+++ /dev/null
-/* Copyright (c) 2008-2015. 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 <cstdint>
-
-#include <xbt/dynar.h>
-#include <xbt/dynar.hpp>
-#include <xbt/log.h>
-#include <xbt/sysdep.h>
-
-#include "src/mc/mc_state.h"
-#include "src/mc/mc_comm_pattern.h"
-#include "src/mc/mc_request.h"
-#include "src/mc/mc_safety.h"
-#include "src/mc/mc_private.h"
-#include "src/mc/mc_record.h"
-#include "src/mc/mc_smx.h"
-#include "src/mc/Client.hpp"
-#include "src/mc/CommunicationDeterminismChecker.hpp"
-#include "src/mc/mc_exit.h"
-#include "src/mc/VisitedState.hpp"
-#include "src/mc/Transition.hpp"
-
-using simgrid::mc::remote;
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_comm_determinism, mc,
- "Logging specific to MC communication determinism detection");
-
-/********** Global variables **********/
-
-xbt_dynar_t initial_communications_pattern;
-xbt_dynar_t incomplete_communications_pattern;
-
-/********** Static functions ***********/
-
-static e_mc_comm_pattern_difference_t compare_comm_pattern(simgrid::mc::PatternCommunication* comm1, simgrid::mc::PatternCommunication* comm2)
-{
- if(comm1->type != comm2->type)
- return TYPE_DIFF;
- if (comm1->rdv != comm2->rdv)
- return RDV_DIFF;
- if (comm1->src_proc != comm2->src_proc)
- return SRC_PROC_DIFF;
- if (comm1->dst_proc != comm2->dst_proc)
- return DST_PROC_DIFF;
- if (comm1->tag != comm2->tag)
- return TAG_DIFF;
- if (comm1->data.size() != comm2->data.size())
- return DATA_SIZE_DIFF;
- if (comm1->data != comm2->data)
- return DATA_DIFF;
- return NONE_DIFF;
-}
-
-static char* print_determinism_result(e_mc_comm_pattern_difference_t diff, int process, simgrid::mc::PatternCommunication* comm, unsigned int cursor) {
- char *type, *res;
-
- if (comm->type == simgrid::mc::PatternCommunicationType::send)
- type = bprintf("The send communications pattern of the process %d is different!", process - 1);
- else
- type = bprintf("The recv communications pattern of the process %d is different!", process - 1);
-
- switch(diff) {
- case TYPE_DIFF:
- res = bprintf("%s Different type for communication #%d", type, cursor);
- break;
- case RDV_DIFF:
- res = bprintf("%s Different rdv for communication #%d", type, cursor);
- break;
- case TAG_DIFF:
- res = bprintf("%s Different tag for communication #%d", type, cursor);
- break;
- case SRC_PROC_DIFF:
- res = bprintf("%s Different source for communication #%d", type, cursor);
- break;
- case DST_PROC_DIFF:
- res = bprintf("%s Different destination for communication #%d", type, cursor);
- break;
- case DATA_SIZE_DIFF:
- res = bprintf("%s\n Different data size for communication #%d", type, cursor);
- break;
- case DATA_DIFF:
- res = bprintf("%s\n Different data for communication #%d", type, cursor);
- break;
- default:
- res = nullptr;
- break;
- }
-
- return res;
-}
-
-static void update_comm_pattern(
- simgrid::mc::PatternCommunication* comm_pattern,
- simgrid::mc::RemotePtr<simgrid::kernel::activity::Comm> comm_addr)
-{
- // HACK, type punning
- simgrid::mc::Remote<simgrid::kernel::activity::Comm> temp_comm;
- mc_model_checker->process().read(temp_comm, comm_addr);
- simgrid::kernel::activity::Comm* comm = temp_comm.getBuffer();
-
- smx_actor_t src_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(comm->src_proc));
- smx_actor_t dst_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(comm->dst_proc));
- comm_pattern->src_proc = src_proc->pid;
- comm_pattern->dst_proc = dst_proc->pid;
- comm_pattern->src_host = MC_smx_actor_get_host_name(src_proc);
- comm_pattern->dst_host = MC_smx_actor_get_host_name(dst_proc);
- if (comm_pattern->data.size() == 0 && comm->src_buff != nullptr) {
- size_t buff_size;
- mc_model_checker->process().read(
- &buff_size, remote(comm->dst_buff_size));
- comm_pattern->data.resize(buff_size);
- mc_model_checker->process().read_bytes(
- comm_pattern->data.data(), comm_pattern->data.size(),
- remote(comm->src_buff));
- }
-}
-
-namespace simgrid {
-namespace mc {
-
-void CommunicationDeterminismChecker::deterministic_comm_pattern(
- int process, simgrid::mc::PatternCommunication* comm, int backtracking)
-{
- simgrid::mc::PatternCommunicationList* list =
- xbt_dynar_get_as(initial_communications_pattern, process, simgrid::mc::PatternCommunicationList*);
-
- if(!backtracking){
- e_mc_comm_pattern_difference_t diff =
- compare_comm_pattern(list->list[list->index_comm].get(), comm);
-
- if (diff != NONE_DIFF) {
- if (comm->type == simgrid::mc::PatternCommunicationType::send) {
- this->send_deterministic = 0;
- if (this->send_diff != nullptr)
- xbt_free(this->send_diff);
- this->send_diff = print_determinism_result(diff, process, comm, list->index_comm + 1);
- } else {
- this->recv_deterministic = 0;
- if (this->recv_diff != nullptr)
- xbt_free(this->recv_diff);
- this->recv_diff = print_determinism_result(diff, process, comm, list->index_comm + 1);
- }
- if(_sg_mc_send_determinism && !this->send_deterministic){
- XBT_INFO("*********************************************************");
- XBT_INFO("***** Non-send-deterministic communications pattern *****");
- XBT_INFO("*********************************************************");
- XBT_INFO("%s", this->send_diff);
- xbt_free(this->send_diff);
- this->send_diff = nullptr;
- simgrid::mc::session->logState();
- mc_model_checker->exit(SIMGRID_MC_EXIT_NON_DETERMINISM);
- }else if(_sg_mc_comms_determinism
- && (!this->send_deterministic && !this->recv_deterministic)) {
- XBT_INFO("****************************************************");
- XBT_INFO("***** Non-deterministic communications pattern *****");
- XBT_INFO("****************************************************");
- XBT_INFO("%s", this->send_diff);
- XBT_INFO("%s", this->recv_diff);
- xbt_free(this->send_diff);
- this->send_diff = nullptr;
- xbt_free(this->recv_diff);
- this->recv_diff = nullptr;
- simgrid::mc::session->logState();
- mc_model_checker->exit(SIMGRID_MC_EXIT_NON_DETERMINISM);
- }
- }
- }
-}
-
-/********** Non Static functions ***********/
-
-void CommunicationDeterminismChecker::get_comm_pattern(xbt_dynar_t list, smx_simcall_t request, e_mc_call_type_t call_type, int backtracking)
-{
- const smx_actor_t issuer = MC_smx_simcall_get_issuer(request);
- simgrid::mc::PatternCommunicationList* initial_pattern = xbt_dynar_get_as(
- initial_communications_pattern, issuer->pid, simgrid::mc::PatternCommunicationList*);
- xbt_dynar_t incomplete_pattern = xbt_dynar_get_as(
- incomplete_communications_pattern, issuer->pid, xbt_dynar_t);
-
- std::unique_ptr<simgrid::mc::PatternCommunication> pattern =
- std::unique_ptr<simgrid::mc::PatternCommunication>(
- new simgrid::mc::PatternCommunication());
- pattern->index =
- initial_pattern->index_comm + xbt_dynar_length(incomplete_pattern);
-
- if (call_type == MC_CALL_TYPE_SEND) {
- /* Create comm pattern */
- pattern->type = simgrid::mc::PatternCommunicationType::send;
- pattern->comm_addr = simcall_comm_isend__get__result(request);
-
- simgrid::mc::Remote<simgrid::kernel::activity::Comm> temp_synchro;
- mc_model_checker->process().read(temp_synchro, remote(
- static_cast<simgrid::kernel::activity::Comm*>(pattern->comm_addr)));
- simgrid::kernel::activity::Comm* synchro =
- static_cast<simgrid::kernel::activity::Comm*>(temp_synchro.getBuffer());
-
- char* remote_name = mc_model_checker->process().read<char*>(
- (std::uint64_t)(synchro->mbox ? &synchro->mbox->name : &synchro->mbox_cpy->name));
- pattern->rdv = mc_model_checker->process().read_string(remote_name);
- pattern->src_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(synchro->src_proc))->pid;
- pattern->src_host = MC_smx_actor_get_host_name(issuer);
-
- struct s_smpi_mpi_request mpi_request =
- mc_model_checker->process().read<s_smpi_mpi_request>(
- (std::uint64_t) simcall_comm_isend__get__data(request));
- pattern->tag = mpi_request.tag;
-
- if (synchro->src_buff != nullptr){
- pattern->data.resize(synchro->src_buff_size);
- mc_model_checker->process().read_bytes(
- pattern->data.data(), pattern->data.size(),
- remote(synchro->src_buff));
- }
- if(mpi_request.detached){
- if (!this->initial_communications_pattern_done) {
- /* Store comm pattern */
- simgrid::mc::PatternCommunicationList* list = xbt_dynar_get_as(
- initial_communications_pattern, pattern->src_proc,
- simgrid::mc::PatternCommunicationList*);
- list->list.push_back(std::move(pattern));
- } else {
- /* Evaluate comm determinism */
- this->deterministic_comm_pattern(pattern->src_proc, pattern.get(), backtracking);
- xbt_dynar_get_as(
- initial_communications_pattern, pattern->src_proc, simgrid::mc::PatternCommunicationList*
- )->index_comm++;
- }
- return;
- }
- } else if (call_type == MC_CALL_TYPE_RECV) {
- pattern->type = simgrid::mc::PatternCommunicationType::receive;
- pattern->comm_addr = simcall_comm_irecv__get__result(request);
-
- struct s_smpi_mpi_request mpi_request;
- mc_model_checker->process().read(
- &mpi_request, remote((struct s_smpi_mpi_request*)simcall_comm_irecv__get__data(request)));
- pattern->tag = mpi_request.tag;
-
- simgrid::mc::Remote<simgrid::kernel::activity::Comm> temp_comm;
- mc_model_checker->process().read(temp_comm, remote(
- static_cast<simgrid::kernel::activity::Comm*>(pattern->comm_addr)));
- simgrid::kernel::activity::Comm* comm = temp_comm.getBuffer();
-
- char* remote_name;
- mc_model_checker->process().read(&remote_name,
- remote(comm->mbox ? &comm->mbox->name : &comm->mbox_cpy->name));
- pattern->rdv = mc_model_checker->process().read_string(remote_name);
- pattern->dst_proc = mc_model_checker->process().resolveActor(simgrid::mc::remote(comm->dst_proc))->pid;
- pattern->dst_host = MC_smx_actor_get_host_name(issuer);
- } else
- xbt_die("Unexpected call_type %i", (int) call_type);
-
- XBT_DEBUG("Insert incomplete comm pattern %p for process %lu",
- pattern.get(), issuer->pid);
- xbt_dynar_t dynar =
- xbt_dynar_get_as(incomplete_communications_pattern, issuer->pid, xbt_dynar_t);
- simgrid::mc::PatternCommunication* pattern2 = pattern.release();
- xbt_dynar_push(dynar, &pattern2);
-}
-
-
-void CommunicationDeterminismChecker::complete_comm_pattern(
- xbt_dynar_t list, simgrid::mc::RemotePtr<simgrid::kernel::activity::Comm> comm_addr,
- unsigned int issuer, int backtracking)
-{
- simgrid::mc::PatternCommunication* current_comm_pattern;
- unsigned int cursor = 0;
- std::unique_ptr<simgrid::mc::PatternCommunication> comm_pattern;
- int completed = 0;
-
- /* Complete comm pattern */
- xbt_dynar_foreach(xbt_dynar_get_as(incomplete_communications_pattern, issuer, xbt_dynar_t), cursor, current_comm_pattern)
- if (remote(current_comm_pattern->comm_addr) == comm_addr) {
- update_comm_pattern(current_comm_pattern, comm_addr);
- completed = 1;
- simgrid::mc::PatternCommunication* temp;
- xbt_dynar_remove_at(
- xbt_dynar_get_as(incomplete_communications_pattern, issuer, xbt_dynar_t),
- cursor, &temp);
- comm_pattern = std::unique_ptr<simgrid::mc::PatternCommunication>(temp);
- XBT_DEBUG("Remove incomplete comm pattern for process %u at cursor %u", issuer, cursor);
- break;
- }
-
- if(!completed)
- xbt_die("Corresponding communication not found!");
-
- simgrid::mc::PatternCommunicationList* pattern = xbt_dynar_get_as(
- initial_communications_pattern, issuer, simgrid::mc::PatternCommunicationList*);
-
- if (!this->initial_communications_pattern_done)
- /* Store comm pattern */
- pattern->list.push_back(std::move(comm_pattern));
- else {
- /* Evaluate comm determinism */
- this->deterministic_comm_pattern(issuer, comm_pattern.get(), backtracking);
- pattern->index_comm++;
- }
-}
-
-CommunicationDeterminismChecker::CommunicationDeterminismChecker(Session& session)
- : Checker(session)
-{
-
-}
-
-CommunicationDeterminismChecker::~CommunicationDeterminismChecker()
-{
-
-}
-
-RecordTrace CommunicationDeterminismChecker::getRecordTrace() // override
-{
- RecordTrace res;
- for (auto const& state : stack_)
- res.push_back(state->getTransition());
- return res;
-}
-
-std::vector<std::string> CommunicationDeterminismChecker::getTextualTrace() // override
-{
- std::vector<std::string> trace;
- for (auto const& state : stack_) {
- smx_simcall_t req = &state->executed_req;
- if (req)
- trace.push_back(simgrid::mc::request_to_string(
- req, state->transition.argument, simgrid::mc::RequestType::executed));
- }
- return trace;
-}
-
-void CommunicationDeterminismChecker::logState() // override
-{
- Checker::logState();
- if (_sg_mc_comms_determinism &&
- !this->recv_deterministic &&
- this->send_deterministic) {
- XBT_INFO("******************************************************");
- XBT_INFO("**** Only-send-deterministic communication pattern ****");
- XBT_INFO("******************************************************");
- XBT_INFO("%s", this->recv_diff);
- } else if(_sg_mc_comms_determinism &&
- !this->send_deterministic &&
- this->recv_deterministic) {
- XBT_INFO("******************************************************");
- XBT_INFO("**** Only-recv-deterministic communication pattern ****");
- XBT_INFO("******************************************************");
- XBT_INFO("%s", this->send_diff);
- }
- XBT_INFO("Expanded states = %lu", expandedStatesCount_);
- XBT_INFO("Visited states = %lu", mc_model_checker->visited_states);
- XBT_INFO("Executed transitions = %lu", mc_model_checker->executed_transitions);
- XBT_INFO("Send-deterministic : %s", !this->send_deterministic ? "No" : "Yes");
- if (_sg_mc_comms_determinism)
- XBT_INFO("Recv-deterministic : %s",
- !this->recv_deterministic ? "No" : "Yes");
-}
-
-void CommunicationDeterminismChecker::prepare()
-{
-
- int i;
- const int maxpid = MC_smx_get_maxpid();
-
- // Create initial_communications_pattern elements:
- initial_communications_pattern = simgrid::xbt::newDeleteDynar<simgrid::mc::PatternCommunicationList*>();
- for (i=0; i < maxpid; i++){
- simgrid::mc::PatternCommunicationList* process_list_pattern = new simgrid::mc::PatternCommunicationList();
- xbt_dynar_insert_at(initial_communications_pattern, i, &process_list_pattern);
- }
-
- // Create incomplete_communications_pattern elements:
- incomplete_communications_pattern = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
- for (i=0; i < maxpid; i++){
- xbt_dynar_t process_pattern = xbt_dynar_new(sizeof(simgrid::mc::PatternCommunication*), nullptr);
- xbt_dynar_insert_at(incomplete_communications_pattern, i, &process_pattern);
- }
-
- std::unique_ptr<simgrid::mc::State> initial_state =
- std::unique_ptr<simgrid::mc::State>(new simgrid::mc::State(++expandedStatesCount_));
-
- XBT_DEBUG("********* Start communication determinism verification *********");
-
- /* Get an enabled actor and insert it in the interleave set of the initial state */
- for (auto& actor : mc_model_checker->process().actors())
- if (simgrid::mc::actor_is_enabled(actor.copy.getBuffer()))
- initial_state->interleave(actor.copy.getBuffer());
-
- stack_.push_back(std::move(initial_state));
-}
-
-static inline
-bool all_communications_are_finished()
-{
- for (size_t current_actor = 1; current_actor < MC_smx_get_maxpid(); current_actor++) {
- xbt_dynar_t pattern = xbt_dynar_get_as(incomplete_communications_pattern, current_actor, xbt_dynar_t);
- if (!xbt_dynar_is_empty(pattern)) {
- XBT_DEBUG("Some communications are not finished, cannot stop the exploration ! State not visited.");
- return false;
- }
- }
- return true;
-}
-
-void CommunicationDeterminismChecker::restoreState()
-{
- /* Intermediate backtracking */
- {
- simgrid::mc::State* state = stack_.back().get();
- if (state->system_state) {
- simgrid::mc::restore_snapshot(state->system_state);
- MC_restore_communications_pattern(state);
- return;
- }
- }
-
- /* Restore the initial state */
- simgrid::mc::session->restoreInitialState();
-
- // int n = xbt_dynar_length(incomplete_communications_pattern);
- unsigned n = MC_smx_get_maxpid();
- assert(n == xbt_dynar_length(incomplete_communications_pattern));
- assert(n == xbt_dynar_length(initial_communications_pattern));
- for (unsigned j=0; j < n ; j++) {
- xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t));
- xbt_dynar_get_as(initial_communications_pattern, j, simgrid::mc::PatternCommunicationList*)->index_comm = 0;
- }
-
- /* Traverse the stack from the state at position start and re-execute the transitions */
- for (std::unique_ptr<simgrid::mc::State> const& state : stack_) {
- if (state == stack_.back())
- break;
-
- int req_num = state->transition.argument;
- smx_simcall_t saved_req = &state->executed_req;
- xbt_assert(saved_req);
-
- /* because we got a copy of the executed request, we have to fetch the
- real one, pointed by the request field of the issuer process */
-
- const smx_actor_t issuer = MC_smx_simcall_get_issuer(saved_req);
- smx_simcall_t req = &issuer->simcall;
-
- /* TODO : handle test and testany simcalls */
- e_mc_call_type_t call = MC_get_call_type(req);
- mc_model_checker->handle_simcall(state->transition);
- MC_handle_comm_pattern(call, req, req_num, nullptr, 1);
- mc_model_checker->wait_for_requests();
-
- /* Update statistics */
- mc_model_checker->visited_states++;
- mc_model_checker->executed_transitions++;
- }
-}
-
-int CommunicationDeterminismChecker::main(void)
-{
- std::unique_ptr<simgrid::mc::VisitedState> visited_state = nullptr;
- smx_simcall_t req = nullptr;
-
- while (!stack_.empty()) {
-
- /* Get current state */
- simgrid::mc::State* state = stack_.back().get();
-
- XBT_DEBUG("**************************************************");
- XBT_DEBUG("Exploration depth = %zi (state = %d, interleaved processes = %zd)",
- stack_.size(), state->num,
- state->interleaveSize());
-
- /* Update statistics */
- mc_model_checker->visited_states++;
-
- if (stack_.size() <= (std::size_t) _sg_mc_max_depth
- && (req = MC_state_get_request(state)) != nullptr
- && (visited_state == nullptr)) {
-
- int req_num = state->transition.argument;
-
- XBT_DEBUG("Execute: %s",
- simgrid::mc::request_to_string(
- req, req_num, simgrid::mc::RequestType::simix).c_str());
-
- std::string req_str;
- if (dot_output != nullptr)
- req_str = simgrid::mc::request_get_dot_output(req, req_num);
-
- mc_model_checker->executed_transitions++;
-
- /* TODO : handle test and testany simcalls */
- e_mc_call_type_t call = MC_CALL_TYPE_NONE;
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
- call = MC_get_call_type(req);
-
- /* Answer the request */
- mc_model_checker->handle_simcall(state->transition);
- /* After this call req is no longer useful */
-
- if (!this->initial_communications_pattern_done)
- MC_handle_comm_pattern(call, req, req_num, initial_communications_pattern, 0);
- else
- MC_handle_comm_pattern(call, req, req_num, nullptr, 0);
-
- /* Wait for requests (schedules processes) */
- mc_model_checker->wait_for_requests();
-
- /* Create the new expanded state */
- std::unique_ptr<simgrid::mc::State> next_state =
- std::unique_ptr<simgrid::mc::State>(new simgrid::mc::State(++expandedStatesCount_));
-
- /* If comm determinism verification, we cannot stop the exploration if
- some communications are not finished (at least, data are transferred).
- These communications are incomplete and they cannot be analyzed and
- compared with the initial pattern. */
- bool compare_snapshots = all_communications_are_finished()
- && this->initial_communications_pattern_done;
-
- if (_sg_mc_visited == 0
- || (visited_state = visitedStates_.addVisitedState(
- expandedStatesCount_, next_state.get(), compare_snapshots)) == nullptr) {
-
- /* Get enabled actors and insert them in the interleave set of the next state */
- for (auto& actor : mc_model_checker->process().actors())
- if (simgrid::mc::actor_is_enabled(actor.copy.getBuffer()))
- next_state->interleave(actor.copy.getBuffer());
-
- if (dot_output != nullptr)
- fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n",
- state->num, next_state->num, req_str.c_str());
-
- } else if (dot_output != nullptr)
- fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n",
- state->num, visited_state->other_num == -1 ? visited_state->num : visited_state->other_num, req_str.c_str());
-
- stack_.push_back(std::move(next_state));
-
- } else {
-
- if (stack_.size() > (std::size_t) _sg_mc_max_depth)
- XBT_WARN("/!\\ Max depth reached ! /!\\ ");
- else if (visited_state != nullptr)
- XBT_DEBUG("State already visited (equal to state %d), exploration stopped on this path.", visited_state->other_num == -1 ? visited_state->num : visited_state->other_num);
- else
- XBT_DEBUG("There are no more processes to interleave. (depth %zi)",
- stack_.size());
-
- if (!this->initial_communications_pattern_done)
- this->initial_communications_pattern_done = 1;
-
- /* Trash the current state, no longer needed */
- XBT_DEBUG("Delete state %d at depth %zi",
- state->num, stack_.size());
- stack_.pop_back();
-
- visited_state = nullptr;
-
- /* Check for deadlocks */
- if (mc_model_checker->checkDeadlock()) {
- MC_show_deadlock();
- return SIMGRID_MC_EXIT_DEADLOCK;
- }
-
- while (!stack_.empty()) {
- std::unique_ptr<simgrid::mc::State> state = std::move(stack_.back());
- stack_.pop_back();
- if (state->interleaveSize()
- && stack_.size() < (std::size_t) _sg_mc_max_depth) {
- /* We found a back-tracking point, let's loop */
- XBT_DEBUG("Back-tracking to state %d at depth %zi",
- state->num, stack_.size() + 1);
- stack_.push_back(std::move(state));
-
- this->restoreState();
-
- XBT_DEBUG("Back-tracking to state %d at depth %zi done",
- stack_.back()->num, stack_.size());
-
- break;
- } else {
- XBT_DEBUG("Delete state %d at depth %zi",
- state->num, stack_.size() + 1);
- }
- }
- }
- }
-
- simgrid::mc::session->logState();
- return SIMGRID_MC_EXIT_SUCCESS;
-}
-
-int CommunicationDeterminismChecker::run()
-{
- XBT_INFO("Check communication determinism");
- simgrid::mc::session->initialize();
-
- this->prepare();
-
- this->initial_communications_pattern_done = 0;
- this->recv_deterministic = 1;
- this->send_deterministic = 1;
- this->recv_diff = nullptr;
- this->send_diff = nullptr;
-
- int res = this->main();
- return res;
-}
-
-Checker* createCommunicationDeterminismChecker(Session& session)
-{
- return new CommunicationDeterminismChecker(session);
-}
-
-}
-}