import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

ipc/glue/ProcessChild.cpp

@@ -0,0 +1,52 @@
+/* -*- 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 "nsDebug.h"
+
+#ifdef XP_WIN
+#include <stdlib.h> // for _exit()
+#else
+#include <unistd.h> // for _exit()
+#endif
+
+#include "mozilla/ipc/IOThreadChild.h"
+#include "mozilla/ipc/ProcessChild.h"
+
+namespace mozilla {
+namespace ipc {
+
+ProcessChild* ProcessChild::gProcessChild;
+
+ProcessChild::ProcessChild(ProcessId aParentPid)
+  : ChildProcess(new IOThreadChild())
+  , mUILoop(MessageLoop::current())
+  , mParentPid(aParentPid)
+{
+  MOZ_ASSERT(mUILoop, "UILoop should be created by now");
+  MOZ_ASSERT(!gProcessChild, "should only be one ProcessChild");
+  gProcessChild = this;
+}
+
+ProcessChild::~ProcessChild()
+{
+  gProcessChild = nullptr;
+}
+
+/* static */ void
+ProcessChild::QuickExit()
+{
+#ifdef XP_WIN
+  // In bug 1254829, the destructor got called when dll got detached on windows,
+  // switch to TerminateProcess to bypass dll detach handler during the process
+  // termination.
+  TerminateProcess(GetCurrentProcess(), 0);
+#else
+  _exit(0);
+#endif
+}
+
+} // namespace ipc
+} // namespace mozilla