thread/example/std_scoped_thread.cpp
2017-05-01 03:39:53 +02:00

113 lines
2.0 KiB
C++

// (C) Copyright 2009-2012 Anthony Williams
// (C) Copyright 2012 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)
#if __cplusplus < 201103L
int main()
{
return 0;
}
#else
#define BOOST_THREAD_VERSION 3
#include <iostream>
#include <boost/thread/scoped_thread.hpp>
#include <thread>
#include <cassert>
void do_something(int& i)
{
++i;
}
void f(int, int)
{
}
struct func
{
int& i;
func(int& i_) :
i(i_)
{
}
void operator()()
{
for (unsigned j = 0; j < 1000000; ++j)
{
do_something(i);
}
}
};
void do_something_in_current_thread()
{
}
using strict_scoped_thread = boost::strict_scoped_thread<boost::join_if_joinable, std::thread>;
using scoped_thread = boost::scoped_thread<boost::join_if_joinable, std::thread>;
int main()
{
{
int some_local_state=0;
strict_scoped_thread t( (std::thread(func(some_local_state))));
do_something_in_current_thread();
}
{
int some_local_state=0;
std::thread t(( func(some_local_state) ));
strict_scoped_thread g( (boost::move(t)) );
do_something_in_current_thread();
}
{
int some_local_state=0;
std::thread t(( func(some_local_state) ));
strict_scoped_thread g( (std::move(t)) );
do_something_in_current_thread();
}
{
int some_local_state=1;
scoped_thread t( (std::thread(func(some_local_state))));
if (t.joinable()) {
t.join();
assert( ! t.joinable() );
}
else
do_something_in_current_thread();
}
#if 0
try
{
int some_local_state=1;
std::thread t(( func(some_local_state) ));
scoped_thread g( (boost::move(t)) );
if (g.joinable()) {
// CLANG crash here
g.detach();
assert( ! g.joinable() );
}
do_something_in_current_thread();
}
catch (...) {
assert( false);
}
#endif
{
scoped_thread g( &f, 1, 2 );
do_something_in_current_thread();
}
return 0;
}
#endif