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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef INCLUDED_LIBGRAS_ALLOC_ON_NODE_HPP
#define INCLUDED_LIBGRAS_ALLOC_ON_NODE_HPP
#include <Theron/Assert.h>
#include <Theron/Detail/Threading/Utils.h>
//----------------------------------------------------------------------
//-- a little cross platform numa allocator
//-- use the existing theron defines for convenience
//----------------------------------------------------------------------
inline void *AllocOnNode(const long node, const size_t size)
{
#if THERON_NUMA
#if THERON_WINDOWS
#if _WIN32_WINNT >= 0x0600
return VirtualAllocExNuma(
GetCurrentProcess(),
NULL,
size,
MEM_RESERVE | MEM_COMMIT,
PAGE_READWRITE,
node
);
#else
return NULL;
#endif
#elif THERON_GCC
if ((numa_available() < 0))
{
return NULL;
}
return numa_alloc_onnode(size, node);
#endif
#endif // THERON_NUMA
return NULL;
}
//----------------------------------------------------------------------
//-- free memory allocated by AllocOnNode -- needs mem and size
//----------------------------------------------------------------------
inline void FreeOnNode(void *mem, const size_t size)
{
#if THERON_NUMA
#if THERON_WINDOWS
VirtualFree(mem, size, MEM_RELEASE);
#elif THERON_GCC
numa_free(mem, size);
#endif
#endif // THERON_NUMA
}
#endif /*INCLUDED_LIBGRAS_ALLOC_ON_NODE_HPP*/
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