On Nov 30, 2011, at 12:57 PM, Jacob Carlborg wrote: > > On 21 nov 2011, at 20:12, Walter Bright wrote: >> >> On 11/21/2011 9:17 AM, Jacob Carlborg wrote: >>> >>>> One reason dmd doesn't support dynlib yet is because I haven't done much >>>> research into how dynlib actually works. >>> >>> Ok, I see. I though that you might know since you have developed a C++ >>> compiler as well. I assume dynamic libraries can be used with DMC. Note >>> that when I say "dylib" I mean the general term "dynamic library" and not >>> the Mac OS X specific implementation. >>> >> >> DLLs on Windows work very differently from dynlibs on other systems. You >> have to approach each as its own animal. > > I've done some research about how TLS is implemented in the ELF format. I > don't understand everything but I think I've got a, at least, somewhat better > understanding of TLS. > > I've started to think about if it's possible to implement TLS on Mac OS X in > the same way as it's implement on Linux, but just with the help of the > compiler and runtime.
> ... > > BTW, according to this: > > http://stackoverflow.com/questions/2436772/thread-local-storage-macosx > > GCC 4.5+ on Mac OS X supports the __thread keyword but it's emulated. > > TLS reference: http://www.akkadia.org/drepper/tls.pdf I don't know if it matters, but __thread should be natively supported in Lion (by llvm-gcc, not DMD). OSX is doing away with GCC so it wouldn't surprise me if no effort had been made to add __thread support to that. _______________________________________________ dmd-internals mailing list [email protected] http://lists.puremagic.com/mailman/listinfo/dmd-internals
