Re: [Qemu-devel] [PATCH v2 4/9] qemu-sockets: add error propagation to Unix socket functions

[Paolo Bonzini]

Il 01/10/2012 19:17, Luiz Capitulino ha scritto:
>> >      if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
>> > -        fprintf(stderr, "bind(unix:%s): %s\n", un.sun_path, 
>> > strerror(errno));
>> > +        error_set(errp, QERR_SOCKET_BIND_FAILED);
> This drops error information, making the error message worse. I believe
> you have a reason to not use error_setg()?

I was waiting for the end of the discussion on errno to add
error_setg_errno.

> Also, I see that in some hunks you do something like:
> 
>   -            fd = unix_listen_opts(opts);
>   +            fd = unix_listen_opts(opts, NULL);
> 
> This will break printing the error message to the user. It's fine by me if
> you do this only temporarily (ie. this is fixed by the next or a later patch),
> but want to double check that you're aware of it.

I want to avoid super-large patch series, so I would prefer to fix it
later in the 1.3 development.

Paolo

> Btw, I'm making these comments in this hunk but they apply to similar hunks
> as well.
>