Re: epoll

[Eric Hawicz <erh%nimenees.com@localhost>]

On 1/25/2021 10:52 AM, r0ller wrote:
> Hi All, I tried to wrap in the linux syscalls an epoll implementation 
> that seems to support NetBSD-9.1 https://github.com/jiixyj/epoll-shim 
> but as I've never done such a thing before, it failed of course. 
> First, I copied its source in the external/mit/epoll-shim directory 
> and tried to include epoll.h via absolute path in linux_misc.c to 
> support the epoll calls. This is definitely not the right way to do as 
> when running build.sh it failed to find stdint.h (used in epoll.h) on 
> the first try. I tried to find some docs about pulling in external 
> sources but I haven't found anything that would describe how to do it. 
> Can anyone give me any hint on this? Best regards, r0ller 


Are you trying to integrate this into the NetBSD kernel?  The link you 
provided appears to be a userspace library, so to use it you would build 
and install it per the instructions they provide, then arrange to link 
whatever other program might want to use epoll against the libepoll-shim 
library.

It might be possible to reuse some of this code in the kernel too, but I 
suspect you'll find that there are a lot of changes that would need to 
be made due to significant differences between kernel and userland code.


Eric