Add family for reconciler jobs

bundles/org.eclipse.jface.text/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.jface.text
-Bundle-Version: 3.30.0.qualifier
+Bundle-Version: 3.30.100.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Export-Package: 
@@ -12,6 +12,7 @@ Export-Package:
  org.eclipse.jface.internal.text.codemining;x-internal:=true,
  org.eclipse.jface.internal.text.html;x-friends:="org.eclipse.ant.ui, org.eclipse.jdt.ui, org.eclipse.ltk.ui.refactoring, org.eclipse.pde.ui, org.eclipse.ui.editors, org.eclipse.xtext.ui",
  org.eclipse.jface.internal.text.link.contentassist;x-internal:=true,
+ org.eclipse.jface.internal.text.reconciler;x-internal:=true,
  org.eclipse.jface.internal.text.revisions;x-internal:=true,
  org.eclipse.jface.internal.text.source;x-internal:=true,
  org.eclipse.jface.text,

bundles/org.eclipse.jface.text/src/org/eclipse/jface/internal/text/reconciler/ReconcilerJobFamilies.java

@@ -0,0 +1,28 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Simeon Andreev and others.
+ *
+ * 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:
+ *     Simeon Andreev - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jface.internal.text.reconciler;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.jobs.IJobManager;
+
+public class ReconcilerJobFamilies {
+
+	/**
+	 * Constant identifying the job family identifier for the background reconciler job.
+	 *
+	 * @see IJobManager#join(Object, IProgressMonitor)
+	 */
+	public static final Object FAMILY_RECONCILER= new Object();
+
+}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/reconciler/AbstractReconciler.java

@@ -15,10 +15,14 @@
 
 import org.eclipse.core.runtime.Assert;
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.IJobFunction;
 import org.eclipse.core.runtime.jobs.Job;
 
+import org.eclipse.jface.internal.text.reconciler.ReconcilerJobFamilies;
+
 import org.eclipse.jface.text.DocumentEvent;
 import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.IDocumentListener;
@@ -227,7 +231,7 @@ public void startReconciling() {
 			if (!fStarted) {
 				fIsAlive= true;
 				fStarted= true;
-				Job.createSystem("Delayed Reconciler startup for " + fName, m -> { //$NON-NLS-1$
+				new ReconcilerJob("Delayed Reconciler startup for " + fName, m -> { //$NON-NLS-1$
 					//Until we process some code from the job, the reconciler thread is the current thread
 					fThread= Thread.currentThread();
 					delay();
@@ -679,4 +683,25 @@ protected synchronized boolean isRunningInReconcilerThread() {
 		}
 		return Thread.currentThread() == fWorker.fThread;
 	}
+
+	private static class ReconcilerJob extends Job {
+
+		private final IJobFunction function;
+
+		private ReconcilerJob(String name, IJobFunction function) {
+			super(name);
+			setSystem(true);
+			this.function= function;
+		}
+
+		@Override
+		protected IStatus run(IProgressMonitor monitor) {
+			return function.run(monitor);
+		}
+
+		@Override
+		public boolean belongsTo(Object family) {
+			return ReconcilerJobFamilies.FAMILY_RECONCILER == family;
+		}
+	}
 }