| 1 | /* Copyright (C) 2002-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include "pthreadP.h" |
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| 19 | #include <shlib-compat.h> |
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| 20 | |
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| 21 | int |
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| 22 | __pthread_tryjoin_np (pthread_t threadid, void **thread_return) |
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| 23 | { |
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| 24 | /* Return right away if the thread hasn't terminated yet. */ |
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| 25 | struct pthread *pd = (struct pthread *) threadid; |
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| 26 | if (pd->tid != 0) |
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| 27 | return EBUSY; |
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| 28 | |
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| 29 | /* If pd->tid == 0 then lll_wait_tid will not block on futex |
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| 30 | operation. */ |
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| 31 | return __pthread_clockjoin_ex (threadid, thread_return, 0 /* Ignored */, |
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| 32 | NULL, false); |
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| 33 | } |
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| 34 | versioned_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_34); |
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| 35 | |
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| 36 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_34) |
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| 37 | compat_symbol (libc, __pthread_tryjoin_np, pthread_tryjoin_np, GLIBC_2_3_3); |
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| 38 | #endif |
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| 39 | |
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