Use accept and not accept4.

runtime/bin/socket_linux.cc

Index: runtime/bin/socket_linux.cc
diff --git a/runtime/bin/socket_linux.cc b/runtime/bin/socket_linux.cc
index e650c681ed24535b9958c0ca63d0b16752614530..eec3c609f2e9e9dbd31b8be22f564011e4060d07 100644
--- a/runtime/bin/socket_linux.cc
+++ b/runtime/bin/socket_linux.cc
@@ -420,8 +420,7 @@ intptr_t ServerSocket::Accept(intptr_t fd) {
   intptr_t socket;
   struct sockaddr clientaddr;
   socklen_t addrlen = sizeof(clientaddr);
-  socket = TEMP_FAILURE_RETRY(accept4(
-      fd, &clientaddr, &addrlen, SOCK_NONBLOCK | SOCK_CLOEXEC));
+  socket = TEMP_FAILURE_RETRY(accept(fd, &clientaddr, &addrlen));
   if (socket == -1) {
     if (IsTemporaryAcceptError(errno)) {
       // We need to signal to the caller that this is actually not an
@@ -430,6 +429,9 @@ intptr_t ServerSocket::Accept(intptr_t fd) {
       ASSERT(kTemporaryFailure != -1);
       socket = kTemporaryFailure;
     }
+  } else {
+    FDUtils::SetNonBlocking(socket);
+    FDUtils::SetCloseOnExec(socket);
   }
   return socket;
 }