tjprocess.h

/***************************************************************************
                          tjprocess.h  -  description
                             -------------------
    begin                : Sat May 5 2007
    copyright            : (C) 2000-2021 by Thies H. Jochimsen
    email                : thies@jochimsen.de
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef TJPROCESS_H
#define TJPROCESS_H
 
#include <tjutils/tjstring.h>
#include <tjutils/tjarray.h>
 
 
// for debugging
class ProcessComponent {
 public:
  static const char* get_compName();
};
 
 
 
class Process {
 
 public:
 
  Process() {reset();}
 
  bool start(const STD_string& cmdline, bool block_till_finished=false, bool log_std_streams=true);
 
  bool finished(int& proc_return_value, STD_string& stdout_result, STD_string& stderr_result, bool block_till_finished=false);
 
  bool finished(int& proc_return_value, bool block_till_finished=false);
 
  bool kill(const svector& extra_kill=svector());
 
  static int system(const STD_string& cmdline, STD_string& stdout_result, STD_string& stderr_result);
 
 
  // Comparison operators for list of processes with STL replacement
  bool operator == (const Process& op) const {return pid==op.pid;}
  bool operator <  (const Process& op) const {return pid!=op.pid;}
  bool operator != (const Process& op) const {return !(*this==op);}
 
 private:
 
  static bool read_pipe(int fd, STD_string& result);
  void reset() {pid=0; stdout_child=-1; stderr_child=-1;}
 
  int pid;
  int stdout_child;
  int stderr_child;
};
 
 
 
#endif