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.\" -*- nroff -*-
.\"
.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified by Michael Haardt <michael@moria.de>
.\" Modified Sat Jul 24 12:51:53 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Tue Oct 22 22:39:04 1996 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified Thu May 1 06:05:54 UTC 1997 by Nicols Lichtmaier
.\" <nick@debian.com> with Lars Wirzenius <liw@iki.fi> suggestion
.TH UMASK 2 "9/08/1998" "Linux" "Manual do Programador Linux"
.SH NOME
umask \- seleciona a mascara de criao dos arquivos
.SH SINOPSE
.B #include <sys/types.h>
.br
.B #include <sys/stat.h>
.sp
.BI "mode_t umask(mode_t " mask );
.SH DESCRIO
.B umask
seleciona a umask para
.I mask
& 0777.
A umask usada por
.BR open (2)
para selecionar a permisso inicial do arquivo quando um arquivo recentemente
criados.
Especificamente, permisses na umask so desligadas a partir
Do argumento \fBmode\fR para
.BR open (2)
(como, por exemplo, o valor padro comum para umask de valor 022 resulta em novo arquivo criado com permisses 0666 & ~022 = 0644 = rw-r--r-
no caso usual \fBmodo\fR especificado 0666).
.SH "VALORES RETORNADOS"
Esta chamamda de sistema sempre tem sucesso e os valores anteriores da mascar retornado.
.SH "DE ACORDO COM"
SVr4, SVID, POSIX, X/OPEN, BSD 4.3
.SH "VEJA TAMBM"
.BR creat (2),
.BR open (2)
.SH TRADUZIDO POR LDP-BR em 21/08/2000.
\&\fR\&\f(CWAndr L. Fassone Canova <lonelywolf@blv.com.br> (traduo)\fR
\&\fR\&\f(CWxxxxxxxxxxxxxxxxxxxxxxxxx <xxx@xxxxxx.xxx.xx> (reviso)\fR
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