lock

import Foundation

class NSConditionLock

override convenience init()

init(condition: Int)

var condition: Int { get }

var name: String?

func lock(before limit: Date) -> Bool

func lock(whenCondition condition: Int)

func lock(whenCondition condition: Int, before limit: Date) -> Bool

func `try`() -> Bool

func tryLock(whenCondition condition: Int) -> Bool

func unlock()

func unlock(withCondition condition: Int)