FLOCK()

Locks a file

Syntax

      FLOCK() --> lSuccess

Returns

<lSuccess> A true (.T.) value, if the lock was successful;otherwise false (.F.)

Description

This function returns a logical true (.T.) if a file lock is attempted and is successfully placed on the current or designated database. This function will also unlock all records locks placed by the same network station.

Examples

      USE tests New
      IF FLOCK()
         SUM tests->Ammount
      ENDIF
      USE

Compliance

Clipper

Files

Library is rdd

Seealso

RLOCK()