From f060310ffe6a3dcc99237eb3aed18e9b59f1fd5f Mon Sep 17 00:00:00 2001
From: DreamPiggy <lizhuoli1126@126.com>
Date: Sun, 31 Mar 2019 15:53:33 +0800
Subject: [PATCH] Remove the previous using atomic property, use lock instead.

---
 SDWebImage/SDImageCachesManager.h |  2 +-
 SDWebImage/SDImageCachesManager.m | 20 +++++++++++++++-----
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/SDWebImage/SDImageCachesManager.h b/SDWebImage/SDImageCachesManager.h
index 41e5b046..2c0d7b03 100644
--- a/SDWebImage/SDImageCachesManager.h
+++ b/SDWebImage/SDImageCachesManager.h
@@ -58,7 +58,7 @@ typedef NS_ENUM(NSUInteger, SDImageCachesManagerOperationPolicy) {
 /**
  All caches in caches manager. The caches array is a priority queue, which means the later added cache will have the highest priority
  */
-@property (atomic, copy, readwrite, nullable) NSArray<id<SDImageCache>> *caches;
+@property (nonatomic, copy, readwrite, nullable) NSArray<id<SDImageCache>> *caches;
 
 /**
  Add a new cache to the end of caches array. Which has the highest priority.
diff --git a/SDWebImage/SDImageCachesManager.m b/SDWebImage/SDImageCachesManager.m
index b02f3f55..1ef33e85 100644
--- a/SDWebImage/SDImageCachesManager.m
+++ b/SDWebImage/SDImageCachesManager.m
@@ -75,7 +75,9 @@
     if (!key) {
         return nil;
     }
-    NSArray<id<SDImageCache>> *caches = [self.caches copy];
+    SD_LOCK(self.cachesLock);
+    NSArray<id<SDImageCache>> *caches = self.caches;
+    SD_UNLOCK(self.cachesLock);
     NSUInteger count = caches.count;
     if (count == 0) {
         return nil;
@@ -117,7 +119,9 @@
     if (!key) {
         return;
     }
-    NSArray<id<SDImageCache>> *caches = [self.caches copy];
+    SD_LOCK(self.cachesLock);
+    NSArray<id<SDImageCache>> *caches = self.caches;
+    SD_UNLOCK(self.cachesLock);
     NSUInteger count = caches.count;
     if (count == 0) {
         return;
@@ -155,7 +159,9 @@
     if (!key) {
         return;
     }
-    NSArray<id<SDImageCache>> *caches = [self.caches copy];
+    SD_LOCK(self.cachesLock);
+    NSArray<id<SDImageCache>> *caches = self.caches;
+    SD_UNLOCK(self.cachesLock);
     NSUInteger count = caches.count;
     if (count == 0) {
         return;
@@ -193,7 +199,9 @@
     if (!key) {
         return;
     }
-    NSArray<id<SDImageCache>> *caches = [self.caches copy];
+    SD_LOCK(self.cachesLock);
+    NSArray<id<SDImageCache>> *caches = self.caches;
+    SD_UNLOCK(self.cachesLock);
     NSUInteger count = caches.count;
     if (count == 0) {
         return;
@@ -230,7 +238,9 @@
 }
 
 - (void)clearWithCacheType:(SDImageCacheType)cacheType completion:(SDWebImageNoParamsBlock)completionBlock {
-    NSArray<id<SDImageCache>> *caches = [self.caches copy];
+    SD_LOCK(self.cachesLock);
+    NSArray<id<SDImageCache>> *caches = self.caches;
+    SD_UNLOCK(self.cachesLock);
     NSUInteger count = caches.count;
     if (count == 0) {
         return;