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RE: stack overflow bug in ofstream::operator<<
- From: "Dave Korn" <dave dot korn at artimi dot com>
- To: <cygwin-developers at cygwin dot com>
- Date: Tue, 28 Jun 2005 18:20:56 +0100
- Subject: RE: stack overflow bug in ofstream::operator<<
>From: Igor Pechtchanski
>Sent: 28 June 2005 18:13
> On Tue, 28 Jun 2005, Dave Korn wrote:
>> Hmm. Can't we tell how much space there is on the stack from the
>> pointers to the stack limits in the NT_TIB (or whatever lives at %fs on
>> 9x), where we get the tls pointers from?
> I wonder -- would temporarily installing a signal handler be too much
I would have thought it's a lot more work than reading a word from
offset(%fs), subtracting it from the current %esp value, and comparing it to
the size we need....
> Or is it a thread safety issue (global vars, etc)?
Is *what* a thread safety issue?
Can't think of a witty .sigline today....