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Fix GetNamedPipeHandleStateW on non-desktop Windows API partitions (GH-134049)

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Max Bachmann 2025-05-15 22:12:10 +02:00 • committed by GitHub
parent 52a7a22a6b
commit 20095fb29a
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37
Python/fileutils.c
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@ -2784,6 +2784,43 @@ error:
return -1;
}
#else /* MS_WINDOWS */
// The Windows Games API family doesn't expose GetNamedPipeHandleStateW so attempt
// to load it directly from the Kernel32.dll
#if !defined(MS_WINDOWS_APP) && !defined(MS_WINDOWS_SYSTEM)
BOOL
GetNamedPipeHandleStateW(HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances, LPDWORD lpMaxCollectionCount,
LPDWORD lpCollectDataTimeout, LPWSTR lpUserName, DWORD nMaxUserNameSize)
{
static int initialized = 0;
typedef BOOL(__stdcall* PGetNamedPipeHandleStateW) (
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances, LPDWORD lpMaxCollectionCount,
LPDWORD lpCollectDataTimeout, LPWSTR lpUserName, DWORD nMaxUserNameSize);
static PGetNamedPipeHandleStateW _GetNamedPipeHandleStateW;
if (initialized == 0) {
HMODULE api = LoadLibraryExW(L"Kernel32.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
if (api) {
_GetNamedPipeHandleStateW = (PGetNamedPipeHandleStateW)GetProcAddress(
api, "GetNamedPipeHandleStateW");
}
else {
_GetNamedPipeHandleStateW = NULL;
}
initialized = 1;
}
if (!_GetNamedPipeHandleStateW) {
SetLastError(E_NOINTERFACE);
return FALSE;
}
return _GetNamedPipeHandleStateW(
hNamedPipe, lpState, lpCurInstances, lpMaxCollectionCount, lpCollectDataTimeout, lpUserName, nMaxUserNameSize
);
}
#endif /* !MS_WINDOWS_APP && !MS_WINDOWS_SYSTEM */
int
_Py_get_blocking(int fd)
{