tryLock()

Declaration

func tryLock() -> Bool

Return Value

true if successful, otherwise false.

Discussion

Returns immediately—contrast lock() which blocks.

See Also

Deprecated instance methods

• addPersistentStore(ofType:configurationName:at:options:)
• destroyPersistentStore(at:ofType:options:)
• importStore(withIdentifier:fromExternalRecordsDirectoryAt:to:options:ofType:)
• lock()
• migratePersistentStore(_:to:options:withType:)
• replacePersistentStore(at:destinationOptions:withPersistentStoreFrom:sourceOptions:ofType:)
• unlock()
• perform(_:)
• performAndWait(_:)