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151 lines
3.6 KiB
C++
151 lines
3.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Copyright (C) 2011 Vicente J. Botet Escriba
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// <boost/thread/future.hpp>
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// class packaged_task<R>
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// template <class F>
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// explicit packaged_task(F&& f);
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#define BOOST_THREAD_VERSION 4
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#include <boost/thread/future.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#if BOOST_THREAD_VERSION == 4
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#define BOOST_THREAD_DETAIL_SIGNATURE double()
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#else
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#define BOOST_THREAD_DETAIL_SIGNATURE double
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#endif
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#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK
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#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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#define BOOST_THREAD_DETAIL_SIGNATURE_2 double(int, char)
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#define BOOST_THREAD_DETAIL_SIGNATURE_2_RES 5 + 3 +'a'
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#else
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#define BOOST_THREAD_DETAIL_SIGNATURE_2 double()
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#define BOOST_THREAD_DETAIL_SIGNATURE_2_RES 5
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#endif
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#else
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#define BOOST_THREAD_DETAIL_SIGNATURE_2 double
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#define BOOST_THREAD_DETAIL_SIGNATURE_2_RES 5
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#endif
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double fct()
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{
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return 5.0;
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}
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long lfct()
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{
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return 5;
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}
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class A
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{
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long data_;
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public:
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BOOST_THREAD_COPYABLE_AND_MOVABLE(A)
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static int n_moves;
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static int n_copies;
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explicit A(long i) : data_(i)
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{
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}
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A(BOOST_THREAD_RV_REF(A) a) : data_(BOOST_THREAD_RV(a).data_)
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{
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++n_moves; BOOST_THREAD_RV(a).data_ = -1;
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}
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A(const A& a) : data_(a.data_)
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{
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++n_copies;
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}
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~A()
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{
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}
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long operator()() const
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{ return data_;}
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long operator()(long i, long j) const
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{ return data_ + i + j;}
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};
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int A::n_moves = 0;
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int A::n_copies = 0;
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int main()
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{
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{
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boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE_2> p(BOOST_THREAD_MAKE_RV_REF(A(5)));
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BOOST_TEST(p.valid());
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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p(3, 'a');
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#else
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p();
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#endif
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BOOST_TEST(f.get() == BOOST_THREAD_DETAIL_SIGNATURE_2_RES);
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BOOST_TEST(A::n_copies == 0);
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BOOST_TEST(A::n_moves > 0);
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}
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A::n_copies = 0;
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A::n_moves = 0;
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{
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A a(5);
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boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(a);
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BOOST_TEST(p.valid());
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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//p(3, 'a');
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p();
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BOOST_TEST(f.get() == 5.0);
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//BOOST_TEST(A::n_copies > 0);
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//BOOST_TEST(A::n_moves > 0);
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}
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A::n_copies = 0;
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A::n_moves = 0;
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{
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const A a(5);
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boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(a);
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BOOST_TEST(p.valid());
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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//p(3, 'a');
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p();
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BOOST_TEST(f.get() == 5.0);
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//BOOST_TEST(A::n_copies > 0);
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//BOOST_TEST(A::n_moves > 0);
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}
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{
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boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(fct);
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BOOST_TEST(p.valid());
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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//p(3, 'a');
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p();
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BOOST_TEST(f.get() == 5.0);
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}
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{
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boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(&lfct);
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BOOST_TEST(p.valid());
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boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
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//p(3, 'a');
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p();
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BOOST_TEST(f.get() == 5.0);
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}
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return boost::report_errors();
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}
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