/* * call-seq: * * io.kgio_trywrite(str) -> nil, String or :wait_writable * * Returns nil if the write was completed in full. * * Returns a String containing the unwritten portion if EAGAIN * was encountered, but some portion was successfully written. * * Returns :wait_writable if EAGAIN is encountered and nothing * was written. */ static VALUE kgio_trywrite(VALUE io, VALUE str) { return my_write(io, str, 0); }