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-rw-r--r--src/process.cpp146
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1/*
2 * Copyright (C) 2007 Xagasoft, All rights reserved.
3 *
4 * This file is part of the libbu++ library and is released under the
5 * terms of the license contained in the file LICENSE.
6 */
7
8#include "process.h"
9#include <sys/types.h>
10#include <unistd.h>
11#include <stdarg.h>
12
13Bu::Process::Process( const char *sName, char *const argv[] )
14{
15 gexec( sName, argv );
16}
17
18Bu::Process::Process( const char *sName, const char *argv, ...)
19{
20 int iCnt = 0;
21 va_list ap;
22 va_start( ap, argv );
23 for(; va_arg( ap, const char *); iCnt++ );
24 va_end( ap );
25
26 char const **list = new char const *[iCnt+2];
27 va_start( ap, argv );
28 list[0] = argv;
29 for( int j = 1; j < iCnt; j++ )
30 list[j] = va_arg( ap, const char *);
31 list[iCnt+1] = NULL;
32 va_end( ap );
33
34 gexec( sName, (char *const *)list );
35 delete[] list;
36}
37
38Bu::Process::~Process()
39{
40}
41
42void Bu::Process::gexec( const char *sName, char *const argv[] )
43{
44 int iaStdIn[2];
45 int iaStdOut[2];
46 int iaStdErr[2];
47 pipe( iaStdIn );
48 pipe( iaStdOut );
49 pipe( iaStdErr );
50
51 iStdIn = iaStdIn[1];
52 iStdOut = iaStdOut[0];
53 iStdErr = iaStdErr[0];
54
55 iPid = fork();
56 if( iPid == 0 )
57 {
58 ::close( iaStdIn[1] );
59 ::close( iaStdOut[0] );
60 ::close( iaStdErr[0] );
61 dup2( iaStdIn[0], 0 );
62 dup2( iaStdOut[1], 1 );
63 dup2( iaStdErr[1], 2 );
64 execvp( sName, argv );
65 }
66}
67
68void Bu::Process::close()
69{
70}
71
72size_t Bu::Process::read( void *pBuf, size_t nBytes )
73{
74 return ::read( iStdOut, pBuf, nBytes );
75}
76
77size_t Bu::Process::write( const void *pBuf, size_t nBytes )
78{
79 return ::write( iStdIn, pBuf, nBytes );
80}
81
82long Bu::Process::tell()
83{
84 return 0;
85}
86
87void Bu::Process::seek( long offset )
88{
89}
90
91void Bu::Process::setPos( long pos )
92{
93}
94
95void Bu::Process::setPosEnd( long pos )
96{
97}
98
99bool Bu::Process::isEOS()
100{
101 return false;
102}
103
104bool Bu::Process::isOpen()
105{
106 return true;
107}
108
109void Bu::Process::flush()
110{
111}
112
113bool Bu::Process::canRead()
114{
115 return true;
116}
117
118bool Bu::Process::canWrite()
119{
120 return true;
121}
122
123bool Bu::Process::isReadable()
124{
125 return true;
126}
127
128bool Bu::Process::isWritable()
129{
130 return true;
131}
132
133bool Bu::Process::isSeekable()
134{
135 return false;
136}
137
138bool Bu::Process::isBlocking()
139{
140 return true;
141}
142
143void Bu::Process::setBlocking( bool bBlocking )
144{
145}
146