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40 lines
1008 B
C++
40 lines
1008 B
C++
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// Copyright Oliver Kowalke 2009.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include "bind_processor.hpp"
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extern "C"
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{
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#include <pthread.h>
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#include <sched.h>
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}
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#include <boost/assert.hpp>
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#include <boost/thread.hpp>
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#include <boost/system/system_error.hpp>
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#include <boost/config/abi_prefix.hpp>
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void bind_to_processor( unsigned int n)
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{
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BOOST_ASSERT( n >= 0);
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BOOST_ASSERT( n < CPU_SETSIZE);
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BOOST_ASSERT( n < boost::thread::hardware_concurrency() );
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cpu_set_t cpuset;
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CPU_ZERO( & cpuset);
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CPU_SET( n, & cpuset);
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int errno_( ::pthread_setaffinity_np( ::pthread_self(), sizeof( cpuset), & cpuset) );
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if ( errno_ != 0)
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throw boost::system::system_error(
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boost::system::error_code(
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errno_,
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boost::system::system_category() ) );
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}
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#include <boost/config/abi_suffix.hpp>
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