| 1 | /* Free resources stored in thread-local variables on thread exit. | 
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| 2 | Copyright (C) 2003-2020 Free Software Foundation, Inc. | 
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| 3 | This file is part of the GNU C Library. | 
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| 4 |  | 
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| 5 | The GNU C Library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Lesser General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2.1 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Lesser General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Lesser General Public | 
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| 16 | License along with the GNU C Library; if not, see | 
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| 17 | <https://www.gnu.org/licenses/>.  */ | 
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| 18 |  | 
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| 19 | #include <libc-internal.h> | 
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| 20 | #include <malloc-internal.h> | 
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| 21 | #include <resolv/resolv-internal.h> | 
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| 22 | #include <rpc/rpc.h> | 
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| 23 | #include <string.h> | 
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| 24 | #include <tls-internal.h> | 
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| 25 | #include <shlib-compat.h> | 
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| 26 |  | 
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| 27 | /* Thread shutdown function.  Note that this function must be called | 
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| 28 | for threads during shutdown for correctness reasons.  Unlike | 
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| 29 | __libc_subfreeres, skipping calls to it is not a valid optimization. | 
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| 30 | This is called directly from pthread_create as the thread exits.  */ | 
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| 31 | void | 
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| 32 | __libc_thread_freeres (void) | 
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| 33 | { | 
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| 34 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_32) | 
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| 35 | __rpc_thread_destroy (); | 
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| 36 | #endif | 
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| 37 | call_function_static_weak (__res_thread_freeres); | 
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| 38 | __glibc_tls_internal_free (); | 
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| 39 |  | 
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| 40 | /* This should come last because it shuts down malloc for this | 
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| 41 | thread and the other shutdown functions might well call free.  */ | 
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| 42 | call_function_static_weak (__malloc_arena_thread_freeres); | 
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| 43 | } | 
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| 44 |  | 
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