XBT_PUBLIC void simcall_cond_wait(smx_cond_t cond, smx_mutex_t mutex);
XBT_PUBLIC int simcall_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex, double max_duration);
-XBT_PUBLIC void SIMIX_sem_destroy(smx_sem_t sem);
XBT_PUBLIC void simcall_sem_acquire(smx_sem_t sem);
XBT_PUBLIC int simcall_sem_acquire_timeout(smx_sem_t sem, double max_duration);