uatomic: add memory barrier API for and/or/add/sub/inc/sub

[urcu.git] / urcu / uatomic / x86.h

diff --git a/urcu/uatomic/x86.h b/urcu/uatomic/x86.h
index afe6e37a9d7bf455694077fcbbe3cb2c2dd3a8cb..99b0e6c6b405191538ff6ab50de35320c47652ea 100644 (file)
--- a/urcu/uatomic/x86.h
+++ b/urcu/uatomic/x86.h
@@ -576,16 +576,31 @@ extern unsigned long _compat_uatomic_add_return(void *addr,
                UATOMIC_COMPAT(cmpxchg(addr, old, _new))
 #define uatomic_xchg(addr, v)                  \
                UATOMIC_COMPAT(xchg(addr, v))
+
 #define uatomic_and(addr, v)           \
                UATOMIC_COMPAT(and(addr, v))
+#define cmm_smp_mb__before_and()       cmm_barrier()
+#define cmm_smp_mb__after_and()                cmm_barrier()
+
 #define uatomic_or(addr, v)            \
                UATOMIC_COMPAT(or(addr, v))
+#define cmm_smp_mb__before_or()                cmm_barrier()
+#define cmm_smp_mb__after_or()         cmm_barrier()
+
 #define uatomic_add_return(addr, v)            \
                UATOMIC_COMPAT(add_return(addr, v))
 
 #define uatomic_add(addr, v)   UATOMIC_COMPAT(add(addr, v))
+#define cmm_smp_mb__before_add()       cmm_barrier()
+#define cmm_smp_mb__after_add()                cmm_barrier()
+
 #define uatomic_inc(addr)      UATOMIC_COMPAT(inc(addr))
+#define cmm_smp_mb__before_inc()       cmm_barrier()
+#define cmm_smp_mb__after_inc()                cmm_barrier()
+
 #define uatomic_dec(addr)      UATOMIC_COMPAT(dec(addr))
+#define cmm_smp_mb__before_dec()       cmm_barrier()
+#define cmm_smp_mb__after_dec()                cmm_barrier()
 
 #ifdef __cplusplus 
 }