diff options
Diffstat (limited to 'docs/programmer_reference/am_misc_perm.html')
| -rw-r--r-- | docs/programmer_reference/am_misc_perm.html | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/docs/programmer_reference/am_misc_perm.html b/docs/programmer_reference/am_misc_perm.html index de9c1164..f8631afc 100644 --- a/docs/programmer_reference/am_misc_perm.html +++ b/docs/programmer_reference/am_misc_perm.html @@ -14,7 +14,7 @@ <body> <div xmlns="" class="navheader"> <div class="libver"> - <p>Library Version 11.2.5.3</p> + <p>Library Version 12.1.6.1</p> </div> <table width="100%" summary="Navigation header"> <tr> @@ -22,9 +22,7 @@ </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="am_misc_struct.html">Prev</a> </td> - <th width="60%" align="center">Chapter 4. - Access Method Wrapup - </th> + <th width="60%" align="center">Chapter 4. Access Method Wrapup </th> <td width="20%" align="right"> <a accesskey="n" href="am_misc_error.html">Next</a></td> </tr> </table> @@ -38,20 +36,26 @@ </div> </div> </div> - <p>When using the non-cursor Berkeley DB calls to retrieve key/data items under -the C/C++ APIs (for example, <a href="../api_reference/C/dbget.html" class="olink">DB->get()</a>), the memory to which the -pointer stored into the <a href="../api_reference/C/dbt.html" class="olink">DBT</a> refers is only valid until the next -call to Berkeley DB using the <a href="../api_reference/C/db.html" class="olink">DB</a> handle. (This includes <span class="bold"><strong>any</strong></span> -use of the returned <a href="../api_reference/C/db.html" class="olink">DB</a> handle, including by another thread of -control within the process. For this reason, when multiple threads are -using the returned <a href="../api_reference/C/db.html" class="olink">DB</a> handle concurrently, one of the -<a href="../api_reference/C/dbt.html#dbt_DB_DBT_MALLOC" class="olink">DB_DBT_MALLOC</a>, <a href="../api_reference/C/dbt.html#dbt_DB_DBT_REALLOC" class="olink">DB_DBT_REALLOC</a> or <a href="../api_reference/C/dbt.html#dbt_DB_DBT_USERMEM" class="olink">DB_DBT_USERMEM</a> -flags must be specified with any non-cursor <a href="../api_reference/C/dbt.html" class="olink">DBT</a> used for key or -data retrieval.)</p> - <p>When using the cursor Berkeley DB calls to retrieve key/data items under the -C/C++ APIs (for example, <a href="../api_reference/C/dbcget.html" class="olink">DBC->get()</a>), the memory to which the -pointer stored into the <a href="../api_reference/C/dbt.html" class="olink">DBT</a> refers is only valid until the next -call to Berkeley DB using the <a href="../api_reference/C/dbc.html" class="olink">DBC</a> returned by <a href="../api_reference/C/dbcursor.html" class="olink">DB->cursor()</a>.</p> + <p> + When using the non-cursor Berkeley DB calls to retrieve + key/data items under the C/C++ APIs (for example, <a href="../api_reference/C/dbget.html" class="olink">DB->get()</a>), + the memory to which the pointer stored into the <a href="../api_reference/C/dbt.html" class="olink">DBT</a> refers + is only valid until the next call to Berkeley DB using the + <a href="../api_reference/C/db.html" class="olink">DB</a> handle. (This includes <span class="bold"><strong>any</strong></span> use of the returned <a href="../api_reference/C/db.html" class="olink">DB</a> handle, including + by another thread of control within the process. For this + reason, when multiple threads are using the returned <a href="../api_reference/C/db.html" class="olink">DB</a> + handle concurrently, one of the <a href="../api_reference/C/dbt.html#dbt_DB_DBT_MALLOC" class="olink">DB_DBT_MALLOC</a>, + <a href="../api_reference/C/dbt.html#dbt_DB_DBT_REALLOC" class="olink">DB_DBT_REALLOC</a> or <a href="../api_reference/C/dbt.html#dbt_DB_DBT_USERMEM" class="olink">DB_DBT_USERMEM</a> flags must be specified + with any non-cursor <a href="../api_reference/C/dbt.html" class="olink">DBT</a> used for key or data + retrieval.) + </p> + <p> + When using the cursor Berkeley DB calls to retrieve key/data + items under the C/C++ APIs (for example, <a href="../api_reference/C/dbcget.html" class="olink">DBC->get()</a>), the memory + to which the pointer stored into the <a href="../api_reference/C/dbt.html" class="olink">DBT</a> refers is only + valid until the next call to Berkeley DB using the <a href="../api_reference/C/dbc.html" class="olink">DBC</a> + returned by <a href="../api_reference/C/dbcursor.html" class="olink">DB->cursor()</a>. + </p> </div> <div class="navfooter"> <hr /> @@ -64,7 +68,8 @@ call to Berkeley DB using the <a href="../api_reference/C/dbc.html" class="olink <td width="40%" align="right"> <a accesskey="n" href="am_misc_error.html">Next</a></td> </tr> <tr> - <td width="40%" align="left" valign="top">Storing C/C++ structures/objects </td> + <td width="40%" align="left" valign="top">Storing C/C++ + structures/objects </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> |