docker/pkg/system/mknod.go

21 строка
634 B
Go

// +build !windows
package system
import (
"syscall"
)
// Mknod creates a filesystem node (file, device special file or named pipe) named path
// with attributes specified by mode and dev
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))
}