src/login/logind-inhibit.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2012 Lennart Poettering
   8 ***/
   9
  10 typedef struct Inhibitor Inhibitor;
  11
  12
  13 typedef enum InhibitWhat {
  14         INHIBIT_SHUTDOWN = 1,
  15         INHIBIT_SLEEP = 2,
  16         INHIBIT_IDLE = 4,
  17         INHIBIT_HANDLE_POWER_KEY = 8,
  18         INHIBIT_HANDLE_SUSPEND_KEY = 16,
  19         INHIBIT_HANDLE_HIBERNATE_KEY = 32,
  20         INHIBIT_HANDLE_LID_SWITCH = 64,
  21         _INHIBIT_WHAT_MAX = 128,
  22         _INHIBIT_WHAT_INVALID = -1
  23 } InhibitWhat;
  24
  25 typedef enum InhibitMode {
  26         INHIBIT_BLOCK,
  27         INHIBIT_DELAY,
  28         _INHIBIT_MODE_MAX,
  29         _INHIBIT_MODE_INVALID = -1
  30 } InhibitMode;
  31
  32 #include "logind.h"
  33
  34 struct Inhibitor {
  35         Manager *manager;
  36
  37         sd_event_source *event_source;
  38
  39         char *id;
  40         char *state_file;
  41
  42         bool started;
  43
  44         InhibitWhat what;
  45         char *who;
  46         char *why;
  47         InhibitMode mode;
  48
  49         pid_t pid;
  50         uid_t uid;
  51
  52         dual_timestamp since;
  53
  54         char *fifo_path;
  55         int fifo_fd;
  56 };
  57
  58 Inhibitor* inhibitor_new(Manager *m, const char *id);
  59 void inhibitor_free(Inhibitor *i);
  60
  61 int inhibitor_save(Inhibitor *i);
  62 int inhibitor_load(Inhibitor *i);
  63
  64 int inhibitor_start(Inhibitor *i);
  65 int inhibitor_stop(Inhibitor *i);
  66
  67 int inhibitor_create_fifo(Inhibitor *i);
  68 void inhibitor_remove_fifo(Inhibitor *i);
  69
  70 InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mm);
  71 bool manager_is_inhibited(Manager *m, InhibitWhat w, InhibitMode mm, dual_timestamp *since, bool ignore_inactive, bool ignore_uid, uid_t uid, Inhibitor **offending);
  72
  73 const char *inhibit_what_to_string(InhibitWhat k);
  74 InhibitWhat inhibit_what_from_string(const char *s);
  75
  76 const char *inhibit_mode_to_string(InhibitMode k);
  77 InhibitMode inhibit_mode_from_string(const char *s);