1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3 
4 #include "macro.h"
5 #include "sd-bus.h"
6 
7 typedef struct BusWaitForUnits BusWaitForUnits;
8 
9 typedef enum BusWaitForUnitsState {
10         BUS_WAIT_SUCCESS,    /* Nothing to wait for anymore and nothing failed */
11         BUS_WAIT_FAILURE,    /* dito, but something failed */
12         BUS_WAIT_RUNNING,    /* Still something to wait for */
13         _BUS_WAIT_FOR_UNITS_STATE_MAX,
14         _BUS_WAIT_FOR_UNITS_STATE_INVALID = -EINVAL,
15 } BusWaitForUnitsState;
16 
17 typedef enum BusWaitForUnitsFlags {
18         BUS_WAIT_FOR_MAINTENANCE_END = 1 << 0, /* Wait until the unit is no longer in maintenance state */
19         BUS_WAIT_FOR_INACTIVE        = 1 << 1, /* Wait until the unit is back in inactive or dead state */
20         BUS_WAIT_NO_JOB              = 1 << 2, /* Wait until there's no more job pending */
21         BUS_WAIT_REFFED              = 1 << 3, /* The unit is already reffed with RefUnit() */
22 } BusWaitForUnitsFlags;
23 
24 typedef void (*bus_wait_for_units_ready_callback)(BusWaitForUnits *d, BusWaitForUnitsState state, void *userdata);
25 typedef void (*bus_wait_for_units_unit_callback)(BusWaitForUnits *d, const char *unit_path, bool good, void *userdata);
26 
27 int bus_wait_for_units_new(sd_bus *bus, BusWaitForUnits **ret);
28 BusWaitForUnits* bus_wait_for_units_free(BusWaitForUnits *d);
29 
30 BusWaitForUnitsState bus_wait_for_units_state(BusWaitForUnits *d);
31 void bus_wait_for_units_set_ready_callback(BusWaitForUnits *d, bus_wait_for_units_ready_callback callback, void *userdata);
32 int bus_wait_for_units_add_unit(BusWaitForUnits *d, const char *unit, BusWaitForUnitsFlags flags, bus_wait_for_units_unit_callback callback, void *userdata);
33 int bus_wait_for_units_run(BusWaitForUnits *d);
34 
35 DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForUnits*, bus_wait_for_units_free);
36