-/* Copyright (c) 2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#ifndef SIMGRID_S4U_BARRIERHPP
+#ifndef SIMGRID_S4U_BARRIER_HPP
#define SIMGRID_S4U_BARRIER_HPP
-#include "simgrid/s4u/ConditionVariable.hpp"
+#include <simgrid/forward.h>
+#include <simgrid/s4u/ConditionVariable.hpp>
#include <simgrid/chrono.hpp>
#include <simgrid/s4u/Mutex.hpp>
+#include <atomic>
#include <future>
namespace simgrid {
unsigned int expected_processes_;
unsigned int arrived_processes_ = 0;
+ /* refcounting */
+ std::atomic_int_fast32_t refcount_{0};
+
public:
explicit Barrier(unsigned int count);
~Barrier() = default;
Barrier(Barrier const&) = delete;
Barrier& operator=(Barrier const&) = delete;
+ /** Constructs a new barrier */
+ static BarrierPtr create(unsigned int expected_processes);
+
int wait();
+
+ /* refcounting */
+ friend XBT_PUBLIC void intrusive_ptr_add_ref(Barrier* barrier);
+ friend XBT_PUBLIC void intrusive_ptr_release(Barrier* barrier);
};
}
} // namespace simgrid::s4u