(Question) The Linux kernel is a requirement, what APIs are used?

[hardBSDk]

No description provided.

[utam0k]

We don't have a specific list for this question. How about running youki with bpftrace or ptrace?
e.g., https://github.com/containers/youki/blob/main/hack/debug.bt for bpftrace

[hardBSDk]

@utam0k AFAIK Redox supports ptrace or strace, if only Linux system calls are used it can be easily ported.

I'm concerned with kernel interfaces.

[utam0k]

Anyway, we should give it a try and observe the error message. Is there an easy way to run youki on Redox?

[hardBSDk]

@utam0k I created a recipe for it yesterday, I didn't built it yet:

https://gitlab.redox-os.org/redox-os/cookbook/-/blob/master/recipes/wip/containers/youki/recipe.toml

If you want to build/test it use the following command on GNU Bash:

cd cookbook && git pull && cd .. && make r.youki

[YJDoc2]

Hey @hardBSDk , by nature of containers themselves, cgroups and namespaces with their behavior similar to Linux would also be a requirement. I'm not familiar with redox, does it have similar concepts? I don't think these two come under POSIX, right?

[hardBSDk]

@YJDoc2 Redox support namespaces using capabilities (Contain), like the Capsicum from FreeBSD.

Thus I think the file descriptors are similar to Linux, but it still don't have a cgroups equivalent.