-/* Copyright (c) 2007-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2017. 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. */
virtual void resume()=0;
virtual void post() =0; // What to do when a simcall terminates
- // boost::intrusive_ptr<Activity> support:
- friend void intrusive_ptr_add_ref(ActivityImpl * activity)
- {
- // Atomic operation! Do not split in two instructions!
- auto previous = (activity->refcount_)++;
- xbt_assert(previous != 0);
- (void)previous;
- }
-
- friend void intrusive_ptr_release(ActivityImpl * activity)
- {
- // Atomic operation! Do not split in two instructions!
- auto count = --(activity->refcount_);
- if (count == 0)
- delete activity;
- }
-
- /** @brief Increase the refcount */
+ /** @brief Increases the refcount */
void ref();
- /** @brief Reduce the refcount; returns true if the object was destroyed */
- bool unref();
+ /** @brief Reduces the refcount */
+ void unref();
+
+ // boost::intrusive_ptr<Activity> support:
+ friend void intrusive_ptr_add_ref(ActivityImpl * activity);
+ friend void intrusive_ptr_release(ActivityImpl * activity);
private:
std::atomic_int_fast32_t refcount_{1};
- int refcount = 1;
};
}}} // namespace simgrid::kernel::activity