static VALUE my_writev(VALUE io, VALUE ary, int io_wait)
{
struct wrv_args a;
ssize_t n;
prepare_writev(&a, io, ary);
set_nonblocking(a.fd);
do {
fill_iovec(&a);
if (a.iov_cnt == 0)
n = 0;
else if (a.iov_cnt == 1)
n = write(a.fd, a.vec[0].iov_base, a.vec[0].iov_len);
/* for big strings use library function */
else if (USE_WRITEV &&
((long)(a.batch_len/WRITEV_IMPL_THRESHOLD) > a.iov_cnt))
n = writev(a.fd, a.vec, a.iov_cnt);
else
n = custom_writev(a.fd, a.vec, a.iov_cnt, a.batch_len);
} while (writev_check(&a, n, "writev", io_wait) != 0);
rb_str_resize(a.vec_buf, 0);
if (TYPE(a.buf) != T_SYMBOL)
kgio_autopush_write(io);
return a.buf;
}
static VALUE my_write(VALUE io, VALUE str, int io_wait)
{
struct wr_args a;
long n;
prepare_write(&a, io, str);
set_nonblocking(a.fd);
retry:
n = (long)write(a.fd, a.ptr, a.len);
if (write_check(&a, n, "write", io_wait) != 0)
goto retry;
if (TYPE(a.buf) != T_SYMBOL)
kgio_autopush_write(io);
return a.buf;
}
