Blame nptl/tst-cancel26.c

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/* Check for failure paths handling for cancellation points.
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   Copyright (C) 2015-2018 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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   <http://www.gnu.org/licenses/>.  */
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#include <errno.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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/* Check that the cancel syscall points handles both the errno and return code
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   correctly for invalid arguments.  */
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static void *
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tf (void *arg)
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{
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#ifdef SET_CANCEL_DISABLE
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  pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL);
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#endif
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  /* This is a cancellation point, but we should not be cancelled.  */
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  int r = write (-1, 0, 0);
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  if (r != -1 || errno != EBADF)
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    {
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      printf ("error: write returned %d, errno %d\n", r, errno);
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      exit (1);
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    }
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  return NULL;
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}
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static 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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      puts ("error: pthread_create failed");
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      exit (1);
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    }
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  if (pthread_join (th, NULL) != 0)
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    {
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      puts ("error: pthread_join failed");
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      exit (1);
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    }
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  return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"