ktap_eventdef_info *ktapc_parse_events(const char *eventdef)
{
char *str = strdup(eventdef);
char *sys, *event, *filter, *next;
ktap_eventdef_info *evdef_info;
int ret;
idmap_init();
parse_next_eventdef:
next = get_next_eventdef(str);
if (get_sys_event_filter_str(str, &sys, &event, &filter))
goto error;
verbose_printf("parse_eventdef: sys[%s], event[%s], filter[%s]\n",
sys, event, filter);
if (!strcmp(sys, "probe"))
ret = parse_events_add_probe(event);
else if (!strcmp(sys, "sdt"))
ret = parse_events_add_sdt(event);
else
ret = parse_events_add_tracepoint(sys, event);
if (ret)
goto error;
/* don't trace ftrace:function when all tracepoints enabled */
if (!strcmp(sys, "*"))
idmap_clear(1);
if (filter && *next != '\0') {
fprintf(stderr, "Error: eventdef only can append one filter\n");
goto error;
}
str = next;
if (*next != '\0')
goto parse_next_eventdef;
evdef_info = malloc(sizeof(*evdef_info));
if (!evdef_info)
goto error;
evdef_info->nr = id_nr;
evdef_info->id_arr = get_id_array();
evdef_info->filter = filter;
idmap_free();
return evdef_info;
error:
idmap_free();
cleanup_event_resources();
return NULL;
}
void *admin_thread(void *UnusedArg)
{
SetNameFunction("admin_thr");
while(1)
{
P(mutex_admin_condvar);
while(reload_exports == FALSE)
pthread_cond_wait(&(admin_condvar), &(mutex_admin_condvar));
reload_exports = FALSE;
V(mutex_admin_condvar);
if (rebuild_export_list() <= 0)
{
LogCrit(COMPONENT_MAIN, "Could not reload the exports list.");
continue;
}
if(pause_threads(PAUSE_RELOAD_EXPORTS) == PAUSE_EXIT)
{
LogDebug(COMPONENT_MAIN,
"Export reload interrupted by shutdown while pausing threads");
/* Be helpfull and exit
* (other termination will just blow us away, and that's ok...
*/
break;
}
/* Clear the id mapping cache for gss principals to uid/gid.
* The id mapping may have changed.
*/
#ifdef _HAVE_GSSAPI
#ifdef _USE_NFSIDMAP
uidgidmap_clear();
idmap_clear();
namemap_clear();
#endif /* _USE_NFSIDMAP */
#endif /* _HAVE_GSSAPI */
if (ChangeoverExports())
{
LogCrit(COMPONENT_MAIN, "ChangeoverExports failed.");
continue;
}
LogEvent(COMPONENT_MAIN,
"Exports reloaded and active");
/* wake_workers could return PAUSE_PAUSE, but we don't have to do
* anything special in that case.
*/
if(wake_threads(AWAKEN_RELOAD_EXPORTS) == PAUSE_EXIT)
{
LogDebug(COMPONENT_MAIN,
"Export reload interrupted by shutdown while waking threads");
/* Be helpfull and exit
* (other termination will just blow us away, and that's ok...
*/
break;
}
}
return NULL;
} /* admin_thread */
