diff options
Diffstat (limited to 'external/db_drivers/liblmdb64/lmdb.h')
| -rw-r--r-- | external/db_drivers/liblmdb64/lmdb.h | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/external/db_drivers/liblmdb64/lmdb.h b/external/db_drivers/liblmdb64/lmdb.h index ebfbc5dc8..117f16ea3 100644 --- a/external/db_drivers/liblmdb64/lmdb.h +++ b/external/db_drivers/liblmdb64/lmdb.h @@ -49,15 +49,11 @@ * stale locks can block further operation. * * Fix: Check for stale readers periodically, using the - * #mdb_reader_check function or the \ref mdb_stat_1 "mdb_stat" tool. - * Stale writers will be cleared automatically on most systems: - * - Windows - automatic - * - BSD, systems using SysV semaphores - automatic - * - Linux, systems using POSIX mutexes with Robust option - automatic - * Otherwise just make all programs using the database close it; - * the lockfile is always reset on first open of the environment. + * #mdb_reader_check function or the \ref mdb_stat_1 "mdb_stat" tool. Or just + * make all programs using the database close it; the lockfile + * is always reset on first open of the environment. * - * - On BSD systems or others configured with MDB_USE_SYSV_SEM, + * - On BSD systems or others configured with MDB_USE_POSIX_SEM, * startup can fail due to semaphores owned by another userid. * * Fix: Open and close the database as the user which owns the @@ -110,9 +106,6 @@ * for stale readers is performed or the lockfile is reset, * since the process may not remove it from the lockfile. * - * This does not apply to write transactions if the system clears - * stale writers, see above. - * * - If you do that anyway, do a periodic check for stale readers. Or * close the environment once in a while, so the lockfile can get reset. * @@ -126,7 +119,7 @@ * * @author Howard Chu, Symas Corporation. * - * @copyright Copyright 2011-2014 Howard Chu, Symas Corp. All rights reserved. + * @copyright Copyright 2011-2015 Howard Chu, Symas Corp. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP @@ -398,7 +391,7 @@ typedef enum MDB_cursor_op { #define MDB_PAGE_NOTFOUND (-30797) /** Located page was wrong type */ #define MDB_CORRUPTED (-30796) - /** Update of meta page failed or environment had fatal error */ + /** Update of meta page failed, probably I/O error */ #define MDB_PANIC (-30795) /** Environment version mismatch */ #define MDB_VERSION_MISMATCH (-30794) @@ -736,7 +729,6 @@ void mdb_env_close(MDB_env *env); * This may be used to set some flags in addition to those from * #mdb_env_open(), or to unset these flags. If several threads * change the flags at the same time, the result is undefined. - * Most flags cannot be changed after #mdb_env_open(). * @param[in] env An environment handle returned by #mdb_env_create() * @param[in] flags The flags to change, bitwise OR'ed together * @param[in] onoff A non-zero value sets the flags, zero clears them. @@ -954,17 +946,6 @@ int mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn ** */ MDB_env *mdb_txn_env(MDB_txn *txn); - /** @brief Return the transaction's ID. - * - * This returns the identifier associated with this transaction. For a - * read-only transaction, this corresponds to the snapshot being read; - * concurrent readers will frequently have the same transaction ID. - * - * @param[in] txn A transaction handle returned by #mdb_txn_begin() - * @return A transaction ID, valid if input is an active transaction. - */ -size_t mdb_txn_id(MDB_txn *txn); - /** @brief Commit all the operations of a transaction into the database. * * The transaction handle is freed. It and its cursors must not be used |