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These must use a local table and cannot use the one from ucrtbase. The table is initialized with a .CRT section initializer.
34 lines
837 B
C
34 lines
837 B
C
//
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// _onexit.c
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//
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// Copyright (c) 2024 Timo Kreuzer
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//
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// Implementation of _onexit.
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//
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// SPDX-License-Identifier: MIT
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//
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#include <stdlib.h>
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#include <internal_shared.h>
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#include <corecrt_startup.h>
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#include <assert.h>
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_onexit_table_t module_local_atexit_table;
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int module_local_atexit_table_initialized = 0;
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int __cdecl __scrt_initialize_onexit(void)
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{
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_initialize_onexit_table(&module_local_atexit_table);
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module_local_atexit_table_initialized = 1;
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return 0;
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}
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// CRT startup initializer
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_CRTALLOC(".CRT$XIAA") _PIFV const __scrt_onexit_initializer = __scrt_initialize_onexit;
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_onexit_t __cdecl _onexit(_In_opt_ _onexit_t _Func)
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{
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assert(module_local_atexit_table_initialized == 1);
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int result = _register_onexit_function(&module_local_atexit_table, _Func);
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return (result == 0) ? _Func : NULL;
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}
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