Headers/opsys.h

   1 #ifndef OPSYS_H
   2 #define OPSYS_H
   3
   4 #include "input.h"
   5 #include <csignal>          // struct sigaction, sigaction, SIGINT, SIGHUP
   6 #include <iostream>         // std::cin, std::cout, printf, fprintf
   7 extern bool exit_program;
   8
   9 #define WRITE_END 1
  10 #define READ_END  0
  11
  12 /*!
  13  * \class SignalHandler
  14  * \brief Handles SIGHUP and SIGINT signals.
  15  */
  16 class SignalHandler
  17 {
  18     struct sigaction signal_action;
  19 public:
  20     /*!
  21      * \brief Constructor for SignalHandler. Handles SIGHUP and SIGINT signals.
  22      */
  23     SignalHandler();
  24 };
  25
  26 class OpSys
  27 {
  28     string get_cwd();
  29     vector<vector<string>> history;
  30 public:
  31     string username;        // Username
  32     string hostname;        // User's hostname
  33     string cwd;             // Current working directory
  34     OpSys();
  35     void  change_dir(vector<string>);
  36     void  show_history();
  37     short simple_command(vector<string>);
  38     short piped_command (vector<string>, int);
  39     friend class Prompt;
  40 };
  41
  42 extern OpSys OS;
  43
  44 #endif // OPSYS_H