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[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3

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Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3
License: MIT
This commit is contained in:
Timo Kreuzer 2024-05-11 07:03:12 +02:00
parent f1b60c66f0
commit 04e0dc4a7a
568 changed files with 115483 additions and 0 deletions
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83
sdk/lib/ucrt/conio/initcon.cpp Normal file
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//
// initcon.cpp
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Defines the global console output handle and the __dcrt_lowio_initialize_console_output() and
// __dcrt_terminate_console_output() functions, which initialize and close that handle.
// Also defines functions that can be used instead of the Console API to enable retry behavior
// in case the cached console handle is freed.
#include <corecrt_internal_lowio.h>
_CRT_LINKER_FORCE_INCLUDE(__dcrt_console_output_terminator);
// The global console output handle.
static HANDLE __dcrt_lowio_console_output_handle = _console_uninitialized_handle;
// Initializes the global console output handle
static void __dcrt_lowio_initialize_console_output()
{
__dcrt_lowio_console_output_handle = CreateFileW(
L"CONOUT$",
GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
nullptr,
OPEN_EXISTING,
0,
nullptr);
}
extern "C" BOOL __cdecl __dcrt_lowio_ensure_console_output_initialized()
{
if (__dcrt_lowio_console_output_handle == _console_uninitialized_handle)
{
__dcrt_lowio_initialize_console_output();
}
if (__dcrt_lowio_console_output_handle == _console_invalid_handle)
{
return FALSE;
}
return TRUE;
}
// Closes the global console output handle
extern "C" void __cdecl __dcrt_terminate_console_output()
{
if ( __dcrt_lowio_console_output_handle != _console_invalid_handle
&& __dcrt_lowio_console_output_handle != _console_uninitialized_handle)
{
CloseHandle(__dcrt_lowio_console_output_handle);
}
}
template <typename Func>
static BOOL console_output_reopen_and_retry(Func const& fp) throw()
{
BOOL result = fp();
if (!result && GetLastError() == ERROR_INVALID_HANDLE) {
__dcrt_terminate_console_output();
__dcrt_lowio_initialize_console_output();
result = fp();
}
return result;
}
extern "C" BOOL __cdecl __dcrt_write_console(
_In_ void const * lpBuffer,
_In_ DWORD nNumberOfCharsToWrite,
_Out_ LPDWORD lpNumberOfCharsWritten
)
{
return console_output_reopen_and_retry(
[lpBuffer, nNumberOfCharsToWrite, lpNumberOfCharsWritten]()
{
return ::WriteConsoleW(
__dcrt_lowio_console_output_handle,
lpBuffer,
nNumberOfCharsToWrite,
lpNumberOfCharsWritten,
nullptr);
});
}