webrtc/system_wrappers/source/cpu_mac.h

45 lines
1.5 KiB
C++

/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_MAC_H_
#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_MAC_H_
#include "cpu_wrapper.h"
namespace webrtc {
class CpuWrapperMac : public CpuWrapper
{
public:
CpuWrapperMac();
virtual ~CpuWrapperMac();
virtual WebRtc_Word32 CpuUsage();
virtual WebRtc_Word32 CpuUsage(WebRtc_Word8* /*pProcessName*/,
WebRtc_UWord32 /*length*/) {return -1;}
virtual WebRtc_Word32 CpuUsage(WebRtc_UWord32 /*dwProcessID*/) {return -1;}
// Note: this class will block the call and sleep if called too fast
// This function blocks the calling thread if the thread is calling it more
// often than every 500 ms.
virtual WebRtc_Word32 CpuUsageMultiCore(WebRtc_UWord32& numCores,
WebRtc_UWord32*& array);
virtual void Reset() {}
virtual void Stop() {}
private:
WebRtc_UWord32* _cpuUsage;
WebRtc_Word64* _lastTickCount;
WebRtc_Word64 _lastTime;
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_MAC_H_