-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2020. 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"
+#include "src/simix/smx_private.hpp"
-XBT_LOG_EXTERNAL_CATEGORY(simix_process);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
namespace simgrid {
namespace kernel {
namespace activity {
-ActivityImpl::ActivityImpl() = default;
-ActivityImpl::~ActivityImpl() = default;
+ActivityImpl::~ActivityImpl()
+{
+ clean_action();
+ XBT_DEBUG("Destroy activity %p", this);
+}
+
+void ActivityImpl::register_simcall(smx_simcall_t simcall)
+{
+ simcalls_.push_back(simcall);
+ simcall->issuer_->waiting_synchro = this;
+}
+
+void ActivityImpl::clean_action()
+{
+ if (surf_action_) {
+ surf_action_->unref();
+ surf_action_ = nullptr;
+ }
+}
+
+double ActivityImpl::get_remaining() const
+{
+ return surf_action_ ? surf_action_->get_remains() : 0;
+}
+
+bool ActivityImpl::test()
+{
+ if (state_ != State::WAITING && state_ != State::RUNNING) {
+ finish();
+ return true;
+ }
+ return false;
+}
+
+void ActivityImpl::suspend()
+{
+ if (surf_action_ == nullptr)
+ return;
+ 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();
+ state_ = State::CANCELED;
+}
// boost::intrusive_ptr<Activity> support:
void intrusive_ptr_add_ref(simgrid::kernel::activity::ActivityImpl* activity)
{
- xbt_assert(activity->refcount_ >= 0);
- activity->refcount_++;
- XBT_CDEBUG(simix_process, "%p->refcount++ ~> %d", activity, (int)activity->refcount_);
- if (XBT_LOG_ISENABLED(simix_process, xbt_log_priority_trace))
- xbt_backtrace_display_current();
+ activity->refcount_.fetch_add(1, std::memory_order_relaxed);
}
void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
{
- XBT_CDEBUG(simix_process, "%p->refcount-- ~> %d", activity, ((int)activity->refcount_) - 1);
- xbt_assert(activity->refcount_ >= 0);
- activity->refcount_--;
- if (XBT_LOG_ISENABLED(simix_process, xbt_log_priority_trace))
- xbt_backtrace_display_current();
- if (activity->refcount_ <= 0)
+ 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::