1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* pthread_getname_np -- Get thread name.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <pthreadP.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/ptrace.h>
int
pthread_getname_np (pthread_t th, char *buf, size_t len)
{
const struct pthread *pd = (const struct pthread *) th;
struct ptrace_lwpinfo ti;
int res;
ti.pl_tdname[0] = 0;
res = ptrace(PT_LWPINFO, pd->tid, (caddr_t)&ti, sizeof(struct ptrace_lwpinfo));
if (res != 0)
return errno;
res = strlen(ti.pl_tdname);
if (len < (res+1))
return ERANGE;
memcpy(buf, ti.pl_tdname, res+1);
return 0;
}
|
