+/* xbt_os_thread_stub -- empty functions used in SG, but harmful in RL */
+/* More specifically, it is loaded by xbt/context.c when CONTEXT_UCONTEXT */
+/* When CONTEXT_THREAD, xbt_os_thread is loaded instead (to get real func) */
+/* In RL, xbt_os_thread is part of GRAS_RL_SRC */