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processdefs.mESA 24-0CT-77 18:38:25 Page 1 -- File ProcessDefs.Mesa -- Last edited by Johnsson: May 18, 1977 11:36 AM DIRECTORY ControlDefs: FROM "controldefs", Mopcodes: FROM "mopcodes": DEFINITIONS FROM ControlDefs; ProcessDefs: DEFINITIONS = BEGIN -- Special op codes BLOCK: MACHINE CODE = INLINE [Mopcodes.zBLOCK]; ProcessHandle: TYPE = POINTER TO ProcessObject; ProcessNIL: ProcessHandle = LOOPHOLE[O]: ProcessObject: TYPE = PRIVATE RECORD [ state: StateVector, pn: ProcessPriority ]; ProcessRegister: PRIVATE TYPE = WORD; AP: PRIVATE POINTER TO ProcessRegister = LOOPHOLE[20B]; RP: PRIVATE POINTER TO ProcessRegister = LOOPHOLE[21B]; CPN: PRIVATE POINTER TO ProcessPriority = LOOPHOLE[22B]: WakeupsWaiting: PRIVATE POINTER TO WORD = LOOPHOLE[452B]; Act iveWord: PRIVATE POINTER TO WORD = LOOPllOLE[ 453B]; ProcessVector: PRIVATE TYPE = ARRAY ProcessPriority OF ProcessHandle; PV: PRIVATE POINTER TO ProcessVector = LOOPIIOLE[40B]; _ ProcessPriority: TYPE = [0 .. 15]; HighestProcessPriority: ProcessPriority=O: LowestProcessPriority: ProcessPriority=14: Unscheduled: Proc0ssPriority=15: PriorityNotAvailable: ERROR; InvalidPriority: ERROR; InvalidProcess: ERROR: ProcessNotScheduled: ERROR; CreateProcessFromrrame: PROCEDURE [FrameHandle. ProcessPriority] RETURNS [ProcessHandle]; CreateProcessFromProcedure: PROCEDURE [PROCEDURE. ProcessPriority] RETURNS [ProcessHandle]; SetProcessPriority: PROCEDURE [ProcessHandle, ProcessPriority]; GetProcessPriority: PROCEDURE [ProcessHandle] RETURNS [ProcessPriority]; GetCurrentProcess: PROCEDURE RETURNS [ProcessHandle]; GetCurrentPriority: PROCEDURE RETURNS [ProcessPriority]; EnumerateProcess: PROCEDURE [PROCEDURE [ProcessHandle] RETURNS [BOOLFAN]] RETURNS [ProcessHandle]; DesLroyProcess, MakeProcessReady, ActivateProcess. DeAct ivateProcess: PROCEDURE [ProcessHandl e]; Disablelnterrupts: MACHINE CODE = INLINE [Mopcodes.zIWDC]; [nablelnterrupLs: MACHINE CODE = INLINE [Mopcodes.lDWDC]; END.