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16*91df013fSAsim Jamshed<title>mtcp_getsockname</title>
17*91df013fSAsim Jamshed
18*91df013fSAsim Jamshed</head>
19*91df013fSAsim Jamshed<body>
20*91df013fSAsim Jamshed
21*91df013fSAsim Jamshed<h1 align="center">mtcp_getsockname</h1>
22*91df013fSAsim Jamshed
23*91df013fSAsim Jamshed<a href="#NAME">NAME</a><br>
24*91df013fSAsim Jamshed<a href="#SYNOPSIS">SYNOPSIS</a><br>
25*91df013fSAsim Jamshed<a href="#DESCRIPTION">DESCRIPTION</a><br>
26*91df013fSAsim Jamshed<a href="#RETURN VALUE">RETURN VALUE</a><br>
27*91df013fSAsim Jamshed<a href="#ERRORS">ERRORS</a><br>
28*91df013fSAsim Jamshed<a href="#NOTES">NOTES</a><br>
29*91df013fSAsim Jamshed<a href="#AUTHORS">AUTHORS</a><br>
30*91df013fSAsim Jamshed<a href="#SEE ALSO">SEE ALSO</a><br>
31*91df013fSAsim Jamshed<a href="#COLOPHON">COLOPHON</a><br>
32*91df013fSAsim Jamshed
33*91df013fSAsim Jamshed<hr>
34*91df013fSAsim Jamshed
35*91df013fSAsim Jamshed
36*91df013fSAsim Jamshed<h2>NAME
37*91df013fSAsim Jamshed<a name="NAME"></a>
38*91df013fSAsim Jamshed</h2>
39*91df013fSAsim Jamshed
40*91df013fSAsim Jamshed
41*91df013fSAsim Jamshed
42*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">mtcp_getsockname
43*91df013fSAsim Jamshed&minus; get socket name</p>
44*91df013fSAsim Jamshed
45*91df013fSAsim Jamshed<h2>SYNOPSIS
46*91df013fSAsim Jamshed<a name="SYNOPSIS"></a>
47*91df013fSAsim Jamshed</h2>
48*91df013fSAsim Jamshed
49*91df013fSAsim Jamshed
50*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>#include
51*91df013fSAsim Jamshed&lt;mtcp_api.h&gt;</b></p>
52*91df013fSAsim Jamshed
53*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>int
54*91df013fSAsim Jamshedmtcp_getsockname(mctx_t</b> <i>mctx</i><b>, int</b>
55*91df013fSAsim Jamshed<i>sockfd</i><b>, struct sockaddr *</b><i>addr</i><b>,
56*91df013fSAsim Jamshedsocklen_t *</b><i>addrlen</i><b>);</b></p>
57*91df013fSAsim Jamshed
58*91df013fSAsim Jamshed<h2>DESCRIPTION
59*91df013fSAsim Jamshed<a name="DESCRIPTION"></a>
60*91df013fSAsim Jamshed</h2>
61*91df013fSAsim Jamshed
62*91df013fSAsim Jamshed
63*91df013fSAsim Jamshed
64*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>mtcp_getsockname</b>()
65*91df013fSAsim Jamshedreturns the current address to which the socket
66*91df013fSAsim Jamshed<i>sockfd</i> is bound, in the buffer pointed to by
67*91df013fSAsim Jamshed<i>addr.</i> The <i>addrlen</i> argument should be
68*91df013fSAsim Jamshedinitialized to indicate the amount of space (in bytes)
69*91df013fSAsim Jamshedpointed to by <i>addr.</i> On return it contains the actual
70*91df013fSAsim Jamshedsize of the socket address.</p>
71*91df013fSAsim Jamshed
72*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">An
73*91df013fSAsim Jamshed<b>mtcp_getsockname</b>() call takes an additional argument
74*91df013fSAsim Jamshednamed <i>mctx</i> that represents the per-core mTCP context
75*91df013fSAsim Jamshedin an application (see <b>mtcp_create_context()</b> for
76*91df013fSAsim Jamsheddetails).</p>
77*91df013fSAsim Jamshed
78*91df013fSAsim Jamshed<h2>RETURN VALUE
79*91df013fSAsim Jamshed<a name="RETURN VALUE"></a>
80*91df013fSAsim Jamshed</h2>
81*91df013fSAsim Jamshed
82*91df013fSAsim Jamshed
83*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">Returns zero on
84*91df013fSAsim Jamshedsuccess; -1 on failure. In case of failure, <i>errno</i> is
85*91df013fSAsim Jamshedset appropriately.</p>
86*91df013fSAsim Jamshed
87*91df013fSAsim Jamshed<h2>ERRORS
88*91df013fSAsim Jamshed<a name="ERRORS"></a>
89*91df013fSAsim Jamshed</h2>
90*91df013fSAsim Jamshed
91*91df013fSAsim Jamshed
92*91df013fSAsim Jamshed<table width="100%" border="0" rules="none" frame="void"
93*91df013fSAsim Jamshed       cellspacing="0" cellpadding="0">
94*91df013fSAsim Jamshed<tr valign="top" align="left">
95*91df013fSAsim Jamshed<td width="11%"></td>
96*91df013fSAsim Jamshed<td width="12%">
97*91df013fSAsim Jamshed
98*91df013fSAsim Jamshed
99*91df013fSAsim Jamshed<p style="margin-top: 1em"><b>EBADF</b></p></td>
100*91df013fSAsim Jamshed<td width="3%"></td>
101*91df013fSAsim Jamshed<td width="74%">
102*91df013fSAsim Jamshed
103*91df013fSAsim Jamshed
104*91df013fSAsim Jamshed<p style="margin-top: 1em">The argument <i>sockfd</i> is
105*91df013fSAsim Jamshednot a valid socket descriptor.</p></td></tr>
106*91df013fSAsim Jamshed<tr valign="top" align="left">
107*91df013fSAsim Jamshed<td width="11%"></td>
108*91df013fSAsim Jamshed<td width="12%">
109*91df013fSAsim Jamshed
110*91df013fSAsim Jamshed
111*91df013fSAsim Jamshed<p><b>EINVAL</b></p></td>
112*91df013fSAsim Jamshed<td width="3%"></td>
113*91df013fSAsim Jamshed<td width="74%">
114*91df013fSAsim Jamshed
115*91df013fSAsim Jamshed
116*91df013fSAsim Jamshed<p><i>addrlen</i> argument is invalid (e.g., is
117*91df013fSAsim Jamshednegative).</p> </td></tr>
118*91df013fSAsim Jamshed<tr valign="top" align="left">
119*91df013fSAsim Jamshed<td width="11%"></td>
120*91df013fSAsim Jamshed<td width="12%">
121*91df013fSAsim Jamshed
122*91df013fSAsim Jamshed
123*91df013fSAsim Jamshed<p><b>ENOTSOCK</b></p></td>
124*91df013fSAsim Jamshed<td width="3%"></td>
125*91df013fSAsim Jamshed<td width="74%">
126*91df013fSAsim Jamshed
127*91df013fSAsim Jamshed
128*91df013fSAsim Jamshed<p>The argument <i>sockfd</i> is pointing to an invalid
129*91df013fSAsim JamshedmTCP socket.</p></td></tr>
130*91df013fSAsim Jamshed</table>
131*91df013fSAsim Jamshed
132*91df013fSAsim Jamshed<h2>NOTES
133*91df013fSAsim Jamshed<a name="NOTES"></a>
134*91df013fSAsim Jamshed</h2>
135*91df013fSAsim Jamshed
136*91df013fSAsim Jamshed
137*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">The third
138*91df013fSAsim Jamshedargument of <b>mtcp_getsockname()</b> is in reality an
139*91df013fSAsim Jamshed<i>int *</i> (and this is what 4.x BSD and libc4 and libc5
140*91df013fSAsim Jamshedhave). Some POSIX confusion resulted in the present
141*91df013fSAsim Jamshed<i>socklen_t ,</i> also used by glibc.</p>
142*91df013fSAsim Jamshed
143*91df013fSAsim Jamshed<h2>AUTHORS
144*91df013fSAsim Jamshed<a name="AUTHORS"></a>
145*91df013fSAsim Jamshed</h2>
146*91df013fSAsim Jamshed
147*91df013fSAsim Jamshed
148*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">mOS development
149*91df013fSAsim Jamshedteam &lt;[email protected]&gt;</p>
150*91df013fSAsim Jamshed
151*91df013fSAsim Jamshed<h2>SEE ALSO
152*91df013fSAsim Jamshed<a name="SEE ALSO"></a>
153*91df013fSAsim Jamshed</h2>
154*91df013fSAsim Jamshed
155*91df013fSAsim Jamshed
156*91df013fSAsim Jamshed
157*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>mtcp_bind</b>(),
158*91df013fSAsim Jamshed<b>mtcp_socket</b>()</p>
159*91df013fSAsim Jamshed
160*91df013fSAsim Jamshed<h2>COLOPHON
161*91df013fSAsim Jamshed<a name="COLOPHON"></a>
162*91df013fSAsim Jamshed</h2>
163*91df013fSAsim Jamshed
164*91df013fSAsim Jamshed
165*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">This page is
166*91df013fSAsim Jamshedpart of mOS release 0.3 <i>docs</i> section. A description
167*91df013fSAsim Jamshedof the project, and information about reporting bugs, can be
168*91df013fSAsim Jamshedfound at http://mos.kaist.edu/.</p>
169*91df013fSAsim Jamshed<hr>
170*91df013fSAsim Jamshed</body>
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