int main(int argc, char*argv[]) {
_cleanup_bus_unref_ sd_bus *bus = NULL;
int fd1, fd2;
int r;
r = sd_bus_open_system(&bus);
assert_se(r >= 0);
print_inhibitors(bus);
fd1 = inhibit(bus, "sleep");
assert_se(fd1 >= 0);
print_inhibitors(bus);
fd2 = inhibit(bus, "idle:shutdown");
assert_se(fd2 >= 0);
print_inhibitors(bus);
safe_close(fd1);
sleep(1);
print_inhibitors(bus);
safe_close(fd2);
sleep(1);
print_inhibitors(bus);
return 0;
}
int main(int argc, char*argv[]) {
DBusConnection *bus;
int fd1, fd2;
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, NULL);
assert(bus);
print_inhibitors(bus);
fd1 = inhibit(bus, "sleep");
assert(fd1 >= 0);
print_inhibitors(bus);
fd2 = inhibit(bus, "idle:shutdown");
assert(fd2 >= 0);
print_inhibitors(bus);
close_nointr_nofail(fd1);
sleep(1);
print_inhibitors(bus);
close_nointr_nofail(fd2);
sleep(1);
print_inhibitors(bus);
return 0;
}
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;
int r;
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r < 0)
return EXIT_FAILURE;
if (r == 0)
return EXIT_SUCCESS;
r = sd_bus_default_system(&bus);
if (r < 0) {
log_error("Failed to connect to bus: %s", strerror(-r));
return EXIT_FAILURE;
}
if (arg_action == ACTION_LIST) {
r = print_inhibitors(bus, &error);
if (r < 0) {
log_error("Failed to list inhibitors: %s", bus_error_message(&error, -r));
return EXIT_FAILURE;
}
} else {
_cleanup_close_ int fd = -1;
_cleanup_free_ char *w = NULL;
pid_t pid;
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));
return EXIT_FAILURE;
}
pid = fork();
if (pid < 0) {
log_error("Failed to fork: %m");
return EXIT_FAILURE;
}
if (pid == 0) {
/* Child */
close_all_fds(NULL, 0);
execvp(argv[optind], argv + optind);
log_error("Failed to execute %s: %m", argv[optind]);
_exit(EXIT_FAILURE);
}
r = wait_for_terminate_and_warn(argv[optind], pid);
return r < 0 ? EXIT_FAILURE : r;
}
return 0;
}
int main(int argc, char *argv[]) {
int r, exit_code = 0;
DBusConnection *bus = NULL;
DBusError error;
int fd = -1;
dbus_error_init(&error);
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
goto finish;
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
if (!bus) {
log_error("Failed to connect to bus: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (arg_action == ACTION_LIST) {
r = print_inhibitors(bus, &error);
if (r < 0) {
log_error("Failed to list inhibitors: %s", bus_error_message_or_strerror(&error, -r));
goto finish;
}
} else {
char *w = NULL;
pid_t pid;
if (!arg_who)
arg_who = w = strv_join(argv + optind, " ");
fd = inhibit(bus, &error);
free(w);
if (fd < 0) {
log_error("Failed to inhibit: %s", bus_error_message_or_strerror(&error, -r));
r = fd;
goto finish;
}
pid = fork();
if (pid < 0) {
log_error("Failed to fork: %m");
r = -errno;
goto finish;
}
if (pid == 0) {
/* Child */
close_nointr_nofail(fd);
execvp(argv[optind], argv + optind);
log_error("Failed to execute %s: %m", argv[optind]);
_exit(EXIT_FAILURE);
}
r = wait_for_terminate_and_warn(argv[optind], pid);
if (r >= 0)
exit_code = r;
}
finish:
if (bus) {
dbus_connection_close(bus);
dbus_connection_unref(bus);
}
dbus_error_free(&error);
if (fd >= 0)
close_nointr_nofail(fd);
return r < 0 ? EXIT_FAILURE : exit_code;
}
