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解决 GetGlobalKeyedEventHandle，WinXP模式与Vista模式 ABI不兼容问题。

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This commit is contained in:
mingkuang
2019-09-05 10:58:19 +08:00
parent cef2129ebe
commit cd601ef7f2
1 changed files with 26 additions and 23 deletions
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src/YY_Thunks.cpp
+26 -23
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@@ -278,36 +278,39 @@ namespace YY
static HANDLE __fastcall GetGlobalKeyedEventHandle()
{
#if (YY_Thunks_Support_Version < NTDDI_WIN6)
if (_GlobalKeyedEventHandle == nullptr)
//Windows XP等平台则 使用系统自身的 CritSecOutOfMemoryEvent，Vista或者更高平台 我们直接返回 nullptr 即可。
if (NtCurrentTeb()->ProcessEnvironmentBlock->OSMajorVersion < 6)
{
auto pNtOpenKeyedEvent = try_get_NtOpenKeyedEvent();
if(pNtOpenKeyedEvent == nullptr)
RaiseStatus(STATUS_RESOURCE_NOT_OWNED);
constexpr const wchar_t Name[] = L"\\KernelObjects\\CritSecOutOfMemoryEvent";
UNICODE_STRING ObjectName = {sizeof(Name) - sizeof(wchar_t),sizeof(Name) - sizeof(wchar_t) ,(PWSTR)Name };
OBJECT_ATTRIBUTES attr = { sizeof(attr),nullptr,&ObjectName };
HANDLE KeyedEventHandle;
if (pNtOpenKeyedEvent(&KeyedEventHandle, MAXIMUM_ALLOWED, &attr) < 0)
if (_GlobalKeyedEventHandle == nullptr)
{
RaiseStatus(STATUS_RESOURCE_NOT_OWNED);
auto pNtOpenKeyedEvent = try_get_NtOpenKeyedEvent();
if(pNtOpenKeyedEvent == nullptr)
RaiseStatus(STATUS_RESOURCE_NOT_OWNED);
constexpr const wchar_t Name[] = L"\\KernelObjects\\CritSecOutOfMemoryEvent";
UNICODE_STRING ObjectName = {sizeof(Name) - sizeof(wchar_t),sizeof(Name) - sizeof(wchar_t) ,(PWSTR)Name };
OBJECT_ATTRIBUTES attr = { sizeof(attr),nullptr,&ObjectName };
HANDLE KeyedEventHandle;
if (pNtOpenKeyedEvent(&KeyedEventHandle, MAXIMUM_ALLOWED, &attr) < 0)
{
RaiseStatus(STATUS_RESOURCE_NOT_OWNED);
}
if (InterlockedCompareExchange((size_t*)&_GlobalKeyedEventHandle, (size_t)KeyedEventHandle, (size_t)nullptr))
{
CloseHandle(KeyedEventHandle);
}
}
if (InterlockedCompareExchange((size_t*)&_GlobalKeyedEventHandle, (size_t)KeyedEventHandle, (size_t)nullptr))
{
CloseHandle(KeyedEventHandle);
}
return _GlobalKeyedEventHandle;
}
return _GlobalKeyedEventHandle;
#else
#endif
//Vista以上平台支持给 KeyedEvent直接传 nullptr
return nullptr;
#endif
}
#if (YY_Thunks_Support_Version < NTDDI_WIN6)