Merge pull request #13180 from muxi/fix-objc-msan

Fix threading problem in gRPC ObjC
7 years ago · a4f7d99631
parent c38745833a 7e5cfc2ab3
commit a4f7d99631
1 changed files with 4 additions and 2 deletions
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@ -268,8 +268,10 @@ static NSString *const kBearerPrefix = @"Bearer ";
 // method.
 // TODO(jcanizales): Rename to readResponseIfNotPaused.
 - (void)startNextRead {
-  if (self.state == GRXWriterStatePaused) {
-    return;
+  @synchronized(self) {
+    if (self.state == GRXWriterStatePaused) {
+      return;
+    }
  }

  dispatch_async(_callQueue, ^{