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B.2.1. RexxUtil Semaphore functions

The following RexxUtil functions related to semaphore-processing have been deprecated.
SysCloseEventSemSysPostEventSem
SysCloseMutexSemSysPulseEventSem
SysCreateEventSemSysReleaseMutexSem
SysCreateMutexSemSysRequestMutexSem
SysOpenEventSemSysResetEventSem
SysOpenMutexSemSysWaitEventSem

They have been superseded by the new EventSemaphore Class and MutexSemaphore Class.