Files
swift-mirror/stdlib/public/Platform/Platform.swift
3405691582 5847726f51 Preliminary support for OpenBSD in the stdlib.
These should hopefully all be uncontroversial, minimal changes to deal
with progressing the build to completion on OpenBSD or addressing minor
portability issues. This is not the full set of changes to get a
successful build; other portability issues will be addressed in future
commits.

Most of this is just adding the relevant clauses to the ifdefs, but of
note in this commit:

* StdlibUnittest.swift: the default conditional in _getOSVersion assumes
  an Apple platform, therefore the explicit conditional and the relevant
  enums need filling out. The default conditional should be #error, but
  we'll fix this in a different commit.

* tgmath.swift.gyb: inexplicably, OpenBSD is missing just lgammal_r.
  Tests are updated correspondingly.

* ThreadLocalStorage.h: we use the pthread implementation, so it
  seems we should typedef __swift_thread_key_t as pthread_key_t.
  However, that's also a tweak for another commit.
2020-03-01 12:50:06 -05:00

429 lines
12 KiB
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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 the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftShims
import SwiftOverlayShims
#if os(Windows)
import ucrt
#endif
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
//===----------------------------------------------------------------------===//
// MacTypes.h
//===----------------------------------------------------------------------===//
public var noErr: OSStatus { return 0 }
/// The `Boolean` type declared in MacTypes.h and used throughout Core
/// Foundation.
///
/// The C type is a typedef for `unsigned char`.
@frozen
public struct DarwinBoolean : ExpressibleByBooleanLiteral {
@usableFromInline var _value: UInt8
@_transparent
public init(_ value: Bool) {
self._value = value ? 1 : 0
}
/// The value of `self`, expressed as a `Bool`.
@_transparent
public var boolValue: Bool {
return _value != 0
}
/// Create an instance initialized to `value`.
@_transparent
public init(booleanLiteral value: Bool) {
self.init(value)
}
}
extension DarwinBoolean : CustomReflectable {
/// Returns a mirror that reflects `self`.
public var customMirror: Mirror {
return Mirror(reflecting: boolValue)
}
}
extension DarwinBoolean : CustomStringConvertible {
/// A textual representation of `self`.
public var description: String {
return self.boolValue.description
}
}
extension DarwinBoolean : Equatable {
@_transparent
public static func ==(lhs: DarwinBoolean, rhs: DarwinBoolean) -> Bool {
return lhs.boolValue == rhs.boolValue
}
}
@_transparent
public // COMPILER_INTRINSIC
func _convertBoolToDarwinBoolean(_ x: Bool) -> DarwinBoolean {
return DarwinBoolean(x)
}
@_transparent
public // COMPILER_INTRINSIC
func _convertDarwinBooleanToBool(_ x: DarwinBoolean) -> Bool {
return x.boolValue
}
#endif
//===----------------------------------------------------------------------===//
// sys/errno.h
//===----------------------------------------------------------------------===//
public var errno : Int32 {
get {
return _swift_stdlib_getErrno()
}
set(val) {
return _swift_stdlib_setErrno(val)
}
}
//===----------------------------------------------------------------------===//
// stdio.h
//===----------------------------------------------------------------------===//
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) || os(FreeBSD) || os(PS4)
public var stdin : UnsafeMutablePointer<FILE> {
get {
return __stdinp
}
set {
__stdinp = newValue
}
}
public var stdout : UnsafeMutablePointer<FILE> {
get {
return __stdoutp
}
set {
__stdoutp = newValue
}
}
public var stderr : UnsafeMutablePointer<FILE> {
get {
return __stderrp
}
set {
__stderrp = newValue
}
}
public func dprintf(_ fd: Int, _ format: UnsafePointer<Int8>, _ args: CVarArg...) -> Int32 {
return withVaList(args) { va_args in
vdprintf(Int32(fd), format, va_args)
}
}
public func snprintf(ptr: UnsafeMutablePointer<Int8>, _ len: Int, _ format: UnsafePointer<Int8>, _ args: CVarArg...) -> Int32 {
return withVaList(args) { va_args in
return vsnprintf(ptr, len, format, va_args)
}
}
#elseif os(Windows)
public var stdin: UnsafeMutablePointer<FILE> { return __acrt_iob_func(0) }
public var stdout: UnsafeMutablePointer<FILE> { return __acrt_iob_func(1) }
public var stderr: UnsafeMutablePointer<FILE> { return __acrt_iob_func(2) }
public var STDIN_FILENO: Int32 { return _fileno(stdin) }
public var STDOUT_FILENO: Int32 { return _fileno(stdout) }
public var STDERR_FILENO: Int32 { return _fileno(stderr) }
#endif
//===----------------------------------------------------------------------===//
// fcntl.h
//===----------------------------------------------------------------------===//
public func open(
_ path: UnsafePointer<CChar>,
_ oflag: Int32
) -> Int32 {
return _swift_stdlib_open(path, oflag, 0)
}
#if os(Windows)
public func open(
_ path: UnsafePointer<CChar>,
_ oflag: Int32,
_ mode: Int32
) -> Int32 {
return _swift_stdlib_open(path, oflag, mode)
}
#else
public func open(
_ path: UnsafePointer<CChar>,
_ oflag: Int32,
_ mode: mode_t
) -> Int32 {
return _swift_stdlib_open(path, oflag, mode)
}
public func openat(
_ fd: Int32,
_ path: UnsafePointer<CChar>,
_ oflag: Int32
) -> Int32 {
return _swift_stdlib_openat(fd, path, oflag, 0)
}
public func openat(
_ fd: Int32,
_ path: UnsafePointer<CChar>,
_ oflag: Int32,
_ mode: mode_t
) -> Int32 {
return _swift_stdlib_openat(fd, path, oflag, mode)
}
public func fcntl(
_ fd: Int32,
_ cmd: Int32
) -> Int32 {
return _swift_stdlib_fcntl(fd, cmd, 0)
}
public func fcntl(
_ fd: Int32,
_ cmd: Int32,
_ value: Int32
) -> Int32 {
return _swift_stdlib_fcntl(fd, cmd, value)
}
public func fcntl(
_ fd: Int32,
_ cmd: Int32,
_ ptr: UnsafeMutableRawPointer
) -> Int32 {
return _swift_stdlib_fcntlPtr(fd, cmd, ptr)
}
// !os(Windows)
#endif
#if os(Windows)
public var S_IFMT: Int32 { return Int32(0xf000) }
public var S_IFREG: Int32 { return Int32(0x8000) }
public var S_IFDIR: Int32 { return Int32(0x4000) }
public var S_IFCHR: Int32 { return Int32(0x2000) }
public var S_IFIFO: Int32 { return Int32(0x1000) }
public var S_IREAD: Int32 { return Int32(0x0100) }
public var S_IWRITE: Int32 { return Int32(0x0080) }
public var S_IEXEC: Int32 { return Int32(0x0040) }
#else
public var S_IFMT: mode_t { return mode_t(0o170000) }
public var S_IFIFO: mode_t { return mode_t(0o010000) }
public var S_IFCHR: mode_t { return mode_t(0o020000) }
public var S_IFDIR: mode_t { return mode_t(0o040000) }
public var S_IFBLK: mode_t { return mode_t(0o060000) }
public var S_IFREG: mode_t { return mode_t(0o100000) }
public var S_IFLNK: mode_t { return mode_t(0o120000) }
public var S_IFSOCK: mode_t { return mode_t(0o140000) }
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
public var S_IFWHT: mode_t { return mode_t(0o160000) }
#endif
public var S_IRWXU: mode_t { return mode_t(0o000700) }
public var S_IRUSR: mode_t { return mode_t(0o000400) }
public var S_IWUSR: mode_t { return mode_t(0o000200) }
public var S_IXUSR: mode_t { return mode_t(0o000100) }
public var S_IRWXG: mode_t { return mode_t(0o000070) }
public var S_IRGRP: mode_t { return mode_t(0o000040) }
public var S_IWGRP: mode_t { return mode_t(0o000020) }
public var S_IXGRP: mode_t { return mode_t(0o000010) }
public var S_IRWXO: mode_t { return mode_t(0o000007) }
public var S_IROTH: mode_t { return mode_t(0o000004) }
public var S_IWOTH: mode_t { return mode_t(0o000002) }
public var S_IXOTH: mode_t { return mode_t(0o000001) }
public var S_ISUID: mode_t { return mode_t(0o004000) }
public var S_ISGID: mode_t { return mode_t(0o002000) }
public var S_ISVTX: mode_t { return mode_t(0o001000) }
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
public var S_ISTXT: mode_t { return S_ISVTX }
public var S_IREAD: mode_t { return S_IRUSR }
public var S_IWRITE: mode_t { return S_IWUSR }
public var S_IEXEC: mode_t { return S_IXUSR }
#endif
#endif
//===----------------------------------------------------------------------===//
// ioctl.h
//===----------------------------------------------------------------------===//
#if !os(Windows)
public func ioctl(
_ fd: CInt,
_ request: UInt,
_ value: CInt
) -> CInt {
return _swift_stdlib_ioctl(fd, request, value)
}
public func ioctl(
_ fd: CInt,
_ request: UInt,
_ ptr: UnsafeMutableRawPointer
) -> CInt {
return _swift_stdlib_ioctlPtr(fd, request, ptr)
}
public func ioctl(
_ fd: CInt,
_ request: UInt
) -> CInt {
return _swift_stdlib_ioctl(fd, request, 0)
}
// !os(Windows)
#endif
//===----------------------------------------------------------------------===//
// unistd.h
//===----------------------------------------------------------------------===//
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
@available(*, unavailable, message: "Please use threads or posix_spawn*()")
public func fork() -> Int32 {
fatalError("unavailable function can't be called")
}
@available(*, unavailable, message: "Please use threads or posix_spawn*()")
public func vfork() -> Int32 {
fatalError("unavailable function can't be called")
}
#endif
//===----------------------------------------------------------------------===//
// signal.h
//===----------------------------------------------------------------------===//
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
public var SIG_DFL: sig_t? { return nil }
public var SIG_IGN: sig_t { return unsafeBitCast(1, to: sig_t.self) }
public var SIG_ERR: sig_t { return unsafeBitCast(-1, to: sig_t.self) }
public var SIG_HOLD: sig_t { return unsafeBitCast(5, to: sig_t.self) }
#elseif os(OpenBSD)
public var SIG_DFL: sig_t? { return nil }
public var SIG_IGN: sig_t { return unsafeBitCast(1, to: sig_t.self) }
public var SIG_ERR: sig_t { return unsafeBitCast(-1, to: sig_t.self) }
public var SIG_HOLD: sig_t { return unsafeBitCast(3, to: sig_t.self) }
#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Haiku)
public typealias sighandler_t = __sighandler_t
public var SIG_DFL: sighandler_t? { return nil }
public var SIG_IGN: sighandler_t {
return unsafeBitCast(1, to: sighandler_t.self)
}
public var SIG_ERR: sighandler_t {
return unsafeBitCast(-1, to: sighandler_t.self)
}
public var SIG_HOLD: sighandler_t {
return unsafeBitCast(2, to: sighandler_t.self)
}
#elseif os(Cygwin)
public typealias sighandler_t = _sig_func_ptr
public var SIG_DFL: sighandler_t? { return nil }
public var SIG_IGN: sighandler_t {
return unsafeBitCast(1, to: sighandler_t.self)
}
public var SIG_ERR: sighandler_t {
return unsafeBitCast(-1, to: sighandler_t.self)
}
public var SIG_HOLD: sighandler_t {
return unsafeBitCast(2, to: sighandler_t.self)
}
#elseif os(Windows)
public var SIG_DFL: _crt_signal_t? { return nil }
public var SIG_IGN: _crt_signal_t {
return unsafeBitCast(1, to: _crt_signal_t.self)
}
public var SIG_ERR: _crt_signal_t {
return unsafeBitCast(-1, to: _crt_signal_t.self)
}
#elseif os(WASI)
// No signals support on WASI yet, see https://github.com/WebAssembly/WASI/issues/166.
#else
internal var _ignore = _UnsupportedPlatformError()
#endif
//===----------------------------------------------------------------------===//
// semaphore.h
//===----------------------------------------------------------------------===//
#if !os(Windows)
/// The value returned by `sem_open()` in the case of failure.
public var SEM_FAILED: UnsafeMutablePointer<sem_t>? {
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
// The value is ABI. Value verified to be correct for OS X, iOS, watchOS, tvOS.
return UnsafeMutablePointer<sem_t>(bitPattern: -1)
#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
// The value is ABI. Value verified to be correct on Glibc.
return UnsafeMutablePointer<sem_t>(bitPattern: 0)
#else
_UnsupportedPlatformError()
#endif
}
public func sem_open(
_ name: UnsafePointer<CChar>,
_ oflag: Int32
) -> UnsafeMutablePointer<sem_t>? {
return _stdlib_sem_open2(name, oflag)
}
public func sem_open(
_ name: UnsafePointer<CChar>,
_ oflag: Int32,
_ mode: mode_t,
_ value: CUnsignedInt
) -> UnsafeMutablePointer<sem_t>? {
return _stdlib_sem_open4(name, oflag, mode, value)
}
#endif
//===----------------------------------------------------------------------===//
// Misc.
//===----------------------------------------------------------------------===//
// Some platforms don't have `extern char** environ` imported from C.
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) || os(FreeBSD) || os(OpenBSD) || os(PS4)
public var environ: UnsafeMutablePointer<UnsafeMutablePointer<CChar>?> {
return _swift_stdlib_getEnviron()
}
#elseif os(Linux)
public var environ: UnsafeMutablePointer<UnsafeMutablePointer<CChar>?> {
return __environ
}
#endif