-/* Copyright (c) 2007-2019. 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/mc/mc_replay.hpp"
#include "src/simix/smx_private.hpp"
#include "src/surf/StorageImpl.hpp"
+#include "src/surf/cpu_interface.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
-void simcall_HANDLER_io_wait(smx_simcall_t simcall, simgrid::kernel::activity::IoImpl* synchro)
+void simcall_HANDLER_io_wait(smx_simcall_t simcall, simgrid::kernel::activity::IoImpl* synchro, double timeout)
{
XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro, (int)synchro->state_);
/* Associate this simcall to the synchro */
synchro->register_simcall(simcall);
- if (MC_is_active() || MC_record_replay_is_active())
- synchro->state_ = SIMIX_DONE;
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ int idx = SIMCALL_GET_MC_VALUE(*simcall);
+ if (idx == 0) {
+ synchro->state_ = simgrid::kernel::activity::State::DONE;
+ } else {
+ /* If we reached this point, the wait simcall must have a timeout */
+ /* Otherwise it shouldn't be enabled and executed by the MC */
+ if (timeout < 0.0)
+ THROW_IMPOSSIBLE;
+ synchro->state_ = simgrid::kernel::activity::State::TIMEOUT;
+ }
+ synchro->finish();
+ return;
+ }
/* If the synchro is already finished then perform the error handling */
- if (synchro->state_ != SIMIX_RUNNING)
+ if (synchro->state_ != simgrid::kernel::activity::State::RUNNING)
synchro->finish();
+ else {
+ /* we need a sleep action (even when there is no timeout) to be notified of host failures */
+ if (synchro->get_disk() != nullptr)
+ synchro->set_timeout_detector(synchro->get_disk()->get_host()->pimpl_cpu->sleep(timeout));
+ else
+ synchro->set_timeout_detector(
+ simgrid::s4u::Host::by_name(synchro->get_storage()->get_host())->pimpl_cpu->sleep(timeout));
+ }
}
namespace simgrid {
IoImpl* IoImpl::start()
{
- state_ = SIMIX_RUNNING;
+ state_ = State::RUNNING;
if (storage_)
surf_action_ = storage_->io_start(size_, type_);
else
performed_ioops_ = surf_action_->get_cost();
if (surf_action_->get_state() == resource::Action::State::FAILED) {
if ((storage_ && not storage_->is_on()) || (disk_ && not disk_->is_on()))
- state_ = SIMIX_FAILED;
+ state_ = State::FAILED;
else
- state_ = SIMIX_CANCELED;
+ state_ = State::CANCELED;
} else if (surf_action_->get_state() == resource::Action::State::FINISHED) {
- state_ = SIMIX_DONE;
+ state_ = State::DONE;
+ } else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) {
+ state_ = State::TIMEOUT;
}
+
+ if (timeout_detector_) {
+ timeout_detector_->unref();
+ timeout_detector_ = nullptr;
+ }
+
on_completion(*this);
/* Answer all simcalls associated with the synchro */
void IoImpl::finish()
{
while (not simcalls_.empty()) {
- smx_simcall_t simcall = simcalls_.front();
+ const s_smx_simcall* simcall = simcalls_.front();
simcalls_.pop_front();
switch (state_) {
- case SIMIX_DONE:
+ case State::DONE:
/* do nothing, synchro done */
break;
- case SIMIX_FAILED:
- simcall->issuer_->context_->iwannadie = true;
+ case State::FAILED:
+ simcall->issuer_->context_->set_wannadie();
simcall->issuer_->exception_ =
std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed"));
break;
- case SIMIX_CANCELED:
+ case State::CANCELED:
simcall->issuer_->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled"));
break;
+ case State::TIMEOUT:
+ XBT_DEBUG("IoImpl::finish(): execution timeouted");
+ simcall->issuer_->exception_ = std::make_exception_ptr(simgrid::TimeoutException(XBT_THROW_POINT, "Timeouted"));
+ break;
default:
xbt_die("Internal error in IoImpl::finish(): unexpected synchro state %d", static_cast<int>(state_));
}