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annotate lib/spawnattr_getsigmask.c @ 12246:b156d2d1b827

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freopen-safer: new module * modules/freopen-safer: New module. * m4/stdio-safer.m4 (gl_FREOPEN_SAFER): New macro. * lib/freopen-safer.c (freopen_safer): New file. * lib/stdio-safer.h (freopen_safer): New declaration. * lib/stdio--.h (freopen): New override. * MODULES.html.sh (File stream based Input/Output): Mention it. * doc/posix-functions/freopen.texi (freopen): Mention pitfalls and freopen-safer module. * doc/posix-functions/stderr.texi (stderr): Likewise. * doc/posix-functions/stdin.texi (stdin): Likewise. * doc/posix-functions/stdout.texi (stdout): Likewise. * modules/freopen-safer-tests: New test. * tests/test-reopen-safer.c: New file. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Thu, 05 Nov 2009 15:13:00 -0700
parents ef9027b99a37
children e8d2c6fc33ad
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ef9027b99a37 New module 'posix_spawnattr_getsigmask'.
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1 /* Copyright (C) 2000 Free Software Foundation, Inc.
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2 This file is part of the GNU C Library.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 #include <config.h>
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18
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19 /* Specification. */
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20 #include <spawn.h>
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21
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22 #include <string.h>
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23
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24 /* Store signal mask for the new process from ATTR in SIGMASK. */
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25 int
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26 posix_spawnattr_getsigmask (const posix_spawnattr_t *attr,
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27 sigset_t *sigmask)
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28 {
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29 /* Copy the sigset_t data to the user buffer. */
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30 memcpy (sigmask, &attr->_ss, sizeof (sigset_t));
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31
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32 return 0;
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33 }