The only sparks were of joy ...
XBT_PUBLIC void SIMIX_comm_copy_pointer_callback(smx_activity_t comm, void* buff, size_t buff_size);
XBT_PUBLIC void SIMIX_comm_copy_buffer_callback(smx_activity_t comm, void* buff, size_t buff_size);
-XBT_PUBLIC void SIMIX_comm_finish(smx_activity_t synchro);
+XBT_ATTRIB_DEPRECATED_v325("Please use CommImpl::finish") XBT_PUBLIC void SIMIX_comm_finish(smx_activity_t synchro);
/******************************************************************************/
/* SIMIX simcalls */
virtual void suspend();
virtual void resume();
- virtual void post() = 0; // What to do when a simcall terminates
-
+ virtual void post() = 0; // What to do when a simcall terminates
+ virtual void finish() = 0;
void set_category(std::string category);
// boost::intrusive_ptr<ActivityImpl> support:
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/kernel/activity/CommImpl.hpp"
+#include "simgrid/Exception.hpp"
#include "simgrid/kernel/resource/Action.hpp"
#include "simgrid/modelchecker.h"
#include "simgrid/s4u/Host.hpp"
#include "src/kernel/activity/MailboxImpl.hpp"
+#include "src/kernel/context/Context.hpp"
#include "src/mc/mc_replay.hpp"
+#include "src/surf/cpu_interface.hpp"
#include "src/surf/network_interface.hpp"
#include "src/surf/surf_interface.hpp"
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_network);
+#include <boost/range/algorithm.hpp>
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_network, simix, "SIMIX network-related synchronization");
+
+XBT_PRIVATE void simcall_HANDLER_comm_send(smx_simcall_t simcall, smx_actor_t src, smx_mailbox_t mbox, double task_size,
+ double rate, void* src_buff, size_t src_buff_size,
+ int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
+ double timeout)
+{
+ smx_activity_t comm = simcall_HANDLER_comm_isend(simcall, src, mbox, task_size, rate, src_buff, src_buff_size,
+ match_fun, nullptr, copy_data_fun, data, 0);
+ SIMCALL_SET_MC_VALUE(simcall, 0);
+ simcall_HANDLER_comm_wait(simcall, comm, timeout);
+}
+
+XBT_PRIVATE smx_activity_t simcall_HANDLER_comm_isend(
+ smx_simcall_t /*simcall*/, smx_actor_t src_proc, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
+ size_t src_buff_size, int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
+ void (*clean_fun)(void*), // used to free the synchro in case of problem after a detached send
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), // used to copy data if not default one
+ void* data, int detached)
+{
+ XBT_DEBUG("send from mailbox %p", mbox);
+
+ /* Prepare a synchro describing us, so that it gets passed to the user-provided filter of other side */
+ simgrid::kernel::activity::CommImplPtr this_comm = simgrid::kernel::activity::CommImplPtr(
+ new simgrid::kernel::activity::CommImpl(simgrid::kernel::activity::CommImpl::Type::SEND));
+
+ /* Look for communication synchro matching our needs. We also provide a description of
+ * ourself so that the other side also gets a chance of choosing if it wants to match with us.
+ *
+ * If it is not found then push our communication into the rendez-vous point */
+ simgrid::kernel::activity::CommImplPtr other_comm =
+ mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::RECEIVE, match_fun, data, this_comm,
+ /*done*/ false, /*remove_matching*/ true);
+
+ if (not other_comm) {
+ other_comm = std::move(this_comm);
+
+ if (mbox->permanent_receiver_ != nullptr) {
+ // this mailbox is for small messages, which have to be sent right now
+ other_comm->state_ = SIMIX_READY;
+ other_comm->dst_actor_ = mbox->permanent_receiver_.get();
+ mbox->done_comm_queue_.push_back(other_comm);
+ XBT_DEBUG("pushing a message into the permanent receive list %p, comm %p", mbox, other_comm.get());
+
+ } else {
+ mbox->push(other_comm);
+ }
+ } else {
+ XBT_DEBUG("Receive already pushed");
+
+ other_comm->state_ = SIMIX_READY;
+ other_comm->type = simgrid::kernel::activity::CommImpl::Type::READY;
+ }
+ src_proc->comms.push_back(other_comm);
+
+ if (detached) {
+ other_comm->detached = true;
+ other_comm->clean_fun = clean_fun;
+ } else {
+ other_comm->clean_fun = nullptr;
+ }
+
+ /* Setup the communication synchro */
+ other_comm->src_actor_ = src_proc;
+ other_comm->task_size_ = task_size;
+ other_comm->rate_ = rate;
+ other_comm->src_buff_ = src_buff;
+ other_comm->src_buff_size_ = src_buff_size;
+ other_comm->src_data_ = data;
+
+ other_comm->match_fun = match_fun;
+ other_comm->copy_data_fun = copy_data_fun;
+
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ other_comm->state_ = SIMIX_RUNNING;
+ return (detached ? nullptr : other_comm);
+ }
+
+ other_comm->start();
+
+ return (detached ? nullptr : other_comm);
+}
+
+XBT_PRIVATE void simcall_HANDLER_comm_recv(smx_simcall_t simcall, smx_actor_t receiver, smx_mailbox_t mbox,
+ void* dst_buff, size_t* dst_buff_size,
+ int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
+ double timeout, double rate)
+{
+ smx_activity_t comm = simcall_HANDLER_comm_irecv(simcall, receiver, mbox, dst_buff, dst_buff_size, match_fun,
+ copy_data_fun, data, rate);
+ SIMCALL_SET_MC_VALUE(simcall, 0);
+ simcall_HANDLER_comm_wait(simcall, comm, timeout);
+}
+
+XBT_PRIVATE smx_activity_t simcall_HANDLER_comm_irecv(smx_simcall_t /*simcall*/, smx_actor_t receiver,
+ smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
+ simix_match_func_t match_fun,
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
+ double rate)
+{
+ simgrid::kernel::activity::CommImplPtr this_synchro = simgrid::kernel::activity::CommImplPtr(
+ new simgrid::kernel::activity::CommImpl(simgrid::kernel::activity::CommImpl::Type::RECEIVE));
+ XBT_DEBUG("recv from mbox %p. this_synchro=%p", mbox, this_synchro.get());
+
+ simgrid::kernel::activity::CommImplPtr other_comm;
+ // communication already done, get it inside the list of completed comms
+ if (mbox->permanent_receiver_ != nullptr && not mbox->done_comm_queue_.empty()) {
+
+ XBT_DEBUG("We have a comm that has probably already been received, trying to match it, to skip the communication");
+ // find a match in the list of already received comms
+ other_comm = mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::SEND, match_fun, data,
+ this_synchro, /*done*/ true,
+ /*remove_matching*/ true);
+ // if not found, assume the receiver came first, register it to the mailbox in the classical way
+ if (not other_comm) {
+ XBT_DEBUG("We have messages in the permanent receive list, but not the one we are looking for, pushing request "
+ "into list");
+ other_comm = std::move(this_synchro);
+ mbox->push(other_comm);
+ } else {
+ if (other_comm->surf_action_ && other_comm->remains() < 1e-12) {
+ XBT_DEBUG("comm %p has been already sent, and is finished, destroy it", other_comm.get());
+ other_comm->state_ = SIMIX_DONE;
+ other_comm->type = simgrid::kernel::activity::CommImpl::Type::DONE;
+ other_comm->mbox = nullptr;
+ }
+ }
+ } else {
+ /* Prepare a comm describing us, so that it gets passed to the user-provided filter of other side */
+
+ /* Look for communication activity matching our needs. We also provide a description of
+ * ourself so that the other side also gets a chance of choosing if it wants to match with us.
+ *
+ * If it is not found then push our communication into the rendez-vous point */
+ other_comm = mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::SEND, match_fun, data,
+ this_synchro, /*done*/ false,
+ /*remove_matching*/ true);
+
+ if (other_comm == nullptr) {
+ XBT_DEBUG("Receive pushed first (%zu comm enqueued so far)", mbox->comm_queue_.size());
+ other_comm = std::move(this_synchro);
+ mbox->push(other_comm);
+ } else {
+ XBT_DEBUG("Match my %p with the existing %p", this_synchro.get(), other_comm.get());
+
+ other_comm->state_ = SIMIX_READY;
+ other_comm->type = simgrid::kernel::activity::CommImpl::Type::READY;
+ }
+ receiver->comms.push_back(other_comm);
+ }
+
+ /* Setup communication synchro */
+ other_comm->dst_actor_ = receiver;
+ other_comm->dst_buff_ = dst_buff;
+ other_comm->dst_buff_size_ = dst_buff_size;
+ other_comm->dst_data_ = data;
+
+ if (rate > -1.0 && (other_comm->rate_ < 0.0 || rate < other_comm->rate_))
+ other_comm->rate_ = rate;
+
+ other_comm->match_fun = match_fun;
+ other_comm->copy_data_fun = copy_data_fun;
+
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ other_comm->state_ = SIMIX_RUNNING;
+ return other_comm;
+ }
+ other_comm->start();
+ return other_comm;
+}
+
+void simcall_HANDLER_comm_wait(smx_simcall_t simcall, smx_activity_t synchro, double timeout)
+{
+ /* Associate this simcall to the wait synchro */
+ XBT_DEBUG("simcall_HANDLER_comm_wait, %p", synchro.get());
+
+ synchro->simcalls_.push_back(simcall);
+ simcall->issuer->waiting_synchro = synchro;
+
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ int idx = SIMCALL_GET_MC_VALUE(simcall);
+ if (idx == 0) {
+ synchro->state_ = SIMIX_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;
+
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+ if (comm->src_actor_ == simcall->issuer)
+ comm->state_ = SIMIX_SRC_TIMEOUT;
+ else
+ comm->state_ = SIMIX_DST_TIMEOUT;
+ }
+
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ return;
+ }
+
+ /* If the synchro has already finish perform the error handling, */
+ /* otherwise set up a waiting timeout on the right side */
+ if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ } else { /* we need a sleep action (even when there is no timeout) to be notified of host failures */
+ simgrid::kernel::resource::Action* sleep = simcall->issuer->get_host()->pimpl_cpu->sleep(timeout);
+ sleep->set_data(synchro.get());
+
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+ if (simcall->issuer == comm->src_actor_)
+ comm->src_timeout_ = sleep;
+ else
+ comm->dst_timeout_ = sleep;
+ }
+}
+
+void simcall_HANDLER_comm_test(smx_simcall_t simcall, smx_activity_t synchro)
+{
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+
+ int res;
+
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ res = comm->src_actor_ && comm->dst_actor_;
+ if (res)
+ synchro->state_ = SIMIX_DONE;
+ } else {
+ res = synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING;
+ }
+
+ simcall_comm_test__set__result(simcall, res);
+ if (simcall_comm_test__get__result(simcall)) {
+ synchro->simcalls_.push_back(simcall);
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ } else {
+ SIMIX_simcall_answer(simcall);
+ }
+}
+
+void simcall_HANDLER_comm_testany(smx_simcall_t simcall, simgrid::kernel::activity::ActivityImplPtr comms[],
+ size_t count)
+{
+ // The default result is -1 -- this means, "nothing is ready".
+ // It can be changed below, but only if something matches.
+ simcall_comm_testany__set__result(simcall, -1);
+
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ int idx = SIMCALL_GET_MC_VALUE(simcall);
+ if (idx == -1) {
+ SIMIX_simcall_answer(simcall);
+ } else {
+ simgrid::kernel::activity::ActivityImplPtr synchro = comms[idx];
+ simcall_comm_testany__set__result(simcall, idx);
+ synchro->simcalls_.push_back(simcall);
+ synchro->state_ = SIMIX_DONE;
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ }
+ return;
+ }
+
+ for (std::size_t i = 0; i != count; ++i) {
+ simgrid::kernel::activity::ActivityImplPtr synchro = comms[i];
+ if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
+ simcall_comm_testany__set__result(simcall, i);
+ synchro->simcalls_.push_back(simcall);
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ return;
+ }
+ }
+ SIMIX_simcall_answer(simcall);
+}
+
+static void SIMIX_waitany_remove_simcall_from_actions(smx_simcall_t simcall)
+{
+ unsigned int cursor = 0;
+ xbt_dynar_t synchros = simcall_comm_waitany__get__comms(simcall);
+
+ simgrid::kernel::activity::ActivityImpl* ptr;
+ xbt_dynar_foreach (synchros, cursor, ptr) {
+ smx_activity_t synchro = simgrid::kernel::activity::ActivityImplPtr(ptr);
+
+ // Remove the first occurence of simcall:
+ auto i = boost::range::find(synchro->simcalls_, simcall);
+ if (i != synchro->simcalls_.end())
+ synchro->simcalls_.erase(i);
+ }
+}
+void simcall_HANDLER_comm_waitany(smx_simcall_t simcall, xbt_dynar_t synchros, double timeout)
+{
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ if (timeout > 0.0)
+ xbt_die("Timeout not implemented for waitany in the model-checker");
+ int idx = SIMCALL_GET_MC_VALUE(simcall);
+ smx_activity_t synchro = xbt_dynar_get_as(synchros, idx, smx_activity_t);
+ synchro->simcalls_.push_back(simcall);
+ simcall_comm_waitany__set__result(simcall, idx);
+ synchro->state_ = SIMIX_DONE;
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ return;
+ }
+
+ if (timeout < 0.0) {
+ simcall->timer = NULL;
+ } else {
+ simcall->timer = simgrid::simix::Timer::set(SIMIX_get_clock() + timeout, [simcall]() {
+ SIMIX_waitany_remove_simcall_from_actions(simcall);
+ simcall_comm_waitany__set__result(simcall, -1);
+ SIMIX_simcall_answer(simcall);
+ });
+ }
+
+ unsigned int cursor;
+ simgrid::kernel::activity::ActivityImpl* ptr;
+ xbt_dynar_foreach (synchros, cursor, ptr) {
+ smx_activity_t synchro = simgrid::kernel::activity::ActivityImplPtr(ptr);
+ /* associate this simcall to the the synchro */
+ synchro->simcalls_.push_back(simcall);
+
+ /* see if the synchro is already finished */
+ if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+ break;
+ }
+ }
+}
/******************************************************************************/
/* SIMIX_comm_copy_data callbacks */
/******************************************************************************/
static void (*SIMIX_comm_copy_data_callback)(smx_activity_t, void*, size_t) = &SIMIX_comm_copy_pointer_callback;
+void SIMIX_comm_copy_buffer_callback(smx_activity_t synchro, void* buff, size_t buff_size)
+{
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+
+ XBT_DEBUG("Copy the data over");
+ memcpy(comm->dst_buff_, buff, buff_size);
+ if (comm->detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the
+ // original buffer available to the application ASAP
+ xbt_free(buff);
+ comm->src_buff_ = nullptr;
+ }
+}
+
void SIMIX_comm_set_copy_data_callback(void (*callback)(smx_activity_t, void*, size_t))
{
SIMIX_comm_copy_data_callback = callback;
/* if there are simcalls associated with the synchro, then answer them */
if (not simcalls_.empty()) {
- SIMIX_comm_finish(this);
+ finish();
+ }
+}
+
+void CommImpl::finish()
+{
+ smx_activity_t synchro = this;
+ while (not simcalls_.empty()) {
+ smx_simcall_t simcall = simcalls_.front();
+ simcalls_.pop_front();
+
+ /* 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 dynar 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_COMM_WAITANY) {
+ SIMIX_waitany_remove_simcall_from_actions(simcall);
+ if (simcall->timer) {
+ simcall->timer->remove();
+ simcall->timer = nullptr;
+ }
+ if (not MC_is_active() && not MC_record_replay_is_active())
+ simcall_comm_waitany__set__result(simcall,
+ xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro));
+ }
+
+ /* If the synchro is still in a rendez-vous point then remove from it */
+ if (mbox)
+ mbox->remove(this);
+
+ XBT_DEBUG("CommImpl::finish(): synchro state = %d", static_cast<int>(state_));
+
+ /* Check out for errors */
+
+ if (not simcall->issuer->get_host()->is_on()) {
+ simcall->issuer->context_->iwannadie = true;
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
+ } else {
+ switch (state_) {
+
+ case SIMIX_DONE:
+ XBT_DEBUG("Communication %p complete!", this);
+ copy_data();
+ break;
+
+ case SIMIX_SRC_TIMEOUT:
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::TimeoutError(XBT_THROW_POINT, "Communication timeouted because of the sender"));
+ break;
+
+ case SIMIX_DST_TIMEOUT:
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::TimeoutError(XBT_THROW_POINT, "Communication timeouted because of the receiver"));
+ break;
+
+ case SIMIX_SRC_HOST_FAILURE:
+ if (simcall->issuer == src_actor_)
+ simcall->issuer->context_->iwannadie = true;
+ else
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ break;
+
+ case SIMIX_DST_HOST_FAILURE:
+ if (simcall->issuer == dst_actor_)
+ simcall->issuer->context_->iwannadie = true;
+ else
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ break;
+
+ case SIMIX_LINK_FAILURE:
+ XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) "
+ "detached:%d",
+ this, src_actor_ ? src_actor_->get_host()->get_cname() : nullptr,
+ dst_actor_ ? dst_actor_->get_host()->get_cname() : nullptr, simcall->issuer->get_cname(),
+ simcall->issuer, detached);
+ if (src_actor_ == simcall->issuer) {
+ XBT_DEBUG("I'm source");
+ } else if (dst_actor_ == simcall->issuer) {
+ XBT_DEBUG("I'm dest");
+ } else {
+ XBT_DEBUG("I'm neither source nor dest");
+ }
+ simcall->issuer->throw_exception(
+ std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Link failure")));
+ break;
+
+ case SIMIX_CANCELED:
+ if (simcall->issuer == dst_actor_)
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::CancelException(XBT_THROW_POINT, "Communication canceled by the sender"));
+ else
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::CancelException(XBT_THROW_POINT, "Communication canceled by the receiver"));
+ break;
+
+ default:
+ xbt_die("Unexpected synchro state in CommImpl::finish: %d", static_cast<int>(state_));
+ }
+ }
+
+ /* if there is an exception during a waitany or a testany, indicate the position of the failed communication */
+ if (simcall->issuer->exception_ &&
+ (simcall->call == SIMCALL_COMM_WAITANY || simcall->call == SIMCALL_COMM_TESTANY)) {
+ // First retrieve the rank of our failing synchro
+ int rank = -1;
+ if (simcall->call == SIMCALL_COMM_WAITANY) {
+ rank = xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro);
+ } else if (simcall->call == SIMCALL_COMM_TESTANY) {
+ rank = -1;
+ auto* comms = simcall_comm_testany__get__comms(simcall);
+ auto count = simcall_comm_testany__get__count(simcall);
+ auto element = std::find(comms, comms + count, this);
+ if (element == comms + count)
+ rank = -1;
+ else
+ rank = element - comms;
+ }
+
+ // In order to modify the exception we have to rethrow it:
+ try {
+ std::rethrow_exception(simcall->issuer->exception_);
+ } catch (simgrid::TimeoutError& e) {
+ e.value = rank;
+ simcall->issuer->exception_ = std::make_exception_ptr(e);
+ } catch (simgrid::NetworkFailureException& e) {
+ e.value = rank;
+ simcall->issuer->exception_ = std::make_exception_ptr(e);
+ } catch (simgrid::CancelException& e) {
+ e.value = rank;
+ simcall->issuer->exception_ = std::make_exception_ptr(e);
+ }
+ }
+
+ simcall->issuer->waiting_synchro = nullptr;
+ simcall->issuer->comms.remove(this);
+ if (detached) {
+ if (simcall->issuer == src_actor_) {
+ if (dst_actor_)
+ dst_actor_->comms.remove(this);
+ } else if (simcall->issuer == dst_actor_) {
+ if (src_actor_)
+ src_actor_->comms.remove(this);
+ } else {
+ dst_actor_->comms.remove(this);
+ src_actor_->comms.remove(this);
+ }
+ }
+
+ if (simcall->issuer->get_host()->is_on())
+ SIMIX_simcall_answer(simcall);
+ else
+ simcall->issuer->context_->iwannadie = true;
}
}
void suspend() override;
void resume() override;
void post() override;
+ void finish() override;
void cancel();
double remains();
void cleanupSurf(); // FIXME: make me protected
#include "simgrid/Exception.hpp"
#include "src/kernel/activity/MutexImpl.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
-#include "src/simix/smx_synchro_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ConditionVariable, simix_synchro, "Condition variables");
/* 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/ExecImpl.hpp"
+#include "simgrid/Exception.hpp"
#include "simgrid/modelchecker.h"
#include "src/mc/mc_replay.hpp"
-
-#include "src/kernel/activity/ExecImpl.hpp"
#include "src/simix/smx_host_private.hpp"
-#include "src/surf/surf_interface.hpp"
#include "src/surf/cpu_interface.hpp"
+#include "src/surf/surf_interface.hpp"
#include "simgrid/s4u/Host.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
+
+void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t synchro)
+{
+ XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state_);
+
+ /* Associate this simcall to the synchro */
+ synchro->simcalls_.push_back(simcall);
+ simcall->issuer->waiting_synchro = synchro;
+
+ /* set surf's synchro */
+ if (MC_is_active() || MC_record_replay_is_active()) {
+ synchro->state_ = SIMIX_DONE;
+ boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro)->finish();
+ return;
+ }
+
+ /* If the synchro is already finished then perform the error handling */
+ if (synchro->state_ != SIMIX_RUNNING)
+ boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro)->finish();
+}
+
+void simcall_HANDLER_execution_test(smx_simcall_t simcall, smx_activity_t synchro)
+{
+ int res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING);
+ if (res) {
+ synchro->simcalls_.push_back(simcall);
+ boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro)->finish();
+ } else {
+ SIMIX_simcall_answer(simcall);
+ }
+ simcall_execution_test__set__result(simcall, res);
+}
+
namespace simgrid {
namespace kernel {
namespace activity {
/* If there are simcalls associated with the synchro, then answer them */
if (not simcalls_.empty())
- SIMIX_execution_finish(this);
+ finish();
+}
+
+void ExecImpl::finish()
+{
+ while (not simcalls_.empty()) {
+ smx_simcall_t simcall = simcalls_.front();
+ simcalls_.pop_front();
+ switch (state_) {
+
+ case SIMIX_DONE:
+ /* do nothing, synchro done */
+ XBT_DEBUG("SIMIX_execution_finished: execution successful");
+ break;
+
+ case SIMIX_FAILED:
+ XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->get_host()->get_cname());
+ simcall->issuer->context_->iwannadie = true;
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
+ break;
+
+ case SIMIX_CANCELED:
+ XBT_DEBUG("SIMIX_execution_finished: execution canceled");
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::CancelException(XBT_THROW_POINT, "Execution Canceled"));
+ break;
+
+ case SIMIX_TIMEOUT:
+ XBT_DEBUG("SIMIX_execution_finished: execution timeouted");
+ simcall->issuer->exception_ = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted"));
+ break;
+
+ default:
+ xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d", static_cast<int>(state_));
+ }
+
+ simcall->issuer->waiting_synchro = nullptr;
+ simcall_execution_wait__set__result(simcall, state_);
+
+ /* Fail the process if the host is down */
+ if (simcall->issuer->get_host()->is_on())
+ SIMIX_simcall_answer(simcall);
+ else
+ simcall->issuer->context_->iwannadie = true;
+ }
}
ActivityImpl* ExecImpl::migrate(simgrid::s4u::Host* to)
#define SIMIX_SYNCHRO_EXEC_HPP
#include "src/kernel/activity/ActivityImpl.hpp"
+#include "src/kernel/context/Context.hpp"
#include "surf/surf.hpp"
namespace simgrid {
ExecImpl* start(double flops_amount, double priority, double bound);
void cancel();
void post() override;
+ void finish() override;
double get_remaining();
double get_remaining_ratio();
void set_bound(double bound);
IoImpl* start(sg_size_t size, simgrid::s4u::Io::OpType type);
void post() override;
- void finish();
+ void finish() override;
void cancel();
double get_remaining();
sg_size_t get_performed_ioops() { return performed_ioops_; }
#include "src/kernel/activity/MutexImpl.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
-#include "src/simix/smx_synchro_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_mutex, simix_synchro, "Mutex kernel-space implementation");
#include "src/kernel/activity/SemaphoreImpl.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
-#include "src/simix/smx_synchro_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_semaphore, simix_synchro, "Semaphore kernel-space implementation");
#include "simgrid/kernel/resource/Action.hpp"
#include "simgrid/s4u/Host.hpp"
#include "src/kernel/context/Context.hpp"
-
-#include "simgrid/Exception.hpp"
#include "src/simix/ActorImpl.hpp"
#include "src/simix/popping_private.hpp"
#include "src/simix/smx_private.hpp"
SIMIX_process_sleep_destroy(this);
}
-
+void SleepImpl::finish()
+{
+ /* FIXME some part of post should move to finish */
+}
} // namespace activity
} // namespace kernel
} // namespace simgrid
public:
explicit SleepImpl(std::string name, s4u::Host* host) : ActivityImpl(std::move(name)), host_(host) {}
void post() override;
+ void finish() override;
SleepImpl* start(double duration);
sg_host_t host_ = nullptr;
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/kernel/activity/SynchroRaw.hpp"
+#include "simgrid/Exception.hpp"
#include "simgrid/kernel/resource/Action.hpp"
+#include "src/kernel/activity/ConditionVariableImpl.hpp"
+#include "src/kernel/activity/MutexImpl.hpp"
+#include "src/kernel/activity/SemaphoreImpl.hpp"
#include "src/kernel/context/Context.hpp"
-#include "src/simix/smx_synchro_private.hpp"
#include "src/surf/cpu_interface.hpp"
#include "src/surf/surf_interface.hpp"
#include <simgrid/s4u/Host.hpp>
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_synchro);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_synchro, simix, "SIMIX Synchronization (mutex, semaphores and conditions)");
namespace simgrid {
namespace kernel {
}
void RawImpl::post()
{
- XBT_IN("(%p)",this);
- smx_simcall_t simcall = simcalls_.front();
- simcalls_.pop_front();
-
- SIMIX_synchro_stop_waiting(simcall->issuer, simcall);
- simcall->issuer->waiting_synchro = nullptr;
-
if (surf_action_->get_state() == resource::Action::State::FAILED) {
state_ = SIMIX_FAILED;
- simcall->issuer->context_->iwannadie = true;
} else if (surf_action_->get_state() == resource::Action::State::FINISHED) {
state_ = SIMIX_SRC_TIMEOUT;
- SIMIX_simcall_answer(simcall);
}
- XBT_OUT();
+ finish();
}
+
+void RawImpl::finish()
+{
+ smx_simcall_t simcall = simcalls_.front();
+ simcalls_.pop_front();
+
+ switch (state_) {
+ case SIMIX_DONE:
+ /* do nothing, synchro done */
+ XBT_DEBUG("SIMIX_execution_finished: execution successful");
+ break;
+
+ case SIMIX_FAILED:
+ XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->get_host()->get_cname());
+ simcall->issuer->context_->iwannadie = true;
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
+ break;
+ case SIMIX_SRC_TIMEOUT:
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Synchronization timeout"));
+ break;
+ default:
+ xbt_die("Internal error in RawImpl::finish() unexpected synchro state %d", static_cast<int>(state_));
+ }
+
+ switch (simcall->call) {
+
+ case SIMCALL_MUTEX_LOCK:
+ simgrid::xbt::intrusive_erase(simcall_mutex_lock__get__mutex(simcall)->sleeping, *simcall->issuer);
+ break;
+
+ case SIMCALL_COND_WAIT:
+ simgrid::xbt::intrusive_erase(simcall_cond_wait__get__cond(simcall)->sleeping_, *simcall->issuer);
+ break;
+
+ case SIMCALL_COND_WAIT_TIMEOUT:
+ simgrid::xbt::intrusive_erase(simcall_cond_wait_timeout__get__cond(simcall)->sleeping_, *simcall->issuer);
+ simcall_cond_wait_timeout__set__result(simcall, 1); // signal a timeout
+ break;
+
+ case SIMCALL_SEM_ACQUIRE:
+ simgrid::xbt::intrusive_erase(simcall_sem_acquire__get__sem(simcall)->sleeping_, *simcall->issuer);
+ break;
+
+ case SIMCALL_SEM_ACQUIRE_TIMEOUT:
+ simgrid::xbt::intrusive_erase(simcall_sem_acquire_timeout__get__sem(simcall)->sleeping_, *simcall->issuer);
+ simcall_sem_acquire_timeout__set__result(simcall, 1); // signal a timeout
+ break;
+
+ default:
+ THROW_IMPOSSIBLE;
+ }
+ simcall->issuer->waiting_synchro = nullptr;
+ SIMIX_simcall_answer(simcall);
+}
+
} // namespace activity
} // namespace kernel
} // namespace simgrid
void suspend() override;
void resume() override;
void post() override;
+ void finish() override;
};
}}} // namespace simgrid::kernel::activity
#include "src/mc/mc_replay.hpp"
#include "src/mc/remote/Client.hpp"
#include "src/simix/smx_host_private.hpp"
-#include "src/simix/smx_synchro_private.hpp"
#include "src/surf/HostImpl.hpp"
#include "src/surf/cpu_interface.hpp"
sleep->surf_action_->cancel();
sleep->post();
} else if (raw != nullptr) {
- SIMIX_synchro_stop_waiting(this, &simcall);
+ raw->finish();
} else if (io != nullptr) {
io->cancel();
} else {
activity::RawImplPtr raw = boost::dynamic_pointer_cast<activity::RawImpl>(waiting_synchro);
if (raw != nullptr) {
- SIMIX_synchro_stop_waiting(this, &simcall);
+ raw->finish();
}
activity::IoImplPtr io = boost::dynamic_pointer_cast<activity::IoImpl>(waiting_synchro);
simgrid::kernel::activity::RawImplPtr raw =
boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(actor->waiting_synchro);
if (raw != nullptr) {
- SIMIX_synchro_stop_waiting(actor, &actor->simcall);
+ raw->finish();
}
simgrid::kernel::activity::IoImplPtr io =
->start(flops_amount, priority, bound);
});
}
+
+// deprecated
+void SIMIX_comm_finish(smx_activity_t synchro)
+{
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro)->finish();
+}
#include "smx_private.hpp"
#include "src/mc/mc_forward.hpp"
-#include "src/simix/smx_synchro_private.hpp"
#include "xbt/ex.h"
#include <functional>
#include <simgrid/simix.hpp>
#endif
#include "src/kernel/activity/ConditionVariableImpl.hpp"
#include "src/simix/smx_host_private.hpp"
-#include "src/simix/smx_synchro_private.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_popping);
fd.write('#endif\n')
fd.write('#include "src/kernel/activity/ConditionVariableImpl.hpp"\n')
fd.write('#include "src/simix/smx_host_private.hpp"\n')
- fd.write('#include "src/simix/smx_synchro_private.hpp"\n')
fd.write('\n')
fd.write('XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_popping);\n\n')
fd = header('popping_bodies.cpp')
fd.write('#include "smx_private.hpp"\n')
fd.write('#include "src/mc/mc_forward.hpp"\n')
- fd.write('#include "src/simix/smx_synchro_private.hpp"\n')
fd.write('#include "xbt/ex.h"\n')
fd.write('#include <functional>\n')
fd.write('#include <simgrid/simix.hpp>\n')
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "mc/mc.h"
-#include "simgrid/Exception.hpp"
#include "smx_private.hpp"
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/ExecImpl.hpp"
return exec;
}
-void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t synchro)
-{
- XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state_);
-
- /* Associate this simcall to the synchro */
- synchro->simcalls_.push_back(simcall);
- simcall->issuer->waiting_synchro = synchro;
-
- /* set surf's synchro */
- if (MC_is_active() || MC_record_replay_is_active()) {
- synchro->state_ = SIMIX_DONE;
- SIMIX_execution_finish(synchro);
- return;
- }
-
- /* If the synchro is already finished then perform the error handling */
- if (synchro->state_ != SIMIX_RUNNING)
- SIMIX_execution_finish(synchro);
-}
-
-void simcall_HANDLER_execution_test(smx_simcall_t simcall, smx_activity_t synchro)
-{
- int res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING);
- if (res) {
- synchro->simcalls_.push_back(simcall);
- SIMIX_execution_finish(synchro);
- } else {
- SIMIX_simcall_answer(simcall);
- }
- simcall_execution_test__set__result(simcall, res);
-}
-
-void SIMIX_execution_finish(smx_activity_t synchro)
-{
- simgrid::kernel::activity::ExecImplPtr exec =
- boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
-
- while (not synchro->simcalls_.empty()) {
- smx_simcall_t simcall = synchro->simcalls_.front();
- synchro->simcalls_.pop_front();
- switch (exec->state_) {
-
- case SIMIX_DONE:
- /* do nothing, synchro done */
- XBT_DEBUG("SIMIX_execution_finished: execution successful");
- break;
-
- case SIMIX_FAILED:
- XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->get_host()->get_cname());
- simcall->issuer->context_->iwannadie = true;
- simcall->issuer->exception_ =
- std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
- break;
-
- case SIMIX_CANCELED:
- XBT_DEBUG("SIMIX_execution_finished: execution canceled");
- simcall->issuer->exception_ =
- std::make_exception_ptr(simgrid::CancelException(XBT_THROW_POINT, "Execution Canceled"));
- break;
-
- case SIMIX_TIMEOUT:
- XBT_DEBUG("SIMIX_execution_finished: execution timeouted");
- simcall->issuer->exception_ = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted"));
- break;
-
- default:
- xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d", (int)exec->state_);
- }
-
- simcall->issuer->waiting_synchro = nullptr;
- simcall_execution_wait__set__result(simcall, exec->state_);
-
- /* Fail the process if the host is down */
- if (simcall->issuer->get_host()->is_on())
- SIMIX_simcall_answer(simcall);
- else
- simcall->issuer->context_->iwannadie = true;
- }
-}
#include <boost/intrusive/list.hpp>
-XBT_PRIVATE void SIMIX_execution_finish(smx_activity_t synchro);
-
XBT_PRIVATE simgrid::kernel::activity::ExecImplPtr
SIMIX_execution_parallel_start(std::string name, int host_nb, const sg_host_t* host_list, const double* flops_amount,
const double* bytes_amount, double rate, double timeout);
+++ /dev/null
-/* Copyright (c) 2009-2019. 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 "mc/mc.h"
-#include "simgrid/Exception.hpp"
-#include "src/kernel/activity/MailboxImpl.hpp"
-#include "src/mc/mc_replay.hpp"
-#include "src/simix/smx_private.hpp"
-#include "src/surf/cpu_interface.hpp"
-#include "src/surf/network_interface.hpp"
-
-#include <boost/range/algorithm.hpp>
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_network, simix, "SIMIX network-related synchronization");
-
-static void SIMIX_waitany_remove_simcall_from_actions(smx_simcall_t simcall);
-
-/******************************************************************************/
-/* Communication synchros */
-/******************************************************************************/
-XBT_PRIVATE void simcall_HANDLER_comm_send(smx_simcall_t simcall, smx_actor_t src, smx_mailbox_t mbox, double task_size,
- double rate, void* src_buff, size_t src_buff_size,
- int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
- double timeout)
-{
- smx_activity_t comm = simcall_HANDLER_comm_isend(simcall, src, mbox, task_size, rate,
- src_buff, src_buff_size, match_fun, nullptr, copy_data_fun,
- data, 0);
- SIMCALL_SET_MC_VALUE(simcall, 0);
- simcall_HANDLER_comm_wait(simcall, comm, timeout);
-}
-
-XBT_PRIVATE smx_activity_t simcall_HANDLER_comm_isend(
- smx_simcall_t /*simcall*/, smx_actor_t src_proc, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
- size_t src_buff_size, int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*clean_fun)(void*), // used to free the synchro in case of problem after a detached send
- void (*copy_data_fun)(smx_activity_t, void*, size_t), // used to copy data if not default one
- void* data, int detached)
-{
- XBT_DEBUG("send from mailbox %p", mbox);
-
- /* Prepare a synchro describing us, so that it gets passed to the user-provided filter of other side */
- simgrid::kernel::activity::CommImplPtr this_comm = simgrid::kernel::activity::CommImplPtr(
- new simgrid::kernel::activity::CommImpl(simgrid::kernel::activity::CommImpl::Type::SEND));
-
- /* Look for communication synchro matching our needs. We also provide a description of
- * ourself so that the other side also gets a chance of choosing if it wants to match with us.
- *
- * If it is not found then push our communication into the rendez-vous point */
- simgrid::kernel::activity::CommImplPtr other_comm =
- mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::RECEIVE, match_fun, data, this_comm,
- /*done*/ false, /*remove_matching*/ true);
-
- if (not other_comm) {
- other_comm = std::move(this_comm);
-
- if (mbox->permanent_receiver_ != nullptr) {
- //this mailbox is for small messages, which have to be sent right now
- other_comm->state_ = SIMIX_READY;
- other_comm->dst_actor_ = mbox->permanent_receiver_.get();
- mbox->done_comm_queue_.push_back(other_comm);
- XBT_DEBUG("pushing a message into the permanent receive list %p, comm %p", mbox, other_comm.get());
-
- }else{
- mbox->push(other_comm);
- }
- } else {
- XBT_DEBUG("Receive already pushed");
-
- other_comm->state_ = SIMIX_READY;
- other_comm->type = simgrid::kernel::activity::CommImpl::Type::READY;
- }
- src_proc->comms.push_back(other_comm);
-
- if (detached) {
- other_comm->detached = true;
- other_comm->clean_fun = clean_fun;
- } else {
- other_comm->clean_fun = nullptr;
- }
-
- /* Setup the communication synchro */
- other_comm->src_actor_ = src_proc;
- other_comm->task_size_ = task_size;
- other_comm->rate_ = rate;
- other_comm->src_buff_ = src_buff;
- other_comm->src_buff_size_ = src_buff_size;
- other_comm->src_data_ = data;
-
- other_comm->match_fun = match_fun;
- other_comm->copy_data_fun = copy_data_fun;
-
-
- if (MC_is_active() || MC_record_replay_is_active()) {
- other_comm->state_ = SIMIX_RUNNING;
- return (detached ? nullptr : other_comm);
- }
-
- other_comm->start();
-
- return (detached ? nullptr : other_comm);
-}
-
-XBT_PRIVATE void simcall_HANDLER_comm_recv(smx_simcall_t simcall, smx_actor_t receiver, smx_mailbox_t mbox,
- void* dst_buff, size_t* dst_buff_size,
- int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
- double timeout, double rate)
-{
- smx_activity_t comm = simcall_HANDLER_comm_irecv(simcall, receiver, mbox, dst_buff, dst_buff_size, match_fun,
- copy_data_fun, data, rate);
- SIMCALL_SET_MC_VALUE(simcall, 0);
- simcall_HANDLER_comm_wait(simcall, comm, timeout);
-}
-
-XBT_PRIVATE smx_activity_t simcall_HANDLER_comm_irecv(smx_simcall_t /*simcall*/, smx_actor_t receiver,
- smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
- simix_match_func_t match_fun,
- void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
- double rate)
-{
- simgrid::kernel::activity::CommImplPtr this_synchro = simgrid::kernel::activity::CommImplPtr(
- new simgrid::kernel::activity::CommImpl(simgrid::kernel::activity::CommImpl::Type::RECEIVE));
- XBT_DEBUG("recv from mbox %p. this_synchro=%p", mbox, this_synchro.get());
-
- simgrid::kernel::activity::CommImplPtr other_comm;
- //communication already done, get it inside the list of completed comms
- if (mbox->permanent_receiver_ != nullptr && not mbox->done_comm_queue_.empty()) {
-
- XBT_DEBUG("We have a comm that has probably already been received, trying to match it, to skip the communication");
- //find a match in the list of already received comms
- other_comm = mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::SEND, match_fun, data,
- this_synchro, /*done*/ true,
- /*remove_matching*/ true);
- //if not found, assume the receiver came first, register it to the mailbox in the classical way
- if (not other_comm) {
- XBT_DEBUG("We have messages in the permanent receive list, but not the one we are looking for, pushing request into list");
- other_comm = std::move(this_synchro);
- mbox->push(other_comm);
- } else {
- if (other_comm->surf_action_ && other_comm->remains() < 1e-12) {
- XBT_DEBUG("comm %p has been already sent, and is finished, destroy it", other_comm.get());
- other_comm->state_ = SIMIX_DONE;
- other_comm->type = simgrid::kernel::activity::CommImpl::Type::DONE;
- other_comm->mbox = nullptr;
- }
- }
- } else {
- /* Prepare a comm describing us, so that it gets passed to the user-provided filter of other side */
-
- /* Look for communication activity matching our needs. We also provide a description of
- * ourself so that the other side also gets a chance of choosing if it wants to match with us.
- *
- * If it is not found then push our communication into the rendez-vous point */
- other_comm = mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::SEND, match_fun, data,
- this_synchro, /*done*/ false,
- /*remove_matching*/ true);
-
- if (other_comm == nullptr) {
- XBT_DEBUG("Receive pushed first (%zu comm enqueued so far)", mbox->comm_queue_.size());
- other_comm = std::move(this_synchro);
- mbox->push(other_comm);
- } else {
- XBT_DEBUG("Match my %p with the existing %p", this_synchro.get(), other_comm.get());
-
- other_comm->state_ = SIMIX_READY;
- other_comm->type = simgrid::kernel::activity::CommImpl::Type::READY;
- }
- receiver->comms.push_back(other_comm);
- }
-
- /* Setup communication synchro */
- other_comm->dst_actor_ = receiver;
- other_comm->dst_buff_ = dst_buff;
- other_comm->dst_buff_size_ = dst_buff_size;
- other_comm->dst_data_ = data;
-
- if (rate > -1.0 && (other_comm->rate_ < 0.0 || rate < other_comm->rate_))
- other_comm->rate_ = rate;
-
- other_comm->match_fun = match_fun;
- other_comm->copy_data_fun = copy_data_fun;
-
- if (MC_is_active() || MC_record_replay_is_active()) {
- other_comm->state_ = SIMIX_RUNNING;
- return other_comm;
- }
- other_comm->start();
- return other_comm;
-}
-
-void simcall_HANDLER_comm_wait(smx_simcall_t simcall, smx_activity_t synchro, double timeout)
-{
- /* Associate this simcall to the wait synchro */
- XBT_DEBUG("simcall_HANDLER_comm_wait, %p", synchro.get());
-
- synchro->simcalls_.push_back(simcall);
- simcall->issuer->waiting_synchro = synchro;
-
- if (MC_is_active() || MC_record_replay_is_active()) {
- int idx = SIMCALL_GET_MC_VALUE(simcall);
- if (idx == 0) {
- synchro->state_ = SIMIX_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;
-
- simgrid::kernel::activity::CommImplPtr comm =
- boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
- if (comm->src_actor_ == simcall->issuer)
- comm->state_ = SIMIX_SRC_TIMEOUT;
- else
- comm->state_ = SIMIX_DST_TIMEOUT;
- }
-
- SIMIX_comm_finish(synchro);
- return;
- }
-
- /* If the synchro has already finish perform the error handling, */
- /* otherwise set up a waiting timeout on the right side */
- if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
- SIMIX_comm_finish(synchro);
- } else { /* we need a sleep action (even when there is no timeout) to be notified of host failures */
- simgrid::kernel::resource::Action* sleep = simcall->issuer->get_host()->pimpl_cpu->sleep(timeout);
- sleep->set_data(synchro.get());
-
- simgrid::kernel::activity::CommImplPtr comm =
- boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
- if (simcall->issuer == comm->src_actor_)
- comm->src_timeout_ = sleep;
- else
- comm->dst_timeout_ = sleep;
- }
-}
-
-void simcall_HANDLER_comm_test(smx_simcall_t simcall, smx_activity_t synchro)
-{
- simgrid::kernel::activity::CommImplPtr comm =
- boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
-
- int res;
-
- if (MC_is_active() || MC_record_replay_is_active()){
- res = comm->src_actor_ && comm->dst_actor_;
- if (res)
- synchro->state_ = SIMIX_DONE;
- } else {
- res = synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING;
- }
-
- simcall_comm_test__set__result(simcall, res);
- if (simcall_comm_test__get__result(simcall)) {
- synchro->simcalls_.push_back(simcall);
- SIMIX_comm_finish(synchro);
- } else {
- SIMIX_simcall_answer(simcall);
- }
-}
-
-void simcall_HANDLER_comm_testany(smx_simcall_t simcall, simgrid::kernel::activity::ActivityImplPtr comms[],
- size_t count)
-{
- // The default result is -1 -- this means, "nothing is ready".
- // It can be changed below, but only if something matches.
- simcall_comm_testany__set__result(simcall, -1);
-
- if (MC_is_active() || MC_record_replay_is_active()){
- int idx = SIMCALL_GET_MC_VALUE(simcall);
- if(idx == -1){
- SIMIX_simcall_answer(simcall);
- }else{
- simgrid::kernel::activity::ActivityImplPtr synchro = comms[idx];
- simcall_comm_testany__set__result(simcall, idx);
- synchro->simcalls_.push_back(simcall);
- synchro->state_ = SIMIX_DONE;
- SIMIX_comm_finish(synchro);
- }
- return;
- }
-
- for (std::size_t i = 0; i != count; ++i) {
- simgrid::kernel::activity::ActivityImplPtr synchro = comms[i];
- if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
- simcall_comm_testany__set__result(simcall, i);
- synchro->simcalls_.push_back(simcall);
- SIMIX_comm_finish(synchro);
- return;
- }
- }
- SIMIX_simcall_answer(simcall);
-}
-
-void simcall_HANDLER_comm_waitany(smx_simcall_t simcall, xbt_dynar_t synchros, double timeout)
-{
- if (MC_is_active() || MC_record_replay_is_active()){
- if (timeout > 0.0)
- xbt_die("Timeout not implemented for waitany in the model-checker");
- int idx = SIMCALL_GET_MC_VALUE(simcall);
- smx_activity_t synchro = xbt_dynar_get_as(synchros, idx, smx_activity_t);
- synchro->simcalls_.push_back(simcall);
- simcall_comm_waitany__set__result(simcall, idx);
- synchro->state_ = SIMIX_DONE;
- SIMIX_comm_finish(synchro);
- return;
- }
-
- if (timeout < 0.0){
- simcall->timer = NULL;
- } else {
- simcall->timer = simgrid::simix::Timer::set(SIMIX_get_clock() + timeout, [simcall]() {
- SIMIX_waitany_remove_simcall_from_actions(simcall);
- simcall_comm_waitany__set__result(simcall, -1);
- SIMIX_simcall_answer(simcall);
- });
- }
-
- unsigned int cursor;
- simgrid::kernel::activity::ActivityImpl* ptr;
- xbt_dynar_foreach(synchros, cursor, ptr){
- smx_activity_t synchro = simgrid::kernel::activity::ActivityImplPtr(ptr);
- /* associate this simcall to the the synchro */
- synchro->simcalls_.push_back(simcall);
-
- /* see if the synchro is already finished */
- if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
- SIMIX_comm_finish(synchro);
- break;
- }
- }
-}
-
-void SIMIX_waitany_remove_simcall_from_actions(smx_simcall_t simcall)
-{
- unsigned int cursor = 0;
- xbt_dynar_t synchros = simcall_comm_waitany__get__comms(simcall);
-
- simgrid::kernel::activity::ActivityImpl* ptr;
- xbt_dynar_foreach(synchros, cursor, ptr){
- smx_activity_t synchro = simgrid::kernel::activity::ActivityImplPtr(ptr);
-
- // Remove the first occurence of simcall:
- auto i = boost::range::find(synchro->simcalls_, simcall);
- if (i != synchro->simcalls_.end())
- synchro->simcalls_.erase(i);
- }
-}
-
-/**
- * @brief Answers the SIMIX simcalls associated to a communication synchro.
- * @param synchro a finished communication synchro
- */
-void SIMIX_comm_finish(smx_activity_t synchro)
-{
- simgrid::kernel::activity::CommImplPtr comm =
- boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
-
- while (not synchro->simcalls_.empty()) {
- smx_simcall_t simcall = synchro->simcalls_.front();
- synchro->simcalls_.pop_front();
-
- /* 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 dynar 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_COMM_WAITANY) {
- SIMIX_waitany_remove_simcall_from_actions(simcall);
- if (simcall->timer) {
- simcall->timer->remove();
- simcall->timer = nullptr;
- }
- if (not MC_is_active() && not MC_record_replay_is_active())
- simcall_comm_waitany__set__result(simcall,
- xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro));
- }
-
- /* If the synchro is still in a rendez-vous point then remove from it */
- if (comm->mbox)
- comm->mbox->remove(comm);
-
- XBT_DEBUG("SIMIX_comm_finish: synchro state = %d", (int)synchro->state_);
-
- /* Check out for errors */
-
- if (not simcall->issuer->get_host()->is_on()) {
- simcall->issuer->context_->iwannadie = true;
- simcall->issuer->exception_ =
- std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
- } else {
- switch (comm->state_) {
-
- case SIMIX_DONE:
- XBT_DEBUG("Communication %p complete!", synchro.get());
- comm->copy_data();
- break;
-
- case SIMIX_SRC_TIMEOUT:
- simcall->issuer->exception_ = std::make_exception_ptr(
- simgrid::TimeoutError(XBT_THROW_POINT, "Communication timeouted because of the sender"));
- break;
-
- case SIMIX_DST_TIMEOUT:
- simcall->issuer->exception_ = std::make_exception_ptr(
- simgrid::TimeoutError(XBT_THROW_POINT, "Communication timeouted because of the receiver"));
- break;
-
- case SIMIX_SRC_HOST_FAILURE:
- if (simcall->issuer == comm->src_actor_)
- simcall->issuer->context_->iwannadie = true;
- else
- simcall->issuer->exception_ =
- std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
- break;
-
- case SIMIX_DST_HOST_FAILURE:
- if (simcall->issuer == comm->dst_actor_)
- simcall->issuer->context_->iwannadie = true;
- else
- simcall->issuer->exception_ =
- std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
- break;
-
- case SIMIX_LINK_FAILURE:
- XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) "
- "detached:%d",
- synchro.get(), comm->src_actor_ ? comm->src_actor_->get_host()->get_cname() : nullptr,
- comm->dst_actor_ ? comm->dst_actor_->get_host()->get_cname() : nullptr,
- simcall->issuer->get_cname(), simcall->issuer, comm->detached);
- if (comm->src_actor_ == simcall->issuer) {
- XBT_DEBUG("I'm source");
- } else if (comm->dst_actor_ == simcall->issuer) {
- XBT_DEBUG("I'm dest");
- } else {
- XBT_DEBUG("I'm neither source nor dest");
- }
- simcall->issuer->throw_exception(
- std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Link failure")));
- break;
-
- case SIMIX_CANCELED:
- if (simcall->issuer == comm->dst_actor_)
- simcall->issuer->exception_ = std::make_exception_ptr(
- simgrid::CancelException(XBT_THROW_POINT, "Communication canceled by the sender"));
- else
- simcall->issuer->exception_ = std::make_exception_ptr(
- simgrid::CancelException(XBT_THROW_POINT, "Communication canceled by the receiver"));
- break;
-
- default:
- xbt_die("Unexpected synchro state in SIMIX_comm_finish: %d", (int)synchro->state_);
- }
- }
-
- /* if there is an exception during a waitany or a testany, indicate the position of the failed communication */
- if (simcall->issuer->exception_ &&
- (simcall->call == SIMCALL_COMM_WAITANY || simcall->call == SIMCALL_COMM_TESTANY)) {
- // First retrieve the rank of our failing synchro
- int rank = -1;
- if (simcall->call == SIMCALL_COMM_WAITANY) {
- rank = xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro);
- } else if (simcall->call == SIMCALL_COMM_TESTANY) {
- rank = -1;
- auto* comms = simcall_comm_testany__get__comms(simcall);
- auto count = simcall_comm_testany__get__count(simcall);
- auto element = std::find(comms, comms + count, synchro);
- if (element == comms + count)
- rank = -1;
- else
- rank = element - comms;
- }
-
- // In order to modify the exception we have to rethrow it:
- try {
- std::rethrow_exception(simcall->issuer->exception_);
- } catch (simgrid::TimeoutError& e) {
- e.value = rank;
- simcall->issuer->exception_ = std::make_exception_ptr(e);
- } catch (simgrid::NetworkFailureException& e) {
- e.value = rank;
- simcall->issuer->exception_ = std::make_exception_ptr(e);
- } catch (simgrid::CancelException& e) {
- e.value = rank;
- simcall->issuer->exception_ = std::make_exception_ptr(e);
- }
- }
-
- simcall->issuer->waiting_synchro = nullptr;
- simcall->issuer->comms.remove(synchro);
- if(comm->detached){
- if (simcall->issuer == comm->src_actor_) {
- if (comm->dst_actor_)
- comm->dst_actor_->comms.remove(synchro);
- } else if (simcall->issuer == comm->dst_actor_) {
- if (comm->src_actor_)
- comm->src_actor_->comms.remove(synchro);
- }
- else{
- comm->dst_actor_->comms.remove(synchro);
- comm->src_actor_->comms.remove(synchro);
- }
- }
-
- if (simcall->issuer->get_host()->is_on())
- SIMIX_simcall_answer(simcall);
- else
- simcall->issuer->context_->iwannadie = true;
- }
-}
-
-void SIMIX_comm_copy_buffer_callback(smx_activity_t synchro, void* buff, size_t buff_size)
-{
- simgrid::kernel::activity::CommImplPtr comm =
- boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
-
- XBT_DEBUG("Copy the data over");
- memcpy(comm->dst_buff_, buff, buff_size);
- if (comm->detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the original buffer available to the application ASAP
- xbt_free(buff);
- comm->src_buff_ = nullptr;
- }
-}
+++ /dev/null
-/* Copyright (c) 2007-2019. 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/ConditionVariableImpl.hpp"
-#include "src/kernel/activity/MutexImpl.hpp"
-#include "src/kernel/activity/SemaphoreImpl.hpp"
-#include "src/kernel/context/Context.hpp"
-#include "src/simix/smx_synchro_private.hpp"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_synchro, simix, "SIMIX Synchronization (mutex, semaphores and conditions)");
-
-/***************************** Raw synchronization *********************************/
-
-void SIMIX_synchro_stop_waiting(smx_actor_t process, smx_simcall_t simcall)
-{
- XBT_IN("(%p, %p)",process,simcall);
- switch (simcall->call) {
-
- case SIMCALL_MUTEX_LOCK:
- simgrid::xbt::intrusive_erase(simcall_mutex_lock__get__mutex(simcall)->sleeping, *process);
- break;
-
- case SIMCALL_COND_WAIT:
- simgrid::xbt::intrusive_erase(simcall_cond_wait__get__cond(simcall)->sleeping_, *process);
- break;
-
- case SIMCALL_COND_WAIT_TIMEOUT:
- simgrid::xbt::intrusive_erase(simcall_cond_wait_timeout__get__cond(simcall)->sleeping_, *process);
- simcall_cond_wait_timeout__set__result(simcall, 1); // signal a timeout
- break;
-
- case SIMCALL_SEM_ACQUIRE:
- simgrid::xbt::intrusive_erase(simcall_sem_acquire__get__sem(simcall)->sleeping_, *process);
- break;
-
- case SIMCALL_SEM_ACQUIRE_TIMEOUT:
- simgrid::xbt::intrusive_erase(simcall_sem_acquire_timeout__get__sem(simcall)->sleeping_, *process);
- simcall_sem_acquire_timeout__set__result(simcall, 1); // signal a timeout
- break;
-
- default:
- THROW_IMPOSSIBLE;
- }
- XBT_OUT();
-}
+++ /dev/null
-/* Copyright (c) 2012-2019. 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. */
-
-#ifndef SIMIX_SYNCHRO_PRIVATE_H
-#define SIMIX_SYNCHRO_PRIVATE_H
-
-#include "src/simix/ActorImpl.hpp"
-
-XBT_PRIVATE void SIMIX_synchro_stop_waiting(smx_actor_t process, smx_simcall_t simcall);
-
-#endif
src/simix/popping_accessors.hpp
src/simix/smx_host_private.hpp
src/simix/smx_private.hpp
- src/simix/smx_synchro_private.hpp
src/smpi/colls/coll_tuned_topo.hpp
src/smpi/colls/colls_private.hpp
src/smpi/colls/smpi_mvapich2_selector_stampede.hpp
src/simix/smx_environment.cpp
src/simix/smx_global.cpp
src/simix/smx_host.cpp
- src/simix/smx_network.cpp
src/simix/ActorImpl.cpp
src/simix/ActorImpl.hpp
- src/simix/smx_synchro.cpp
src/simix/popping.cpp
src/kernel/activity/ActivityImpl.cpp
src/kernel/activity/ActivityImpl.hpp
