minimal criu dump

main.c

#include <stdio.h>
#include <stdlib.h>
#include <criu.h>
#include <fcntl.h>

// requires setcap cap_checkpoint_restore,cap_sys_ptrace+eip /path/to/exec
int main(int argc, char** argv) {
    printf("hello criu\n");
    
    criu_init_opts();
    criu_set_log_file("dump.log");
    criu_set_log_level(4);
    criu_set_shell_job(true);
    criu_set_leave_running(true);
    
    int fd = open("/tmp/cdump", O_DIRECTORY);
    criu_set_images_dir_fd(fd);
    
    printf("pre-dump\n");
    int ret = criu_dump();
    printf("ret: %i\n", ret);
    
    printf("post-dump\n");
    
    return (EXIT_SUCCESS);
}