pthreads works, sorta
Wed Jun 27 10:32:00 GMT 2001
On Wed, Jun 27, 2001 at 09:01:09AM -0700, Eric M. Monsler wrote:
>Steve Jorgensen wrote:
>>OK, I'm over my head to even try to participate in this, but it seems
>>to me that if you want to check for the condition where you can neither
>>read nor write
>I think that the check is for the condition that "one can both read and
>write", before proceeding. The IsBad logic forces a somewhat reversed
>logical structure, i.e. "if not both read and write, fail", which is
>coder-optimised to "if not write, fail", since if we can't read we also
>Read-only is failure, as is a NULL, or any other bad pointer.
>Assuming I've understood the previous discussions correctly...
You've got it right. The pointers being checked should always be writable.
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