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Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit()
From: |
Peter Xu |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit() |
Date: |
Wed, 17 Aug 2016 17:32:49 +0800 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Wed, Aug 17, 2016 at 11:26:51AM +0200, Markus Armbruster wrote:
> Peter Xu <address@hidden> writes:
>
> > On Tue, Aug 16, 2016 at 08:17:08PM +0800, Peter Xu wrote:
> >> > >
> >> > > Also, please make it a function, not a macro:
> >> > >
> >> > > void error_report_fatal(const char *fmt, ...)
> >> > > {
> >> > > va_list ap;
> >> > >
> >> > > va_start(ap, fmt);
> >> > > error_vreport(fmt, ap);
> >> > > va_end(ap);
> >> > > exit(1);
> >> > > }
> >
> > Marcel (and reviewers),
> >
> > Now if we are having both error_report_fatal() and
> > error_report_abort(), we'll write error_report() three times if we all
> > take them as functions.
>
> Yes, but all we duplicate is the usual var-arg boilerplate.
>
> > How about we still use macro this time but leverage error_setg()
> > macro as mentioned by Fam, like:
> >
> > +#define error_report_fatal(...) error_setg(&error_fatal, __VA_ARGS__)
> > +#define error_report_abort(...) error_setg(&error_abort, __VA_ARGS__)
> >
> > In this case, we avoided calling exit() directly in the macro, and is
> > much cleaner than writting error_report() content for three times.
>
> I'm afraid that destroys the layering.
>
> Currently, Error objects (util/error.c) use error reporting
> (util/qemu-error.c), but not vice versa. Their headers
> (include/qapi/error.h and include/qemu/error-report.h) are idependent.
> I like it that way.
I see. Then let me keep them functions.
Thanks,
-- peterx
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), (continued)
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Peter Xu, 2016/08/16
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Fam Zheng, 2016/08/16
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Peter Xu, 2016/08/16
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Fam Zheng, 2016/08/16
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Markus Armbruster, 2016/08/16
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Peter Xu, 2016/08/17
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Markus Armbruster, 2016/08/17
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Peter Xu, 2016/08/17
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Peter Xu, 2016/08/17
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(), Markus Armbruster, 2016/08/17
- Re: [Qemu-devel] [PATCH 1/2] error-report: provide error_report_exit(),
Peter Xu <=
[Qemu-devel] [PATCH 2/2] error-report: leveraging error_report_exit(), Peter Xu, 2016/08/11
Re: [Qemu-devel] [PATCH 0/2] error-report: introduce error_report_exit(), no-reply, 2016/08/11