src/login/logind-inhibit.h

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright 2012 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

typedef struct Inhibitor Inhibitor;

#include "list.h"
#include "util.h"

typedef enum InhibitWhat {
        INHIBIT_SHUTDOWN = 1,
        INHIBIT_SLEEP = 2,
        INHIBIT_IDLE = 4,
        INHIBIT_HANDLE_POWER_KEY = 8,
        INHIBIT_HANDLE_SUSPEND_KEY = 16,
        INHIBIT_HANDLE_HIBERNATE_KEY = 32,
        INHIBIT_HANDLE_LID_SWITCH = 64,
        _INHIBIT_WHAT_MAX = 128,
        _INHIBIT_WHAT_INVALID = -1
} InhibitWhat;

typedef enum InhibitMode {
        INHIBIT_BLOCK,
        INHIBIT_DELAY,
        _INHIBIT_MODE_MAX,
        _INHIBIT_MODE_INVALID = -1
} InhibitMode;

#include "logind.h"
#include "logind-seat.h"

struct Inhibitor {
        Manager *manager;

        sd_event_source *event_source;

        char *id;
        char *state_file;

        bool started;

        InhibitWhat what;
        char *who;
        char *why;
        InhibitMode mode;

        pid_t pid;
        uid_t uid;

        dual_timestamp since;

        char *fifo_path;
        int fifo_fd;
};

Inhibitor* inhibitor_new(Manager *m, const char *id);
void inhibitor_free(Inhibitor *i);

int inhibitor_save(Inhibitor *i);
int inhibitor_load(Inhibitor *i);

int inhibitor_start(Inhibitor *i);
int inhibitor_stop(Inhibitor *i);

int inhibitor_create_fifo(Inhibitor *i);
void inhibitor_remove_fifo(Inhibitor *i);

InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mm);
bool manager_is_inhibited(Manager *m, InhibitWhat w, InhibitMode mm, dual_timestamp *since, bool ignore_inactive, bool ignore_uid, uid_t uid, Inhibitor **offending);

const char *inhibit_what_to_string(InhibitWhat k);
InhibitWhat inhibit_what_from_string(const char *s);

const char *inhibit_mode_to_string(InhibitMode k);
InhibitMode inhibit_mode_from_string(const char *s);