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Diffstat (limited to 'docs/src')
| -rw-r--r-- | docs/src/udp.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/src/udp.rst b/docs/src/udp.rst index 31f7f7fd..5f225e5c 100644 --- a/docs/src/udp.rst +++ b/docs/src/udp.rst @@ -426,6 +426,20 @@ API .. versionchanged:: 1.27.0 added support for connected sockets +.. c:function:: int uv_udp_try_send2(uv_udp_t* handle, unsigned int count, uv_buf_t* bufs[/*count*/], unsigned int nbufs[/*count*/], struct sockaddr* addrs[/*count*/], unsigned int flags) + + Like :c:func:`uv_udp_try_send`, but can send multiple datagrams. + Lightweight abstraction around :man:`sendmmsg(2)`, with a :man:`sendmsg(2)` + fallback loop for platforms that do not support the former. The handle must + be fully initialized; call c:func:`uv_udp_bind` first. + + :returns: >= 0: number of datagrams sent. Zero only if `count` was zero. + < 0: negative error code. Only if sending the first datagram fails, + otherwise returns a positive send count. ``UV_EAGAIN`` when datagrams + cannot be sent right now; fall back to :c:func:`uv_udp_send`. + + .. versionadded:: 1.50.0 + .. c:function:: int uv_udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloc_cb, uv_udp_recv_cb recv_cb) Prepare for receiving data. If the socket has not previously been bound |