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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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.
//
// Octave 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 Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
// This class is based on the procbuf class from libg++, written by
// Per Bothner, Copyright (C) 1993 Free Software Foundation.
#if ! defined (octave_oct_procbuf_h)
#define octave_oct_procbuf_h 1
#include "octave-config.h"
#include <sys/types.h>
#include "c-file-ptr-stream.h"
class
octave_procbuf : public c_file_ptr_buf
{
public:
octave_procbuf (void)
: c_file_ptr_buf (nullptr), wstatus (-1), open_p (false), proc_pid (-1),
next (nullptr) { }
octave_procbuf (const char *command, int mode)
: c_file_ptr_buf (nullptr), wstatus (-1), open_p (false), proc_pid (-1),
next (nullptr) { open (command, mode); }
// No copying!
octave_procbuf (const octave_procbuf&) = delete;
octave_procbuf& operator = (const octave_procbuf&) = delete;
~octave_procbuf (void) { close (); }
octave_procbuf * open (const char *command, int mode);
octave_procbuf * close (void);
int wait_status (void) const { return wstatus; }
bool is_open (void) const { return open_p; }
pid_t pid (void) const { return proc_pid; }
protected:
int wstatus;
bool open_p;
pid_t proc_pid;
octave_procbuf *next;
};
extern void symbols_of_oct_procbuf (void);
#endif
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