let mut criu = rust_criu::Criu::new().expect("unable to new a criu");
match criu.get_criu_version() {
Ok(version) => info!("criu version: {}", version),
Err(e) => error!("{:#?}", e),
};
let image_dir = format!("images_{}", pid);
if Path::new(&image_dir).exists() {
warn!("image directory exists");
if let Err(e) = std::fs::remove_dir_all(&image_dir) {
error!("Failed to remove existing directory '{}': {:#?}", image_dir, e);
return Err(anyhow!("remove existing directory failed"));
}
}
if let Err(e) = std::fs::create_dir(&image_dir) {
error!("Failed to create directory '{}': {:#?}", image_dir, e);
return Err(anyhow!("create dirctory fails"));
}
let directory = std::fs::File::open(&image_dir)?;
criu.set_pid(pid); // set target pid
criu.set_images_dir_fd(directory.as_raw_fd()); // set temporary file
criu.set_log_file(format!("{}/dumppp.log", image_dir));
criu.set_log_level(4);
criu.set_leave_running(false); // set process to stop when dumping is done
// do dump
info!("dumping process {}",pid);
criu.dump().map_err(|e| anyhow!("dump fails:{:#?}",e))?;When I run this code i got an error: Error: dump fails:"CRIU RPC request failed with message: error:56".Is there any solution?
When I run this code i got an error: Error: dump fails:"CRIU RPC request failed with message: error:56".Is there any solution?