-/* Copyright (c) 2007-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2019. 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;
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
-void simgrid::kernel::activity::ActivityImpl::ref()
+namespace simgrid {
+namespace kernel {
+namespace activity {
+
+ActivityImpl::~ActivityImpl()
+{
+ clean_action();
+ XBT_DEBUG("Destroy activity %p", this);
+}
+
+void ActivityImpl::clean_action()
{
- refcount++;
+ if (surf_action_) {
+ surf_action_->unref();
+ surf_action_ = nullptr;
+ }
}
-void simgrid::kernel::activity::ActivityImpl::unref()
+double ActivityImpl::get_remaining() const
{
- xbt_assert(refcount > 0,
- "This activity has a negative refcount! You can only call test() or wait() once per activity.");
+ return surf_action_ ? surf_action_->get_remains() : 0;
+}
- refcount--;
- if (refcount>0)
+void ActivityImpl::suspend()
+{
+ if (surf_action_ == nullptr)
return;
- delete this;
+ XBT_VERB("This activity is suspended (remain: %f)", surf_action_->get_remains());
+ surf_action_->suspend();
+ on_suspended(*this);
+}
+
+void ActivityImpl::resume()
+{
+ if (surf_action_ == nullptr)
+ return;
+ XBT_VERB("This activity is resumed (remain: %f)", surf_action_->get_remains());
+ surf_action_->resume();
+ on_resumed(*this);
+}
+
+void ActivityImpl::cancel()
+{
+ XBT_VERB("Activity %p is canceled", this);
+ if (surf_action_ != nullptr)
+ surf_action_->cancel();
+}
+
+// boost::intrusive_ptr<Activity> support:
+void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
+{
+ activity->refcount_.fetch_add(1, std::memory_order_relaxed);
+}
+
+void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
+{
+ if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ std::atomic_thread_fence(std::memory_order_acquire);
+ delete activity;
+ }
+}
+xbt::signal<void(ActivityImpl const&)> ActivityImpl::on_resumed;
+xbt::signal<void(ActivityImpl const&)> ActivityImpl::on_suspended;
+}
}
+} // namespace simgrid::kernel::activity::
