104 lines
2.5 KiB
HTML
104 lines
2.5 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of GETUMASK</TITLE>
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</HEAD><BODY>
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<H1>GETUMASK</H1>
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Section: Linux Programmer's Manual (3)<BR>Updated: 2017-09-15<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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getumask - get file creation mask
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>#define _GNU_SOURCE</B> /* See <A HREF="/cgi-bin/man/man2html?7+feature_test_macros">feature_test_macros</A>(7) */
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<BR>
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<B>#include <<A HREF="file:///usr/include/sys/types.h">sys/types.h</A>></B>
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<BR>
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<B>#include <<A HREF="file:///usr/include/sys/stat.h">sys/stat.h</A>></B>
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<P>
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<B>mode_t getumask(void);</B>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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This function returns the current file creation mask.
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It is equivalent to
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<P>
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mode_t getumask(void)
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{
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<BR> mode_t mask = umask( 0 );
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<BR> umask(mask);
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<BR> return mask;
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}
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<P>
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except that it is documented to be thread-safe (that is, shares
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a lock with the
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<B><A HREF="/cgi-bin/man/man2html?2+umask">umask</A></B>(2)
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library call).
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<A NAME="lbAE"> </A>
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<H2>CONFORMING TO</H2>
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This is a vaporware GNU extension.
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<A NAME="lbAF"> </A>
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<H2>NOTES</H2>
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This function is documented in the glibc manual, but,
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as at glibc version 2.24, it is not implemented on Linux.
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(See
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<B><A HREF="/cgi-bin/man/man2html?2+umask">umask</A></B>(2)
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for a thread-safe method of discovering a process's umask.)
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<A NAME="lbAG"> </A>
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<H2>SEE ALSO</H2>
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<B><A HREF="/cgi-bin/man/man2html?2+umask">umask</A></B>(2)
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<A NAME="lbAH"> </A>
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<H2>COLOPHON</H2>
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This page is part of release 5.05 of the Linux
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<I>man-pages</I>
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project.
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A description of the project,
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information about reporting bugs,
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and the latest version of this page,
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can be found at
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<A HREF="https://www.kernel.org/doc/man-pages/.">https://www.kernel.org/doc/man-pages/.</A>
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="1"><A HREF="#lbAB">NAME</A><DD>
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<DT id="2"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="3"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="4"><A HREF="#lbAE">CONFORMING TO</A><DD>
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<DT id="5"><A HREF="#lbAF">NOTES</A><DD>
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<DT id="6"><A HREF="#lbAG">SEE ALSO</A><DD>
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<DT id="7"><A HREF="#lbAH">COLOPHON</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:44 GMT, March 31, 2021
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</BODY>
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</HTML>
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