libcryfs/thread/LoopThread.h

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#pragma once
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#ifndef MESSMER_CPPUTILS_THREAD_LOOPTHREAD_H
#define MESSMER_CPPUTILS_THREAD_LOOPTHREAD_H
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#include "ThreadSystem.h"
#include <boost/optional.hpp>
namespace cpputils {
//TODO Test
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//TODO Test that fork() doesn't destroy anything (e.g. no deadlock on stop() because thread is not running anymore)
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// Has to be final, because otherwise there could be a race condition where LoopThreadForkHandler calls a LoopThread
// where the child class destructor already ran.
class LoopThread final {
public:
// The loopIteration callback returns true, if more iterations should be run, and false, if the thread should be terminated.
LoopThread(std::function<bool()> loopIteration);
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~LoopThread();
void start();
void stop();
private:
std::function<bool()> _loopIteration;
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boost::optional<ThreadSystem::Handle> _runningHandle;
};
}
#endif