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Use sched_lock to protect rtp_to_pri() and pri_to_rtp() when needed.

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This commit is contained in:
jhb 2001-09-02 01:05:36 +00:00
parent 58eccaba87
commit 74879eba28
1 changed files with 4 additions and 0 deletions
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4
sys/kern/kern_resource.c
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@ -284,7 +284,9 @@ rtprio(curp, uap)
case RTP_LOOKUP:
if ((error = p_cansee(curp, p)))
break;
mtx_lock_spin(&sched_lock);
pri_to_rtp(&p->p_pri, &rtp);
mtx_unlock_spin(&sched_lock);
error = copyout(&rtp, uap->rtp, sizeof(struct rtprio));
break;
case RTP_SET:
@ -314,7 +316,9 @@ rtprio(curp, uap)
break;
}
}
mtx_lock_spin(&sched_lock);
error = rtp_to_pri(&rtp, &p->p_pri);
mtx_unlock_spin(&sched_lock);
break;
default:
error = EINVAL;