From badbaa8d766a4740ebcd9e276d6cf4885b70f687 Mon Sep 17 00:00:00 2001
From: SHANKS <yj_guo@ctrip.com>
Date: Fri, 21 Dec 2018 15:58:38 +0800
Subject: [PATCH 1/2] Fix RCTImageLoader multi thread crash

---
 Libraries/Network/RCTHTTPRequestHandler.mm | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/Libraries/Network/RCTHTTPRequestHandler.mm b/Libraries/Network/RCTHTTPRequestHandler.mm
index 863fea857ddfd7..dd47230a20ecf8 100644
--- a/Libraries/Network/RCTHTTPRequestHandler.mm
+++ b/Libraries/Network/RCTHTTPRequestHandler.mm
@@ -23,13 +23,16 @@ @implementation RCTHTTPRequestHandler
 }
 
 @synthesize bridge = _bridge;
+@synthesize methodQueue = _methodQueue;
 
 RCT_EXPORT_MODULE()
 
 - (void)invalidate
 {
-  [_session invalidateAndCancel];
-  _session = nil;
+  dispatch_async(self->_methodQueue, ^{
+    [self->_session invalidateAndCancel];
+    self->_session = nil;
+  });
 }
 
 - (BOOL)isValid
@@ -73,8 +76,10 @@ - (NSURLSessionDataTask *)sendRequest:(NSURLRequest *)request
                                            valueOptions:NSPointerFunctionsStrongMemory
                                                capacity:0];
   }
-
-  NSURLSessionDataTask *task = [_session dataTaskWithRequest:request];
+  __block NSURLSessionDataTask *task = nil;
+  dispatch_async(self->_methodQueue, ^{
+    task = [self->_session dataTaskWithRequest:request];
+  });
   {
     std::lock_guard<std::mutex> lock(_mutex);
     [_delegates setObject:delegate forKey:task];

From d9a40557b77e083b11498097202b08357081c6e2 Mon Sep 17 00:00:00 2001
From: SHANKS <yj_guo@ctrip.com>
Date: Fri, 21 Dec 2018 17:07:12 +0800
Subject: [PATCH 2/2] async->sync

---
 Libraries/Network/RCTHTTPRequestHandler.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/Network/RCTHTTPRequestHandler.mm b/Libraries/Network/RCTHTTPRequestHandler.mm
index dd47230a20ecf8..2ddbb8a52b7e1d 100644
--- a/Libraries/Network/RCTHTTPRequestHandler.mm
+++ b/Libraries/Network/RCTHTTPRequestHandler.mm
@@ -77,7 +77,7 @@ - (NSURLSessionDataTask *)sendRequest:(NSURLRequest *)request
                                                capacity:0];
   }
   __block NSURLSessionDataTask *task = nil;
-  dispatch_async(self->_methodQueue, ^{
+  dispatch_sync(self->_methodQueue, ^{
     task = [self->_session dataTaskWithRequest:request];
   });
   {