[Pkg-mono-svn-commits] [mono] 12/23: Use InterlockedRead64 () for Interlocked.Read (long&). (cherry picked from commit ab90040305d003b6c06c842e788e682495117514)

[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 8d36fd126439b17471c4d1dc12cdcfed06c8a4e0
Author: Alex Rønne Petersen <alexrp at xamarin.com>
Date:   Wed Sep 25 20:19:18 2013 +0200

    Use InterlockedRead64 () for Interlocked.Read (long&).
    (cherry picked from commit ab90040305d003b6c06c842e788e682495117514)
---
 mono/metadata/threads.c |   13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/mono/metadata/threads.c b/mono/metadata/threads.c
index 7ffb1ab..bd95303 100755
--- a/mono/metadata/threads.c
+++ b/mono/metadata/threads.c
@@ -2023,18 +2023,7 @@ ves_icall_System_Threading_Interlocked_Add_Long (gint64 *location, gint64 value)
 gint64 
 ves_icall_System_Threading_Interlocked_Read_Long (gint64 *location)
 {
-#if SIZEOF_VOID_P == 8
-	/* 64 bit reads are already atomic */
-	return *location;
-#else
-	gint64 res;
-
-	mono_interlocked_lock ();
-	res = *location;
-	mono_interlocked_unlock ();
-
-	return res;
-#endif
+	return InterlockedRead64 (location);
 }
 
 void

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