On Jul 18, 2013, at 11:35 PM, Jacob Carlborg <[email protected]> wrote: > On 2013-07-18 21:08, Sean Kelly wrote: > >> We already do in-library TLS for OSX and so it shouldn't be terribly >> difficult to use this logic for fibers, but things get tricky once you >> consider dynamic libraries. > > To be able to support dynamic libraries and TLS on Mac OS X we will most > likely need to switch to the native implementation of TLS, supported in Mac > OS X 10.7 and later. Or we would have to copy/mimic the TLS related code from > the dynamic loader into druntime.
And the same for other OSes as well, if we started doing manual TLS for fibers. Super not fun. For reference, here's how TLS works on ELF: http://www.akkadia.org/drepper/tls.pdf
