sortix-mirror/sortix/process.h

90 lines
1.8 KiB
C++

/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
process.h
Describes a process belonging to a subsystem.
******************************************************************************/
#ifndef SORTIX_PROCESS_H
#define SORTIX_PROCESS_H
#include "descriptors.h"
namespace Sortix
{
class Thread;
class Process;
struct ProcessSegment;
struct ProcessSegment
{
public:
ProcessSegment() : prev(NULL), next(NULL) { }
public:
ProcessSegment* prev;
ProcessSegment* next;
addr_t position;
size_t size;
public:
bool Intersects(ProcessSegment* segments);
};
class Process
{
public:
Process(addr_t addrspace);
~Process();
public:
static void Init();
private:
addr_t _addrspace;
public:
DescriptorTable descriptors;
ProcessSegment* segments;
public:
bool sigint;
public:
addr_t _endcodesection; // HACK
public:
addr_t GetAddressSpace() { return _addrspace; }
void ResetAddressSpace();
public:
bool IsSane() { return _addrspace != 0; }
};
Process* CurrentProcess();
void SysExecuteOld(CPU::InterruptRegisters* R);
}
#endif