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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <mutex>
#include <condition_variable>
#include <vespa/fastos/thread.h>
namespace search {
class Runnable : public FastOS_Runnable
{
protected:
std::mutex _lock;
std::condition_variable _cond;
bool _done;
bool _stopped;
public:
Runnable() :
_lock(), _cond(), _done(false), _stopped(false)
{ }
void Run(FastOS_ThreadInterface *, void *) override {
doRun();
std::lock_guard<std::mutex> guard(_lock);
_stopped = true;
_cond.notify_all();
}
virtual void doRun() = 0;
void stop() {
std::lock_guard<std::mutex> guard(_lock);
_done = true;
}
void join() {
std::unique_lock<std::mutex> guard(_lock);
while (!_stopped) {
_cond.wait(guard);
}
}
};
} // search
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