Global Variable グローバル変数

NSOperationQueueDefaultMaxConcurrentOperationCount

The default maximum number of operations to invoke concurrently in a queue.

Declaration 宣言 

const NSInteger NSOperationQueueDefaultMaxConcurrentOperationCount;

Discussion 議論

The operation queue determines this number dynamically based on current system conditions.

See Also 参照

Managing the Execution of Operations オペレーションの遂行を管理する

qualityOfService
The default service level to apply to operations that the queue invokes.
maxConcurrentOperationCount
The maximum number of queued operations that can run at the same time.