- sem-timedwait semaphore seconds nano-secondsprocedure
Attempts to decrement a semaphore. It will block for a maximum of `seconds + nanoseconds`, and will return true if the semaphore was decremented and false otherwise.
Attempts to decrement a semaphore. It will block for a maximum of `seconds + nanoseconds`, and will return true if the semaphore was decremented and false otherwise.