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Date: | Wed, 26 May 2010 16:25:43 +0200 |
From: | Corinna Vinschen <corinna-cygwin AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: 1.7.5-1: problem with settimeofday() & gettimeofday() |
Message-ID: | <20100526142543.GM10652@calimero.vinschen.de> |
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On May 26 10:22, Christopher Faylor wrote: > On Wed, May 26, 2010 at 04:02:45PM +0300, "??? ??????" wrote: > >> Hello. It seems that I found a problem with settimeofday() and > >> gettimeofday() calls in a single context. The problem is that if we > >> set a new time with settimeofday() call it completes succefully and > >> system time is updated. But then if we try to get current time with > >> gettimeofday() call it returns old time! > > > >I've looked into 'times.cc' and found that 'hires_ms gtod' timer > >(which is used in gettimeofday()) is not reset with > >'hires_ms::prime()' in settimeofday() after system call to Win32 API > >SetSystemTime() function! I think this is the reason of described > >behaviour. > > That sounds right. I'll check in a fix shortly. What happens in other, parallel processes which are calling gettimeofday in a loop? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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