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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for Swift project authors
//
internal import _TestingInternals
#if os(Windows)
/// A bitmask that can be applied to an `HRESULT` or `NTSTATUS` value to get the
/// underlying status code.
///
/// The type of this value is `CInt` rather than `HRESULT` or `NTSTATUS` for
/// consistency between 32-bit and 64-bit Windows.
let STATUS_CODE_MASK = CInt(0xFFFF)
/// The severity and facility bits to mask against a caught signal value before
/// terminating a child process.
///
/// The type of this value is `CInt` rather than `HRESULT` or `NTSTATUS` for
/// consistency between 32-bit and 64-bit Windows. For more information about
/// the `NTSTATUS` type including its bitwise layout, see
/// [Microsoft's documentation](https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/87fba13e-bf06-450e-83b1-9241dc81e781).
let STATUS_SIGNAL_CAUGHT_BITS = {
var result = CInt(0)
// Set the severity and status bits.
result |= CInt(STATUS_SEVERITY_ERROR) << 30
result |= 1 << 29 // "Customer" bit
// We only have 12 facility bits, but we'll pretend they spell out "s6", short
// for "Swift 6" of course.
//
// We're camping on a specific "facility" code here that we don't think is
// otherwise in use; if it conflicts with an exit test, we can add an
// environment variable lookup so callers can override us.
let FACILITY_SWIFT6 = ((CInt(UInt8(ascii: "s")) << 4) | 6)
result |= FACILITY_SWIFT6 << 16
#if DEBUG
assert(
(result & STATUS_CODE_MASK) == 0,
"Constructed NTSTATUS mask \(String(result, radix: 16)) encroached on code bits. Please file a bug report at https://github.com/swiftlang/swift-testing/issues/new"
)
#endif
return result
}()
#endif
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