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1 | .\" Copyright (C) 2002 Andries Brouwer <aeb@cwi.nl> |
2 | .\" | |
93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
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4 | .\" Permission is granted to make and distribute verbatim copies of this |
5 | .\" manual provided the copyright notice and this permission notice are | |
6 | .\" preserved on all copies. | |
7 | .\" | |
8 | .\" Permission is granted to copy and distribute modified versions of this | |
9 | .\" manual under the conditions for verbatim copying, provided that the | |
10 | .\" entire resulting derived work is distributed under the terms of a | |
11 | .\" permission notice identical to this one. | |
c13182ef | 12 | .\" |
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13 | .\" Since the Linux kernel and libraries are constantly changing, this |
14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
15 | .\" responsibility for errors or omissions, or for damages resulting from | |
16 | .\" the use of the information contained herein. The author(s) may not | |
17 | .\" have taken the same level of care in the production of this manual, | |
18 | .\" which is licensed free of charge, as they might when working | |
19 | .\" professionally. | |
c13182ef | 20 | .\" |
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21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
22 | .\" the source, must acknowledge the copyright and authors of this work. | |
4b72fb64 | 23 | .\" %%%LICENSE_END |
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24 | .\" |
25 | .\" This replaces an earlier man page written by Walter Harms | |
26 | .\" <walter.harms@informatik.uni-oldenburg.de>. | |
27 | .\" | |
4b8c67d9 | 28 | .TH GETUMASK 3 2017-09-15 "GNU" "Linux Programmer's Manual" |
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29 | .SH NAME |
30 | getumask \- get file creation mask | |
31 | .SH SYNOPSIS | |
86b91fdf | 32 | .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" |
cc4615cc | 33 | .br |
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34 | .B "#include <sys/types.h>" |
35 | .br | |
36 | .B "#include <sys/stat.h>" | |
68e4db0a | 37 | .PP |
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38 | .B "mode_t getumask(void);" |
39 | .SH DESCRIPTION | |
40 | This function returns the current file creation mask. | |
41 | It is equivalent to | |
e646a1ba | 42 | .PP |
a08ea57c | 43 | .in +4n |
e646a1ba | 44 | .EX |
c13182ef | 45 | mode_t getumask(void) |
b9f02710 | 46 | { |
4a632544 | 47 | mode_t mask = umask( 0 ); |
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48 | umask(mask); |
49 | return mask; | |
fea681da | 50 | } |
e646a1ba | 51 | .EE |
a08ea57c | 52 | .in |
e646a1ba | 53 | .PP |
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54 | except that it is documented to be thread-safe (that is, shares |
55 | a lock with the | |
fb186734 | 56 | .BR umask (2) |
fea681da | 57 | library call). |
47297adb | 58 | .SH CONFORMING TO |
d9bfdb9c | 59 | This is a vaporware GNU extension. |
2b2581ee | 60 | .SH NOTES |
48523e34 MK |
61 | This function is documented in the glibc manual, but, |
62 | as at glibc version 2.24, it is not implemented on Linux. | |
fb229116 MK |
63 | (See |
64 | .BR umask (2) | |
65 | for a thread-safe method of discovering a process's umask.) | |
47297adb | 66 | .SH SEE ALSO |
fea681da | 67 | .BR umask (2) |