[PATCH 11/14] atomic_ulong_t

[Peter Zijlstra]

provide an unsigned long atomic type.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
 include/asm-generic/atomic.h |   45 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

Index: linux-2.6-git2/include/asm-generic/atomic.h
===================================================================
--- linux-2.6-git2.orig/include/asm-generic/atomic.h	2006-12-15 14:13:20.000000000 +0100
+++ linux-2.6-git2/include/asm-generic/atomic.h	2006-12-20 22:28:23.000000000 +0100
@@ -115,4 +115,49 @@ static inline void atomic_long_sub(long 
 
 #endif  /*  BITS_PER_LONG == 64  */
 
+typedef atomic_long_t atomic_ulong_t;
+
+#define ATOMIC_ULONG_INIT(i)	ATOMIC_LONG_INIT(i)
+static inline unsigned long atomic_ulong_read(atomic_ulong_t *l)
+{
+	atomic_long_t *v = (atomic_long_t *)l;
+
+	return (unsigned long)atomic_long_read(v);
+}
+
+static inline void atomic_ulong_set(atomic_ulong_t *l, unsigned long i)
+{
+	atomic_long_t *v = (atomic_long_t *)l;
+
+	atomic_long_set(v, i);
+}
+
+static inline void atomic_ulong_inc(atomic_ulong_t *l)
+{
+	atomic_long_t *v = (atomic_long_t *)l;
+
+	atomic_long_inc(v);
+}
+
+static inline void atomic_ulong_dec(atomic_ulong_t *l)
+{
+	atomic_long_t *v = (atomic_long_t *)l;
+
+	atomic_long_dec(v);
+}
+
+static inline void atomic_ulong_add(unsigned long i, atomic_ulong_t *l)
+{
+	atomic_long_t *v = (atomic_long_t *)l;
+
+	atomic_long_add(i, v);
+}
+
+static inline void atomic_ulong_sub(unsigned long i, atomic_ulong_t *l)
+{
+	atomic_long_t *v = (atomic_long_t *)l;
+
+	atomic_long_sub(i, v);
+}
+
 #endif  /*  _ASM_GENERIC_ATOMIC_H  */

--

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