diff options
Diffstat (limited to 'src/objective-c/GRPCClient/GRPCCall.m')
| -rw-r--r-- | src/objective-c/GRPCClient/GRPCCall.m | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m index f6d9dda80c..b5ab611848 100644 --- a/src/objective-c/GRPCClient/GRPCCall.m +++ b/src/objective-c/GRPCClient/GRPCCall.m @@ -113,6 +113,8 @@ static NSString * const kBearerPrefix = @"Bearer "; @synthesize state = _state; + (void)initialize { + // Guarantees the code in {} block is invoked only once. See ref at: + // https://developer.apple.com/documentation/objectivec/nsobject/1418639-initialize?language=objc if (self == [GRPCCall self]) { grpc_init(); callFlags = [NSMutableDictionary dictionary]; |