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Subject[PATCH 02/10] atomic.h : Complete atomic_long operations in asm-generic
Date
atomic.h : Complete atomic_long operations in asm-generic

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -9,6 +9,7 @@
*/

#include <asm/types.h>
+#include <asm/system.h>

/*
* Suppport for atomic_long_t
@@ -66,6 +67,72 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
atomic64_sub(i, v);
}

+static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return atomic64_sub_and_test(i, v);
+}
+
+static inline int atomic_long_dec_and_test(atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return atomic64_dec_and_test(v);
+}
+
+static inline int atomic_long_inc_and_test(atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return atomic64_inc_and_test(v);
+}
+
+static inline int atomic_long_add_negative(long i, atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return atomic64_add_negative(i, v);
+}
+
+static inline long atomic_long_add_return(long i, atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return (long)atomic64_add_return(i, v);
+}
+
+static inline long atomic_long_sub_return(long i, atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return (long)atomic64_sub_return(i, v);
+}
+
+static inline long atomic_long_inc_return(atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return (long)atomic64_inc_return(v);
+}
+
+static inline long atomic_long_dec_return(atomic_long_t *l)
+{
+ atomic64_t *v = (atomic64_t *)l;
+
+ return (long)atomic64_dec_return(v);
+}
+
+#define atomic_long_add_unless(l, a, u) \
+ atomic64_add_unless((atomic64_t *)(l), (a), (u))
+
+#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l))
+
+#define atomic_long_cmpxchg(l, old, new) \
+ (atomic_cmpxchg((atomic64_t *)(l), (old), (new)))
+#define atomic_long_xchg(v, new) \
+ (atomic_xchg((atomic64_t *)(l), (new)))
+
#else /* BITS_PER_LONG == 64 */

typedef atomic_t atomic_long_t;
@@ -113,6 +180,72 @@ static inline void atomic_long_sub(long i, atomic_long_t *l)
atomic_sub(i, v);
}

+static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return atomic_sub_and_test(i, v);
+}
+
+static inline int atomic_long_dec_and_test(atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return atomic_dec_and_test(v);
+}
+
+static inline int atomic_long_inc_and_test(atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return atomic_inc_and_test(v);
+}
+
+static inline int atomic_long_add_negative(long i, atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return atomic_add_negative(i, v);
+}
+
+static inline long atomic_long_add_return(long i, atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return (long)atomic_add_return(i, v);
+}
+
+static inline long atomic_long_sub_return(long i, atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return (long)atomic_sub_return(i, v);
+}
+
+static inline long atomic_long_inc_return(atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return (long)atomic_inc_return(v);
+}
+
+static inline long atomic_long_dec_return(atomic_long_t *l)
+{
+ atomic_t *v = (atomic_t *)l;
+
+ return (long)atomic_dec_return(v);
+}
+
+#define atomic_long_add_unless(l, a, u) \
+ atomic_add_unless((atomic_t *)(l), (a), (u))
+
+#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l))
+
+#define atomic_long_cmpxchg(l, old, new) \
+ (atomic_cmpxchg((atomic_t *)(l), (old), (new)))
+#define atomic_long_xchg(v, new) \
+ (atomic_xchg((atomic_t *)(l), (new)))
+
#endif /* BITS_PER_LONG == 64 */

#endif /* _ASM_GENERIC_ATOMIC_H */
-
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