wait/notifyAll like in Java

BLS Killing_Zoe at web.de
Thu Mar 1 12:51:04 PST 2007


BLS schrieb:
> BLS schrieb:
> 
>> Frank Benoit (keinfarbton) schrieb:
>>
>>> While porting java stuff, i come to this:
>>>
>>> How can I implement a JObject class as a base of all the ported classes
>>> to have wait/notify/notifyAll with the behaviour like in Java.
>>>
>>> http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html
>>>
>>> The "synchronized" of D objects, already uses some monitor.
>>> Is it possible to access and use it for such an implementation?
>>
>>
>>
>> Hi Frank,
>> probabely this hint is simply shi* but
>> I suggest to have a look on Dough Leas concurrent library at :
>>
>> http://g.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/intro.html 
>>
>>
>>  The package mainly consists of implementations of a few interfaces:
>>
>>     * Sync -- locks, conditions
>>     * Channel -- queues, buffers
>>     * Barrier -- multi-party synchronization
>>     * SynchronizedVariable -- atomic ints, refs etc
>>      * Executor -- replacements for direct use of Thread
>>
>> wait() is AFAIK implemented
>> try
>>    {
>>      while (true)
>>        lock.wait();
>>    }
>>  catch (InterruptedException e)
>>    {
>>    }
>>
>> HTH and Sorry in case that I miss something. ;-)
>> Bjoern
> 
> 
> Some additional info from *sync.java*
> 
>  * Main interface for locks, gates, and conditions.
>  * Sync objects isolate waiting and notification for particular
>  * logical states, resource availability, events, and the like that are
>  * shared across multiple threads. Use of Syncs sometimes
>  * (but by no means always) adds flexibility and efficiency
>  * compared to the use of plain java monitor methods
>  * and locking, and are sometimes (but by no means always)
>  * simpler to program with.
> 
> Regards, Bjoern
Hell, I am out of order.
1) The java package is public domain,
2) Ben Hinkle has translated this package into D;
...........
Bjoern exit



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