-#if defined(CONTEXT_THREADS) && !defined(HAVE_THREAD_LOCAL_STORAGE)
- /* the __thread storage class is not available on this platform:
- * use getspecific/setspecific instead to store the current context in each thread */
- xbt_os_thread_key_create(&smx_current_context_key);
-#endif
- if (!simix_global->context_factory) {
- /* select the context factory to use to create the contexts */
- if (smx_factory_initializer_to_use) {
- smx_factory_initializer_to_use(&simix_global->context_factory);
- }
- else { /* use the factory specified by --cfg=contexts/factory:value */
-
-
- if (!strcmp(smx_context_factory_name, "thread")) {
- /* use os threads (either pthreads or windows ones) */
- SIMIX_ctx_thread_factory_init(&simix_global->context_factory);
- }
-#ifdef CONTEXT_UCONTEXT
- else if (!strcmp(smx_context_factory_name, "ucontext")) {
- /* use ucontext */
- SIMIX_ctx_sysv_factory_init(&simix_global->context_factory);
- }
-#endif
-#ifdef HAVE_RAWCTX
- else if (!strcmp(smx_context_factory_name, "raw")) {
- /* use raw contexts */
- SIMIX_ctx_raw_factory_init(&simix_global->context_factory);
- }
+ xbt_assert(simix_global->context_factory == nullptr);
+
+ smx_context_stack_size_was_set = not simgrid::config::is_default("contexts/stack-size");
+ smx_context_guard_size_was_set = not simgrid::config::is_default("contexts/guard-size");
+
+#if HAVE_SMPI && (defined(__APPLE__) || defined(__NetBSD__))
+ std::string priv = simgrid::config::get_value<std::string>("smpi/privatization");
+ if (context_factory_name == "thread" && (priv == "dlopen" || priv == "yes" || priv == "default" || priv == "1")) {
+ XBT_WARN("dlopen+thread broken on Apple and BSD. Switching to raw contexts.");
+ context_factory_name = "raw";
+ }