dev_aix_ppc.go

     1  // Copyright 2018 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 aix && ppc
     6  // +build aix,ppc
     7  
     8  // Functions to access/create device major and minor numbers matching the
     9  // encoding used by AIX.
    10  
    11  package unix
    12  
    13  // Major returns the major component of a Linux device number.
    14  func Major(dev uint64) uint32 {
    15  	return uint32((dev >> 16) & 0xffff)
    16  }
    17  
    18  // Minor returns the minor component of a Linux device number.
    19  func Minor(dev uint64) uint32 {
    20  	return uint32(dev & 0xffff)
    21  }
    22  
    23  // Mkdev returns a Linux device number generated from the given major and minor
    24  // components.
    25  func Mkdev(major, minor uint32) uint64 {
    26  	return uint64(((major) << 16) | (minor))
    27  }
    28
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