3c0c5ed4e0
godep restore pushd $GOPATH/src/github.com/appc/spec git co master popd go get go4.org/errorutil rm -rf Godeps godep save ./... git add vendor git add -f $(git ls-files --other vendor/) git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
37 lines
867 B
Go
37 lines
867 B
Go
package procfs
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
)
|
|
|
|
// FS represents the pseudo-filesystem proc, which provides an interface to
|
|
// kernel data structures.
|
|
type FS string
|
|
|
|
// DefaultMountPoint is the common mount point of the proc filesystem.
|
|
const DefaultMountPoint = "/proc"
|
|
|
|
// NewFS returns a new FS mounted under the given mountPoint. It will error
|
|
// if the mount point can't be read.
|
|
func NewFS(mountPoint string) (FS, error) {
|
|
info, err := os.Stat(mountPoint)
|
|
if err != nil {
|
|
return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
|
|
}
|
|
if !info.IsDir() {
|
|
return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
|
|
}
|
|
|
|
return FS(mountPoint), nil
|
|
}
|
|
|
|
func (fs FS) stat(p string) (os.FileInfo, error) {
|
|
return os.Stat(path.Join(string(fs), p))
|
|
}
|
|
|
|
func (fs FS) open(p string) (*os.File, error) {
|
|
return os.Open(path.Join(string(fs), p))
|
|
}
|