char mc_replay_mode = false;
mc_stats_t mc_stats = nullptr;
-xbt_fifo_t mc_stack = nullptr;
/* Liveness */
simgrid::mc::processes_time.clear();
}
+namespace simgrid {
+namespace mc {
+
/**
* \brief Re-executes from the state at position start all the transitions indicated by
* a given model-checker stack.
* \param stack The stack with the transitions to execute.
* \param start Start index to begin the re-execution.
*/
-void MC_replay(xbt_fifo_t stack)
+void replay(std::list<simgrid::mc::State*> const& stack)
{
- int value, count = 1;
- char *req_str;
- smx_simcall_t req = nullptr, saved_req = NULL;
- xbt_fifo_item_t item, start_item;
- simgrid::mc::State* state;
-
XBT_DEBUG("**** Begin Replay ****");
/* Intermediate backtracking */
if(_sg_mc_checkpoint > 0 || _sg_mc_termination || _sg_mc_visited > 0) {
- start_item = xbt_fifo_get_first_item(stack);
- state = (simgrid::mc::State*)xbt_fifo_get_item_content(start_item);
- if(state->system_state){
+ simgrid::mc::State* state = stack.back();
+ if (state->system_state) {
simgrid::mc::restore_snapshot(state->system_state);
if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
MC_restore_communications_pattern(state);
/* At the moment of taking the snapshot the raw heap was set, so restoring
* it will set it back again, we have to unset it to continue */
- start_item = xbt_fifo_get_last_item(stack);
-
if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
// int n = xbt_dynar_length(incomplete_communications_pattern);
unsigned n = MC_smx_get_maxpid();
}
}
+ int count = 1;
+
/* Traverse the stack from the state at position start and re-execute the transitions */
- for (item = start_item;
- item != xbt_fifo_get_first_item(stack);
- item = xbt_fifo_get_prev_item(item)) {
+ for (simgrid::mc::State* state : stack) {
+ if (state == stack.back())
+ break;
- state = (simgrid::mc::State*) xbt_fifo_get_item_content(item);
- saved_req = MC_state_get_executed_request(state, &value);
+ int value;
+ smx_simcall_t saved_req = MC_state_get_executed_request(state, &value);
if (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_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
- req = &issuer->simcall;
+ smx_simcall_t req = &issuer->simcall;
/* Debug information */
if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
- req_str = simgrid::mc::request_to_string(req, value, simgrid::mc::RequestType::simix);
+ char* req_str = simgrid::mc::request_to_string(req, value, simgrid::mc::RequestType::simix);
XBT_DEBUG("Replay: %s (%p)", req_str, state);
xbt_free(req_str);
}
XBT_DEBUG("**** End Replay ****");
}
+}
+}
+
void MC_show_deadlock(void)
{
XBT_INFO("**************************");