about summary refs log tree commit diff
path: root/nptl/tst-cancel26.c
blob: 52b10d216e0cfe77088c10e4f6539acab3031fd3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/* Check for failure paths handling for cancellation points.
   Copyright (C) 2015-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

/* Check that the cancel syscall points handles both the errno and return code
   correctly for invalid arguments.  */
static void *
tf (void *arg)
{
#ifdef SET_CANCEL_DISABLE
  pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL);
#endif

  /* This is a cancellation point, but we should not be cancelled.  */
  int r = write (-1, 0, 0);

  if (r != -1 || errno != EBADF)
    {
      printf ("error: write returned %d, errno %d\n", r, errno);
      exit (1);
    }

  return NULL;
}

static int
do_test (void)
{
  pthread_t th;

  if (pthread_create (&th, NULL, tf, NULL) != 0)
    {
      puts ("error: pthread_create failed");
      exit (1);
    }

  if (pthread_join (th, NULL) != 0)
    {
      puts ("error: pthread_join failed");
      exit (1);
    }

  return 0;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"