From 7dba426db4f5cc1bf0f2cf1592ec3468c06c0cd0 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Mon, 5 Jan 2015 16:04:28 +0900
Subject: [PATCH] nghttpx: Use accept if accept4 is not available

---
 src/shrpx_accept_handler.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/shrpx_accept_handler.cc b/src/shrpx_accept_handler.cc
index 43239888..1eab4d70 100644
--- a/src/shrpx_accept_handler.cc
+++ b/src/shrpx_accept_handler.cc
@@ -57,8 +57,12 @@ void AcceptHandler::accept_connection() {
     sockaddr_union sockaddr;
     socklen_t addrlen = sizeof(sockaddr);
 
+#ifdef HAVE_ACCEPT4
     auto cfd =
         accept4(fd_, &sockaddr.sa, &addrlen, SOCK_NONBLOCK | SOCK_CLOEXEC);
+#else  // !HAVE_ACCEPT4
+    auto cfd = accept(fd_, &sockaddr.sa, &addrlen);
+#endif // !HAVE_ACCEPT4
 
     if (cfd == -1) {
       switch (errno) {
@@ -79,6 +83,11 @@ void AcceptHandler::accept_connection() {
       return;
     }
 
+#ifndef HAVE_ACCEPT4
+    util::make_socket_nonblocking(cfd);
+    util::make_socket_closeonexec(cfd);
+#endif // !HAVE_ACCEPT4
+
     util::make_socket_nodelay(cfd);
 
     conn_hnr_->handle_connection(cfd, &sockaddr.sa, addrlen);