82 lines
1.6 KiB
C++
82 lines
1.6 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 <cstdlib>
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#include <iostream>
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#include <boost/bind.hpp>
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#include <boost/coroutine/all.hpp>
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#ifdef BOOST_COROUTINES_UNIDIRECT
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struct X : private boost::noncopyable
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{
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X() { std::cout << "X()" << std::endl; }
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~X() { std::cout << "~X()" << std::endl; }
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};
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void fn( boost::coroutines::coroutine< void >::push_type & sink)
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{
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X x;
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int i = 0;
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while ( true)
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{
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std::cout << "fn() : " << ++i << std::endl;
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sink();
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}
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}
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int main( int argc, char * argv[])
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{
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{
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boost::coroutines::coroutine< void >::pull_type source( fn);
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for ( int k = 0; k < 3; ++k)
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{
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source();
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}
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std::cout << "destroying coroutine and unwinding stack" << std::endl;
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}
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std::cout << "\nDone" << std::endl;
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return EXIT_SUCCESS;
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}
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#else
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typedef boost::coroutines::coroutine< void() > coro_t;
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struct X : private boost::noncopyable
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{
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X() { std::cout << "X()" << std::endl; }
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~X() { std::cout << "~X()" << std::endl; }
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};
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void fn( coro_t & ca)
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{
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X x;
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int i = 0;
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while ( true)
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{
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std::cout << "fn() : " << ++i << std::endl;
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ca();
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}
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}
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int main( int argc, char * argv[])
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{
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{
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coro_t c( fn);
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for ( int k = 0; k < 3; ++k)
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{
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c();
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}
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std::cout << "destroying coroutine and unwinding stack" << std::endl;
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}
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std::cout << "\nDone" << std::endl;
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return EXIT_SUCCESS;
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}
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#endif
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