| 33 | |
| 34 | |
| 35 | Future<short> poll(int_fd fd, short events) |
| 36 | { |
| 37 | if (events != io::READ) { |
| 38 | return Failure("Expected io::READ (" + stringify(io::READ) + ")" |
| 39 | " but received " + stringify(events)); |
| 40 | } |
| 41 | |
| 42 | return io::internal::read(fd, nullptr, 0, false) |
| 43 | .then([]() { return io::READ; }); |
| 44 | } |
| 45 | |
| 46 | |
| 47 | namespace internal { |