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1 | <h2>mach_port_status</h2> | |
2 | <hr> | |
3 | <p> | |
4 | <strong>Structure</strong> - Used to present a port's current status with respect to various important attributes. | |
5 | <h3>SYNOPSIS</h3> | |
6 | <pre> | |
7 | <strong>struct mach_port_status</strong> | |
8 | <strong>{</strong> | |
9 | <strong>mach_port_rights_t</strong> <var>mps_pset</var><strong>;</strong> | |
10 | <strong>mach_port_seqno_t</strong> <var>mps_seqno</var><strong>;</strong> | |
11 | <strong>mach_port_mscount_t</strong> <var>mps_mscount</var><strong>;</strong> | |
12 | <strong>mach_port_msgcount_t</strong> <var>mps_qlimit</var><strong>;</strong> | |
13 | <strong>mach_port_msgcount_t</strong> <var>mps_msgcount</var><strong>;</strong> | |
14 | <strong>mach_port_rights_t</strong> <var>mps_sorights</var><strong>;</strong> | |
15 | <strong>boolean_t</strong> <var>mps_srights</var><strong>;</strong> | |
16 | <strong>boolean_t</strong> <var>mps_pdrequest</var><strong>;</strong> | |
17 | <strong>boolean_t</strong> <var>mps_nsrequest</var><strong>;</strong> | |
18 | <strong>unsigned int</strong> <var>mps_flags</var><strong>;</strong> | |
19 | <strong>};</strong> | |
20 | ||
21 | <strong>typedef struct mach_port_status mach_port_status_t;</strong> | |
22 | </pre> | |
23 | <h3>FIELDS</h3> | |
24 | <dl> | |
25 | <dt> <var>mps_pset</var> | |
26 | <dd> | |
27 | Count of containing psets. | |
28 | <p> | |
29 | <dt> <var>mps_seqno</var> | |
30 | <dd> | |
31 | Current sequence number for the port. | |
32 | <p> | |
33 | <dt> <var>mps_mscount</var> | |
34 | <dd> | |
35 | Make-send count. | |
36 | <p> | |
37 | <dt> <var>mps_msgcount</var> | |
38 | <dd> | |
39 | Upper limit for the number of messages that may be queued to the port | |
40 | before the system blocks send operations. | |
41 | <p> | |
42 | <dt> <var>mps_msgcount</var> | |
43 | <dd> | |
44 | Number of messages currently queued on the port. | |
45 | <p> | |
46 | <dt> <var>mps_sorights</var> | |
47 | <dd> | |
48 | How many send-once rights. | |
49 | <p> | |
50 | <dt> <var>mps_srights</var> | |
51 | <dd> | |
52 | Specifies whether or not send rights exist for the port (in this or any other task). | |
53 | <p> | |
54 | <dt> <var>mps_pdrequest</var> | |
55 | <dd> | |
56 | Specifies whether or not a port-deleted notification has been requested. | |
57 | <p> | |
58 | <dt> <var>mps_nsrequest</var> | |
59 | <dd> | |
60 | True if no-senders notification requested. | |
61 | <p> | |
62 | <dt> <var>mps_flags</var> | |
63 | <dd> | |
64 | Flags associated with the port. | |
65 | </dl> | |
66 | <h3>DESCRIPTION</h3> | |
67 | <p> | |
68 | The <strong>mach_port_status</strong> structure is used to provide | |
69 | information about a port in response to an invocation of the | |
70 | <strong>mach_port_get_attributes</strong> interface. | |
71 | <h3>RELATED INFORMATION</h3> | |
72 | <p> | |
73 | Functions: | |
74 | <a href="mach_port_get_attributes.html"><strong>mach_port_get_attributes</strong></a>. |