-/* Copyright (c) 2007-2017. 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"
-XBT_LOG_EXTERNAL_CATEGORY(simix_network);
-
namespace simgrid {
namespace kernel {
namespace activity {
ActivityImpl::ActivityImpl() = default;
ActivityImpl::~ActivityImpl() = default;
-void ActivityImpl::ref()
-{
- xbt_assert(refcount_ != 0);
- refcount_++;
- XBT_CDEBUG(simix_network, "%p->refcount++ ~> %d", this, (int)refcount_);
- if (XBT_LOG_ISENABLED(simix_network, xbt_log_priority_trace))
- xbt_backtrace_display_current();
-}
-
-void ActivityImpl::unref()
-{
- XBT_CDEBUG(simix_network, "%p->refcount-- ~> %d", this, ((int)refcount_) - 1);
- xbt_assert(refcount_ > 0,
- "This activity has a negative refcount! You can only call test() or wait() once per activity.");
- refcount_--;
- if (XBT_LOG_ISENABLED(simix_network, xbt_log_priority_trace))
- xbt_backtrace_display_current();
- if (refcount_ <= 0)
- delete this;
-}
-
// boost::intrusive_ptr<Activity> support:
void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
{
- activity->ref();
+ activity->refcount_.fetch_add(1, std::memory_order_relaxed);
}
void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
{
- activity->unref();
+ if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ std::atomic_thread_fence(std::memory_order_acquire);
+ delete activity;
+ }
}
}
}