1/* Copyright (C) 2002-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include "pthreadP.h"
19#include <shlib-compat.h>
20
21int
22__pthread_tryjoin_np (pthread_t threadid, void **thread_return)
23{
24 /* Return right away if the thread hasn't terminated yet. */
25 struct pthread *pd = (struct pthread *) threadid;
26 if (pd->tid != 0)
27 return EBUSY;
28
29 /* If pd->tid == 0 then lll_wait_tid will not block on futex
30 operation. */
31 return __pthread_clockjoin_ex (threadid, thread_return, 0 /* Ignored */,
32 NULL, false);
33}
34versioned_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_34);
35
36#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34)
37compat_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_3_3);
38#endif
39