On Thursday, 25 October 2012 at 17:20:40 UTC, Rob T wrote:
On Thursday, 25 October 2012 at 02:15:41 UTC, Jakob Ovrum wrote:
You can even share the same GC between dynamic libraries and
the host application (if both are D and use GC, of course)
using the GC proxy system.
What is the GC proxy system, and how do I make use of it?
--rt
There's a function Runtime.loadLibrary in core.runtime that is
supposed to load a shared library and get the symbol named
`gc_setProxy` using the platform's dynamic library loading
routines, then use that to share the host GC with the loaded
library.
I say "is supposed to" because I checked the code and it's
currently a throwing stub on POSIX systems, it's only implemented
for Windows (the source of the function can be found in
rt_loadLibrary in rt/dmain2.d of druntime).
When it comes to gc_setProxy - GDC exports this symbol by default
on Windows, while DMD doesn't. I don't know why this is the case.
I haven't built shared libraries on other OS' before so I don't
know how GDC and DMD behave there.
