Function pushAsyncContext

lib/internal/async_hooks.js:548–558

(asyncId, triggerAsyncId, resource)

// This is the equivalent of the native push_async_ids() call.
function pushAsyncContext(asyncId, triggerAsyncId, resource) {
  const offset = async_hook_fields[kStackLength];
  execution_async_resources[offset] = resource;
  if (offset * 2 >= async_wrap.async_ids_stack.length)
    return pushAsyncContext_(asyncId, triggerAsyncId);
  async_wrap.async_ids_stack[offset * 2] = async_id_fields[kExecutionAsyncId];
  async_wrap.async_ids_stack[offset * 2 + 1] = async_id_fields[kTriggerAsyncId];
  async_hook_fields[kStackLength]++;
  async_id_fields[kExecutionAsyncId] = asyncId;
  async_id_fields[kTriggerAsyncId] = triggerAsyncId;
}


// This is the equivalent of the native pop_async_ids() call.