On 20.12.20 01:16, Steve Lubbs wrote:
After spending a few hours poking around I have some ideas on where I
can make the biggest impact given my background.
Multi-threading/Concurrency: This is one of my bailiwicks. Correct me
if I'm wrong but it appears that concurrency support was removed when
Mac OSX dropped support for standard concurrency APIs. I saw that all
the concurrency APIs were gutted in semaphore.h and mutex.h.
Unfortunately replacing them with the OSX GCD (Grand Central
Dispatcher, how cute) and dispatch queues won't fill the porting bill.
I would like to look into ways to implement semaphores, mutexes,etc.
so we can fill this gap. Might still be able to use dispatch queues
for threading.
There is a theory that we have some concurrency issue when system is
shutting down. maybe you can look into that too?
I have a pretty good background in threading and concurrency. For
example, way back I needed to port some threaded unix code to an OS
that had no support for threads or concurrency so implemented my own
light-weight threads and concurrency primitives. For atomic operations
I used a assembly-level compare and increment command. I was so proud
of it I started writing an article for Dr. Dobbs, a big programming
mag at the time. While I was so engaged, someone else beat me to the
punch. Rats.
Architecture Documentation: It appears to be in need of major
updating. I haven't seen anything updated in the last 10 years. I
would like to update it as much as I can, at least WRT the modules I
touch.
What do you think?
sounds good.
Sorry for bloviating.
No Problem. Better biovaliting then not talking. ;)
BTW, this is fun.
You are welcome!
Peter
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