glibc/htl/pt-setcanceltype.c

47 lines
1.3 KiB
C

/* Set the cancel type for the calling thread.
Copyright (C) 2002-2024 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 <pt-internal.h>
int
__pthread_setcanceltype (int type, int *oldtype)
{
struct __pthread *p = _pthread_self ();
switch (type)
{
default:
return EINVAL;
case PTHREAD_CANCEL_DEFERRED:
case PTHREAD_CANCEL_ASYNCHRONOUS:
break;
}
__pthread_mutex_lock (&p->cancel_lock);
if (oldtype != NULL)
*oldtype = p->cancel_type;
p->cancel_type = type;
__pthread_mutex_unlock (&p->cancel_lock);
return 0;
}
weak_alias (__pthread_setcanceltype, pthread_setcanceltype);