dom/plugins/ipc/hangui/MiniShmChild.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef mozilla_plugins_MiniShmChild_h
michael@0 8 #define mozilla_plugins_MiniShmChild_h
michael@0 9
michael@0 10 #include "MiniShmBase.h"
michael@0 11
michael@0 12 #include <string>
michael@0 13
michael@0 14 namespace mozilla {
michael@0 15 namespace plugins {
michael@0 16
michael@0 17 /**
michael@0 18 * This class provides a lightweight shared memory interface for a child
michael@0 19 * process in Win32.
michael@0 20 * This code assumes that there is a parent-child relationship between
michael@0 21 * processes, as it inherits handles from the parent process.
michael@0 22 * Note that this class is *not* an IPDL actor.
michael@0 23 *
michael@0 24 * @see MiniShmParent
michael@0 25 */
michael@0 26 class MiniShmChild : public MiniShmBase
michael@0 27 {
michael@0 28 public:
michael@0 29 MiniShmChild();
michael@0 30 virtual ~MiniShmChild();
michael@0 31
michael@0 32 /**
michael@0 33 * Initialize shared memory on the child side.
michael@0 34 *
michael@0 35 * @param aObserver A MiniShmObserver object to receive event notifications.
michael@0 36 * @param aCookie Cookie obtained from MiniShmParent::GetCookie
michael@0 37 * @param aTimeout Timeout in milliseconds.
michael@0 38 * @return nsresult error code
michael@0 39 */
michael@0 40 nsresult
michael@0 41 Init(MiniShmObserver* aObserver, const std::wstring& aCookie,
michael@0 42 const DWORD aTimeout);
michael@0 43
michael@0 44 virtual nsresult
michael@0 45 Send() MOZ_OVERRIDE;
michael@0 46
michael@0 47 protected:
michael@0 48 void
michael@0 49 OnEvent() MOZ_OVERRIDE;
michael@0 50
michael@0 51 private:
michael@0 52 HANDLE mParentEvent;
michael@0 53 HANDLE mParentGuard;
michael@0 54 HANDLE mChildEvent;
michael@0 55 HANDLE mChildGuard;
michael@0 56 HANDLE mFileMapping;
michael@0 57 HANDLE mRegWait;
michael@0 58 LPVOID mView;
michael@0 59 DWORD mTimeout;
michael@0 60
michael@0 61 DISALLOW_COPY_AND_ASSIGN(MiniShmChild);
michael@0 62 };
michael@0 63
michael@0 64 } // namespace plugins
michael@0 65 } // namespace mozilla
michael@0 66
michael@0 67 #endif // mozilla_plugins_MiniShmChild_h
michael@0 68

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