src/login/logind-seat.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 typedef struct Seat Seat;
   5
   6 #include "list.h"
   7 #include "logind-session.h"
   8
   9 struct Seat {
  10         Manager *manager;
  11         char *id;
  12
  13         char *state_file;
  14
  15         LIST_HEAD(Device, devices);
  16
  17         Session *active;
  18         Session *pending_switch;
  19         LIST_HEAD(Session, sessions);
  20
  21         Session **positions;
  22         size_t position_count;
  23
  24         bool in_gc_queue:1;
  25         bool started:1;
  26
  27         LIST_FIELDS(Seat, gc_queue);
  28 };
  29
  30 int seat_new(Seat **ret, Manager *m, const char *id);
  31 Seat* seat_free(Seat *s);
  32
  33 DEFINE_TRIVIAL_CLEANUP_FUNC(Seat *, seat_free);
  34
  35 int seat_save(Seat *s);
  36 int seat_load(Seat *s);
  37
  38 int seat_apply_acls(Seat *s, Session *old_active);
  39 int seat_set_active(Seat *s, Session *session);
  40 int seat_switch_to(Seat *s, unsigned num);
  41 int seat_switch_to_next(Seat *s);
  42 int seat_switch_to_previous(Seat *s);
  43 int seat_active_vt_changed(Seat *s, unsigned vtnr);
  44 int seat_read_active_vt(Seat *s);
  45 int seat_preallocate_vts(Seat *s);
  46
  47 int seat_attach_session(Seat *s, Session *session);
  48 void seat_complete_switch(Seat *s);
  49 void seat_evict_position(Seat *s, Session *session);
  50 void seat_claim_position(Seat *s, Session *session, unsigned pos);
  51
  52 bool seat_has_vts(Seat *s);
  53 bool seat_is_seat0(Seat *s);
  54 bool seat_can_multi_session(Seat *s);
  55 bool seat_can_tty(Seat *s);
  56 bool seat_has_master_device(Seat *s);
  57 bool seat_can_graphical(Seat *s);
  58
  59 int seat_get_idle_hint(Seat *s, dual_timestamp *t);
  60
  61 int seat_start(Seat *s);
  62 int seat_stop(Seat *s, bool force);
  63 int seat_stop_sessions(Seat *s, bool force);
  64
  65 bool seat_may_gc(Seat *s, bool drop_not_started);
  66 void seat_add_to_gc_queue(Seat *s);
  67
  68 bool seat_name_is_valid(const char *name);
  69
  70 extern const sd_bus_vtable seat_vtable[];
  71
  72 int seat_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
  73 int seat_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
  74 char *seat_bus_path(Seat *s);
  75
  76 int seat_send_signal(Seat *s, bool new_seat);
  77 int seat_send_changed(Seat *s, const char *properties, ...) _sentinel_;
  78
  79 int bus_seat_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error);