void NativeToJsBridge::callFunction(
ExecutorToken executorToken,
std::string&& module,
std::string&& method,
folly::dynamic&& arguments) {
int systraceCookie = -1;
#ifdef WITH_FBSYSTRACE
systraceCookie = m_systraceCookie++;
std::string tracingName = fbsystrace_is_tracing(TRACE_TAG_REACT_CXX_BRIDGE) ?
folly::to<std::string>("JSCall__", module, '_', method) : std::string();
SystraceSection s(tracingName.c_str());
FbSystraceAsyncFlow::begin(
TRACE_TAG_REACT_CXX_BRIDGE,
tracingName.c_str(),
systraceCookie);
#else
std::string tracingName;
#endif
runOnExecutorQueue(executorToken, [module = std::move(module), method = std::move(method), arguments = std::move(arguments), tracingName = std::move(tracingName), systraceCookie] (JSExecutor* executor) {
#ifdef WITH_FBSYSTRACE
FbSystraceAsyncFlow::end(
TRACE_TAG_REACT_CXX_BRIDGE,
tracingName.c_str(),
systraceCookie);
SystraceSection s(tracingName.c_str());
#endif
// This is safe because we are running on the executor's thread: it won't
// destruct until after it's been unregistered (which we check above) and
// that will happen on this thread
executor->callFunction(module, method, arguments);
});
}
static JSValueRef nativeTraceEndLegacy(
JSContextRef ctx,
JSObjectRef function,
JSObjectRef thisObject,
size_t argumentCount,
const JSValueRef arguments[],
JSValueRef* exception) {
if (FBSYSTRACE_LIKELY(argumentCount >= 1)) {
uint64_t tag = facebook::react::tracingTagFromJSValue(ctx, arguments[0], exception);
if (!fbsystrace_is_tracing(tag)) {
return JSValueMakeUndefined(ctx);
}
}
JSStringRef title = JSStringCreateWithUTF8CString(ENABLED_FBSYSTRACE_PROFILE_NAME);
JSEndProfiling(ctx, title);
JSStringRelease(title);
return JSValueMakeUndefined(ctx);
}
