cds/os/details/fake_topology.h

   1 //$$CDS-header$$
   2
   3 #ifndef __CDS_OS_DETAILS_FAKE_TOPOLOGY_H
   4 #define __CDS_OS_DETAILS_FAKE_TOPOLOGY_H
   5
   6 #include <cds/details/defs.h>
   7 #include <cds/threading/model.h>
   8
   9 //@cond
  10 namespace cds { namespace OS { namespace details {
  11
  12     /// Fake system topology
  13     struct fake_topology {
  14         /// Logical processor count for the system
  15         static unsigned int processor_count()
  16         {
  17             return 1;
  18         }
  19
  20         /// Get current processor number
  21         /**
  22             The function emulates "current processor number" using thread-specific data.
  23         */
  24         static unsigned int current_processor()
  25         {
  26             // Use fake "current processor number" assigned for current thread
  27             return (unsigned int) threading::Manager::fake_current_processor();
  28         }
  29
  30         /// Synonym for \ref current_processor
  31         static unsigned int native_current_processor()
  32         {
  33             return current_processor();
  34         }
  35     };
  36 }}}  // namespace cds::OS::details
  37 //@endcond
  38
  39 #endif  // #ifndef __CDS_OS_DETAILS_FAKE_TOPOLOGY_H