DSM/Tape Catalog Management Programming Manual

Communicating With MEDIASRV

DSM/Tape Catalog Management Programming Manual—520481-003

2-6

Starting a MEDIASRV Process Using the

PROCESS_CREATE_ Procedure

file-number

contains a file number for use in subsequent references to the process, as in the

FILE_OPEN_ and FILE_CLOSE_ procedure calls shown here.

startup-message

has the structure:

[0] message-code (-1)

[1:8] subvol (blank)

[9:20] in (blank)

[21:32] out (blank)

[33:n] parameter [value] [;parameter [value]]…

message-code

contains -1.

subvol

is not used by MEDIASRV and should be blank.

out

is not used by MEDIASRV and should be blank.

parameter value

is any of the startup parameter/value pairs described in Starting a MEDIASRV

Process Using the RUN Command on page 2-2.

Startup Message Structure

This TAL code reveals the structure of a startup message:

STRUCT .start^up;

BEGIN

INT msgcode;

STRUCT default;

BEGIN

INT volume [0:3],

subvol [0:3];

END

STRUCT INFILE;

BEGIN

INT volume [0:3],

subvol [0:3],

filename [0:3];

END

STRUCT OUTFILE;