From 19949e9b0734b409ef080cb2bdc401842308dca9 Mon Sep 17 00:00:00 2001
From: Sohil Rupani <sohil.rupani0@walmartlabs.com>
Date: Tue, 28 May 2019 11:40:49 -0700
Subject: [PATCH] Update the deployment target to iOS 10

---
 ELFoundation.xcodeproj/project.pbxproj       |  6 +-
 ELFoundation/Utilities/Synchronization.swift | 64 --------------------
 README.md                                    |  1 -
 3 files changed, 3 insertions(+), 68 deletions(-)

diff --git a/ELFoundation.xcodeproj/project.pbxproj b/ELFoundation.xcodeproj/project.pbxproj
index 84671b3..0902948 100644
--- a/ELFoundation.xcodeproj/project.pbxproj
+++ b/ELFoundation.xcodeproj/project.pbxproj
@@ -621,7 +621,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 10;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = NO;
 				SDKROOT = iphoneos;
@@ -875,7 +875,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 10;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -930,7 +930,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 10;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
diff --git a/ELFoundation/Utilities/Synchronization.swift b/ELFoundation/Utilities/Synchronization.swift
index d00ac04..496c430 100644
--- a/ELFoundation/Utilities/Synchronization.swift
+++ b/ELFoundation/Utilities/Synchronization.swift
@@ -39,67 +39,3 @@ public func synchronized<T>(_ lock: AnyObject, closure: () -> T) -> T {
     objc_sync_exit(lock)
     return result
 }
-
-/**
- OS Level Spin Lock class.  Wraps the OSSpinLock* functions to allow for
- synchronization around a specified closure.  This is very useful for properties
- where get/set need to be thread-safe.
-*/
-final public class Spinlock {
-    public init() {
-        
-    }
-    
-    /**
-    Tries to acquire the lock, and if successful executes the specified closure.
-
-    - parameter closure: Closure to execute inside of the lock.
-    - returns: False if it failed to acquire the lock, otherwise true.
-    */
-    public func tryaround(_ closure: () -> Void) -> Bool {
-        let held = OSSpinLockTry(&spinlock)
-        if !held {
-            closure()
-            OSSpinLockUnlock(&spinlock)
-        }
-        return held
-    }
-    
-    /**
-    Runs the specified closure within the spin lock.
-    
-    - parameter closure: Closure to execute inside of the lock.
-    */
-    public func around(_ closure: () -> Void) {
-        OSSpinLockLock(&spinlock)
-        closure()
-        OSSpinLockUnlock(&spinlock)
-    }
-    
-    /**
-    Runs the specified closure within the spin lock, returning the type T.
-    
-    - parameter closure: Closure to execute inside of the lock.
-    - returns: The result of the closure.
-    */
-    public func around<T>(_ closure: () -> T) -> T {
-        OSSpinLockLock(&spinlock)
-        let result: T = closure()
-        OSSpinLockUnlock(&spinlock)
-        return result
-    }
-    
-    public func lock() {
-        OSSpinLockLock(&spinlock)
-    }
-    
-    public func trylock() -> Bool {
-        return OSSpinLockTry(&spinlock)
-    }
-    
-    public func unlock() {
-        OSSpinLockUnlock(&spinlock)
-    }
-    
-    fileprivate var spinlock: OSSpinLock = OS_SPINLOCK_INIT
-}
diff --git a/README.md b/README.md
index cc9961e..59fe025 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,6 @@ Both targets build the same product (`ELFoundation.framework`), thus linking the
 
 * `exceptionFailure` - A replacement for assertionFailure, usable in tests.
 * `synchronized<T>` - Akin to @synchronized() in Objective-C.
-* `Spinlock` - A basic spinlock implementation for synchronization.
 * `Object Association` - Objective-C style object association.
 * `Swizzling` - Objective-C style swizzling.
 * `Array (extensions)` - Handy extensions.