1 /* $OpenBSD: uthread_attr_getstack.c,v 1.1 2004/02/22 23:59:26 brad Exp $ */
2
3 /*
4 * Copyright (c) 2003 Craig Rodrigues <rodrigc@attbi.com>.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Craig Rodrigues.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY CRAIG RODRIGUES AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD: src/lib/libc_r/uthread/uthread_attr_getstack.c,v 1.1 2003/02/10 08:48:03 alfred Exp $
35 */
36
37 #include <errno.h>
38 #ifdef _THREAD_SAFE
39 #include <pthread.h>
40 #include "pthread_private.h"
41
42 int
pthread_attr_getstack(const pthread_attr_t * attr,void ** stackaddr,size_t * stacksize)43 pthread_attr_getstack(const pthread_attr_t *attr,
44 void **stackaddr,
45 size_t *stacksize)
46 {
47 int ret;
48
49 /* Check for invalid arguments: */
50 if (attr == NULL || *attr == NULL || stackaddr == NULL
51 || stacksize == NULL )
52 ret = EINVAL;
53 else {
54 /* Return the stack address and size */
55 *stackaddr = (*attr)->stackaddr_attr;
56 *stacksize = (*attr)->stacksize_attr;
57 ret = 0;
58 }
59 return(ret);
60 }
61 #endif
62