X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sparc%2Fatomic.h;h=fe210f3614c3117106f557a7d179ae19c62021e1;hb=720b94a4e7548e78be55ab8fd3be4686c57dc808;hp=14b5a8e4da19255d53d3fe6a713463a0e0f0d2fb;hpb=86090fcac5e27b630656fe3d963a6b80e26dac44;p=linux-2.6.git

diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h
index 14b5a8e4d..fe210f361 100644
--- a/include/asm-sparc/atomic.h
+++ b/include/asm-sparc/atomic.h
@@ -33,6 +33,18 @@ extern void atomic_set(atomic_t *, int);
 #define atomic_inc_return(v)	(__atomic_add_return(        1, (v)))
 #define atomic_dec_return(v)	(__atomic_add_return(       -1, (v)))
 
+#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
+
+/*
+ * 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)
+
 #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
 
 /* This is the old 24-bit implementation.  It's still used internally