import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/xre/MacLaunchHelper.h

@@ -0,0 +1,23 @@
+/* -*- 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 MacLaunchHelper_h_
+#define MacLaunchHelper_h_
+
+#include <stdint.h>
+
+#include <unistd.h>
+
+extern "C" {
+  /**
+   * Passing an aPid parameter to LaunchChildMac will wait for the launched
+   * process to terminate. When the process terminates, aPid will be set to the
+   * pid of the terminated process to confirm that it executed successfully.
+   */
+  void LaunchChildMac(int aArgc, char** aArgv, pid_t* aPid = 0);
+  bool LaunchElevatedUpdate(int aArgc, char** aArgv, pid_t* aPid = 0);
+}
+
+#endif