From b140c58e99cd66dc78317a56f2a7ab9bf8ae9498 Mon Sep 17 00:00:00 2001
From: pepsikirk <pepsikirk@qq.com>
Date: Wed, 7 Nov 2018 20:22:01 +0800
Subject: [PATCH] Update YYAsyncLayer/YYAsyncLayer.m
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解决 YYAsyncLayerGetDisplayQueue 函数的 counter 变量在自增至-2147483648时，可能会出现取数组下标为负，导致 EXC_BAD_ACCESS 的问题。
---
 YYAsyncLayer/YYAsyncLayer.m | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/YYAsyncLayer/YYAsyncLayer.m b/YYAsyncLayer/YYAsyncLayer.m
index 203db19..b423837 100644
--- a/YYAsyncLayer/YYAsyncLayer.m
+++ b/YYAsyncLayer/YYAsyncLayer.m
@@ -43,8 +43,7 @@ static dispatch_queue_t YYAsyncLayerGetDisplayQueue() {
             }
         }
     });
-    int32_t cur = OSAtomicIncrement32(&counter);
-    if (cur < 0) cur = -cur;
+    uint32_t cur = (uint32_t)OSAtomicIncrement32(&counter);
     return queues[(cur) % queueCount];
 #undef MAX_QUEUE_COUNT
 #endif