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moby--moby/pkg/system/mknod.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

22 lines
816 B
Go

// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"golang.org/x/sys/unix"
)
// 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 unix.Mknod(path, mode, dev)
}
// Mkdev is used to build the value of linux devices (in /dev/) which specifies major
// and minor number of the newly created device special file.
// 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(unix.Mkdev(uint32(major), uint32(minor)))
}