On Thu, 7 Jun 2007 11:06:23 +0100 Alan Cox <[EMAIL PROTECTED]> wrote:
> > I don't think it's a matter of versioning. Many userspace libraries > > expects their fds to be compact (for many reasons - they use select, they > > use them to index 0-based arrays, etc...), and if the kernel suddendly > > starts returning values in the 1<<28 up arena, they sure won't be happy. > > So I believe that the correct way is that the caller specifically selects > > the feature, leaving the legacy fd allocation as default. > > I don't understand the connection between this paragraph (with which I > agree) and the urge to add a ton of ugly syscall hacks. "Caller > specifically selects feature" - > prctl(). Libraries get unhappy -> > linker issue. > Alan, prctl() things are usually inherited at fork()/exec() time. If you fork() from a new application , then exec an old one (eventually a statically linked program), we have a problem ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
