Mount the specified options at the target path reguardless if the target is mounted or not Options must be specified as fstab style.

Unmount the target reguardless if it is mounted or not.

Mount the specified options at the target path only if the target is not mounted Options must be specified as fstab style.

Looks at /proc/self/mountinfo to determine of the specified mountpoint has been mounted.

PidMountInfo collects the mounts for a specific Pid.

Unmount the target only if it is mounted.