Async messages to a thread.

[lindenk]

On Monday, 29 July 2013 at 17:26:55 UTC, Sean Kelly wrote:
> On Jul 29, 2013, at 10:07 AM, lindenk <ztaticnull at gmail.com> 
> wrote:
>
>> After a bit more research it looks like everyone else uses -
>> 
>> while(checkIfRunning())
>> {
>>    // block with timeout
>> }
>> 
>> which leads me to believe this might not be possible or 
>> standard. Although, should something along the lines of this 
>> be possible?
>
> It sounds like you're maybe doing socket IO?  In those cases, 
> you can open a pipe for signaling.  select() on whatever other 
> socket plus the read end of the pipe, and if you want to break 
> out of the blocking select() call, write a byte to the pipe.  
> Ultimately, std.concurrency should get some socket integration 
> so data can arrive as messages, but that will never be as 
> efficient as the approach I've described.
>
>> Process p = new Process();
>> p.doTask(p.func()); //create new thread and start function
>> 
>> // do stuff until this needs to exit
>> 
>> p.stop(); // halt running function,
>> p.cleanup(); // call a clean up function for func's resources
>> p.kill(); // forcibly kill the thread
>
> Forcibly killing threads tends to be a pretty bad idea if you 
> intend to keep running after the thread is killed.  It can even 
> screw up attempts at a clean shutdown.


The blocking function will sometimes be socket IO, it's set up to 
get data from whatever it is set to. That sounds promising 
though, I could set it up to do that when it is socket IO then 
have it poll when it isn't. Thanks!