1 /* Copyright (c) 2018-2023. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_S4U_BARRIER_HPP
7 #define SIMGRID_S4U_BARRIER_HPP
9 #include <simgrid/barrier.h>
10 #include <simgrid/chrono.hpp>
11 #include <simgrid/forward.h>
12 #include <simgrid/s4u/ConditionVariable.hpp>
13 #include <simgrid/s4u/Mutex.hpp>
18 namespace simgrid::s4u {
20 class XBT_PUBLIC Barrier {
21 kernel::activity::BarrierImpl* pimpl_;
22 friend kernel::activity::BarrierImpl;
24 explicit Barrier(kernel::activity::BarrierImpl* pimpl) : pimpl_(pimpl) {}
28 Barrier(Barrier const&) = delete;
29 Barrier& operator=(Barrier const&) = delete;
32 /** \static Creates a barrier for the given amount of actors */
33 static BarrierPtr create(unsigned int expected_actors);
34 /** Blocks into the barrier. Every waiting actors will be unlocked once the expected amount of actors reaches the barrier */
36 /** Returns some debug information about the barrier */
37 std::string to_string() const;
41 friend XBT_PUBLIC void intrusive_ptr_add_ref(Barrier* barrier);
42 friend XBT_PUBLIC void intrusive_ptr_release(Barrier* barrier);
45 } // namespace simgrid::s4u