vmState_ = SURF_VM_STATE_RUNNING;
}
-void VirtualMachineImpl::save()
+/**
+ * @brief Function to save a VM.
+ * This function is the same as vm_suspend, but the state of the VM is saved to the disk, and not preserved in memory.
+ * We can later restore it again.
+ *
+ * @param vm the vm host to save (a sg_host_t)
+ */
+void VirtualMachineImpl::save(smx_actor_t issuer)
{
+ if (isMigrating)
+ THROWF(vm_error, 0, "Cannot save VM %s: it is migrating.", piface_->cname());
+
+ if (getState() != SURF_VM_STATE_RUNNING)
+ THROWF(vm_error, 0, "Cannot save VM %s: it is not running.", piface_->cname());
+
+ xbt_swag_t process_list = piface_->extension<simgrid::simix::Host>()->process_list;
+
+ XBT_DEBUG("Save VM %s, where %d processes exist", piface_->cname(), xbt_swag_size(process_list));
+
vmState_ = SURF_VM_STATE_SAVING;
action_->suspend();
vmState_ = SURF_VM_STATE_SAVED;
+
+ smx_actor_t smx_process, smx_process_safe;
+ xbt_swag_foreach_safe(smx_process, smx_process_safe, process_list) {
+ XBT_DEBUG("suspend %s", smx_process->cname());
+ SIMIX_process_suspend(smx_process, issuer);
+ }
}
void VirtualMachineImpl::restore()
