On Mon, Jan 23, 2023 at 12:42 AM robert engels <reng...@ix.netcom.com>
wrote:
> Write data to memory mapped file/shared memory. Keep track of last written
> byte as new_length;
>
> Use atomic.StoreUint64(pointer to header.length, new_length);
>
>
This does not answer the question I posed, which boils down to:
How does one insert the equivalent of smp_wmb() /
asm volatile("" ::: "memory") into a go program.
For instance is any of these an answer?
https://groups.google.com/g/golang-nuts/c/tnr0T_7tyDk/m/9T2BOvCkAQAJ
> readers read ...
>
Please don't focus on the reader ;)
> This assumes you are always appending ,,, then it is much more complicated
> ... all readers have consumed the data before the writer reuses it.
>
Yes, it is much more complicated :) I am making a note to post the result
back to this thread in a few weeks when it is readable enough.
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