Messages in this thread | | | Date | Fri, 30 Nov 2007 11:29:55 +0100 | From | "Loïc Grenié" <> | Subject | Re: Kernel Development & Objective-C |
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2007/11/29, Ben Crowhurst <Ben.Crowhurst@stellatravel.co.uk>: > Has Objective-C ever been considered for kernel development? > > regards, > BPC
No, it has not. Any language that looks remotely like an OO language has not ever been considered for (Linux) kernel development and for most, if not all, other operating systems kernels.
Various problems occur in an object oriented language. One of them is garbage collection: it provokes asynchronous delays and, during an interrupt or a system call for a real time task, the kernel cannot wait. Another is memory overhead: all the magic that OO languages provide take space in memory and Linux kernel is used in embedded systems with very tight memory requirements.
Lots of people will think of better reasons why ObjC is not used...
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