XBT_PUBLIC(void) xbt_os_thread_join(xbt_os_thread_t thread, void **thread_return);
XBT_PUBLIC(void) xbt_os_thread_yield(void);
XBT_PUBLIC(void) xbt_os_thread_cancel(xbt_os_thread_t thread);
-XBT_PUBLIC(void *) xbt_os_thread_getparam(void);
XBT_PUBLIC(void) xbt_os_thread_setstacksize(int stack_size);
XBT_PUBLIC(void) xbt_os_thread_setguardsize(int guard_size);