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OMI - Lock

Draft MDC Standard

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5.4.18 Lock

(Operation type 30) The lock operation claims exclusive use of an nref, which has the form of a global reference. 4.3.4 describes the coordination of multiple lock operations.

The fields of the lock request and their sequence shall be:

  1. Global reference: <LS> the reference being claimed.
  2. Client identifier: <SS> $Job (see ANSI/MDC X11.1, 7.1.4.10) of the client process making the request, an ASCII string of decimal digits.
<LS> <SS>
<LI> Global Reference <SI> Client ID

Figure 39 – Lock request

The lock response contains 1 field indicating whether the claim succeeded. 0 means no, and 1 means yes. All other values are reserved.

<SI>
Lock Grant

Figure 40 – Lock response

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This page most recently updated on 13-Sep-2014, 14:25:45.

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