X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fcompiler.h;h=0d7ee9f6f27c597479f1db3d4ae5371598d1fbc0;hb=520e9a2acdcf6136bf0a20586df6351ecf72dd3e;hp=9e9eb82783e3fc94c419b1e15975742709c27dd9;hpb=b2fda3effc787f265b5ad5dfa967ac00627bd075;p=openvswitch

diff --git a/lib/compiler.h b/lib/compiler.h
index 9e9eb827..0d7ee9f6 100644
--- a/lib/compiler.h
+++ b/lib/compiler.h
@@ -25,6 +25,7 @@
 #define MALLOC_LIKE __attribute__((__malloc__))
 #define ALWAYS_INLINE __attribute__((always_inline))
 #define WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
+#define SENTINEL(N) __attribute__((sentinel(N)))
 #else
 #define NO_RETURN
 #define OVS_UNUSED
@@ -33,6 +34,7 @@
 #define MALLOC_LIKE
 #define ALWAYS_INLINE
 #define WARN_UNUSED_RESULT
+#define SENTINEL(N)
 #endif
 
 #endif /* compiler.h */