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| 134 | |
134 | |
| 135 | =head2 BERKELEYDB FUNCTIONS |
135 | =head2 BERKELEYDB FUNCTIONS |
| 136 | |
136 | |
| 137 | All of these are functions. The create functions simply return a new |
137 | 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 |
138 | object and never block. All the remaining functions all take an optional |
| 139 | callback as last argument that gets passed the return value. If it is |
139 | callback as last argument. If it is missing, then the function will be |
| 140 | missing, then the function will be executed synchronously, and the return |
140 | executed synchronously. In both cases, C<$!> will reflect the return value |
| 141 | value is returned as normally. |
141 | of the function. |
| 142 | |
142 | |
| 143 | BDB functions that cannot block (mostly functions that manipulate |
143 | BDB functions that cannot block (mostly functions that manipulate |
| 144 | settings) are method calls on the relevant objects, so the rule of thumb |
144 | settings) are method calls on the relevant objects, so the rule of thumb |
| 145 | is: if its a method, its not blocking, if its a function, it takes a |
145 | is: if its a method, its not blocking, if its a function, it takes a |
| 146 | callback as last argument. |
146 | callback as last argument. |
