mirror of
https://github.com/systemd/systemd.git
synced 2024-12-25 01:34:28 +03:00
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
|
|
* Copyright (C) 2006-2008 Kay Sievers <kay@vrfy.org>
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <dirent.h>
|
|
#include <fcntl.h>
|
|
#include <syslog.h>
|
|
#include <getopt.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
|
|
#include "udev.h"
|
|
|
|
#define DEFAULT_TIMEOUT 180
|
|
#define LOOP_PER_SECOND 20
|
|
|
|
int udevadm_settle(struct udev *udev, int argc, char *argv[])
|
|
{
|
|
static const struct option options[] = {
|
|
{ "timeout", required_argument, NULL, 't' },
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{}
|
|
};
|
|
int timeout = DEFAULT_TIMEOUT;
|
|
struct udev_queue *udev_queue;
|
|
int loop;
|
|
int rc = 0;
|
|
|
|
dbg(udev, "version %s\n", VERSION);
|
|
|
|
while (1) {
|
|
int option;
|
|
int seconds;
|
|
|
|
option = getopt_long(argc, argv, "t:h", options, NULL);
|
|
if (option == -1)
|
|
break;
|
|
|
|
switch (option) {
|
|
case 't':
|
|
seconds = atoi(optarg);
|
|
if (seconds > 0)
|
|
timeout = seconds;
|
|
else
|
|
fprintf(stderr, "invalid timeout value\n");
|
|
dbg(udev, "timeout=%i\n", timeout);
|
|
break;
|
|
case 'h':
|
|
printf("Usage: udevadm settle [--help] [--timeout=<seconds>]\n\n");
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
udev_queue = udev_queue_new(udev);
|
|
if (udev_queue == NULL)
|
|
goto exit;
|
|
loop = timeout * LOOP_PER_SECOND;
|
|
while (loop--) {
|
|
if (udev_queue_get_queue_is_empty(udev_queue))
|
|
break;
|
|
usleep(1000 * 1000 / LOOP_PER_SECOND);
|
|
}
|
|
if (loop <= 0) {
|
|
struct udev_list_entry *list_entry;
|
|
|
|
info(udev, "timeout waiting for udev queue\n");
|
|
printf("\ndevadm settle timeout of %i seconds reached, the event queue contains:\n", timeout);
|
|
udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
|
|
printf(" '%s' [%s]\n",
|
|
udev_list_entry_get_name(list_entry),
|
|
udev_list_entry_get_value(list_entry));
|
|
rc = 1;
|
|
}
|
|
exit:
|
|
udev_queue_unref(udev_queue);
|
|
return rc;
|
|
}
|