htl/pt-setcancelstate.c


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

/* Set the cancel state for the calling thread.
   Copyright (C) 2002-2018 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

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

#include <pthread.h>

#include <pt-internal.h>

int
__pthread_setcancelstate (int state, int *oldstate)
{
  struct __pthread *p = _pthread_self ();

  switch (state)
    {
    default:
      return EINVAL;
    case PTHREAD_CANCEL_ENABLE:
    case PTHREAD_CANCEL_DISABLE:
      break;
    }

  __pthread_mutex_lock (&p->cancel_lock);
  if (oldstate != NULL)
    *oldstate = p->cancel_state;
  p->cancel_state = state;
  __pthread_mutex_unlock (&p->cancel_lock);

  return 0;
}

strong_alias (__pthread_setcancelstate, pthread_setcancelstate);