-- SystemInternal.mesa (last edited by: McJones on: June 24, 1980 9:44 AM)

DIRECTORY

SpecialSystem USING [nullProcessorID, ProcessorID];

SystemInternal: DEFINITIONS =

BEGIN

-- Universal identifiers

-- Implementation of the exported type in System

UniversalID: TYPE = MACHINE DEPENDENT RECORD [

processor (0): SpecialSystem.ProcessorID,

sequence (3): LONG CARDINAL];

-- NOTE: The fields of a UniversalID should NOT be used as hints as to the location or age of the associated entity (e.g. file, volume).

nullID: UniversalID = [SpecialSystem.nullProcessorID, 0]; -- assert = LOOPHOLE[System.nullID]

-- Unimplemented features

Unimplemented: SIGNAL;

-- This signal can’t be caught by client code since SystemInternal is not exported by Pilot. However it can be resumed from the debugger when raised via SIGNAL (rather than ERROR) and this may possibly ease clients’ debugging.

END.

LOG

Time: April 12, 1978 11:56 AMBy: LauerAction: Created file

Time: May 4, 1978 3:19 PMBy: LauerAction: Fixed for Mesa 4.0; established this file as the "official" version; added NetworkAddresses

Time: May 5, 1978 11:12 AMBy: LauerAction: Added nullID

Time: June 21, 1978 10:03 AMBy: LauerAction: Corrected bugs in OISProcessorSeries, UniversalID; changed TimerHandle; added nullNetworkAddress and nullProcessorID

Time: August 11, 1978 10:22 AMBy: LauerAction: Added broadcastProcessorID; moved TimerHandle to System

Time: March 9, 1979 1:45 PMBy: McJonesAction: Moved NetworkAddress to System

Time: July 19, 1979 10:32 AMBy: KnutsenAction: broadcastHostNumber, nullHostNumber removed from System, put into SystemInternal

Time: August 10, 1979 5:07 PMBy: ForrestAction: Added Unimplemented (formerly in Forgot)

Time: January 25, 1980 3:36 PMBy: DalalAction: Created dependencies on SpecialSystem

Time: January 27, 1980 7:00 PMBy: ForrestAction: Reformatted; made records machine dependent

Time: June 10, 1980 5:55 PMBy: McJonesAction: 48-bit processor ids