[Info-vax] VMS enhancement suggestion: Add a "read regardless" file open option.
Stephen Hoffman
seaohveh at hoffmanlabs.invalid
Tue Nov 10 12:19:05 EST 2020
On 2020-11-10 13:25:30 +0000, Simon Clubley said:
> On 2020-11-09, Dave Froble <davef at tsoft-inc.com> wrote:
>>
>> Seems like VAX Basic has a "read regardless" lock qualifier ...
>>
>
> I wasn't aware of that. Does it allow you to open a sequential file for
> reading while the file is also in the process of being created by
> another program ? You can clearly do it for batch log files but what
> about programs that don't specify that writing mode when creating a
> sequential file ?
C has access to RRL, too.
But RRL doesn't help with a locked file.
RRL is applicable when a file is already open and already accessed, and
a record lock is to be overridden.
--
Pure Personal Opinion | HoffmanLabs LLC
More information about the Info-vax
mailing list