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-rw-r--r--auto/os/features9
-rw-r--r--src/event/ngx_event_accept.c4
-rw-r--r--src/os/unix/ngx_posix_init.c2
3 files changed, 14 insertions, 1 deletions
diff --git a/auto/os/features b/auto/os/features
index ecd8e7fb4..c0fd6dd9e 100644
--- a/auto/os/features
+++ b/auto/os/features
@@ -305,6 +305,15 @@ ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_SETFIB, NULL, 4)"
. auto/feature
+ngx_feature="accept4()"
+ngx_feature_name="NGX_HAVE_ACCEPT4"
+ngx_feature_run=no
+ngx_feature_incs="#include <sys/socket.h>"
+ngx_feature_path=
+ngx_feature_libs=
+ngx_feature_test="accept4(0, NULL, NULL, SOCK_NONBLOCK)"
+. auto/feature
+
if [ $NGX_FILE_AIO = YES ]; then
ngx_feature="kqueue AIO support"
diff --git a/src/event/ngx_event_accept.c b/src/event/ngx_event_accept.c
index ed5762e18..67751faf7 100644
--- a/src/event/ngx_event_accept.c
+++ b/src/event/ngx_event_accept.c
@@ -46,7 +46,11 @@ ngx_event_accept(ngx_event_t *ev)
do {
socklen = NGX_SOCKADDRLEN;
+#if (NGX_HAVE_ACCEPT4)
+ s = accept4(lc->fd, (struct sockaddr *) sa, &socklen, SOCK_NONBLOCK);
+#else
s = accept(lc->fd, (struct sockaddr *) sa, &socklen);
+#endif
if (s == -1) {
err = ngx_socket_errno;
diff --git a/src/os/unix/ngx_posix_init.c b/src/os/unix/ngx_posix_init.c
index f21614499..2357ab31f 100644
--- a/src/os/unix/ngx_posix_init.c
+++ b/src/os/unix/ngx_posix_init.c
@@ -60,7 +60,7 @@ ngx_os_init(ngx_log_t *log)
ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur;
-#if (NGX_HAVE_INHERITED_NONBLOCK)
+#if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4)
ngx_inherited_nonblocking = 1;
#else
ngx_inherited_nonblocking = 0;