Lock description type for fpFCntl lock call.
Source position: ostypes.inc line 170
type FLock = record
l_type: cshort ;
Type of lock.
l_whence: cshort ;
Where to measure start of lock from
l_start: kernel_off_t ;
Start of lock
l_len: kernel_off_t ;
Length of locked area
l_pid: pid_t ;
Process ID of process holding the lock
end;