ceph/src/boost/tools/build/src/engine/sysinfo.h

   1 /*  Copyright 2019 Rene Rivera
   2  *  Distributed under the Boost Software License, Version 1.0.
   3  *  (See accompanying file LICENSE.txt or https://www.bfgroup.xyz/b2/LICENSE.txt)
   4  */
   5
   6 #ifndef B2_SYSINFO_H
   7 #define B2_SYSINFO_H
   8
   9 # include "config.h"
  10
  11 namespace b2
  12 {
  13     /*
  14     Provides information about the system, hardware and software, we are
  15     running in.
  16     */
  17     class system_info
  18     {
  19         public:
  20
  21         system_info();
  22
  23         /*
  24         Returns the number of physical CPU cores if available. Otherwise
  25         returns 1.
  26
  27         Currently implemented for: OS_MACOSX.
  28         */
  29         unsigned int cpu_core_count();
  30
  31         /*
  32         Returns the number of logical CPU threads is available. Otherwise
  33         returns `spu_core_count()`.
  34
  35         Currently implemented for: OS_MACOSX.
  36         */
  37         unsigned int cpu_thread_count();
  38
  39         private:
  40
  41         unsigned int cpu_core_count_ = 0;
  42         unsigned int cpu_thread_count_ = 0;
  43     };
  44 }
  45
  46 #endif