diff --git a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGDBRunControl.java b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGDBRunControl.java
new file mode 100644
index 00000000000..0ecbe109ec8
--- /dev/null
+++ b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGDBRunControl.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Wind River Systems and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     Marc-Andre Laperle - Mac OS version, fix for bug 265483
+ *******************************************************************************/
+
+package org.eclipse.cdt.dsf.gdb.service.macos;
+
+import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
+import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
+import org.eclipse.cdt.dsf.datamodel.DMContexts;
+import org.eclipse.cdt.dsf.gdb.internal.GdbPlugin;
+import org.eclipse.cdt.dsf.gdb.service.GDBRunControl;
+import org.eclipse.cdt.dsf.mi.service.IMIExecutionDMContext;
+import org.eclipse.cdt.dsf.mi.service.command.commands.MIExecInterrupt;
+import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo;
+import org.eclipse.cdt.dsf.service.DsfSession;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+
+public class MacOSGDBRunControl extends GDBRunControl {
+
+	public MacOSGDBRunControl(DsfSession session) {
+		super(session);
+	}
+
+	// We use the MIControl code since -exec-interrupt works with Apple gdb
+	// but SIGINT does not; it seems it runs in async mode by default
+	@Override
+	public void suspend(final IExecutionDMContext context, final RequestMonitor rm){
+		assert context != null;
+
+		canSuspend(
+				context, 
+				new DataRequestMonitor<Boolean>(getExecutor(), rm) {
+					@Override
+					protected void handleSuccess() {
+						if (getData()) {
+							MIExecInterrupt cmd = null;
+							if (context instanceof IContainerDMContext) {
+								cmd = new MIExecInterrupt(context);
+							} else {
+								IMIExecutionDMContext dmc = DMContexts.getAncestorOfType(context, IMIExecutionDMContext.class);
+								if (dmc == null) {
+									rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, NOT_SUPPORTED, "Given context: " + context + " is not an execution context.", null)); //$NON-NLS-1$ //$NON-NLS-2$
+									rm.done();
+									return;
+								}
+								cmd = new MIExecInterrupt(dmc);
+							}
+							getConnection().queueCommand(cmd, new DataRequestMonitor<MIInfo>(getExecutor(), rm));
+						} else {
+							rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INVALID_STATE, "Context cannot be suspended.", null)); //$NON-NLS-1$
+							rm.done();
+						}
+					}
+				});
+	}
+}
diff --git a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGdbDebugServicesFactory.java b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGdbDebugServicesFactory.java
index 348c3d8d42d..bc509469db5 100644
--- a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGdbDebugServicesFactory.java
+++ b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/gdb/service/macos/MacOSGdbDebugServicesFactory.java
@@ -7,11 +7,13 @@
  * 
  * Contributors:
  *     Marc-Andre Laperle - Added support for Mac OS (separate factory)
+ *     					  - fix for bug 265483
  *     Ericsson           - Added a field for the specific Mac OS version scheme
  *******************************************************************************/
 package org.eclipse.cdt.dsf.gdb.service.macos;
 
 import org.eclipse.cdt.dsf.debug.service.IExpressions;
+import org.eclipse.cdt.dsf.debug.service.IRunControl;
 import org.eclipse.cdt.dsf.gdb.service.GdbDebugServicesFactory;
 import org.eclipse.cdt.dsf.service.DsfSession;
 
@@ -33,4 +35,9 @@ public class MacOSGdbDebugServicesFactory extends GdbDebugServicesFactory {
 	protected IExpressions createExpressionService(DsfSession session) {
 		return new MacOSGDBExpressions(session);
 	}
+
+	@Override
+	protected IRunControl createRunControlService(DsfSession session) {
+		return new MacOSGDBRunControl(session);
+	}
 }