// Example of a simple thread-safe queue in C++
#include
#include
#include
#include
template
class ConcurrentQueue {
public:
ConcurrentQueue() = default;
void enqueue(T value) {
std::lock_guard<:mutex> lock(mtx);
queue.push(value);
condVar.notify_one();
}
bool dequeue(T& result) {
std::lock_guard<:mutex> lock(mtx);
if (queue.empty()) {
return false;
}
result = queue.front();
queue.pop();
return true;
}
bool empty() {
std::lock_guard<:mutex> lock(mtx);
return queue.empty();
}
private:
std::queue queue;
std::mutex mtx;
std::condition_variable condVar;
};
int main() {
ConcurrentQueue queue;
// Example usage
queue.enqueue(42);
int value;
if (queue.dequeue(value)) {
std::cout << "Dequeued: " << value << std::endl;
}
return 0;
}
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