mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
|
/* 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;
|
||
|
|
}
|