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65 lines
1.3 KiB
C++
65 lines
1.3 KiB
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 <iostream>
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#include <cstdlib>
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#include <stdexcept>
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#include <string>
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#include <boost/bind.hpp>
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#include <boost/date_time/posix_time/posix_time.hpp>
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#include "boost/task.hpp"
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namespace pt = boost::posix_time;
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namespace tsk = boost::tasks;
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inline
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void print_fn( std::string const& msg)
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{ printf("%s", msg.c_str() ); }
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inline
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void long_running_fn()
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{ boost::this_thread::sleep( pt::milliseconds( 250) ); }
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int main( int argc, char *argv[])
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{
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try
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{
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tsk::static_pool< tsk::unbounded_prio_queue< int > > pool( tsk::poolsize( 1) );
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tsk::task< void > t1( long_running_fn);
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tsk::task< void > t2( print_fn, "a text.\n");
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tsk::task< void > t3( print_fn, " is ");
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tsk::task< void > t4( print_fn, "This");
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tsk::async(
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boost::move( t1),
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3,
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pool);
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tsk::async(
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boost::move( t2),
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0,
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pool);
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tsk::async(
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boost::move( t3),
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1,
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pool);
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tsk::async(
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boost::move( t4),
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2,
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pool);
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return EXIT_SUCCESS;
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}
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catch ( std::exception const& e)
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{ std::cerr << "exception: " << e.what() << std::endl; }
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catch ( ... )
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{ std::cerr << "unhandled" << std::endl; }
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return EXIT_FAILURE;
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}
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