-/* 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 "simgrid/s4u/Host.hpp"
+#include <boost/range/algorithm.hpp>
+
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
-void simcall_HANDLER_execution_wait(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro)
+void simcall_HANDLER_execution_wait(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro, double timeout)
{
XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro, (int)synchro->state_);
+ xbt_assert(std::isfinite(timeout), "timeout is not finite!");
/* Associate this simcall to the synchro */
synchro->register_simcall(simcall);
/* set surf's synchro */
if (MC_is_active() || MC_record_replay_is_active()) {
- synchro->state_ = SIMIX_DONE;
+ 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 */
+ synchro->set_timeout(timeout);
+ }
}
void simcall_HANDLER_execution_test(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* synchro)
{
- bool res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING);
+ bool res = (synchro->state_ != simgrid::kernel::activity::State::WAITING &&
+ synchro->state_ != simgrid::kernel::activity::State::RUNNING);
if (res) {
synchro->simcalls_.push_back(simcall);
synchro->finish();
} else {
- SIMIX_simcall_answer(simcall);
+ simcall->issuer_->simcall_answer();
}
simcall_execution_test__set__result(simcall, res);
}
+void simcall_HANDLER_execution_waitany_for(smx_simcall_t simcall, simgrid::kernel::activity::ExecImpl* execs[],
+ size_t count, double timeout)
+{
+ if (timeout < 0.0) {
+ simcall->timeout_cb_ = nullptr;
+ } else {
+ simcall->timeout_cb_ = simgrid::simix::Timer::set(SIMIX_get_clock() + timeout, [simcall, execs, count]() {
+ for (size_t i = 0; i < count; i++) {
+ // Remove the first occurrence of simcall:
+ auto* exec = execs[i];
+ auto j = boost::range::find(exec->simcalls_, simcall);
+ if (j != exec->simcalls_.end())
+ exec->simcalls_.erase(j);
+ }
+ simcall_execution_waitany_for__set__result(simcall, -1);
+ simcall->issuer_->simcall_answer();
+ });
+ }
+
+ for (size_t i = 0; i < count; i++) {
+ /* associate this simcall to the the synchro */
+ auto* exec = execs[i];
+ exec->simcalls_.push_back(simcall);
+
+ /* see if the synchro is already finished */
+ if (exec->state_ != simgrid::kernel::activity::State::WAITING &&
+ exec->state_ != simgrid::kernel::activity::State::RUNNING) {
+ exec->finish();
+ break;
+ }
+ }
+}
+
namespace simgrid {
namespace kernel {
namespace activity {
ExecImpl* ExecImpl::start()
{
- state_ = SIMIX_RUNNING;
+ state_ = State::RUNNING;
if (not MC_is_active() && not MC_record_replay_is_active()) {
if (hosts_.size() == 1) {
surf_action_ = hosts_.front()->pimpl_cpu->execution_start(flops_amounts_.front());
- surf_action_->set_priority(priority_);
+ surf_action_->set_sharing_penalty(sharing_penalty_);
surf_action_->set_category(get_tracing_category());
if (bound_ > 0)
}
XBT_DEBUG("Create execute synchro %p: %s", this, get_cname());
- ExecImpl::on_creation(*this);
return this;
}
return *this;
}
-ExecImpl& ExecImpl::set_priority(double priority)
+ExecImpl& ExecImpl::set_sharing_penalty(double sharing_penalty)
{
- priority_ = priority;
+ sharing_penalty_ = sharing_penalty;
return *this;
}
if (hosts_.size() == 1 && not hosts_.front()->is_on()) { /* FIXME: handle resource failure for parallel tasks too */
/* If the host running the synchro failed, notice it. This way, the asking
* process can be killed if it runs on that host itself */
- state_ = SIMIX_FAILED;
+ state_ = State::FAILED;
} else if (surf_action_ && surf_action_->get_state() == resource::Action::State::FAILED) {
/* If the host running the synchro didn't fail, then the synchro was canceled */
- state_ = SIMIX_CANCELED;
+ state_ = State::CANCELED;
} else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) {
- state_ = SIMIX_TIMEOUT;
+ state_ = State::TIMEOUT;
} else {
- state_ = SIMIX_DONE;
+ state_ = State::DONE;
}
- on_completion(*this);
-
clean_action();
if (timeout_detector_) {
timeout_detector_ = nullptr;
}
- /* If there are simcalls associated with the synchro, then answer them */
- if (not simcalls_.empty())
- finish();
+ /* Answer all simcalls associated with the synchro */
+ finish();
}
void ExecImpl::finish()
while (not simcalls_.empty()) {
smx_simcall_t simcall = simcalls_.front();
simcalls_.pop_front();
- switch (state_) {
- case SIMIX_DONE:
+ /* If a waitany simcall is waiting for this synchro to finish, then remove it from the other synchros in the waitany
+ * list. Afterwards, get the position of the actual synchro in the waitany list and return it as the result of the
+ * simcall */
+
+ if (simcall->call_ == SIMCALL_NONE) // FIXME: maybe a better way to handle this case
+ continue; // if process handling comm is killed
+ if (simcall->call_ == SIMCALL_EXECUTION_WAITANY_FOR) {
+ simgrid::kernel::activity::ExecImpl** execs = simcall_execution_waitany_for__get__execs(simcall);
+ size_t count = simcall_execution_waitany_for__get__count(simcall);
+
+ for (size_t i = 0; i < count; i++) {
+ // Remove the first occurrence of simcall:
+ auto* exec = execs[i];
+ auto j = boost::range::find(exec->simcalls_, simcall);
+ if (j != exec->simcalls_.end())
+ exec->simcalls_.erase(j);
+
+ if (simcall->timeout_cb_) {
+ simcall->timeout_cb_->remove();
+ simcall->timeout_cb_ = nullptr;
+ }
+ }
+
+ if (not MC_is_active() && not MC_record_replay_is_active()) {
+ ExecImpl** element = std::find(execs, execs + count, this);
+ int rank = (element != execs + count) ? element - execs : -1;
+ simcall_execution_waitany_for__set__result(simcall, rank);
+ }
+ }
+
+ switch (state_) {
+ case State::DONE:
/* do nothing, synchro done */
XBT_DEBUG("ExecImpl::finish(): execution successful");
break;
- case SIMIX_FAILED:
- XBT_DEBUG("ExecImpl::finish(): host '%s' failed", simcall->issuer->get_host()->get_cname());
- simcall->issuer->context_->iwannadie = true;
- if (simcall->issuer->get_host()->is_on())
- simcall->issuer->exception_ =
+ case State::FAILED:
+ XBT_DEBUG("ExecImpl::finish(): host '%s' failed", simcall->issuer_->get_host()->get_cname());
+ simcall->issuer_->context_->iwannadie = true;
+ if (simcall->issuer_->get_host()->is_on())
+ simcall->issuer_->exception_ =
std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
/* else, the actor will be killed with no possibility to survive */
break;
- case SIMIX_CANCELED:
+ case State::CANCELED:
XBT_DEBUG("ExecImpl::finish(): execution canceled");
- simcall->issuer->exception_ =
+ simcall->issuer_->exception_ =
std::make_exception_ptr(simgrid::CancelException(XBT_THROW_POINT, "Execution Canceled"));
break;
- case SIMIX_TIMEOUT:
+ case State::TIMEOUT:
XBT_DEBUG("ExecImpl::finish(): execution timeouted");
- simcall->issuer->exception_ = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted"));
+ simcall->issuer_->exception_ = std::make_exception_ptr(simgrid::TimeoutException(XBT_THROW_POINT, "Timeouted"));
break;
default:
xbt_die("Internal error in ExecImpl::finish(): unexpected synchro state %d", static_cast<int>(state_));
}
- simcall->issuer->waiting_synchro = nullptr;
- simcall_execution_wait__set__result(simcall, state_);
-
+ simcall->issuer_->waiting_synchro = nullptr;
/* Fail the process if the host is down */
- if (simcall->issuer->get_host()->is_on())
- SIMIX_simcall_answer(simcall);
+ if (simcall->issuer_->get_host()->is_on())
+ simcall->issuer_->simcall_answer();
else
- simcall->issuer->context_->iwannadie = true;
+ simcall->issuer_->context_->iwannadie = true;
}
}
resource::Action* new_action = to->pimpl_cpu->execution_start(old_action->get_cost());
new_action->set_remains(old_action->get_remains());
new_action->set_activity(this);
- new_action->set_priority(old_action->get_priority());
+ new_action->set_sharing_penalty(old_action->get_sharing_penalty());
// FIXME: the user-defined bound seem to not be kept by LMM, that seem to overwrite it for the multi-core modeling.
// I hope that the user did not provide any.
/*************
* Callbacks *
*************/
-xbt::signal<void(ExecImpl&)> ExecImpl::on_creation;
-xbt::signal<void(ExecImpl const&)> ExecImpl::on_completion;
xbt::signal<void(ExecImpl const&, s4u::Host*)> ExecImpl::on_migration;
} // namespace activity
