Method RLockFuncWithKey

zutils/shard_lock_map.go:255–260

RLockFuncWithKey executes a function with read lock on the shard containing the key. WARNING: Do not perform write operations on the container within f to avoid deadlocks.

(key string, f func(shardData map[string]interface{}))

// RLockFuncWithKey executes a function with read lock on the shard containing the key.
// WARNING: Do not perform write operations on the container within f to avoid deadlocks.
func (slm ShardLockMaps) RLockFuncWithKey(key string, f func(shardData map[string]interface{})) {
	shard := slm.GetShard(key)
	shard.RLock()
	defer shard.RUnlock()
	f(shard.items)
}

// LockFunc executes a function with write lock on all shards.
// WARNING: Do not perform operations on the container within f to avoid deadlocks.