Add support for the Resume Other Threads operation.

debug/org.eclipse.debug.core/core/org/eclipse/debug/core/commands/IResumeOthersHandler.java

@@ -0,0 +1,28 @@
+/*******************************************************************************
+ * Copyright (c) 2026 IBM Corporation.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.core.commands;
+
+/**
+ * A resume others handler typically resumes all suspended threads associated
+ * with the same debug target, excluding the selected thread.
+ * <p>
+ * Clients may implement this interface. The debug platform provides a "Resume
+ * Others" action that delegates to this handler interface.
+ * </p>
+ *
+ * @since 3.23
+ */
+public interface IResumeOthersHandler extends IDebugCommandHandler {
+
+}

debug/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/commands/CommandAdapterFactory.java

@@ -18,6 +18,7 @@
 import org.eclipse.debug.core.commands.IDisconnectHandler;
 import org.eclipse.debug.core.commands.IDropToFrameHandler;
 import org.eclipse.debug.core.commands.IResumeHandler;
+import org.eclipse.debug.core.commands.IResumeOthersHandler;
 import org.eclipse.debug.core.commands.IStepFiltersHandler;
 import org.eclipse.debug.core.commands.IStepIntoHandler;
 import org.eclipse.debug.core.commands.IStepOverHandler;
@@ -31,6 +32,7 @@
 import org.eclipse.debug.core.model.IStep;
 import org.eclipse.debug.core.model.ISuspendResume;
 import org.eclipse.debug.core.model.ITerminate;
+import org.eclipse.debug.core.model.IThread;
 
 /**
  * Adapter factory for debug commands.
@@ -48,6 +50,7 @@ public class CommandAdapterFactory implements IAdapterFactory {
 	private static IDisconnectHandler fgDisconnectCommand = new DisconnectCommand();
 	private static ISuspendHandler fgSuspendCommand = new SuspendCommand();
 	private static IResumeHandler fgResumeCommand = new ResumeCommand();
+	private static IResumeOthersHandler fgResumeOthersCommand = new ResumeOthersCommand();
 	private static IStepFiltersHandler fgStepFiltersCommand = new StepFiltersCommand();
 
 	@SuppressWarnings("unchecked")
@@ -91,6 +94,11 @@ public <T> T getAdapter(Object adaptableObject, Class<T> adapterType) {
 				return (T) fgResumeCommand;
 			}
 		}
+		if (IResumeOthersHandler.class.equals(adapterType)) {
+			if (adaptableObject instanceof ISuspendResume && adaptableObject instanceof IThread) {
+				return (T) fgResumeOthersCommand;
+			}
+		}
 		if (IDisconnectHandler.class.equals(adapterType)) {
 			if (adaptableObject instanceof IDisconnect) {
 				return (T) fgDisconnectCommand;
@@ -113,6 +121,7 @@ public Class<?>[] getAdapterList() {
 				IStepReturnHandler.class,
 				ISuspendHandler.class,
 				IResumeHandler.class,
+				IResumeOthersHandler.class,
 				IDropToFrameHandler.class,
 				IDisconnectHandler.class,
 				IStepFiltersHandler.class};

debug/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/commands/ResumeOthersCommand.java

@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * Copyright (c) 2026 IBM Corporation.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.internal.core.commands;
+
+import java.util.Arrays;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.debug.core.IRequest;
+import org.eclipse.debug.core.commands.IDebugCommandRequest;
+import org.eclipse.debug.core.commands.IResumeOthersHandler;
+import org.eclipse.debug.core.model.IDebugTarget;
+import org.eclipse.debug.core.model.IThread;
+
+/**
+ * Default resume others command for the standard debug model.
+ *
+ * @since 3.3
+ */
+public class ResumeOthersCommand extends SuspendCommand implements IResumeOthersHandler {
+
+	@Override
+	protected void execute(Object target) throws CoreException {
+		IThread currentThread = (IThread) target;
+		if (currentThread.canResume()) {
+			currentThread.resume();
+		}
+	}
+	@Override
+	protected void doExecute(Object[] targets, IProgressMonitor monitor, IRequest request) throws CoreException {
+
+		Set<IThread> selectedThreads = Arrays.stream(targets).map(IThread.class::cast).collect(Collectors.toSet());
+
+		IDebugTarget debugTarget = ((IThread) targets[0]).getDebugTarget();
+
+		for (IThread thread : debugTarget.getThreads()) {
+			if (!selectedThreads.contains(thread)) {
+				execute(thread);
+				monitor.worked(1);
+			}
+		}
+	}
+
+	@Override
+	protected boolean isExecutable(Object target) {
+		return ((IThread) target).canResume();
+	}
+
+	@Override
+	protected Object getEnabledStateJobFamily(IDebugCommandRequest request) {
+		return IResumeOthersHandler.class;
+	}
+
+}

debug/org.eclipse.debug.tests/src/org/eclipse/debug/tests/AutomatedSuite.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2023 IBM Corporation and others.
+ * Copyright (c) 2009, 2026 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -48,6 +48,7 @@
 import org.eclipse.debug.tests.statushandlers.StatusHandlerTests;
 import org.eclipse.debug.tests.stepfilters.StepFiltersTests;
 import org.eclipse.debug.tests.ui.LaunchConfigurationTabGroupViewerTest;
+import org.eclipse.debug.tests.ui.ResumeOthersCommandTests;
 import org.eclipse.debug.tests.ui.VariableValueEditorManagerTests;
 import org.eclipse.debug.tests.view.memory.MemoryRenderingTests;
 import org.eclipse.debug.tests.view.memory.TableRenderingTests;
@@ -142,6 +143,7 @@
 
 		// Logical structure
 		LogicalStructureCacheTest.class, //
+		ResumeOthersCommandTests.class,
 })
 public class AutomatedSuite {
 }