From c5dd4d47aa0828cb7ba180cef35bf565a57231e5 Mon Sep 17 00:00:00 2001
From: Jorge Canizales <jcanizales@google.com>
Date: Fri, 11 Mar 2016 12:57:43 -0800
Subject: [PATCH] Use a singleton completion queue
---
src/objective-c/GRPCClient/private/GRPCCompletionQueue.m | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
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 {
--
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