0 on success, or -1 with errno set on failure.OsPoller.registerHandle
int registerHandle(Handle handle, IoInterest interest, ulong userData, WatcherFlags flags = WatcherFlags.none) @safe nothrow @nogcRegister a handle with the given interests and opaque user data.
Parameters
handle | Handle to register. |
interest | Requested readiness mask. |
userData | Opaque value returned in translated events. |
flags | Optional watcher flags (reserved for future use). |