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author | Jan Tattermusch <jtattermusch@users.noreply.github.com> | 2016-03-15 10:29:25 -0700 |
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committer | Jan Tattermusch <jtattermusch@users.noreply.github.com> | 2016-03-15 10:29:25 -0700 |
commit | e6bebe9662fdf98ae4f66882fb068f308fd11184 (patch) | |
tree | 839aa25f67ee7cf484fdfd0fef7eafdaf62051c6 /src/objective-c/GRPCClient/private/GRPCCompletionQueue.m | |
parent | f21b0d1436d56d6862396a3062ae9759e6328f9b (diff) | |
parent | c5dd4d47aa0828cb7ba180cef35bf565a57231e5 (diff) |
Merge pull request #5749 from jcanizales/only-one-completion-queue
Use a singleton completion queue
Diffstat (limited to 'src/objective-c/GRPCClient/private/GRPCCompletionQueue.m')
-rw-r--r-- | src/objective-c/GRPCClient/private/GRPCCompletionQueue.m | 7 |
1 files changed, 6 insertions, 1 deletions
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 { |