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1/* Check for failure paths handling for cancellation points.
2 Copyright (C) 2015-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24#include <unistd.h>
25
26/* Check that the cancel syscall points handles both the errno and return code
27 correctly for invalid arguments. */
28static void *
29tf (void *arg)
30{
31#ifdef SET_CANCEL_DISABLE
32 pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL);
33#endif
34
35 /* This is a cancellation point, but we should not be cancelled. */
36 int r = write (-1, 0, 0);
37
38 if (r != -1 || errno != EBADF)
39 {
40 printf ("error: write returned %d, errno %d\n", r, errno);
41 exit (1);
42 }
43
44 return NULL;
45}
46
47static int
48do_test (void)
49{
50 pthread_t th;
51
52 if (pthread_create (&th, NULL, tf, NULL) != 0)
53 {
54 puts ("error: pthread_create failed");
55 exit (1);
56 }
57
58 if (pthread_join (th, NULL) != 0)
59 {
60 puts ("error: pthread_join failed");
61 exit (1);
62 }
63
64 return 0;
65}
66
67#define TEST_FUNCTION do_test ()
68#include "../test-skeleton.c"
69

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