| 1 | /**********************************************************************
|
|---|
| 2 | *
|
|---|
| 3 | * os_process.h -- base class for OS specific calls related to creating
|
|---|
| 4 | * process *without* (in the case of Windows) opening a
|
|---|
| 5 | * DOS window.
|
|---|
| 6 | *
|
|---|
| 7 | * Nett effect is OS neutral way to support
|
|---|
| 8 | * popen() and related functions
|
|---|
| 9 | *
|
|---|
| 10 | * Copyright (C) 2010 The New Zealand Digital Library Project
|
|---|
| 11 | *
|
|---|
| 12 | * A component of the Greenstone digital library software
|
|---|
| 13 | * from the New Zealand Digital Library Project at the
|
|---|
| 14 | * University of Waikato, New Zealand.
|
|---|
| 15 | *
|
|---|
| 16 | * This program is free software; you can redistribute it and/or modify
|
|---|
| 17 | * it under the terms of the GNU General Public License as published by
|
|---|
| 18 | * the Free Software Foundation; either version 2 of the License, or
|
|---|
| 19 | * (at your option) any later version.
|
|---|
| 20 | *
|
|---|
| 21 | * This program is distributed in the hope that it will be useful,
|
|---|
| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 24 | * GNU General Public License for more details.
|
|---|
| 25 | *
|
|---|
| 26 | * You should have received a copy of the GNU General Public License
|
|---|
| 27 | * along with this program; if not, write to the Free Software
|
|---|
| 28 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 29 | *
|
|---|
| 30 | *********************************************************************/
|
|---|
| 31 |
|
|---|
| 32 | #ifndef OS_PROCESS_H
|
|---|
| 33 | #define OS_PROCESS_H
|
|---|
| 34 |
|
|---|
| 35 | #include <stdlib.h>
|
|---|
| 36 |
|
|---|
| 37 | enum OSProcessPipeMode { uniRead=0, uniWrite=1, biReadWrite=2 };
|
|---|
| 38 | enum OSProcessWarnStatus { withoutWarning, withWarning };
|
|---|
| 39 |
|
|---|
| 40 | class osprocess
|
|---|
| 41 | {
|
|---|
| 42 |
|
|---|
| 43 | public:
|
|---|
| 44 | osprocess(OSProcessPipeMode mode,
|
|---|
| 45 | char* prog_name, char* argv[]=NULL, char* envp[]=NULL);
|
|---|
| 46 |
|
|---|
| 47 | virtual ~osprocess();
|
|---|
| 48 |
|
|---|
| 49 | /* one day might want these
|
|---|
| 50 | virtual bool end_of_pipe();
|
|---|
| 51 | virtual bool end_of_read_pipe();
|
|---|
| 52 | virtual bool end_of_write_pipe();
|
|---|
| 53 | */
|
|---|
| 54 |
|
|---|
| 55 | virtual int write(char* buffer, const int buffer_len)=0;
|
|---|
| 56 | virtual int read(char* buffer, const int buffer_len)=0;
|
|---|
| 57 |
|
|---|
| 58 | virtual void wait()=0;
|
|---|
| 59 |
|
|---|
| 60 | virtual bool close_write_pipe(OSProcessWarnStatus warn_status=withWarning)=0;
|
|---|
| 61 | virtual bool close_read_pipe(OSProcessWarnStatus warn_status=withWarning)=0;
|
|---|
| 62 | virtual bool close();
|
|---|
| 63 |
|
|---|
| 64 |
|
|---|
| 65 | protected:
|
|---|
| 66 | OSProcessPipeMode mode_;
|
|---|
| 67 | };
|
|---|
| 68 |
|
|---|
| 69 | #endif
|
|---|
| 70 |
|
|---|
