Add extern "C" to support linking userspace RCU library with C++ applications

[urcu.git] / urcu / arch_ppc.h

diff --git a/urcu/arch_ppc.h b/urcu/arch_ppc.h
index 8dfd6d161970432a2225082295a424249af4b980..49d844b617aafced769b48b3fddd57c5b3106e85 100644 (file)
--- a/urcu/arch_ppc.h
+++ b/urcu/arch_ppc.h
@@ -23,11 +23,17 @@
  */
 
 #include <urcu/compiler.h>
-#include <urcu/arch_uatomic.h>
+#include <urcu/config.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
 
-#define CONFIG_HAVE_FENCE 1
 #define CONFIG_HAVE_MEM_COHERENCY
 
+/* Include size of POWER5+ L3 cache lines: 256 bytes */
+#define CACHE_LINE_SIZE        256
+
 #ifndef BITS_PER_LONG
 #define BITS_PER_LONG  (__SIZEOF_LONG__ * 8)
 #endif
@@ -51,10 +57,7 @@
 #define rmc()  barrier()
 #define wmc()  barrier()
 
-/* Assume SMP machine, given we don't have this information */
-#define CONFIG_SMP 1
-
-#ifdef CONFIG_SMP
+#ifdef CONFIG_URCU_SMP
 #define smp_mb()       mb()
 #define smp_rmb()      rmb()
 #define smp_wmb()      wmb()
@@ -116,4 +119,8 @@ static inline cycles_t get_cycles (void)
        }
 }
 
+#ifdef __cplusplus 
+}
+#endif
+
 #endif /* _URCU_ARCH_PPC_H */