[Newbies] Sending UDP broadcasts

[Christian Kellermann]

Dear List,

I am trying to send a UDP broadcast on a Linux host with the following code:

```
s := Socket newUDP.

s setOption:  'SO_BROADCAST' value: 1.
[[(Delay forSeconds: numberOfSeconds) wait.
	 s sendUDPData: shoutout toHost: '255.255.255.255' port: (self portNumber) ]
repeat] fork.
```

I always get a Primitive Failed error for the sendUDPData message.
shoutout is a string in this case.

What am I missing for this example?

Versions used are: 

Squeak5.3
latest update: #19470
unix linux-gnu x86_64

Open Smalltalk Cog[Spur] VM [CoInterpreterPrimitives VMMaker.oscog-eem.3142]
Unix built on Feb  4 2022 08:41:04 Compiler: Clang 13.0.0
platform sources revision VM: 202201220125 

Kind regards,

Christian


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