package system import ( "fmt" "runtime" "syscall" ) // Via http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7b21fddd087678a70ad64afc0f632e0f1071b092 // // We need different setns values for the different platforms and arch // We are declaring the macro here because the SETNS syscall does not exist in th stdlib var setNsMap = map[string]uintptr{ "linux/amd64": 308, } func Setns(fd uintptr, flags uintptr) error { ns, exists := setNsMap[fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)] if !exists { return ErrNotSupportedPlatform } _, _, err := syscall.RawSyscall(ns, fd, flags, 0) if err != 0 { return err } return nil }