Date: Tue, 11 Jul 2006 00:21:19 +0200 From: =?UTF-8?B?VsOhY2xhdiBIYWlzbWFu?= <V.Haisman@sh.cvut.cz> To: Julian Elischer <julian@elischer.org> Cc: freebsd-hackers@freebsd.org, delphij@delphij.net, mag@intron.ac Subject: Re: kern/99979: Get Ready for Kernel Module in C++ Message-ID: <44B2D2DF.2000401@sh.cvut.cz> In-Reply-To: <44B2AE69.4080703@elischer.org> References: <200607092136.k69LaNDX055391@www.freebsd.org> <84dead720607092015q7f1701abse143f3855c2aa95a@mail.gmail.com> <1152540567.99616@origin.intron.ac> <44B2AE69.4080703@elischer.org>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] Julian Elischer wrote, On 10.7.2006 21:45: > mag@intron.ac wrote: > >> Joseph Koshy wrote: >> >>>> I would write my kernel module in C++, just like IOKit >>>> of OpenDarwin. Thus, all conflicts against C++ in current >>>> FreeBSD kernel source must be swept out firstly. >>> > While the idea of using C++ in the kernel made me very nervous, > I have seen some places where an official subset might be useful. > is it worth having a discussion about what features of C++ (or modular C) > we would want to support and what would remain "illegal" in the kernel? > > Inherritance would be noce but there are traps.. e.g. > How do you cope with classes depending on superclasses that may be from > a different > module and may have been compiled at a different time? > (i.e. the base structure may have changed) Binary compatibility is always a problem, no mater the language used. Besides, doesn't the FreeBSD kernel build system always compile all modules? Deciding that some features are bad beforehand, before you evaluate them is IMO bad idea. Let interested people write a bunch of C++ modules with the complete language before deciding on what shouldn't be used. My $0.05... -- Vaclav Haisman [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQEVAwUBRLLS6ENOZDESBK8FAQIFnwgAl72K3xCG+YWMSHXUm/e5ioVrB9JRFOnq iy9LDZRd4lN8TZ9ORGxwpIyXO0nKorNutL8EOA8/i71ETPSrZyQfvHRCKpk7YHtP aw+B4Qb2MO1+x+QQH0LjXEvk3bCo7qXTbQ9QxsFqrkp/cI4BMIlDNNbqaQzVI+41 0KVzw6CEbUh8cJFT/fpwj5dvIQUTYV6RUc0Q25RuCsEnjh2JoOjq/Oq4/n7iE7x2 hAHQVkBCxP/KL3pNRU+kacFRzheFN4F0TbVg4Rp8UYY1c5xwHo5j0j9+4QWtlXFt ugx0UlsXVIGHtgO4AttO3w93e9ZYbXAmolc8u+E/+3+20XnjLl0ltg== =0bFX -----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?44B2D2DF.2000401>