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[/] [branches/] [gnubinutils/] [modules/] [streams/] [defs.inc] - Blame information for rev 380

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;The MIT License
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;
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;Copyright (c) 2009 Dylan Smith
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;
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;Permission is hereby granted, free of charge, to any person obtaining a copy
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;of this software and associated documentation files (the "Software"), to deal
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;in the Software without restriction, including without limitation the rights
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;to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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;copies of the Software, and to permit persons to whom the Software is
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;furnished to do so, subject to the following conditions:
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;
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;The above copyright notice and this permission notice shall be included in
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;all copies or substantial portions of the Software.
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;
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;THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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;IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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;FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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;AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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;LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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;OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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;THE SOFTWARE.
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; Definitions for streams.
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; Flags that describe what kind of stream we have.
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ISFILE          equ 1
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RDONLY          equ 2
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ISDIR           equ 4
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ISCTRL          equ 8
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; Bit positions for the above
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BIT_ISFILE      equ 0
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BIT_RDONLY      equ 1
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BIT_ISDIR       equ 2
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BIT_ISCTRL      equ 3
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; Offsets for stream metadata.
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STRM_WRITEBUF   equ 0           ; Write buffer number
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STRM_READBUF    equ 1           ; Read buffer number
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STRM_WRITEPTR   equ 2           ; Write pointer
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STRM_READPTR    equ 3           ; Read pointer
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STRM_FD         equ 4           ; File/socket/dir handle
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STRM_FLAGS      equ 5           ; Flags bitfield
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STRM_REMAINING  equ 6           ; Remaining buffer size
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; State variables - offsets (note offset 5 is STRM_FLAGS)
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OFS_FLAGS       equ 0
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OFS_CURCMD      equ 1
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OFS_CURSTATE    equ 2
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OFS_STREAM      equ 3
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OFS_CURDATA     equ 6
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; Definitions.
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BUFMETADATA     equ 0x1000
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BUFDATASZ       equ 8
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; Command definitions for the control channel
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CMD_POLLALL     equ 'p'
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STREAM_ROM_ID   equ 0x02
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INTERPWKSPC     equ 0x3000