fixed adding file problem

[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / cds / os / aix / topology.h

diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/os/aix/topology.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/os/aix/topology.h
new file mode 100644 (file)
index 0000000..02d8588
--- /dev/null
+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/os/aix/topology.h
@@ -0,0 +1,104 @@
+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+    Source code repo: http://github.com/khizmax/libcds/
+    Download: http://sourceforge.net/projects/libcds/files/
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, this
+      list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef CDSLIB_OS_AIX_TOPOLOGY_H
+#define CDSLIB_OS_AIX_TOPOLOGY_H
+
+#ifndef CDSLIB_OS_TOPOLOGY_H
+#   error "<cds/os/topology.h> must be included instead"
+#endif
+
+#include <cds/os/details/fake_topology.h>
+
+#include <unistd.h>
+
+#ifdef _AIX53
+#   include <sys/processor.h>
+#endif
+
+namespace cds { namespace OS {
+
+    ///  IBM AIX specific wrappers
+    inline namespace Aix {
+
+        /// System topology
+        /**
+            The implementation assumes that the 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;
+            //@endcond
+        public:
+            /// Logical processor count for the system
+            static unsigned int processor_count()
+            {
+                long nCount = ::sysconf(_SC_NPROCESSORS_ONLN);
+                if ( nCount == -1 )
+                    return  1;
+                return (unsigned int) nCount;
+            }
+
+            /// Get current processor number
+            /**
+                Caveat: AIX has no "get current processor number" system call.
+                The function emulates "current processor number" using thread-specific data.
+            */
+            static unsigned int current_processor()
+            {
+#           if defined(_AIX53) && _AIX53 == 1
+                // AIX 5.3 has undocumented function mycpu() in sys/processor.h
+                return ::mycpu();
+#           else
+                return base_class::current_processor();
+#           endif
+            }
+
+            /// Synonym for \ref current_processor
+            static unsigned int native_current_processor()
+            {
+                return current_processor();
+            }
+
+            //@cond
+            static void init()
+            {}
+            static void fini()
+            {}
+            //@endcond
+        };
+    }   // namespace Aix
+
+}}  // namespace cds::OS
+
+#endif  // #ifndef CDSLIB_OS_AIX_TOPOLOGY_H