Struct System

src/bccore/bccore.go:40–55

System manages objects and handles to those objects

// System manages objects and handles to those objects
type System struct {
	p    Params
	root volume

	// mu guards the volumes, queues, and txns.
	// pure handle operations like Drop, KeepAlive, Inspect, etc. do not require this lock.
	// mu should always be taken for a superset of the time that the handle system's lock is taken.
	mu      sync.RWMutex
	volumes map[blobcache.OID]volume
	queues  map[blobcache.OID]queue
	txns    map[blobcache.OID]transaction

	handles handleSystem
	setup   singleflight.Group[blobcache.OID, AnyObject]
	hub     hub
}

type AnyObject interface {
	Down(ctx context.Context) error