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36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
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/* Add an explicit cancelation point.
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Copyright (C) 2002-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <http://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <pt-internal.h>
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void
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pthread_testcancel (void)
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{
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struct __pthread *p = _pthread_self ();
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int cancelled;
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__pthread_mutex_lock (&p->cancel_lock);
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cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending;
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__pthread_mutex_unlock (&p->cancel_lock);
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if (cancelled)
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pthread_exit (PTHREAD_CANCELED);
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}
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