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107 | use strict 'vars'; |
107 | use strict 'vars'; |
108 | |
108 | |
109 | use base 'Exporter'; |
109 | use base 'Exporter'; |
110 | |
110 | |
111 | BEGIN { |
111 | BEGIN { |
112 | our $VERSION = '1.2'; |
112 | our $VERSION = '1.3'; |
113 | |
113 | |
114 | our @BDB_REQ = qw( |
114 | our @BDB_REQ = qw( |
115 | db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect |
115 | db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect |
116 | db_env_memp_sync db_env_memp_trickle |
116 | db_env_memp_sync db_env_memp_trickle |
117 | db_open db_close db_compact db_sync db_put db_get db_pget db_del db_key_range |
117 | db_open db_close db_compact db_sync db_upgrade |
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118 | db_put db_get db_pget db_del db_key_range |
118 | db_txn_commit db_txn_abort db_txn_finish |
119 | db_txn_commit db_txn_abort db_txn_finish |
119 | db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del |
120 | db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del |
120 | db_sequence_open db_sequence_close |
121 | db_sequence_open db_sequence_close |
121 | db_sequence_get db_sequence_remove |
122 | db_sequence_get db_sequence_remove |
122 | ); |
123 | ); |
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134 | |
135 | |
135 | =head2 BERKELEYDB FUNCTIONS |
136 | =head2 BERKELEYDB FUNCTIONS |
136 | |
137 | |
137 | All of these are functions. The create functions simply return a new |
138 | All of these are functions. The create functions simply return a new |
138 | object and never block. All the remaining functions all take an optional |
139 | object and never block. All the remaining functions all take an optional |
139 | callback as last argument. If it is missing, then the fucntion will be |
140 | callback as last argument. If it is missing, then the function will be |
140 | executed synchronously. |
141 | executed synchronously. In both cases, C<$!> will reflect the return value |
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142 | of the function. |
141 | |
143 | |
142 | BDB functions that cannot block (mostly functions that manipulate |
144 | BDB functions that cannot block (mostly functions that manipulate |
143 | settings) are method calls on the relevant objects, so the rule of thumb |
145 | settings) are method calls on the relevant objects, so the rule of thumb |
144 | is: if its a method, its not blocking, if its a function, it takes a |
146 | is: if its a method, its not blocking, if its a function, it takes a |
145 | callback as last argument. |
147 | callback as last argument. |
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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 |
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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) |
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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) |
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285 | $int = $env->mutex_set_increment (U32 increment) |
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286 | $int = $env->mutex_set_tas_spins (U32 tas_spins) |
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287 | $int = $env->mutex_set_max (U32 max) |
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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: |
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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 |
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434 | |
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435 | =item $msg = BDB::strerror [$errno] |
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436 | |
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437 | Returns the string corresponding to the given errno value. If no argument |
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438 | is given, use C<$!>. |
427 | |
439 | |
428 | =item $fileno = BDB::poll_fileno |
440 | =item $fileno = BDB::poll_fileno |
429 | |
441 | |
430 | Return the I<request result pipe file descriptor>. This filehandle must be |
442 | Return the I<request result pipe file descriptor>. This filehandle must be |
431 | polled for reading by some mechanism outside this module (e.g. Event or |
443 | polled for reading by some mechanism outside this module (e.g. Event or |