isLock

lock all records in an ISAM file

SYNOPSIS

int isLock( IsFile * isfd );

isfd isam file descriptor

RETURN

ISTRUE, or ISFALSE, in which case the error code is returned by isErrno, or found in isfd->iserrno

NOTES

this call will lock all records in the file against update by any process other than the current, or return ELOCKED if this is not possible.