diff options
Diffstat (limited to 'src/unstable/fifo.cpp')
-rw-r--r-- | src/unstable/fifo.cpp | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/src/unstable/fifo.cpp b/src/unstable/fifo.cpp index 6f327df..4b4a2bf 100644 --- a/src/unstable/fifo.cpp +++ b/src/unstable/fifo.cpp | |||
@@ -17,75 +17,75 @@ | |||
17 | namespace Bu { subExceptionDef( FifoException ) } | 17 | namespace Bu { subExceptionDef( FifoException ) } |
18 | 18 | ||
19 | Bu::Fifo::Fifo( const Bu::String &sName, int iFlags, mode_t mAcc ) : | 19 | Bu::Fifo::Fifo( const Bu::String &sName, int iFlags, mode_t mAcc ) : |
20 | iFlags( iFlags ), | 20 | iFlags( iFlags ), |
21 | iIn( -1 ), | 21 | iIn( -1 ), |
22 | iOut( -1 ) | 22 | iOut( -1 ) |
23 | { | 23 | { |
24 | #ifndef WIN32 | 24 | #ifndef WIN32 |
25 | if( iFlags&Create ) | 25 | if( iFlags&Create ) |
26 | { | 26 | { |
27 | if( mkfifo( sName.getStr(), mAcc ) ) | 27 | if( mkfifo( sName.getStr(), mAcc ) ) |
28 | { | 28 | { |
29 | throw FifoException("Error creating fifo: %s\n", strerror( errno ) ); | 29 | throw FifoException("Error creating fifo: %s\n", strerror( errno ) ); |
30 | } | 30 | } |
31 | } | 31 | } |
32 | if( iFlags&Read ) | 32 | if( iFlags&Read ) |
33 | { | 33 | { |
34 | iIn = ::open( | 34 | iIn = ::open( |
35 | sName.getStr(), | 35 | sName.getStr(), |
36 | O_RDONLY|((iFlags&NonBlock)?O_NONBLOCK:0) | 36 | O_RDONLY|((iFlags&NonBlock)?O_NONBLOCK:0) |
37 | ); | 37 | ); |
38 | } | 38 | } |
39 | if( iFlags&Write ) | 39 | if( iFlags&Write ) |
40 | { | 40 | { |
41 | iOut = ::open( | 41 | iOut = ::open( |
42 | sName.getStr(), | 42 | sName.getStr(), |
43 | O_WRONLY | 43 | O_WRONLY |
44 | ); | 44 | ); |
45 | } | 45 | } |
46 | #else | 46 | #else |
47 | #warning Bu::Fifo::Fifo IS A STUB for WIN32!!!! | 47 | #warning Bu::Fifo::Fifo IS A STUB for WIN32!!!! |
48 | #endif | 48 | #endif |
49 | } | 49 | } |
50 | 50 | ||
51 | Bu::Fifo::~Fifo() | 51 | Bu::Fifo::~Fifo() |
52 | { | 52 | { |
53 | close(); | 53 | close(); |
54 | } | 54 | } |
55 | 55 | ||
56 | void Bu::Fifo::close() | 56 | void Bu::Fifo::close() |
57 | { | 57 | { |
58 | if( iIn > -1 ) | 58 | if( iIn > -1 ) |
59 | { | 59 | { |
60 | ::close( iIn ); | 60 | ::close( iIn ); |
61 | iIn = -1; | 61 | iIn = -1; |
62 | } | 62 | } |
63 | if( iOut > -1 ) | 63 | if( iOut > -1 ) |
64 | { | 64 | { |
65 | ::close( iOut ); | 65 | ::close( iOut ); |
66 | iOut = -1; | 66 | iOut = -1; |
67 | } | 67 | } |
68 | } | 68 | } |
69 | 69 | ||
70 | Bu::size Bu::Fifo::read( void *pBuf, Bu::size nBytes ) | 70 | Bu::size Bu::Fifo::read( void *pBuf, Bu::size nBytes ) |
71 | { | 71 | { |
72 | if( iIn < 0 ) | 72 | if( iIn < 0 ) |
73 | throw FifoException("Fifo not open for reading."); | 73 | throw FifoException("Fifo not open for reading."); |
74 | 74 | ||
75 | return TEMP_FAILURE_RETRY( ::read( iIn, pBuf, nBytes ) ); | 75 | return TEMP_FAILURE_RETRY( ::read( iIn, pBuf, nBytes ) ); |
76 | } | 76 | } |
77 | 77 | ||
78 | Bu::size Bu::Fifo::write( const void *pBuf, Bu::size nBytes ) | 78 | Bu::size Bu::Fifo::write( const void *pBuf, Bu::size nBytes ) |
79 | { | 79 | { |
80 | if( iOut < 0 ) | 80 | if( iOut < 0 ) |
81 | throw FifoException("Fifo not open for writing."); | 81 | throw FifoException("Fifo not open for writing."); |
82 | 82 | ||
83 | return TEMP_FAILURE_RETRY( ::write( iOut, pBuf, nBytes ) ); | 83 | return TEMP_FAILURE_RETRY( ::write( iOut, pBuf, nBytes ) ); |
84 | } | 84 | } |
85 | 85 | ||
86 | Bu::size Bu::Fifo::tell() | 86 | Bu::size Bu::Fifo::tell() |
87 | { | 87 | { |
88 | return -1; | 88 | return -1; |
89 | } | 89 | } |
90 | 90 | ||
91 | void Bu::Fifo::seek( Bu::size ) | 91 | void Bu::Fifo::seek( Bu::size ) |
@@ -102,53 +102,53 @@ void Bu::Fifo::setPosEnd( Bu::size ) | |||
102 | 102 | ||
103 | bool Bu::Fifo::isEos() | 103 | bool Bu::Fifo::isEos() |
104 | { | 104 | { |
105 | return false; | 105 | return false; |
106 | } | 106 | } |
107 | 107 | ||
108 | bool Bu::Fifo::canRead() | 108 | bool Bu::Fifo::canRead() |
109 | { | 109 | { |
110 | return (iIn>-1); | 110 | return (iIn>-1); |
111 | } | 111 | } |
112 | 112 | ||
113 | bool Bu::Fifo::canWrite() | 113 | bool Bu::Fifo::canWrite() |
114 | { | 114 | { |
115 | return (iOut>-1); | 115 | return (iOut>-1); |
116 | } | 116 | } |
117 | 117 | ||
118 | bool Bu::Fifo::isReadable() | 118 | bool Bu::Fifo::isReadable() |
119 | { | 119 | { |
120 | return (iIn>-1); | 120 | return (iIn>-1); |
121 | } | 121 | } |
122 | 122 | ||
123 | bool Bu::Fifo::isWritable() | 123 | bool Bu::Fifo::isWritable() |
124 | { | 124 | { |
125 | return (iOut>-1); | 125 | return (iOut>-1); |
126 | } | 126 | } |
127 | 127 | ||
128 | bool Bu::Fifo::isSeekable() | 128 | bool Bu::Fifo::isSeekable() |
129 | { | 129 | { |
130 | return false; | 130 | return false; |
131 | } | 131 | } |
132 | 132 | ||
133 | bool Bu::Fifo::isBlocking() | 133 | bool Bu::Fifo::isBlocking() |
134 | { | 134 | { |
135 | #ifndef WIN32 | 135 | #ifndef WIN32 |
136 | return ((fcntl( iIn, F_GETFL, 0 )&O_NONBLOCK) == O_NONBLOCK); | 136 | return ((fcntl( iIn, F_GETFL, 0 )&O_NONBLOCK) == O_NONBLOCK); |
137 | #else | 137 | #else |
138 | #warning Bu::Fifo::isBlocking IS A STUB for WIN32!!!! | 138 | #warning Bu::Fifo::isBlocking IS A STUB for WIN32!!!! |
139 | #endif | 139 | #endif |
140 | } | 140 | } |
141 | 141 | ||
142 | void Bu::Fifo::setBlocking( bool bBlocking ) | 142 | void Bu::Fifo::setBlocking( bool bBlocking ) |
143 | { | 143 | { |
144 | #ifndef WIN32 | 144 | #ifndef WIN32 |
145 | if( bBlocking ) | 145 | if( bBlocking ) |
146 | fcntl( iIn, F_SETFL, fcntl( iIn, F_GETFL, 0 )&(~O_NONBLOCK) ); | 146 | fcntl( iIn, F_SETFL, fcntl( iIn, F_GETFL, 0 )&(~O_NONBLOCK) ); |
147 | else | 147 | else |
148 | fcntl( iIn, F_SETFL, fcntl( iIn, F_GETFL, 0 )|O_NONBLOCK ); | 148 | fcntl( iIn, F_SETFL, fcntl( iIn, F_GETFL, 0 )|O_NONBLOCK ); |
149 | #else | 149 | #else |
150 | #warning Bu::Fifo::setBlocking IS A STUB for WIN32!!!! | 150 | #warning Bu::Fifo::setBlocking IS A STUB for WIN32!!!! |
151 | #endif | 151 | #endif |
152 | } | 152 | } |
153 | 153 | ||
154 | void Bu::Fifo::flush() | 154 | void Bu::Fifo::flush() |
@@ -157,6 +157,6 @@ void Bu::Fifo::flush() | |||
157 | 157 | ||
158 | bool Bu::Fifo::isOpen() | 158 | bool Bu::Fifo::isOpen() |
159 | { | 159 | { |
160 | return (iIn > -1) || (iOut > -1); | 160 | return (iIn > -1) || (iOut > -1); |
161 | } | 161 | } |
162 | 162 | ||