futex and rlimit

kernel/include/lwk/compiler-gcc4.h

@@ -0,0 +1,24 @@
+/* Never include this file directly.  Include <lwk/compiler.h> instead.  */
+
+/* These definitions are for GCC v4.x.  */
+#include <lwk/compiler-gcc.h>
+
+#ifdef CONFIG_FORCED_INLINING
+# undef inline
+# undef __inline__
+# undef __inline
+# define inline			inline		__attribute__((always_inline))
+# define __inline__		__inline__	__attribute__((always_inline))
+# define __inline		__inline	__attribute__((always_inline))
+#endif
+
+#define __used			__attribute__((__used__))
+#define __must_check 		__attribute__((warn_unused_result))
+#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+#define __always_inline		inline __attribute__((always_inline))
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x