boost/libs/context/performance/bind_processor_freebsd.cpp
2018-01-12 21:47:58 +01:00

30 lines
696 B
C++

// Copyright Oliver Kowalke 2009.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include "bind_processor.hpp"
extern "C"
{
#include <sys/param.h>
#include <sys/cpuset.h>
}
#include <stdexcept>
#include <boost/config/abi_prefix.hpp>
void bind_to_processor( unsigned int n)
{
cpuset_t cpuset;
CPU_ZERO( & cpuset);
CPU_SET( n, & cpuset);
if ( ::cpuset_setaffinity( CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof( cpuset), & cpuset) == -1)
throw std::runtime_error("::cpuset_setaffinity() failed");
}
#include <boost/config/abi_suffix.hpp>