File DirectFB-1.6.1-gcc-atomics-on-arm.patch of Package DirectFB

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File DirectFB-1.6.1-gcc-atomics-on-arm.patch of Package DirectFB (Revision 5cb60487b10f8138977056eb39f1c166)

Currently displaying revision 5cb60487b10f8138977056eb39f1c166 , Show latest

diff -up DirectFB-1.6.1/lib/direct/atomic.h.arm-atomics DirectFB-1.6.1/lib/direct/atomic.h
--- DirectFB-1.6.1/lib/direct/atomic.h.arm-atomics	2012-06-29 12:01:11.000000000 -0400
+++ DirectFB-1.6.1/lib/direct/atomic.h	2012-08-29 10:18:08.596702883 -0400
@@ -239,6 +239,31 @@ static inline int _D__atomic_add_return(
 #define D_SYNC_ADD_AND_FETCH( ptr, value )                                           \
      (_D__atomic_add_return( (int) (value), (volatile int*) (ptr) ))
 
+#elif defined(ARCH_ARM) && !defined(ARCH_IWMMXT)
+
+static inline int _D__atomic_cmpxchg(volatile int *ptr, int old, int _new)
+{
+	unsigned long oldval = old;
+
+	__atomic_compare_exchange_n(ptr, &oldval, _new,
+				    false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
+
+	return oldval;
+}
+
+#define D_SYNC_BOOL_COMPARE_AND_SWAP( ptr, old_value, new_value )                    \
+     (_D__atomic_cmpxchg( (void*) ptr, (int) old_value, (int) new_value ) == (int) old_value)
+
+static inline int _D__atomic_add_return(int i, volatile int *v)
+{
+	int result = __atomic_add_fetch(v, i, __ATOMIC_SEQ_CST);
+
+	return result;
+}
+
+#define D_SYNC_ADD_AND_FETCH( ptr, value )                                           \
+     (_D__atomic_add_return( (int) (value), (volatile int*) (ptr) ))
+
 #endif

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File DirectFB-1.6.1-gcc-atomics-on-arm.patch of Package DirectFB (Revision 5cb60487b10f8138977056eb39f1c166)

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