PPC32: define atomic_add_negative

51ed88a4 · Paul Mackerras · 94f68b22 · 51ed88a4
Commit 51ed88a4 authored Sep 17, 2002 by Paul Mackerras
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 0 deletions

include/asm-ppc/atomic.h include/asm-ppc/atomic.h +2 -0

No files found.
--- a/include/asm-ppc/atomic.h
+++ b/include/asm-ppc/atomic.h
@@ -67,6 +67,8 @@ static __inline__ int atomic_add_return(int a, atomic_t *v)
 	return t;
 }

+#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
+
 static __inline__ void atomic_sub(int a, atomic_t *v)
 {
 	int t;