ipc/glue/BrowserProcessSubThread.h@b8a032363ba2 (annotated)
ipc/glue/BrowserProcessSubThread.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=8 et : |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef mozilla_ipc_BrowserProcessSubThread_h |
| michael@0 | 9 | #define mozilla_ipc_BrowserProcessSubThread_h |
| michael@0 | 10 | |
| michael@0 | 11 | #include "base/thread.h" |
| michael@0 | 12 | #include "base/lock.h" |
| michael@0 | 13 | |
| michael@0 | 14 | #include "nsDebug.h" |
| michael@0 | 15 | |
| michael@0 | 16 | class NotificationService; |
| michael@0 | 17 | |
| michael@0 | 18 | namespace mozilla { |
| michael@0 | 19 | namespace ipc { |
| michael@0 | 20 | |
| michael@0 | 21 | // Copied from browser_process_impl.cc, modified slightly. |
| michael@0 | 22 | class BrowserProcessSubThread : public base::Thread |
| michael@0 | 23 | { |
| michael@0 | 24 | public: |
| michael@0 | 25 | // An enumeration of the well-known threads. |
| michael@0 | 26 | enum ID { |
| michael@0 | 27 | IO, |
| michael@0 | 28 | //FILE, |
| michael@0 | 29 | //DB, |
| michael@0 | 30 | //HISTORY, |
| michael@0 | 31 | #if defined(OS_LINUX) |
| michael@0 | 32 | // This thread has a second connection to the X server and is used |
| michael@0 | 33 | // to process UI requests when routing the request to the UI |
| michael@0 | 34 | // thread would risk deadlock. |
| michael@0 | 35 | BACKGROUND_X11, |
| michael@0 | 36 | #endif |
| michael@0 | 37 | |
| michael@0 | 38 | // This identifier does not represent a thread. Instead it counts |
| michael@0 | 39 | // the number of well-known threads. Insert new well-known |
| michael@0 | 40 | // threads before this identifier. |
| michael@0 | 41 | ID_COUNT |
| michael@0 | 42 | }; |
| michael@0 | 43 | |
| michael@0 | 44 | explicit BrowserProcessSubThread(ID aId); |
| michael@0 | 45 | ~BrowserProcessSubThread(); |
| michael@0 | 46 | |
| michael@0 | 47 | static MessageLoop* GetMessageLoop(ID identifier); |
| michael@0 | 48 | |
| michael@0 | 49 | protected: |
| michael@0 | 50 | virtual void Init(); |
| michael@0 | 51 | virtual void CleanUp(); |
| michael@0 | 52 | |
| michael@0 | 53 | private: |
| michael@0 | 54 | // The identifier of this thread. Only one thread can exist with a given |
| michael@0 | 55 | // identifier at a given time. |
| michael@0 | 56 | ID mIdentifier; |
| michael@0 | 57 | |
| michael@0 | 58 | NotificationService* mNotificationService; |
| michael@0 | 59 | |
| michael@0 | 60 | // This lock protects |browser_threads_|. Do not read or modify that array |
| michael@0 | 61 | // without holding this lock. Do not block while holding this lock. |
| michael@0 | 62 | |
| michael@0 | 63 | // FIXME/cjones: XPCOM doesn't like static vars, so can't use |
| michael@0 | 64 | // mozilla::Mutex |
| michael@0 | 65 | static Lock sLock; |
| michael@0 | 66 | |
| michael@0 | 67 | // An array of the ChromeThread objects. This array is protected by |lock_|. |
| michael@0 | 68 | // The threads are not owned by this array. Typically, the threads are owned |
| michael@0 | 69 | // on the UI thread by the g_browser_process object. ChromeThreads remove |
| michael@0 | 70 | // themselves from this array upon destruction. |
| michael@0 | 71 | static BrowserProcessSubThread* sBrowserThreads[ID_COUNT]; |
| michael@0 | 72 | }; |
| michael@0 | 73 | |
| michael@0 | 74 | inline void AssertIOThread() |
| michael@0 | 75 | { |
| michael@0 | 76 | NS_ASSERTION(MessageLoop::TYPE_IO == MessageLoop::current()->type(), |
| michael@0 | 77 | "should be on the IO thread!"); |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | } // namespace ipc |
| michael@0 | 81 | } // namespace mozilla |
| michael@0 | 82 | |
| michael@0 | 83 | #endif // mozilla_ipc_BrowserProcessSubThread_h |
