62 lines
944 B
C
62 lines
944 B
C
|
#include <errno.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sched.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include <err.h>
|
||
|
|
#include <sysexits.h>
|
||
|
|
#include "prutil.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* $FreeBSD$
|
||
|
|
*/
|
||
|
|
void quit(const char *text)
|
||
|
|
{
|
||
|
|
err(errno, text);
|
||
|
|
}
|
||
|
|
|
||
|
|
char *sched_text(int scheduler)
|
||
|
|
{
|
||
|
|
switch(scheduler)
|
||
|
|
{
|
||
|
|
case SCHED_FIFO:
|
||
|
|
return "SCHED_FIFO";
|
||
|
|
|
||
|
|
case SCHED_RR:
|
||
|
|
return "SCHED_RR";
|
||
|
|
|
||
|
|
case SCHED_OTHER:
|
||
|
|
return "SCHED_OTHER";
|
||
|
|
|
||
|
|
default:
|
||
|
|
return "Illegal scheduler value";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int sched_is(int line, struct sched_param *p, int shouldbe)
|
||
|
|
{
|
||
|
|
int scheduler;
|
||
|
|
struct sched_param param;
|
||
|
|
|
||
|
|
/* What scheduler are we running now?
|
||
|
|
*/
|
||
|
|
errno = 0;
|
||
|
|
scheduler = sched_getscheduler(0);
|
||
|
|
if (sched_getparam(0, ¶m))
|
||
|
|
quit("sched_getparam");
|
||
|
|
|
||
|
|
if (p)
|
||
|
|
*p = param;
|
||
|
|
|
||
|
|
if (shouldbe != -1 && scheduler != shouldbe)
|
||
|
|
{
|
||
|
|
fprintf(stderr,
|
||
|
|
"At line %d the scheduler should be %s yet it is %s.\n",
|
||
|
|
line, sched_text(shouldbe), sched_text(scheduler));
|
||
|
|
|
||
|
|
exit(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
return scheduler;
|
||
|
|
}
|