xbt_os_thread_set_specific(raw_worker_id_key, (void*) worker_id);
RawContext* worker_context = (RawContext*) SIMIX_context_self();
raw_workers_context[worker_id] = worker_context;
- XBT_DEBUG("Saving worker stack %lu", worker_id);
+ XBT_DEBUG("Saving worker stack %zu", worker_id);
SIMIX_context_set_current(this);
raw_swapcontext(&worker_context->stack_top_, this->stack_top_);
#else