From 84bc18684e40475d724c3163b4a2b116a62a2aa6 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Sat, 29 Oct 2011 05:32:22 +0200
Subject: [PATCH] linux: omit superfluous fcntl(F_GETFD) syscall

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

diff --git a/src/unix/core.c b/src/unix/core.c
index 706c89eb..0b81bc50 100644
--- a/src/unix/core.c
+++ b/src/unix/core.c
@@ -763,6 +763,12 @@ int uv__nonblock(int fd, int set) {
 
 
 int uv__cloexec(int fd, int set) {
+#if __linux__
+  /* Linux knows only FD_CLOEXEC so we can safely omit the fcntl(F_GETFD)
+   * syscall. CHECKME: That's probably true for other Unices as well.
+   */
+  return fcntl(fd, F_SETFD, set ? FD_CLOEXEC : 0);
+#else
   int flags;
 
   if ((flags = fcntl(fd, F_GETFD)) == -1) {
@@ -780,6 +786,7 @@ int uv__cloexec(int fd, int set) {
   }
 
   return 0;
+#endif
 }