xref: /freebsd/lib/libthr/thread/thr_info.c (revision 8ef24a0d4b28fe230e20637f56869cc4148cd2ca)
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 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include "namespace.h"
34 #include <stdlib.h>
35 #include <string.h>
36 #include <pthread.h>
37 #include <pthread_np.h>
38 #include "un-namespace.h"
39 
40 #include "thr_private.h"
41 
42 __weak_reference(_pthread_set_name_np, pthread_set_name_np);
43 
44 /* Set the thread name for debug. */
45 void
46 _pthread_set_name_np(pthread_t thread, const char *name)
47 {
48 	struct pthread *curthread = _get_curthread();
49 	int ret = 0;
50 
51 	if (curthread == thread) {
52 		if (thr_set_name(thread->tid, name))
53 			ret = errno;
54 	} else {
55 		if ((ret=_thr_find_thread(curthread, thread, 0)) == 0) {
56 			if (thread->state != PS_DEAD) {
57 				if (thr_set_name(thread->tid, name))
58 					ret = errno;
59 			}
60 			THR_THREAD_UNLOCK(curthread, thread);
61 		}
62 	}
63 #if 0
64 	/* XXX should return error code. */
65 	return (ret);
66 #endif
67 }
68