/usr/include/firefox-esr-52/mozilla/media/MediaSystemResourceManager.h is in firefox-esr-dev 52.8.1esr-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#if !defined(MediaSystemResourceManager_h_)
#define MediaSystemResourceManager_h_
#include <queue>
#include "MediaSystemResourceTypes.h"
#include "mozilla/ReentrantMonitor.h"
#include "mozilla/StaticPtr.h"
#include "nsDataHashtable.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace media {
class MediaSystemResourceManagerChild;
} // namespace media
class MediaSystemResourceClient;
class MediaSystemResourceReservationListener;
class ReentrantMonitor;
class TaskQueue;
/**
* Manage media system resource allocation requests within a process.
*/
class MediaSystemResourceManager
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MediaSystemResourceManager)
static MediaSystemResourceManager* Get();
static void Init();
static void Shutdown();
void OnIpcClosed();
void Register(MediaSystemResourceClient* aClient);
void Unregister(MediaSystemResourceClient* aClient);
bool SetListener(MediaSystemResourceClient* aClient,
MediaSystemResourceReservationListener* aListener);
void Acquire(MediaSystemResourceClient* aClient);
bool AcquireSyncNoWait(MediaSystemResourceClient* aClient);
void ReleaseResource(MediaSystemResourceClient* aClient);
void RecvResponse(uint32_t aId, bool aSuccess);
private:
MediaSystemResourceManager();
virtual ~MediaSystemResourceManager();
void OpenIPC();
void CloseIPC();
bool IsIpcClosed();
void DoAcquire(uint32_t aId);
void DoRelease(uint32_t aId);
void HandleAcquireResult(uint32_t aId, bool aSuccess);
ReentrantMonitor mReentrantMonitor;
bool mShutDown;
media::MediaSystemResourceManagerChild* mChild;
nsDataHashtable<nsUint32HashKey, MediaSystemResourceClient*> mResourceClients;
static StaticRefPtr<MediaSystemResourceManager> sSingleton;
};
} // namespace mozilla
#endif
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