/* Copyright (C) 2002-2025 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; if not, see . */ #include "pthreadP.h" #include int __pthread_tryjoin_np (pthread_t threadid, void **thread_return) { /* The joinable state (THREAD_STATE_JOINABLE) is straigthforward since the thread hasn't finished yet and trying to join might block. The exiting thread (THREAD_STATE_EXITING) also migth result in a blocking call: a detached thread might change its state to exiting and a exiting thread my take some time to exit (and thus let the kernel set the state to THREAD_STATE_EXITED). */ struct pthread *pd = (struct pthread *) threadid; return atomic_load_acquire (&pd->joinstate) != THREAD_STATE_EXITED ? EBUSY : __pthread_clockjoin_ex (threadid, thread_return, 0, NULL); } versioned_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_34); #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34) compat_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_3_3); #endif