Remove unused code

native/jni/utils/include/blocking_queue.hpp

@@ -1,94 +0,0 @@
-#pragma once
-
-#include <pthread.h>
-#include <deque>
-#include <../misc.hpp>
-
-template<typename T>
-class blocking_queue {
-	std::deque<T> deque{};
-	pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-	pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-	bool cancelled = false;
-public:
-	~blocking_queue();
-	T take();
-	T &front() const;
-	T &back() const;
-	void push(const T&);
-	void push(T&&);
-	template< class... Args >
-	void emplace(Args &&... args);
-	void clear();
-	void cancel();
-};
-
-#define run_and_notify(block) \
-mutex_guard g(this->lock); \
-block \
-pthread_cond_signal(&this->cond);
-
-template<typename T>
-blocking_queue<T>::~blocking_queue() {
-	pthread_mutex_destroy(&lock);
-	pthread_cond_destroy(&cond);
-}
-
-template<typename T>
-T blocking_queue<T>::take() {
-	mutex_guard g(lock);
-	cancelled = false;
-	while (deque.empty() && !cancelled)
-		pthread_cond_wait(&cond, &lock);
-	if (cancelled)
-		pthread_exit(nullptr);
-	T ret(std::move(deque.front()));
-	deque.pop_front();
-	return ret;
-}
-
-template<typename T>
-void blocking_queue<T>::push(const T &s) {
-	run_and_notify({ deque.push_back(s); })
-}
-
-template<typename T>
-void blocking_queue<T>::push(T &&s) {
-	run_and_notify({ deque.push_back(std::move(s)); })
-}
-
-template<typename T>
-T &blocking_queue<T>::front() const {
-	mutex_guard g(lock);
-	return deque.front();
-}
-
-template<typename T>
-T &blocking_queue<T>::back() const {
-	mutex_guard g(lock);
-	return deque.back();
-}
-
-template<typename T>
-template<class... Args>
-void blocking_queue<T>::emplace(Args &&... args) {
-	run_and_notify({ deque.emplace_back(std::forward<Args>(args)...); })
-}
-
-template<typename T>
-void blocking_queue<T>::clear() {
-	mutex_guard g(lock);
-	std::deque<T> t;
-	deque.swap(t);
-}
-
-template<typename T>
-void blocking_queue<T>::cancel() {
-	run_and_notify({
-		cancelled = true;
-		std::deque<T> t;
-		deque.swap(t);
-	})
-}
-
-#undef run_and_notify