cds/os/posix/fake_topology.h

   1 //$$CDS-header$$
   2
   3 #ifndef __CDS_OS_POSIX_FAKE_TOPOLOGY_H
   4 #define __CDS_OS_POSIX_FAKE_TOPOLOGY_H
   5
   6 #ifndef __CDS_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 #include <unistd.h>
  12
  13 namespace cds { namespace OS {
  14     namespace posix {
  15         /// Fake system topology
  16         struct topology {
  17             /// Logical processor count for the system. Always returns 1
  18             static unsigned int processor_count()
  19             {
  20                 return 1;
  21             }
  22
  23             /// Get current processor number
  24             /**
  25                 Always returns 0
  26             */
  27             static unsigned int current_processor()
  28             {
  29                 return 0;
  30             }
  31
  32             /// Synonym for \ref current_processor
  33             static unsigned int native_current_processor()
  34             {
  35                 return current_processor();
  36             }
  37
  38             //@cond
  39             static void init()
  40             {}
  41             static void fini()
  42             {}
  43             //@endcond
  44         };
  45     }   // namespace posix
  46
  47     using posix::topology;
  48 }}  // namespace cds::OS
  49
  50 #endif  // #ifndef __CDS_OS_POSIX_FAKE_TOPOLOGY_H