Blub

# cat umount.c
#include <stdio.h>
#include <sys/mount.h>

int main(int argc, char **argv) {
    if (argc != 2) {
        fprintf(stderr, "Dumb\n");
        return 1;
    }

Blub

1) Log into container and do:
$ while : ; do uptime; done

2) On host do:
$ while : ; do lxc-freeze -n $CT ; lxc-unfreeze -n $CT; done
(or to see stuff happening:)
$ i = 0; while : ; do let i++; echo freeze $i && lxc-freeze -n 104; echo unfreeze && lxc-unfreeze -n 104; done

--

Blub

#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>