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Languguage OS 2
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Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
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gnu
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nihcl-30.lha
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nihcl-3.0
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lib
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HeapProc.h
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C/C++ Source or Header
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1990-05-19
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2KB
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63 lines
#ifndef HEAPPROC_H
#define HEAPPROC_H
/*$Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/lib/RCS/HeapProc.h,v 3.0 90/05/20 00:19:47 kgorlen Rel $*/
/* HeapProc.h -- Specification for Process with stack on free storage heap
THIS SOFTWARE FITS THE DESCRIPTION IN THE U.S. COPYRIGHT ACT OF A
"UNITED STATES GOVERNMENT WORK". IT WAS WRITTEN AS A PART OF THE
AUTHOR'S OFFICIAL DUTIES AS A GOVERNMENT EMPLOYEE. THIS MEANS IT
CANNOT BE COPYRIGHTED. THIS SOFTWARE IS FREELY AVAILABLE TO THE
PUBLIC FOR USE WITHOUT A COPYRIGHT NOTICE, AND THERE ARE NO
RESTRICTIONS ON ITS USE, NOW OR SUBSEQUENTLY.
Author:
K. E. Gorlen
Computer Systems Laboratory, DCRT
National Institutes of Health
Bethesda, MD 20892
January, 1989
Modification History:
$Log: HeapProc.h,v $
* Revision 3.0 90/05/20 00:19:47 kgorlen
* Release for 1st edition.
*
*/
#include "Process.h"
class HeapProc: public Process {
DECLARE_MEMBERS(HeapProc);
unsigned long stack_size; // size of stack in words
void setupStack();
protected:
HeapProc(const char* name, stackTy* bottom, int priority =0, unsigned long size =1024);
virtual void switchContext(Process*);
virtual void switchFrom(HeapProc*);
virtual void switchFrom(StackProc*);
bool FORK() {
add(); // add this process to Scheduler runlist
if (_SETJMP(env) == 0) {
setupStack();
return YES;
}
else return NO;
}
#ifndef BUG_38
// internal <<AT&T C++ Translator 2.00 06/30/89>> error: bus error (or something nasty like that)
protected: // storer() functions for object I/O
virtual void storer(OIOofd&) const { shouldNotImplement("storer"); }
virtual void storer(OIOout&) const { shouldNotImplement("storer"); }
public:
virtual void deepenShallowCopy() { shouldNotImplement("deepenShallowCopy"); }
#endif
public:
~HeapProc();
virtual unsigned size() const;
};
#endif