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