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https://github.com/Chuyu-Team/VC-LTL5.git
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mingkuang
61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
//
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// unexpected.cpp
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// The unexpected handler
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//
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#include <eh.h>
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#include <vcruntime_internal.h>
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#include <framework.h>
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#if 0
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static unexpected_handler __cdecl get_unexpected_or_default(
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RENAME_BASE_PTD(__vcrt_ptd) const* const ptd
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) noexcept
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{
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return ptd->_unexpected ? ptd->_unexpected : &terminate;
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}
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#endif
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#if WindowsTargetPlatformMinVersion < __MakeVersion(10, 0, 10240)
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extern "C" unexpected_handler __cdecl _get_unexpected() noexcept
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{
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//return get_unexpected_or_default(RENAME_BASE_PTD(__vcrt_getptd)());
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//通过二次调用 set_unexpected 获得
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auto old_handler = set_unexpected(nullptr);
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set_unexpected(old_handler);
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return old_handler;
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}
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_LCRT_DEFINE_IAT_SYMBOL(_get_unexpected);
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#endif
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#if 0
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extern "C" unexpected_handler __cdecl set_unexpected(
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unexpected_handler const new_handler
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) noexcept
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{
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RENAME_BASE_PTD(__vcrt_ptd)* const ptd = RENAME_BASE_PTD(__vcrt_getptd)();
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unexpected_handler const old_handler = get_unexpected_or_default(ptd);
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ptd->_unexpected = new_handler;
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return old_handler;
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}
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#endif
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#if 0
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extern "C" void __cdecl unexpected() noexcept(false)
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{
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unexpected_handler const handler = RENAME_BASE_PTD(__vcrt_getptd)()->_unexpected;
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if (handler)
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{
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handler();
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}
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terminate();
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}
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#endif
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