Add initial version of renumber backend

Renumber is a way of renumbering container locks after the number
of locks available has changed.

For now, renumber only works with containers.

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

1 files changed, 5 insertions, 0 deletions

diff --git a/libpod/lock/shm_lock_manager_unsupported.go b/libpod/lock/shm_lock_manager_unsupported.go
index cbdb2f7bc..1d6e3fcbd 100644
--- a/libpod/lock/shm_lock_manager_unsupported.go
+++ b/libpod/lock/shm_lock_manager_unsupported.go
@@ -27,3 +27,8 @@ func (m *SHMLockManager) AllocateLock() (Locker, error) {
 func (m *SHMLockManager) RetrieveLock(id string) (Locker, error) {
 	return nil, fmt.Errorf("not supported")
 }
+
+// FreeAllLocks is not supported on this platform
+func (m *SHMLockManager) FreeAllLocks() error {
+	return fmt.Errorf("not supported")
+}