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Comparing BDB/BDB.pm (file contents):
Revision 1.64 by root, Mon Dec 26 01:46:33 2011 UTC vs.
Revision 1.69 by root, Tue Feb 2 04:28:06 2016 UTC

… …
110use base 'Exporter'; 110use base 'Exporter';
111 111
112our $VERSION; 112our $VERSION;
113 113
114BEGIN { 114BEGIN {
115 $VERSION = '1.9'; 115 $VERSION = '1.91';
116 116
117 our @BDB_REQ = qw( 117 our @BDB_REQ = qw(
118 db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect 118 db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect
119 db_env_memp_sync db_env_memp_trickle db_env_dbrename db_env_dbremove 119 db_env_memp_sync db_env_memp_trickle db_env_dbrename db_env_dbremove
120 db_env_log_archive 120 db_env_log_archive db_env_lsn_reset db_env_fileid_reset
121 db_open db_close db_compact db_sync db_verify db_upgrade 121 db_open db_close db_compact db_sync db_verify db_upgrade
122 db_put db_exists db_get db_pget db_del db_key_range 122 db_put db_exists db_get db_pget db_del db_key_range
123 db_txn_commit db_txn_abort db_txn_finish 123 db_txn_commit db_txn_abort db_txn_finish
124 db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del 124 db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del
125 db_sequence_open db_sequence_close 125 db_sequence_open db_sequence_close
… …
203 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0) 203 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
204 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0) 204 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
205 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0) 205 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
206 db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0) 206 db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
207 db_env_log_archive (DB_ENV *env, SV *listp, U32 flags = 0, SV *callback = 0) 207 db_env_log_archive (DB_ENV *env, SV *listp, U32 flags = 0, SV *callback = 0)
208 db_env_lsn_reset (DB_ENV *env, bdb_filename db, U32 flags = 0, SV *callback = 0)
209 db_env_fileid_reset (DB_ENV *env, bdb_filename db, U32 flags = 0, SV *callback = 0)
208 210
209 $db = db_create (DB_ENV *env = 0, U32 flags = 0) 211 $db = db_create (DB_ENV *env = 0, U32 flags = 0)
210 flags: XA_CREATE 212 flags: XA_CREATE
211 213
212 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0) 214 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
… …
771 773
772=head2 Unexpected Crashes 774=head2 Unexpected Crashes
773 775
774Remember that, by default, BDB will execute requests in parallel, in 776Remember that, by default, BDB will execute requests in parallel, in
775somewhat random order. That means that it is easy to run a C<db_get> 777somewhat random order. That means that it is easy to run a C<db_get>
776request on thesa me database as a concurrent C<db_close> request, leading 778request on the same database as a concurrent C<db_close> request, leading
777to a crash, silent data corruption, eventually the next world war on 779to a crash, silent data corruption, eventually the next world war on
778terrorism. 780terrorism.
779 781
780If you only ever use foreground requests (without a callback), this will 782If you only ever use foreground requests (without a callback), this will
781not be an issue. 783not be an issue (unless you use threads).
782 784
783=head2 Unexpected Freezes or Deadlocks 785=head2 Unexpected Freezes or Deadlocks
784 786
785Remember that, by default, BDB will execute requests in parallel, which 787Remember that, by default, BDB will execute requests in parallel, which
786easily leads to deadlocks (even concurrent put's on the same database can 788easily leads to deadlocks (even concurrent put's on the same database can

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