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.
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.
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]
22 * This header file distributed under the terms of the CDDL.
23 * Portions Copyright 2008 Sun Microsystems, Inc. All Rights reserved.
35 stack_getbounds(stack_t *sp)
40 rc = pthread_getattr_np(pthread_self(), &attr);
44 rc = pthread_attr_getstack(&attr, &sp->ss_sp, &sp->ss_size);
48 pthread_attr_destroy(&attr);
54 thr_stksegment(stack_t *sp)
58 rc = stack_getbounds(sp);
62 /* thr_stksegment() is expected to set sp.ss_sp to the high stack
63 * address, but the stack_getbounds() interface is expected to
64 * set sp.ss_sp to the low address. Adjust accordingly. */
65 sp->ss_sp = (void *)(((uintptr_t)sp->ss_sp) + sp->ss_size);
71 #endif /* __USE_GNU */
72 #endif /* _SYS_STACK_H */