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executor.cpp
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207 lines (187 loc) · 5.78 KB
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// Copyright (C) 2012-2013 Vicente Botet
//
// 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>
#if ! defined BOOST_NO_CXX11_DECLTYPE
#define BOOST_RESULT_OF_USE_DECLTYPE
#endif
#include <iostream>
#define BOOST_THREAD_VERSION 4
#define BOOST_THREAD_PROVIDES_EXECUTORS
//#define BOOST_THREAD_USES_LOG
#define BOOST_THREAD_USES_LOG_THREAD_ID
#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
#include <boost/thread/caller_context.hpp>
#include <boost/thread/executors/basic_thread_pool.hpp>
#include <boost/thread/executors/loop_executor.hpp>
#include <boost/thread/executors/serial_executor.hpp>
#include <boost/thread/executors/inline_executor.hpp>
#include <boost/thread/executors/thread_executor.hpp>
#include <boost/thread/executors/executor.hpp>
#include <boost/thread/executors/executor_adaptor.hpp>
#include <boost/thread/executor.hpp>
#include <boost/thread/future.hpp>
#include <boost/assert.hpp>
#include <string>
#include <iostream>
#include <cassert>
boost::future<void> p(boost::future<void> f) {
assert(f.is_ready());
return boost::make_ready_future();
}
void p1()
{
// std::cout << BOOST_CONTEXTOF << std::endl;
//boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
}
void p2()
{
// std::cout << BOOST_CONTEXTOF << std::endl;
//boost::this_thread::sleep_for(boost::chrono::seconds(10));
}
int f1()
{
std::cout << BOOST_CONTEXTOF << std::endl;
boost::this_thread::sleep_for(boost::chrono::seconds(1));
std::cout << BOOST_CONTEXTOF << std::endl;
return 1;
}
int f2(int i)
{
// std::cout << BOOST_CONTEXTOF << std::endl;
boost::this_thread::sleep_for(boost::chrono::seconds(2));
return i + 1;
}
void submit_some(boost::executor& tp)
{
for (int i = 0; i < 3; ++i) {
tp.submit(&p2);
}
for (int i = 0; i < 3; ++i) {
tp.submit(&p1);
}
}
void at_th_entry(boost::basic_thread_pool& )
{
}
int test_executor_adaptor()
{
std::cout << BOOST_CONTEXTOF << std::endl;
{
try
{
{
boost::executor_adaptor < boost::basic_thread_pool > ea(4);
std::cout << BOOST_CONTEXTOF << std::endl;
submit_some( ea);
std::cout << BOOST_CONTEXTOF << std::endl;
#if 1
// fixme
// ERROR= tr1::bad_weak_ptr
{
boost::future<int> t1 = boost::async(ea, &f1);
boost::future<int> t2 = boost::async(ea, &f1);
std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
}
std::cout << BOOST_CONTEXTOF << std::endl;
submit_some(ea);
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::basic_thread_pool ea3(1);
std::cout << BOOST_CONTEXTOF << std::endl;
boost::future<int> t1 = boost::async(ea3, &f1);
std::cout << BOOST_CONTEXTOF << std::endl;
boost::future<int> t2 = boost::async(ea3, &f1);
std::cout << BOOST_CONTEXTOF << std::endl;
//boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
//boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
}
#endif
std::cout << BOOST_CONTEXTOF << std::endl;
submit_some(ea);
std::cout << BOOST_CONTEXTOF << std::endl;
}
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::executor_adaptor < boost::loop_executor > ea2;
submit_some( ea2);
ea2.underlying_executor().run_queued_closures();
}
#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::executor_adaptor < boost::basic_thread_pool > ea1(4);
boost::executor_adaptor < boost::serial_executor > ea2(ea1);
submit_some(ea2);
}
#endif
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::executor_adaptor < boost::inline_executor > ea1;
submit_some(ea1);
}
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::executor_adaptor < boost::thread_executor > ea1;
submit_some(ea1);
}
std::cout << BOOST_CONTEXTOF << std::endl;
#if 1
// fixme
// ERROR= tr1::bad_weak_ptr
{
boost::basic_thread_pool ea(4, at_th_entry);
boost::future<int> t1 = boost::async(ea, &f1);
std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
}
#endif
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::async(&f1);
}
#if 1
// fixme
// ERROR= tr1::bad_weak_ptr
std::cout << BOOST_CONTEXTOF << std::endl;
{
boost::basic_thread_pool ea(1);
boost::async(ea,&f1);
}
#endif
std::cout << BOOST_CONTEXTOF << std::endl;
boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
std::cout << BOOST_CONTEXTOF << std::endl;
}
catch (std::exception& ex)
{
std::cout << "ERROR= " << ex.what() << "" << std::endl;
return 1;
}
catch (...)
{
std::cout << " ERROR= exception thrown" << std::endl;
return 2;
}
}
// std::cout << BOOST_CONTEXTOF << std::endl;
return 0;
}
int main()
{
return test_executor_adaptor();
#if 0 && defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
&& defined BOOST_THREAD_PROVIDES_EXECUTORS \
&& ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
boost::basic_thread_pool executor;
// compiles
boost::make_ready_future().then(&p);
// ??
boost::make_ready_future().then(executor, &p);
// doesn't compile
boost::make_ready_future().then(executor, &p);
#endif
}