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OMI - Close Device

Draft MDC Standard

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5.4.23 Close device

(Operation type 42) relinquishes ownership of a device granted by a precedent open device transaction. The device parameters of the request pertain only to the mnemonic space contained in the request. The fields of the close device request and their sequence shall be:

  1. Environment: <LS> the server’s environment for the device.
  2. Device name: <LS> the server’s name for the device from the open device response.
  3. Client identifier: <SS> $Job (see ANSI/MDC X11.1) of the client process making the request, an ASCII string of decimal digits.
  4. Style: <SI> 0 denotes the positional style, and 1 denotes the keyword style of device parameters. All other values are reserved.
  5. Device parameters: <LS> as defined in 5.3.7.
  6. Mnemonic space: <SS> the server’s name for the mnemonic space to which these device parameters apply.
<LS> <LS> <SS> <SI>
<LI> Environment <LI> Device Name <SI> Client ID Style

<LS> <SS>
<LI> Device Params <SI> Mnemonic Space

Figure 45 – Close device request

The close device response shall consist of a header only. If output has not finished, the server shall return the output pending error condition and shall not relinquish the device. See also 5.4.24.

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Copyright © Standard Documents; 1977-2024 MUMPS Development Committee;
Copyright © Examples: 1995-2024 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2024 Ed de Moel.

Some specifications are "approved for inclusion in a future standard". Note that the MUMPS Development Committee cannot guarantee that such future standards will indeed be published.

This page most recently updated on 14-Nov-2023, 21:49:23.

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