--- ./libmariadb/mariadb_async.c-ORIGIN	2018-09-14 14:07:55 -0500
+++ ./libmariadb/mariadb_async.c	2018-09-14 14:09:05 -0500
@@ -48,6 +48,10 @@
 #define WIN_SET_NONBLOCKING(mysql)
 #endif
 
+#if defined(_AIX) && !defined(MSG_DONTWAIT)
+#define MSG_DONTWAIT MSG_NONBLOCK
+#endif
+
 extern void mysql_close_slow_part(MYSQL *mysql);
 
 
--- ./plugins/pvio/pvio_socket.c.orig	2020-07-20 05:35:50 +0000
+++ ./plugins/pvio/pvio_socket.c	2020-07-20 05:36:33 +0000
@@ -53,6 +53,9 @@
 #include <netdb.h>
 #include <netinet/tcp.h>
 #define IS_SOCKET_EINTR(err) ((err) == SOCKET_EINTR)
+#if defined(_AIX) && !defined(MSG_DONTWAIT)
+#define MSG_DONTWAIT MSG_NONBLOCK
+#endif
 #else
 #include <ws2tcpip.h>
 #define O_NONBLOCK 1