Function GetErrno

internal/linux/error.go:12–29

GetErrno checks if the Go error is a kernel errno.

(err error)

// GetErrno checks if the Go error is a kernel errno.
func GetErrno(err error) (iserrno bool, errno error) {
	var sysErr *os.SyscallError
	if errors.As(err, &sysErr) {
		return true, sysErr.Err
	}

	var pathErr *os.PathError
	if errors.As(err, &pathErr) {
		return true, pathErr.Err
	}

	var tmpErrno unix.Errno
	if errors.As(err, &tmpErrno) {
		return true, tmpErrno
	}

	return false, nil
}

// ExitStatus extracts the exit status from the error returned by exec.Cmd.
// If a nil err is provided then an exit status of 0 is returned along with the nil error.