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Comparing BDB/BDB.pm (file contents):
Revision 1.19 by root, Wed Dec 5 13:01:46 2007 UTC vs.
Revision 1.25 by root, Mon Dec 10 21:19:06 2007 UTC

107use strict 'vars'; 107use strict 'vars';
108 108
109use base 'Exporter'; 109use base 'Exporter';
110 110
111BEGIN { 111BEGIN {
112 our $VERSION = '1.2'; 112 our $VERSION = '1.3';
113 113
114 our @BDB_REQ = qw( 114 our @BDB_REQ = qw(
115 db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect 115 db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect
116 db_env_memp_sync db_env_memp_trickle 116 db_env_memp_sync db_env_memp_trickle
117 db_open db_close db_compact db_sync db_put db_get db_pget db_del db_key_range 117 db_open db_close db_compact db_sync db_upgrade
118 db_put db_get db_pget db_del db_key_range
118 db_txn_commit db_txn_abort db_txn_finish 119 db_txn_commit db_txn_abort db_txn_finish
119 db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del 120 db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del
120 db_sequence_open db_sequence_close 121 db_sequence_open db_sequence_close
121 db_sequence_get db_sequence_remove 122 db_sequence_get db_sequence_remove
122 ); 123 );
134 135
135=head2 BERKELEYDB FUNCTIONS 136=head2 BERKELEYDB FUNCTIONS
136 137
137All of these are functions. The create functions simply return a new 138All of these are functions. The create functions simply return a new
138object and never block. All the remaining functions all take an optional 139object and never block. All the remaining functions all take an optional
139callback as last argument. If it is missing, then the fucntion will be 140callback as last argument. If it is missing, then the function will be
140executed synchronously. 141executed synchronously. In both cases, C<$!> will reflect the return value
142of the function.
141 143
142BDB functions that cannot block (mostly functions that manipulate 144BDB functions that cannot block (mostly functions that manipulate
143settings) are method calls on the relevant objects, so the rule of thumb 145settings) are method calls on the relevant objects, so the rule of thumb
144is: if its a method, its not blocking, if its a function, it takes a 146is: if its a method, its not blocking, if its a function, it takes a
145callback as last argument. 147callback as last argument.
180 182
181 db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) 183 db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
182 flags: AUTO_COMMIT CREATE EXCL MULTIVERSION NOMMAP RDONLY READ_UNCOMMITTED THREAD TRUNCATE 184 flags: AUTO_COMMIT CREATE EXCL MULTIVERSION NOMMAP RDONLY READ_UNCOMMITTED THREAD TRUNCATE
183 db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) 185 db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
184 flags: DB_NOSYNC 186 flags: DB_NOSYNC
187 db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
185 db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef) 188 db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)
186 flags: FREELIST_ONLY FREE_SPACE 189 flags: FREELIST_ONLY FREE_SPACE
187 db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) 190 db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
188 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) 191 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
189 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 192 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
277 $int = $env->set_lk_max_lockers (U32 max) 280 $int = $env->set_lk_max_lockers (U32 max)
278 $int = $env->set_lk_max_locks (U32 max) 281 $int = $env->set_lk_max_locks (U32 max)
279 $int = $env->set_lk_max_objects (U32 max) 282 $int = $env->set_lk_max_objects (U32 max)
280 $int = $env->set_lg_bsize (U32 max) 283 $int = $env->set_lg_bsize (U32 max)
281 $int = $env->set_lg_max (U32 max) 284 $int = $env->set_lg_max (U32 max)
285 $int = $env->mutex_set_increment (U32 increment)
286 $int = $env->mutex_set_tas_spins (U32 tas_spins)
287 $int = $env->mutex_set_max (U32 max)
288 $int = $env->mutex_set_align (U32 align)
282 289
283 $txn = $env->txn_begin (DB_TXN_ornull *parent = 0, U32 flags = 0) 290 $txn = $env->txn_begin (DB_TXN_ornull *parent = 0, U32 flags = 0)
284 flags: READ_COMMITTED READ_UNCOMMITTED TXN_NOSYNC TXN_NOWAIT TXN_SNAPSHOT TXN_SYNC TXN_WAIT TXN_WRITE_NOSYNC 291 flags: READ_COMMITTED READ_UNCOMMITTED TXN_NOSYNC TXN_NOWAIT TXN_SNAPSHOT TXN_SYNC TXN_WAIT TXN_WRITE_NOSYNC
285 292
286=head4 Example: 293=head4 Example:
422=head2 SUPPORT FUNCTIONS 429=head2 SUPPORT FUNCTIONS
423 430
424=head3 EVENT PROCESSING AND EVENT LOOP INTEGRATION 431=head3 EVENT PROCESSING AND EVENT LOOP INTEGRATION
425 432
426=over 4 433=over 4
434
435=item $msg = BDB::strerror [$errno]
436
437Returns the string corresponding to the given errno value. If no argument
438is given, use C<$!>.
427 439
428=item $fileno = BDB::poll_fileno 440=item $fileno = BDB::poll_fileno
429 441
430Return the I<request result pipe file descriptor>. This filehandle must be 442Return the I<request result pipe file descriptor>. This filehandle must be
431polled for reading by some mechanism outside this module (e.g. Event or 443polled for reading by some mechanism outside this module (e.g. Event or

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