-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
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/>.
***/
+#include <fcntl.h>
#include <getopt.h>
-#include <assert.h>
-#include <stdlib.h>
#include <stdio.h>
+#include <stdlib.h>
#include <unistd.h>
-#include <fcntl.h>
#include "sd-bus.h"
-#include "bus-util.h"
+
+#include "alloc-util.h"
#include "bus-error.h"
-#include "util.h"
-#include "build.h"
+#include "bus-util.h"
+#include "fd-util.h"
+#include "format-util.h"
+#include "process-util.h"
+#include "signal-util.h"
#include "strv.h"
+#include "user-util.h"
+#include "util.h"
static const char* arg_what = "idle:sleep:shutdown";
static const char* arg_who = NULL;
} arg_action = ACTION_INHIBIT;
static int inhibit(sd_bus *bus, sd_bus_error *error) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
int r;
int fd;
}
static int print_inhibitors(sd_bus *bus, sd_bus_error *error) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *what, *who, *why, *mode;
unsigned int uid, pid;
unsigned n = 0;
return 0;
case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
+ return version();
case ARG_WHAT:
arg_what = optarg;
}
int main(int argc, char *argv[]) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
log_parse_environment();
r = sd_bus_default_system(&bus);
if (r < 0) {
- log_error("Failed to connect to bus: %s", strerror(-r));
+ log_error_errno(r, "Failed to connect to bus: %m");
return EXIT_FAILURE;
}
_cleanup_free_ char *w = NULL;
pid_t pid;
+ /* Ignore SIGINT and allow the forked process to receive it */
+ (void) ignore_signals(SIGINT, -1);
+
if (!arg_who)
arg_who = w = strv_join(argv + optind, " ");
fd = inhibit(bus, &error);
if (fd < 0) {
- log_error("Failed to inhibit: %s", bus_error_message(&error, -r));
+ log_error("Failed to inhibit: %s", bus_error_message(&error, fd));
return EXIT_FAILURE;
}
- pid = fork();
- if (pid < 0) {
- log_error("Failed to fork: %m");
+ r = safe_fork("(inhibit)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_CLOSE_ALL_FDS|FORK_LOG, &pid);
+ if (r < 0)
return EXIT_FAILURE;
- }
-
- if (pid == 0) {
+ if (r == 0) {
/* Child */
-
- close_all_fds(NULL, 0);
-
execvp(argv[optind], argv + optind);
- log_error("Failed to execute %s: %m", argv[optind]);
+ log_open();
+ log_error_errno(errno, "Failed to execute %s: %m", argv[optind]);
_exit(EXIT_FAILURE);
}
- r = wait_for_terminate_and_warn(argv[optind], pid);
+ r = wait_for_terminate_and_check(argv[optind], pid, WAIT_LOG);
return r < 0 ? EXIT_FAILURE : r;
}
- return 0;
+ return EXIT_SUCCESS;
}