1 files changed, 9 insertions, 0 deletions
diff --git a/upb/upb.h b/upb/upb.h
index 3744ea6..13efaed 100644
--- a/upb/upb.h
+++ b/upb/upb.h
@@ -25,6 +25,15 @@
 #define UPB_INLINE static inline
 #endif
 
+// For use in C/C++ source files (not headers), forces inlining within the file.
+#ifdef __GNUC__
+#define UPB_FORCEINLINE inline __attribute__((always_inline))
+#define UPB_NOINLINE __attribute__((noinline))
+#else
+#define UPB_FORCEINLINE
+#define UPB_NOINLINE
+#endif
+
 #if __STDC_VERSION__ >= 199901L
 #define UPB_C99
 #endif