golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/unix/syscall_hurd.go (about)

     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  
     7  package unix
     8  
     9  /*
    10  #include <stdint.h>
    11  int ioctl(int, unsigned long int, uintptr_t);
    12  */
    13  import "C"
    14  
    15  func ioctl(fd int, req uint, arg uintptr) (err error) {
    16  	r0, er := C.ioctl(C.int(fd), C.ulong(req), C.uintptr_t(arg))
    17  	if r0 == -1 && er != nil {
    18  		err = er
    19  	}
    20  	return
    21  }
    22  
    23  func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) {
    24  	r0, er := C.ioctl(C.int(fd), C.ulong(req), C.uintptr_t(uintptr(arg)))
    25  	if r0 == -1 && er != nil {
    26  		err = er
    27  	}
    28  	return
    29  }