wehub-resource-sync
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40 lines
1.3 KiB
Swift
40 lines
1.3 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//===----------------------------------------------------------------------===//
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#if canImport(Darwin)
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import Darwin
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#endif
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#if canImport(FoundationEssentials)
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import FoundationEssentials
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#else
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import Foundation
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#endif
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/// Helper type to deal with system control functionalities.
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public struct Sysctl {
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#if os(macOS)
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/// Simple `sysctlbyname` wrapper.
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public static func byName(_ name: String) throws -> Int64 {
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var num: Int64 = 0
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var size = MemoryLayout<Int64>.size
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if sysctlbyname(name, &num, &size, nil, 0) != 0 {
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throw POSIXError.fromErrno()
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}
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return num
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}
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#endif
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}
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