Unit 'AmigaDOS'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#morphunits]

LockRecord

Locks a portion of a file

Declaration

Source position: amigados.pas line 1809

function LockRecord(

fh: LongInt;

offset: Cardinal;

length: Cardinal;

mode: Cardinal;

timeout: Cardinal

):LongBool;

`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.

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.