Service Manuals, User Guides, Schematic Diagrams or docs for : xerox mesa 3.0_1977 listing ProcessDefs.mesa_Oct77

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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.

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