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| <title>Debugging with GDB: GDB/MI Ada Tasking Commands</title> |
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| <a name="GDB_002fMI-Ada-Tasking-Commands-1"></a> |
| <h3 class="section">27.12 <small>GDB/MI</small> Ada Tasking Commands</h3> |
| |
| <a name="The-_002dada_002dtask_002dinfo-Command"></a> |
| <h4 class="subheading">The <code>-ada-task-info</code> Command</h4> |
| <a name="index-_002dada_002dtask_002dinfo"></a> |
| |
| <a name="Synopsis-25"></a> |
| <h4 class="subsubheading">Synopsis</h4> |
| |
| <div class="smallexample"> |
| <pre class="smallexample"> -ada-task-info [ <var>task-id</var> ] |
| </pre></div> |
| |
| <p>Reports information about either a specific Ada task, if the |
| <var>task-id</var> parameter is present, or about all Ada tasks. |
| </p> |
| <a name="GDB-Command-24"></a> |
| <h4 class="subsubheading"><small>GDB</small> Command</h4> |
| |
| <p>The ‘<samp>info tasks</samp>’ command prints the same information |
| about all Ada tasks (see <a href="Ada-Tasks.html#Ada-Tasks">Ada Tasks</a>). |
| </p> |
| <a name="Result-4"></a> |
| <h4 class="subsubheading">Result</h4> |
| |
| <p>The result is a table of Ada tasks. The following columns are |
| defined for each Ada task: |
| </p> |
| <dl compact="compact"> |
| <dt>‘<samp>current</samp>’</dt> |
| <dd><p>This field exists only for the current thread. It has the value ‘<samp>*</samp>’. |
| </p> |
| </dd> |
| <dt>‘<samp>id</samp>’</dt> |
| <dd><p>The identifier that <small>GDB</small> uses to refer to the Ada task. |
| </p> |
| </dd> |
| <dt>‘<samp>task-id</samp>’</dt> |
| <dd><p>The identifier that the target uses to refer to the Ada task. |
| </p> |
| </dd> |
| <dt>‘<samp>thread-id</samp>’</dt> |
| <dd><p>The identifier of the thread corresponding to the Ada task. |
| </p> |
| <p>This field should always exist, as Ada tasks are always implemented |
| on top of a thread. But if <small>GDB</small> cannot find this corresponding |
| thread for any reason, the field is omitted. |
| </p> |
| </dd> |
| <dt>‘<samp>parent-id</samp>’</dt> |
| <dd><p>This field exists only when the task was created by another task. |
| In this case, it provides the ID of the parent task. |
| </p> |
| </dd> |
| <dt>‘<samp>priority</samp>’</dt> |
| <dd><p>The base priority of the task. |
| </p> |
| </dd> |
| <dt>‘<samp>state</samp>’</dt> |
| <dd><p>The current state of the task. For a detailed description of the |
| possible states, see <a href="Ada-Tasks.html#Ada-Tasks">Ada Tasks</a>. |
| </p> |
| </dd> |
| <dt>‘<samp>name</samp>’</dt> |
| <dd><p>The name of the task. |
| </p> |
| </dd> |
| </dl> |
| |
| <a name="Example-24"></a> |
| <h4 class="subsubheading">Example</h4> |
| |
| <div class="smallexample"> |
| <pre class="smallexample">-ada-task-info |
| ^done,tasks={nr_rows="3",nr_cols="8", |
| hdr=[{width="1",alignment="-1",col_name="current",colhdr=""}, |
| {width="3",alignment="1",col_name="id",colhdr="ID"}, |
| {width="9",alignment="1",col_name="task-id",colhdr="TID"}, |
| {width="4",alignment="1",col_name="thread-id",colhdr=""}, |
| {width="4",alignment="1",col_name="parent-id",colhdr="P-ID"}, |
| {width="3",alignment="1",col_name="priority",colhdr="Pri"}, |
| {width="22",alignment="-1",col_name="state",colhdr="State"}, |
| {width="1",alignment="2",col_name="name",colhdr="Name"}], |
| body=[{current="*",id="1",task-id=" 644010",thread-id="1",priority="48", |
| state="Child Termination Wait",name="main_task"}]} |
| (gdb) |
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