From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 ipc/glue/BrowserProcessSubThread.h | 76 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 ipc/glue/BrowserProcessSubThread.h

(limited to 'ipc/glue/BrowserProcessSubThread.h')

diff --git a/ipc/glue/BrowserProcessSubThread.h b/ipc/glue/BrowserProcessSubThread.h
new file mode 100644
index 000000000..e1b4aef46
--- /dev/null
+++ b/ipc/glue/BrowserProcessSubThread.h
@@ -0,0 +1,76 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_BrowserProcessSubThread_h
+#define mozilla_ipc_BrowserProcessSubThread_h
+
+#include "base/thread.h"
+#include "mozilla/StaticMutex.h"
+
+#include "nsDebug.h"
+
+namespace mozilla {
+namespace ipc {
+
+// Copied from browser_process_impl.cc, modified slightly.
+class BrowserProcessSubThread : public base::Thread
+{
+public:
+  // An enumeration of the well-known threads.
+  enum ID {
+      IO,
+      //FILE,
+      //DB,
+      //HISTORY,
+#if defined(OS_LINUX)
+      // This thread has a second connection to the X server and is used
+      // to process UI requests when routing the request to the UI
+      // thread would risk deadlock.
+      BACKGROUND_X11,
+#endif
+
+      // This identifier does not represent a thread.  Instead it counts
+      // the number of well-known threads.  Insert new well-known
+      // threads before this identifier.
+      ID_COUNT
+  };
+
+  explicit BrowserProcessSubThread(ID aId);
+  ~BrowserProcessSubThread();
+
+  static MessageLoop* GetMessageLoop(ID identifier);
+
+protected:
+  virtual void Init();
+  virtual void CleanUp();
+
+private:
+  // The identifier of this thread.  Only one thread can exist with a given
+  // identifier at a given time.
+  ID mIdentifier;
+
+  // This lock protects |browser_threads_|.  Do not read or modify that array
+  // without holding this lock.  Do not block while holding this lock.
+
+  static StaticMutex sLock;
+
+  // An array of the ChromeThread objects.  This array is protected by |lock_|.
+  // The threads are not owned by this array.  Typically, the threads are owned
+  // on the UI thread by the g_browser_process object.  ChromeThreads remove
+  // themselves from this array upon destruction.
+  static BrowserProcessSubThread* sBrowserThreads[ID_COUNT];
+};
+
+inline void AssertIOThread()
+{
+  NS_ASSERTION(MessageLoop::TYPE_IO == MessageLoop::current()->type(),
+               "should be on the IO thread!");
+}
+
+} // namespace ipc
+} // namespace mozilla
+
+#endif // mozilla_ipc_BrowserProcessSubThread_h
-- 
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