#ifdef CONTEXT_THREADS
/* context switch based os thread */
SIMIX_ctx_thread_factory_init(&simix_global->context_factory);
-#elif !defined(WIN32)
+#elif !defined(_XBT_WIN32)
/* context switch based ucontext */
SIMIX_ctx_sysv_factory_init(&simix_global->context_factory);
#else
#endif /* CONTEXT_THREADS */
else if (!strcmp(name, "sysv"))
- #if !defined(WIN32) && !defined(CONTEXT_THREADS)
+ #if !defined(_XBT_WIN32) && !defined(CONTEXT_THREADS)
SIMIX_ctx_sysv_factory_init(factory);
#else
THROW0(not_found_error, 0, "Factory 'sysv' does not exist: no System V thread support under Windows");