+ MC_UNSET_RAW_MEM;
+ return;
+}
+
+
+/********************* DPOR stateful *********************/
+
+mc_state_ws_t new_state_ws(mc_snapshot_t s, mc_state_t gs){
+ mc_state_ws_t sws = NULL;
+ sws = xbt_new0(s_mc_state_ws_t, 1);
+ sws->system_state = s;
+ sws->graph_state = gs;
+ return sws;
+}
+
+void MC_dpor_stateful_init(){
+
+ XBT_DEBUG("**************************************************");
+ XBT_DEBUG("DPOR (stateful) init");
+ XBT_DEBUG("**************************************************");
+
+ mc_state_t initial_graph_state;
+ smx_process_t process;
+ mc_snapshot_t initial_system_snapshot;
+ mc_state_ws_t initial_state ;
+
+ MC_wait_for_requests();
+
+ MC_SET_RAW_MEM;
+
+ initial_system_snapshot = xbt_new0(s_mc_snapshot_t, 1);
+
+ initial_graph_state = MC_state_new();
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(initial_graph_state, process);
+ break;
+ }
+ }
+
+ MC_take_snapshot(initial_system_snapshot);
+
+ initial_state = new_state_ws(initial_system_snapshot, initial_graph_state);
+ xbt_fifo_unshift(mc_stack_safety_stateful, initial_state);
+
+ MC_UNSET_RAW_MEM;
+
+}
+
+void MC_dpor_stateful(){
+
+ smx_process_t process = NULL;
+
+ if(xbt_fifo_size(mc_stack_safety_stateful) == 0)
+ return;
+
+ int value;
+ mc_state_t next_graph_state = NULL;
+ smx_simcall_t req = NULL, prev_req = NULL;
+ char *req_str;
+ xbt_fifo_item_t item = NULL;
+
+ mc_snapshot_t next_snapshot;
+ mc_state_ws_t current_state;
+ mc_state_ws_t prev_state;
+ mc_state_ws_t next_state;
+
+ while(xbt_fifo_size(mc_stack_safety_stateful) > 0){
+
+ current_state = (mc_state_ws_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_safety_stateful));
+
+
+ XBT_DEBUG("**************************************************");
+ XBT_DEBUG("Depth : %d, State : %p , %u interleave", xbt_fifo_size(mc_stack_safety_stateful),current_state, MC_state_interleave_size(current_state->graph_state));
+
+ mc_stats->visited_states++;
+ if(mc_stats->expanded_states>1100)
+ exit(0);
+ //sleep(1);
+
+ if((xbt_fifo_size(mc_stack_safety_stateful) < MAX_DEPTH) && (req = MC_state_get_request(current_state->graph_state, &value))){
+
+ /* Debug information */
+ if(XBT_LOG_ISENABLED(mc_dpor, xbt_log_priority_debug)){
+ req_str = MC_request_to_string(req, value);
+ //XBT_INFO("Visited states = %lu",mc_stats->visited_states );
+ XBT_DEBUG("Execute: %s",req_str);
+ xbt_free(req_str);
+ }
+
+ MC_state_set_executed_request(current_state->graph_state, req, value);
+ mc_stats->executed_transitions++;
+
+ /* Answer the request */
+ SIMIX_simcall_pre(req, value);
+
+ /* Wait for requests (schedules processes) */
+ MC_wait_for_requests();
+
+ /* Create the new expanded graph_state */
+ MC_SET_RAW_MEM;
+
+ next_graph_state = MC_state_new();
+
+ /* Get an enabled process and insert it in the interleave set of the next graph_state */
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(next_graph_state, process);
+ break;
+ }
+ }
+
+ next_snapshot = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot(next_snapshot);
+
+ next_state = new_state_ws(next_snapshot, next_graph_state);
+ xbt_fifo_unshift(mc_stack_safety_stateful, next_state);
+
+ MC_UNSET_RAW_MEM;
+
+ }else{
+ XBT_DEBUG("There are no more processes to interleave.");
+
+ /* Trash the current state, no longer needed */
+ MC_SET_RAW_MEM;
+ xbt_fifo_shift(mc_stack_safety_stateful);
+ MC_UNSET_RAW_MEM;
+
+ /* Check for deadlocks */
+ if(MC_deadlock_check()){
+ MC_show_deadlock_stateful(NULL);
+ return;
+ }
+
+ MC_SET_RAW_MEM;
+ while((current_state = xbt_fifo_shift(mc_stack_safety_stateful)) != NULL){
+ req = MC_state_get_internal_request(current_state->graph_state);
+ xbt_fifo_foreach(mc_stack_safety_stateful, item, prev_state, mc_state_ws_t) {
+ if(MC_request_depend(req, MC_state_get_internal_request(prev_state->graph_state))){
+ if(XBT_LOG_ISENABLED(mc_dpor, xbt_log_priority_debug)){
+ XBT_DEBUG("Dependent Transitions:");
+ prev_req = MC_state_get_executed_request(prev_state->graph_state, &value);
+ req_str = MC_request_to_string(prev_req, value);
+ XBT_DEBUG("%s (state=%p)", req_str, prev_state->graph_state);
+ xbt_free(req_str);
+ prev_req = MC_state_get_executed_request(current_state->graph_state, &value);
+ req_str = MC_request_to_string(prev_req, value);
+ XBT_DEBUG("%s (state=%p)", req_str, current_state->graph_state);
+ xbt_free(req_str);
+ }
+
+ if(!MC_state_process_is_done(prev_state->graph_state, req->issuer)){
+ MC_state_interleave_process(prev_state->graph_state, req->issuer);
+
+ } else {
+ XBT_DEBUG("Process %p is in done set", req->issuer);
+ }
+
+ break;
+ }
+ }
+
+ if(MC_state_interleave_size(current_state->graph_state)){
+ MC_restore_snapshot(current_state->system_state);
+ xbt_fifo_unshift(mc_stack_safety_stateful, current_state);
+ XBT_DEBUG("Back-tracking to depth %d", xbt_fifo_size(mc_stack_safety_stateful));
+ MC_UNSET_RAW_MEM;
+ break;
+ }
+ }
+
+ MC_UNSET_RAW_MEM;
+
+ }
+ }
+ MC_UNSET_RAW_MEM;
+ return;
+}
+
+
+
