From 767fb175b10685fe96fabc692b8d06cac5bcd365 Mon Sep 17 00:00:00 2001
From: Indrek Juhkam <indrek@urgas.eu>
Date: Fri, 4 Dec 2015 19:38:24 +0200
Subject: [PATCH] Provide an alternative to pipe2() on non-Linux systems

---
 src/pipe.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/pipe.h b/src/pipe.h
index 11168d9..d374d7b 100644
--- a/src/pipe.h
+++ b/src/pipe.h
@@ -42,8 +42,16 @@ public:
     Pipe()
     {
         // construct the pipe
+#ifdef _GNU_SOURCE
         if (pipe2(_fds, O_CLOEXEC) == 0) return;
-        
+#else
+        if (
+            pipe(_fds) == 0 &&
+            fcntl(_fds[0], F_SETFD, FD_CLOEXEC) == 0 &&
+            fcntl(_fds[1], F_SETFD, FD_CLOEXEC) == 0
+        ) return;
+#endif
+
         // something went wrong
         throw std::runtime_error(strerror(errno));
     }