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annotate libinterp/corefcn/oct-procbuf.h @ 33617:ec2635a02328 bytecode-interpreter tip

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maint: Merge default to bytecode-interpreter.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 21 May 2024 18:29:03 +0200
parents 4b601ca024d5
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2024 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 // This class is based on the procbuf class from libg++, written by
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27 // Per Bothner, Copyright (C) 1993 Free Software Foundation.
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28
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29 #if ! defined (octave_oct_procbuf_h)
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30 #define octave_oct_procbuf_h 1
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31
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32 #include "octave-config.h"
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33
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34 #include <sys/types.h>
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35
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36 #include "c-file-ptr-stream.h"
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37
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38 OCTAVE_BEGIN_NAMESPACE(octave)
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39
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40 class procbuf : public c_file_ptr_buf
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41 {
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42 public:
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43
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44 procbuf ()
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45 : c_file_ptr_buf (nullptr), m_wstatus (-1), m_open_p (false),
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46 m_proc_pid (-1), m_next (nullptr)
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47 { }
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48
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49 procbuf (const char *command, int mode)
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50 : c_file_ptr_buf (nullptr), m_wstatus (-1), m_open_p (false),
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51 m_proc_pid (-1), m_next (nullptr)
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52 { open (command, mode); }
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53
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54 OCTAVE_DISABLE_COPY_MOVE (procbuf)
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55
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56 ~procbuf () { close (); }
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57
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58 procbuf * open (const char *command, int mode);
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59
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60 procbuf * close ();
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61
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62 int wait_status () const { return m_wstatus; }
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63
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64 bool is_open () const { return m_open_p; }
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65
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66 pid_t pid () const { return m_proc_pid; }
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67
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68 protected:
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69
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70 int m_wstatus;
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71
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72 bool m_open_p;
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73
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74 pid_t m_proc_pid;
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76 procbuf *m_next;
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77 };
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78
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79 OCTAVE_END_NAMESPACE(octave)
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80
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81 #endif