static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) {
Scope *s = SCOPE(userdata);
assert(s);
assert(s->timer_event_source == source);
switch (s->state) {
case SCOPE_STOP_SIGTERM:
if (s->kill_context.send_sigkill) {
log_warning_unit(UNIT(s)->id, "%s stopping timed out. Killing.", UNIT(s)->id);
scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_TIMEOUT);
} else {
log_warning_unit(UNIT(s)->id, "%s stopping timed out. Skipping SIGKILL.", UNIT(s)->id);
scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT);
}
break;
case SCOPE_STOP_SIGKILL:
log_warning_unit(UNIT(s)->id, "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT);
break;
default:
assert_not_reached("Timeout at wrong time.");
}
return 0;
}
static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) {
int r;
assert(s);
if (f != SCOPE_SUCCESS)
s->result = f;
r = unit_kill_context(
UNIT(s),
&s->kill_context,
state != SCOPE_STOP_SIGTERM,
-1, -1, false);
if (r < 0)
goto fail;
if (r > 0) {
r = scope_arm_timer(s);
if (r < 0)
goto fail;
scope_set_state(s, state);
} else
scope_enter_dead(s, SCOPE_SUCCESS);
return;
fail:
log_warning_unit(UNIT(s)->id,
"%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
scope_enter_dead(s, SCOPE_FAILURE_RESOURCES);
}
static void automount_enter_runnning(Automount *a) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
struct stat st;
int r;
assert(a);
/* We don't take mount requests anymore if we are supposed to
* shut down anyway */
if (unit_stop_pending(UNIT(a))) {
log_debug_unit(UNIT(a)->id,
"Suppressing automount request on %s since unit stop is scheduled.", UNIT(a)->id);
automount_send_ready(a, -EHOSTDOWN);
return;
}
mkdir_p_label(a->where, a->directory_mode);
/* Before we do anything, let's see if somebody is playing games with us? */
if (lstat(a->where, &st) < 0) {
log_warning_unit(UNIT(a)->id,
"%s failed to stat automount point: %m", UNIT(a)->id);
goto fail;
}
if (!S_ISDIR(st.st_mode) || st.st_dev != a->dev_id)
log_info_unit(UNIT(a)->id,
"%s's automount point already active?", UNIT(a)->id);
else {
r = manager_add_job(UNIT(a)->manager, JOB_START, UNIT_TRIGGER(UNIT(a)),
JOB_REPLACE, true, &error, NULL);
if (r < 0) {
log_warning_unit(UNIT(a)->id,
"%s failed to queue mount startup job: %s",
UNIT(a)->id, bus_error_message(&error, r));
goto fail;
}
}
automount_set_state(a, AUTOMOUNT_RUNNING);
return;
fail:
automount_enter_dead(a, AUTOMOUNT_FAILURE_RESOURCES);
}
static char *specifier_user_shell(char specifier, void *data, void *userdata) {
Unit *u = userdata;
ExecContext *c;
int r;
const char *username, *shell;
char *ret;
assert(u);
c = unit_get_exec_context(u);
if (c && c->user)
username = c->user;
else
username = "******";
/* return /bin/sh for root, otherwise the value from passwd */
r = get_user_creds(&username, NULL, NULL, NULL, &shell);
if (r < 0) {
log_warning_unit(u->id,
"Failed to determine shell: %s",
strerror(-r));
return NULL;
}
if (!path_is_absolute(shell)) {
log_warning_unit(u->id,
"Shell %s is not absolute, ignoring.",
shell);
}
ret = strdup(shell);
if (!ret)
log_oom();
return ret;
}
static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) {
bool skip_signal = false;
int r;
assert(s);
if (f != SCOPE_SUCCESS)
s->result = f;
unit_watch_all_pids(UNIT(s));
/* If we have a controller set let's ask the controller nicely
* to terminate the scope, instead of us going directly into
* SIGTERM beserk mode */
if (state == SCOPE_STOP_SIGTERM)
skip_signal = bus_scope_send_request_stop(s) > 0;
if (!skip_signal) {
r = unit_kill_context(
UNIT(s),
&s->kill_context,
state != SCOPE_STOP_SIGTERM,
-1, -1, false);
if (r < 0)
goto fail;
} else
r = 1;
if (r > 0) {
r = scope_arm_timer(s);
if (r < 0)
goto fail;
scope_set_state(s, state);
} else if (state == SCOPE_STOP_SIGTERM)
scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_SUCCESS);
else
scope_enter_dead(s, SCOPE_SUCCESS);
return;
fail:
log_warning_unit(UNIT(s)->id,
"%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
scope_enter_dead(s, SCOPE_FAILURE_RESOURCES);
}
static int busname_watch_fd(BusName *n) {
int r;
assert(n);
if (n->starter_fd < 0)
return 0;
if (n->starter_event_source)
r = sd_event_source_set_enabled(n->starter_event_source, SD_EVENT_ON);
else
r = sd_event_add_io(UNIT(n)->manager->event, &n->starter_event_source, n->starter_fd, EPOLLIN, busname_dispatch_io, n);
if (r < 0) {
log_warning_unit(UNIT(n)->id, "Failed to watch starter fd: %s", strerror(-r));
busname_unwatch_fd(n);
return r;
}
return 0;
}
