add FUTEX_PRIVATE macro to internal futex.h

diff --git a/src/internal/futex.h b/src/internal/futex.h
index d7bf2b7d4aad405479fc9fb31e1a7dfeb3e946bc..cf4c79513e240777b2a2335e604e41814206db26 100644 (file)
--- a/src/internal/futex.h
+++ b/src/internal/futex.h
@@ -12,6 +12,8 @@
 #define FUTEX_TRYLOCK_PI       8
 #define FUTEX_WAIT_BITSET      9
 
+#define FUTEX_PRIVATE 128
+
 #define FUTEX_CLOCK_REALTIME 256
 
 int __futex(volatile int *, int, int, void *);