Unit 'amigados' Package
[Overview][Constants][Types][Procedures and functions][Index] [#amunits]

LockRecord

Locks a portion of a file

Declaration

Source position: amigados.pas line 1671

function LockRecord(

  fh: LongInt;

  offset: LongWord;

  length: LongWord;

  mode: LongWord;

  timeout: LongWord

):LongBool;

Arguments

fh

  

File handle for the file to lock a record of

offset

  

Starting position of the lock

length

  

Length of the record in bytes

mode

  

Lock type (REC_*) For the IMMED modes, the timeout is ignored.

timeout

  

imeout interval in ticks (1/50 seconds). 0 is legal.

Description

Lock a portion of a file for exclusive access. A timeout may be specified which is the maximum amount of time to wait for the record to be available.

See also

LockRecords

  

Lock a series of records

UnLockRecord

  

Unlock a record

UnLockRecords

  

Unlock a list of records


Documentation generated on: 2021-07-30