diff options
-rw-r--r-- | .gitignore | 1 | ||||
-rw-r--r-- | Makefile.am | 13 | ||||
-rw-r--r-- | src/user-sessions.c | 74 |
3 files changed, 87 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore index 2ba000c0b8..5cb935e9d1 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,4 @@ +systemd-user-sessions systemd-shutdown systemd-tmpfiles systemd-readahead-collect diff --git a/Makefile.am b/Makefile.am index a79e94e893..7d0ca9a954 100644 --- a/Makefile.am +++ b/Makefile.am @@ -107,7 +107,8 @@ rootlibexec_PROGRAMS = \ systemd-reply-password \ systemd-readahead-collect \ systemd-readahead-replay \ - systemd-tmpfiles + systemd-tmpfiles \ + systemd-user-sessions noinst_PROGRAMS = \ test-engine \ @@ -671,6 +672,16 @@ systemd_tmpfiles_SOURCES = \ systemd_tmpfiles_CFLAGS = \ $(AM_CFLAGS) +systemd_user_sessions_LDADD = \ + libsystemd-basic.la + +systemd_user_sessions_SOURCES = \ + src/user-sessions.c \ + src/cgroup-util.c + +systemd_user_sessions_CFLAGS = \ + $(AM_CFLAGS) + systemd_modules_load_LDADD = \ libsystemd-basic.la diff --git a/src/user-sessions.c b/src/user-sessions.c new file mode 100644 index 0000000000..dc4ee0fb4a --- /dev/null +++ b/src/user-sessions.c @@ -0,0 +1,74 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <string.h> +#include <unistd.h> +#include <errno.h> + +#include "log.h" +#include "util.h" +#include "cgroup-util.h" + +int main(int argc, char*argv[]) { + int ret = EXIT_FAILURE; + + if (argc != 2) { + log_error("This program requires one argument."); + return EXIT_FAILURE; + } + + log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); + log_parse_environment(); + log_open(); + + if (streq(argv[1], "start")) { + + if (unlink("/var/run/nologin") < 0 || + unlink("/etc/nologin") < 0) { + + if (errno != ENOENT) { + log_error("Failed to remove nologin files: %m"); + goto finish; + } + } + + } else if (streq(argv[1], "stop")) { + int r, q; + + if ((r = write_one_line_file("/var/run/nologin", "System is going down.")) < 0) + log_error("Failed to create /var/run/nologin: %s", strerror(-r)); + + if ((q = cg_kill_recursive_and_wait(SYSTEMD_CGROUP_CONTROLLER, "/user", true)) < 0) + log_error("Failed to kill sessions: %s", strerror(-q)); + + if (r < 0 || q < 0) + goto finish; + + } else { + log_error("Unknown verb %s.", argv[1]); + goto finish; + } + + ret = EXIT_SUCCESS; + +finish: + return ret; +} |