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#pragma once
#include <memory>
#include <mutex>
#include <queue>
namespace mbgl {
class Scheduler;
class Message;
class Mailbox : public std::enable_shared_from_this<Mailbox> {
public:
Mailbox(Scheduler&);
void push(std::unique_ptr<Message>);
void close();
void receive();
// Replace this mailbox's scheduler. Effectively allows a mailbox to be
// created on one thread and moved to another one.
void setScheduler(Scheduler* scheduler_);
static void maybeReceive(std::weak_ptr<Mailbox>);
private:
Scheduler* scheduler;
std::recursive_mutex receivingMutex;
std::mutex pushingMutex;
bool closed { false };
std::mutex queueMutex;
std::queue<std::unique_ptr<Message>> queue;
};
} // namespace mbgl
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