-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2021. 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 "simgrid/modelchecker.h"
+#include "src/kernel/activity/SynchroRaw.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/mc/mc_replay.hpp"
+#include "src/simix/smx_private.hpp"
+#include <boost/range/algorithm.hpp>
+#include <cmath> // isfinite()
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
namespace activity {
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::unregister_simcall(smx_simcall_t simcall)
+{
+ // Remove the first occurrence of simcall:
+ auto j = boost::range::find(simcalls_, simcall);
+ if (j != simcalls_.end())
+ simcalls_.erase(j);
+}
+
+void ActivityImpl::clean_action()
{
if (surf_action_) {
surf_action_->unref();
- XBT_DEBUG("Destroy activity %p", this);
surf_action_ = nullptr;
}
}
return surf_action_ ? surf_action_->get_remains() : 0;
}
+const char* ActivityImpl::get_state_str() const
+{
+ return to_c_str(state_);
+}
+
+bool ActivityImpl::test()
+{
+ if (state_ != State::WAITING && state_ != State::RUNNING) {
+ finish();
+ return true;
+ }
+ return false;
+}
+
+void ActivityImpl::wait_for(actor::ActorImpl* issuer, double timeout)
+{
+ XBT_DEBUG("Wait for execution of synchro %p, state %s", this, to_c_str(state_));
+ xbt_assert(std::isfinite(timeout), "timeout is not finite!");
+
+ /* Associate this simcall to the synchro */
+ register_simcall(&issuer->simcall_);
+
+ xbt_assert(not MC_is_active() && not MC_record_replay_is_active(), "MC is currently not supported here.");
+
+ /* If the synchro is already finished then perform the error handling */
+ if (state_ != State::RUNNING) {
+ finish();
+ } else {
+ /* we need a sleep action (even when the timeout is infinite) to be notified of host failures */
+ RawImplPtr synchro(new RawImpl([this, issuer]() {
+ this->unregister_simcall(&issuer->simcall_);
+ issuer->waiting_synchro_ = nullptr;
+ auto* observer = dynamic_cast<kernel::actor::ActivityWaitSimcall*>(issuer->simcall_.observer_);
+ xbt_assert(observer != nullptr);
+ observer->set_result(true);
+ }));
+ synchro->set_host(issuer->get_host()).set_timeout(timeout).start();
+ synchro->register_simcall(&issuer->simcall_);
+ }
+}
+
void ActivityImpl::suspend()
{
if (surf_action_ == nullptr)
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)
+void intrusive_ptr_add_ref(ActivityImpl* activity)
{
activity->refcount_.fetch_add(1, std::memory_order_relaxed);
}
-void intrusive_ptr_release(simgrid::kernel::activity::ActivityImpl* activity)
+void intrusive_ptr_release(ActivityImpl* activity)
{
if (activity->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
std::atomic_thread_fence(std::memory_order_acquire);