thr_attr_get_np.c revision 113658 
1/*
2 * Copyright (c) 2002,2003 Alexey Zelkin <phantom@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/libkse/thread/thr_attr_get_np.c 113658 2003-04-18 05:04:16Z deischen $
27 */
28#include <errno.h>
29#include <string.h>
30#include <pthread.h>
31#include <pthread_np.h>
32#include "thr_private.h"
33
34__weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
35
36int
37_pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst)
38{
39	struct pthread *curthread;
40	int	ret;
41
42	if (pid == NULL || dst == NULL || *dst == NULL)
43		return (EINVAL);
44
45	curthread = _get_curthread();
46	if ((ret = _thr_ref_add(curthread, pid, /*include dead*/0)) != 0)
47		return (ret);
48
49	memcpy(*dst, &pid->attr, sizeof(struct pthread_attr));
50	_thr_ref_delete(curthread, pid);
51
52	return (0);
53}
54