/* 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 <assert.h>
+
#include "../simix/smx_private.h"
#include "xbt/fifo.h"
#include "mc_state.h"
#include "mc_request.h"
#include "mc_private.h"
+#include "mc_comm_pattern.h"
+#include "mc_smx.h"
/**
* \brief Creates a state data structure used by the exploration algorithm
*/
mc_state_t MC_state_new()
{
- mc_state_t state = NULL;
-
- state = xbt_new0(s_mc_state_t, 1);
- state->max_pid = simix_process_maxpid;
+ mc_state_t state = xbt_new0(s_mc_state_t, 1);
+ state->max_pid = MC_smx_get_maxpid();
state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
state->system_state = NULL;
state->num = ++mc_stats->expanded_states;
-
+ state->in_visited_states = 0;
+ state->incomplete_comm_pattern = NULL;
+ /* Stateful model checking */
+ if((_sg_mc_checkpoint > 0 && (mc_stats->expanded_states % _sg_mc_checkpoint == 0)) || _sg_mc_termination){
+ state->system_state = MC_take_snapshot(state->num);
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ MC_state_copy_incomplete_communications_pattern(state);
+ MC_state_copy_index_communications_pattern(state);
+ }
+ }
return state;
}
* \brief Deletes a state data structure
* \param trans The state to be deleted
*/
-void MC_state_delete(mc_state_t state)
-{
- if (state->system_state)
+void MC_state_delete(mc_state_t state, int free_snapshot){
+ if (state->system_state && free_snapshot){
MC_free_snapshot(state->system_state);
+ }
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ xbt_free(state->index_comm);
+ xbt_free(state->incomplete_comm_pattern);
+ }
xbt_free(state->proc_status);
xbt_free(state);
}
void MC_state_interleave_process(mc_state_t state, smx_process_t process)
{
+ assert(state);
state->proc_status[process->pid].state = MC_INTERLEAVE;
state->proc_status[process->pid].interleave_count = 0;
}
case SIMCALL_COMM_WAITANY:
state->internal_req.call = SIMCALL_COMM_WAIT;
state->internal_req.issuer = req->issuer;
- state->internal_comm =
- *xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value,
- smx_synchro_t);
+ MC_process_read_dynar_element(&mc_model_checker->process,
+ &state->internal_comm, simcall_comm_waitany__get__comms(req),
+ sizeof(state->internal_comm));
simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
simcall_comm_wait__set__timeout(&state->internal_req, 0);
break;
state->internal_req.issuer = req->issuer;
if (value > 0)
- state->internal_comm =
- *xbt_dynar_get_as(simcall_comm_testany__get__comms(req), value,
- smx_synchro_t);
+ // FIXME, read from remote process
+ MC_process_read_dynar_element(&mc_model_checker->process,
+ &state->internal_comm, simcall_comm_testany__get__comms(req),
+ sizeof(state->internal_comm));
simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
simcall_comm_test__set__result(&state->internal_req, value);
case SIMCALL_COMM_WAIT:
state->internal_req = *req;
- state->internal_comm = *(simcall_comm_wait__get__comm(req));
+ MC_process_read_simple(&mc_model_checker->process, &state->internal_comm ,
+ simcall_comm_wait__get__comm(req), sizeof(state->internal_comm));
simcall_comm_wait__set__comm(&state->executed_req, &state->internal_comm);
simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
break;
case SIMCALL_COMM_TEST:
state->internal_req = *req;
- state->internal_comm = *simcall_comm_test__get__comm(req);
+ MC_process_read_simple(&mc_model_checker->process, &state->internal_comm,
+ simcall_comm_test__get__comm(req), sizeof(state->internal_comm));
simcall_comm_test__set__comm(&state->executed_req, &state->internal_comm);
simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
break;
case SIMCALL_MC_RANDOM:
state->internal_req = *req;
- if (value != simcall_mc_random__get__max(req)) {
- xbt_swag_foreach(process, simix_global->process_list) {
+ int random_max = simcall_mc_random__get__max(req);
+ if (value != random_max) {
+ MC_EACH_SIMIX_PROCESS(process,
procstate = &state->proc_status[process->pid];
- if (process->pid == req->issuer->pid) {
+ const smx_process_t issuer = MC_smx_simcall_get_issuer(req);
+ if (process->pid == issuer->pid) {
procstate->state = MC_MORE_INTERLEAVE;
break;
}
- }
+ );
}
break;
unsigned int start_count;
smx_synchro_t act = NULL;
- xbt_swag_foreach(process, simix_global->process_list) {
+ MC_EACH_SIMIX_PROCESS(process,
procstate = &state->proc_status[process->pid];
- if (procstate->state == MC_INTERLEAVE
- || procstate->state == MC_MORE_INTERLEAVE) {
- if (MC_process_is_enabled(process)) {
- switch (process->simcall.call) {
+ if (procstate->state != MC_INTERLEAVE
+ && procstate->state != MC_MORE_INTERLEAVE)
+ continue;
+ if (!MC_process_is_enabled(process))
+ continue;
+
+ switch (process->simcall.call) {
case SIMCALL_COMM_WAITANY:
*value = -1;
while (procstate->interleave_count <
- xbt_dynar_length(simcall_comm_waitany__get__comms
- (&process->simcall))) {
+ MC_process_read_dynar_length(&mc_model_checker->process,
+ simcall_comm_waitany__get__comms(&process->simcall))) {
if (MC_request_is_enabled_by_idx
(&process->simcall, procstate->interleave_count++)) {
*value = procstate->interleave_count - 1;
}
if (procstate->interleave_count >=
- xbt_dynar_length(simcall_comm_waitany__get__comms
- (&process->simcall)))
+ MC_process_read_dynar_length(&mc_model_checker->process,
+ simcall_comm_waitany__get__comms(&process->simcall)))
procstate->state = MC_DONE;
if (*value != -1)
start_count = procstate->interleave_count;
*value = -1;
while (procstate->interleave_count <
- xbt_dynar_length(simcall_comm_testany__get__comms
- (&process->simcall))) {
+ MC_process_read_dynar_length(&mc_model_checker->process,
+ simcall_comm_testany__get__comms(&process->simcall))) {
if (MC_request_is_enabled_by_idx
(&process->simcall, procstate->interleave_count++)) {
*value = procstate->interleave_count - 1;
}
if (procstate->interleave_count >=
- xbt_dynar_length(simcall_comm_testany__get__comms
- (&process->simcall)))
+ MC_process_read_dynar_length(&mc_model_checker->process,
+ simcall_comm_testany__get__comms(&process->simcall)))
procstate->state = MC_DONE;
if (*value != -1 || start_count == 0)
case SIMCALL_COMM_WAIT:
act = simcall_comm_wait__get__comm(&process->simcall);
+
if (act->comm.src_proc && act->comm.dst_proc) {
*value = 0;
} else {
*value = 0;
return &process->simcall;
break;
- }
- }
+
}
- }
+ );
return NULL;
}
