2 * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
3 * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #include <sys/signalfd.h>
33 int main(int argc, char *argv[])
36 struct udev_event *event = NULL;
37 struct udev_device *dev = NULL;
38 struct udev_rules *rules = NULL;
39 char syspath[UTIL_PATH_SIZE];
42 const char *subsystem;
43 sigset_t mask, sigmask_orig;
49 info(udev, "version %s\n", VERSION);
50 udev_selinux_init(udev);
52 sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
54 action = getenv("ACTION");
55 devpath = getenv("DEVPATH");
56 subsystem = getenv("SUBSYSTEM");
58 if (action == NULL || subsystem == NULL || devpath == NULL) {
59 err(udev, "action, subsystem or devpath missing\n");
63 rules = udev_rules_new(udev, 1);
65 util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
66 dev = udev_device_new_from_syspath(udev, syspath);
68 info(udev, "unknown device '%s'\n", devpath);
72 /* skip reading of db, but read kernel parameters */
73 udev_device_set_info_loaded(dev);
74 udev_device_read_uevent_file(dev);
76 udev_device_set_action(dev, action);
77 event = udev_event_new(dev);
80 sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
81 event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
82 if (event->fd_signal < 0) {
83 fprintf(stderr, "error creating signalfd\n");
87 err = udev_event_execute_rules(event, rules, &sigmask_orig);
89 udev_event_execute_run(event, NULL);
91 if (event != NULL && event->fd_signal >= 0)
92 close(event->fd_signal);
93 udev_event_unref(event);
94 udev_device_unref(dev);
95 udev_rules_unref(rules);
96 udev_selinux_exit(udev);