2 * Copyright (c) 1994 David Greenman
3 * Copyright (c) 1994 Henrik Vestergaard Draboel (hvd@terry.ping.dk)
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Henrik Vestergaard Draboel.
17 * This product includes software developed by David Greenman.
18 * 4. Neither the names of the authors nor the names of contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static const char rcsid[] =
40 #include <sys/param.h>
41 #include <sys/rtprio.h>
42 #include <sys/errno.h>
63 if ((p = rindex(argv[0], '/')) == NULL)
68 if (!strcmp(p, "rtprio"))
69 rtp.type = RTP_PRIO_REALTIME;
70 else if (!strcmp(p, "idprio"))
71 rtp.type = RTP_PRIO_IDLE;
75 proc = abs(atoi(argv[1])); /* Should check if numeric
79 if (rtprio(RTP_LOOKUP, proc, &rtp) != 0)
80 err(1, "%s", argv[0]);
83 case RTP_PRIO_REALTIME:
85 printf("realtime priority %d\n", rtp.prio);
88 printf("normal priority\n");
91 printf("idle priority %d\n", rtp.prio);
94 printf("invalid priority type %d\n", rtp.type);
99 if (argv[1][0] == '-' || isdigit(argv[1][0])) {
100 if (argv[1][0] == '-') {
101 if (strcmp(argv[1], "-t") == 0) {
102 rtp.type = RTP_PRIO_NORMAL;
109 rtp.prio = atoi(argv[1]);
116 if (argv[2][0] == '-')
117 proc = -atoi(argv[2]);
119 if (rtprio(RTP_SET, proc, &rtp) != 0)
120 err(1, "%s", argv[0]);
123 execvp(argv[2], &argv[2]);
124 err(1, "%s", argv[2]);
134 (void) fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n",
135 "usage: [id|rt]prio",
136 " [id|rt]prio [-]pid",
137 " [id|rt]prio priority command [args]",
138 " [id|rt]prio priority -pid",
139 " [id|rt]prio -t command [args]",
140 " [id|rt]prio -t -pid");