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      1 /*
      2  *  Copyright 2008 The WebRTC Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_BASE_SYSTEMINFO_H__
     12 #define WEBRTC_BASE_SYSTEMINFO_H__
     13 
     14 #include <string>
     15 
     16 #include "webrtc/base/basictypes.h"
     17 
     18 namespace rtc {
     19 
     20 class SystemInfo {
     21  public:
     22   enum Architecture {
     23     SI_ARCH_UNKNOWN = -1,
     24     SI_ARCH_X86 = 0,
     25     SI_ARCH_X64 = 1,
     26     SI_ARCH_ARM = 2
     27   };
     28 
     29   SystemInfo();
     30 
     31   // The number of CPU Threads in the system.
     32   static int GetMaxCpus();
     33   // The number of CPU Threads currently available to this process.
     34   static int GetCurCpus();
     35   // Identity of the CPUs.
     36   Architecture GetCpuArchitecture();
     37   std::string GetCpuVendor();
     38   // Total amount of physical memory, in bytes.
     39   int64_t GetMemorySize();
     40   // The model name of the machine, e.g. "MacBookAir1,1"
     41   std::string GetMachineModel();
     42 
     43  private:
     44   static int logical_cpus_;
     45 };
     46 
     47 }  // namespace rtc
     48 
     49 #endif  // WEBRTC_BASE_SYSTEMINFO_H__
     50