Move libcds 1.6.0 from SVN

[libcds.git] / cds / os / osx / topology.h

diff --git a/cds/os/osx/topology.h b/cds/os/osx/topology.h
new file mode 100644 (file)
index 0000000..a1a84e9
--- /dev/null
+++ b/cds/os/osx/topology.h
@@ -0,0 +1,60 @@
+//$$CDS-header$$
+
+#ifndef __CDS_OS_OSX_TOPOLOGY_H
+#define __CDS_OS_OSX_TOPOLOGY_H
+
+#ifndef __CDS_OS_TOPOLOGY_H
+#   error "<cds/os/topology.h> must be included instead"
+#endif
+
+#include <cds/os/details/fake_topology.h>
+
+namespace cds { namespace OS {
+    /// Linux-specific wrappers
+    CDS_CXX11_INLINE_NAMESPACE namespace OS_X {
+
+        /// System topology
+        /**
+            The implementation assumes that processor IDs are in numerical order
+            from 0 to N - 1, where N - count of processor in the system
+        */
+        struct topology: public OS::details::fake_topology
+        {
+        private:
+            //@cond
+            typedef OS::details::fake_topology  base_class;
+            static unsigned int     s_nProcessorCount;
+            //@endcond
+        public:
+
+            /// Logical processor count for the system
+            static unsigned int processor_count()
+            {
+                return s_nProcessorCount;
+            }
+
+            /// Get current processor number
+            static unsigned int current_processor()
+            {
+                return base_class::current_processor();
+            }
+
+            /// Synonym for \ref current_processor
+            static unsigned int native_current_processor()
+            {
+                return current_processor();
+            }
+
+            //@cond
+            static void init();
+            static void fini();
+            //@endcond
+        };
+    }   // namespace OS_X
+
+#ifndef CDS_CXX11_INLINE_NAMESPACE_SUPPORT
+    using OS_X::topology;
+#endif
+}}  // namespace cds::OS
+
+#endif  // #ifndef __CDS_OS_OSX_TOPOLOGY_H