+
+/* **************************** Public C interface *************************** */
+
+/** @brief Create a new VM object with the default parameters
+ * A VM is treated as a host. The name of the VM must be unique among all hosts.
+ */
+sg_vm_t sg_vm_create_core(sg_host_t pm, const char* name)
+{
+ return sg_vm_create_multicore(pm, name, 1);
+}
+/** @brief Create a new VM object with the default parameters, but with a specified amount of cores
+ * A VM is treated as a host. The name of the VM must be unique among all hosts.
+ */
+sg_vm_t sg_vm_create_multicore(sg_host_t pm, const char* name, int coreAmount)
+{
+ return new simgrid::s4u::VirtualMachine(name, pm, coreAmount);
+}
+
+const char* sg_vm_get_name(sg_vm_t vm)
+{
+ return vm->get_cname();
+}
+
+/** @brief Get the physical host of a given VM. */
+sg_host_t sg_vm_get_pm(sg_vm_t vm)
+{
+ return vm->get_pm();
+}
+
+void sg_vm_set_ramsize(sg_vm_t vm, size_t size)
+{
+ vm->set_ramsize(size);
+}
+
+size_t sg_vm_get_ramsize(sg_vm_t vm)
+{
+ return vm->get_ramsize();
+}
+
+void sg_vm_set_bound(sg_vm_t vm, double bound)
+{
+ vm->set_bound(bound);
+}
+
+/** @brief Returns whether the given VM has just created, not running. */
+int sg_vm_is_created(sg_vm_t vm)
+{
+ return vm->get_state() == simgrid::s4u::VirtualMachine::state::CREATED;
+}
+
+/** @brief Returns whether the given VM is currently running */
+int sg_vm_is_running(sg_vm_t vm)
+{
+ return vm->get_state() == simgrid::s4u::VirtualMachine::state::RUNNING;
+}
+
+/** @brief Returns whether the given VM is currently suspended, not running. */
+int sg_vm_is_suspended(sg_vm_t vm)
+{
+ return vm->get_state() == simgrid::s4u::VirtualMachine::state::SUSPENDED;
+}
+
+/** @brief Start a vm (i.e., boot the guest operating system)
+ * If the VM cannot be started (because of memory over-provisioning), an exception is generated.
+ */
+void sg_vm_start(sg_vm_t vm)
+{
+ vm->start();
+}
+
+/** @brief Immediately suspend the execution of all processes within the given VM.
+ *
+ * This function stops the execution of the VM. All the processes on this VM
+ * will pause. The state of the VM is preserved. We can later resume it again.
+ *
+ * No suspension cost occurs.
+ */
+void sg_vm_suspend(sg_vm_t vm)
+{
+ vm->suspend();
+}
+
+/** @brief Resume the execution of the VM. All processes on the VM run again.
+ * No resume cost occurs.
+ */
+void sg_vm_resume(sg_vm_t vm)
+{
+ vm->resume();
+}
+
+/** @brief Immediately kills all processes within the given VM.
+ * Any memory that they allocated will be leaked, unless you used #MSG_process_on_exit().
+ *
+ * No extra delay occurs. If you want to simulate this too, you want to use a #MSG_process_sleep().
+ */
+void sg_vm_shutdown(sg_vm_t vm)
+{
+ vm->shutdown();
+}
+
+/** @brief Destroy a VM. Destroy the VM object from the simulation. */
+void sg_vm_destroy(sg_vm_t vm)
+{
+ vm->destroy();
+}