glibc/sysdeps/htl/pt-attr-setstack.c

51 lines
1.5 KiB
C

/* pthread_attr_setstack. Generic version.
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 <assert.h>
#include <pt-internal.h>
#include <pthreadP.h>
int
__pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, size_t stacksize)
{
int err;
size_t s;
/* pthread_attr_setstack should always succeed, thus we set the size
first as it is more discriminating. */
__pthread_attr_getstacksize (attr, &s);
err = __pthread_attr_setstacksize (attr, stacksize);
if (err)
return err;
err = __pthread_attr_setstackaddr (attr, stackaddr);
if (err)
{
int e = __pthread_attr_setstacksize (attr, s);
assert_perror (e);
return err;
}
return 0;
}
weak_alias (__pthread_attr_setstack, pthread_attr_setstack)