* @brief Creates a synchro that executes some computation of an host.
*
* This function creates a SURF action and allocates the data necessary
- * to create the SIMIX synchro. It can raise a host_error exception if the host crashed.
+ * to create the SIMIX synchro. It can raise a HostFailureException exception if the host crashed.
*
* @param name Name of the execution synchro to create
* @param category Tracing category
* @brief Creates a new sleep SIMIX synchro.
*
* This function creates a SURF action and allocates the data necessary
- * to create the SIMIX synchro. It can raise a host_error exception if the
+ * to create the SIMIX synchro. It can raise a HostFailureException if the
* host crashed. The default SIMIX name of the synchro is "sleep".
*
* @param duration Time duration of the sleep.