1/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include "pthreadP.h"
20#include <shlib-compat.h>
21
22int
23__pthread_tryjoin_np (pthread_t threadid, void **thread_return)
24{
25 /* Return right away if the thread hasn't terminated yet. */
26 struct pthread *pd = (struct pthread *) threadid;
27 if (pd->tid != 0)
28 return EBUSY;
29
30 /* If pd->tid == 0 then lll_wait_tid will not block on futex
31 operation. */
32 return __pthread_clockjoin_ex (threadid, thread_return, 0 /* Ignored */,
33 NULL, false);
34}
35versioned_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_34);
36
37#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34)
38compat_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_3_3);
39#endif
40