Function containerInit

libcontainer/init_linux.go:241–269

(t initType, config *initConfig, pipe *syncSocket, consoleSocket, pidfdSocket, fifoFile, logPipe *os.File)

}

func containerInit(t initType, config *initConfig, pipe *syncSocket, consoleSocket, pidfdSocket, fifoFile, logPipe *os.File) error {
	// Clean the RLIMIT_NOFILE cache in go runtime.
	// Issue: https://github.com/opencontainers/runc/issues/4195
	maybeClearRlimitNofileCache(config.Rlimits)

	switch t {
	case initSetns:
		i := &linuxSetnsInit{
			pipe:          pipe,
			consoleSocket: consoleSocket,
			pidfdSocket:   pidfdSocket,
			config:        config,
			logPipe:       logPipe,
		}
		return i.Init()
	case initStandard:
		i := &linuxStandardInit{
			pipe:          pipe,
			consoleSocket: consoleSocket,
			pidfdSocket:   pidfdSocket,
			parentPid:     unix.Getppid(),
			config:        config,
			fifoFile:      fifoFile,
			logPipe:       logPipe,
		}
		return i.Init()
	}
	return fmt.Errorf("unknown init type %q", t)
}

// verifyCwd ensures that the current directory is actually inside the mount
// namespace root of the current process.