mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 1994 David Greenman
|
|
* Copyright (c) 1994 Henrik Vestergaard Draboel (hvd@terry.ping.dk)
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Henrik Vestergaard Draboel.
|
|
* This product includes software developed by David Greenman.
|
|
* 4. Neither the names of the authors nor the names of contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/rtprio.h>
|
|
#include <sys/errno.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <unistd.h>
|
|
|
|
static void usage();
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
char *p;
|
|
int proc = 0;
|
|
struct rtprio rtp;
|
|
|
|
/* find basename */
|
|
if ((p = rindex(argv[0], '/')) == NULL)
|
|
p = argv[0];
|
|
else
|
|
++p;
|
|
|
|
if (!strcmp(p, "rtprio"))
|
|
rtp.type = RTP_PRIO_REALTIME;
|
|
else if (!strcmp(p, "idprio"))
|
|
rtp.type = RTP_PRIO_IDLE;
|
|
|
|
switch (argc) {
|
|
case 2:
|
|
proc = abs(atoi(argv[1])); /* Should check if numeric
|
|
* arg! */
|
|
/* FALLTHROUGH */
|
|
case 1:
|
|
if (rtprio(RTP_LOOKUP, proc, &rtp) != 0) {
|
|
perror(argv[0]);
|
|
exit (1);
|
|
}
|
|
printf("%s: ", p);
|
|
switch (rtp.type) {
|
|
case RTP_PRIO_REALTIME:
|
|
printf("realtime priority %d\n", rtp.prio);
|
|
break;
|
|
case RTP_PRIO_NORMAL:
|
|
printf("normal priority\n");
|
|
break;
|
|
case RTP_PRIO_IDLE:
|
|
printf("idle priority %d\n", rtp.prio);
|
|
break;
|
|
default:
|
|
printf("invalid priority type %d\n", rtp.type);
|
|
break;
|
|
}
|
|
exit(0);
|
|
default:
|
|
if (argv[1][0] == '-' || isdigit(argv[1][0])) {
|
|
if (argv[1][0] == '-') {
|
|
if (strcmp(argv[1], "-t") == 0) {
|
|
rtp.type = RTP_PRIO_NORMAL;
|
|
rtp.prio = 0;
|
|
} else {
|
|
usage(p);
|
|
break;
|
|
}
|
|
} else {
|
|
rtp.prio = atoi(argv[1]);
|
|
}
|
|
} else {
|
|
usage(p);
|
|
break;
|
|
}
|
|
|
|
if (argv[2][0] == '-')
|
|
proc = -atoi(argv[2]);
|
|
|
|
if (rtprio(RTP_SET, proc, &rtp) != 0) {
|
|
perror(argv[0]);
|
|
exit (1);
|
|
}
|
|
|
|
if (proc == 0) {
|
|
execvp(argv[2], &argv[2]);
|
|
perror(argv[0]);
|
|
exit (1);
|
|
}
|
|
}
|
|
exit (1);
|
|
}
|
|
|
|
static void
|
|
usage(basename)
|
|
char *basename;
|
|
{
|
|
(void) fprintf(stderr, "usage: %s\n", basename);
|
|
(void) fprintf(stderr, "usage: %s [-]pid\n", basename);
|
|
(void) fprintf(stderr, "usage: %s priority command [ args ] \n", basename);
|
|
(void) fprintf(stderr, "usage: %s priority -pid \n", basename);
|
|
(void) fprintf(stderr, "usage: %s -t command [ args ] \n", basename);
|
|
(void) fprintf(stderr, "usage: %s -t -pid \n", basename);
|
|
|
|
exit(-1);
|
|
}
|