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boudhayan / AsynchronousOperation.swift

Created June 6, 2017 10:27 — forked from calebd/AsynchronousOperation.swift

Concurrent NSOperation in Swift

	import Foundation

	/// An abstract class that makes building simple asynchronous operations easy.
	/// Subclasses must implement `execute()` to perform any work and call
	/// `finish()` when they are done. All `NSOperation` work will be handled
	/// automatically.
	open class AsynchronousOperation: Operation {

	// MARK: - Properties

boudhayan / Semaphore.swift

Created February 8, 2017 06:48 — forked from JadenGeller/Semaphore.swift

Swift Semaphore

	struct Semaphore {

	let semaphore: dispatch_semaphore_t

	init(value: Int = 0) {
	semaphore = dispatch_semaphore_create(value)
	}

	// Blocks the thread until the semaphore is free and returns true
	// or until the timeout passes and returns false

boudhayan / Semaphore.swift

Created February 8, 2017 06:48 — forked from JadenGeller/Semaphore.swift

Swift Semaphore

	struct Semaphore {

	let semaphore: dispatch_semaphore_t

	init(value: Int = 0) {
	semaphore = dispatch_semaphore_create(value)
	}

	// Blocks the thread until the semaphore is free and returns true
	// or until the timeout passes and returns false

boudhayan / PSPDFUIKitMainThreadGuard.m

Created May 20, 2016 11:19 — forked from steipete/PSPDFUIKitMainThreadGuard.m

This is a guard that tracks down UIKit access on threads other than main. This snippet is taken from the commercial iOS PDF framework http://pspdfkit.com, but relicensed under MIT. Works because a lot of calls internally call setNeedsDisplay or setNeedsLayout. Won't catch everything, but it's very lightweight and usually does the job.You might n…

	// Taken from the commercial iOS PDF framework http://pspdfkit.com.
	// Copyright (c) 2014 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
	// Licensed under MIT (http://opensource.org/licenses/MIT)
	//
	// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.

	#import <objc/runtime.h>
	#import <objc/message.h>

	// Compile-time selector checks.