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#ifndef MBGL_UTIL_CHANNEL
#define MBGL_UTIL_CHANNEL
#include <mbgl/util/noncopyable.hpp>
#include <mutex>
#include <condition_variable>
#include <queue>
namespace mbgl {
template <class T>
class Channel : public mbgl::util::noncopyable {
public:
void send(const T& t) {
std::unique_lock<std::mutex> lock(mutex);
queue.push(t);
condition.notify_one();
}
T receive() {
std::unique_lock<std::mutex> lock(mutex);
condition.wait(lock, [&](){ return !queue.empty(); });
T t = queue.front();
queue.pop();
return t;
}
private:
std::mutex mutex;
std::condition_variable condition;
std::queue<T> queue;
};
}
#endif
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