X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-alpha%2Fatomic.h;h=fc77f74130832a099ab91bf26449f1f3ea348690;hb=ea62ccd00fd0b6720b033adfc9984f31130ce195;hp=20ac3d95ecd9ae34ab3fcba2c58a5656c72be6d7;hpb=a4da0628efd788eb199dd9df225e296035ec2539;p=powerpc.git

diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h
index 20ac3d95ec..fc77f74130 100644
--- a/include/asm-alpha/atomic.h
+++ b/include/asm-alpha/atomic.h
@@ -118,8 +118,6 @@ static __inline__ long atomic_add_return(int i, atomic_t * v)
 	return result;
 }
 
-#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
-
 static __inline__ long atomic64_add_return(long i, atomic64_t * v)
 {
 	long temp, result;
@@ -177,6 +175,22 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 	return result;
 }
 
+#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
+#define atomic_add_unless(v, a, u)				\
+({								\
+	int c, old;						\
+	c = atomic_read(v);					\
+	while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
+		c = old;					\
+	c != (u);						\
+})
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
+#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
+#define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0)
+
 #define atomic_dec_return(v) atomic_sub_return(1,(v))
 #define atomic64_dec_return(v) atomic64_sub_return(1,(v))
 
@@ -187,6 +201,8 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 #define atomic64_sub_and_test(i,v) (atomic64_sub_return((i), (v)) == 0)
 
 #define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0)
+#define atomic64_inc_and_test(v) (atomic64_add_return(1, (v)) == 0)
+
 #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
 #define atomic64_dec_and_test(v) (atomic64_sub_return(1, (v)) == 0)
 
@@ -201,4 +217,5 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 #define smp_mb__before_atomic_inc()	smp_mb()
 #define smp_mb__after_atomic_inc()	smp_mb()
 
+#include <asm-generic/atomic.h>
 #endif /* _ALPHA_ATOMIC_H */