ConveniencedLock

A framework to help with ensure proper usage of NSLocking types.

Swift Package Manager

Update your Package.swift to include this to your package dependencies:

.package(url: "https://github.com/bscothern/ConveniencedLock.git", from: "1.0.2")

Carthage

Include this line in your Cartfile:

github "bscothern/ConveniencedLock"

Extensions

Supported Types:

NSLock
NSRecursiveLock
NSCondition
NSConditionLock

New Init

Creates an instance of a lock while setting its name.

init(name: String)

New Function

A function that executes a critical section of code while a lock is locked and ensures that it is unlocked after execution.

@discardableResult func execute<T>(_ criticalBlock: () throws -> T) rethrows -> T

Example Usage

import ConveniencedLock
import Foundation

let lock = NSLock(name: "ExampleLock")
var count: Int = 0

DispatchQueue.concurrentPerform(iterations: 1000) { _ in
    lock.execute {
        count += 1
    }
}

// Time to ensure that the dispatch queue blocks have all executed

print(count) // 1000