1 files changed, 11 insertions, 109 deletions

diff --git a/usr/src/lib/libc/port/threads/rtsched.c b/usr/src/lib/libc/port/threads/rtsched.c
index 60d3357655..a85118dc5c 100644
--- a/usr/src/lib/libc/port/threads/rtsched.c
+++ b/usr/src/lib/libc/port/threads/rtsched.c
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * 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.
@@ -19,8 +18,9 @@
  *
  * CDDL HEADER END
  */
+
 /*
- * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -39,9 +39,6 @@
  * The following variables are used for caching information
  * for priocntl TS and RT scheduling classs.
  */
-struct pcclass ts_class, rt_class;
-
-static rtdpent_t *rt_dptbl;	/* RT class parameter table */
 static int rt_rrmin;
 static int rt_rrmax;
 static int rt_fifomin;
@@ -50,87 +47,6 @@ static int rt_othermin;
 static int rt_othermax;
 
 /*
- * Get the RT class parameter table
- */
-static void
-_get_rt_dptbl()
-{
-	struct pcclass	*pccp;
-	pcadmin_t	pcadmin;
-	rtadmin_t	rtadmin;
-	size_t		rtdpsize;
-
-	pccp = &ts_class;
-	/* get class's info */
-	(void) strcpy(pccp->pcc_info.pc_clname, "TS");
-	if (priocntl(P_PID, 0, PC_GETCID, (caddr_t)&(pccp->pcc_info)) < 0)
-		goto out;
-
-	pccp = &rt_class;
-	/* get class's info */
-	(void) strcpy(pccp->pcc_info.pc_clname, "RT");
-	if (priocntl(P_PID, 0, PC_GETCID, (caddr_t)&(pccp->pcc_info)) < 0)
-		goto out;
-
-	/* get RT class dispatch table in rt_dptbl */
-	pcadmin.pc_cid = rt_class.pcc_info.pc_cid;
-	pcadmin.pc_cladmin = (caddr_t)&rtadmin;
-	rtadmin.rt_cmd = RT_GETDPSIZE;
-	if (priocntl(P_PID, 0, PC_ADMIN, (caddr_t)&pcadmin) < 0)
-		goto out;
-	rtdpsize = rtadmin.rt_ndpents * sizeof (rtdpent_t);
-	if (rt_dptbl == NULL && (rt_dptbl = lmalloc(rtdpsize)) == NULL)
-		goto out;
-	rtadmin.rt_dpents = rt_dptbl;
-	rtadmin.rt_cmd = RT_GETDPTBL;
-	if (priocntl(P_PID, 0, PC_ADMIN, (caddr_t)&pcadmin) < 0)
-		goto out;
-	pccp->pcc_primin = 0;
-	pccp->pcc_primax = ((rtinfo_t *)rt_class.pcc_info.pc_clinfo)->rt_maxpri;
-	return;
-out:
-	thr_panic("get_rt_dptbl failed");
-}
-
-/*
- * Translate RT class's user priority to global scheduling priority.
- * This is for priorities coming from librt.
- */
-pri_t
-_map_rtpri_to_gp(pri_t pri)
-{
-	static mutex_t	map_lock = DEFAULTMUTEX;
-	static int	mapped = 0;
-	rtdpent_t	*rtdp;
-	pri_t		gpri;
-
-	if (!mapped) {
-		lmutex_lock(&map_lock);
-		if (!mapped) {		/* do this only once */
-			_get_rt_dptbl();
-			mapped = 1;
-		}
-		lmutex_unlock(&map_lock);
-	}
-
-	/* First case is the default case, other two are seldomly taken */
-	if (pri <= rt_dptbl[rt_class.pcc_primin].rt_globpri) {
-		gpri = pri + rt_dptbl[rt_class.pcc_primin].rt_globpri -
-		    rt_class.pcc_primin;
-	} else if (pri >= rt_dptbl[rt_class.pcc_primax].rt_globpri) {
-		gpri = pri + rt_dptbl[rt_class.pcc_primax].rt_globpri -
-		    rt_class.pcc_primax;
-	} else {
-		gpri =  rt_dptbl[rt_class.pcc_primin].rt_globpri + 1;
-		for (rtdp = rt_dptbl+1; rtdp->rt_globpri < pri; ++rtdp, ++gpri)
-			;
-		if (rtdp->rt_globpri > pri)
-			--gpri;
-	}
-	return (gpri);
-}
-
-/*
  * Set the RT priority/policy of a lwp/thread.
  */
 int
@@ -175,30 +91,16 @@ _thrp_setlwpprio(lwpid_t lwpid, int policy, int pri)
 static void
 _init_rt_prio_ranges()
 {
-	pcinfo_t info;
-
-	(void) strcpy(info.pc_clname, "RT");
-	if (priocntl(P_PID, 0, PC_GETCID, (caddr_t)&info) == -1L)
-		rt_fifomin = rt_rrmin = rt_fifomax = rt_rrmax = 0;
-	else {
-		rtinfo_t *rtinfop = (rtinfo_t *)info.pc_clinfo;
-		rt_fifomin = rt_rrmin = 0;
-		rt_fifomax = rt_rrmax = rtinfop->rt_maxpri;
-	}
-
-	(void) strcpy(info.pc_clname, "TS");
-	if (priocntl(P_PID, 0, PC_GETCID, (caddr_t)&info) == -1L)
-		rt_othermin = rt_othermax = 0;
-	else {
-		tsinfo_t *tsinfop = (tsinfo_t *)info.pc_clinfo;
-		pri_t pri = tsinfop->ts_maxupri / 3;
-		rt_othermin = -pri;
-		rt_othermax = pri;
-	}
+	rt_rrmin = sched_get_priority_min(SCHED_RR);
+	rt_rrmax = sched_get_priority_max(SCHED_RR);
+	rt_fifomin = sched_get_priority_min(SCHED_FIFO);
+	rt_fifomax = sched_get_priority_max(SCHED_FIFO);
+	rt_othermin = sched_get_priority_min(SCHED_OTHER);
+	rt_othermax = sched_get_priority_max(SCHED_OTHER);
 }
 
 /*
- * Validate priorities from librt.
+ * Validate priorities.
  */
 int
 _validate_rt_prio(int policy, int pri)