static void
test_cond_var()
{
CondVar cv;
NaCs::tic();
for (int i = 0;i < N;i++) {
cv.notify_one();
}
tocPerCycle();
NaCs::tic();
for (int i = 0;i < N;i++) {
cv.notify_all();
}
tocPerCycle();
std::thread thread([&] {
Locker locker;
for (int i = 0;i < N * 2;i++) {
cv.wait(locker);
std::this_thread::yield();
}
});
thread.detach();
NaCs::tic();
for (int i = 0;i < N;i++) {
cv.notify_one();
}
tocPerCycle();
NaCs::tic();
for (int i = 0;i < N;i++) {
cv.notify_all();
}
tocPerCycle();
}
void synchronized_incr(Mutex& mtx, CondVar& cv)
{
incr(
[&](self_t& seq)
{
std::unique_lock<Mutex> guard{mtx};
cv.notify_one();
});
}
bool synchronized_push_front(Mutex& mtx, CondVar& cv, pointer ptr) {
switch (push_front(ptr)) {
default:
// enqueued message to a running actor's mailbox
return true;
case inbox_result::unblocked_reader: {
std::unique_lock<Mutex> guard(mtx);
cv.notify_one();
return true;
}
case inbox_result::queue_closed:
// actor no longer alive
return false;
}
}
bool synchronized_enqueue(Mutex& mtx, CondVar& cv, pointer new_element) {
switch (enqueue(new_element)) {
case enqueue_result::unblocked_reader: {
std::unique_lock<Mutex> guard(mtx);
cv.notify_one();
return true;
}
case enqueue_result::success:
// enqueued message to a running actor's mailbox
return true;
case enqueue_result::queue_closed:
// actor no longer alive
return false;
}
// should be unreachable
CPPA_CRITICAL("invalid result of enqueue()");
}