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 /* 37 * contains definitions for variables for IEEE floating-point arithmetic 38 * modes; IEEE floating-point arithmetic exception handling; 39 */ 40 41 #include "lint.h" 42 #include <thread.h> 43 #include <synch.h> 44 #include <mtlib.h> 45 #include "tsd.h" 46 47 int __inf_read, __inf_written, __nan_read, __nan_written; 48 49 /* 50 * Per-thread instances (thread-specific data) of the above globals. 51 */ 52 typedef struct { 53 int __inf_read; 54 int __inf_written; 55 int __nan_read; 56 int __nan_written; 57 } fpvars_t; 58 59 #define fpvars ((fpvars_t *)tsdalloc(_T_FP_GET, sizeof (fpvars_t), NULL)) 60 61 int * 62 _thrp_get_nan_written() 63 { 64 return (thr_main() ? &__nan_written : &fpvars->__nan_written); 65 } 66 67 int * 68 _thrp_get_nan_read() 69 { 70 return (thr_main() ? &__nan_read : &fpvars->__nan_read); 71 } 72 73 int * 74 _thrp_get_inf_written() 75 { 76 return (thr_main() ? &__inf_written : &fpvars->__inf_written); 77 } 78 79 int * 80 _thrp_get_inf_read() 81 { 82 return (thr_main() ? &__inf_read : &fpvars->__inf_read); 83 } 84