/*

 * lftp - file transfer program

 *

 * Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)

 *

 * 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 PROCWAIT_H

#define PROCWAIT_H

#include <sys/types.h>

#include <signal.h>

#include "SMTask.h"

#include "xmap.h"

class ProcWait : public SMTask

{

public:

   enum	State

   {

      TERMINATED,

      RUNNING,

      ERROR

   };

protected:

   static xmap<ProcWait*> all_proc;

   static const xstring& proc_key(pid_t p); // make key for xmap

   const pid_t pid;

   State status;

   int	 term_info;

   int	 saved_errno;

   bool  auto_die;

   bool  handle_info(int info); // true if finished

   ~ProcWait();

public:

   int	 Do();

   State GetState() { return status; }

   int	 GetInfo() { return term_info; }

   int	 Kill(int sig=SIGTERM);

   void Auto() { auto_die=true; }

   ProcWait(pid_t p);

   static void Signal(bool yes);

   static void DeleteAll();

};

#endif /* PROCWAIT_H */