ngx_udp_recv()

src/event/modules/ngx_aio_module.c

@@ -28,6 +28,7 @@ static ngx_int_t ngx_aio_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
 ngx_os_io_t ngx_os_aio = {
     ngx_aio_read,
     ngx_aio_read_chain,
+    NULL,
     ngx_aio_write,
     ngx_aio_write_chain,
     0

src/event/modules/ngx_iocp_module.c

@@ -90,6 +90,7 @@ ngx_module_t  ngx_iocp_module = {
 ngx_os_io_t ngx_iocp_io = {
     ngx_overlapped_wsarecv,
     NULL,
+    ngx_udp_overlapped_wsarecv,
     NULL,
     ngx_overlapped_wsasend_chain,
     0

src/event/ngx_event.h

@@ -429,6 +429,7 @@ extern ngx_os_io_t  ngx_io;
 
 #define ngx_recv             ngx_io.recv
 #define ngx_recv_chain       ngx_io.recv_chain
+#define ngx_udp_recv         ngx_io.udp_recv
 #define ngx_send             ngx_io.send
 #define ngx_send_chain       ngx_io.send_chain