1.136.8 ProcessorScheduler: timed invocation

isTimeoutProgrammed

Private - Answer whether there is a pending call to #signal:atMilliseconds:

signal: aSemaphore atNanosecondClockValue: ns

Private - signal ’aSemaphore’ when the nanosecond clock reaches ’ns’ nanoseconds.

signal: aSemaphore onInterrupt: anIntegerSignalNumber

Signal ’aSemaphore’ when the given C signal occurs.