I have multiple threads which need to send UDP packets to different IP addresses (only to send, nothing needs to be received). Can I reuse the same UDP socket in all the threads?
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I have multiple threads which need to send UDP packets to different IP addresses (only to send, nothing needs to be received). Can I reuse the same UDP socket in all the threads?
Yes, I think you can.
As the packets are sent out individually, although the order they are received will be nondeterministic, it is already with UDP.
So sending in multiple threads in the same socket is fine.
Although, if you’re doing other stuff with the socket, such as bind(), close(), then you could end up with race conditions, so you might want to be careful.