-/* Copyright (c) 2018-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2023. 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. */
#include <atomic>
#include <future>
-namespace simgrid {
-namespace s4u {
+namespace simgrid::s4u {
class XBT_PUBLIC Barrier {
-private:
- MutexPtr mutex_ = Mutex::create();
- ConditionVariablePtr cond_ = ConditionVariable::create();
- unsigned int expected_actors_;
- unsigned int arrived_actors_ = 0;
+ kernel::activity::BarrierImpl* pimpl_;
+ friend kernel::activity::BarrierImpl;
- /* refcounting */
- std::atomic_int_fast32_t refcount_{0};
+ explicit Barrier(kernel::activity::BarrierImpl* pimpl) : pimpl_(pimpl) {}
public:
- /** Creates a barrier for the given amount of actors */
- explicit Barrier(unsigned int expected_actors) : expected_actors_(expected_actors) {}
#ifndef DOXYGEN
- ~Barrier() = default;
Barrier(Barrier const&) = delete;
Barrier& operator=(Barrier const&) = delete;
#endif
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();
+ /** Returns some debug information about the barrier */
+ std::string to_string() const;
#ifndef DOXYGEN
/* refcounting */
friend XBT_PUBLIC void intrusive_ptr_release(Barrier* barrier);
#endif
};
-} // namespace s4u
-} // namespace simgrid
+} // namespace simgrid::s4u
#endif