-/* Copyright (c) 2007-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2018. 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 "src/kernel/activity/ActivityImpl.hpp"
-simgrid::kernel::activity::ActivityImpl::ActivityImpl() = default;
-simgrid::kernel::activity::ActivityImpl::~ActivityImpl() = default;
+namespace simgrid {
+namespace kernel {
+namespace activity {
-void simgrid::kernel::activity::ActivityImpl::ref()
+ActivityImpl::ActivityImpl() = default;
+ActivityImpl::~ActivityImpl() = default;
+
+// boost::intrusive_ptr<Activity> support:
+void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
{
- // Atomic operation! Do not split in two instructions!
- xbt_assert(refcount_ != 0);
- refcount_++;
+ activity->refcount_.fetch_add(1, std::memory_order_relaxed);
}
-void simgrid::kernel::activity::ActivityImpl::unref()
+void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
{
- xbt_assert(refcount_ > 0,
- "This activity has a negative refcount! You can only call test() or wait() once per activity.");
- refcount_--;
- if (refcount_ == 0)
- delete this;
+ if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ std::atomic_thread_fence(std::memory_order_acquire);
+ delete activity;
+ }
+}
+}
}
+} // namespace simgrid::kernel::activity::
