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Gamedev and linux
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this post was submitted on 01 Nov 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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In my somewhat limited but relevant experience, the amount of platform specific bugs is indeed that low. I mean, there’s of course a layer of platform-specific low level stuff which is highly subject to platform specific issues, but once you go above that layer and into game code proper, most bugs are just bugs.
I didn’t fix 400 “Linux-only” bugs, but I did fix dozens of “seems Linux specific” and “only happened when at least one Linux client was connected” bugs, and a grand total of 2 were caused by platform differences. And of those two, zero were Linux specific. The platform difference in this case was about how different compilers optimise non-crashy types of UB.
Of course, we don’t want UB at all so the fix is to remove it.