int qemuConnectCgroup(virQEMUDriverPtr driver, virDomainObjPtr vm) { virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); qemuDomainObjPrivatePtr priv = vm->privateData; int ret = -1; if (!virQEMUDriverIsPrivileged(driver)) goto done; if (!virCgroupAvailable()) goto done; virCgroupFree(&priv->cgroup); if (virCgroupNewDetectMachine(vm->def->name, "qemu", vm->pid, cfg->cgroupControllers, &priv->cgroup) < 0) goto cleanup; qemuRestoreCgroupState(vm); done: ret = 0; cleanup: virObjectUnref(cfg); return ret; }
static int qemuInitCgroup(virDomainObjPtr vm, size_t nnicindexes, int *nicindexes) { int ret = -1; qemuDomainObjPrivatePtr priv = vm->privateData; virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(priv->driver); if (!virQEMUDriverIsPrivileged(priv->driver)) goto done; if (!virCgroupAvailable()) goto done; virCgroupFree(&priv->cgroup); if (!vm->def->resource) { virDomainResourceDefPtr res; if (VIR_ALLOC(res) < 0) goto cleanup; if (VIR_STRDUP(res->partition, "/machine") < 0) { VIR_FREE(res); goto cleanup; } vm->def->resource = res; } if (vm->def->resource->partition[0] != '/') { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Resource partition '%s' must start with '/'"), vm->def->resource->partition); goto cleanup; } if (virCgroupNewMachine(priv->machineName, "qemu", vm->def->uuid, NULL, vm->pid, false, nnicindexes, nicindexes, vm->def->resource->partition, cfg->cgroupControllers, &priv->cgroup) < 0) { if (virCgroupNewIgnoreError()) goto done; goto cleanup; } done: ret = 0; cleanup: virObjectUnref(cfg); return ret; }