/* 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"
+
+static void copy_incomplete_communications_pattern(mc_state_t state) {
+ int i;
+ xbt_dynar_t incomplete_process_comms;
+ mc_comm_pattern_t comm;
+ unsigned int cursor;
+ state->incomplete_comm_pattern = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
+ for (i=0; i < MC_smx_get_maxpid(); i++) {
+ incomplete_process_comms = xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t);
+ xbt_dynar_t incomplete_process_comms_copy = xbt_dynar_new(sizeof(mc_comm_pattern_t), comm_pattern_free_voidp);
+ xbt_dynar_foreach(incomplete_process_comms, cursor, comm) {
+ mc_comm_pattern_t copy_comm = xbt_new0(s_mc_comm_pattern_t, 1);
+ copy_comm->index = comm->index;
+ copy_comm->type = comm->type;
+ copy_comm->comm = comm->comm;
+ copy_comm->rdv = strdup(comm->rdv);
+ copy_comm->data_size = -1;
+ copy_comm->data = NULL;
+ if(comm->type == SIMIX_COMM_SEND){
+ copy_comm->src_proc = comm->src_proc;
+ copy_comm->src_host = comm->src_host;
+ if (comm->data != NULL) {
+ copy_comm->data_size = comm->data_size;
+ copy_comm->data = xbt_malloc0(comm->data_size);
+ memcpy(copy_comm->data, comm->data, comm->data_size);
+ }
+ }else{
+ copy_comm->dst_proc = comm->dst_proc;
+ copy_comm->dst_host = comm->dst_host;
+ }
+ xbt_dynar_push(incomplete_process_comms_copy, ©_comm);
+ }
+ xbt_dynar_insert_at(state->incomplete_comm_pattern, i, &incomplete_process_comms_copy);
+ }
+}
+
+static void copy_index_communications_pattern(mc_state_t state) {
+
+ state->index_comm = xbt_dynar_new(sizeof(unsigned int), NULL);
+ mc_list_comm_pattern_t list_process_comm;
+ unsigned int cursor;
+ xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm){
+ xbt_dynar_push_as(state->index_comm, unsigned int, list_process_comm->index_comm);
+ }
+}
/**
* \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){
+ copy_incomplete_communications_pattern(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;
+ // FIXME, read from remote process
state->internal_comm =
*xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value,
- smx_action_t);
+ smx_synchro_t);
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)
+ // FIXME, read from remote process
state->internal_comm =
*xbt_dynar_get_as(simcall_comm_testany__get__comms(req), value,
- smx_action_t);
+ smx_synchro_t);
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;
+ // FIXME, read from remote process
state->internal_comm = *(simcall_comm_wait__get__comm(req));
simcall_comm_wait__set__comm(&state->executed_req, &state->internal_comm);
simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
case SIMCALL_COMM_TEST:
state->internal_req = *req;
+ // FIXME, read from remote process
state->internal_comm = *simcall_comm_test__get__comm(req);
simcall_comm_test__set__comm(&state->executed_req, &state->internal_comm);
simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
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;
smx_process_t process = NULL;
mc_procstate_t procstate = NULL;
unsigned int start_count;
- smx_action_t act = NULL;
+ 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 <
*value = 0;
return &process->simcall;
break;
- }
- }
+
}
- }
+ );
return NULL;
}