从 c 调用 Go 函数

I am trying to create a static object written in Go to interface with a C program (say, a kernel module or something).

I have found documentation on calling C functions from Go, but I haven't found much on how to go the other way. What I've found is that it's possible, but complicated.

Here is what I found:

Blog post about callbacks between C and Go

Cgo documentation

Golang mailing list post

Does anyone have experience with this? In short, I'm trying to create a PAM module written entirely in Go.