runner-mei/libuv — comment on commit f56d9e0699b477a74a58430c8b8551ca66eab28b
File: src/win/signal.c line 225
By runner-mei:

I was wrong, but if there is no way to post it to the main thread. the only way to move async initialization to in uv_signal_start, but that would lead to support multiple concurrent events