31 lines
1.5 KiB
HTML
31 lines
1.5 KiB
HTML
<html><!-- This HTML file has been created by texi2html 1.29
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from syscalls.texi on 4 June 1994 -->
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<TITLE>Syscall specifications of Linux - setgid</TITLE>
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<P>Go to the <A HREF="syscalls_65.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_65.html">previous</A>, <A HREF="syscalls_67.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_67.html">next</A> section.<P>
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<H2><A NAME="SEC66" HREF="syscalls_toc.html#SEC66" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_toc.html#SEC66">setgid</A></H2>
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<P>
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<H3>SYNOPSIS</H3>
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<P>
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<CODE>int setgid(gid_t <VAR>gid</VAR>);</CODE>
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<P>
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<H3>PARAMETERS</H3>
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<P>
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<VAR>gid</VAR>: [in] the new gid.
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<P>
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<H3>DESCRIPTION</H3>
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<P>
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If the calling task does not have superuser privileges, it may use
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<CODE>setgid</CODE> to sets its effective gid to its saved gid or its real gid
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(other values are illegal). If the calling task has superuser
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privileges, the real, effective and saved gids are set to <VAR>gid</VAR>.
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<P>
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<H3>RETURN VALUE</H3>
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<P>
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On success, returns 0. On error, returns -1 and <CODE>errno</CODE> is set
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to one of the following values: <CODE>EPERM</CODE>: the <VAR>gid</VAR> is not the
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real gid or the saved gid of the task and the task does not have
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superuser privileges.
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<P>
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<P>Go to the <A HREF="syscalls_65.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_65.html">previous</A>, <A HREF="syscalls_67.html" tppabs="http://www.infran.ru/TechInfo/syscalls/syscalls_67.html">next</A> section.<P>
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