#include <linux/acct.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
+#include <linux/reboot.h>
#define BITS_PER_PAGE (PAGE_SIZE*8)
while (nr > 0) {
rcu_read_lock();
- /*
- * Any nested-container's init processes won't ignore the
- * SEND_SIG_NOINFO signal, see send_signal()->si_fromuser().
- */
task = pid_task(find_vpid(nr), PIDTYPE_PID);
- if (task)
- send_sig_info(SIGKILL, SEND_SIG_NOINFO, task);
+ if (task && !__fatal_signal_pending(task))
+ send_sig_info(SIGKILL, SEND_SIG_FORCED, task);
rcu_read_unlock();
rc = sys_wait4(-1, NULL, __WALL, NULL);
} while (rc != -ECHILD);
+ if (pid_ns->reboot)
+ current->signal->group_exit_code = pid_ns->reboot;
+
acct_exit_ns(pid_ns);
return;
}
static struct ctl_path kern_path[] = { { .procname = "kernel", }, { } };
+int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd)
+{
+ if (pid_ns == &init_pid_ns)
+ return 0;
+
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART2:
+ case LINUX_REBOOT_CMD_RESTART:
+ pid_ns->reboot = SIGHUP;
+ break;
+
+ case LINUX_REBOOT_CMD_POWER_OFF:
+ case LINUX_REBOOT_CMD_HALT:
+ pid_ns->reboot = SIGINT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ read_lock(&tasklist_lock);
+ force_sig(SIGKILL, pid_ns->child_reaper);
+ read_unlock(&tasklist_lock);
+
+ do_exit(0);
+
+ /* Not reached */
+ return 0;
+}
+
static __init int pid_namespaces_init(void)
{
pid_ns_cachep = KMEM_CACHE(pid_namespace, SLAB_PANIC);