-/* Copyright (c) 2007-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2022. 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/Synchro.h"
+#include <simgrid/Exception.hpp>
+#include <simgrid/s4u/Host.hpp>
-simgrid::kernel::activity::Synchro::Synchro()
+#include "src/kernel/activity/Synchro.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_synchro, kernel,
+ "Kernel synchronization activity (lock/acquire on a mutex, semaphore or condition)");
+
+namespace simgrid::kernel::activity {
+
+SynchroImpl& SynchroImpl::set_host(s4u::Host* host)
+{
+ host_ = host;
+ return *this;
+}
+SynchroImpl& SynchroImpl::set_timeout(double timeout)
{
+ timeout_ = timeout;
+ return *this;
}
-simgrid::kernel::activity::Synchro::~Synchro()
+SynchroImpl* SynchroImpl::start()
{
+ surf_action_ = host_->get_cpu()->sleep(timeout_);
+ surf_action_->set_activity(this);
+ return this;
}
-void simgrid::kernel::activity::Synchro::ref()
+void SynchroImpl::suspend()
{
- refcount++;
+ /* The suspension of raw synchros is delayed to when the actor is rescheduled. */
}
-void simgrid::kernel::activity::Synchro::unref()
+void SynchroImpl::resume()
{
- xbt_assert(refcount > 0,
- "This synchro has a negative refcount! You can only call test() or wait() once per synchronization.");
+ /* I cannot resume raw synchros directly. This is delayed to when the actor is rescheduled at
+ * the end of the synchro. */
+}
- refcount--;
- if (refcount>0)
- return;
- delete this;
+void SynchroImpl::cancel()
+{
+ /* I cannot cancel raw synchros directly. */
}
+
+void SynchroImpl::post()
+{
+ if (surf_action_->get_state() == resource::Action::State::FAILED)
+ set_state(State::FAILED);
+ else if (surf_action_->get_state() == resource::Action::State::FINISHED)
+ set_state(State::SRC_TIMEOUT);
+
+ clean_action();
+ /* Answer all simcalls associated with the synchro */
+ finish();
+}
+void SynchroImpl::set_exception(actor::ActorImpl* issuer)
+{
+ if (get_state() == State::FAILED) {
+ issuer->set_wannadie();
+ issuer->exception_ = std::make_exception_ptr(HostFailureException(XBT_THROW_POINT, "Host failed"));
+ } else {
+ xbt_assert(get_state() == State::SRC_TIMEOUT, "Internal error in SynchroImpl::finish() unexpected synchro state %s",
+ get_state_str());
+ }
+}
+
+void SynchroImpl::finish()
+{
+ XBT_DEBUG("SynchroImpl::finish() in state %s", get_state_str());
+ xbt_assert(simcalls_.size() == 1, "Unexpected number of simcalls waiting: %zu", simcalls_.size());
+ actor::Simcall* simcall = simcalls_.front();
+ simcalls_.pop_front();
+
+ set_exception(simcall->issuer_);
+
+ finish_callback_();
+ simcall->issuer_->waiting_synchro_ = nullptr;
+ simcall->issuer_->simcall_answer();
+}
+
+} // namespace simgrid::kernel::activity