CONN_USING_FILE

Defines file information for a file opened by a connection

Service:File System

Defined In:nwfile.h

Structure

   typedef struct { 
      NWCONN_NUM   connNumber ; 
      nuint16      taskNumber ; 
      nuint8       lockType ; 
      nuint8       accessControl ; 
      nuint8       lockFlag ; 
   } CONN_USING_FILE;

Delphi Structure

   uses calwin32 
    
    CONN_USING_FILE = Record 
       connNumber : NWCONN_NUM; 
       taskNumber : nuint16; 
       lockType : nuint8; 
       accessControl : nuint8; 
       lockFlag : nuint8 
     End;

Fields

connNumber: Specifies the logical connection number of a workstation using the file.
taskNumber: Specifies the number of the task which opened the file. A given connection may have several task numbers associated with the same file.
lockType: Specifies how the file is locked.
accessControl: Specifies how the file is accessed.
lockFlag: Specifies whether the file is locked.

Remarks

The lockType field can have the following values:

0x01 Locked
0x02 Open shareable
0x04 Logged
0x08 Open Normal
0x40 TTS holding
0x80 Transaction flag set

The accessControl field can have the following values:

0x01 Open for read by this client
0x02 Open for write by this client
0x04 Deny read requests from others
0x08 Deny write requests from others
0x10 File detached
0x20 TTS holding detach
0x40 TTS holding open

The lockFlag field can have the following values:

0x00 Not locked
0xFE Locked by a file lock
0xFF Locked by begin share file set