1 // Copyright 2022 The Go Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style

     3 // license that can be found in the LICENSE file.

     4 

     5 //go:build hurd

     6 // +build hurd

     7 

     8 package unix

     9 

    10 /*

    11 #include <stdint.h>

    12 int ioctl(int, unsigned long int, uintptr_t);

    13 */

    14 import "C"

    15 

    16 func ioctl(fd int, req uint, arg uintptr) (err error) {

    17 	r0, er := C.ioctl(C.int(fd), C.ulong(req), C.uintptr_t(arg))

    18 	if r0 == -1 && er != nil {

    19 		err = er

    20 	}

    21 	return

    22 }