Prepare Open vSwitch 1.1.2 release.

[sliver-openvswitch.git] / lib / compiler.h

diff --git a/lib/compiler.h b/lib/compiler.h
index 17e245f..6bf5144 100644 (file)
--- a/lib/compiler.h
+++ b/lib/compiler.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,14 +17,22 @@
 #ifndef COMPILER_H
 #define COMPILER_H 1
 
+#ifdef __GNUC__
 #define NO_RETURN __attribute__((__noreturn__))
-#define UNUSED __attribute__((__unused__))
-#define PACKED __attribute__((__packed__))
+#define OVS_UNUSED __attribute__((__unused__))
 #define PRINTF_FORMAT(FMT, ARG1) __attribute__((__format__(printf, FMT, ARG1)))
 #define STRFTIME_FORMAT(FMT) __attribute__((__format__(__strftime__, FMT, 0)))
 #define MALLOC_LIKE __attribute__((__malloc__))
 #define ALWAYS_INLINE __attribute__((always_inline))
-#define likely(x) __builtin_expect((x),1)
-#define unlikely(x) __builtin_expect((x),0)
+#define WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
+#else
+#define NO_RETURN
+#define OVS_UNUSED
+#define PRINTF_FORMAT(FMT, ARG1)
+#define STRFTIME_FORMAT(FMT)
+#define MALLOC_LIKE
+#define ALWAYS_INLINE
+#define WARN_UNUSED_RESULT
+#endif
 
 #endif /* compiler.h */