From c5dd4d47aa0828cb7ba180cef35bf565a57231e5 Mon Sep 17 00:00:00 2001 From: Jorge Canizales Date: Fri, 11 Mar 2016 12:57:43 -0800 Subject: Use a singleton completion queue --- src/objective-c/GRPCClient/private/GRPCCompletionQueue.m | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/objective-c') diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m index 250bbf03a6..be214d4d36 100644 --- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m +++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m @@ -41,7 +41,12 @@ const int64_t kGRPCCompletionQueueDefaultTimeoutSecs = 60; @implementation GRPCCompletionQueue + (instancetype)completionQueue { - return [[self alloc] init]; + static GRPCCompletionQueue *singleton = nil; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + singleton = [[self alloc] init]; + }); + return singleton; } - (instancetype)init { -- cgit v1.2.3