xref: /onnv-gate/usr/src/uts/common/sys/rt.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #ifndef _SYS_RT_H
32*0Sstevel@tonic-gate #define	_SYS_RT_H
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4 */
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #include <sys/types.h>
37*0Sstevel@tonic-gate #include <sys/thread.h>
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate #ifdef	__cplusplus
40*0Sstevel@tonic-gate extern "C" {
41*0Sstevel@tonic-gate #endif
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate /*
44*0Sstevel@tonic-gate  * Real-time dispatcher parameter table entry
45*0Sstevel@tonic-gate  */
46*0Sstevel@tonic-gate typedef struct	rtdpent {
47*0Sstevel@tonic-gate 	pri_t	rt_globpri;	/* global (class independent) priority */
48*0Sstevel@tonic-gate 	int	rt_quantum;	/* default quantum associated with this level */
49*0Sstevel@tonic-gate } rtdpent_t;
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate /*
52*0Sstevel@tonic-gate  * Real-time class specific proc structure
53*0Sstevel@tonic-gate  */
54*0Sstevel@tonic-gate typedef struct rtproc {
55*0Sstevel@tonic-gate 	int		rt_pquantum;	/* time quantum given to this proc */
56*0Sstevel@tonic-gate 	int		rt_timeleft;	/* time remaining in procs quantum */
57*0Sstevel@tonic-gate 	pri_t		rt_pri;		/* priority within rt class */
58*0Sstevel@tonic-gate 	ushort_t	rt_flags;	/* flags defined below */
59*0Sstevel@tonic-gate 	int		rt_tqsignal;	/* time quantum signal */
60*0Sstevel@tonic-gate 	kthread_id_t	rt_tp;		/* pointer to thread */
61*0Sstevel@tonic-gate 	struct rtproc	*rt_next;	/* link to next rtproc on list */
62*0Sstevel@tonic-gate 	struct rtproc	*rt_prev;	/* link to previous rtproc on list */
63*0Sstevel@tonic-gate } rtproc_t;
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate /* Flags */
67*0Sstevel@tonic-gate #define	RTBACKQ	0x0002		/* proc goes to back of disp q when preempted */
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate #ifdef _KERNEL
71*0Sstevel@tonic-gate /*
72*0Sstevel@tonic-gate  * Kernel version of real-time class specific parameter structure
73*0Sstevel@tonic-gate  */
74*0Sstevel@tonic-gate typedef struct	rtkparms {
75*0Sstevel@tonic-gate 	pri_t	rt_pri;
76*0Sstevel@tonic-gate 	int	rt_tqntm;
77*0Sstevel@tonic-gate 	int	rt_tqsig;	/* real-time time quantum signal */
78*0Sstevel@tonic-gate 	uint_t	rt_cflags;	/* real-time control flags */
79*0Sstevel@tonic-gate } rtkparms_t;
80*0Sstevel@tonic-gate #endif	/* _KERNEL */
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate #ifdef	__cplusplus
83*0Sstevel@tonic-gate }
84*0Sstevel@tonic-gate #endif
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate #endif	/* _SYS_RT_H */
87