Experimental Physics and Industrial Control System
Subject: |
Re: Lock sets for read access |
From: |
[email protected] (Tim Mooney) |
Date: |
Wed, 30 Nov 94 12:36:37 CST |
re...
> From [email protected] Tue Nov 22 17:53:05 1994
>
> > From [email protected] Tue Nov 22 08:35 CST 1994
...
> > So, my thoughts are:
> > 1) Do lock sets inhibit read access as well as write and process access?
>
> Starting with 3.12 reads from outside the database, i.e. from channel access,
> lock. Previously this was not true. Note however that each individual read
> locks. Thus if you have a series of ca_gets you will not get what you want.
Could you clarify that? If a read is attempted while a record is locked
because a member of its lock set is processing, does the read pend until
the lock goes away?
Tim Mooney
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