Fast thread-local storage for OpenGL drivers
dank at kegel.com
Sat Feb 22 16:58:50 CST 2003
David Laight wrote:
>>I suspect most of the old versions of Linux you're worried
>>about will vanish from user's desktops fairly quickly
>>as soon as Linux distributions ship versions that
>>include the current suite of improvements. (Not that
>>people will kill for the new glibc, but there are
>>a whole lot of improvements in font handling and
>>desktop apps coming out shortly.)
> Remember that wine runs on other OS (eg NetBSD) which isn't going
> to start using glibc ever....
I'm glad you brought up BSD; IMHO one of the arguments
*for* using gcc's __thread support is that the underlying
ABI appears to be very carefully defined for a largeish number
of processors. This was a lot of work. Other operating
systems that want to add TLS support can use the Linux TLS ABI
as a guide, save themselves the effort, and perhaps end
up more binary-compatible with Linux as a side-effect.
(Say, Gareth, have you discussed this with Jon Leech?
Seems like you want to revise or add to that ABI,
so you ought to involve the ABI's authors in the discussion.
Jon, have a look at this thread at
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