-/* Copyright (c) 2007-2021. 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/resource/DiskImpl.hpp"
#include "src/mc/mc_replay.hpp"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_io, kernel, "Kernel io-related synchronization");
namespace simgrid {
namespace kernel {
IoImpl::IoImpl()
{
piface_ = new s4u::Io(this);
+ actor::ActorImpl* self = actor::ActorImpl::self();
+ if (self) {
+ set_actor(self);
+ self->activities_.emplace_back(this);
+ }
}
IoImpl& IoImpl::set_sharing_penalty(double sharing_penalty)
IoImpl* IoImpl::start()
{
- state_ = State::RUNNING;
+ set_state(State::RUNNING);
surf_action_ =
disk_->get_host()->get_netpoint()->get_englobing_zone()->get_disk_model()->io_start(disk_, size_, type_);
surf_action_->set_sharing_penalty(sharing_penalty_);
surf_action_->set_activity(this);
+ set_start_time(surf_action_->get_start_time());
XBT_DEBUG("Create IO synchro %p %s", this, get_cname());
performed_ioops_ = surf_action_->get_cost();
if (surf_action_->get_state() == resource::Action::State::FAILED) {
if (disk_ && not disk_->is_on())
- state_ = State::FAILED;
+ set_state(State::FAILED);
else
- state_ = State::CANCELED;
+ set_state(State::CANCELED);
} else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) {
if (surf_action_->get_remains() > 0.0) {
surf_action_->set_state(resource::Action::State::FAILED);
- state_ = State::TIMEOUT;
+ set_state(State::TIMEOUT);
} else {
- state_ = State::DONE;
+ set_state(State::DONE);
}
} else {
- state_ = State::DONE;
+ set_state(State::DONE);
}
clean_action();
}
void IoImpl::set_exception(actor::ActorImpl* issuer)
{
- switch (state_) {
+ switch (get_state()) {
case State::FAILED:
issuer->context_->set_wannadie();
- piface_->complete(s4u::Activity::State::FAILED);
+ static_cast<s4u::Io*>(get_iface())->complete(s4u::Activity::State::FAILED);
issuer->exception_ = std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed"));
break;
case State::CANCELED:
issuer->exception_ = std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Timeouted"));
break;
default:
- xbt_assert(state_ == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s",
- to_c_str(state_));
+ xbt_assert(get_state() == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s",
+ get_state_str());
}
}
void IoImpl::finish()
{
- XBT_DEBUG("IoImpl::finish() in state %s", to_c_str(state_));
+ XBT_DEBUG("IoImpl::finish() in state %s", get_state_str());
while (not simcalls_.empty()) {
smx_simcall_t simcall = simcalls_.front();
simcalls_.pop_front();
if (simcall->call_ == simix::Simcall::NONE) // FIXME: maybe a better way to handle this case
continue; // if process handling comm is killed
- if (auto* observer = dynamic_cast<kernel::actor::IoWaitanySimcall*>(simcall->observer_)) { // simcall is a wait_any?
- const auto& ios = observer->get_ios();
-
- for (auto* io : ios) {
- io->unregister_simcall(simcall);
-
- if (simcall->timeout_cb_) {
- simcall->timeout_cb_->remove();
- simcall->timeout_cb_ = nullptr;
- }
- }
-
- if (not MC_is_active() && not MC_record_replay_is_active()) {
- auto element = std::find(ios.begin(), ios.end(), this);
- int rank = element != ios.end() ? static_cast<int>(std::distance(ios.begin(), element)) : -1;
- observer->set_result(rank);
- }
- }
+
+ handle_activity_waitany(simcall);
set_exception(simcall->issuer_);
}
}
-void IoImpl::wait_any_for(actor::ActorImpl* issuer, const std::vector<IoImpl*>& ios, double timeout)
-{
- if (timeout < 0.0) {
- issuer->simcall_.timeout_cb_ = nullptr;
- } else {
- issuer->simcall_.timeout_cb_ = timer::Timer::set(s4u::Engine::get_clock() + timeout, [issuer, &ios]() {
- issuer->simcall_.timeout_cb_ = nullptr;
- for (auto* io : ios)
- io->unregister_simcall(&issuer->simcall_);
- // default result (-1) is set in actor::IoWaitanySimcall
- issuer->simcall_answer();
- });
- }
-
- for (auto* io : ios) {
- /* associate this simcall to the the synchro */
- io->simcalls_.push_back(&issuer->simcall_);
-
- /* see if the synchro is already finished */
- if (io->state_ != State::WAITING && io->state_ != State::RUNNING) {
- io->finish();
- break;
- }
- }
-}
-
} // namespace activity
} // namespace kernel
} // namespace simgrid