X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fuatomic_generic.h;h=556846ff7260dc34c0753c1b3c310f8362f9bb1f;hb=985b35b18796edab591775098fef83a50a1e55ce;hp=ced61913c5b0552a1da7580333347902ce0ba6b0;hpb=b39e1761c4ccb070fcda1b86dc4ff0c66a853299;p=urcu.git

diff --git a/urcu/uatomic_generic.h b/urcu/uatomic_generic.h
index ced6191..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)	CAA_STORE_SHARED(*(addr), (v))
+#define uatomic_set(addr, v)	CMM_STORE_SHARED(*(addr), (v))
 #endif
 
 #ifndef uatomic_read
-#define uatomic_read(addr)	CAA_LOAD_SHARED(*(addr))
+#define uatomic_read(addr)	CMM_LOAD_SHARED(*(addr))
 #endif
 
 #if !defined __OPTIMIZE__  || defined UATOMIC_NO_LINK_ERROR
@@ -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
@@ -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 */