-#if HAVE_THREAD_CONTEXTS
- // What is my containing body?
- uintptr_t worker_id = __sync_fetch_and_add(&sysv_threads_working, 1);
- // Store the number of my containing body in os-thread-specific area :
- xbt_os_thread_set_specific(sysv_worker_id_key, (void*) worker_id);
- // Get my current soul:
- UContext* worker_context = static_cast<UContext*>(SIMIX_context_self());
- // Write down that this soul is hosted in that body (for now)
- sysv_workers_context[worker_id] = worker_context;
- // Write in simix that I switched my soul
- SIMIX_context_set_current(this);
- // Actually do that using the relevant library call:
- UContext::swap(worker_context, this);
- // No body runs that soul anymore at this point.
- // Instead the current body took the soul of simulated process
- // The simulated process wakes back after the call to
- // "SIMIX_context_suspend(self->context);" within
- // smx_process.c::SIMIX_process_yield()
-
- // From now on, the simulated processes will change their
- // soul with the next soul to execute (in suspend_parallel, below).
- // When nobody is to be executed in this scheduling round,
- // the last simulated process will take back the initial
- // soul of the current working thread
-#endif
+ // Save the thread number (my body) in an os-thread-specific area
+ worker_id_ = threads_working_.fetch_add(1, std::memory_order_relaxed);
+ // Save my current soul (either maestro, or one of the minions) in a permanent area
+ SwappedContext* worker_context = static_cast<SwappedContext*>(self());
+ workers_context_[worker_id_] = worker_context;
+ // Switch my soul and the actor's one
+ Context::set_current(this);
+ worker_context->swap_into(this);
+ // No body runs that soul anymore at this point, but it is stored in a safe place.
+ // When the executed actor will do a blocking action, SIMIX_process_yield() will call suspend(), below.