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Re: libstdc++/5457: Writing to buffer stream writes each byte using a system write() call.
- From: Edward Maros <emaros at ligo dot caltech dot edu>
- To: paolo at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 22 Jan 2002 23:46:01 -0000
- Subject: Re: libstdc++/5457: Writing to buffer stream writes each byte using a system write() call.
- Reply-to: Edward Maros <emaros at ligo dot caltech dot edu>
The following reply was made to PR libstdc++/5457; it has been noted by GNATS.
From: Edward Maros <emaros@ligo.caltech.edu>
To: paolo@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org,
nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Cc:
Subject: Re: libstdc++/5457: Writing to buffer stream writes each byte using a
system write() call.
Date: Tue, 22 Jan 2002 15:28:06 -0800
paolo@gcc.gnu.org wrote:
> Synopsis: Writing to buffer stream writes each byte using a system write() call.
>
> Responsible-Changed-From-To: unassigned->paolo
> Responsible-Changed-By: paolo
> Responsible-Changed-When: Tue Jan 22 14:01:13 2002
> Responsible-Changed-Why:
> Analyzed
> State-Changed-From-To: open->feedback
> State-Changed-By: paolo
> State-Changed-When: Tue Jan 22 14:01:13 2002
> State-Changed-Why:
> Could you please check if your applications benefit from
> calling:
>
> std::ios::sync_with_stdio(false);
>
> before any I/O operation??
>
> Thanks,
> Paolo.
>
> P.S. For some details on this, see, f.i., Josuttis, pp. 682.
>
> http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5457
This does address my issue. Thank you for your help.
Ed
--
------
Edward Maros emaros@ligo.caltech.edu