Memory barriers in userspace? (Linux, x86-64)

Question

It is easy to set memory barriers on the kernel side: the macros mb, wmb, rmb, etc. are always in place thanks to the Linux kernel headers.

How to accomplish this on th

Answer 1

Linux x64 means you can use the Intel memory barrier instructions. You might wrap them in macros similar to those in the Linux headers, if those macros aren't appropriate or accessible to your code