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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libgen.h>
#include <sys/param.h>
#include <sys/priocntl.h>
#include <sys/types.h>
#include "priocntl.h"
static char usage[] =
"usage: priocntl -l\n\
priocntl -d [-i idtype] [idlist]\n";
/*
* A whole lot of to-do for a scheduling class that can't actually be
* configured or used by user processes.
*/
int
main(int argc, char *argv[])
{
int dflag, eflag, iflag, lflag, sflag;
int c;
char cmdpath[MAXPATHLEN];
char basenm[BASENMSZ];
(void) strlcpy(cmdpath, argv[0], MAXPATHLEN);
(void) strlcpy(basenm, basename(argv[0]), BASENMSZ);
dflag = eflag = iflag = lflag = sflag = 0;
while ((c = getopt(argc, argv, "c:dei:ls")) != -1) {
switch (c) {
case 'c':
if (strcmp(optarg, "SDC") != 0)
fatalerr("error: %s executed for %s class, "
"%s is actually sub-command for %s class\n",
cmdpath, optarg, cmdpath, "SDC");
break;
case 'd':
dflag++;
break;
case 'e':
eflag++;
break;
case 'i':
iflag++; /* optarg is parsed, but ignored */
break;
case 'l':
lflag++;
break;
case 's':
sflag++;
break;
case '?':
fatalerr(usage);
/*NOTREACHED*/
default:
break;
}
}
if (sflag && eflag) {
fatalerr(usage);
}
if (sflag || eflag) {
fatalerr(
"priocntl: \"-%c\" may not be used with the %s class\n",
(sflag ? 's' : 'e'), "SDC");
}
if ((!dflag && !lflag) || (dflag && lflag)) {
fatalerr(usage);
}
if (dflag) {
pid_t *pidlist;
size_t numread, i;
/*
* No scheduling-class-specific information to print,
* but we read the pidlist to avoid generating a SIGPIPE
* in the main priocntl process. Once we've read it,
* we might as well print it.
*/
if ((pidlist = read_pidlist(&numread, stdin)) == NULL) {
fatalerr("%s: Can't read pidlist.\n", basenm);
} else if (numread == 0) {
fatalerr("%s: No pids on input.\n", basenm);
} else {
(void) printf("SYSTEM DUTY-CYCLE PROCESSES:\n");
(void) printf("%7s\n", "PID");
for (i = 0; i < numread; i++) {
(void) printf("%7ld\n", pidlist[i]);
}
}
free_pidlist(pidlist);
} else {
(void) printf("SDC (System Duty-Cycle Class)\n");
}
return (0);
}
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