1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T
29 * All Rights Reserved
30 *
31 * Portions of this source code were derived from Berkeley
32 * 4.3 BSD under license from the regents of the University of
33 * California.
34 */
35
36#pragma ident	"%Z%%M%	%I%	%E% SMI"
37
38/*
39 * contains definitions for variables for IEEE floating-point arithmetic
40 * modes; IEEE floating-point arithmetic exception handling;
41 */
42
43#include "lint.h"
44#include <thread.h>
45#include <synch.h>
46#include <mtlib.h>
47#include "tsd.h"
48
49int __inf_read, __inf_written, __nan_read, __nan_written;
50
51/*
52 * Per-thread instances (thread-specific data) of the above globals.
53 */
54typedef struct {
55	int	__inf_read;
56	int	__inf_written;
57	int	__nan_read;
58	int	__nan_written;
59} fpvars_t;
60
61#define	fpvars	((fpvars_t *)tsdalloc(_T_FP_GET, sizeof (fpvars_t), NULL))
62
63int *
64_thrp_get_nan_written()
65{
66	return (thr_main() ? &__nan_written : &fpvars->__nan_written);
67}
68
69int *
70_thrp_get_nan_read()
71{
72	return (thr_main() ? &__nan_read : &fpvars->__nan_read);
73}
74
75int *
76_thrp_get_inf_written()
77{
78	return (thr_main() ? &__inf_written : &fpvars->__inf_written);
79}
80
81int *
82_thrp_get_inf_read()
83{
84	return (thr_main() ? &__inf_read : &fpvars->__inf_read);
85}
86