From 0e186777eb5f4d0975d15a6da3de9f46f49159f8 Mon Sep 17 00:00:00 2001
From: marius <mmillea@ucdavis.edu>
Date: Tue, 11 Dec 2018 12:56:36 -0800
Subject: [PATCH] workaround for F_DUPFD_CLOEXEC on Linux kernel <2.6.24 before
 it existed

---
 src/init.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/init.c b/src/init.c
index c3e4ede715b56..f814c410dc4f2 100644
--- a/src/init.c
+++ b/src/init.c
@@ -345,8 +345,15 @@ int uv_dup(uv_os_fd_t fd, uv_os_fd_t* dupfd) {
 }
 #else
 int uv_dup(uv_os_fd_t fd, uv_os_fd_t* dupfd) {
+// F_DUPFD_CLOEXEC only available since Linux 2.6.24
+#ifdef F_DUPFD_CLOEXEC
     if ((*dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 3)) == -1)
         return -errno;
+#else
+    if ((*dupfd = fcntl(fd, F_DUPFD, 3)) == -1)
+        return -errno;
+    fcntl(fd, F_SETFD, FD_CLOEXEC);
+#endif
     return 0;
 }
 #endif