Re: [B2-devel] Fixes for BasiliskII and SheepShaver for Mac OS X 10.4 and 10.5 ppc and intel

[Alexei S. <ale...@gm...>]

I've just fixed the issue I described by moving sigsegv_info_t struct
declaration to the sigserv.h

I'd appreciate if someone could verify that this doesn't break the
build for their favorite platforms.

-Alexei

On Wed, Feb 11, 2009 at 2:27 PM, Alexei Svitkine
<ale...@gm...> wrote:
> Hi Mike,
>
> I've committed the first two patches you sent. Sorry it took so long,
> but I've been really busy lately.
>
> I know it's not related to your code, but looking at the code brought
> up some serious concerns.
>
> Particularly struct sigsegv_info_t that's re-declared would be
> incomplete if HAVE_MACH_EXCEPTIONS is on.
>
> I've added a big FIXME there, and haven't had the time to investigate
> further - but if Screen_fault_handler ends up accessing the extra
> fields in that struct - it will be a serious bug (accessing memory
> past the end of that structure). This really needs to be fixed (again
> it's not your changes, but still..)
>
> -Alexei
>
> On Mon, Feb 9, 2009 at 5:11 PM, Nigel Pearson <ni...@in...> wrote:
>> On Mon, 9 Feb, Mike Sliczniak wrote:
>>
>>> for B2 when building from Unix there is no way to use
>>> core audio currently.
>>>
>>> Did I break it? I don't know. The build from MacOSX uses many of
>>> the files
>>> from ../Unix. Maybe Nigel can say something about it.
>>
>> Haven't had time/motivation to build B2 in months.
>>
>>
>>> I don't know if he uses the project files or the autotools files.
>>
>> Last few times, I used autoconf/make. There were source code changes
>> that required -D changes in the project files, and I got tired of
>> chasing them up.
>>
>> ...
>>> B2 might be immune to much of this since it avoids the signal handler
>>> stuff in all cases on MacOSX I believe.
>>
>> The versions I built/run/shipped had no signal handler,
>> or always set it to be disabled. Slightly speeding up
>> the screen refresh wasn't an issue when most (game) users
>> complained that BasiliskII was too fast :-)
>>
>> --
>> Nigel Pearson, ni...@in...|"Things  you  own  |
>> Telstra Net. Eng., Sydney, Australia | end up owning you"|
>> Office: 9202 3900    Fax:  9212 6348 |      Tyler,       |
>> Mobile: 0408 664435  Home: 9792 6998 |    Fight Club     |
>>
>>
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