X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6c12a132ca10eefd1d566e489e837e459db4d979..ea9cce21b6d3f37823143217f1ca183bb2f0c9ac:/src/mc/mc_state.c diff --git a/src/mc/mc_state.c b/src/mc/mc_state.c deleted file mode 100644 index 8e707b2f9d..0000000000 --- a/src/mc/mc_state.c +++ /dev/null @@ -1,279 +0,0 @@ -/* Copyright (c) 2008-2014. The SimGrid Team. - * All rights reserved. */ - -/* 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 - -#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" - -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_state, mc, - "Logging specific to MC (state)"); - -/** - * \brief Creates a state data structure used by the exploration algorithm - */ -mc_state_t MC_state_new() -{ - 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, 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; -} - -void MC_state_remove_interleave_process(mc_state_t state, smx_process_t process) -{ - if (state->proc_status[process->pid].state == MC_INTERLEAVE) - state->proc_status[process->pid].state = MC_DONE; -} - -unsigned int MC_state_interleave_size(mc_state_t state) -{ - unsigned int i, size = 0; - - for (i = 0; i < state->max_pid; i++) { - if ((state->proc_status[i].state == MC_INTERLEAVE) - || (state->proc_status[i].state == MC_MORE_INTERLEAVE)) - size++; - } - - return size; -} - -int MC_state_process_is_done(mc_state_t state, smx_process_t process) -{ - return state->proc_status[process->pid].state == MC_DONE ? TRUE : FALSE; -} - -void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, - int value) -{ - state->executed_req = *req; - state->req_num = value; - - smx_process_t process = NULL; - - /* The waitany and testany request are transformed into a wait or test request over the - * corresponding communication action so it can be treated later by the dependence - * function. */ - switch (req->call) { - case SIMCALL_COMM_WAITANY: - state->internal_req.call = SIMCALL_COMM_WAIT; - state->internal_req.issuer = req->issuer; - MC_process_read_dynar_element(&mc_model_checker->process, - &state->internal_comm, simcall_comm_waitany__get__comms(req), - value, 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; - - case SIMCALL_COMM_TESTANY: - state->internal_req.call = SIMCALL_COMM_TEST; - state->internal_req.issuer = req->issuer; - - if (value > 0) - MC_process_read_dynar_element(&mc_model_checker->process, - &state->internal_comm, simcall_comm_testany__get__comms(req), - value, sizeof(state->internal_comm)); - - simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm); - simcall_comm_test__set__result(&state->internal_req, value); - break; - - case SIMCALL_COMM_WAIT: - state->internal_req = *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; - 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; - int random_max = simcall_mc_random__get__max(req); - if (value != random_max) { - MC_EACH_SIMIX_PROCESS(process, - mc_procstate_t procstate = &state->proc_status[process->pid]; - const smx_process_t issuer = MC_smx_simcall_get_issuer(req); - if (process->pid == issuer->pid) { - procstate->state = MC_MORE_INTERLEAVE; - break; - } - ); - } - break; - - default: - state->internal_req = *req; - break; - } -} - -smx_simcall_t MC_state_get_executed_request(mc_state_t state, int *value) -{ - *value = state->req_num; - return &state->executed_req; -} - -smx_simcall_t MC_state_get_internal_request(mc_state_t state) -{ - return &state->internal_req; -} - -static inline smx_simcall_t MC_state_get_request_for_process( - mc_state_t state, int*value, smx_process_t process) -{ - mc_procstate_t procstate = &state->proc_status[process->pid]; - - if (procstate->state != MC_INTERLEAVE - && procstate->state != MC_MORE_INTERLEAVE) - return NULL; - if (!MC_process_is_enabled(process)) - return NULL; - - switch (process->simcall.call) { - - case SIMCALL_COMM_WAITANY: - *value = -1; - while (procstate->interleave_count < - 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; - break; - } - } - - if (procstate->interleave_count >= - MC_process_read_dynar_length(&mc_model_checker->process, - simcall_comm_waitany__get__comms(&process->simcall))) - procstate->state = MC_DONE; - - if (*value != -1) - return &process->simcall; - - break; - - case SIMCALL_COMM_TESTANY: { - unsigned start_count = procstate->interleave_count; - *value = -1; - while (procstate->interleave_count < - 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; - break; - } - } - - if (procstate->interleave_count >= - 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) - return &process->simcall; - - break; - } - - case SIMCALL_COMM_WAIT: { - smx_synchro_t remote_act = simcall_comm_wait__get__comm(&process->simcall); - s_smx_synchro_t act; - MC_process_read_simple(&mc_model_checker->process, - &act, remote_act, sizeof(act)); - if (act.comm.src_proc && act.comm.dst_proc) { - *value = 0; - } else { - if (act.comm.src_proc == NULL && act.comm.type == SIMIX_COMM_READY - && act.comm.detached == 1) - *value = 0; - else - *value = -1; - } - procstate->state = MC_DONE; - return &process->simcall; - } - - case SIMCALL_MC_RANDOM: - if (procstate->state == MC_INTERLEAVE) - *value = simcall_mc_random__get__min(&process->simcall); - else { - if (state->req_num < simcall_mc_random__get__max(&process->simcall)) - *value = state->req_num + 1; - } - procstate->state = MC_DONE; - return &process->simcall; - - default: - procstate->state = MC_DONE; - *value = 0; - return &process->simcall; - } - return NULL; -} - -smx_simcall_t MC_state_get_request(mc_state_t state, int *value) -{ - smx_process_t process = NULL; - MC_EACH_SIMIX_PROCESS(process, - smx_simcall_t res = MC_state_get_request_for_process(state, value, process); - if (res) - return res; - ); - - return NULL; -}