mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
48 lines
1.7 KiB
Swift
48 lines
1.7 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
|
|
|
|
/// Returns 1 if the running OS version is greater than or equal to
|
|
/// major.minor.patchVersion and 0 otherwise.
|
|
///
|
|
/// This is a magic entry point known to the compiler. It is called in
|
|
/// generated code for API availability checking.
|
|
@_semantics("availability.osversion")
|
|
@inlinable
|
|
public func _stdlib_isOSVersionAtLeast(
|
|
_ major: Builtin.Word,
|
|
_ minor: Builtin.Word,
|
|
_ patch: Builtin.Word
|
|
) -> Builtin.Int1 {
|
|
#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
|
|
if Int(major) == 9999 {
|
|
return true._value
|
|
}
|
|
// The call to _swift_stdlib_operatingSystemVersion is used as an indicator
|
|
// that this function was called by a compiler optimization pass. If it is
|
|
// replaced that pass needs to be updated.
|
|
let runningVersion = _swift_stdlib_operatingSystemVersion()
|
|
|
|
let result =
|
|
(runningVersion.majorVersion,runningVersion.minorVersion,runningVersion.patchVersion)
|
|
>= (Int(major),Int(minor),Int(patch))
|
|
|
|
return result._value
|
|
#else
|
|
// FIXME: As yet, there is no obvious versioning standard for platforms other
|
|
// than Darwin-based OSes, so we just assume false for now.
|
|
// rdar://problem/18881232
|
|
return false._value
|
|
#endif
|
|
}
|