.\" Copyright (C) 2002 Andries Brouwer <aeb@cwi.nl>

.\"

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.\" This replaces an earlier man page written by Walter Harms

.\" <walter.harms@informatik.uni-oldenburg.de>.

.\"

.TH GETUMASK 3 2017-09-15 "GNU" "Linux Programmer's Manual"

.SH NAME

getumask \- get file creation mask

.SH SYNOPSIS

.BR "#define _GNU_SOURCE" "             /* See feature_test_macros(7) */"

.br

.B "#include <sys/types.h>"

.br

.B "#include <sys/stat.h>"

.PP

.B "mode_t getumask(void);"

.SH DESCRIPTION

This function returns the current file creation mask.

It is equivalent to

.PP

.in +4n

.EX

mode_t getumask(void)

{

    mode_t mask = umask( 0 );

    umask(mask);

    return mask;

}

.EE

.in

.PP

except that it is documented to be thread-safe (that is, shares

a lock with the

.BR umask (2)

library call).

.SH CONFORMING TO

This is a vaporware GNU extension.

.SH NOTES

This function is documented in the glibc manual, but,

as at glibc version 2.24, it is not implemented on Linux.

(See

.BR umask (2)

for a thread-safe method of discovering a process's umask.)

.SH SEE ALSO

.BR umask (2)

.SH COLOPHON

This page is part of release 4.15 of the Linux

.I man-pages

project.

A description of the project,

information about reporting bugs,

and the latest version of this page,

can be found at

\%https://www.kernel.org/doc/man\-pages/.