gfx/ipc/SharedDIB.h
author Gaia Pushbot <release+gaiajson@mozilla.com>
Wed, 11 Sep 2013 09:00:25 -0700
changeset 146638 787feb7772d259c6c65133ef475c0c1307ff4882
parent 108531 938e09d5a465d16868b3f8fffc3c5488ed1f85ec
child 236994 aee0f61516c53778dba9c97c6cbd5c35750902e3
permissions -rw-r--r--
Bumping gaia.json for 2 gaia-central revision(s) ======== https://hg.mozilla.org/integration/gaia-central/rev/cdf75f3e9e3a Author: Fabien Cazenave <fabien@cazenave.cc> Desc: Merge pull request #12108 from fabi1cazenave/smsExplicitL10nArguments-bug915058 Bug 915058 - [SMS] use more explicit l10n arguments in dialog.js, r=julienw ======== https://hg.mozilla.org/integration/gaia-central/rev/d3eb0645e8d0 Author: Fabien Cazenave <fabien@cazenave.cc> Desc: Bug 915058 - [SMS] use more explicit l10n arguments in dialog.js, r=julienw

/* -*- 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 gfx_SharedDIB_h__
#define gfx_SharedDIB_h__

#include "base/shared_memory.h"
#include "nscore.h"

namespace mozilla {
namespace gfx {

class SharedDIB
{
public:
  typedef base::SharedMemoryHandle Handle;

public:
  SharedDIB();
  ~SharedDIB();

  // Create and allocate a new shared dib.
  nsresult Create(uint32_t aSize);

  // Destroy or release resources associated with this dib.
  nsresult Close();

  // Returns true if this object contains a valid dib.
  bool IsValid();

  // Wrap a new shared dib around allocated shared memory. Note aHandle must point
  // to a memory section large enough to hold a dib of size aSize, otherwise this
  // will fail.
  nsresult Attach(Handle aHandle, uint32_t aSize);

  // Returns a SharedMemoryHandle suitable for sharing with another process.
  nsresult ShareToProcess(base::ProcessHandle aChildProcess, Handle *aChildHandle);

protected:
  base::SharedMemory *mShMem;
};

} // gfx
} // mozilla

#endif