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16*91df013fSAsim Jamshed<title>mtcp_bind</title>
17*91df013fSAsim Jamshed
18*91df013fSAsim Jamshed</head>
19*91df013fSAsim Jamshed<body>
20*91df013fSAsim Jamshed
21*91df013fSAsim Jamshed<h1 align="center">mtcp_bind</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="#AUTHORS">AUTHORS</a><br>
29*91df013fSAsim Jamshed<a href="#SEE ALSO">SEE ALSO</a><br>
30*91df013fSAsim Jamshed<a href="#COLOPHON">COLOPHON</a><br>
31*91df013fSAsim Jamshed
32*91df013fSAsim Jamshed<hr>
33*91df013fSAsim Jamshed
34*91df013fSAsim Jamshed
35*91df013fSAsim Jamshed<h2>NAME
36*91df013fSAsim Jamshed<a name="NAME"></a>
37*91df013fSAsim Jamshed</h2>
38*91df013fSAsim Jamshed
39*91df013fSAsim Jamshed
40*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">mtcp_bind
41*91df013fSAsim Jamshed&minus; bind an IP address to an mTCP socket</p>
42*91df013fSAsim Jamshed
43*91df013fSAsim Jamshed<h2>SYNOPSIS
44*91df013fSAsim Jamshed<a name="SYNOPSIS"></a>
45*91df013fSAsim Jamshed</h2>
46*91df013fSAsim Jamshed
47*91df013fSAsim Jamshed
48*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>#include
49*91df013fSAsim Jamshed&lt;mtcp_api.h&gt;</b></p>
50*91df013fSAsim Jamshed
51*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>int
52*91df013fSAsim Jamshedmtcp_bind(mctx_t</b> <i>mctx</i><b>, int</b>
53*91df013fSAsim Jamshed<i>sockid</i><b>, const struct sockaddr *</b><i>addr</i><b>,
54*91df013fSAsim Jamshedsocklen_t</b> <i>addrlen</i><b>);</b></p>
55*91df013fSAsim Jamshed
56*91df013fSAsim Jamshed<h2>DESCRIPTION
57*91df013fSAsim Jamshed<a name="DESCRIPTION"></a>
58*91df013fSAsim Jamshed</h2>
59*91df013fSAsim Jamshed
60*91df013fSAsim Jamshed
61*91df013fSAsim Jamshed
62*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em"><b>mtcp_bind</b>()
63*91df013fSAsim Jamshedcan be used to bind an IPv4 address (assigning a name) to an
64*91df013fSAsim JamshedmTCP socket. This socket is referred to by the <i>sockid</i>
65*91df013fSAsim Jamshedargument. The <i>addr</i> structure contains the address and
66*91df013fSAsim Jamshedthe port number (both in network byte order) to be bound
67*91df013fSAsim Jamshedwhile the <i>addrlen</i> specifies the size of the address
68*91df013fSAsim Jamshedstructure pointing to <i>addr.</i> The actual structure
69*91df013fSAsim Jamshedpassed for the <i>addr</i> argument is defined as:</p>
70*91df013fSAsim Jamshed
71*91df013fSAsim Jamshed<p style="margin-left:17%; margin-top: 1em">struct sockaddr
72*91df013fSAsim Jamshed{ <br>
73*91df013fSAsim Jamshedsa_family_t sa_family; /* AF_INET */ <br>
74*91df013fSAsim Jamshedchar sa_data[14]; /* IPv4 address + TCP port */ <br>
75*91df013fSAsim Jamshed}</p>
76*91df013fSAsim Jamshed
77*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">It is necessary
78*91df013fSAsim Jamshedto assign a local address using <b>mtcp_bind()</b> on a
79*91df013fSAsim Jamshedpassive socket before it can be used to receive connections
80*91df013fSAsim Jamshedusing <b>mtcp_accept().</b></p>
81*91df013fSAsim Jamshed
82*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">The
83*91df013fSAsim Jamshed<b>mtcp_bind</b>() call takes an additional argument named
84*91df013fSAsim Jamshed<i>mctx</i> that represents the per-core mTCP context in an
85*91df013fSAsim Jamshedapplication (see <b>mtcp_create_context()</b> for
86*91df013fSAsim Jamsheddetails).</p>
87*91df013fSAsim Jamshed
88*91df013fSAsim Jamshed<h2>RETURN VALUE
89*91df013fSAsim Jamshed<a name="RETURN VALUE"></a>
90*91df013fSAsim Jamshed</h2>
91*91df013fSAsim Jamshed
92*91df013fSAsim Jamshed
93*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">Returns 0 on
94*91df013fSAsim Jamshedsuccess; -1 on failure. In case of failure, <i>errno</i> is
95*91df013fSAsim Jamshedset appropriately.</p>
96*91df013fSAsim Jamshed
97*91df013fSAsim Jamshed<h2>ERRORS
98*91df013fSAsim Jamshed<a name="ERRORS"></a>
99*91df013fSAsim Jamshed</h2>
100*91df013fSAsim Jamshed
101*91df013fSAsim Jamshed
102*91df013fSAsim Jamshed<table width="100%" border="0" rules="none" frame="void"
103*91df013fSAsim Jamshed       cellspacing="0" cellpadding="0">
104*91df013fSAsim Jamshed<tr valign="top" align="left">
105*91df013fSAsim Jamshed<td width="11%"></td>
106*91df013fSAsim Jamshed<td width="12%">
107*91df013fSAsim Jamshed
108*91df013fSAsim Jamshed
109*91df013fSAsim Jamshed<p style="margin-top: 1em"><b>EBADF</b></p></td>
110*91df013fSAsim Jamshed<td width="3%"></td>
111*91df013fSAsim Jamshed<td width="74%">
112*91df013fSAsim Jamshed
113*91df013fSAsim Jamshed
114*91df013fSAsim Jamshed<p style="margin-top: 1em"><i>sockid</i> is not a valid
115*91df013fSAsim Jamshedsocket descriptor for binding to an address.</p></td></tr>
116*91df013fSAsim Jamshed<tr valign="top" align="left">
117*91df013fSAsim Jamshed<td width="11%"></td>
118*91df013fSAsim Jamshed<td width="12%">
119*91df013fSAsim Jamshed
120*91df013fSAsim Jamshed
121*91df013fSAsim Jamshed<p><b>EINVAL</b></p></td>
122*91df013fSAsim Jamshed<td width="3%"></td>
123*91df013fSAsim Jamshed<td width="74%">
124*91df013fSAsim Jamshed
125*91df013fSAsim Jamshed
126*91df013fSAsim Jamshed<p>The <i>addr</i> argument is NULL. This may also mean
127*91df013fSAsim Jamshedthat an address is already bound to the current
128*91df013fSAsim Jamshed<i>sockid</i> descriptor.</p></td></tr>
129*91df013fSAsim Jamshed<tr valign="top" align="left">
130*91df013fSAsim Jamshed<td width="11%"></td>
131*91df013fSAsim Jamshed<td width="12%">
132*91df013fSAsim Jamshed
133*91df013fSAsim Jamshed
134*91df013fSAsim Jamshed<p><b>ENOTSOCK</b></p></td>
135*91df013fSAsim Jamshed<td width="3%"></td>
136*91df013fSAsim Jamshed<td width="74%">
137*91df013fSAsim Jamshed
138*91df013fSAsim Jamshed
139*91df013fSAsim Jamshed<p>The socket referred to by <i>sockid</i> has an invalid
140*91df013fSAsim Jamshedtype.</p> </td></tr>
141*91df013fSAsim Jamshed</table>
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_socket</b>(),
158*91df013fSAsim Jamshed<b>mtcp_listen</b>(), <b>mtcp_accept</b>(),
159*91df013fSAsim Jamshed<b>mtcp_connect</b>(), <b>mtcp_read</b>(),
160*91df013fSAsim Jamshed<b>mtcp_write</b>()</p>
161*91df013fSAsim Jamshed
162*91df013fSAsim Jamshed<h2>COLOPHON
163*91df013fSAsim Jamshed<a name="COLOPHON"></a>
164*91df013fSAsim Jamshed</h2>
165*91df013fSAsim Jamshed
166*91df013fSAsim Jamshed
167*91df013fSAsim Jamshed<p style="margin-left:11%; margin-top: 1em">This page is
168*91df013fSAsim Jamshedpart of mOS release 0.3 <i>docs</i> section. A description
169*91df013fSAsim Jamshedof the project, and information about reporting bugs, can be
170*91df013fSAsim Jamshedfound at http://mos.kaist.edu/.</p>
171*91df013fSAsim Jamshed<hr>
172*91df013fSAsim Jamshed</body>
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