1 files changed, 46 insertions, 0 deletions
diff --git a/ipc/glue/ForkServer.h b/ipc/glue/ForkServer.h
new file mode 100644
index 0000000000..ba4ed9d44e
--- /dev/null
+++ b/ipc/glue/ForkServer.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=4 et sw=4 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/. */
+#ifndef __FORKSERVER_H_
+#define __FORKSERVER_H_
+
+#include "mozilla/UniquePtr.h"
+#include "base/process_util.h"
+#include "mozilla/ipc/MiniTransceiver.h"
+
+namespace mozilla {
+namespace ipc {
+
+class ForkServer {
+ public:
+  // NOTE: This can re-use the same ID as the initial IPC::Channel, as the
+  // initial IPC::Channel will not be used by the fork server.
+  static constexpr int kClientPipeFd = 3;
+
+  ForkServer();
+  ~ForkServer(){};
+
+  void InitProcess(int* aArgc, char*** aArgv);
+  bool HandleMessages();
+
+  // Called when a message is received.
+  void OnMessageReceived(UniquePtr<IPC::Message> message);
+
+  static bool RunForkServer(int* aArgc, char*** aArgv);
+
+ private:
+  UniquePtr<MiniTransceiver> mTcver;
+  UniquePtr<base::AppProcessBuilder> mAppProcBuilder;
+};
+
+enum {
+  Msg_ForkNewSubprocess__ID = 0x7f0,  // a random picked number
+  Reply_ForkNewSubprocess__ID,
+};
+
+}  // namespace ipc
+}  // namespace mozilla
+
+#endif  // __FORKSERVER_H_