Dump in BDB-compatible format */

Calculate the size of a branch node. * The size should depend on the environment's page size but since * we currently don't support spilling large k

Touch all the pages in the cursor stack. Set mc_top. * Makes sure all the pages are writable, before attempting a write operation. * @param[in] mc T

Add all the DB's pages to the free list. * @param[in] mc Cursor on the DB to free. * @param[in] subs non-Zero to check for sub-DBs in this DB. * @r

When #MDB_ENV_ACTIVE: Clear #mdb_env_open()ed resources, release readers */

Write the environment parameters of a freshly created DB environment. * @param[in] env the environment handle * @param[in] meta the #MDB_meta to wri

Fill in most of the zeroed #MDB_meta for an empty database environment */

Open and/or initialize the lock region for the environment. * @param[in] env The LMDB environment. * @param[in] fname Filename + scratch area, from

Downgrade the exclusive lock on the region back to shared */

Update the environment info to commit a transaction. * @param[in] txn the transaction that's being committed * @return 0 on success, non-zero on fai

Find oldest txnid still referenced. Expects txn->mt_txnid > 0. */

Set up filename + scratch area for filename suffix, for opening files. * It should be freed with #mdb_fname_destroy(). * On Windows, paths are conve

perform a 64 bit Fowler/Noll/Vo FNV-1a hash on a buffer * @param[in] val value to hash * @param[in] len length of value * @return 64 bit hash */

Calculate the size of a leaf node. * The size depends on the environment's page size; if a data item * is too large it will be put onto an overflow

@brief Map a result from an NTAPI call to WIN32. */

Flush (some) dirty pages to the map, after clearing their dirty flag. * @param[in] txn the transaction that's being committed * @param[in] keep numb

Merge one page into another. * The nodes from the page pointed to by \b csrc will * be copied to the page pointed to by \b cdst and then * the \b

Spill pages from the dirty list back to disk. * This is intended to prevent running into #MDB_TXN_FULL situations, * but note that they may still oc

Split a page and insert a new node. * Set #MDB_TXN_ERROR on failure. * @param[in,out] mc Cursor pointing to the page and desired insertion index. *

Bring back a page which this txn spilled to disk; make it writable again. * @param[in] txn the transaction handle. * @param[in] mp the spilled page.

Set or clear P_KEEP in dirty, non-overflow, non-sub pages watched by txn. * @param[in] mc A cursor handle for the current operation. * @param[in] pf

As #mdb_reader_check(). \b rlocked is set if caller locked #me_rmutex. */

Rebalance the tree after a delete operation. * @param[in] mc Cursor pointing to the page where rebalancing * should begin. * @return 0 on success,

Map a read-only page. * There are two levels of tracking in use, a per-txn list and a per-env list. * ref'ing and unref'ing the per-txn list is fast

Common code for #mdb_stat() and #mdb_env_stat(). * @param[in] env the environment to operate in. * @param[in] db the #MDB_db record containing the s

Count all the pages in each DB and in the freelist * and make sure it matches the actual number of pages * being used. * All named DBs must be o

Complete a delete operation started by #mdb_cursor_del(). */

Move the cursor to the previous data item. */

Back up parent txn's cursors, then grab the originals for tracking */

Export or close DBI handles opened in this txn. */

Return all dirty pages to dpage list */

Copy environment as-is. */

Copy environment with compaction. */

Depth-first tree traversal for compacting copy. * @param[in] my control structure. * @param[in,out] pg database root. * @param[in] flags include

Add #mdb_env_open() flags from environment variable $LMDB_FLAGS. * * Supports the normal flags plus 'e' = trivial encryption for testing. */

Further setup required for opening an LMDB environment */

Read the environment parameters of a DB environment before * mapping it into memory. * @param[in] env the environment handle * @param[in] prev whet

Release a reader thread's slot in the reader lock table. * This function is called automatically when a thread exits. * @param[in] ptr This points t

Save the freelist as of this transaction to the freeDB. * This changes the freelist. Keep trying until it stabilizes. * * When (MDB_DEVEL) & 2, the

Handle #LOCK_MUTEX0() failure. * Try to repair the lock file if the mutex owner died. * @param[in] env the environment handle * @param[in] mutex LO

Move a node from csrc to cdst. */

Compact the main page after deleting a node on a subpage. * @param[in] mp The main page to operate on. * @param[in] indx The index of the subpage on

Unref ovpage \b omp in \b mc and tracked cursors */

Insert pid into list if not already present. * return -1 if already present. */

Used up all workids. Rewind it and update dirty pages to match. */

Initial setup of a sorted-dups cursor. * Sorted duplicates are implemented as a sub-database for the given key. * The duplicate data items are actua

Fixup a sorted-dups cursor due to underlying update. * Sets up some fields that depend on the data from the main cursor. * Almost the same as init1,

Convert \b src to new wchar_t[] string with room for \b xtra extra chars */