Programmer's Reference
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.
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