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Diffstat (limited to 'static/unix-v10/man4/tbl.4')
| -rw-r--r-- | static/unix-v10/man4/tbl.4 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/static/unix-v10/man4/tbl.4 b/static/unix-v10/man4/tbl.4 new file mode 100644 index 00000000..bd69ef31 --- /dev/null +++ b/static/unix-v10/man4/tbl.4 @@ -0,0 +1,90 @@ +.TH TBL 4 +.CT 2 tbl_man +.SH NAME +tbl \- kernel table file system +.SH DESCRIPTION +.I Tbl +is a file-system mount point that provides access to kernel data tables. +The name of each entry in the +.F /tbl +directory is the name of a directory +containing files that describe a kernel data table. +These files have the following names and contents: +.PP +.RS +.TF count +.TP +.B base +system base address of the table +.TP +.B count +number of elements in the table +.TP +.B data +table contents +.TP +.B size +size of a table element +.RE +.PD +.PP +The standard system-call interface is used to access +.IR tbl . +.IR Open (2) +and +.IR close (2) +behave as usual. +Data may be transferred +from or to any locations in the ``data'' file through +.I lseek, +.I read, +and +.IR write (2). +.PP +The following header files are useful in analyzing +.I tbl +``data'' files: +.PP +.RS +.TF <sys/param.h> +.TP +.B <sys/file.h> +``file'' structure +.TP +.B <sys/inode.h> +``inode'' structure +.TP +.B <sys/lnode.h> +``lnode'' structure +.TP +.B <sys/param.h> +size parameters +.TP +.B <sys/proc.h> +``proc'' structure +.TP +.B <sys/stream.h> +``stream'', ``block'', and ``queue'' structures +.TP +.B <sys/text.h> +``text'' structure +.TP +.B <sys/types.h> +special system types +.PD +.RE +.SH FILES +.F /tbl/*/base +.br +.F /tbl/*/count +.br +.F /tbl/*/data +.br +.F /tbl/*/size +.SH SEE ALSO +.IR fmount (2), +.IR tblmount (8), +.SH BUGS +The +.I super-user +may write on any file, despite the permissions. |