1 files changed, 24 insertions, 0 deletions
diff --git a/toolkit/components/backgroundtasks/tests/BackgroundTask_update_sync_manager.sys.mjs b/toolkit/components/backgroundtasks/tests/BackgroundTask_update_sync_manager.sys.mjs
new file mode 100644
index 0000000000..dfdbd817e9
--- /dev/null
+++ b/toolkit/components/backgroundtasks/tests/BackgroundTask_update_sync_manager.sys.mjs
@@ -0,0 +1,24 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+export async function runBackgroundTask(commandLine) {
+  let syncManager = Cc["@mozilla.org/updates/update-sync-manager;1"].getService(
+    Ci.nsIUpdateSyncManager
+  );
+
+  if (commandLine.length) {
+    let appPath = commandLine.getArgument(0);
+    let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
+    file.initWithPath(appPath);
+    syncManager.resetLock(file);
+  }
+
+  let exitCode = syncManager.isOtherInstanceRunning() ? 80 : 81;
+  console.error(
+    `runBackgroundTask: update_sync_manager exiting with exitCode ${exitCode}`
+  );
+
+  return exitCode;
+}