+// pre prototypes
+smx_mutex_t SIMIX_pre_mutex_init(smx_simcall_t simcall);
+void SIMIX_pre_mutex_destroy(smx_simcall_t simcall, smx_mutex_t mutex);
+int SIMIX_pre_mutex_trylock(smx_simcall_t simcall, smx_mutex_t mutex);
+void SIMIX_pre_mutex_unlock(smx_simcall_t simcall, smx_mutex_t mutex);
+smx_cond_t SIMIX_pre_cond_init(smx_simcall_t simcall);
+void SIMIX_pre_cond_destroy(smx_simcall_t simcall, smx_cond_t cond);
+void SIMIX_pre_cond_signal(smx_simcall_t simcall, smx_cond_t cond);
+void SIMIX_pre_cond_broadcast(smx_simcall_t simcall, smx_cond_t cond);
+smx_sem_t SIMIX_pre_sem_init(smx_simcall_t simcall, unsigned int value);
+void SIMIX_pre_sem_destroy(smx_simcall_t simcall, smx_sem_t sem);
+void SIMIX_pre_sem_release(smx_simcall_t simcall, smx_sem_t sem);
+static XBT_INLINE int SIMIX_pre_sem_would_block(smx_simcall_t simcall,
+ smx_sem_t sem)
+{
+ return SIMIX_sem_would_block(sem);
+}
+int SIMIX_pre_sem_get_capacity(smx_simcall_t simcall, smx_sem_t sem);