-/* Copyright (c) 2008-2014. The SimGrid Team.
+/* Copyright (c) 2008-2015. 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 <assert.h>
-#include <string.h>
-#include <stdint.h>
+#include <cinttypes>
+
+#include <cassert>
+#include <cstddef>
+#include <cstdint>
+#include <cstring>
#include "mc_base.h"
#include "mc_record.h"
#ifdef HAVE_MC
-#include "mc_server.h"
#include <libunwind.h>
#include <xbt/mmalloc.h>
#include "../xbt/mmalloc/mmprivate.h"
#include "mc_comm_pattern.h"
#include "mc_request.h"
#include "mc_safety.h"
-#include "mc_memory_map.h"
#include "mc_snapshot.h"
#include "mc_liveness.h"
#include "mc_private.h"
mc_state_t mc_current_state = NULL;
char mc_replay_mode = FALSE;
-__thread mc_comparison_times_t mc_comp_times = NULL;
-__thread double mc_snapshot_comparison_time;
mc_stats_t mc_stats = NULL;
mc_global_t initial_global_state = NULL;
xbt_fifo_t mc_stack = NULL;
/******************************* Initialisation of MC *******************************/
/*********************************************************************************/
-static void MC_init_dot_output()
+void MC_init_dot_output()
{ /* FIXME : more colors */
colors[0] = "blue";
}
}
-void MC_init_model_checker(pid_t pid, int socket)
-{
- mc_model_checker = new simgrid::mc::ModelChecker(pid, socket);
-
- mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
-
- /* Initialize statistics */
- mc_stats = xbt_new0(s_mc_stats_t, 1);
- mc_stats->state_size = 1;
-
- if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0'))
- MC_init_dot_output();
-
- /* Init parmap */
- //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
-
- /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
- MC_ignore_local_variable("e", "*");
- MC_ignore_local_variable("__ex_cleanup", "*");
- MC_ignore_local_variable("__ex_mctx_en", "*");
- MC_ignore_local_variable("__ex_mctx_me", "*");
- MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
- MC_ignore_local_variable("_log_ev", "*");
- MC_ignore_local_variable("_throw_ctx", "*");
- MC_ignore_local_variable("ctx", "*");
-
- MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
- MC_ignore_local_variable("next_cont"
- "ext", "smx_ctx_sysv_suspend_serial");
- MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
-
- /* Ignore local variable about time used for tracing */
- MC_ignore_local_variable("start_time", "*");
-
- /* Static variable used for tracing */
- MCer_ignore_global_variable("counter");
-
- /* SIMIX */
- MCer_ignore_global_variable("smx_total_comms");
-}
#endif
/******************************* Core of MC *******************************/
{
if (mc_mode == MC_MODE_SERVER) {
int res;
- if ((res = MC_protocol_send_simple_message(mc_model_checker->process().socket,
- MC_MESSAGE_DEADLOCK_CHECK)))
+ if ((res = mc_model_checker->process().send_message(MC_MESSAGE_DEADLOCK_CHECK)))
xbt_die("Could not check deadlock state");
s_mc_int_message_t message;
- ssize_t s = MC_receive_message(mc_model_checker->process().socket, &message, sizeof(message), 0);
+ ssize_t s = mc_model_checker->process().receive_message(message);
if (s == -1)
xbt_die("Could not receive message");
else if (s != sizeof(message) || message.type != MC_MESSAGE_DEADLOCK_CHECK_REPLY) {
if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
MC_handle_comm_pattern(call, req, value, NULL, 1);
- MC_wait_for_requests();
+ mc_model_checker->wait_for_requests();
count++;
}
}
MC_simcall_handle(req, value);
- MC_wait_for_requests();
+ mc_model_checker->wait_for_requests();
}
/* Update statistics */
char *req_str = NULL;
for (item = xbt_fifo_get_last_item(stack);
- (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
- : (NULL)); item = xbt_fifo_get_prev_item(item)) {
+ item; item = xbt_fifo_get_prev_item(item)) {
+ state = (mc_state_t)xbt_fifo_get_item_content(item);
req = MC_state_get_executed_request(state, &value);
if (req) {
req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
char *req_str = NULL;
for (item = xbt_fifo_get_last_item(stack);
- (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item))) : (NULL));
- item = xbt_fifo_get_prev_item(item)) {
+ item; item = xbt_fifo_get_prev_item(item)) {
+ pair = (mc_pair_t) xbt_fifo_get_item_content(item);
req = MC_state_get_executed_request(pair->graph_state, &value);
if (req && req->call != SIMCALL_NONE) {
req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
if (_sg_mc_comms_determinism)
XBT_INFO("Recv-deterministic : %s", !initial_global_state->recv_deterministic ? "No" : "Yes");
}
+ if (getenv("SIMGRID_MC_SYSTEM_STATISTICS")){
+ int ret=system("free");
+ if(ret!=0)XBT_WARN("system call did not return 0, but %d",ret);
+ }
}
void MC_automaton_load(const char *file)
xbt_automaton_load(_mc_property_automaton, file);
}
-static void register_symbol(xbt_automaton_propositional_symbol_t symbol)
-{
- if (mc_mode != MC_MODE_CLIENT)
- return;
- s_mc_register_symbol_message_t message;
- message.type = MC_MESSAGE_REGISTER_SYMBOL;
- const char* name = xbt_automaton_propositional_symbol_get_name(symbol);
- if (strlen(name) + 1 > sizeof(message.name))
- xbt_die("Symbol is too long");
- strncpy(message.name, name, sizeof(message.name));
- message.callback = xbt_automaton_propositional_symbol_get_callback(symbol);
- message.data = xbt_automaton_propositional_symbol_get_data(symbol);
- MC_client_send_message(&message, sizeof(message));
-}
-
-void MC_automaton_new_propositional_symbol(const char *id, int(*fct)(void))
-{
- if (_mc_property_automaton == NULL)
- _mc_property_automaton = xbt_automaton_new();
-
- xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct);
- register_symbol(symbol);
-}
-
-void MC_automaton_new_propositional_symbol_pointer(const char *id, int* value)
-{
- if (_mc_property_automaton == NULL)
- _mc_property_automaton = xbt_automaton_new();
- xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_pointer(_mc_property_automaton, id, value);
- register_symbol(symbol);
-}
-
-void MC_automaton_new_propositional_symbol_callback(const char* id,
- xbt_automaton_propositional_symbol_callback_type callback,
- void* data, xbt_automaton_propositional_symbol_free_function_type free_function)
-{
- if (_mc_property_automaton == NULL)
- _mc_property_automaton = xbt_automaton_new();
- xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_callback(
- _mc_property_automaton, id, callback, data, free_function);
- register_symbol(symbol);
-}
-
// TODO, fix cross-process access (this function is not used)
void MC_dump_stacks(FILE* file)
{
unw_get_reg(&c, UNW_X86_64_RIP, &rip);
unw_get_reg(&c, UNW_X86_64_RSP, &rsp);
fprintf(file, " %i: %s (RIP=0x%" PRIx64 " RSP=0x%" PRIx64 ")\n",
- nframe, name, rip, rsp);
+ nframe, name, (std::uint64_t) rip, (std::uint64_t) rsp);
#else
fprintf(file, " %i: %s\n", nframe, name);
#endif
MC_print_statistics(mc_stats);
}
+void MC_report_crash(int status)
+{
+ XBT_INFO("**************************");
+ XBT_INFO("** CRASH IN THE PROGRAM **");
+ XBT_INFO("**************************");
+ if (WIFSIGNALED(status))
+ XBT_INFO("From signal: %s", strsignal(WTERMSIG(status)));
+ else if (WIFEXITED(status))
+ XBT_INFO("From exit: %i", WEXITSTATUS(status));
+ if (WCOREDUMP(status))
+ XBT_INFO("A core dump was generated by the system.");
+ else
+ XBT_INFO("No core dump was generated by the system.");
+ XBT_INFO("Counter-example execution trace:");
+ MC_record_dump_path(mc_stack);
+ MC_dump_stack_safety(mc_stack);
+ MC_print_statistics(mc_stats);
+}
+
void MC_invalidate_cache(void)
{
if (mc_model_checker)
