1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/pkg/system/mknod.go
Ahmet Alp Balkan 3d2fae353f Extract mknod, umask, lstat to pkg/system
Some parts of pkg/archive is called on both client/daemon code. To get
it compiling on Windows, these funcs are extracted into files with
build tags.

Signed-off-by: Ahmet Alp Balkan <ahmetb@microsoft.com>
2014-11-14 18:20:54 -08:00

18 lines
501 B
Go

// +build !windows
package system
import (
"syscall"
)
func Mknod(path string, mode uint32, dev int) error {
return syscall.Mknod(path, mode, dev)
}
// Linux device nodes are a bit weird due to backwards compat with 16 bit device nodes.
// They are, from low to high: the lower 8 bits of the minor, then 12 bits of the major,
// then the top 12 bits of the minor
func Mkdev(major int64, minor int64) uint32 {
return uint32(((minor & 0xfff00) << 12) | ((major & 0xfff) << 8) | (minor & 0xff))
}