| 1 | /* pthread_atfork supports handlers that call pthread_atfork or dlclose. |
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| 2 | Copyright (C) 2022-2024 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 <pthread.h> |
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| 20 | #include <stdlib.h> |
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| 21 | |
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| 22 | /* This dynamically loaded library simply registers its atfork handlers when |
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| 23 | asked to. The atfork handlers should never be executed because the |
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| 24 | library is unloaded before fork is called by the test program. */ |
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| 25 | |
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| 26 | static void |
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| 27 | prepare (void) |
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| 28 | { |
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| 29 | abort (); |
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| 30 | } |
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| 31 | |
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| 32 | static void |
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| 33 | parent (void) |
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| 34 | { |
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| 35 | abort (); |
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| 36 | } |
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| 37 | |
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| 38 | static void |
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| 39 | child (void) |
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| 40 | { |
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| 41 | abort (); |
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| 42 | } |
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| 43 | |
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| 44 | void |
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| 45 | reg_atfork_handlers (void) |
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| 46 | { |
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| 47 | pthread_atfork (prepare: prepare, parent: parent, child: child); |
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| 48 | } |
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| 49 | |
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