static void fault_event(ipc_callid_t callid, ipc_call_t *call)
{
const char *fname;
char *s_taskid;
int rc;
task_id_t taskid;
uintptr_t thread;
taskid = MERGE_LOUP32(IPC_GET_ARG1(*call), IPC_GET_ARG2(*call));
thread = IPC_GET_ARG3(*call);
if (asprintf(&s_taskid, "%" PRIu64, taskid) < 0) {
printf("Memory allocation failed.\n");
return;
}
printf(NAME ": Task %" PRIu64 " fault in thread %p.\n", taskid,
(void *) thread);
fname = "/app/taskdump";
#ifdef CONFIG_WRITE_CORE_FILES
char *dump_fname;
if (asprintf(&dump_fname, "/data/core%" PRIu64, taskid) < 0) {
printf("Memory allocation failed.\n");
return;
}
printf(NAME ": Executing %s -c %s -t %s\n", fname, dump_fname, s_taskid);
rc = task_spawnl(NULL, fname, fname, "-c", dump_fname, "-t", s_taskid,
NULL);
#else
printf(NAME ": Executing %s -t %s\n", fname, s_taskid);
rc = task_spawnl(NULL, fname, fname, "-t", s_taskid, NULL);
#endif
if (rc != EOK) {
printf("%s: Error spawning %s (%s).\n", NAME, fname,
str_error(rc));
}
}
/** Fibril for spawning the task running after user connects.
*
* @param arg Corresponding @c telnet_user_t structure.
*/
static int spawn_task_fibril(void *arg)
{
telnet_user_t *user = arg;
int rc;
char term[LOC_NAME_MAXLEN];
snprintf(term, LOC_NAME_MAXLEN, "%s/%s", "/loc", user->service_name);
task_id_t task;
rc = task_spawnl(&task, APP_GETTERM, APP_GETTERM, "-w", term, APP_SHELL, NULL);
if (rc != EOK) {
telnet_user_error(user, "Spawning `%s -w %s %s' failed: %s.",
APP_GETTERM, term, APP_SHELL, str_error(rc));
fibril_mutex_lock(&user->guard);
user->task_finished = true;
user->srvs.aborted = true;
fibril_condvar_signal(&user->refcount_cv);
fibril_mutex_unlock(&user->guard);
return EOK;
}
fibril_mutex_lock(&user->guard);
user->task_id = task;
fibril_mutex_unlock(&user->guard);
task_exit_t task_exit;
int task_retval;
task_wait(task, &task_exit, &task_retval);
telnet_user_log(user, "%s terminated %s, exit code %d.", APP_GETTERM,
task_exit == TASK_EXIT_NORMAL ? "normally" : "unexpectedly",
task_retval);
/* Announce destruction. */
fibril_mutex_lock(&user->guard);
user->task_finished = true;
user->srvs.aborted = true;
fibril_condvar_signal(&user->refcount_cv);
fibril_mutex_unlock(&user->guard);
return EOK;
}
