1 files changed, 38 insertions, 0 deletions
diff --git a/tools/code-coverage/CodeCoverageHandler.h b/tools/code-coverage/CodeCoverageHandler.h
new file mode 100644
index 0000000000..f3f4e2ee45
--- /dev/null
+++ b/tools/code-coverage/CodeCoverageHandler.h
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#ifndef mozilla_codecoveragehandler_h
+#define mozilla_codecoveragehandler_h
+
+#include "mozilla/StaticPtr.h"
+#include "mozilla/ipc/CrossProcessMutex.h"
+
+namespace mozilla {
+
+class CodeCoverageHandler {
+ public:
+  static void Init();
+  static void Init(const CrossProcessMutexHandle& aHandle);
+  static CodeCoverageHandler* Get();
+  CrossProcessMutex* GetMutex();
+  CrossProcessMutexHandle GetMutexHandle(int aProcId);
+  static void FlushCounters();
+  static void FlushCountersSignalHandler(int);
+
+ private:
+  CodeCoverageHandler();
+  explicit CodeCoverageHandler(const CrossProcessMutexHandle& aHandle);
+
+  static StaticAutoPtr<CodeCoverageHandler> instance;
+  CrossProcessMutex mGcovLock;
+
+  DISALLOW_COPY_AND_ASSIGN(CodeCoverageHandler);
+
+  void SetSignalHandlers();
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_codecoveragehandler_h