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
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
39 #include <sys/rtprio.h>
49 static int parseint(const char *, const char *);
50 static void usage(void);
53 main(int argc, char *argv[])
60 if ((p = rindex(argv[0], '/')) == NULL)
66 if (!strcmp(p, "rtprio"))
67 rtp.type = RTP_PRIO_REALTIME;
68 else if (!strcmp(p, "idprio"))
69 rtp.type = RTP_PRIO_IDLE;
73 proc = parseint(argv[1], "pid");
77 if (rtprio(RTP_LOOKUP, proc, &rtp) != 0)
81 case RTP_PRIO_REALTIME:
83 printf("realtime priority %d\n", rtp.prio);
86 printf("normal priority\n");
89 printf("idle priority %d\n", rtp.prio);
92 printf("invalid priority type %d\n", rtp.type);
97 if (argv[1][0] == '-' || isdigit(argv[1][0])) {
98 if (argv[1][0] == '-') {
99 if (strcmp(argv[1], "-t") == 0) {
100 rtp.type = RTP_PRIO_NORMAL;
107 rtp.prio = parseint(argv[1], "priority");
113 if (argv[2][0] == '-')
114 proc = parseint(argv[2] + 1, "pid");
115 if (rtprio(RTP_SET, proc, &rtp) != 0)
119 execvp(argv[2], &argv[2]);
120 err(1, "%s", argv[2]);
128 parseint(const char *str, const char *errname)
134 res = strtol(str, &endp, 10);
135 if (errno != 0 || endp == str || *endp != '\0')
136 errx(1, "%s must be a number", errname);
138 errx(1, "Integer overflow parsing %s", errname);
146 (void) fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n",
147 "usage: [id|rt]prio",
148 " [id|rt]prio [-]pid",
149 " [id|rt]prio priority command [args]",
150 " [id|rt]prio priority -pid",
151 " [id|rt]prio -t command [args]",
152 " [id|rt]prio -t -pid");