class Synchro {
public:
explicit Synchro(Parmap<T>& parmap) : parmap(parmap) {}
- virtual ~Synchro() {}
+ virtual ~Synchro() = default;
/**
* \brief Wakes all workers and waits for them to finish the tasks.
*
* This function is called by the controller thread.
*/
- virtual void master_signal() = 0;
+ virtual void master_signal() = 0;
/**
* \brief Starts the parmap: waits for all workers to be ready and returns.
*
* This function is called by the controller thread.
*/
- virtual void master_wait() = 0;
+ virtual void master_wait() = 0;
/**
* \brief Ends the parmap: wakes the controller thread when all workers terminate.
*
* This function is called by all worker threads when they end (not including the controller).
*/
- virtual void worker_signal() = 0;
+ virtual void worker_signal() = 0;
/**
* \brief Waits for some work to process.
*
*/
virtual void worker_wait(unsigned) = 0;
- protected:
Parmap<T>& parmap;
};
*/
template <typename T> boost::optional<T> Parmap<T>::next()
{
- unsigned index = this->index++;
+ unsigned index = this->index.fetch_add(1, std::memory_order_relaxed);
if (index < this->data->size())
return (*this->data)[index];
else
*/
template <typename T> void Parmap<T>::work()
{
- unsigned index = this->index++;
unsigned length = this->data->size();
+ unsigned index = this->index.fetch_add(1, std::memory_order_relaxed);
while (index < length) {
this->fun((*this->data)[index]);
- index = this->index++;
+ index = this->index.fetch_add(1, std::memory_order_relaxed);
}
}