[Vm-dev] [squeak-dev] Named serial port bug and how to contribute

Ricardo Moran richi.moran at gmail.com
Mon Dec 3 04:23:37 UTC 2018

Hi Eliot,

I would love to help but it could take me a while to get my hands on a Mac
to test this. So I wouldn't advise you to rely on me for this.


On Sun, Dec 2, 2018 at 6:42 PM Eliot Miranda <eliot.miranda at gmail.com>

> Hi Richo,
>    see commit 128b467faf11cc491671e92b578edd0453827aab on
> opensmalltalk-vm.  If possible can you (along with a friend with a Mac if
> you don't have one) take a look at the code on MacOS X and update
> sqUnixSerial.c appropriately?  I'd love to play around with this on MacOS
> X but you know what you're doing so you could lead the way.
> On Thu, Nov 29, 2018 at 5:25 PM Ricardo Moran <richi.moran at gmail.com>
> wrote:
>> Hi,
>> I think I found a bug with the named serial ports in windows.
>> I can open a named port without problem the first time but if I close it
>> and try to open it again it fails until I restart the image. This doesn't
>> happen with numeric ports. I could reproduce this bug in both Squeak5.2 and
>> Pharo6.1 (both using windows 8.1).
>> I think the problem is that SerialPort>>#primClosePortByName: calls the
>> "primitiveSerialPortCloseByName" but I couldn't find this primitive
>> anywhere in the SerialPlugin source (
>> https://github.com/OpenSmalltalk/opensmalltalk-vm/blob/Cog/src/plugins/SerialPlugin/SerialPlugin.c).
>> So I'm guessing that the port is never properly closed.
>> I added the missing primitive (find attached) and recompiled the vm, and
>> now it seems to work. So my question is: how can I contribute this small
>> fix? Should I commit to the VM Maker Inbox repository?
>> Thanks,
>> Richo
> --
> _,,,^..^,,,_
> best, Eliot
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