1 files changed, 36 insertions, 0 deletions
diff --git a/dom/quota/Assertions.cpp b/dom/quota/Assertions.cpp
new file mode 100644
index 0000000000..a2dd155743
--- /dev/null
+++ b/dom/quota/Assertions.cpp
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "Assertions.h"
+
+namespace mozilla::dom::quota {
+
+bool IsOnIOThread() {
+  QuotaManager* quotaManager = QuotaManager::Get();
+  NS_ASSERTION(quotaManager, "Must have a manager here!");
+
+  bool currentThread;
+  return NS_SUCCEEDED(
+             quotaManager->IOThread()->IsOnCurrentThread(&currentThread)) &&
+         currentThread;
+}
+
+void AssertIsOnIOThread() {
+  NS_ASSERTION(IsOnIOThread(), "Running on the wrong thread!");
+}
+
+void DiagnosticAssertIsOnIOThread() { MOZ_DIAGNOSTIC_ASSERT(IsOnIOThread()); }
+
+void AssertCurrentThreadOwnsQuotaMutex() {
+#ifdef DEBUG
+  QuotaManager* quotaManager = QuotaManager::Get();
+  NS_ASSERTION(quotaManager, "Must have a manager here!");
+
+  quotaManager->AssertCurrentThreadOwnsQuotaMutex();
+#endif
+}
+
+}  // namespace mozilla::dom::quota