| /* Copyright (C) 2002-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| |
| 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; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "pthreadP.h" |
| |
| int |
| pthread_tryjoin_np (pthread_t threadid, void **thread_return) |
| { |
| /* Return right away if the thread hasn't terminated yet. */ |
| struct pthread *pd = (struct pthread *) threadid; |
| if (pd->tid != 0) |
| return EBUSY; |
| |
| /* If pd->tid != 0 then lll_wait_tid will not block on futex |
| operation. */ |
| return __pthread_timedjoin_ex (threadid, thread_return, NULL, false); |
| } |
