From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16391 invoked by alias); 22 Jan 2002 22:01:14 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 16364 invoked by uid 61); 22 Jan 2002 22:01:14 -0000 Date: Tue, 22 Jan 2002 14:01:00 -0000 Message-ID: <20020122220114.16363.qmail@sources.redhat.com> To: emaros@ligo.caltech.edu, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, paolo@gcc.gnu.org From: paolo@gcc.gnu.org Reply-To: paolo@gcc.gnu.org, emaros@ligo.caltech.edu, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, paolo@gcc.gnu.org, gcc-gnats@gcc.gnu.org X-Mailer: gnatsweb 2.9.3 Subject: Re: libstdc++/5457: Writing to buffer stream writes each byte using a system write() call. X-SW-Source: 2002-01/txt/msg00794.txt.bz2 List-Id: 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