This article covers features introduced in SpiderMonkey 1.8
Register externally maintained GC roots.
Syntax
void JS_SetExtraGCRoots(JSRuntime *rt, JSTraceDataOp traceop, void *data);
| Argument | Meaning | 
|---|---|
| rt | The runtime whose trace operation is to be set. | 
| traceop | The trace operation. This is described below. | 
| data | Closure pointer, to be passed through to traceop. | 
Callback Syntax
typedef void JSTraceDataOp (JSTracer *trc, void *data);
| Argument | Meaning | 
|---|---|
| trc | Tracing data, to be passed through to JS_CallTracer. | 
| data | Closure pointer. This is the datavalue that was passed toJS_SetExtraGCRootswhen this callback function was installed. | 
Callback Description
Generic trace operation that calls JS_CallTracer on additional traceable things.