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/* Set the cancel type during blocking calls.
Copyright (C) 2020-2021 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <pthreadP.h>
#include <pt-internal.h>
int __pthread_enable_asynccancel (void)
{
struct __pthread *p = _pthread_self ();
int oldtype;
__pthread_mutex_lock (&p->cancel_lock);
oldtype = p->cancel_type;
p->cancel_type = PTHREAD_CANCEL_ASYNCHRONOUS;
__pthread_mutex_unlock (&p->cancel_lock);
__pthread_testcancel ();
return oldtype;
}
void __pthread_disable_asynccancel (int oldtype)
{
struct __pthread *p = _pthread_self ();
__pthread_mutex_lock (&p->cancel_lock);
p->cancel_type = oldtype;
__pthread_mutex_unlock (&p->cancel_lock);
}
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