-void RawContext::stop()
-{
- Context::stop();
- throw StopRequest();
-}
-
-// SerialRawContext
-
-unsigned long SerialRawContext::process_index_; /* index of the next process to run in the list of runnable processes */
-
-void SerialRawContext::suspend()
-{
- /* determine the next context */
- SerialRawContext* next_context;
- unsigned long int i = process_index_;
- process_index_++;
- if (i < simix_global->process_to_run.size()) {
- /* execute the next process */
- XBT_DEBUG("Run next process");
- next_context = static_cast<SerialRawContext*>(simix_global->process_to_run[i]->context);
- } else {
- /* all processes were run, return to maestro */
- XBT_DEBUG("No more process to run");
- next_context = static_cast<SerialRawContext*>(RawContext::getMaestro());
- }
- SIMIX_context_set_current(next_context);
- RawContext::swap(this, next_context);
-}
-
-void SerialRawContext::resume()
-{
- SIMIX_context_set_current(this);
- RawContext::swap(RawContext::getMaestro(), this);
-}
-
-void SerialRawContext::run_all()
-{
- if (simix_global->process_to_run.empty())
- return;
- smx_actor_t first_process = simix_global->process_to_run.front();
- process_index_ = 1;
- static_cast<SerialRawContext*>(first_process->context)->resume();
-}
-
-// ParallelRawContext
-
-#if HAVE_THREAD_CONTEXTS
-
-simgrid::xbt::Parmap<smx_actor_t>* ParallelRawContext::parmap_;
-std::atomic<uintptr_t> ParallelRawContext::threads_working_; /* number of threads that have started their work */
-xbt_os_thread_key_t ParallelRawContext::worker_id_key_; /* thread-specific storage for the thread id */
-std::vector<ParallelRawContext*> ParallelRawContext::workers_context_; /* space to save the worker context
- in each thread */
-
-void ParallelRawContext::initialize()
-{
- parmap_ = nullptr;
- workers_context_.clear();
- workers_context_.resize(SIMIX_context_get_nthreads(), nullptr);
- xbt_os_thread_key_create(&worker_id_key_);
-}
-
-void ParallelRawContext::finalize()
-{
- delete parmap_;
- parmap_ = nullptr;
- workers_context_.clear();
- xbt_os_thread_key_destroy(worker_id_key_);
-}
-
-void ParallelRawContext::run_all()
-{
- threads_working_ = 0;
- if (parmap_ == nullptr)
- parmap_ = new simgrid::xbt::Parmap<smx_actor_t>(SIMIX_context_get_nthreads(), SIMIX_context_get_parallel_mode());
- parmap_->apply(
- [](smx_actor_t process) {
- ParallelRawContext* context = static_cast<ParallelRawContext*>(process->context);
- context->resume();
- },
- simix_global->process_to_run);
-}
-
-void ParallelRawContext::suspend()
-{
- /* determine the next context */
- boost::optional<smx_actor_t> next_work = parmap_->next();
- ParallelRawContext* next_context;
- if (next_work) {
- /* there is a next process to resume */
- XBT_DEBUG("Run next process");
- next_context = static_cast<ParallelRawContext*>(next_work.get()->context);
- } else {
- /* all processes were run, go to the barrier */
- XBT_DEBUG("No more processes to run");
- uintptr_t worker_id = reinterpret_cast<uintptr_t>(xbt_os_thread_get_specific(worker_id_key_));
- next_context = workers_context_[worker_id];
- XBT_DEBUG("Restoring worker stack %zu (working threads = %zu)", worker_id, threads_working_.load());
- }
-
- SIMIX_context_set_current(next_context);
- RawContext::swap(this, next_context);
-}
-
-void ParallelRawContext::resume()
-{
- uintptr_t worker_id = threads_working_.fetch_add(1, std::memory_order_relaxed);
- xbt_os_thread_set_specific(worker_id_key_, reinterpret_cast<void*>(worker_id));
- ParallelRawContext* worker_context = static_cast<ParallelRawContext*>(SIMIX_context_self());
- workers_context_[worker_id] = worker_context;
- XBT_DEBUG("Saving worker stack %zu", worker_id);
- SIMIX_context_set_current(this);
- RawContext::swap(worker_context, this);
-}
-
-#endif
-