diff options
Diffstat (limited to 'src/boost/libs/thread/test/test_9319.cpp')
-rw-r--r-- | src/boost/libs/thread/test/test_9319.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/test_9319.cpp b/src/boost/libs/thread/test/test_9319.cpp new file mode 100644 index 000000000..5dafe4d49 --- /dev/null +++ b/src/boost/libs/thread/test/test_9319.cpp @@ -0,0 +1,60 @@ +// Copyright (C) 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) + +// futtest.cpp +#include <iostream> +#define BOOST_THREAD_VERSION 4 + +#include <boost/thread/future.hpp> +#include <boost/thread/thread.hpp> +#include <boost/bind/bind.hpp> +#include <boost/chrono.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/scoped_ptr.hpp> + +typedef boost::shared_ptr< boost::promise<int> > IntPromise; + +void foo(IntPromise p) +{ + std::cout << "foo" << std::endl; + p->set_value(123); // This line locks the future's mutex, then calls the continuation with the mutex already locked. +} + +void bar(boost::future<int> fooResult) +{ + try { + std::cout << "bar" << std::endl; + int i = fooResult.get(); // Code hangs on this line (Due to future already being locked by the set_value call) + std::cout << "i: " << i << std::endl; + } catch(...) { + std::cout << __FILE__ << ":" << __LINE__ << std::endl; + } +} + +int main() +{ + std::cout << __FILE__ << ":" << __LINE__ << std::endl; + try { + IntPromise p(new boost::promise<int>()); + boost::thread t(boost::bind(foo, p)); + boost::future<int> f1 = p->get_future(); + f1.then(boost::launch::deferred, &bar); + t.join(); + } catch(...) { + return 1; + } + std::cout << __FILE__ << ":" << __LINE__ << std::endl; + try { + IntPromise p(new boost::promise<int>()); + boost::thread t(boost::bind(foo, p)); + boost::future<int> f1 = p->get_future(); + f1.then(boost::launch::async, &bar); + t.join(); + } catch(...) { + return 2; + } + std::cout << __FILE__ << ":" << __LINE__ << std::endl; +} + |