hunyadi-dev commented on a change in pull request #773:
URL: https://github.com/apache/nifi-minifi-cpp/pull/773#discussion_r419407398
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File path: libminifi/include/utils/MinifiConcurrentQueue.h
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@@ -127,33 +184,58 @@ class ConditionConcurrentQueue : private ConcurrentQueue<T> {
using ConcurrentQueue<T>::empty;
using ConcurrentQueue<T>::clear;
-
template <typename... Args>
void enqueue(Args&&... args) {
ConcurrentQueue<T>::enqueue(std::forward<Args>(args)...);
if (running_) {
cv_.notify_one();
}
}
-
+
bool dequeueWait(T& out) {
std::unique_lock<std::mutex> lck(this->mtx_);
- cv_.wait(lck, [this, &lck]{ return !running_ || !this->emptyImpl(lck); }); //
Only wake up if there is something to return or stopped
- return running_ && ConcurrentQueue<T>::tryDequeueImpl(lck, out);
+ if (!running_) {
+ return false;
+ }
+ cv_.wait(lck, [this, &lck]{ return !running_ || !this->emptyImpl(lck); }); //
Only wake up if there is something to return or stopped
+ return ConcurrentQueue<T>::tryDequeueImpl(lck, out);
+ }
+
+ template<typename Functor>
+ bool consumeWait(Functor&& fun) {
+ std::unique_lock<std::mutex> lck(this->mtx_);
+ if (!running_) {
Review comment:
Removed.
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