Instance Method

wait()

Waits for, or decrements, a semaphore.

Declaration

func wait()

Discussion

Decrement the counting semaphore. If the resulting value is less than zero, this function waits for a signal to occur before returning.

See Also

Blocking on the Semaphore

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software