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/* Test program for opening already deleted running binaries.
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Copyright (C) 2014 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <assert.h>
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#include <stdio.h>
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#include <errno.h>
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#ifdef __linux__
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#include <sys/prctl.h>
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#endif
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extern void libfunc (void);
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int
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main (int argc __attribute__ ((unused)), char **argv __attribute__ ((unused)))
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{
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/* Set locale. */
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(void) setlocale (LC_ALL, "");
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pid_t pid = fork ();
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assert (pid != -1);
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if (pid == 0)
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{
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int err = close (0);
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assert (!err);
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err = close (1);
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assert (!err);
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err = close (2);
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assert (!err);
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/* Make sure eu-stack -p works on this process even with
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"restricted ptrace". */
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#ifdef PR_SET_PTRACER_ANY
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prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0);
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#endif
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libfunc ();
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abort ();
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}
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printf ("%d\n", pid);
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return EXIT_SUCCESS;
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}
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