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WSLA: restore console mode when wsl.exe --wsla exits

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This commit is contained in:
Ben Hillis 2025-12-05 14:47:20 -08:00
parent 2e8479a552
commit 76f4c6c347
1 changed files with 20 additions and 15 deletions
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35
src/windows/common/WslClient.cpp
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@ -1666,23 +1666,28 @@ int WslaShell(_In_ std::wstring_view commandLine)
process.emplace(std::move(initProcess), std::move(fds));
}
// Save original console modes so they can be restored on exit.
DWORD OriginalInputMode{};
DWORD OriginalOutputMode{};
UINT OriginalOutputCP = GetConsoleOutputCP();
THROW_LAST_ERROR_IF(!::GetConsoleMode(Stdin, &OriginalInputMode));
THROW_LAST_ERROR_IF(!::GetConsoleMode(Stdout, &OriginalOutputMode));
auto restoreConsoleMode = wil::scope_exit_log(WI_DIAGNOSTICS_INFO, [&] {
SetConsoleMode(Stdin, OriginalInputMode);
SetConsoleMode(Stdout, OriginalOutputMode);
SetConsoleOutputCP(OriginalOutputCP);
});
// Configure console for interactive usage.
{
DWORD OutputMode{};
THROW_LAST_ERROR_IF(!::GetConsoleMode(Stdout, &OutputMode));
DWORD InputMode = OriginalInputMode;
WI_SetAllFlags(InputMode, (ENABLE_WINDOW_INPUT | ENABLE_VIRTUAL_TERMINAL_INPUT));
WI_ClearAllFlags(InputMode, (ENABLE_ECHO_INPUT | ENABLE_INSERT_MODE | ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT));
THROW_IF_WIN32_BOOL_FALSE(::SetConsoleMode(Stdin, InputMode));
WI_SetAllFlags(OutputMode, ENABLE_PROCESSED_OUTPUT | ENABLE_VIRTUAL_TERMINAL_PROCESSING | DISABLE_NEWLINE_AUTO_RETURN);
THROW_IF_WIN32_BOOL_FALSE(SetConsoleMode(Stdout, OutputMode));
}
{
DWORD InputMode{};
THROW_LAST_ERROR_IF(!::GetConsoleMode(Stdin, &InputMode));
WI_SetAllFlags(InputMode, (ENABLE_WINDOW_INPUT | ENABLE_VIRTUAL_TERMINAL_INPUT));
WI_ClearAllFlags(InputMode, (ENABLE_ECHO_INPUT | ENABLE_INSERT_MODE | ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT));
THROW_IF_WIN32_BOOL_FALSE(SetConsoleMode(Stdin, InputMode));
}
DWORD OutputMode = OriginalOutputMode;
WI_SetAllFlags(OutputMode, ENABLE_PROCESSED_OUTPUT | ENABLE_VIRTUAL_TERMINAL_PROCESSING | DISABLE_NEWLINE_AUTO_RETURN);
THROW_IF_WIN32_BOOL_FALSE(::SetConsoleMode(Stdout, OutputMode));
THROW_LAST_ERROR_IF(!::SetConsoleOutputCP(CP_UTF8));