/* 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);

}