nucleus/library/processes/process_entry.h

   1 #ifndef PROCESS_ENTRY_CLASS
   2 #define PROCESS_ENTRY_CLASS
   3
   4 /*****************************************************************************\
   5 *                                                                             *
   6 *  Name   : process_entry                                                     *
   7 *  Author : Chris Koeritz                                                     *
   8 *                                                                             *
   9 *******************************************************************************
  10 * Copyright (c) 2000-$now By Author.  This program is free software; you can  *
  11 * redistribute it and/or modify it under the terms of the GNU General Public  *
  12 * License as published by the Free Software Foundation; either version 2 of   *
  13 * the License or (at your option) any later version.  This is online at:      *
  14 *     http://www.fsf.org/copyleft/gpl.html                                    *
  15 * Please send any updates to: fred@gruntose.com                               *
  16 \*****************************************************************************/
  17
  18 #include <basis/array.h>
  19 #include <basis/astring.h>
  20 #include <basis/contracts.h>
  21 #include <basis/definitions.h>
  22
  23 namespace processes {
  24
  25 //! Encapsulates information about OS processes.
  26
  27 class process_entry : public virtual basis::text_formable
  28 {
  29 public:
  30   basis::un_int _process_id;  //!< the OS identifier of this process.
  31   basis::un_int _references;  //!< the number of references to (users of) this process.
  32   basis::un_int _threads;  //!< the number of threads in use by this process.
  33   basis::un_int _parent_process_id;  //!< the process id of the owning process.
  34   basis::un_short _module16;  //!< non-zero if this process is a 16-bit application.
  35
  36   process_entry();
  37   process_entry(const process_entry &to_copy);
  38   ~process_entry();
  39
  40   DEFINE_CLASS_NAME("process_entry");
  41
  42   process_entry &operator =(const process_entry &to_copy);
  43
  44   const basis::astring &path() const;
  45   void path(const basis::astring &new_path);
  46
  47   basis::astring text_form() const;
  48     //!< returns a descriptive string for the information here.
  49
  50   void text_form(basis::base_string &fill) const;   //!< base class requirement.
  51
  52 private:
  53   basis::astring *_process_path;
  54 };
  55
  56 //////////////
  57
  58 //! a handy class that implements an array of process entries.
  59
  60 class process_entry_array : public basis::array<process_entry> {};
  61
  62 //////////////
  63
  64 } //namespace.
  65
  66 #endif
  67