136 lines
2.5 KiB
C++
136 lines
2.5 KiB
C++
|
#ifndef BOOST_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
|
||
|
|
#define BOOST_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
|
||
|
|
|
||
|
|
// MS compatible compilers support #pragma once
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// boost/detail/lightweight_thread.hpp
|
||
|
|
//
|
||
|
|
// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
|
||
|
|
// Copyright (c) 2008 Peter Dimov
|
||
|
|
//
|
||
|
|
// 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 <boost/config.hpp>
|
||
|
|
#include <memory>
|
||
|
|
#include <cerrno>
|
||
|
|
|
||
|
|
// pthread_create, pthread_join
|
||
|
|
|
||
|
|
#if defined( BOOST_HAS_PTHREADS )
|
||
|
|
|
||
|
|
#include <pthread.h>
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#include <windows.h>
|
||
|
|
#include <process.h>
|
||
|
|
|
||
|
|
typedef HANDLE pthread_t;
|
||
|
|
|
||
|
|
int pthread_create( pthread_t * thread, void const *, unsigned (__stdcall * start_routine) (void*), void* arg )
|
||
|
|
{
|
||
|
|
HANDLE h = (HANDLE)_beginthreadex( 0, 0, start_routine, arg, 0, 0 );
|
||
|
|
|
||
|
|
if( h != 0 )
|
||
|
|
{
|
||
|
|
*thread = h;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return EAGAIN;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int pthread_join( pthread_t thread, void ** /*value_ptr*/ )
|
||
|
|
{
|
||
|
|
::WaitForSingleObject( thread, INFINITE );
|
||
|
|
::CloseHandle( thread );
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// template<class F> int lw_thread_create( pthread_t & pt, F f );
|
||
|
|
|
||
|
|
namespace boost
|
||
|
|
{
|
||
|
|
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
|
||
|
|
class lw_abstract_thread
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
virtual ~lw_abstract_thread() {}
|
||
|
|
virtual void run() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined( BOOST_HAS_PTHREADS )
|
||
|
|
|
||
|
|
extern "C" void * lw_thread_routine( void * pv )
|
||
|
|
{
|
||
|
|
std::auto_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
|
||
|
|
|
||
|
|
pt->run();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
unsigned __stdcall lw_thread_routine( void * pv )
|
||
|
|
{
|
||
|
|
std::auto_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
|
||
|
|
|
||
|
|
pt->run();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
template<class F> class lw_thread_impl: public lw_abstract_thread
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
explicit lw_thread_impl( F f ): f_( f )
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
void run()
|
||
|
|
{
|
||
|
|
f_();
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
F f_;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class F> int lw_thread_create( pthread_t & pt, F f )
|
||
|
|
{
|
||
|
|
std::auto_ptr<lw_abstract_thread> p( new lw_thread_impl<F>( f ) );
|
||
|
|
|
||
|
|
int r = pthread_create( &pt, 0, lw_thread_routine, p.get() );
|
||
|
|
|
||
|
|
if( r == 0 )
|
||
|
|
{
|
||
|
|
p.release();
|
||
|
|
}
|
||
|
|
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif // #ifndef BOOST_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
|