Mercurial > octave
view libinterp/corefcn/oct-procbuf.h @ 31707:5f11de0e7440
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 06 Jan 2023 13:12:14 -0500 |
parents | dfa5d9c3ae72 597f3ee61a48 |
children | 21f9b34eb893 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2023 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" OCTAVE_BEGIN_NAMESPACE(octave) class procbuf : public c_file_ptr_buf { public: procbuf (void) : c_file_ptr_buf (nullptr), m_wstatus (-1), m_open_p (false), m_proc_pid (-1), m_next (nullptr) { } procbuf (const char *command, int mode) : c_file_ptr_buf (nullptr), m_wstatus (-1), m_open_p (false), m_proc_pid (-1), m_next (nullptr) { open (command, mode); } // No copying! procbuf (const procbuf&) = delete; procbuf& operator = (const procbuf&) = delete; ~procbuf (void) { close (); } procbuf * open (const char *command, int mode); procbuf * close (void); int wait_status (void) const { return m_wstatus; } bool is_open (void) const { return m_open_p; } pid_t pid (void) const { return m_proc_pid; } protected: int m_wstatus; bool m_open_p; pid_t m_proc_pid; procbuf *m_next; }; OCTAVE_END_NAMESPACE(octave) #endif