cds/os/osx/topology.h

   1 //$$CDS-header$$
   2
   3 #ifndef CDSLIB_OS_OSX_TOPOLOGY_H
   4 #define CDSLIB_OS_OSX_TOPOLOGY_H
   5
   6 #ifndef CDSLIB_OS_TOPOLOGY_H
   7 #   error "<cds/os/topology.h> must be included instead"
   8 #endif
   9
  10 #include <cds/os/details/fake_topology.h>
  11
  12 namespace cds { namespace OS {
  13     /// Linux-specific wrappers
  14     CDS_CXX11_INLINE_NAMESPACE namespace OS_X {
  15
  16         /// System topology
  17         /**
  18             The implementation assumes that processor IDs are in numerical order
  19             from 0 to N - 1, where N - count of processor in the system
  20         */
  21         struct topology: public OS::details::fake_topology
  22         {
  23         private:
  24             //@cond
  25             typedef OS::details::fake_topology  base_class;
  26             static unsigned int     s_nProcessorCount;
  27             //@endcond
  28         public:
  29
  30             /// Logical processor count for the system
  31             static unsigned int processor_count()
  32             {
  33                 return s_nProcessorCount;
  34             }
  35
  36             /// Get current processor number
  37             static unsigned int current_processor()
  38             {
  39                 return base_class::current_processor();
  40             }
  41
  42             /// Synonym for \ref current_processor
  43             static unsigned int native_current_processor()
  44             {
  45                 return current_processor();
  46             }
  47
  48             //@cond
  49             static void init();
  50             static void fini();
  51             //@endcond
  52         };
  53     }   // namespace OS_X
  54
  55 #ifndef CDS_CXX11_INLINE_NAMESPACE_SUPPORT
  56     using OS_X::topology;
  57 #endif
  58 }}  // namespace cds::OS
  59
  60 #endif  // #ifndef CDSLIB_OS_OSX_TOPOLOGY_H