Appendix: GATResult Codes

A variable of type GATResult is used to return the completion status of a function. This type is simply typedef'd to be a GATint32, a type covered in Appendix ,

/* The error/result code type */
typedef GATint32 GATResult;

The actual GATint32 returned contained within a variable of type GATResult actually contains five pieces of information within this one integer value. These are shown in table .

Table: GATResult's component parts.

Name	Description
Severity Code	A two bit number indicating how seriousness of the return value
Customer Code	A one bit number which mey be used by client code
Reserved Code	A one bit number which is reserved for internal use.
Facility Code	A 12 bit number indicating which faculty is reporting this result.
Facility Status Code	A 15 bit number indicating the faculty's return code.

These various pieces of information are arranged in the GATint32, i.e. GATResult, as shown in figure ,

**Figure:** Layout of a GATResult in memory.
[width=13cm]GATResult

Subsections

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Andre Merzky 2004-05-13