syscalls_42.html

Linux系统调用

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<TITLE>Syscall specifications of Linux - bind</TITLE>
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<H2><A NAME="SEC42" HREF="syscalls_toc.html#SEC42" tppabs="http://personal.xfol.com/%7erezaie/syscall/syscalls_toc.html#SEC42">bind</A></H2>
<P>
<H3>SYNOPSIS</H3>
<P>
<CODE>int bind(int <VAR>sockfd</VAR>, struct sockaddr *<VAR>my_addr</VAR>, int
<VAR>addrlen</VAR>);</CODE>
<P>
<H3>PARAMETERS</H3>
<P>
<VAR>sockfd</VAR>: [in] the socket to bind.
<P>
<VAR>my_addr</VAR>: [in] the address to bind the socket to.
<P>
<VAR>addrlen</VAR>: [in] the length of addr (in bytes).
<P>
<H3>DESCRIPTION</H3>
<P>
Binds the socket <VAR>sockfd</VAR> to the local address <VAR>my_addr</VAR>. The
format of the address is network dependent.
<P>
<H3>RETURN VALUE</H3>
<P>
On success zero is returned. On error, -1 is returned and <CODE>errno</CODE> is
set to one of the following values:
<P>
<UL>
<LI><CODE>EINVAL</CODE>: the socket is already bound to an address, or
<VAR>addrlen</VAR> is invalid or the socket is not in the <CODE>AF_UNIX</CODE>
family.
<LI><CODE>EACCESS</CODE>: the address is reserved for super-user usage and
the calling task has not super-user privileges or the taks does not have
enough access rights on the path.
<LI><CODE>ENAMETOOLONG</CODE>: <VAR>my_addr</VAR> is too long.
<LI><CODE>EBADF</CODE>, <CODE>EROFS</CODE>, <CODE>EFAULT</CODE>, <CODE>ENOENT</CODE>, <CODE>ENOMEM</CODE>,
<CODE>ENOTDIR</CODE> or <CODE>ELOOP</CODE>.
</UL>
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