-/* Copyright (c) 2015. The SimGrid Team.
+ /* Copyright (c) 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 <exception>
+
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <sys/socket.h>
#include <sys/wait.h>
+#ifdef __linux__
+#include <sys/prctl.h>
+#endif
+
#include <xbt/log.h>
#include "simgrid/sg_config.h"
#include "mc_private.h"
#include "mc_protocol.h"
#include "mc_server.h"
-#include "mc_model_checker.h"
+#include "mc_safety.h"
+#include "mc_comm_pattern.h"
+#include "mc_liveness.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_main, mc, "Entry point for simgrid-mc");
-static const bool trace = true;
-
static int do_child(int socket, char** argv)
{
XBT_DEBUG("Inside the child process PID=%i", (int) getpid());
+
+#ifdef __linux__
+ // Make sure we do not outlive our parent:
+ if (prctl(PR_SET_PDEATHSIG, SIGHUP) != 0) {
+ std::perror("simgrid-mc");
+ return MC_SERVER_ERROR;
+ }
+#endif
+
int res;
// Remove CLOEXEC in order to pass the socket to the exec-ed program:
static int do_parent(int socket, pid_t child)
{
XBT_DEBUG("Inside the parent process");
- if (MC_server_init(child, socket))
- return MC_SERVER_ERROR;
- XBT_DEBUG("Server initialized");
- MC_server_run();
- return 0;
+ if (mc_server)
+ xbt_die("MC server already present");
+ try {
+ mc_mode = MC_MODE_SERVER;
+ mc_server = new s_mc_server(child, socket);
+ mc_server->start();
+ MC_init_model_checker(child, socket);
+ if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
+ MC_modelcheck_comm_determinism();
+ else if (!_sg_mc_property_file || _sg_mc_property_file[0] == '\0')
+ MC_modelcheck_safety();
+ else
+ MC_modelcheck_liveness();
+ mc_server->shutdown();
+ mc_server->exit();
+ }
+ catch(std::exception& e) {
+ XBT_ERROR("Exception: %s", e.what());
+ }
+ exit(MC_SERVER_ERROR);
}
static char** argvdup(int argc, char** argv)
if (argc < 2)
xbt_die("Missing arguments.\n");
- bool server_mode = false;
+ bool server_mode = true;
char* env = std::getenv("SIMGRID_MC_MODE");
if (env) {
if (std::strcmp(env, "server") == 0)
else if (std::strcmp(env, "standalone") == 0)
server_mode = false;
else
- XBT_WARN("Unrecognised value for SIMGRID_MC_MODE (server/standalone)");
+ xbt_die("Unrecognised value for SIMGRID_MC_MODE (server/standalone)");
}
if (!server_mode) {