fn preadv(self: *Loop, fd: os.fd_t, iov: []const os.iovec, offset: u64, simulate_evented: bool) os.ReadError!usize

Performs an async os.preadv using a separate thread. fd must block and not return EAGAIN.

Parameters

self: *Loop,
fd: os.fd_t,
iov: []const os.iovec,
offset: u64,
simulate_evented: bool,