952d32609f
When we dropped support for creating a per-user to the "main" X11 display we stopped returning useful data in the "Display" user property. With this change this is fixed and we again expose an appropriate (graphical session) in the property that is useful as the "main" one, if one is needed.
181 lines
5.1 KiB
C
181 lines
5.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef struct Session Session;
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typedef enum KillWho KillWho;
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#include "list.h"
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#include "util.h"
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#include "logind.h"
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#include "logind-seat.h"
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#include "logind-session-device.h"
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#include "logind-user.h"
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#include "login-shared.h"
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typedef enum SessionState {
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SESSION_OPENING, /* Session scope is being created */
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SESSION_ONLINE, /* Logged in */
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SESSION_ACTIVE, /* Logged in and in the fg */
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SESSION_CLOSING, /* Logged out, but scope is still there */
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_SESSION_STATE_MAX,
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_SESSION_STATE_INVALID = -1
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} SessionState;
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typedef enum SessionClass {
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SESSION_USER,
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SESSION_GREETER,
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SESSION_LOCK_SCREEN,
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SESSION_BACKGROUND,
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_SESSION_CLASS_MAX,
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_SESSION_CLASS_INVALID = -1
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} SessionClass;
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typedef enum SessionType {
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SESSION_UNSPECIFIED,
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SESSION_TTY,
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SESSION_X11,
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SESSION_WAYLAND,
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SESSION_MIR,
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_SESSION_TYPE_MAX,
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_SESSION_TYPE_INVALID = -1
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} SessionType;
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#define SESSION_TYPE_IS_GRAPHICAL(type) IN_SET(type, SESSION_X11, SESSION_WAYLAND, SESSION_MIR)
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enum KillWho {
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KILL_LEADER,
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KILL_ALL,
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_KILL_WHO_MAX,
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_KILL_WHO_INVALID = -1
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};
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struct Session {
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Manager *manager;
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char *id;
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unsigned int pos;
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SessionType type;
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SessionClass class;
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char *state_file;
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User *user;
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dual_timestamp timestamp;
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char *tty;
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char *display;
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bool remote;
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char *remote_user;
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char *remote_host;
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char *service;
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char *desktop;
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char *scope;
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char *scope_job;
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Seat *seat;
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unsigned int vtnr;
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int vtfd;
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sd_event_source *vt_source;
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pid_t leader;
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uint32_t audit_id;
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int fifo_fd;
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char *fifo_path;
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sd_event_source *fifo_event_source;
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bool idle_hint;
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dual_timestamp idle_hint_timestamp;
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bool in_gc_queue:1;
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bool started:1;
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bool stopping:1;
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sd_bus_message *create_message;
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sd_event_source *timer_event_source;
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char *controller;
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Hashmap *devices;
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LIST_FIELDS(Session, sessions_by_user);
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LIST_FIELDS(Session, sessions_by_seat);
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LIST_FIELDS(Session, gc_queue);
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};
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Session *session_new(Manager *m, const char *id);
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void session_free(Session *s);
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void session_set_user(Session *s, User *u);
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bool session_check_gc(Session *s, bool drop_not_started);
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void session_add_to_gc_queue(Session *s);
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int session_activate(Session *s);
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bool session_is_active(Session *s);
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int session_get_idle_hint(Session *s, dual_timestamp *t);
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void session_set_idle_hint(Session *s, bool b);
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int session_create_fifo(Session *s);
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int session_start(Session *s);
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int session_stop(Session *s, bool force);
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int session_finalize(Session *s);
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void session_release(Session *s);
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int session_save(Session *s);
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int session_load(Session *s);
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int session_kill(Session *s, KillWho who, int signo);
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SessionState session_get_state(Session *u);
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extern const sd_bus_vtable session_vtable[];
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int session_node_enumerator(sd_bus *bus, const char *path,void *userdata, char ***nodes, sd_bus_error *error);
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int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
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char *session_bus_path(Session *s);
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int session_send_signal(Session *s, bool new_session);
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int session_send_changed(Session *s, const char *properties, ...) _sentinel_;
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int session_send_lock(Session *s, bool lock);
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int session_send_lock_all(Manager *m, bool lock);
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int session_send_create_reply(Session *s, sd_bus_error *error);
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const char* session_state_to_string(SessionState t) _const_;
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SessionState session_state_from_string(const char *s) _pure_;
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const char* session_type_to_string(SessionType t) _const_;
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SessionType session_type_from_string(const char *s) _pure_;
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const char* session_class_to_string(SessionClass t) _const_;
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SessionClass session_class_from_string(const char *s) _pure_;
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const char *kill_who_to_string(KillWho k) _const_;
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KillWho kill_who_from_string(const char *s) _pure_;
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void session_prepare_vt(Session *s);
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void session_restore_vt(Session *s);
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bool session_is_controller(Session *s, const char *sender);
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int session_set_controller(Session *s, const char *sender, bool force);
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void session_drop_controller(Session *s);
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