Index: nginx-1.19.1/auto/unix
===================================================================
--- nginx-1.19.1.orig/auto/unix
+++ nginx-1.19.1/auto/unix
@@ -559,7 +559,12 @@ if [ $NGX_FILE_AIO = YES ]; then
         ngx_feature="Linux AIO support (SYS_eventfd)"
         ngx_feature_incs="#include <linux/aio_abi.h>
                           #include <sys/syscall.h>"
-        ngx_feature_test="struct iocb  iocb;
+        ngx_feature_test="#ifdef SYS_eventfd
+                          int  n = SYS_eventfd;
+                          #else
+                          int  n = SYS_eventfd2;
+                          #endif
+                          struct iocb  iocb;
                           iocb.aio_lio_opcode = IOCB_CMD_PREAD;
                           iocb.aio_flags = IOCB_FLAG_RESFD;
                           iocb.aio_resfd = -1;
Index: nginx-1.19.1/src/event/modules/ngx_epoll_module.c
===================================================================
--- nginx-1.19.1.orig/src/event/modules/ngx_epoll_module.c
+++ nginx-1.19.1/src/event/modules/ngx_epoll_module.c
@@ -77,9 +77,7 @@ int epoll_wait(int epfd, struct epoll_ev
 
 #if (NGX_HAVE_FILE_AIO)
 
-#define SYS_io_setup      245
-#define SYS_io_destroy    246
-#define SYS_io_getevents  247
+#include <sys/syscall.h>
 
 typedef u_int  aio_context_t;
 
@@ -254,7 +252,11 @@ ngx_epoll_aio_init(ngx_cycle_t *cycle, n
 #if (NGX_HAVE_SYS_EVENTFD_H)
     ngx_eventfd = eventfd(0, 0);
 #else
+#ifdef SYS_eventfd
     ngx_eventfd = syscall(SYS_eventfd, 0);
+#else
+    ngx_eventfd = syscall(SYS_eventfd2, 0, 0);
+#endif
 #endif
 
     if (ngx_eventfd == -1) {