From f170c2376ae6cd3d6308a9224b68347e1a6c141f Mon Sep 17 00:00:00 2001
From: Jani Monoses <jani.monoses@canonical.com>
Date: Mon, 14 Mar 2011 19:10:04 +0100
Subject: prefer gcc __sync functions over pthread

Signed-off-by: Bjoern Michaelsen <bjoern.michaelsen@canonical.com>
---
 sal/osl/unx/interlck.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'sal')

diff --git a/sal/osl/unx/interlck.c b/sal/osl/unx/interlck.c
index f8630c97a4f1..ee64f8d7ab50 100644
--- a/sal/osl/unx/interlck.c
+++ b/sal/osl/unx/interlck.c
@@ -134,7 +134,16 @@ oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount*
 
     return nCount;
 }
+#elif ( __GNUC__ > 4 ) || (( __GNUC__ == 4) && ( __GNUC_MINOR__ >= 4 ))
+oslInterlockedCount SAL_CALL osl_incrementInterlockedCount(oslInterlockedCount* pCount)
+{
+    return __sync_add_and_fetch(pCount, 1);
+}
 
+oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount* pCount)
+{
+    return __sync_sub_and_fetch(pCount, 1);
+}
 #else
 /* use only if nothing else works, expensive due to single mutex for all reference counts */
 
-- 
cgit