XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_vm, msg,
"Cloud-oriented parts of the MSG API");
-/** @brief Create a new (empty) VMs
+/** @brief Create a new (empty) VMs.
* @ingroup msg_VMs
*
* @bug it is expected that in the future, the coreAmount parameter will be used
return res;
}
-/** @brief Returns a newly constructed dynar containing all existing VMs in the system
+/** @brief Returns a newly constructed dynar containing all existing VMs in the system.
* @ingroup msg_VMs
*
* Don't forget to free the dynar after use.
*
* Afterward, when the VM is migrated or suspended or whatever, the process will have the corresponding handling, too.
*
- * @bug for now, if a binded process terminates, every VM functions will segfault. Baaaad.
*/
void MSG_vm_bind(msg_vm_t vm, m_process_t process) {
/* check if the process is already in a VM */
}
simdata->vm = vm;
+ XBT_DEBUG("binding Process %s to %p",MSG_process_get_name(process),vm);
+
xbt_dynar_push_as(vm->processes,m_process_t,process);
}
/** @brief Removes the given process from the given VM, and kill it
MSG_process_kill(process);
}
-/** @brief Immediately change the host on which all processes are running
+/** @brief Immediately change the host on which all processes are running.
* @ingroup msg_VMs
*
* No migration cost occurs. If you want to simulate this too, you want to use a
vm->location = destination;
}
-/** @brief Immediately suspend the execution of all processes within the given VM
+/** @brief Immediately suspend the execution of all processes within the given VM.
* @ingroup msg_VMs
*
* No suspension cost occurs. If you want to simulate this too, you want to
}
}
-/** @brief Immediately resumes the execution of all processes within the given VM
+/** @brief Immediately resumes the execution of all processes within the given VM.
* @ingroup msg_VMs
*
* No resume cost occurs. If you want to simulate this too, you want to
* No extra delay occurs. If you want to simulate this too, you want to
* use a #MSG_process_sleep() or something. I'm not quite sure.
*/
-void MSG_vm_shutdown(msg_vm_t vm) {
- unsigned int cpt;
+void MSG_vm_shutdown(msg_vm_t vm)
+{
m_process_t process;
- xbt_dynar_foreach(vm->processes,cpt,process) {
+ XBT_DEBUG("%lu processes in the VM", xbt_dynar_length(vm->processes));
+ while (xbt_dynar_length(vm->processes) > 0) {
+ process = xbt_dynar_get_as(vm->processes,0,m_process_t);
MSG_process_kill(process);
}
}
+
+/** @brief Destroy a msg_vm_t.
+ * @ingroup msg_VMs
+ */
+void MSG_vm_destroy(msg_vm_t vm) {
+ unsigned int cpt;
+ m_process_t process;
+ xbt_dynar_foreach(vm->processes,cpt,process) {
+ //FIXME: Slow ?
+ simdata_process_t simdata = simcall_process_get_data(process);
+ simdata->vm = NULL;
+ }
+ xbt_dynar_free(&vm->processes);
+ xbt_free(vm);
+}