src/kernel/activity/ActivityImpl.cpp

   1 /* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
   2
   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. */
   5
   6 #include "src/kernel/activity/ActivityImpl.hpp"
   7
   8 namespace simgrid {
   9 namespace kernel {
  10 namespace activity {
  11
  12 ActivityImpl::ActivityImpl()  = default;
  13 ActivityImpl::~ActivityImpl() = default;
  14
  15 // boost::intrusive_ptr<Activity> support:
  16 void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
  17 {
  18   activity->refcount_.fetch_add(1, std::memory_order_relaxed);
  19 }
  20
  21 void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
  22 {
  23   if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
  24     std::atomic_thread_fence(std::memory_order_acquire);
  25     delete activity;
  26   }
  27 }
  28 }
  29 }
  30 } // namespace simgrid::kernel::activity::