src/login/logind-seat.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2011 Lennart Poettering
   8 ***/
   9
  10 typedef struct Seat Seat;
  11
  12 #include "list.h"
  13 #include "logind-session.h"
  14
  15 struct Seat {
  16         Manager *manager;
  17         char *id;
  18
  19         char *state_file;
  20
  21         LIST_HEAD(Device, devices);
  22
  23         Session *active;
  24         Session *pending_switch;
  25         LIST_HEAD(Session, sessions);
  26
  27         Session **positions;
  28         size_t position_count;
  29
  30         bool in_gc_queue:1;
  31         bool started:1;
  32
  33         LIST_FIELDS(Seat, gc_queue);
  34 };
  35
  36 Seat *seat_new(Manager *m, const char *id);
  37 void seat_free(Seat *s);
  38
  39 int seat_save(Seat *s);
  40 int seat_load(Seat *s);
  41
  42 int seat_apply_acls(Seat *s, Session *old_active);
  43 int seat_set_active(Seat *s, Session *session);
  44 int seat_switch_to(Seat *s, unsigned int num);
  45 int seat_switch_to_next(Seat *s);
  46 int seat_switch_to_previous(Seat *s);
  47 int seat_active_vt_changed(Seat *s, unsigned int vtnr);
  48 int seat_read_active_vt(Seat *s);
  49 #if 0 /// UNNEEDED by elogind
  50 int seat_preallocate_vts(Seat *s);
  51 #endif // 0
  52
  53 int seat_attach_session(Seat *s, Session *session);
  54 void seat_complete_switch(Seat *s);
  55 void seat_evict_position(Seat *s, Session *session);
  56 void seat_claim_position(Seat *s, Session *session, unsigned int pos);
  57
  58 bool seat_has_vts(Seat *s);
  59 bool seat_is_seat0(Seat *s);
  60 bool seat_can_multi_session(Seat *s);
  61 bool seat_can_tty(Seat *s);
  62 bool seat_has_master_device(Seat *s);
  63 bool seat_can_graphical(Seat *s);
  64
  65 int seat_get_idle_hint(Seat *s, dual_timestamp *t);
  66
  67 int seat_start(Seat *s);
  68 int seat_stop(Seat *s, bool force);
  69 int seat_stop_sessions(Seat *s, bool force);
  70
  71 bool seat_may_gc(Seat *s, bool drop_not_started);
  72 void seat_add_to_gc_queue(Seat *s);
  73
  74 bool seat_name_is_valid(const char *name);
  75
  76 extern const sd_bus_vtable seat_vtable[];
  77
  78 int seat_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
  79 int seat_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
  80 char *seat_bus_path(Seat *s);
  81
  82 int seat_send_signal(Seat *s, bool new_seat);
  83 int seat_send_changed(Seat *s, const char *properties, ...) _sentinel_;
  84
  85 int bus_seat_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error);