1 /* Copyright (c) 2007-2015. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/s4u/VirtualMachine.hpp"
8 #include "smx_private.h"
9 #include "src/plugins/vm/VirtualMachineImpl.hpp"
10 #include "src/plugins/vm/VmHostExt.hpp"
11 #include "src/surf/HostImpl.hpp"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_vm, simix, "Logging specific to SIMIX Virtual Machines");
16 * @brief Function to shutdown a SIMIX VM host. This function powers off the
17 * VM. All the processes on this VM will be killed. But, the state of the VM is
18 * preserved on memory. We can later start it again.
20 * @param vm the VM to shutdown (a sg_host_t)
22 void SIMIX_vm_shutdown(sg_host_t vm, smx_actor_t issuer)
24 if (static_cast<simgrid::s4u::VirtualMachine*>(vm)->pimpl_vm_->getState() != SURF_VM_STATE_RUNNING)
25 THROWF(vm_error, 0, "VM(%s) is not running", vm->cname());
27 XBT_DEBUG("shutdown VM %s, that contains %d processes", vm->cname(), xbt_swag_size(sg_host_simix(vm)->process_list));
29 smx_actor_t smx_process, smx_process_safe;
30 xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(vm)->process_list) {
31 XBT_DEBUG("kill %s", smx_process->name.c_str());
32 SIMIX_process_kill(smx_process, issuer);
35 /* FIXME: we may have to do something at the surf layer, e.g., vcpu action */
36 static_cast<simgrid::s4u::VirtualMachine*>(vm)->pimpl_vm_->setState(SURF_VM_STATE_CREATED);
39 void simcall_HANDLER_vm_shutdown(smx_simcall_t simcall, sg_host_t vm)
41 SIMIX_vm_shutdown(vm, simcall->issuer);