I hear they are buggy on OSX too. It is not a very big pile of assembly though; that is what eg Go does (gccgo uses and requires swapcontext). EDIT: I agree re

I hear they are buggy on OSX too. It is not a very big pile of assembly though; that is what eg Go does (gccgo uses and requires swapcontext). EDIT: I agree really, C is not very suitable and that is the correct conclusion but if you are eg implementing a language that has them, assembly is the best solution.