[glibc.git] / htl / pt-testcancel.c

/* Add an explicit cancelation point.
   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>

void
pthread_testcancel (void)
{
  struct __pthread *p = _pthread_self ();
  int cancelled;

  __pthread_mutex_lock (&p->cancel_lock);
  cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending;
  __pthread_mutex_unlock (&p->cancel_lock);

  if (cancelled)
    pthread_exit (PTHREAD_CANCELED);
}
Commit	Line	Data
33574c17 ST	1	/* Add an explicit cancelation point.
	2	Copyright (C) 2002-2018 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 Library General Public License as
	7	published by the Free Software Foundation; either version 2 of the
	8	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	Library General Public License for more details.
	14
	15	You should have received a copy of the GNU Library General Public
	16	License along with the GNU C Library; see the file COPYING.LIB. If
	17	not, see <http://www.gnu.org/licenses/>. */
	18
	19	#include <pthread.h>
	20
	21	#include <pt-internal.h>
	22
	23	void
	24	pthread_testcancel (void)
	25	{
	26	struct __pthread *p = _pthread_self ();
	27	int cancelled;
	28
	29	__pthread_mutex_lock (&p->cancel_lock);
	30	cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending;
	31	__pthread_mutex_unlock (&p->cancel_lock);
	32
	33	if (cancelled)
	34	pthread_exit (PTHREAD_CANCELED);
	35	}