ProcessClient.h

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/*
 * Copyright (C) 2020 Niek Linnenbank
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIB_LIBRUNTIME_PROCESSCLIENT_H
#define __LIB_LIBRUNTIME_PROCESSCLIENT_H
 
#include <FreeNOS/User.h>
#include <FreeNOS/ProcessManager.h>
#include <Types.h>
#include <String.h>
 
class ProcessClient
{
  public:
 
    static const Size MaximumProcesses = MAX_PROCS;
 
    enum Result
    {
        Success,
        NotFound,
        IOError
    };
 
    typedef struct Info
    {
        ProcessInfo kernelState;
 
        String command;
 
        String textState;
    }
    Info;
 
  public:
 
    ProcessID getProcessID() const;
 
    ProcessID getParentID() const;
 
    Result processInfo(const ProcessID pid, Info &info) const;
 
    Result processInfo(const String program, Info &info) const;
 
    ProcessID findProcess(const String program) const;
 
  private:
 
    static const ProcessID m_pid;
 
    static const ProcessID m_parent;
};
 
#endif /* __LIB_LIBRUNTIME_PROCESSCLIENT_H */