kill actor when abusive

source/quickjs.h

@@ -294,6 +294,12 @@ JS_IsShortFloat (JSValue v) {
 #define JS_FALSE ((JSValue)JS_TAG_BOOL)
 #define JS_TRUE ((JSValue)(JS_TAG_BOOL | (1 << 5)))
 #define JS_EXCEPTION ((JSValue)JS_TAG_EXCEPTION)
+#define JS_TAG_SUSPENDED 0x13     /* 10011 - distinct special tag */
+#define JS_SUSPENDED ((JSValue)JS_TAG_SUSPENDED)
+
+static inline JS_BOOL JS_IsSuspended(JSValue v) {
+  return JS_VALUE_GET_TAG(v) == JS_TAG_SUSPENDED;
+}
 
 #ifndef JS_DEFAULT_STACK_SIZE
 #define JS_DEFAULT_STACK_SIZE (1024 * 1024)
@@ -333,6 +339,12 @@ void JS_SetMaxStackSize (JSContext *ctx, size_t stack_size);
    used to check stack overflow. */
 void JS_UpdateStackTop (JSContext *ctx);
 
+/* Returns the current VM call depth (0 = pure bytecode, >0 = C frames) */
+int JS_GetVMCallDepth(JSContext *ctx);
+
+/* Set per-context heap memory limit (0 = no limit) */
+void JS_SetHeapMemoryLimit(JSContext *ctx, size_t limit);
+
 /* return != 0 if the JS code needs to be interrupted */
 typedef int JSInterruptHandler (JSRuntime *rt, void *opaque);
 void JS_SetInterruptHandler (JSContext *ctx, JSInterruptHandler *cb,