static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { bool skip_signal = false; int r; assert(s); if (s->result == SCOPE_SUCCESS) s->result = f; /* Before sending any signal, make sure we track all members of this cgroup */ (void) unit_watch_all_pids(UNIT(s)); /* Also, enqueue a job that we recheck all our PIDs a bit later, given that it's likely some processes have * died now */ (void) unit_enqueue_rewatch_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 berserk mode */ if (state == SCOPE_STOP_SIGTERM) skip_signal = bus_scope_send_request_stop(s) > 0; if (skip_signal) r = 1; /* wait */ else { r = unit_kill_context( UNIT(s), &s->kill_context, state != SCOPE_STOP_SIGTERM ? KILL_KILL : s->was_abandoned ? KILL_TERMINATE_AND_LOG : KILL_TERMINATE, -1, -1, false); if (r < 0) goto fail; } if (r > 0) { r = scope_arm_timer(s, usec_add(now(CLOCK_MONOTONIC), s->timeout_stop_usec)); 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_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); }
static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { bool skip_signal = false; int r; assert(s); if (s->result == 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 berserk mode */ if (state == SCOPE_STOP_SIGTERM) skip_signal = bus_scope_send_request_stop(s) > 0; if (skip_signal) r = 1; /* wait */ else { r = unit_kill_context( UNIT(s), &s->kill_context, state != SCOPE_STOP_SIGTERM ? KILL_KILL : s->was_abandoned ? KILL_TERMINATE_AND_LOG : KILL_TERMINATE, -1, -1, false); if (r < 0) goto fail; } if (r > 0) { r = scope_arm_timer(s, usec_add(now(CLOCK_MONOTONIC), s->timeout_stop_usec)); 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_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); }
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); }