SysRWLReadLock RTS_IEC [...] RWLReadLock (FUN) ¶ FUNCTION SysRWLReadLock : RTS_IEC_RESULT This

SysRWLReadLockTry (FUN) ¶ FUNCTION SysRWLReadLockTry : RTS_IEC_RESULT This

RWLReadUnlock (FUN) ¶ FUNCTION SysRWLReadUnlock : RTS_IEC_RESULT This [...] RWLReadUnlock RTS_IEC

SysRWLWriteLock RTS_IEC [...] RWLWriteLock (FUN) ¶ FUNCTION SysRWLWriteLock : RTS_IEC_RESULT This

SysRWLWriteLockTry (FUN) ¶ FUNCTION SysRWLWriteLockTry : RTS_IEC_RESULT This

RWLWriteUnlock (FUN) ¶ FUNCTION SysRWLWriteUnlock : RTS_IEC_RESULT This [...] RWLWriteUnlock RTS_IEC

Leave (Function) SysSemTry [...] SysSem [...] System Title SysSem

SysSemCreate (FUN) ¶ FUNCTION SysSemCreate : RTS_IEC_HANDLE This

SysSemDelete RTS_IEC [...] Delete (FUN) ¶ FUNCTION SysSem [...] Errors.library) Input hSem RTS_IEC

SysSemEnter RTS_IEC [...] SysSemEnter (FUN [...] also use SysSem