1 /* Copyright (c) 2008-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
17 #include "simgrid/sg_config.h"
18 #include "../surf/surf_private.h"
19 #include "../simix/smx_private.h"
21 #include "xbt/automaton.h"
25 #include <libunwind.h>
26 #include <xbt/mmalloc.h>
28 #include "../xbt/mmalloc/mmprivate.h"
29 #include "mc_object_info.h"
30 #include "mc_comm_pattern.h"
31 #include "mc_request.h"
32 #include "mc_safety.h"
33 #include "mc_memory_map.h"
34 #include "mc_snapshot.h"
35 #include "mc_liveness.h"
36 #include "mc_private.h"
40 #include "mc_record.h"
41 #include "mc_protocol.h"
42 #include "mc_client.h"
44 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
45 "Logging specific to MC (global)");
49 double *mc_time = NULL;
52 int user_max_depth_reached = 0;
54 /* MC global data structures */
55 mc_state_t mc_current_state = NULL;
56 char mc_replay_mode = FALSE;
58 __thread mc_comparison_times_t mc_comp_times = NULL;
59 __thread double mc_snapshot_comparison_time;
60 mc_stats_t mc_stats = NULL;
61 mc_global_t initial_global_state = NULL;
62 xbt_fifo_t mc_stack = NULL;
65 xbt_automaton_t _mc_property_automaton = NULL;
68 FILE *dot_output = NULL;
69 const char *colors[13];
72 /******************************* Initialisation of MC *******************************/
73 /*********************************************************************************/
75 static void MC_init_dot_output()
76 { /* FIXME : more colors */
81 colors[3] = "goldenrod";
84 colors[6] = "magenta";
85 colors[7] = "turquoise4";
87 colors[9] = "forestgreen";
88 colors[10] = "hotpink";
89 colors[11] = "lightblue";
92 dot_output = fopen(_sg_mc_dot_output_file, "w");
94 if (dot_output == NULL) {
95 perror("Error open dot output file");
100 "digraph graphname{\n fixedsize=true; rankdir=TB; ranksep=.25; edge [fontsize=12]; node [fontsize=10, shape=circle,width=.5 ]; graph [resolution=20, fontsize=10];\n");
106 MC_init_pid(getpid(), -1);
109 void MC_init_pid(pid_t pid, int socket)
111 if (mc_mode == MC_MODE_NONE) {
112 if (getenv(MC_ENV_SOCKET_FD)) {
113 mc_mode = MC_MODE_CLIENT;
115 mc_mode = MC_MODE_STANDALONE;
119 /* Initialize the data structures that must be persistent across every
120 iteration of the model-checker (in RAW memory) */
122 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
124 mc_model_checker = MC_model_checker_new(pid, socket);
125 if (mc_mode == MC_MODE_SERVER) {
127 MC_process_read_variable(&mc_model_checker->process, "simix_process_maxpid",
128 &maxpid, sizeof(maxpid));
129 simix_process_maxpid = maxpid;
132 mmalloc_set_current_heap(std_heap);
133 mc_time = xbt_new0(double, MC_smx_get_maxpid());
134 mmalloc_set_current_heap(mc_heap);
136 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
138 /* Initialize statistics */
139 mc_stats = xbt_new0(s_mc_stats_t, 1);
140 mc_stats->state_size = 1;
142 if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0'))
143 MC_init_dot_output();
146 //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
150 if (_sg_mc_visited > 0 || _sg_mc_liveness || _sg_mc_termination) {
151 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
152 MC_ignore_local_variable("e", "*");
153 MC_ignore_local_variable("__ex_cleanup", "*");
154 MC_ignore_local_variable("__ex_mctx_en", "*");
155 MC_ignore_local_variable("__ex_mctx_me", "*");
156 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
157 MC_ignore_local_variable("_log_ev", "*");
158 MC_ignore_local_variable("_throw_ctx", "*");
159 MC_ignore_local_variable("ctx", "*");
161 MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
162 MC_ignore_local_variable("next_cont"
163 "ext", "smx_ctx_sysv_suspend_serial");
164 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
166 /* Ignore local variable about time used for tracing */
167 MC_ignore_local_variable("start_time", "*");
170 MC_ignore_global_variable("mc_model_checker");
171 MC_ignore_global_variable("initial_communications_pattern");
172 MC_ignore_global_variable("incomplete_communications_pattern");
173 MC_ignore_global_variable("nb_comm_pattern");
175 /* MC __thread variables: */
176 MC_ignore_global_variable("mc_diff_info");
177 MC_ignore_global_variable("mc_comp_times");
178 MC_ignore_global_variable("mc_snapshot_comparison_time");
180 /* This MC state is used in MC replay as well: */
181 MC_ignore_global_variable("mc_time");
183 /* Static variable used for tracing */
184 MC_ignore_global_variable("counter");
187 MC_ignore_global_variable("smx_total_comms");
189 if (mc_mode == MC_MODE_STANDALONE || mc_mode == MC_MODE_CLIENT) {
190 /* Those requests are handled on the client side and propagated by message
193 MC_ignore_heap(mc_time, MC_smx_get_maxpid() * sizeof(double));
195 smx_process_t process;
196 xbt_swag_foreach(process, simix_global->process_list) {
197 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
203 mmalloc_set_current_heap(heap);
205 if (mc_mode == MC_MODE_CLIENT) {
206 // This will move somehwere else:
207 MC_client_handle_messages();
212 /******************************* Core of MC *******************************/
213 /**************************************************************************/
215 static void MC_modelcheck_comm_determinism_init(void)
219 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
221 /* Create exploration stack */
222 mc_stack = xbt_fifo_new();
226 MC_pre_modelcheck_comm_determinism();
229 initial_global_state = xbt_new0(s_mc_global_t, 1);
230 initial_global_state->snapshot = MC_take_snapshot(0);
231 initial_global_state->initial_communications_pattern_done = 0;
232 initial_global_state->recv_deterministic = 1;
233 initial_global_state->send_deterministic = 1;
234 initial_global_state->recv_diff = NULL;
235 initial_global_state->send_diff = NULL;
239 MC_modelcheck_comm_determinism();
241 mmalloc_set_current_heap(heap);
244 static void MC_modelcheck_safety_init(void)
250 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
252 /* Create exploration stack */
253 mc_stack = xbt_fifo_new();
257 MC_pre_modelcheck_safety();
260 /* Save the initial state */
261 initial_global_state = xbt_new0(s_mc_global_t, 1);
262 initial_global_state->snapshot = MC_take_snapshot(0);
265 MC_modelcheck_safety();
267 mmalloc_set_current_heap(heap);
273 static void MC_modelcheck_liveness_init()
279 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
281 /* Create exploration stack */
282 mc_stack = xbt_fifo_new();
284 /* Create the initial state */
285 initial_global_state = xbt_new0(s_mc_global_t, 1);
289 MC_pre_modelcheck_liveness();
292 MC_print_statistics(mc_stats);
295 mmalloc_set_current_heap(heap);
299 void MC_do_the_modelcheck_for_real()
302 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
303 XBT_INFO("Check communication determinism");
304 mc_reduce_kind = e_mc_reduce_none;
305 MC_modelcheck_comm_determinism_init();
306 } else if (!_sg_mc_property_file || _sg_mc_property_file[0] == '\0') {
307 if(_sg_mc_termination){
308 XBT_INFO("Check non progressive cycles");
309 mc_reduce_kind = e_mc_reduce_none;
311 XBT_INFO("Check a safety property");
313 MC_modelcheck_safety_init();
315 if (mc_reduce_kind == e_mc_reduce_unset)
316 mc_reduce_kind = e_mc_reduce_none;
317 XBT_INFO("Check the liveness property %s", _sg_mc_property_file);
318 MC_automaton_load(_sg_mc_property_file);
319 MC_modelcheck_liveness_init();
332 int MC_deadlock_check()
334 if (mc_mode == MC_MODE_SERVER) {
336 if ((res = MC_protocol_send_simple_message(mc_model_checker->process.socket,
337 MC_MESSAGE_DEADLOCK_CHECK)))
338 xbt_die("Could not check deadlock state");
339 s_mc_int_message_t message;
340 ssize_t s = MC_receive_message(mc_model_checker->process.socket, &message, sizeof(message));
342 xbt_die("Could not receive message");
343 else if (s != sizeof(message) || message.type != MC_MESSAGE_DEADLOCK_CHECK_REPLY) {
344 xbt_die("Unexpected message, expected MC_MESSAGE_DEADLOCK_CHECK_REPLY %i %i vs %i %i",
345 (int) s, (int) message.type, (int) sizeof(message), (int) MC_MESSAGE_DEADLOCK_CHECK_REPLY
349 return message.value;
352 int deadlock = FALSE;
353 smx_process_t process;
354 if (xbt_swag_size(simix_global->process_list)) {
356 MC_EACH_SIMIX_PROCESS(process,
357 if (MC_process_is_enabled(process)) {
366 void handle_comm_pattern(e_mc_call_type_t call_type, smx_simcall_t req, int value, xbt_dynar_t pattern, int backtracking) {
369 case MC_CALL_TYPE_NONE:
371 case MC_CALL_TYPE_SEND:
372 case MC_CALL_TYPE_RECV:
373 get_comm_pattern(pattern, req, call_type, backtracking);
375 case MC_CALL_TYPE_WAIT:
376 case MC_CALL_TYPE_WAITANY:
378 smx_synchro_t current_comm = NULL;
379 if (call_type == MC_CALL_TYPE_WAIT)
380 current_comm = simcall_comm_wait__get__comm(req);
382 current_comm = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_synchro_t);
383 complete_comm_pattern(pattern, current_comm, req->issuer->pid, backtracking);
387 xbt_die("Unexpected call type %i", (int)call_type);
392 static void MC_restore_communications_pattern(mc_state_t state) {
393 mc_list_comm_pattern_t list_process_comm;
394 unsigned int cursor, cursor2;
395 xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm){
396 list_process_comm->index_comm = (int)xbt_dynar_get_as(state->index_comm, cursor, int);
398 mc_comm_pattern_t comm;
400 xbt_dynar_t initial_incomplete_process_comms, incomplete_process_comms;
401 for(int i=0; i < MC_smx_get_maxpid(); i++){
402 initial_incomplete_process_comms = xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t);
403 xbt_dynar_reset(initial_incomplete_process_comms);
404 incomplete_process_comms = xbt_dynar_get_as(state->incomplete_comm_pattern, i, xbt_dynar_t);
405 xbt_dynar_foreach(incomplete_process_comms, cursor2, comm) {
406 mc_comm_pattern_t copy_comm = xbt_new0(s_mc_comm_pattern_t, 1);
407 copy_comm->index = comm->index;
408 copy_comm->type = comm->type;
409 copy_comm->comm = comm->comm;
410 copy_comm->rdv = strdup(comm->rdv);
411 copy_comm->data_size = -1;
412 copy_comm->data = NULL;
413 if(comm->type == SIMIX_COMM_SEND){
414 copy_comm->src_proc = comm->src_proc;
415 copy_comm->src_host = comm->src_host;
416 if(comm->data != NULL){
417 copy_comm->data_size = comm->data_size;
418 copy_comm->data = xbt_malloc0(comm->data_size);
419 memcpy(copy_comm->data, comm->data, comm->data_size);
422 copy_comm->dst_proc = comm->dst_proc;
423 copy_comm->dst_host = comm->dst_host;
425 xbt_dynar_push(initial_incomplete_process_comms, ©_comm);
431 * \brief Re-executes from the state at position start all the transitions indicated by
432 * a given model-checker stack.
433 * \param stack The stack with the transitions to execute.
434 * \param start Start index to begin the re-execution.
436 void MC_replay(xbt_fifo_t stack)
438 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
440 int value, count = 1, j;
442 smx_simcall_t req = NULL, saved_req = NULL;
443 xbt_fifo_item_t item, start_item;
446 XBT_DEBUG("**** Begin Replay ****");
448 /* Intermediate backtracking */
449 if(_sg_mc_checkpoint > 0 || _sg_mc_termination || _sg_mc_visited > 0) {
450 start_item = xbt_fifo_get_first_item(stack);
451 state = (mc_state_t)xbt_fifo_get_item_content(start_item);
452 if(state->system_state){
453 MC_restore_snapshot(state->system_state);
454 if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
455 MC_restore_communications_pattern(state);
462 /* Restore the initial state */
463 MC_restore_snapshot(initial_global_state->snapshot);
464 /* At the moment of taking the snapshot the raw heap was set, so restoring
465 * it will set it back again, we have to unset it to continue */
468 start_item = xbt_fifo_get_last_item(stack);
472 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
473 for (j=0; j < simix_process_maxpid; j++) {
474 xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t));
475 ((mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, j, mc_list_comm_pattern_t))->index_comm = 0;
481 /* Traverse the stack from the state at position start and re-execute the transitions */
482 for (item = start_item;
483 item != xbt_fifo_get_first_item(stack);
484 item = xbt_fifo_get_prev_item(item)) {
486 state = (mc_state_t) xbt_fifo_get_item_content(item);
487 saved_req = MC_state_get_executed_request(state, &value);
490 /* because we got a copy of the executed request, we have to fetch the
491 real one, pointed by the request field of the issuer process */
493 const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
494 req = &issuer->simcall;
496 /* Debug information */
497 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
498 req_str = MC_request_to_string(req, value);
499 XBT_DEBUG("Replay: %s (%p)", req_str, state);
503 /* TODO : handle test and testany simcalls */
504 e_mc_call_type_t call = MC_CALL_TYPE_NONE;
505 if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
506 call = mc_get_call_type(req);
508 MC_simcall_handle(req, value);
511 if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
512 handle_comm_pattern(call, req, value, NULL, 1);
515 MC_wait_for_requests();
520 /* Update statistics */
521 mc_stats->visited_states++;
522 mc_stats->executed_transitions++;
526 XBT_DEBUG("**** End Replay ****");
527 mmalloc_set_current_heap(heap);
530 void MC_replay_liveness(xbt_fifo_t stack)
533 initial_global_state->raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
535 xbt_fifo_item_t item;
536 mc_pair_t pair = NULL;
537 mc_state_t state = NULL;
538 smx_simcall_t req = NULL, saved_req = NULL;
539 int value, depth = 1;
542 XBT_DEBUG("**** Begin Replay ****");
544 /* Intermediate backtracking */
545 if(_sg_mc_checkpoint > 0) {
546 item = xbt_fifo_get_first_item(stack);
547 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
548 if(pair->graph_state->system_state){
549 MC_restore_snapshot(pair->graph_state->system_state);
555 /* Restore the initial state */
556 MC_restore_snapshot(initial_global_state->snapshot);
558 /* At the moment of taking the snapshot the raw heap was set, so restoring
559 * it will set it back again, we have to unset it to continue */
560 if (!initial_global_state->raw_mem_set)
563 /* Traverse the stack from the initial state and re-execute the transitions */
564 for (item = xbt_fifo_get_last_item(stack);
565 item != xbt_fifo_get_first_item(stack);
566 item = xbt_fifo_get_prev_item(item)) {
568 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
570 state = (mc_state_t) pair->graph_state;
572 if (pair->exploration_started) {
574 saved_req = MC_state_get_executed_request(state, &value);
576 if (saved_req != NULL) {
577 /* because we got a copy of the executed request, we have to fetch the
578 real one, pointed by the request field of the issuer process */
579 const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
580 req = &issuer->simcall;
582 /* Debug information */
583 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
584 req_str = MC_request_to_string(req, value);
585 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
591 MC_simcall_handle(req, value);
592 MC_wait_for_requests();
595 /* Update statistics */
596 mc_stats->visited_pairs++;
597 mc_stats->executed_transitions++;
603 XBT_DEBUG("**** End Replay ****");
605 if (initial_global_state->raw_mem_set)
613 * \brief Dumps the contents of a model-checker's stack and shows the actual
615 * \param stack The stack to dump
617 void MC_dump_stack_safety(xbt_fifo_t stack)
619 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
621 MC_show_stack_safety(stack);
626 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
627 MC_state_delete(state, !state->in_visited_states ? 1 : 0);
628 mmalloc_set_current_heap(heap);
632 void MC_show_stack_safety(xbt_fifo_t stack)
634 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
638 xbt_fifo_item_t item;
640 char *req_str = NULL;
642 for (item = xbt_fifo_get_last_item(stack);
643 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
644 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
645 req = MC_state_get_executed_request(state, &value);
647 req_str = MC_request_to_string(req, value);
648 XBT_INFO("%s", req_str);
653 mmalloc_set_current_heap(heap);
656 void MC_show_deadlock(smx_simcall_t req)
658 /*char *req_str = NULL; */
659 XBT_INFO("**************************");
660 XBT_INFO("*** DEAD-LOCK DETECTED ***");
661 XBT_INFO("**************************");
662 XBT_INFO("Locked request:");
663 /*req_str = MC_request_to_string(req);
664 XBT_INFO("%s", req_str);
665 xbt_free(req_str); */
666 XBT_INFO("Counter-example execution trace:");
667 MC_dump_stack_safety(mc_stack);
668 MC_print_statistics(mc_stats);
671 void MC_show_non_termination(void){
672 XBT_INFO("******************************************");
673 XBT_INFO("*** NON-PROGRESSIVE CYCLE DETECTED ***");
674 XBT_INFO("******************************************");
675 XBT_INFO("Counter-example execution trace:");
676 MC_dump_stack_safety(mc_stack);
677 MC_print_statistics(mc_stats);
681 void MC_show_stack_liveness(xbt_fifo_t stack)
685 xbt_fifo_item_t item;
687 char *req_str = NULL;
689 for (item = xbt_fifo_get_last_item(stack);
690 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item))) : (NULL));
691 item = xbt_fifo_get_prev_item(item)) {
692 req = MC_state_get_executed_request(pair->graph_state, &value);
693 if (req && req->call != SIMCALL_NONE) {
694 req_str = MC_request_to_string(req, value);
695 XBT_INFO("%s", req_str);
702 void MC_dump_stack_liveness(xbt_fifo_t stack)
704 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
706 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
707 MC_pair_delete(pair);
708 mmalloc_set_current_heap(heap);
711 void MC_print_statistics(mc_stats_t stats)
713 if(_sg_mc_comms_determinism) {
714 if (!initial_global_state->recv_deterministic && initial_global_state->send_deterministic){
715 XBT_INFO("******************************************************");
716 XBT_INFO("**** Only-send-deterministic communication pattern ****");
717 XBT_INFO("******************************************************");
718 XBT_INFO("%s", initial_global_state->recv_diff);
719 }else if(!initial_global_state->send_deterministic && initial_global_state->recv_deterministic) {
720 XBT_INFO("******************************************************");
721 XBT_INFO("**** Only-recv-deterministic communication pattern ****");
722 XBT_INFO("******************************************************");
723 XBT_INFO("%s", initial_global_state->send_diff);
727 if (stats->expanded_pairs == 0) {
728 XBT_INFO("Expanded states = %lu", stats->expanded_states);
729 XBT_INFO("Visited states = %lu", stats->visited_states);
731 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
732 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
734 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
735 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
736 if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) {
737 fprintf(dot_output, "}\n");
740 if (initial_global_state != NULL && (_sg_mc_comms_determinism || _sg_mc_send_determinism)) {
741 XBT_INFO("Send-deterministic : %s", !initial_global_state->send_deterministic ? "No" : "Yes");
742 if (_sg_mc_comms_determinism)
743 XBT_INFO("Recv-deterministic : %s", !initial_global_state->recv_deterministic ? "No" : "Yes");
745 mmalloc_set_current_heap(heap);
748 void MC_automaton_load(const char *file)
750 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
752 if (_mc_property_automaton == NULL)
753 _mc_property_automaton = xbt_automaton_new();
755 xbt_automaton_load(_mc_property_automaton, file);
756 mmalloc_set_current_heap(heap);
759 static void register_symbol(xbt_automaton_propositional_symbol_t symbol)
761 if (mc_mode != MC_MODE_CLIENT)
763 s_mc_register_symbol_message_t message;
764 message.type = MC_MESSAGE_REGISTER_SYMBOL;
765 const char* name = xbt_automaton_propositional_symbol_get_name(symbol);
766 if (strlen(name) + 1 > sizeof(message.name))
767 xbt_die("Symbol is too long");
768 strncpy(message.name, name, sizeof(message.name));
769 message.callback = xbt_automaton_propositional_symbol_get_callback(symbol);
770 message.data = xbt_automaton_propositional_symbol_get_data(symbol);
771 MC_client_send_message(&message, sizeof(message));
774 void MC_automaton_new_propositional_symbol(const char *id, int(*fct)(void))
776 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
778 if (_mc_property_automaton == NULL)
779 _mc_property_automaton = xbt_automaton_new();
781 xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct);
782 register_symbol(symbol);
783 mmalloc_set_current_heap(heap);
786 void MC_automaton_new_propositional_symbol_pointer(const char *id, int* value)
788 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
789 if (_mc_property_automaton == NULL)
790 _mc_property_automaton = xbt_automaton_new();
791 xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_pointer(_mc_property_automaton, id, value);
792 register_symbol(symbol);
793 mmalloc_set_current_heap(heap);
796 void MC_automaton_new_propositional_symbol_callback(const char* id,
797 xbt_automaton_propositional_symbol_callback_type callback,
798 void* data, xbt_automaton_propositional_symbol_free_function_type free_function)
800 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
801 if (_mc_property_automaton == NULL)
802 _mc_property_automaton = xbt_automaton_new();
803 xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_callback(
804 _mc_property_automaton, id, callback, data, free_function);
805 register_symbol(symbol);
806 mmalloc_set_current_heap(heap);
809 void MC_dump_stacks(FILE* file)
811 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
814 stack_region_t current_stack;
816 xbt_dynar_foreach(stacks_areas, cursor, current_stack) {
817 unw_context_t * context = (unw_context_t *)current_stack->context;
818 fprintf(file, "Stack %i:\n", nstack);
823 unw_init_local (&c, context);
826 const char * name = !unw_get_proc_name(&c, buffer, 100, &off) ? buffer : "?";
827 fprintf(file, " %i: %s\n", nframe, name);
829 } while(unw_step(&c));
833 mmalloc_set_current_heap(heap);
837 double MC_process_clock_get(smx_process_t process)
841 return mc_time[process->pid];
849 void MC_process_clock_add(smx_process_t process, double amount)
851 mc_time[process->pid] += amount;