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context: first import

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[SVN r79251]
This commit is contained in:
Oliver Kowalke
2012-07-03 19:12:31 +00:00
parent 2d8ebb63d0
commit b82dc1129b
35 changed files with 336 additions and 237 deletions
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13
performance/bind_processor_linux.cpp
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@@ -12,28 +12,19 @@ extern "C"
#include <sched.h>
}
#include <boost/assert.hpp>
#include <boost/thread.hpp>
#include <boost/system/system_error.hpp>
#include <stdexcept>
#include <boost/config/abi_prefix.hpp>
void bind_to_processor( unsigned int n)
{
BOOST_ASSERT( n >= 0);
BOOST_ASSERT( n < CPU_SETSIZE);
BOOST_ASSERT( n < boost::thread::hardware_concurrency() );
cpu_set_t cpuset;
CPU_ZERO( & cpuset);
CPU_SET( n, & cpuset);
int errno_( ::pthread_setaffinity_np( ::pthread_self(), sizeof( cpuset), & cpuset) );
if ( errno_ != 0)
throw boost::system::system_error(
boost::system::error_code(
errno_,
boost::system::system_category() ) );
throw std::runtime_error("::pthread_setaffinity_np() failed");
}
#include <boost/config/abi_suffix.hpp>