"
COPYRIGHT (c) 2004 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
"{ Package: 'stx:libbasic' }"
Object subclass:#Continuation
instanceVariableNames:'process id suspendContext'
classVariableNames:''
poolDictionaries:''
category:'Kernel-Processes'
!
!Continuation class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 2004 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
Initial attempt - Contnuations do not work yet.
[Instance variables:]
id <SmallInteger> a unique continuation-id;
Used to identify a corresponding
data-structure in the VM.
process <Process> the process which created this continuation.
[Class variables:]
[see also:]
Process Context Block
[author:]
Claus Gittinger
"
! !
!Continuation class methodsFor:'instance creation'!
new
|cont id|
cont := super new.
%{
int __cId;
extern int __continuationCreate();
__cId = __continuationCreate(cont);
if (__cId) {
id = __MKSMALLINT(__cId);
}
%}.
id isNil ifTrue:[
self error:'could not create continuation' mayProceed:true.
^ nil.
].
cont setId:id process:(Processor activeProcess).
^ cont
! !
!Continuation methodsFor:'private accessing'!
setId:idArg process:aProcess
id := idArg.
process := aProcess.
! !
!Continuation class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libbasic/Continuation.st,v 1.5 2004-09-20 14:27:04 cg Exp $'
! !