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Date: Mon, 9 Apr 2001 10:39:48 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: G++ guru's please comment - Re: FW: pthread_create problem in Cygwin  1.1.8-2]
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In-Reply-To: <012001c0c0ed$fe28e910$0200a8c0@lifelesswks>; from robert.collins@itdomain.com.au on Mon, Apr 09, 2001 at 10:09:54PM +1000

On Mon, Apr 09, 2001 at 10:09:54PM +1000, Robert Collins wrote:
>> The error you get is a result of a race condition on a lookup table
>> shared by all threads. The stack is NOT corrupted in any way.
>
>It's not a race condition per se (timing has nothing to do with it, it's
>guaranteed if two or more threads enter a try block concurrently).
>Something in g++ is dsiabled when it's built without thread support, and
>it returns the same base address for the context struct for each thread.
>That function should return a different context regardless IMO, unless
>they are using pthread_key_create, which I have also implemented. There
>is a patch for that in the cygwin patch list archives, and hopefully
>it'll be in CVS soon.

Isn't this patch gated on newlib changes?  If not, I missed it.  I thought
we were still waiting on final word on newlib reorganization.

cgf

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