src/login/logind-seat.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   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
  23         bool in_gc_queue:1;
  24         bool started:1;
  25
  26         LIST_FIELDS(Seat, gc_queue);
  27 };
  28
  29 int seat_new(Seat **ret, Manager *m, const char *id);
  30 Seat* seat_free(Seat *s);
  31
  32 DEFINE_TRIVIAL_CLEANUP_FUNC(Seat *, seat_free);
  33
  34 int seat_save(Seat *s);
  35 int seat_load(Seat *s);
  36
  37 int seat_apply_acls(Seat *s, Session *old_active);
  38 int seat_set_active(Seat *s, Session *session);
  39 int seat_switch_to(Seat *s, unsigned num);
  40 int seat_switch_to_next(Seat *s);
  41 int seat_switch_to_previous(Seat *s);
  42 int seat_active_vt_changed(Seat *s, unsigned vtnr);
  43 int seat_read_active_vt(Seat *s);
  44 int seat_preallocate_vts(Seat *s);
  45
  46 int seat_attach_session(Seat *s, Session *session);
  47 void seat_complete_switch(Seat *s);
  48 void seat_evict_position(Seat *s, Session *session);
  49 void seat_claim_position(Seat *s, Session *session, unsigned pos);
  50
  51 bool seat_has_vts(Seat *s);
  52 bool seat_is_seat0(Seat *s);
  53 bool seat_can_tty(Seat *s);
  54 bool seat_has_master_device(Seat *s);
  55 bool seat_can_graphical(Seat *s);
  56
  57 int seat_get_idle_hint(Seat *s, dual_timestamp *t);
  58
  59 int seat_start(Seat *s);
  60 int seat_stop(Seat *s, bool force);
  61 int seat_stop_sessions(Seat *s, bool force);
  62
  63 bool seat_may_gc(Seat *s, bool drop_not_started);
  64 void seat_add_to_gc_queue(Seat *s);
  65
  66 bool seat_name_is_valid(const char *name);
  67
  68 static inline bool SEAT_IS_SELF(const char *name) {
  69         return isempty(name) || streq(name, "self");
  70 }
  71
  72 static inline bool SEAT_IS_AUTO(const char *name) {
  73         return streq_ptr(name, "auto");
  74 }