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RE: loading of wsock32 disturbs FPU
- From: "Dave Korn" <dave dot korn at artimi dot com>
- To: <cygwin at cygwin dot com>
- Date: Wed, 2 Mar 2005 17:25:23 -0000
- Subject: RE: loading of wsock32 disturbs FPU
----Original Message----
>From: Christopher Faylor
>Sent: 02 March 2005 16:33
> On Wed, Mar 02, 2005 at 03:37:42PM +0100, Corinna Vinschen wrote:
>> On Mar 2 15:31, Corinna Vinschen wrote:
>>> On Mar 2 13:33, Dave Korn wrote:
>>>> Hm. We probably need to put a finit instruction into the autoload code
>>>> somewhere. wsock_init () looks like just the place...... now if I
>>>> just persuade the CVS code to build without a SIG11 (grmbl grmbl....)
>>>
>>> Hmm? -v please.
>>
>> I just added an finit call to wsock_init and it seems to work fine.
>>
>> Are there any non-FPU CPUs >= i386 out there which would choke on this
>> machine instruction? I guess not, but I'm not exactly fluent in ix86
>> history...
>
> I mentioned to Corinna on irc that I don't think that just calling finit
> is the right way to handle this. What if someone had already set the
> precision as they liked? Then loading winsock would reset it.
.... as indeed is what already happens anyway....
But yeh, I guess saving-and-restoring fpu mode is the _really_ correct
fix. That's a bit awkward because we don't have a convenient
pre-LoadLibrary init entrypoint in the autoload stuff, assuming I have
understood the code correctly.
cheers,
DaveK
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Can't think of a witty .sigline today....
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