Atomics Futex API

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 1d1028f9b42281acce55eaa5692cca0262a943cb..a6fec205d0f7e08f7144dbd09f055e9625ca414a 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -66,6 +66,13 @@ namespace internal {
   F(AtomicsIsLockFree, 1, 1)
 
 
+#define FOR_EACH_INTRINSIC_FUTEX(F)  \
+  F(AtomicsFutexWait, 4, 1)          \
+  F(AtomicsFutexWake, 3, 1)          \
+  F(AtomicsFutexWakeOrRequeue, 5, 1) \
+  F(AtomicsFutexNumWaitersForTesting, 2, 1)
+
+
 #define FOR_EACH_INTRINSIC_CLASSES(F)         \
   F(ThrowNonMethodError, 0, 1)                \
   F(ThrowUnsupportedSuperError, 0, 1)         \
@@ -719,6 +726,7 @@ namespace internal {
   FOR_EACH_INTRINSIC_DEBUG(F)               \
   FOR_EACH_INTRINSIC_FORIN(F)               \
   FOR_EACH_INTRINSIC_FUNCTION(F)            \
+  FOR_EACH_INTRINSIC_FUTEX(F)               \
   FOR_EACH_INTRINSIC_GENERATOR(F)           \
   FOR_EACH_INTRINSIC_I18N(F)                \
   FOR_EACH_INTRINSIC_INTERNAL(F)            \