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/* Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <string.h>
#include "pthreadP.h"
#include <lowlevellock.h>
int
pthread_getattr_np (thread_id, attr)
pthread_t thread_id;
pthread_attr_t *attr;
{
struct pthread *thread = (struct pthread *) thread_id;
struct pthread_attr *iattr = (struct pthread_attr *) attr;
/* We have to handle cancellation in the following code since we are
locking another threads desriptor. */
pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &thread->lock);
lll_lock (thread->lock);
/* The thread library is responsible for keeping the values in the
thread desriptor up-to-date in case the user changes them. */
memcpy (&iattr->schedparam, &thread->schedparam,
sizeof (struct sched_param));
iattr->schedpolicy = thread->schedpolicy;
/* Clear the flags work. */
iattr->flags = thread->flags;
/* The thread might be detached by now. */
if (IS_DETACHED (thread))
iattr->flags |= ATTR_FLAG_DETACHSTATE;
/* This is the guardsize after adjusting it. */
iattr->guardsize = thread->guardsize;
/* The sizes are subject to alignment. */
iattr->stacksize = thread->stackblock_size;
iattr->stackaddr = (char *) thread->stackblock + iattr->stacksize;
iattr->flags |= ATTR_FLAG_STACKADDR;
lll_unlock (thread->lock);
pthread_cleanup_pop (0);
return 0;
}
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