File: pt-setcancelstate.c

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glibc 2.24-11%2Bdeb9u4
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/* Set the cancel state for the calling thread.
   Copyright (C) 2002 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,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#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)
    *oldstate = p->cancel_state;
  p->cancel_state = state;
  __pthread_mutex_unlock (&p->cancel_lock);

  return 0;
}

strong_alias (__pthread_setcancelstate, pthread_setcancelstate);