void cgm_clear_cgroup(const char *cg)
{
int32_t recursive = 1;
int32_t existed;
if ( cgmanager_remove_sync(NULL, cgroup_manager, ctrl_list, cg, recursive, &existed) != 0) {
NihError *nerr;
nerr = nih_error_get();
fprintf(stderr, "warning: call to remove(%s) failed: %s\n", cg, nerr->message);
nih_free(nerr);
}
}
/* Internal helper. Must be called with the cgmanager dbus socket open */
static void cgm_remove_cgroup(const char *controller, const char *path)
{
int existed;
if ( cgmanager_remove_sync(NULL, cgroup_manager, controller,
path, CG_REMOVE_RECURSIVE, &existed) != 0) {
NihError *nerr;
nerr = nih_error_get();
ERROR("call to cgmanager_remove_sync failed: %s", nerr->message);
nih_free(nerr);
ERROR("Error removing %s:%s", controller, path);
}
if (existed == -1)
INFO("cgroup removal attempt: %s:%s did not exist", controller, path);
}
static void do_function(void *arguments)
{
char path[100];
int existed;
char *value;
bool err = false;
if (!cgm_dbus_connect()) {
fprintf(stderr, "Error connecting to dbus\n");
return;
}
sprintf(path, "cgmtest-%d", gettid());
if (connect_only) {
if (cgmanager_create_sync(NULL, cgroup_manager, "freezer", path, &existed) != 0) {
NihError *nerr = nih_error_get();
fprintf(stderr, "Error creating freezer cgroup: %s\n", nerr->message);
nih_free(nerr);
err = true;
}
if (cgmanager_get_value_sync(NULL, cgroup_manager, "freezer", path, "freezer.state", &value) != 0) {
NihError *nerr = nih_error_get();
fprintf(stderr, "Error querying freezer cgroup: %s\n", nerr->message);
nih_free(nerr);
err = true;
}
if (cgmanager_remove_sync(NULL, cgroup_manager, "freezer", path, 1, &existed) != 0) {
NihError *nerr = nih_error_get();
fprintf(stderr, "Error removing freezer cgroup: %s\n", nerr->message);
nih_free(nerr);
err = true;
}
}
cgm_dbus_disconnect();
if (err) {
fflush(stderr);
exit(1);
}
}
bool cgm_remove(const char *controller, const char *cg)
{
/*
* tempting to make remove be recursive, but this is a filesystem,
* so best to opt for least surprise
*/
int32_t r = 0, e;
if (!cgm_dbus_connect()) {
return false;
}
if ( cgmanager_remove_sync(NULL, cgroup_manager, controller, cg, r, &e) != 0) {
NihError *nerr;
nerr = nih_error_get();
fprintf(stderr, "call to remove (%s:%s) failed: %s\n", controller, cg, nerr->message);
nih_free(nerr);
cgm_dbus_disconnect();
return false;
}
cgm_dbus_disconnect();
return true;
}