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1 | <h2>mach_ports_lookup</h2> |
2 | <hr> | |
3 | <p> | |
4 | <strong>Function</strong> - Provide caller with an array of the target task's well-known ports. | |
5 | <h3>SYNOPSIS</h3> | |
6 | <pre> | |
7 | <strong>kern_return_t mach_ports_lookup</strong> | |
8 | <strong>(task_t</strong> <var>target_task</var>, | |
9 | <strong>mach_port_array_t</strong> <var>init_port_set</var>, | |
10 | <strong>mach_msg_type_number_t</strong> <var>init_port_count</var><strong>);</strong> | |
11 | </pre> | |
12 | <h3>PARAMETERS</h3> | |
13 | <dl> | |
14 | <p> | |
15 | <dt> <var>target_task</var> | |
16 | <dd> | |
17 | [in task send right] | |
18 | The task whose currently registered ports are to be | |
19 | returned. | |
20 | <p> | |
21 | <dt> <var>init_port_set</var> | |
22 | <dd> | |
23 | [out pointer to dynamic array of registered send rights] | |
24 | The returned | |
25 | array of ports. | |
26 | <p> | |
27 | <dt> <var>init_port_count</var> | |
28 | <dd> | |
29 | [out scalar] | |
30 | The number of returned port rights. | |
31 | </dl> | |
32 | <h3>DESCRIPTION</h3> | |
33 | <p> | |
34 | The <strong>mach_ports_lookup</strong> function returns an array of | |
35 | the well-known system | |
36 | ports that are currently registered for the specified task. | |
37 | Note that the task holds | |
38 | only send rights for the ports. | |
39 | <p> | |
40 | Registered ports are those ports that are used by the run-time | |
41 | system to initialize a task. To register system ports for a task, | |
42 | use the <strong>mach_ports_register</strong> function. | |
43 | <h3>RETURN VALUES</h3> | |
44 | <p> | |
45 | Only generic errors apply. | |
46 | <h3>RELATED INFORMATION</h3> | |
47 | <p> | |
48 | Functions: | |
49 | <a href="mach_ports_register.html"><strong>mach_ports_register</strong></a>. |