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65 lines
1.6 KiB
65 lines
1.6 KiB
/*
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* This file is part of MXE. See LICENSE.md for licensing information.
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*/
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#include <iostream>
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#include <boost/archive/xml_oarchive.hpp>
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#include <boost/thread/thread.hpp>
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#include <boost/thread/tss.hpp>
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boost::thread_specific_ptr<int> ptr;
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// https://www.boost.org/doc/libs/1_60_0/libs/context/doc/html/context/context.html
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#include <boost/context/all.hpp>
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boost::context::fcontext_t fcm,fc1,fc2;
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void test_thread()
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{
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if (ptr.get() == 0) {
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ptr.reset(new int(0));
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}
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std::cout << "Hello, World! from thread" << std::endl;
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}
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void f1(intptr_t)
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{
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std::cout<<"f1: entered"<<std::endl;
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std::cout<<"f1: call jump_fcontext( & fc1, fc2, 0)"<< std::endl;
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boost::context::jump_fcontext(&fc1,fc2,0);
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std::cout<<"f1: return"<<std::endl;
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boost::context::jump_fcontext(&fc1,fcm,0);
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}
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void f2(intptr_t)
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{
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std::cout<<"f2: entered"<<std::endl;
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std::cout<<"f2: call jump_fcontext( & fc2, fc1, 0)"<<std::endl;
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boost::context::jump_fcontext(&fc2,fc1,0);
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BOOST_ASSERT(false&&!"f2: never returns");
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}
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int main(int argc, char *argv[])
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{
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(void)argc;
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(void)argv;
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boost::archive::xml_oarchive oa(std::cout);
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std::string s = "\n\n Hello, World!\n\n";
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oa << BOOST_SERIALIZATION_NVP(s);
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boost::thread thrd(test_thread);
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thrd.join();
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std::size_t size(8192);
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void* sp1(std::malloc(size));
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void* sp2(std::malloc(size));
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fc1=boost::context::make_fcontext(sp1,size,f1);
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fc2=boost::context::make_fcontext(sp2,size,f2);
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std::cout<<"main: call jump_fcontext( & fcm, fc1, 0)"<<std::endl;
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boost::context::jump_fcontext(&fcm,fc1,0);
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return 0;
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}
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