|  | /* | 
|  | * Licensed to the Apache Software Foundation (ASF) under one | 
|  | * or more contributor license agreements. See the NOTICE file | 
|  | * distributed with this work for additional information | 
|  | * regarding copyright ownership. The ASF licenses this file | 
|  | * to you under the Apache License, Version 2.0 (the | 
|  | * "License"); you may not use this file except in compliance | 
|  | * with the License. You may obtain a copy of the License at | 
|  | * | 
|  | *   http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, | 
|  | * software distributed under the License is distributed on an | 
|  | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
|  | * KIND, either express or implied. See the License for the | 
|  | * specific language governing permissions and limitations | 
|  | * under the License. | 
|  | */ | 
|  |  | 
|  |  | 
|  | import Foundation | 
|  | import CoreFoundation | 
|  |  | 
|  | #if os(Linux) | 
|  | /// Extensions for Linux for incomplete Foundation API's. | 
|  | /// swift-corelibs-foundation is not yet 1:1 with OSX/iOS Foundation | 
|  |  | 
|  | extension CFSocketError { | 
|  | public static let success = kCFSocketSuccess | 
|  | } | 
|  |  | 
|  | extension UInt { | 
|  | public static func &(lhs: UInt, rhs: Int) -> UInt { | 
|  | let cast = unsafeBitCast(rhs, to: UInt.self) | 
|  | return lhs & cast | 
|  | } | 
|  | } | 
|  |  | 
|  | #else | 
|  | extension CFStreamPropertyKey { | 
|  | static let shouldCloseNativeSocket  = CFStreamPropertyKey(kCFStreamPropertyShouldCloseNativeSocket) | 
|  | // Exists as Stream.PropertyKey.socketSecuritylevelKey but doesn't work with CFReadStreamSetProperty | 
|  | static let socketSecurityLevel      = CFStreamPropertyKey(kCFStreamPropertySocketSecurityLevel) | 
|  | static let SSLSettings              = CFStreamPropertyKey(kCFStreamPropertySSLSettings) | 
|  | } | 
|  | #endif |