Transferring stream handle between threads (e.g. detaching/reopening file descriptor)

[Eugene Ostroukhov]

I saw discussion here: https://github.com/libuv/libuv/issues/390 and it looks like there's no universal way of transferring a handle between event loops.

Is there a way to close a handle without closing the file descriptor? 

What I want to do, is in Node.js code to get a handle from the main context and pass it into the inspector background thread. This handle would be something like a TCP socket or pipe - not a timer, async or such. It looks like I can get FD from the main thread and then use uv_tcp_open or alike on a background thread to "reopen" it. My main concern would be that the main thread will still consider it open and I expect there will be some issues.

Any suggestions?

[Santiago Gimeno]

What about dup() the fd, then close the handle and open the duplicated fd with uv_tcp_open?

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[Eugene Ostroukhov]

Yes, I’ll try that.

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