xbt_cfg_t _sg_cfg_set = NULL;
-int _sg_init_status = 0; /* 0: beginning of time (config cannot be changed yet);
- 1: initialized: cfg_set created (config can now be changed);
- 2: configured: command line parsed and config part of platform file was integrated also, platform construction ongoing or done.
- (Config cannot be changed anymore!) */
+/* 0: beginning of time (config cannot be changed yet);
+ * 1: initialized: cfg_set created (config can now be changed);
+ * 2: configured: command line parsed and config part of platform file was
+ * integrated also, platform construction ongoing or done.
+ * (Config cannot be changed anymore!)
+ */
+int _sg_cfg_init_status = 0;
+
+/* instruct the upper layer (simix or simdag) to exit as soon as possible
+ */
+int _sg_cfg_exit_asap = 0;
+
+#define sg_cfg_exit_early() do { _sg_cfg_exit_asap = 1; return; } while (0)
/* Parse the command line, looking for options */
static void sg_config_cmd_line(int *argc, char **argv)
xbt_cfg_set_parse(_sg_cfg_set, opt);
XBT_DEBUG("Did apply '%s' as config setting", opt);
+ } else if (!strcmp(argv[i], "--version")) {
+ printf("%s\n", SIMGRID_VERSION_STRING);
+ shall_exit = 1;
} else if (!strcmp(argv[i], "--cfg-help") || !strcmp(argv[i], "--help")) {
printf
("Description of the configuration accepted by this simulator:\n");
#endif
"\n"
"You can also use --help-logs and --help-log-categories to see the details of logging output.\n"
+"\n"
+"You can also use --version to get SimGrid version information.\n"
"\n"
);
shall_exit = 1;
argv[j] = NULL;
*argc = j;
}
- if (shall_exit) {
- _sg_init_status = 1; // get everything cleanly cleaned on exit
- exit(0);
- }
+ if (shall_exit)
+ sg_cfg_exit_early();
}
/* callback of the workstation/model variable */
{
char *val;
- xbt_assert(_sg_init_status < 2,
+ xbt_assert(_sg_cfg_init_status < 2,
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcmp(val, "help")) {
model_help("workstation", surf_workstation_model_description);
- exit(0);
+ sg_cfg_exit_early();
}
/* Make sure that the model exists */
{
char *val;
- xbt_assert(_sg_init_status < 2,
+ xbt_assert(_sg_cfg_init_status < 2,
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcmp(val, "help")) {
model_help("CPU", surf_cpu_model_description);
- exit(0);
+ sg_cfg_exit_early();
}
/* New Module missing */
{
char *val;
- xbt_assert(_sg_init_status < 2,
+ xbt_assert(_sg_cfg_init_status < 2,
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcmp(val, "help")) {
model_help("optimization", surf_optimization_mode_description);
- exit(0);
+ sg_cfg_exit_early();
}
/* New Module missing */
{
char *val;
- xbt_assert(_sg_init_status < 2,
+ xbt_assert(_sg_cfg_init_status < 2,
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcmp(val, "help")) {
model_help("storage", surf_storage_model_description);
- exit(0);
+ sg_cfg_exit_early();
}
/* New Module missing */
{
char *val;
- xbt_assert(_sg_init_status < 2,
+ xbt_assert(_sg_cfg_init_status < 2,
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcmp(val, "help")) {
model_help("network", surf_network_model_description);
- exit(0);
+ sg_cfg_exit_early();
}
/* New Module missing */
{
char *val;
- xbt_assert(_sg_init_status < 2,
+ xbt_assert(_sg_cfg_init_status < 2,
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcmp(val, "help")) {
coll_help(category, table);
- exit(0);
+ sg_cfg_exit_early();
}
/* New Module missing */
/* create the config set, register what should be and parse the command line*/
void sg_config_init(int *argc, char **argv)
{
- char *description = xbt_malloc(1024), *p = description;
+ char *description = xbt_malloc(1024);
+ char *p;
int i;
/* Create the configuration support */
- if (_sg_init_status == 0) { /* Only create stuff if not already inited */
+ if (_sg_cfg_init_status == 0) { /* Only create stuff if not already inited */
sprintf(description,
"The model to use for the CPU. Possible values: ");
p = description;
xbt_cfgelm_string, 1, 1, &_sg_cfg_cb__workstation_model, NULL);
xbt_cfg_setdefault_string(_sg_cfg_set, "workstation/model", "default");
- xbt_free(description);
-
xbt_cfg_register(&_sg_cfg_set, "network/TCP_gamma",
"Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)",
xbt_cfgelm_double, 1, 1, _sg_cfg_cb__tcp_gamma, NULL);
/* do stateful model-checking */
xbt_cfg_register(&_sg_cfg_set, "model-check/checkpoint",
"Specify the amount of steps between checkpoints during stateful model-checking (default: 0 => stateless verification). "
- "If value=on, one checkpoint is saved for each step => faster verification, but huge memory consumption; higher values are good compromises between speed and memory consumption.",
+ "If value=1, one checkpoint is saved for each step => faster verification, but huge memory consumption; higher values are good compromises between speed and memory consumption.",
xbt_cfgelm_int, 0, 1, _mc_cfg_cb_checkpoint, NULL);
xbt_cfg_setdefault_int(_sg_cfg_set, "model-check/checkpoint", 0);
-
+
/* do liveness model-checking */
xbt_cfg_register(&_sg_cfg_set, "model-check/property",
"Specify the name of the file containing the property. It must be the result of the ltl2ba program.",
xbt_cfgelm_string, 0, 1, _mc_cfg_cb_property, NULL);
xbt_cfg_setdefault_string(_sg_cfg_set, "model-check/property", "");
+ /* do determinism model-checking */
+ xbt_cfg_register(&_sg_cfg_set, "model-check/communications_determinism",
+ "Enable/disable the detection of determinism in the communications schemes",
+ xbt_cfgelm_boolean, 0, 1, _mc_cfg_cb_comms_determinism, NULL);
+ xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check/communications_determinism", "no");
+
/* Specify the kind of model-checking reduction */
xbt_cfg_register(&_sg_cfg_set, "model-check/reduction",
"Specify the kind of exploration reduction (either none or DPOR)",
xbt_cfg_setdefault_boolean(_sg_cfg_set, "verbose-exit", "yes");
/* context factory */
- xbt_cfg_register(&_sg_cfg_set, "contexts/factory",
- "Context factory to use in SIMIX (ucontext, thread or raw)",
+ sprintf(description,
+ "Context factory to use in SIMIX. Possible values: thread");
+ const char *dflt_ctx_fact = "thread";
+#ifdef CONTEXT_UCONTEXT
+ dflt_ctx_fact = "ucontext";
+ strcat(strcat(description, ", "), dflt_ctx_fact);
+#endif
+#ifdef HAVE_RAWCTX
+ dflt_ctx_fact = "raw";
+ strcat(strcat(description, ", "), dflt_ctx_fact);
+#endif
+ strcat(description, ".");
+ xbt_cfg_register(&_sg_cfg_set, "contexts/factory", description,
xbt_cfgelm_string, 1, 1, _sg_cfg_cb_context_factory, NULL);
- xbt_cfg_setdefault_string(_sg_cfg_set, "contexts/factory", "ucontext");
+ xbt_cfg_setdefault_string(_sg_cfg_set, "contexts/factory", dflt_ctx_fact);
/* stack size of contexts in Ko */
xbt_cfg_register(&_sg_cfg_set, "contexts/stack_size",
- "Stack size of contexts in Kib (ucontext or raw only)",
+ "Stack size of contexts in Kib",
xbt_cfgelm_int, 1, 1, _sg_cfg_cb_context_stack_size, NULL);
xbt_cfg_setdefault_int(_sg_cfg_set, "contexts/stack_size", 128);
+ /* No, it was not set yet (the above setdefault() changed this to 1). */
+ smx_context_stack_size_was_set = 0;
/* number of parallel threads for user processes */
xbt_cfg_register(&_sg_cfg_set, "contexts/nthreads",
xbt_cfg_setdefault_boolean(_sg_cfg_set, "smpi/use_shared_malloc", "yes");
xbt_cfg_register(&_sg_cfg_set, "smpi/cpu_threshold",
- "Minimal computation time (in seconds) not discarded.",
+ "Minimal computation time (in seconds) not discarded, or -1 for infinity.",
xbt_cfgelm_double, 1, 1, NULL, NULL);
xbt_cfg_setdefault_double(_sg_cfg_set, "smpi/cpu_threshold", 1e-6);
xbt_cfg_setdefault_string(_sg_cfg_set, "path", initial_path);
}
- _sg_init_status = 1;
+ _sg_cfg_init_status = 1;
sg_config_cmd_line(argc, argv);
} else {
XBT_WARN("Call to sg_config_init() after initialization ignored");
}
+
+ xbt_free(description);
}
void sg_config_finalize(void)
{
- if (!_sg_init_status)
+ if (!_sg_cfg_init_status)
return; /* Not initialized yet. Nothing to do */
xbt_cfg_free(&_sg_cfg_set);
- _sg_init_status = 0;
+ _sg_cfg_init_status = 0;
}
/* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
