From 77238767ee7707fedd249624955605ea1ea80f1a Mon Sep 17 00:00:00 2001
From: Laurent Gomila <laurent.gom@gmail.com>
Date: Mon, 26 Aug 2013 20:54:26 +0200
Subject: [PATCH] Improved joystick detection performances on Linux (avoids
 endless calls to open when a joystick node cannot be open)

---
 src/SFML/Window/Linux/JoystickImpl.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/SFML/Window/Linux/JoystickImpl.cpp b/src/SFML/Window/Linux/JoystickImpl.cpp
index ccec0a31..0ea1ac23 100644
--- a/src/SFML/Window/Linux/JoystickImpl.cpp
+++ b/src/SFML/Window/Linux/JoystickImpl.cpp
@@ -46,8 +46,17 @@ namespace
         {
             char name[32];
             std::snprintf(name, sizeof(name), "/dev/input/js%u", i);
-            struct stat info;
-            plugged[i] = (stat(name, &info) == 0);
+
+            int file = ::open(name, O_RDONLY);
+            if (file >= 0)
+            {
+                plugged[i] = true;
+                ::close(file);
+            }
+            else
+            {
+                plugged[i] = false;
+            }
         }
     }