Chris Torek <chris.torek@xxxxxxxxx> writes: > It's more complicated than that (and varies on MacOS), but it's true > that the Go runtime wraps all OS-level write() operations. The reason > for that is that Go has its own internal "thread" (g/m/p things, really) > scheduler and does *all* I/O as non-blocking calls. Anything that > potentially blocks an actual OS-level thread has to be handled > specially. It's quite messy and You Don't Want To Go There (no > pun intended) if you don't have to. That sounds like a fun hack ;-)