This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / include / asm-h8300 / atomic.h

diff --git a/include/asm-h8300/atomic.h b/include/asm-h8300/atomic.h
index e9595c0..7230f65 100644 (file)
--- a/include/asm-h8300/atomic.h
+++ b/include/asm-h8300/atomic.h
@@ -25,6 +25,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v)
 }
 
 #define atomic_add(i, v) atomic_add_return(i, v)
+#define atomic_add_negative(a, v)      (atomic_add_return((a), (v)) < 0)
 
 static __inline__ int atomic_sub_return(int i, atomic_t *v)
 {
@@ -49,6 +50,16 @@ static __inline__ int atomic_inc_return(atomic_t *v)
 
 #define atomic_inc(v) atomic_inc_return(v)
 
+/*
+ * atomic_inc_and_test - increment and test
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
+
 static __inline__ int atomic_dec_return(atomic_t *v)
 {
        int ret,flags;