thr_info.c revision 256281 
1/*
2 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
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 * 3. Neither the name of the author nor the names of any co-contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/10/lib/libthr/thread/thr_info.c 238644 2012-07-20 03:37:19Z davidxu $
30 */
31
32#include "namespace.h"
33#include <stdlib.h>
34#include <string.h>
35#include <pthread.h>
36#include <pthread_np.h>
37#include "un-namespace.h"
38
39#include "thr_private.h"
40
41__weak_reference(_pthread_set_name_np, pthread_set_name_np);
42
43/* Set the thread name for debug. */
44void
45_pthread_set_name_np(pthread_t thread, const char *name)
46{
47	struct pthread *curthread = _get_curthread();
48	int ret = 0;
49
50	if (curthread == thread) {
51		if (thr_set_name(thread->tid, name))
52			ret = errno;
53	} else {
54		if ((ret=_thr_find_thread(curthread, thread, 0)) == 0) {
55			if (thread->state != PS_DEAD) {
56				if (thr_set_name(thread->tid, name))
57					ret = errno;
58			}
59			THR_THREAD_UNLOCK(curthread, thread);
60		}
61	}
62#if 0
63	/* XXX should return error code. */
64	return (ret);
65#endif
66}
67