2 * Copyright (C) 2005-2011 Kay Sievers <kay@vrfy.org>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
23 #include <sys/types.h>
24 #include <sys/socket.h>
30 static void print_help(void)
32 printf("Usage: udevadm control COMMAND\n"
33 " -e,--exit instruct the daemon to cleanup and exit\n"
34 " -l,--log-priority=LEVEL set the udev log level for the daemon\n"
35 " -s,--stop-exec-queue do not execute events, queue only\n"
36 " -S,--start-exec-queue execute events, flush queue\n"
37 " -R,--reload reload rules and databases\n"
38 " -p,--property=KEY=VALUE set a global property for all events\n"
39 " -m,--children-max=N maximum number of children\n"
40 " --timeout=SECONDS maximum time to block for a reply\n"
41 " -h,--help print this help text\n\n");
44 static int adm_control(struct udev
*udev
, int argc
, char *argv
[])
46 struct udev_ctrl
*uctrl
= NULL
;
50 static const struct option options
[] = {
51 { "exit", no_argument
, NULL
, 'e' },
52 { "log-priority", required_argument
, NULL
, 'l' },
53 { "stop-exec-queue", no_argument
, NULL
, 's' },
54 { "start-exec-queue", no_argument
, NULL
, 'S' },
55 { "reload", no_argument
, NULL
, 'R' },
56 { "reload-rules", no_argument
, NULL
, 'R' }, /* alias for -R */
57 { "property", required_argument
, NULL
, 'p' },
58 { "env", required_argument
, NULL
, 'p' }, /* alias for -p */
59 { "children-max", required_argument
, NULL
, 'm' },
60 { "timeout", required_argument
, NULL
, 't' },
61 { "help", no_argument
, NULL
, 'h' },
66 fprintf(stderr
, "root privileges required\n");
70 uctrl
= udev_ctrl_new(udev
);
74 while ((c
= getopt_long(argc
, argv
, "el:sSRp:m:h", options
, NULL
)) >= 0)
77 if (udev_ctrl_send_exit(uctrl
, timeout
) < 0)
85 i
= util_log_priority(optarg
);
87 fprintf(stderr
, "invalid number '%s'\n", optarg
);
90 if (udev_ctrl_send_set_log_level(uctrl
, util_log_priority(optarg
), timeout
) < 0)
97 if (udev_ctrl_send_stop_exec_queue(uctrl
, timeout
) < 0)
103 if (udev_ctrl_send_start_exec_queue(uctrl
, timeout
) < 0)
109 if (udev_ctrl_send_reload(uctrl
, timeout
) < 0)
115 if (strchr(optarg
, '=') == NULL
) {
116 fprintf(stderr
, "expect <KEY>=<value> instead of '%s'\n", optarg
);
119 if (udev_ctrl_send_set_env(uctrl
, optarg
, timeout
) < 0)
128 i
= strtoul(optarg
, &endp
, 0);
129 if (endp
[0] != '\0' || i
< 1) {
130 fprintf(stderr
, "invalid number '%s'\n", optarg
);
133 if (udev_ctrl_send_set_children_max(uctrl
, i
, timeout
) < 0)
142 seconds
= atoi(optarg
);
146 fprintf(stderr
, "invalid timeout value\n");
156 fprintf(stderr
, "Extraneous argument: %s\n", argv
[optind
]);
157 else if (optind
== 1)
158 fprintf(stderr
, "Option missing\n");
160 udev_ctrl_unref(uctrl
);
164 const struct udevadm_cmd udevadm_control
= {
167 .help
= "control the udev daemon",