Crate shm_snapshot

Interact with a memory-mapped file in the systemd File Descriptor store, for snapshot-restore of some state.

Structs

• ConfigureFile
  Describes the layout of a shared memory in a Writer.
• File
  A read view of a file.
• FileDiscovery
  A view onto a memory-mapped file, which has a configured layout.
• PreparedTransaction
  An unfinished entry in a writer’s ring, which can be atomically committed.
• Snapshot
  The descriptor of a singular snapshot.
• SnapshotIndex
  The index of a snapshot in a file wrapped with a Writer.
• Writer
  A memory-mapped file into which this writer adds new snapshot.
• WriterCommitError
  An error, trying to commit a snapshot with Writer::commit.

Traits

• RetainSnapshot
  A value that can decide whether a snapshot should be considered valid.