-/* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2021. 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_BARRIER_HPP
#define SIMGRID_S4U_BARRIER_HPP
+#include <simgrid/barrier.h>
+#include <simgrid/chrono.hpp>
#include <simgrid/forward.h>
#include <simgrid/s4u/ConditionVariable.hpp>
-#include <simgrid/chrono.hpp>
#include <simgrid/s4u/Mutex.hpp>
#include <atomic>
#include <future>
-constexpr int SG_BARRIER_SERIAL_THREAD = -1;
-
namespace simgrid {
namespace s4u {
class XBT_PUBLIC Barrier {
private:
- MutexPtr mutex_;
- ConditionVariablePtr cond_;
+ MutexPtr mutex_ = Mutex::create();
+ ConditionVariablePtr cond_ = ConditionVariable::create();
unsigned int expected_actors_;
unsigned int arrived_actors_ = 0;
std::atomic_int_fast32_t refcount_{0};
public:
- explicit Barrier(unsigned int count);
- ~Barrier() = default;
+ /** Creates a barrier for the given amount of actors */
+ explicit Barrier(unsigned int expected_actors) : expected_actors_(expected_actors) {}
#ifndef DOXYGEN
Barrier(Barrier const&) = delete;
Barrier& operator=(Barrier const&) = delete;
#endif
+ /** Creates a barrier for the given amount of actors */
static BarrierPtr create(unsigned int expected_actors);
+ /** Blocks into the barrier. Every waiting actors will be unlocked once the expected amount of actors reaches the barrier */
int wait();
#ifndef DOXYGEN