Programmer Reference : Common Process Model : Synchronization using semaphore and delay : Semaphore class and instance methods
Semaphore class and instance methods
The class methods for Semaphore include the following:
forMutualExclusion
Answers a new semaphore that has one signal.
new
Answers a new semaphore that has no signals.
The instance methods include the following:
critical:
Evaluates the argument block and guarantees that there will be no context switch while the block is being evaluated.
signal
Adds a signal to the receiver.
wait
Suspends the active process until there is a signal available from the receiver.
Last modified date: 01/29/2015