CDebugTarget.6=Restart failed.
-CDebugTarget.7=Resume without signal failed.
 CModificationVariable.0=Unable to set value.
 CModificationVariable.1=Unable to set value.
 CStackFrame.0={0} at {1}: {2}

debug/org.eclipse.cdt.debug.ui/ChangeLog

@@ -1,3 +1,11 @@
+2005-01-11 Mikhail Khodjaiants
+	Use the asynchronous implementation for resume, suspend, step etc provided by eclipse 3.1.
+	* plugin.xml
+	* AbstractDebugActionDelegate.java
+	* RestartActionDelegate.java
+	* SignalZeroWorkbenchActionDelegate.java
+	* SignalZeroObjectActionDelegate.java: removed
+
 2005-01-04 Mikhail Khodjaiants
 	Removed the disassembly editor extension.
 	* plugin.xml

debug/org.eclipse.cdt.debug.ui/plugin.xml

@@ -215,12 +215,7 @@
                menubarPath="stepGroup"
                enablesFor="1"
                id="org.eclipse.cdt.debug.internal.ui.actions.RestartActionDelegate">
-            <enablement>
+            <selection class="org.eclipse.cdt.debug.core.model.IRestart"/>
-               <pluginState
-                     value="activated"
-                     id="org.eclipse.cdt.debug.ui">
-               </pluginState>
-            </enablement>
          </action>
          <action
                state="false"
@@ -240,6 +235,17 @@
                </pluginState>
             </enablement>
          </action>
+         <action
+               helpContextId="signal_zero_action_context"
+               enablesFor="1"
+               label="%SignalZeroAction.label"
+               tooltip="%SignalZeroAction.tooltip"
+               icon="icons/full/clcl16/signal0_co.gif"
+               class="org.eclipse.cdt.debug.internal.ui.actions.SignalZeroWorkbenchActionDelegate"
+               menubarPath="threadGroup"
+               id="org.eclipse.cdt.debug.internal.ui.actions.SignalZeroWorkbenchActionDelegate">
+            <selection class="org.eclipse.cdt.debug.core.model.IResumeWithoutSignal"/>
+         </action>
       </viewerContribution>
       <viewerContribution
             targetID="#CEditorRulerContext"
@@ -514,21 +520,6 @@
       <objectContribution
             objectClass="org.eclipse.cdt.debug.core.model.IResumeWithoutSignal"
             id="org.eclipse.cdt.debug.ui.DebugTargetActions">
-         <action
-               label="%SignalZeroAction.label"
-               icon="icons/full/clcl16/signal0_co.gif"
-               helpContextId="signal_zero_action_context"
-               class="org.eclipse.cdt.debug.internal.ui.actions.SignalZeroObjectActionDelegate"
-               menubarPath="threadGroup"
-               enablesFor="1"
-               id="org.eclipse.cdt.debug.internal.ui.actions.SignalZeroObjectActionDelegate">
-            <enablement>
-               <pluginState
-                     value="activated"
-                     id="org.eclipse.cdt.debug.ui">
-               </pluginState>
-            </enablement>
-         </action>
       </objectContribution>
       <objectContribution
             objectClass="org.eclipse.cdt.debug.core.model.ICastToType"
@@ -749,12 +740,7 @@
                helpContextId="restart_action_context"
                label="%RestartAction.label"
                tooltip="%RestartAction.tooltip">
-            <enablement>
+            <selection class="org.eclipse.cdt.debug.core.model.IRestart"/>
-               <pluginState
-                     value="activated"
-                     id="org.eclipse.cdt.debug.ui">
-               </pluginState>
-            </enablement>
          </action>
          <action
                state="false"

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/AbstractDebugActionDelegate.java

@@ -1,6 +1,6 @@
 /*******************************************************************************
  * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
+ * All rights reserved. This program and the accompanying materials 
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
@@ -10,18 +10,25 @@
  *******************************************************************************/
 package org.eclipse.cdt.debug.internal.ui.actions;
 
+
 import java.util.Iterator;
 
+import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.MultiStatus;
+import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.debug.core.DebugException;
-import org.eclipse.debug.internal.ui.DebugUIPlugin;
 import org.eclipse.debug.ui.IDebugUIConstants;
 import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.ui.IActionDelegate2;
 import org.eclipse.ui.INullSelectionListener;
 import org.eclipse.ui.ISelectionListener;
 import org.eclipse.ui.IViewActionDelegate;
@@ -31,7 +38,7 @@ import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.IWorkbenchWindowActionDelegate;
 
-public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowActionDelegate, IViewActionDelegate, ISelectionListener, INullSelectionListener {
+public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowActionDelegate, IViewActionDelegate, IActionDelegate2, ISelectionListener, INullSelectionListener {
 	
 	/**
 	 * The underlying action for this delegate
@@ -46,7 +53,7 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	/**
 	 * Cache of the most recent seletion
 	 */
-	private IStructuredSelection fSelection;
+	private IStructuredSelection fSelection = StructuredSelection.EMPTY;
 	
 	/**
 	 * Whether this delegate has been initialized
@@ -59,6 +66,54 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	 */
 	protected IWorkbenchWindow fWindow;
 	
+	/**
+	 * Background job for this action, or <code>null</code> if none.
+	 */
+	private DebugRequestJob fBackgroundJob = null;
+	
+	class DebugRequestJob extends Job {
+	    
+	    private Object[] fElements = null;
+
+	    /** 
+	     * Constructs a new job to perform a debug request (for example, step)
+	     * in the background.
+	     * 
+	     * @param name job name
+	     */
+	    public DebugRequestJob(String name) {
+	        super(name);
+	        setPriority(Job.INTERACTIVE);
+	    }
+	    
+        /* (non-Javadoc)
+         * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
+         */
+        protected IStatus run(IProgressMonitor monitor) {
+		    MultiStatus status= 
+				new MultiStatus(CDebugUIPlugin.getUniqueIdentifier(), DebugException.REQUEST_FAILED, getStatusMessage(), null);
+		    for (int i = 0; i < fElements.length; i++) {
+				Object element= fElements[i];
+				try {
+					doAction(element);
+				} catch (DebugException e) {
+					status.merge(e.getStatus());
+				}
+			}
+			return status;
+        }
+        
+        /**
+         * Sets the selection to operate on.
+         * 
+         * @param elements
+         */
+        public void setTargets(Object[] elements) {
+            fElements = elements;
+        }
+	    
+	}
+	
 	/**
 	 * It's crucial that delegate actions have a zero-arg constructor so that
 	 * they can be reflected into existence when referenced in an action set
@@ -67,17 +122,19 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	public AbstractDebugActionDelegate() {
 	}
 	
-	/**
+	/* (non-Javadoc)
-	 * @see IWorkbenchWindowActionDelegate#dispose()
+	 * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
 	 */
 	public void dispose(){
 		if (getWindow() != null) {
 			getWindow().getSelectionService().removeSelectionListener(IDebugUIConstants.ID_DEBUG_VIEW, this);
 		}
+		fBackgroundJob = null;
+        fSelection= null;
 	}
 
-	/**
+	/* (non-Javadoc)
-	 * @see IWorkbenchWindowActionDelegate#init(IWorkbenchWindow)
+	 * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
 	 */
 	public void init(IWorkbenchWindow window){
 		// listen to selection changes in the debug view
@@ -85,36 +142,74 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 		window.getSelectionService().addSelectionListener(IDebugUIConstants.ID_DEBUG_VIEW, this);
 	}
 
-	/**
+	/* (non-Javadoc)
-	 * @see IActionDelegate#run(IAction)
+	 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 	 */
 	public void run(IAction action){
-		IStructuredSelection selection= getSelection();
+	    if (action.isEnabled()) {
-		
+			IStructuredSelection selection = getSelection();
-		final Iterator enum= selection.iterator();
+			// disable the action so it cannot be run again until an event or selection change
-		String pluginId= DebugUIPlugin.getUniqueIdentifier();
+			// updates the enablement
-		final MultiStatus ms= 
+			action.setEnabled(false);
-			new MultiStatus(pluginId, DebugException.REQUEST_FAILED, getStatusMessage(), null); 
+			if (isRunInBackground()) {
+				runInBackground(action, selection);
+			} else {
+				runInForeground(selection);
+			}
+	    }
+	}
+	
+	/**
+	 * Runs this action in a background job.
+	 */
+	private void runInBackground(IAction action, IStructuredSelection selection) {
+	    if (fBackgroundJob == null) {
+			fBackgroundJob = new DebugRequestJob(action.getText());
+	    }
+	    fBackgroundJob.setTargets(selection.toArray());
+		fBackgroundJob.schedule();
+	}
+	
+	/**
+	 * Runs this action in the UI thread.
+	 */
+	private void runInForeground(final IStructuredSelection selection) {
+	    final MultiStatus status= 
+			new MultiStatus(CDebugUIPlugin.getUniqueIdentifier(), DebugException.REQUEST_FAILED, getStatusMessage(), null); 	    
 		BusyIndicator.showWhile(Display.getCurrent(), new Runnable() {
 			public void run() {
-				while (enum.hasNext()) {
+			    Iterator selectionIter = selection.iterator();
-					Object element= enum.next();
+				while (selectionIter.hasNext()) {
+					Object element= selectionIter.next();
 					try {
 						doAction(element);
 					} catch (DebugException e) {
-						ms.merge(e.getStatus());
+						status.merge(e.getStatus());
 					}
 				}
 			}
 		});
+		reportErrors(status);
+	}
+
+	private void reportErrors(final MultiStatus ms) {
 		if (!ms.isOK()) {
-			IWorkbenchWindow window= DebugUIPlugin.getActiveWorkbenchWindow();
+			IWorkbenchWindow window= CDebugUIPlugin.getActiveWorkbenchWindow();
 			if (window != null) {
-				DebugUIPlugin.errorDialog(window.getShell(), getErrorDialogTitle(), getErrorDialogMessage(), ms);
+				ErrorDialog.openError(window.getShell(), getErrorDialogTitle(), getErrorDialogMessage(), ms);
 			} else {
-				DebugUIPlugin.log(ms);
+				CDebugUIPlugin.log(ms);
 			}
-		}		
+		}
+	}
+
+	/**
+	 * Returns whether or not this action should be run in the background.
+	 * Subclasses may override.
+	 * @return whether or not this action should be run in the background
+	 */
+	protected boolean isRunInBackground() {
+		return false;
 	}
 
 	/**
@@ -133,7 +228,7 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	 * in the debug view only.
 	 * </p>
 	 * 
-	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
+	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
 	 */
 	public void selectionChanged(IAction action, ISelection s) {
 		boolean wasInitialized= initialize(action, s);		
@@ -186,8 +281,8 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 		return ""; //$NON-NLS-1$
 	}
 
-	/**
+	/* (non-Javadoc)
-	 * @see IViewActionDelegate#init(IViewPart)
+	 * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart)
 	 */
 	public void init(IViewPart view) {
 		fViewPart = view;
@@ -238,13 +333,6 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	 * @return structured selection
 	 */	
 	protected IStructuredSelection getSelection() {
-		if (getView() != null) {
-			//cannot used the cached selection in a view
-			//as the selection can be out of date for context menu
-			//actions. See bug 14556
-			ISelection s= getView().getViewSite().getSelectionProvider().getSelection();
-			return (s instanceof IStructuredSelection)? (IStructuredSelection)s : StructuredSelection.EMPTY;
-		}
 		return fSelection;
 	}
 	
@@ -256,9 +344,9 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	private void setSelection(IStructuredSelection selection) {
 		fSelection = selection;
 	}	
-	
+
-	/**
+	/* (non-Javadoc)
-	 * @see ISelectionListener#selectionChanged(IWorkbenchPart, ISelection)
+	 * @see org.eclipse.ui.ISelectionListener#selectionChanged(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
 	 */
 	public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 		update(getAction(), selection);
@@ -299,9 +387,9 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 		if (selection.size() == 0) {
 			return false;
 		}
-		Iterator enum= selection.iterator();
+		Iterator itr= selection.iterator();
-		while (enum.hasNext()) {
+		while (itr.hasNext()) {
-			Object element= enum.next();
+			Object element= itr.next();
 			if (!isEnabledFor(element)) {
 				return false;
 			}
@@ -312,4 +400,17 @@ public abstract class AbstractDebugActionDelegate implements IWorkbenchWindowAct
 	protected boolean isEnabledFor(Object element) {
 		return true;
 	}
-}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event)
+	 */
+	public void runWithEvent(IAction action, Event event) {
+		run(action);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction)
+	 */
+	public void init(IAction action) {
+	}
+}

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/RestartActionDelegate.java

@@ -72,4 +72,11 @@ public class RestartActionDelegate extends AbstractListenerActionDelegate {
 	protected String getErrorDialogTitle() {
 		return ActionMessages.getString( "RestartActionDelegate.2" ); //$NON-NLS-1$
 	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.debug.internal.ui.actions.AbstractDebugActionDelegate#isRunInBackground()
+	 */
+	protected boolean isRunInBackground() {
+		return true;
+	}
 }

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/SignalZeroObjectActionDelegate.java

@@ -1,105 +0,0 @@
-/**********************************************************************
- * Copyright (c) 2004 QNX Software Systems and others.
- * All rights reserved.   This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- * 
- * Contributors: 
- * QNX Software Systems - Initial API and implementation
- ***********************************************************************/
-package org.eclipse.cdt.debug.internal.ui.actions;
-
-import org.eclipse.cdt.debug.core.model.IResumeWithoutSignal;
-import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
-import org.eclipse.core.runtime.MultiStatus;
-import org.eclipse.debug.core.DebugException;
-import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.swt.custom.BusyIndicator;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.ui.IObjectActionDelegate;
-import org.eclipse.ui.IWorkbenchPart;
-import org.eclipse.ui.IWorkbenchWindow;
-import org.eclipse.ui.actions.ActionDelegate;
-
-/**
- * The object contribution delegate of the "Resume Without Signal" action.
- */
-public class SignalZeroObjectActionDelegate extends ActionDelegate implements IObjectActionDelegate {
-
-	private IResumeWithoutSignal fTarget = null;
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
-	 */
-	public void setActivePart( IAction action, IWorkbenchPart targetPart ) {
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.IActionDelegate#run(IAction)
-	 */
-	public void run( IAction action ) {
-		if ( getTarget() != null ) {
-			final MultiStatus ms = new MultiStatus( CDebugUIPlugin.getUniqueIdentifier(), DebugException.REQUEST_FAILED, ActionMessages.getString( "SignalZeroObjectActionDelegate.0" ), null ); //$NON-NLS-1$
-			BusyIndicator.showWhile( Display.getCurrent(), new Runnable() {
-
-				public void run() {
-					try {
-						doAction( getTarget() );
-					}
-					catch( DebugException e ) {
-						ms.merge( e.getStatus() );
-					}
-				}
-			} );
-			if ( !ms.isOK() ) {
-				IWorkbenchWindow window = CDebugUIPlugin.getActiveWorkbenchWindow();
-				if ( window != null ) {
-					CDebugUIPlugin.errorDialog( ActionMessages.getString( "SignalZeroObjectActionDelegate.1" ), ms ); //$NON-NLS-1$
-				}
-				else {
-					CDebugUIPlugin.log( ms );
-				}
-			}
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
-	 */
-	public void selectionChanged( IAction action, ISelection selection ) {
-		if ( selection instanceof IStructuredSelection ) {
-			Object element = ((IStructuredSelection)selection).getFirstElement();
-			if ( element instanceof IResumeWithoutSignal ) {
-				boolean enabled = ((IResumeWithoutSignal)element).canResumeWithoutSignal();
-				action.setEnabled( enabled );
-				if ( enabled ) {
-					setTarget( (IResumeWithoutSignal)element );
-					return;
-				}
-			}
-		}
-		action.setEnabled( false );
-		setTarget( null );
-	}
-
-	protected void doAction( IResumeWithoutSignal target ) throws DebugException {
-		target.resumeWithoutSignal();
-	}
-
-	protected IResumeWithoutSignal getTarget() {
-		return fTarget;
-	}
-
-	protected void setTarget( IResumeWithoutSignal target ) {
-		fTarget = target;
-	}
-}

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/SignalZeroWorkbenchActionDelegate.java

@@ -61,4 +61,11 @@ public class SignalZeroWorkbenchActionDelegate extends AbstractListenerActionDel
 	protected String getErrorDialogTitle() {
 		return ActionMessages.getString( "SignalZeroWorkbenchActionDelegate.2" ); //$NON-NLS-1$
 	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.debug.internal.ui.actions.AbstractDebugActionDelegate#isRunInBackground()
+	 */
+	protected boolean isRunInBackground() {
+		return true;
+	}
 }