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sendSPortDone.p
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1988-11-18
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(*
sendSPortDone() -- Returns 'true' if any sending activity on the serial port is completed.
To compile and link this file using Macintosh Programmer's Workshop,
pascal -w sendSPortDone.p
link -m ENTRYPOINT -o HyperCommands -rt XFCN=7033 -sn Main=sendSPortDone ∂
sendSPortDone.p.o "{MPW}"Libraries:interface.o
© Copyright 1987,88 by Apple Computer, Inc.
Initial coding 9/87 by Harry R. Chesley.
*)
{$R-}
{$S sendSPortDone } { Segment name must be the same as the command name. }
unit DummyUnit;
interface
uses MemTypes, QuickDraw, OSIntf, HyperXCmd;
procedure EntryPoint(paramPtr: XCmdPtr);
implementation
type
Str31 = String[31];
procedure sendSPortDone(paramPtr: XCmdPtr); forward;
procedure EntryPoint(paramPtr: XCmdPtr);
begin
sendSPortDone(paramPtr);
end;
procedure sendSPortDone(paramPtr: XCmdPtr);
var i: integer;
{$I XCmdGlue.inc}
procedure Fail(errMsg: Str255); { set theResult and quit }
begin
paramPtr^.returnValue := PasToZero(errMsg);
exit(sendSPortDone);
end;
{$I SPortUtil.inc}
begin
if paramPtr^.paramCount <> 0 then Fail('parameter count is not 0');
SetUpSPortGlobals;
EnsureOpenPort;
{ Check if all asynchronous activity has finished. }
for i := 1 to MAXPARMBLKS do
if ThisSPort.parmBlks[i]^.ioResult > noErr then
begin
{ If not, return false. }
paramPtr^.returnValue := PasToZero('false');
exit(sendSPortDone);
end;
{ If yes, return true. }
paramPtr^.returnValue := PasToZero('true')
end;
end.