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82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/* Copyright (C) 2002-2023 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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#include <pthread.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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static int do_test (void);
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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static void *tf (void *a)
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{
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puts ("start tf");
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/* Multiple locking, implicitly or explicitly, must be possible. */
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flockfile (stdout);
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puts ("after first flockfile");
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flockfile (stdout);
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puts ("foo");
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funlockfile (stdout);
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puts ("after first funlockfile");
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funlockfile (stdout);
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puts ("all done");
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return a;
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}
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int
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do_test (void)
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{
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pthread_t th;
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if (pthread_create (&th, NULL, tf, NULL) != 0)
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{
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write_message ("create failed\n");
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_exit (1);
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}
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void *result;
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if (pthread_join (th, &result) != 0)
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{
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puts ("join failed");
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exit (1);
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}
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else if (result != NULL)
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{
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printf ("wrong return value: %p, expected %p\n", result, NULL);
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exit (1);
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}
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puts ("join returned succsefully");
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return 0;
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}
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