bool
js::gc::InitTrace(GCRuntime &gc)
{
/* This currently does not support multiple runtimes. */
MOZ_ALWAYS_TRUE(!gcTraceFile);
char *filename = getenv("JS_GC_TRACE");
if (!filename)
return true;
if (!tracedClasses.init() || !tracedTypes.init()) {
FinishTrace();
return false;
}
gcTraceFile = fopen(filename, "w");
if (!gcTraceFile) {
FinishTrace();
return false;
}
TraceEvent(TraceEventInit, 0, TraceFormatVersion);
/* Trace information about thing sizes. */
for (unsigned kind = 0; kind < FINALIZE_LIMIT; ++kind)
TraceEvent(TraceEventThingSize, Arena::thingSize((AllocKind)kind));
return true;
}
bool
CheckHeapTracer::init()
{
return visited.init();
}