1 /* Copyright (c) 2007-2018. 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 #include "src/kernel/activity/ActivityImpl.hpp"
12 ActivityImpl::ActivityImpl() = default;
13 ActivityImpl::~ActivityImpl() = default;
15 // boost::intrusive_ptr<Activity> support:
16 void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
18 activity->refcount_.fetch_add(1, std::memory_order_relaxed);
21 void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
23 if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
24 std::atomic_thread_fence(std::memory_order_acquire);
30 } // namespace simgrid::kernel::activity::