fixed adding file problem

[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / src / topology_hpux.cpp

diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/src/topology_hpux.cpp b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/src/topology_hpux.cpp
new file mode 100644 (file)
index 0000000..f6f2098
--- /dev/null
+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/src/topology_hpux.cpp
@@ -0,0 +1,107 @@
+/*
+    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.
+*/
+
+#include <cds/os/topology.h>
+
+#if CDS_OS_TYPE == CDS_OS_HPUX
+
+#include <cds/algo/atomic.h>
+#include <limits>
+
+namespace cds { namespace OS { inline namespace Hpux {
+
+    size_t topology::s_nProcMapSize = 0;
+    topology::processor_map * topology::s_procMap = nullptr;
+
+    void topology::make_processor_map()
+    {
+        spu_t nProc;
+        spu_t nMaxProcNo;
+
+        // Processor numbers are not sequential in HP-UX.
+
+        // Calculate max processor number
+        nProc = nMaxProcNo = ::mpctl( MPC_GETFIRSTSPU, 0, 0 );
+
+        while ( (nProc = ::mpctl( MPC_GETNEXTSPU, nProc, 0 )) != -1 ) {
+            if ( nMaxProcNo < nProc )
+                nMaxProcNo = nProc;
+        }
+
+        // Allocate processor map array
+        s_nProcMapSize = nMaxProcNo + 1;
+
+        // We cannot use operator new or std::allocator in this code
+        // since the initialization phase may be called from
+        // our overloaded operator new that based on cds::mihcael::Heap
+        // As a result, a deadlock may be occured
+        s_procMap = reinterpret_cast<processor_map *>(::malloc( sizeof(s_procMap[0]) * s_nProcMapSize ));
+        processor_map * pEnd = s_procMap + s_nProcMapSize;
+
+        for ( processor_map * p = s_procMap; p != pEnd; ++p ) {
+            p->nCell = 0;
+            p->nNativeProcNo = -1;
+            p->nProcNo = std::numeric_limits<unsigned int>::max();
+        }
+
+        // Fill processor map array
+        unsigned int nProcNo = 0;
+        nProc = ::mpctl( MPC_GETFIRSTSPU, 0, 0 );
+        s_procMap[ nProc ].nNativeProcNo = nProc;
+        s_procMap[ nProc ].nProcNo = nProcNo++;
+        s_procMap[ nProc ].nCell = ::mpctl( MPC_SPUTOLDOM, nProc, 0 );
+
+        while ( (nProc = ::mpctl( MPC_GETNEXTSPU, nProc, 0 )) != -1 ) {
+            processor_map * p = s_procMap + nProc;
+            p->nNativeProcNo = nProc;
+            p->nProcNo = nProcNo++;
+            p->nCell = ::mpctl( MPC_SPUTOLDOM, nProc, 0 );
+        }
+    }
+
+    void topology::init()
+    {
+        assert( s_procMap == nullptr );
+        make_processor_map();
+    }
+
+    void topology::fini()
+    {
+        assert( s_procMap );
+        if ( s_procMap ) {
+            ::free( s_procMap );
+
+            s_procMap = nullptr;
+        }
+    }
+
+}}} // namespace cds::OS::Hpux
+
+#endif  // #if CDS_OS_TYPE == CDS_OS_HPUX