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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
public import Foundation
import SWBLibc
#if os(Windows)
#if canImport(System)
import System
#else
import SystemPackage
#endif
#endif
// Defined in System.framework's sys/resource.h, but not available to Swift
fileprivate let IOPOL_TYPE_VFS_HFS_CASE_SENSITIVITY: Int32 = 1
extension ProcessInfo {
public var userID: Int {
#if os(Windows)
return 0
#else
return Int(getuid())
#endif
}
public var effectiveUserID: Int {
#if os(Windows)
return 0
#else
return Int(geteuid())
#endif
}
public var groupID: Int {
#if os(Windows)
return 0
#else
return Int(getgid())
#endif
}
public var effectiveGroupID: Int {
#if os(Windows)
return 0
#else
return Int(getegid())
#endif
}
public var shortUserName: String {
#if os(Windows)
var capacity = UNLEN + 1
let pointer = UnsafeMutablePointer<CInterop.PlatformChar>.allocate(capacity: Int(capacity))
defer { pointer.deallocate() }
if GetUserNameW(pointer, &capacity) {
return String(platformString: pointer)
}
return ""
#else
let uid = geteuid().orIfZero(getuid())
return (getpwuid(uid)?.pointee.pw_name).map { String(cString: $0) } ?? String(uid)
#endif
}
public var shortGroupName: String {
#if os(Windows)
return ""
#else
let gid = getegid().orIfZero(getgid())
return (getgrgid(gid)?.pointee.gr_name).map { String(cString: $0) } ?? String(gid)
#endif
}
public var cleanEnvironment: [String: String] {
// https://github.com/apple/swift-foundation/issues/847
environment.filter { !$0.key.hasPrefix("=") }
}
public var isRunningUnderFilesystemCaseSensitivityIOPolicy: Bool {
#if os(macOS)
return getiopolicy_np(IOPOL_TYPE_VFS_HFS_CASE_SENSITIVITY, IOPOL_SCOPE_PROCESS) == 1
#else
return false
#endif
}
public func hostOperatingSystem() throws -> OperatingSystem {
#if os(Windows)
return .windows
#elseif os(Linux)
return .linux
#elseif os(FreeBSD)
return .freebsd
#elseif os(OpenBSD)
return .openbsd
#else
if try FileManager.default.isReadableFile(atPath: systemVersionPlistURL.filePath.str) {
switch try systemVersion().productName {
case "Mac OS X", "macOS":
return .macOS
case "iPhone OS":
return .iOS(simulator: simulatorRoot != nil)
case "Apple TVOS":
return .tvOS(simulator: simulatorRoot != nil)
case "Watch OS":
return .watchOS(simulator: simulatorRoot != nil)
case "xrOS":
return .visionOS(simulator: simulatorRoot != nil)
default:
break
}
}
return .unknown
#endif
}
}
public enum OperatingSystem: Hashable, Sendable {
case macOS
case iOS(simulator: Bool)
case tvOS(simulator: Bool)
case watchOS(simulator: Bool)
case visionOS(simulator: Bool)
case windows
case linux
case freebsd
case openbsd
case android
case unknown
/// Whether the operating system is any Apple platform except macOS.
public var isAppleEmbedded: Bool {
switch self {
case .iOS, .tvOS, .watchOS, .visionOS:
return true
default:
return false
}
}
public var isSimulator: Bool {
switch self {
case let .iOS(simulator), let .tvOS(simulator), let .watchOS(simulator), let .visionOS(simulator):
return simulator
default:
return false
}
}
public var imageFormat: ImageFormat {
switch self {
case .macOS, .iOS, .tvOS, .watchOS, .visionOS:
return .macho
case .windows:
return .pe
case .linux, .freebsd, .openbsd, .android, .unknown:
return .elf
}
}
}
public enum ImageFormat {
case macho
case elf
case pe
}
extension ImageFormat {
public var executableExtension: String {
switch self {
case .macho, .elf:
return ""
case .pe:
return "exe"
}
}
public func executableName(basename: String) -> String {
executableExtension.nilIfEmpty.map { [basename, $0].joined(separator: ".") } ?? basename
}
public var dynamicLibraryExtension: String {
switch self {
case .macho:
return "dylib"
case .elf:
return "so"
case .pe:
return "dll"
}
}
public var requiresSwiftAutolinkExtract: Bool {
switch self {
case .macho:
return false
case .elf:
return true
case .pe:
return false
}
}
public var requiresSwiftModulewrap: Bool {
switch self {
case .macho:
return false
default:
return true
}
}
}
extension FixedWidthInteger {
fileprivate func orIfZero(_ other: Self) -> Self {
return self != 0 ? self : other
}
}
|
