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* testsuite/30_threads/async/async.cc: Fix race condition in test.

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From-SVN: r205795
This commit is contained in:
Jonathan Wakely 2013-12-08 22:18:19 +00:00 committed by Jonathan Wakely
parent 7337ddf4bf
commit da18dcc133
2 changed files with 14 additions and 15 deletions
libstdc++-v3
ChangeLog
testsuite/30_threads/async
async.cc

4
libstdc++-v3/ChangeLog

@ -1,3 +1,7 @@
2013-12-08 Jonathan Wakely <jwakely.gcc@gmail.com>
* testsuite/30_threads/async/async.cc: Fix race condition in test.
2013-12-08 Paolo Carlini <paolo.carlini@oracle.com>
* testsuite/20_util/add_const/requirements/explicit_instantiation.cc:

25
libstdc++-v3/testsuite/30_threads/async/async.cc

@ -29,23 +29,18 @@
using namespace std;
struct work {
typedef void result_type;
void operator()(mutex& m, condition_variable& cv)
{
unique_lock<mutex> l(m);
cv.notify_one();
}
};
void work(mutex& m)
{
unique_lock<mutex> l(m);
}
void test01()
{
mutex m;
condition_variable cv;
unique_lock<mutex> l(m);
future<void> f1 = async(launch::async, work(), ref(m), ref(cv));
cv.wait(l);
f1.get();
future<void> f1 = async(launch::async, &work, ref(m));
l.unlock(); // allow async thread to proceed
f1.get(); // wait for it to finish
}
void test02()
@ -53,15 +48,15 @@ void test02()
bool test __attribute__((unused)) = true;
mutex m;
condition_variable cv;
unique_lock<mutex> l(m);
future<void> f1 = async(launch::async, work(), ref(m), ref(cv));
future<void> f1 = async(launch::async, &work, ref(m));
std::future_status status;
status = f1.wait_for(std::chrono::milliseconds(1));
VERIFY( status == std::future_status::timeout );
status = f1.wait_until(std::chrono::system_clock::now());
VERIFY( status == std::future_status::timeout );
cv.wait(l);
l.unlock(); // allow async thread to proceed
f1.wait(); // wait for it to finish
status = f1.wait_for(std::chrono::milliseconds(0));
VERIFY( status == std::future_status::ready );
status = f1.wait_until(std::chrono::system_clock::now());