src/login/logind-seat.h

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