/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * 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. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T * All Rights Reserved * * Portions of this source code were derived from Berkeley * 4.3 BSD under license from the regents of the University of * California. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * contains definitions for variables for IEEE floating-point arithmetic * modes; IEEE floating-point arithmetic exception handling; */ #include "lint.h" #include <thread.h> #include <synch.h> #include <mtlib.h> #include "tsd.h" int __inf_read, __inf_written, __nan_read, __nan_written; /* * Per-thread instances (thread-specific data) of the above globals. */ typedef struct { int __inf_read; int __inf_written; int __nan_read; int __nan_written; } fpvars_t; #define fpvars ((fpvars_t *)tsdalloc(_T_FP_GET, sizeof (fpvars_t), NULL)) int * _thrp_get_nan_written() { return (thr_main() ? &__nan_written : &fpvars->__nan_written); } int * _thrp_get_nan_read() { return (thr_main() ? &__nan_read : &fpvars->__nan_read); } int * _thrp_get_inf_written() { return (thr_main() ? &__inf_written : &fpvars->__inf_written); } int * _thrp_get_inf_read() { return (thr_main() ? &__inf_read : &fpvars->__inf_read); }