mirror of https://gitee.com/bigwinds/arangodb
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
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// Copyright Oliver Kowalke 2014.
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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/context/all.hpp>
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boost::context::execution_context * ctx1 = nullptr;
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boost::context::execution_context * ctx = nullptr;
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void f1( void *) {
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std::cout << "f1: entered first time" << std::endl;
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( * ctx)();
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std::cout << "f1: entered second time" << std::endl;
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( * ctx)();
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std::cout << "f1: entered third time" << std::endl;
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( * ctx)();
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}
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void * f2( void * data) {
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std::cout << "f2: entered" << std::endl;
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return data;
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}
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int main() {
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boost::context::execution_context ctx1_( f1);
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ctx1 = & ctx1_;
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boost::context::execution_context ctx_( boost::context::execution_context::current() );
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ctx = & ctx_;
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( * ctx1)();
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std::cout << "f1: returned first time" << std::endl;
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( * ctx1)();
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std::cout << "f1: returned second time" << std::endl;
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( * ctx1)( boost::context::exec_ontop_arg, f2);
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std::cout << "f1: returned third time" << std::endl;
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std::cout << "main: done" << std::endl;
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return EXIT_SUCCESS;
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}
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