[Question] Debugging multiple threads, how to get the other thread?

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I have a program consisting of 2 threads, the main running Cursive, the other one running a model. Now these two threads send each other messages using mpsc::channel. The program hangs: my fault. I want to find out why, so ... out comes gdb. I just discovered nemiver, so I will use that.

That works .... to a point. I can see the main thread, and where it is waiting (an mpsc::receiver::recv()). I cannot see however, what the other thread is doing.

Can anyone point me into the right direction in finding the other thread?

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You can use info threads to list active threads and thread <id> to switch between them, in much the same way that bt prints a backtrace and frame <id> switches between stack frames.

For more info, see the relevant page of the GDB manual.

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