X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fuatomic_generic.h;h=556846ff7260dc34c0753c1b3c310f8362f9bb1f;hb=985b35b18796edab591775098fef83a50a1e55ce;hp=93435d1434a4d83cffad14b3605189c3b3563756;hpb=1b27a7725e853b9f0673a0ed2639b8dc1065f21b;p=urcu.git

diff --git a/urcu/uatomic_generic.h b/urcu/uatomic_generic.h
index 93435d1..556846f 100644
--- a/urcu/uatomic_generic.h
+++ b/urcu/uatomic_generic.h
@@ -29,11 +29,11 @@ extern "C" {
 #endif
 
 #ifndef uatomic_set
-#define uatomic_set(addr, v)	STORE_SHARED(*(addr), (v))
+#define uatomic_set(addr, v)	CMM_STORE_SHARED(*(addr), (v))
 #endif
 
 #ifndef uatomic_read
-#define uatomic_read(addr)	LOAD_SHARED(*(addr))
+#define uatomic_read(addr)	CMM_LOAD_SHARED(*(addr))
 #endif
 
 #if !defined __OPTIMIZE__  || defined UATOMIC_NO_LINK_ERROR
@@ -71,7 +71,7 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
 #endif
 	case 4:
 		return __sync_val_compare_and_swap_4(addr, old, _new);
-#if (BITS_PER_LONG == 64)
+#if (CAA_BITS_PER_LONG == 64)
 	case 8:
 		return __sync_val_compare_and_swap_8(addr, old, _new);
 #endif
@@ -87,6 +87,39 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
 						sizeof(*(addr))))
 
 
+/* uatomic_or */
+
+#ifndef uatomic_or
+static inline __attribute__((always_inline))
+void _uatomic_or(void *addr, unsigned long val,
+		 int len)
+{
+	switch (len) {
+#ifdef UATOMIC_HAS_ATOMIC_BYTE
+	case 1:
+		__sync_or_and_fetch_1(addr, val);
+#endif
+#ifdef UATOMIC_HAS_ATOMIC_SHORT
+	case 2:
+		__sync_or_and_fetch_2(addr, val);
+#endif
+	case 4:
+		__sync_or_and_fetch_4(addr, val);
+#if (CAA_BITS_PER_LONG == 64)
+	case 8:
+		__sync_or_and_fetch_8(addr, val);
+#endif
+	}
+	_uatomic_link_error();
+	return 0;
+}
+
+#define uatomic_or(addr, v)			\
+	(_uatomic_or((addr),			\
+		     (unsigned long)(v),	\
+		     sizeof(*(addr))))
+#endif
+
 /* uatomic_add_return */
 
 #ifndef uatomic_add_return
@@ -105,7 +138,7 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val,
 #endif
 	case 4:
 		return __sync_add_and_fetch_4(addr, val);
-#if (BITS_PER_LONG == 64)
+#if (CAA_BITS_PER_LONG == 64)
 	case 8:
 		return __sync_add_and_fetch_8(addr, val);
 #endif
@@ -158,11 +191,11 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len)
 
 		do {
 			old = uatomic_read((unsigned int *)addr);
-		while (!__sync_bool_compare_and_swap_4(addr, old, val));
+		} while (!__sync_bool_compare_and_swap_4(addr, old, val));
 
-		} return old;
+		return old;
 	}
-#if (BITS_PER_LONG == 64)
+#if (CAA_BITS_PER_LONG == 64)
 	case 8:
 	{
 		unsigned long old;
@@ -186,6 +219,70 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len)
 
 #else /* #ifndef uatomic_cmpxchg */
 
+#ifndef uatomic_or
+/* uatomic_or */
+
+static inline __attribute__((always_inline))
+void _uatomic_or(void *addr, unsigned long val, int len)
+{
+	switch (len) {
+#ifdef UATOMIC_HAS_ATOMIC_BYTE
+	case 1:
+	{
+		unsigned char old, oldt;
+
+		oldt = uatomic_read((unsigned char *)addr);
+		do {
+			old = oldt;
+			oldt = _uatomic_cmpxchg(addr, old, old | val, 1);
+		} while (oldt != old);
+	}
+#endif
+#ifdef UATOMIC_HAS_ATOMIC_SHORT
+	case 2:
+	{
+		unsigned short old, oldt;
+
+		oldt = uatomic_read((unsigned short *)addr);
+		do {
+			old = oldt;
+			oldt = _uatomic_cmpxchg(addr, old, old | val, 2);
+		} while (oldt != old);
+	}
+#endif
+	case 4:
+	{
+		unsigned int old, oldt;
+
+		oldt = uatomic_read((unsigned int *)addr);
+		do {
+			old = oldt;
+			oldt = _uatomic_cmpxchg(addr, old, old | val, 4);
+		} while (oldt != old);
+	}
+#if (CAA_BITS_PER_LONG == 64)
+	case 8:
+	{
+		unsigned long old, oldt;
+
+		oldt = uatomic_read((unsigned long *)addr);
+		do {
+			old = oldt;
+			oldt = _uatomic_cmpxchg(addr, old, old | val, 8);
+		} while (oldt != old);
+	}
+#endif
+	}
+	_uatomic_link_error();
+	return 0;
+}
+
+#define uatomic_or(addr, v)		\
+	(uatomic_or((addr),		\
+		    (unsigned long)(v),	\
+		    sizeof(*(addr))))
+#endif /* #ifndef uatomic_or */
+
 #ifndef uatomic_add_return
 /* uatomic_add_return */
 
@@ -233,7 +330,7 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val, int len)
 
 		return old + val;
 	}
-#if (BITS_PER_LONG == 64)
+#if (CAA_BITS_PER_LONG == 64)
 	case 8:
 	{
 		unsigned long old, oldt;
@@ -305,7 +402,7 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len)
 
 		return old;
 	}
-#if (BITS_PER_LONG == 64)
+#if (CAA_BITS_PER_LONG == 64)
 	case 8:
 	{
 		unsigned long old, oldt;