summaryrefslogtreecommitdiffstats
path: root/src/kernel/ntqprocess.h
blob: 7b243c7ae56a28db9b79502d8639b85e4d811249 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
/****************************************************************************
**
** Implementation of TQProcess class
**
** Created : 20000905
**
** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef TQPROCESS_H
#define TQPROCESS_H

#ifndef QT_H
#include "ntqobject.h"
#include "ntqstringlist.h"
#include "ntqdir.h"
#endif // QT_H

#ifndef TQT_NO_PROCESS

class TQProcessPrivate;
class TQMembuf;


class Q_EXPORT TQProcess : public TQObject
{
    TQ_OBJECT
public:
    TQProcess( TQObject *parent=0, const char *name=0 );
    TQProcess( const TQString& arg0, TQObject *parent=0, const char *name=0 );
    TQProcess( const TQStringList& args, TQObject *parent=0, const char *name=0 );
    ~TQProcess();

    // set and get the arguments and working directory
    TQStringList arguments() const;
    void clearArguments();
    virtual void setArguments( const TQStringList& args );
    virtual void addArgument( const TQString& arg );
#ifndef TQT_NO_DIR
    TQDir workingDirectory() const;
    virtual void setWorkingDirectory( const TQDir& dir );
#endif

    // set and get the comms wanted
    enum Communication { Stdin=0x01, Stdout=0x02, Stderr=0x04, DupStderr=0x08 };
    void setCommunication( int c );
    int communication() const;

    // start the execution
    virtual bool start( TQStringList *env=0 );
    virtual bool launch( const TQString& buf, TQStringList *env=0  );
    virtual bool launch( const TQByteArray& buf, TQStringList *env=0  );

    // inquire the status
    bool isRunning() const;
    bool normalExit() const;
    int exitStatus() const;

    // reading
    virtual TQByteArray readStdout();
    virtual TQByteArray readStderr();
    bool canReadLineStdout() const;
    bool canReadLineStderr() const;
    virtual TQString readLineStdout();
    virtual TQString readLineStderr();

    // get platform dependent process information
#if defined(Q_OS_WIN32)
    typedef void* PID;
#else
    typedef TQ_LONG PID;
#endif
    PID processIdentifier();

    void flushStdin();

signals:
    void readyReadStdout();
    void readyReadStderr();
    void processExited();
    void wroteToStdin();
    void launchFinished();

public slots:
    // end the execution
    void tryTerminate() const;
    void kill() const;

    // input
    virtual void writeToStdin( const TQByteArray& buf );
    virtual void writeToStdin( const TQString& buf );
    virtual void closeStdin();

protected: // ### or private?
    void connectNotify( const char * signal );
    void disconnectNotify( const char * signal );
private:
    void setIoRedirection( bool value );
    void setNotifyOnExit( bool value );
    void setWroteStdinConnected( bool value );

    void init();
    void reset();
#if defined(Q_OS_WIN32)
    uint readStddev( HANDLE dev, char *buf, uint bytes );
#endif
    TQMembuf* membufStdout();
    TQMembuf* membufStderr();

private slots:
    void socketRead( int fd );
    void socketWrite( int fd );
    void timeout();
    void closeStdinLaunch();

private:
    TQProcessPrivate *d;
#ifndef TQT_NO_DIR
    TQDir        workingDir;
#endif
    TQStringList _arguments;

    int  exitStat; // exit status
    bool exitNormal; // normal exit?
    bool ioRedirection; // automatically set be (dis)connectNotify
    bool notifyOnExit; // automatically set be (dis)connectNotify
    bool wroteToStdinConnected; // automatically set be (dis)connectNotify

    bool readStdoutCalled;
    bool readStderrCalled;
    int comms;

    friend class TQProcessPrivate;
#if defined(Q_OS_UNIX)
    friend class TQProcessManager;
    friend class TQProc;
#endif

#if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
    TQProcess( const TQProcess & );
    TQProcess &operator=( const TQProcess & );
#endif
};

#endif // TQT_NO_PROCESS

#endif // TQPROCESS_H