[Pkg-mono-svn-commits] [mono] 11/23: Use __sync_sub_and_fetch () for atomic decrements for clarity. (cherry picked from commit e02b11b7081a3dcd02d4b6b01e6e0f92d46b7cb6)

[Jo Shields]

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directhex pushed a commit to branch master-experimental-patches/atomics_support_on_fringe_32bit_platforms
in repository mono.

commit 3b93dd8ce0cbd782789779831682f9754c8715b5
Author: Alex Rønne Petersen <alexrp at xamarin.com>
Date:   Wed Sep 25 20:13:37 2013 +0200

    Use __sync_sub_and_fetch () for atomic decrements for clarity.
    (cherry picked from commit e02b11b7081a3dcd02d4b6b01e6e0f92d46b7cb6)
---
 mono/utils/atomic.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mono/utils/atomic.h b/mono/utils/atomic.h
index 95fd771..bf7f559 100755
--- a/mono/utils/atomic.h
+++ b/mono/utils/atomic.h
@@ -81,7 +81,7 @@ static inline gint32 InterlockedIncrement(volatile gint32 *val)
 
 static inline gint32 InterlockedDecrement(volatile gint32 *val)
 {
-	return __sync_add_and_fetch (val, -1);
+	return __sync_sub_and_fetch (val, 1);
 }
 
 static inline gint32 InterlockedExchange(volatile gint32 *val, gint32 new_val)

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