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33574c17 1/* Add an explicit cancelation point.
dff8da6b 2 Copyright (C) 2002-2024 Free Software Foundation, Inc.
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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
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6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
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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
ad2b41bf 13 Lesser General Public License for more details.
33574c17 14
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15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
5a82c748 17 <https://www.gnu.org/licenses/>. */
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18
19#include <pthread.h>
20
21#include <pt-internal.h>
f6fb29d2 22#include <pthreadP.h>
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23
24void
59b7fe99 25__pthread_testcancel (void)
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26{
27 struct __pthread *p = _pthread_self ();
28 int cancelled;
29
30 __pthread_mutex_lock (&p->cancel_lock);
31 cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending;
32 __pthread_mutex_unlock (&p->cancel_lock);
33
34 if (cancelled)
f6fb29d2 35 __pthread_exit (PTHREAD_CANCELED);
33574c17 36}
59b7fe99 37strong_alias (__pthread_testcancel, pthread_testcancel)