diff options
-rw-r--r-- | Makefile.am | 7 | ||||
-rw-r--r-- | man/systemd-logind.service.xml | 1 | ||||
-rw-r--r-- | man/systemd-user-sessions.service.xml | 77 | ||||
-rw-r--r-- | src/login/user-sessions.c | 7 | ||||
-rw-r--r-- | units/systemd-user-sessions.service.in | 3 |
5 files changed, 89 insertions, 6 deletions
diff --git a/Makefile.am b/Makefile.am index d59f6660b1..84cc435b37 100644 --- a/Makefile.am +++ b/Makefile.am @@ -2944,7 +2944,8 @@ MANPAGES += \ man/sd_uid_get_state.3 \ man/sd_session_is_active.3 \ man/sd_seat_get_active.3 \ - man/sd_get_seats.3 + man/sd_get_seats.3 \ + man/systemd-user-sessions.service.8 MANPAGES_ALIAS += \ man/systemd-logind.8 \ @@ -2965,7 +2966,8 @@ MANPAGES_ALIAS += \ man/sd_seat_get_sessions.3 \ man/sd_seat_can_multi_session.3 \ man/sd_get_sessions.3 \ - man/sd_get_uids.3 + man/sd_get_uids.3 \ + man/systemd-user-sessions.8 man/systemd-logind.8: man/systemd-logind.service.8 man/sd_login_monitor_unref.3: man/sd_login_monitor_new.3 @@ -2986,6 +2988,7 @@ man/sd_seat_get_sessions.3: man/sd_seat_get_active.3 man/sd_seat_can_multi_session.3: man/sd_seat_get_active.3 man/sd_get_sessions.3: man/sd_get_seats.3 man/sd_get_uids.3: man/sd_get_seats.3 +man/systemd-user-sessions.8: man/systemd-user-sessions.service.8 EXTRA_DIST += \ src/login/logind-gperf.gperf \ diff --git a/man/systemd-logind.service.xml b/man/systemd-logind.service.xml index 3e6887299d..9cef4ad6c0 100644 --- a/man/systemd-logind.service.xml +++ b/man/systemd-logind.service.xml @@ -112,6 +112,7 @@ <title>See Also</title> <para> <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-user-sessions.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry> diff --git a/man/systemd-user-sessions.service.xml b/man/systemd-user-sessions.service.xml new file mode 100644 index 0000000000..338b7012bf --- /dev/null +++ b/man/systemd-user-sessions.service.xml @@ -0,0 +1,77 @@ +<?xml version="1.0"?> +<!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- + 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/>. +--> +<refentry id="systemd-user-sessions.service"> + + <refentryinfo> + <title>systemd-user-sessions.service</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Lennart</firstname> + <surname>Poettering</surname> + <email>lennart@poettering.net</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-user-sessions.service</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-user-sessions.service</refname> + <refname>systemd-user-sessions</refname> + <refpurpose>Permit user logins after boot, prohibit user logins at shutdown.</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>systemd-user-sessions.service</filename></para> + <para><filename>/usr/lib/systemd/systemd-user-sessions</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><filename>systemd-user-sessions.service</filename> + is a service that controls user logins. After basic + system initialization is complete it removes + <filename>/run/login</filename>, thus permitting + logins. Before system shutdown it creates + <filename>/run/nologin</filename>, thus prohibiting + further logins. At the same time it also kills all + user processes, so that system shutdown may proceed + without any remaining user processes around.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>pam_nologin</refentrytitle><manvolnum>8</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> diff --git a/src/login/user-sessions.c b/src/login/user-sessions.c index 98b36c60e8..91531e8f38 100644 --- a/src/login/user-sessions.c +++ b/src/login/user-sessions.c @@ -69,17 +69,18 @@ int main(int argc, char*argv[]) { int r, q; char *cgroup_user_tree = NULL; - if ((r = write_one_line_file_atomic("/run/nologin", "System is going down.")) < 0) + r = write_one_line_file_atomic("/run/nologin", "System is going down."); + if (r < 0) log_error("Failed to create /run/nologin: %s", strerror(-r)); - if ((q = cg_get_user_path(&cgroup_user_tree)) < 0) { + q = cg_get_user_path(&cgroup_user_tree); + if (q < 0) { log_error("Failed to determine use path: %s", strerror(-q)); goto finish; } q = cg_kill_recursive_and_wait(SYSTEMD_CGROUP_CONTROLLER, cgroup_user_tree, true); free(cgroup_user_tree); - if (q < 0) { log_error("Failed to kill sessions: %s", strerror(-q)); goto finish; diff --git a/units/systemd-user-sessions.service.in b/units/systemd-user-sessions.service.in index 363093ee1d..0869e73991 100644 --- a/units/systemd-user-sessions.service.in +++ b/units/systemd-user-sessions.service.in @@ -7,7 +7,8 @@ [Unit] Description=Permit User Sessions -After=local-fs.target remote-fs.target +Documentation=man:systemd-user-sessions.service(8) +After=remote-fs.target [Service] Type=oneshot |