src/login/inhibit.c

	inhibit.c revision 820d3acfe924e58965d14b4711d5df31c5db199a
df8bdeb362277e8d95a74d6c097341fe97409948johnz/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz/***
df8bdeb362277e8d95a74d6c097341fe97409948johnz  This file is part of systemd.
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz  Copyright 2012 Lennart Poettering
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz  systemd is free software; you can redistribute it and/or modify it
df8bdeb362277e8d95a74d6c097341fe97409948johnz  under the terms of the GNU Lesser General Public License as published by
df8bdeb362277e8d95a74d6c097341fe97409948johnz  the Free Software Foundation; either version 2.1 of the License, or
df8bdeb362277e8d95a74d6c097341fe97409948johnz  (at your option) any later version.
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz  systemd is distributed in the hope that it will be useful, but
df8bdeb362277e8d95a74d6c097341fe97409948johnz  WITHOUT ANY WARRANTY; without even the implied warranty of
df8bdeb362277e8d95a74d6c097341fe97409948johnz  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
df8bdeb362277e8d95a74d6c097341fe97409948johnz  Lesser General Public License for more details.
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz  You should have received a copy of the GNU Lesser General Public License
df8bdeb362277e8d95a74d6c097341fe97409948johnz  along with systemd; If not, see <http://www.gnu.org/licenses/>.
df8bdeb362277e8d95a74d6c097341fe97409948johnz***/
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include <getopt.h>
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll#include <assert.h>
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include <stdlib.h>
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include <stdio.h>
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include <unistd.h>
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include <fcntl.h>
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include "sd-bus.h"
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include "bus-util.h"
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include "bus-error.h"
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include "util.h"
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include "build.h"
df8bdeb362277e8d95a74d6c097341fe97409948johnz#include "strv.h"
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic const char* arg_what = "idle:sleep:shutdown";
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic const char* arg_who = NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic const char* arg_why = "Unknown reason";
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic const char* arg_mode = NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic enum {
df8bdeb362277e8d95a74d6c097341fe97409948johnz        ACTION_INHIBIT,
df8bdeb362277e8d95a74d6c097341fe97409948johnz        ACTION_LIST
df8bdeb362277e8d95a74d6c097341fe97409948johnz} arg_action = ACTION_INHIBIT;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic int inhibit(sd_bus *bus, sd_bus_error *error) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        int r;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        int fd;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        r = sd_bus_call_method(
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        bus,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "org.freedesktop.login1",
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "/org/freedesktop/login1",
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                        "org.freedesktop.login1.Manager",
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                        "Inhibit",
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                        error,
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                        &reply,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "ssss", arg_what, arg_who, arg_why, arg_mode);
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (r < 0)
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return r;
735564919188238196dbd0d320770dda59b38369Anthony Scarpino
df8bdeb362277e8d95a74d6c097341fe97409948johnz        r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_UNIX_FD, &fd);
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (r < 0)
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                return r;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        r = fcntl(fd, F_DUPFD_CLOEXEC, 3);
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (r < 0)
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return -errno;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        return r;
df8bdeb362277e8d95a74d6c097341fe97409948johnz}
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic int print_inhibitors(sd_bus *bus, sd_bus_error *error) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        const char *what, *who, *why, *mode;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        unsigned int uid, pid;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        unsigned n = 0;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        int r;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        r = sd_bus_call_method(
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        bus,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "org.freedesktop.login1",
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "/org/freedesktop/login1",
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "org.freedesktop.login1.Manager",
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "ListInhibitors",
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        error,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        &reply,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        "");
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (r < 0)
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                return r;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (r < 0)
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return bus_log_parse_error(r);
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz                _cleanup_free_ char *comm = NULL, *u = NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                if (arg_mode && !streq(mode, arg_mode))
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        continue;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                get_process_comm(pid, &comm);
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                u = uid_to_name(uid);
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                printf("     Who: %s (UID "UID_FMT"/%s, PID "PID_FMT"/%s)\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz                       "    What: %s\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz                       "     Why: %s\n"
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                       "    Mode: %s\n\n",
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                       who, uid, strna(u), pid, strna(comm),
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                       what,
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                       why,
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                       mode);
735564919188238196dbd0d320770dda59b38369Anthony Scarpino
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                n++;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        }
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (r < 0)
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return bus_log_parse_error(r);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        r = sd_bus_message_exit_container(reply);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        if (r < 0)
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                return bus_log_parse_error(r);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        printf("%u inhibitors listed.\n", n);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        return 0;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM}
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
df8bdeb362277e8d95a74d6c097341fe97409948johnzstatic void help(void) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz        printf("%s [OPTIONS...] {COMMAND} ...\n\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "Execute a process while inhibiting shutdown/sleep/idle.\n\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "  -h --help               Show this help\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "     --version            Show package version\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "     --what=WHAT          Operations to inhibit, colon separated list of:\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "                          shutdown, sleep, idle, handle-power-key,\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "                          handle-suspend-key, handle-hibernate-key,\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "                          handle-lid-switch\n"
df8bdeb362277e8d95a74d6c097341fe97409948johnz               "     --who=STRING         A descriptive string who is inhibiting\n"
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM               "     --why=STRING         A descriptive string why is being inhibited\n"
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM               "     --mode=MODE          One of block or delay\n"
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM               "     --list               List active inhibitors\n"
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM               , program_invocation_short_name);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM}
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COMstatic int parse_argv(int argc, char *argv[]) {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        enum {
df8bdeb362277e8d95a74d6c097341fe97409948johnz                ARG_VERSION = 0x100,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                ARG_WHAT,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                ARG_WHO,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                ARG_WHY,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                ARG_MODE,
df8bdeb362277e8d95a74d6c097341fe97409948johnz                ARG_LIST,
df8bdeb362277e8d95a74d6c097341fe97409948johnz        };
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        static const struct option options[] = {
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                { "help",         no_argument,       NULL, 'h'              },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                { "version",      no_argument,       NULL, ARG_VERSION      },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                { "what",         required_argument, NULL, ARG_WHAT         },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                { "who",          required_argument, NULL, ARG_WHO          },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                { "why",          required_argument, NULL, ARG_WHY          },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                { "mode",         required_argument, NULL, ARG_MODE         },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                { "list",         no_argument,       NULL, ARG_LIST         },
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll                {}
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll        };
9f0bc604621fbb9b9b038e6de7da8f9c46e28608Wyllys Ingersoll
735564919188238196dbd0d320770dda59b38369Anthony Scarpino        int c;
735564919188238196dbd0d320770dda59b38369Anthony Scarpino
735564919188238196dbd0d320770dda59b38369Anthony Scarpino        assert(argc >= 0);
735564919188238196dbd0d320770dda59b38369Anthony Scarpino        assert(argv);
735564919188238196dbd0d320770dda59b38369Anthony Scarpino
735564919188238196dbd0d320770dda59b38369Anthony Scarpino        while ((c = getopt_long(argc, argv, "+h", options, NULL)) >= 0)
735564919188238196dbd0d320770dda59b38369Anthony Scarpino
735564919188238196dbd0d320770dda59b38369Anthony Scarpino                switch (c) {
735564919188238196dbd0d320770dda59b38369Anthony Scarpino
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case 'h':
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        help();
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        return 0;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case ARG_VERSION:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        puts(PACKAGE_STRING);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        puts(SYSTEMD_FEATURES);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        return 0;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case ARG_WHAT:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        arg_what = optarg;
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        break;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case ARG_WHO:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        arg_who = optarg;
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        break;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case ARG_WHY:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        arg_why = optarg;
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        break;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case ARG_MODE:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        arg_mode = optarg;
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        break;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case ARG_LIST:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        arg_action = ACTION_LIST;
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        break;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                case '?':
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        return -EINVAL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz                default:
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        assert_not_reached("Unhandled option");
df8bdeb362277e8d95a74d6c097341fe97409948johnz                }
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        if (arg_action == ACTION_INHIBIT && optind == argc)
df8bdeb362277e8d95a74d6c097341fe97409948johnz                arg_action = ACTION_LIST;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        else if (arg_action == ACTION_INHIBIT && optind >= argc) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz                log_error("Missing command line to execute.");
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return -EINVAL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        }
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        return 1;
df8bdeb362277e8d95a74d6c097341fe97409948johnz}
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnzint main(int argc, char *argv[]) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        _cleanup_bus_close_unref_ sd_bus *bus = NULL;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        int r;
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        log_parse_environment();
df8bdeb362277e8d95a74d6c097341fe97409948johnz        log_open();
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        r = parse_argv(argc, argv);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        if (r < 0)
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                return EXIT_FAILURE;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        if (r == 0)
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                return EXIT_SUCCESS;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        r = sd_bus_default_system(&bus);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        if (r < 0) {
df8bdeb362277e8d95a74d6c097341fe97409948johnz                log_error_errno(r, "Failed to connect to bus: %m");
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return EXIT_FAILURE;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        }
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        if (arg_action == ACTION_LIST) {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                r = print_inhibitors(bus, &error);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                if (r < 0) {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        log_error("Failed to list inhibitors: %s", bus_error_message(&error, -r));
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        return EXIT_FAILURE;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                }
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM        } else {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                _cleanup_close_ int fd = -1;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                _cleanup_free_ char *w = NULL;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                pid_t pid;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                if (!arg_who)
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        arg_who = w = strv_join(argv + optind, " ");
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                if (!arg_mode)
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        arg_mode = "block";
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
df8bdeb362277e8d95a74d6c097341fe97409948johnz                fd = inhibit(bus, &error);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                if (fd < 0) {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        log_error("Failed to inhibit: %s", bus_error_message(&error, -r));
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        return EXIT_FAILURE;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                }
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                pid = fork();
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                if (pid < 0) {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        log_error_errno(errno, "Failed to fork: %m");
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        return EXIT_FAILURE;
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                }
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                if (pid == 0) {
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        /* Child */
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM                        close_all_fds(NULL, 0);
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        execvp(argv[optind], argv + optind);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        log_error_errno(errno, "Failed to execute %s: %m", argv[optind]);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                        _exit(EXIT_FAILURE);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                }
8bab47abcb471dffa36ddbf409a8ef5303398ddfJohn.Zolnowsky@Sun.COM
df8bdeb362277e8d95a74d6c097341fe97409948johnz                r = wait_for_terminate_and_warn(argv[optind], pid, true);
df8bdeb362277e8d95a74d6c097341fe97409948johnz                return r < 0 ? EXIT_FAILURE : r;
df8bdeb362277e8d95a74d6c097341fe97409948johnz        }
df8bdeb362277e8d95a74d6c097341fe97409948johnz
df8bdeb362277e8d95a74d6c097341fe97409948johnz        return 0;
df8bdeb362277e8d95a74d6c097341fe97409948johnz}
df8bdeb362277e8d95a74d6c097341fe97409948johnz