Method WaitD

library/cpp/coroutine/engine/condvar.h:8–18

class TContCondVar {
public:
    int WaitD(TCont* current, TContMutex* mutex, TInstant deadline) {
        mutex->UnLock();

        const int ret = WaitQueue_.WaitD(current, deadline);

        if (ret != EWAKEDUP) {
            return ret;
        }

        return mutex->LockD(current, deadline);
    }

    int WaitT(TCont* current, TContMutex* mutex, TDuration timeout) {
        return WaitD(current, mutex, timeout.ToDeadLine());