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92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/* Test signals.
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Copyright (C) 2000-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define _GNU_SOURCE
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#include <pthread.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <errno.h>
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#include <error.h>
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#include <assert.h>
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#include <sys/resource.h>
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#include <sys/wait.h>
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void *
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thr (void *arg)
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{
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*(int *) 0 = 0;
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return 0;
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}
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int foobar;
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int
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main (int argc, char *argv[])
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{
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error_t err;
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pid_t child;
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struct rlimit limit;
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limit.rlim_cur = 0;
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limit.rlim_max = 0;
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err = setrlimit (RLIMIT_CORE, &limit);
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if (err)
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error (1, err, "setrlimit");
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child = fork ();
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switch (child)
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{
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case -1:
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error (1, errno, "fork");
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break;
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case 0:
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{
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pthread_t tid;
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void *ret;
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err = pthread_create (&tid, 0, thr, 0);
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if (err)
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error (1, err, "pthread_create");
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err = pthread_join (tid, &ret);
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assert_perror (err);
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/* Should have never returned. Our parent expects us to fail
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thus we succeed and indicate the error. */
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return 0;
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}
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default:
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{
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pid_t pid;
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int status;
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pid = waitpid (child, &status, 0);
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printf ("pid = %d; child = %d; status = %d\n", pid, child, status);
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assert (pid == child);
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assert (status != 0);
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}
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}
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return 0;
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}
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