[Info-vax] DCL, DLM, APIs, RAS, RuleWorks, etc

[Arne Vajhøj]

On 10/27/2022 7:18 PM, Arne Vajhøj wrote:
> On 10/27/2022 5:20 PM, Dave Froble wrote:
>> But I confess to curiosity, what would a better API for the DLM look 
>> like?  I've used it from Basic, and anything one can use from Basic 
>> has got to be rather simple.

> But if you want my take, then I think below would be good for 98% of cases.
> 
> Procedural:
> 
> lckid = lib$enqw(resnam, lockmode, flags)
> ...
> lib$deq(lckid)
> 
> OO:
> 
> lck = new Lock(resnam, flags)
> lck.get(lockmode)
> ...
> lck.release()

Locking is a common feature in distributed caches.

But they are often even simpler than above.

Hazelcast:

ILock lck = client.getLock(resnam);
lck.lock();
...
lck.unlock();

Apache Ignite:

Lock lck = cache.getLock(resnam);
lck.lock();
...
lck.unlock();

Arne