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