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File Management - IBM

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Table 20. Open Feedback Area (continued)<br />

Offset Data Type Length Contents <strong>File</strong> Type<br />

115 Character 1 Miscellaneous flags.<br />

Bit 1: Reserved.<br />

Bit 2: <strong>File</strong> shareable<br />

0 <strong>File</strong> was not opened shareable.<br />

1 <strong>File</strong> was opened shareable (SHARE(*YES)).<br />

Bit 3: Commitment control<br />

0 <strong>File</strong> is not under commitment control.<br />

1 <strong>File</strong> is under commitment control.<br />

Bit 4: Commitment lock level<br />

0 Only changed records are locked (LCKLVL (*CHG)).<br />

If this bit is zero and bit 8 of the character at offset 132 is<br />

one, then all records accessed are locked, but the locks are<br />

released when the current position in the file changes<br />

(LCKLVL (*CS)).<br />

1 All records accessed are locked (LCKLVL (*ALL)).<br />

Bit 5: Member type<br />

0 Member is a physical file member.<br />

1 Member is a logical file member.<br />

Bit 6: Field-level descriptions<br />

0 <strong>File</strong> does not contain field-level descriptions.<br />

1 <strong>File</strong> contains field-level descriptions.<br />

Bit 7: DBCS or graphic-capable file<br />

0 <strong>File</strong> does not contain DBCS or graphic-capable fields.<br />

1 <strong>File</strong> does contain DBCS or graphic-capable fields.<br />

Bit 8: End-of-file delay<br />

0 End-of-file delay processing is not being done.<br />

1 End-of-file delay processing is being done.<br />

116 Character 10 Name of the requester device. For display files, this is the name of the display<br />

device description that is the requester device. For ICF files, this is the program<br />

device name associated with the remote location of *REQUESTER.<br />

This field is supplied only when either a device or remote location name of<br />

*REQUESTER is being attached to the file by an open or acquire operation.<br />

Otherwise, this field contains *N.<br />

126 Binary 2 <strong>File</strong> open count. If the file has not been opened shareable, this field contains a 1. If<br />

the file has been opened shareable, this field contains the number of programs<br />

currently attached to this file.<br />

128 Binary 2 Reserved.<br />

130 Binary 2 Number of based-on physical members opened. For logical members, this is the<br />

number of physical members over which the logical member was opened. For<br />

physical members, this field is always set to 1.<br />

132 Character 1 Miscellaneous flags.<br />

All<br />

Database<br />

Database<br />

Database<br />

All, except<br />

database<br />

Database,<br />

display,<br />

printer, tape,<br />

diskette, and<br />

ICF<br />

Database<br />

Display, ICF<br />

All<br />

Database<br />

Appendix A. Feedback area layouts 171

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