[nanomsg] Re: Abort on recoverable error?
- From: Jihyun Yu <yjh0502@xxxxxxxxx>
- To: nanomsg@xxxxxxxxxxxxx
- Date: Tue, 2 Sep 2014 16:06:03 +0900
Thanks for reply,
I filed a bug report on GitHub.
https://github.com/nanomsg/nanomsg/issues/307
Jihyun Yu
On Tue, Sep 02, 2014 at 08:28:41AM +0200, Martin Sustrik wrote:
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> Yes. It's a bug, or rather missing feature. What should happen in case
> of this error is to wait for a while and re-bind later on. The code
> for that is still missing though.
>
> Martin
>
> On 02/09/14 08:06, Matt Howlett wrote:
> >
> > I agree completely... the way abort is used in nanomsg prevents me
> > from using it in scenarios I otherwise would like to.
> >
> >
> > On Tue, Sep 2, 2014 at 3:56 PM, Garrett D'Amore
> > <garrett@xxxxxxxxxx <mailto:garrett@xxxxxxxxxx>> wrote:
> >
> > I'd argue that's a bug. And yet, I see lots of these things in
> > the underlying code now that I look. :-(
> >
> > Libraries should only ever abort() in the event that the library
> > developer created a bug -- and *every* case where the library
> > abort()'s or fails an assertion should be treated as a high
> > priority bug.
> >
> >
> > On Mon, Sep 1, 2014 at 10:49 PM, Jihyun Yu <yjh0502@xxxxxxxxx
> > <mailto:yjh0502@xxxxxxxxx>> wrote:
> >
> > Hi,
> >
> > It seems that nanomsg aborts on recoverable error. For example
> > following code fails with abort();
> >
> > == #include <nanomsg/nn.h> #include <nanomsg/pubsub.h>
> >
> > int main(void) { int socket = nn_socket(AF_SP, NN_PUB); if(socket <
> > 0) return socket; int tp1 = nn_bind(socket, "tcp://*:11234");
> > if(tp1 < 0) return tp1; int tp2 = nn_bind(socket,
> > "tcp://*:11234"); if(tp2 < 0) return tp2;
> >
> > return 0; } ==
> >
> > Here's an output
> >
> > == Address already in use [98] (src/transports/tcp/btcp.c:378)
> > /bin/bash: line 1: 22624 Aborted ./a.out ==
> >
> > I'm writing Erlang binding of nanomsg[1], and calling abort()
> > inside library functions is not acceptable in Erlang. Is the
> > design intentional?
> >
> >
> > [1] https://github.com/yjh0502/nanomsg
> >
> >
> >
>
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